CN111071728A

CN111071728A - Automatic move and carry test line

Info

Publication number: CN111071728A
Application number: CN201911260150.5A
Authority: CN
Inventors: 夏春磊; 彭积才; 刘外波; 刘志国; 吴玉堂; 朱海江; 刘雄明
Original assignee: Zhuhai Bojay Electronics Co Ltd
Current assignee: Zhuhai Bojay Electronics Co Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-04-28

Abstract

The invention discloses an automatic transfer test line which comprises a conveying line, wherein test stations are formed on two sides of the conveying line; the conveying line comprises a conveying frame, a first conveying mechanism and a second conveying mechanism, the first conveying mechanism and the second conveying mechanism are both arranged on the conveying frame, and the first conveying mechanism and the second conveying mechanism are distributed at intervals in the Z-axis direction; the transfer device is arranged on the conveying end face of the first conveying mechanism, and a transfer plate for transferring workpieces is arranged on the transfer device; and the lifting device is connected with the starting end and the tail end of the conveying line and used for receiving the transfer plate and driving the transfer plate to move along the Z-axis direction. The automatic transfer test line can automatically complete workpiece transfer and reflow.

Description

Automatic move and carry test line

Technical Field

The invention relates to the technical field of production equipment, in particular to an automatic transfer test line.

Background

At present, in the industrial production process, workpieces generally need to be transferred to processing equipment and testing equipment on a production line on the production line, and then are transferred after corresponding operations are performed. The existing mode of carrying multiple-shaft mechanical arms by adopting RGV realizes the material carrying and the material loading and unloading of equipment, and the cost is relatively high.

Disclosure of Invention

In order to overcome the disadvantages of the prior art, an object of the present invention is to provide an automatic transfer test line, which can automatically complete the transfer and reflow of the workpiece.

The purpose of the invention is realized by adopting the following technical scheme:

an automatic transfer test line, which comprises,

the test device comprises a conveying line, a testing station and a testing station, wherein the testing station is formed on each of two sides of the conveying line; the conveying line comprises a conveying frame, a first conveying mechanism and a second conveying mechanism, the first conveying mechanism and the second conveying mechanism are both arranged on the conveying frame, and the first conveying mechanism and the second conveying mechanism are distributed at intervals in the Z-axis direction;

the transfer device is arranged on the conveying end face of the first conveying mechanism, and a transfer plate for transferring workpieces is arranged on the transfer device;

and the lifting device is connected with the starting end and the tail end of the conveying line and used for receiving the transfer plate and driving the transfer plate to move along the Z-axis direction.

Further, the first conveying mechanism comprises a rack, a gear and a first motor, the gear and the first motor are both mounted at the bottom end of the transfer device, and a rotating shaft of the first motor is synchronously connected with the gear; the rack is arranged at the top end of the conveying frame, and the gear is meshed with the rack.

Furthermore, the second conveying mechanism comprises a second motor, a conveying chain and two chain wheels, and the two chain wheels are pivoted at two ends of the conveying frame; the conveying chain is synchronously wound on the two chain wheels and meshed with the chain wheels; the rotating shaft of the second motor is synchronously connected with the chain wheel.

Furthermore, the transfer device comprises a machine body, a rotary table, a first transfer component, a second transfer component, a first driving mechanism and a second driving mechanism, wherein the rotary table is pivoted on the machine body; the first shifting component and the second shifting component are both arranged on the turntable and are distributed at intervals in the Z-axis direction; the first shifting component and the second shifting component can move along the Y-axis direction; the first driving mechanism is used for driving the first shifting component and the second shifting component to move along the Z-axis direction; the second driving mechanism is used for driving the rotating disc to rotate around the Z axis;

the first transfer assembly comprises a third driving mechanism, a transfer plate and two pushing strips, and the two pushing strips are arranged on the mounting frame and are distributed at intervals in the X-axis direction; the pushing strip extends along the Y-axis direction; the pushing strip can move along the X-axis direction; the transfer board is arranged on the two pushing strips; the third driving mechanism is used for driving the transfer plate to move along the Y-axis direction.

Furthermore, an installation frame is arranged on the rotary table, the installation frame is installed on the rotary table, and the first load transferring assembly and the second load transferring assembly are installed on the installation frame;

the first driving mechanism comprises a first air cylinder, a driving wheel and a first guide inclined plane, the first air cylinder is fixedly connected to the turntable, and the driving wheel is pivoted on the mounting frame; the first guide inclined plane is fixedly connected with the turntable and gradually inclines in the Y-axis direction; the driving wheel is in sliding fit with the first guide inclined plane; the first air cylinder is used for driving the mounting rack to move along the Y-axis direction.

