CN109342863B

CN109342863B - Testing device

Info

Publication number: CN109342863B
Application number: CN201811256443.1A
Authority: CN
Inventors: 彭轩; 段文军; 潘德灼; 张琪; 史延广
Original assignee: TCL King Electrical Appliances Huizhou Co Ltd
Current assignee: TCL King Electrical Appliances Huizhou Co Ltd
Priority date: 2018-10-25
Filing date: 2018-10-25
Publication date: 2022-03-11
Anticipated expiration: 2038-10-25
Also published as: CN109342863A

Abstract

The invention discloses a testing device, which is used for detecting a display device and comprises a supporting frame; the conveying mechanism is erected on the supporting frame and can convey the display device; the sliding rail is arranged on the supporting frame and is provided with a sliding chute; the connector is embedded in the sliding groove in a matched mode and is connected with the display device and an external power supply, and the display device can drag the connector to move along the length direction of the sliding groove in the moving process; and the return mechanism is fixed on the support frame, abuts against the connector and can drive the connector to move along the direction opposite to the movement direction of the display device. The testing device in the technical scheme of the invention can reduce the labor intensity of operators and improve the production efficiency.

Description

Testing device

Technical Field

The invention relates to the technical field of product production equipment, in particular to a testing device.

Background

In the manufacturing process of the display device (such as the production of a flat panel television), a television product is usually required to be subjected to an energization test, generally speaking, the television is moved from one station to another station on a production line, therefore, an operator needs to repeatedly move a connector for connecting the television and a power supply back and forth when testing the television product, and the operator needs to complete the cyclic operation actions of connecting, disconnecting, moving, connecting and disconnecting the television and the connector between different stations of the production line, so that the labor intensity of the operator is increased, and the production efficiency is seriously influenced.

Disclosure of Invention

The invention mainly aims to provide a testing device, aiming at reducing the labor intensity of operators and improving the production efficiency.

In order to achieve the above object, the present invention provides a testing apparatus for testing a display device, comprising:

a support frame;

the conveying mechanism is erected on the supporting frame and can convey the display device;

the sliding rail is arranged on the supporting frame and is provided with a sliding chute;

the connector is embedded in the sliding groove in a matched mode and is connected with the display device and an external power supply, and the display device can drag the connector to move along the length direction of the sliding groove in the moving process; and

and the return mechanism is fixed on the support frame, abuts against the connector and can drive the connector to move along the direction opposite to the movement direction of the display device.

Optionally, the return mechanism includes a driving module and a pushing member connected to the driving module, the driving module is fixed to the support frame, and the pushing member abuts against the connector and pushes the connector to move under the driving of the driving module.

Optionally, the driving module comprises:

the fixing seat is fixed on the supporting frame;

the return motor is fixed on the fixed seat; and

the belt pulley assembly is connected with an output shaft of the return motor, the pushing piece is connected with the belt pulley assembly, and the return motor drives the belt pulley assembly to move and drives the pushing piece to move.

Optionally, the belt pulley assembly includes a driving wheel, a driven wheel and a belt cooperating with the driving wheel and the driven wheel, and the pushing member is connected to the belt;

the two fixing seats are respectively and correspondingly positioned at two ends of the sliding rail in the length direction, the driving wheel is fixed on one fixing seat through a roller support and is connected with the output shaft of the return motor, the driven wheel is fixed on the other fixing seat through another roller support, and the belt and the sliding rail are arranged in parallel.

Optionally, the conveying mechanism includes a support, a roller disposed on the support, and a driving motor for driving the roller to rotate, and the support is connected to the support frame.

Optionally, the conveying mechanism includes a first conveying mechanism and a second conveying mechanism, and the first conveying mechanism is arranged in a horizontal direction;

the testing device further comprises a fixing frame, the fixing frame is connected to the supporting frame and arranged at a certain included angle with the plane where the first conveying mechanism is located, and the second conveying mechanism is detachably connected to the fixing frame.

Optionally, the fixing frame is provided with a plurality of fixing holes, the fixing holes are uniformly arranged in the length direction of the fixing frame at intervals, the second conveying mechanism is provided with a fixing hook, and the fixing hook is selectively clamped into the fixing holes and enables the second conveying mechanism to be fixed on the fixing frame.

Optionally, the two sliding rails are arranged in parallel in the up-down direction of the supporting frame.

Optionally, a wear plate is fixed to a surface of the connector facing the chute.

Optionally, the end parts of the slide rail at the two ends in the length direction are both provided with a limiting block.

According to the technical scheme, the display device is connected with an external power supply through the connector to conduct power-on test, the display device is placed on the conveying mechanism and driven to move by the conveying mechanism, the connector is embedded into the sliding groove of the sliding rail, when the display device moves, the connector connected with the display device can be driven to move along the sliding groove at the same time, the connector and the display device are enabled to keep synchronous movement, therefore, the display device can keep a power-on state in the process of being converted to different stations, testing of the next station is facilitated, time for power-on leading-in is saved, and production efficiency is improved.

Furthermore, a return mechanism is fixed on the support frame of the display device and is abutted to the connector, after the display device is tested, the return mechanism drives the connector to return to the initial position to test another display device, and the traditional operation mode of manually moving the connector is avoided by arranging the return mechanism, so that the labor intensity of operators is reduced, and the production efficiency is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a testing apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of a part of the structure of the testing device of the present invention;

FIG. 4 is another perspective view of FIG. 3;

FIG. 5 is a partial enlarged view of the portion B in FIG. 4;

fig. 6 is a partially enlarged view at C in fig. 4.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Testing device	2	Supporting frame
3	Conveying mechanism	3a	First conveying mechanism
				3b	Second conveying mechanism	31	Support frame
32	Roller	4	Sliding rail
				41	Sliding chute	5	Connector with a locking member
6	Fixing frame	61	Fixing hole
				71	Pusher member	721	Fixed seat
7231	Driving wheel	722	Return motor
				7233	Leather belt	7232	Driven wheel
724b	Roller support		724a					Roller support

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a testing apparatus 100.

In an embodiment of the present invention, the testing apparatus 100 is used for detecting a display apparatus (such as a television) to check whether a color, a picture, a frequency, a signal, and the like of the television before being shipped from a factory are abnormal, wherein the testing apparatus 100 includes:

a support frame 2;

a conveying mechanism 3 which is erected on the support frame 2 and can convey a display device (not shown);

at least one slide rail 4, which is installed on the support frame 2, and the slide rail 4 is formed with a slide groove 41;

the connector 5 is embedded in the sliding groove 41 in a matching mode and is connected with a display device and an external power supply, and the display device can drag the connector 5 to move along the length direction of the sliding groove 41 in the moving process; and

and the return mechanism is fixed on the support frame 2, abuts against the connector 5 and can drive the connector 5 to move along the direction opposite to the movement direction of the display device.

Generally, when the television set passes the detection of the testing apparatus 100, the television set can be placed on the conveying mechanism 3 and move along with the conveying mechanism 3 and can flow through different stations, so as to detect different items of the same screen or the same item of different screens. Before detection, a test program of an item to be detected is usually imported into a television in advance, when the detection is started, an operator electrically connects the television with an external power supply by using a connector 5, the television is powered on and can start a startup program, the television moves along with a conveying mechanism 3 in the process, and when the television moves to a test station, a tester can find the test program of the item to be detected from the television displaying successful startup and test the test program; after the test of the item is completed, the television is transferred to the next station to perform the test of another item until all the test items are detected by the test device 100. In the moving process of the television, the connector 5 can move along the sliding groove 41, so that the television keeps a power-on state all the time in the testing process, the waiting time for starting the test is reduced, and the production efficiency is greatly improved.

In this embodiment, the supporting frame 2 can be made of steel or iron, and can bear a certain weight, and the conveying mechanism 3 and the sliding rail 4 can be fixed to the supporting frame 2 through screw connection, wherein the sliding groove 41 and the sliding rail 4 form an integrated structure and are recessed in the outer surface of the sliding rail 4 or are protruded from the outer surface of the sliding rail 4. In preferred implementation, slide rail 4 is located the relative top position of 3 lateral parts of conveying mechanism to with conveying mechanism 3 parallel arrangement, so when the TV set moves on conveying mechanism 3, make the TV set at the removal in-process, slide rail 4 can not block the sight that the tester watched the TV set, convenient the detection, slide rail 4 and conveying mechanism 3 parallel arrangement in addition, when the TV set drags connector 5 to remove, connector 5 syntropy motion, the removal process is more smooth and easy. Of course, in other embodiments, the slide rail 4 may be disposed at a position laterally below or directly below the conveying mechanism 3 according to practical situations.

The connector 5 can be a square or bar structure and is embedded in the sliding groove 41, the connector 5 comprises a socket and a plug, the socket is matched with the sliding groove 41 and is connected with an external power supply through a power line, the plug is plugged in the socket and is connected with the television through another power line, when the television moves, the power line is pulled by tension force and drags the plug and the socket to slide along the sliding groove 41, and the power-on state in the television testing process is ensured. The return mechanism can be fixed to the support frame 2 by a screw connection and is located at the side of the slide rail 4 so as not to block the movement of the connector 5 along the slide groove 41.

In the actual test process, after the television moves along conveying mechanism 3 and completes all tests, connector 5 moves to the last station along spout 41, the operator can break off the connection between plug and the socket this moment, start the passback mechanism, the passback mechanism moves and with connector 5 butt, and then drive connector 5 and move back to the starting point position, later passback mechanism starts the original point again, in order to wait for next time to reset the connector, and can circulate the action in proper order, avoid manual operation from this, and is convenient and fast. In the testing device 100 in the technical scheme of the invention, the connector 5 can synchronously move with the display device, so that the continuous detection of power-on in the testing process is ensured, the time for waiting work is reduced, and the production efficiency is improved; meanwhile, the return mechanism can drive the connector 5 to automatically reset, so that the labor intensity of operators is reduced, and the production efficiency is further improved.

In one embodiment, the return mechanism may be a cylinder, and when a piston rod of the cylinder abuts against the connector 5, the cylinder part drives the piston rod to extend, thereby pushing the connector 5 to move and reset. It will be appreciated that in order to facilitate the abutment of the piston rod with the connector 5, a connecting rod may be secured to the end of the piston rod remote from the cylinder, the connecting rod being capable of abutting the connector 5, and the cylinder being located on the opposite side of the connector 5 and not being blocked by the cylinder when the connector 5 slides in the slide slot 41.

In the embodiment of the present invention, referring to fig. 3 and 4, the return mechanism includes a driving module and a pushing member 71 connected to the driving module, the driving module is fixed to the support frame 2, the pushing member 71 abuts against the connector 5, and the connector 5 is pushed to move under the driving of the driving module. The pushing member 71 may be a metal block or a plastic block with a certain strength, and the outline of the pushing member is substantially rectangular, so that the pushing member is easy to machine and form.

Referring to fig. 5 and 6, the driving module includes a fixing seat 721, a return motor 722 and a pulley assembly, the fixing seat 721 is fixed on the supporting frame 2, the return motor 722 is fixed on the fixing seat 721, the pulley assembly is connected to an output shaft of the return motor 722, the pushing member 71 is connected to the pulley assembly, and the return motor 722 drives the pulley assembly to move and drives the pushing member 71 to move. In this embodiment, the fixing base 721 may be welded and fixed to the supporting frame 2, the return motor 722 is fixed to the fixing base 721 through a screw connection, the pulley assembly includes a driving wheel 7231, a driven wheel 7232 and a belt 7233 engaged with the driving wheel 7231 and the driven wheel 7232, and the pushing member 71 is connected to the belt 7233. When the return motor 722 is activated, the return motor 722 rotates the driving pulley 7231, the driving pulley 7231 rotates the driven pulley 7232 via the belt 7233, and the pushing member 71 is fixedly riveted to the belt 7233 via the rivets, such that the pushing member 71 can move between the driving pulley 7231 and the driven pulley 7232 along with the belt 7233.

The two fixing bases 721 are respectively and correspondingly located at two ends of the slide rail 4 in the length direction, the driving wheel 7231 is fixed to one fixing base 721 through a roller support 724a and connected to the output shaft of the return motor 722, the driven wheel 7232 is fixed to the other fixing base 721 through another roller support 724b, and the belt 7233 is arranged in parallel with the slide rail 4. Specifically, the driving pulley 7231 and the driven pulley 7232 are both two-grooved pulleys, so that two parallel belts 7233 are fitted between the driving pulley 7231 and the driven pulley 7232, and the pushing member 71 and the two belts 7233 are both fixedly connected, thereby preventing the belts 7233 and the pushing member 71 from forming a single-point connection, forming a point-winding rotation when the connector 5 is pushed to slide, and ensuring that the connection between the connector 5 and the belts 7233 is firmer. The sliding rail 4 and the belt 7233 are arranged in parallel, so that the pushing piece 71 and the belt 7233 do not deviate in direction and displacement in synchronous motion.

It should be noted that, in order to prevent the connector 5 from sliding out of the sliding groove 41 and separating from the sliding rail 4 when moving, the end portions of the two ends of the sliding rail 4 in the length direction are both provided with a limiting block (not shown), which may be a rubber block with certain elasticity and fixed with the sliding rail 4 by a screw, so that the connector 5 can be limited by the limiting block when the connector 5 is about to separate from the sliding rail 4, and the elastic arrangement can buffer the impact of the connector 5, thereby effectively preventing the connector 5 from being damaged.

In this embodiment, a wear-resistant plate (not shown) is fixed to a surface of the connector 5 facing the sliding groove 41, the wear-resistant plate may be a tool steel plate or a race steel plate, preferably a race steel plate, and is adhesively fixed to the connector 5.

In the embodiment of the present invention, referring to fig. 1, the conveying mechanism 3 includes a bracket 31, a roller 32 disposed on the bracket 31, and a driving motor (not shown) for driving the roller 32 to rotate, and the bracket 31 is connected to the supporting frame 2. In a specific implementation, the support 31 may be used to support the roller 32, the driving motor drives the chain assembly to move, the chain assembly drives the roller 32 to rotate, and when the tv is placed on the roller 32, the roller 32 drives the tv to move between different stations for testing.

Specifically, the conveying mechanism 3 includes a first conveying mechanism 3a and a second conveying mechanism 3b, and the first conveying mechanism 3a is provided in the horizontal direction; the testing device 100 further comprises a fixing frame 6, the fixing frame 6 is connected to the supporting frame 2 and arranged at a certain included angle with the plane where the first conveying mechanism 3a is located, and the second conveying mechanism 3b is detachably connected to the fixing frame 6. In practical applications, the fixing frame 6 may be fixed to the supporting frame 2 by a screw, and usually, in order to test the picture condition of the tv, the tv needs to be placed on the conveying mechanism 3 in an inclined manner. Therefore, the fixing frame 6 and the plane of the first conveying mechanism 3a are arranged in an included angle mode, when the second conveying mechanism 3b is connected to the fixing frame 6, the second conveying mechanism 3b is inclined to the first conveying mechanism 3a and arranged in the included angle mode, and therefore when the television is simultaneously in contact with the first conveying mechanism 3a and the second conveying mechanism 3b, the plane of the television is inclined and arranged, and detection of a tester is facilitated.

Further, referring to fig. 2, the fixing frame 6 is provided with a plurality of fixing holes 61, the plurality of fixing holes 61 are uniformly arranged in the length direction of the fixing frame 6 at intervals, and the second conveying mechanism 3b has a fixing hook (not shown) which is selectively inserted into the fixing holes 61, so that the second conveying mechanism 3b is fixed to the fixing frame 6. In the actual test, the sizes of the televisions are different, and when the testing device 100 is used for testing a television with a larger size, the fixing clamp can be hooked into the fixing hole 61 which is in the fixing frame 6 and is relatively far away from the first conveying mechanism 3a, so that the distance between the second conveying mechanism 3b and the first conveying mechanism 3a is adjusted to be larger, and the distance is matched with the size of the television; conversely, when testing a television set with a smaller size, the fixing hook can be selectively inserted into the fixing hole 61 close to the first conveying mechanism 3a to adjust the distance between the first conveying mechanism 3a and the second conveying mechanism 3b to be smaller, so that the testing device 100 can be flexibly adjusted to be matched with the size of the television set in use.

In actual detection, the process from connection and energization of the television and the connector 5 to start-up of the television for testing usually requires 30 to 60 seconds, so as to further reduce the time for waiting for testing, in the embodiment, two slide rails 4 are arranged in parallel in the up-and-down direction of the support frame 2, when one television is successfully connected with the connector 5 on one slide rail 4 and started up, the conveyor mechanism 3 drives the television to move to the testing station for testing, at the moment, the connector 5 of the other slide rail 4 can be connected with the other television for waiting for start-up, when the connection is successfully started up, the last television just completes testing, and then the other television is tested, so that the waiting time is reduced, the connectors 5 of the two slide rails 4 can continuously test the televisions, and the production efficiency is further improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A test device for testing a display device, comprising:

a support frame;

the return mechanism comprises a driving module and a pushing piece connected to the driving module, the driving module is fixed on the supporting frame, the pushing piece abuts against the connector, and the connector is pushed to move in a direction opposite to the moving direction of the display device under the driving of the driving module.

2. The test device of claim 1, wherein the drive module comprises:

the fixing seat is fixed on the supporting frame;

the return motor is fixed on the fixed seat; and

3. The testing apparatus of claim 2, wherein the pulley assembly includes a driving pulley, a driven pulley, and a belt cooperating with the driving pulley and the driven pulley, the pusher being connected to the belt;

4. The testing device as claimed in any one of claims 1 to 3, wherein the conveying mechanism comprises a support, a roller arranged on the support, and a driving motor for driving the roller to rotate, and the support is connected with the supporting frame.

5. The test apparatus of claim 4, wherein the transport mechanism comprises a first transport mechanism and a second transport mechanism, the first transport mechanism being disposed in a horizontal direction;

6. The testing device as claimed in claim 5, wherein the fixing frame has a plurality of fixing holes, the fixing holes are uniformly spaced along a length direction of the fixing frame, the second conveying mechanism has a fixing hook, and the fixing hook is selectively engaged with the fixing holes to fix the second conveying mechanism to the fixing frame.

7. The testing device as claimed in claim 6, wherein two of the slide rails are disposed in parallel in an up-down direction of the supporting frame.

8. The test apparatus as claimed in claim 1, wherein a wear plate is fixed to a surface of the connector facing the chute.

9. The testing device of claim 1, wherein the end portions of the slide rail at both ends in the length direction are provided with limiting blocks.