Furthermore, a power output end of a third driving mechanism is provided with a driving plate, the driving plate is provided with a linkage mechanism, the linkage mechanism is used for a second air cylinder, a first driving block and a second driving block, the first driving block is provided with a second guide inclined surface, the second driving block is provided with a third guide inclined surface, the second air cylinder is used for driving the first driving block to move along the Y-axis direction, so that the second guide inclined surface is in sliding fit with the third guide inclined surface, and the second driving block is guided to move towards the shifting board or away from the shifting board along the Z-axis direction; the second driving block is used for being connected with the transfer board after moving towards the transfer board.

Furthermore, a connecting hole is formed in the movable support plate; and the second driving block is provided with a connecting column, and the connecting column is used for being inserted into the connecting hole after the second driving block moves upwards.

Furthermore, the lifting device comprises a lifting frame, a lifting mechanism and a third conveying mechanism, and the lifting mechanism and the third conveying mechanism are both arranged on the lifting frame; the lifting mechanism is used for driving the third conveying mechanism to move along the Z-axis direction; the third conveying mechanism is used for being connected with the first conveying mechanism or the second conveying mechanism.

Furthermore, the lifting mechanism comprises a third motor, a synchronous belt and two synchronous wheels, and the two synchronous wheels are pivoted on the lifting frame and distributed at intervals in the Z-axis direction; the synchronous belt is synchronously wound outside the two synchronous wheels; a rotating shaft of the third motor is synchronously connected with one of the synchronous wheels; the synchronous belt is fixedly connected with a lifting plate on a transmission section in a Z-axis mode, and the third conveying mechanism is installed on the lifting plate.

Further, the test station is provided with a test device.

Compared with the prior art, the invention has the beneficial effects that: the movable carrying device can be driven by the first conveying mechanism to be conveyed to different testing stations, workpieces on the carrying plate can be transferred to the testing stations for testing, the workpieces on the carrying plate can be transferred out after testing is finished, the carrying device is conveyed to the lifting device by the first conveying mechanism, the carrying plate after loading testing can be transferred to the lifting device, after the workpieces on the carrying plate are taken down, the lifting device drives the carrying plate to move downwards, the carrying plate can be received by the second conveying mechanism, the second conveying mechanism drives the carrying plate to flow back to the other lifting device, the lifting device drives the carrying plate to move upwards again, the carrying plate can be received by the carrying device on the first conveying mechanism again, next testing operation is finished, and therefore workpiece conveying and backflow can be automatically finished.

Drawings

FIG. 1 is a schematic structural diagram of an automatic transfer test line according to the present invention;

FIG. 2 is a schematic view of a portion of the conveyor line of the present invention;

FIG. 3 is a schematic structural diagram of the lifting device of the present invention;

fig. 4 is a schematic structural view of a transfer device according to the present invention;

FIG. 5 is a schematic structural view of a first transfer assembly according to the present invention;

FIG. 6 is a schematic view of a partial structure of a first transfer assembly according to the present invention;

fig. 7 is a partial schematic structural view of the transfer device of the present invention.

In the figure: 100. a transfer device; 11. a turntable; 12. a gear; 20. a first transfer assembly; 21. pushing the strip; 22. moving the carrier plate; 221. connecting holes; 23. a third drive mechanism; 24. a push wheel; 25. a linkage mechanism; 251. a second cylinder; 252. a first driving block; 253. a second driving block; 254. connecting columns; 30. a second transfer assembly; 41. a first cylinder; 42. a first guide ramp; 43. a drive wheel; 50. a mounting frame; 200. a lifting device; 210. a lifting frame; 220. a lifting mechanism; 230. mounting a plate; 240. a third conveying mechanism; 300. a conveying line; 310. a carriage; 320. a rack; 330. a chain; 340. a second motor; 400. and (6) testing the device.

Detailed Description

The invention will be further described with reference to the accompanying drawings and the detailed description below:

as shown in fig. 1 to 7, an automatic transfer test line includes a conveyor line 300, a transfer device 100, and a lifting device 200, wherein test stations are formed on both sides of the conveyor line 300.

The specific conveying line 300 comprises a conveying frame 310, a first conveying mechanism and a second conveying mechanism, wherein the first conveying mechanism and the second conveying mechanism are both arranged on the conveying frame 310 and are distributed at intervals in the Z-axis direction. The transfer device 100 is attached to the conveying end face of the first conveying mechanism, and the transfer device 100 is provided with a transfer plate 22, and the transfer plate 22 is used for transferring the workpiece. In addition, the lifting device 200 is connected to the beginning end and the end of the conveying line 300, and the lifting device 200 is used for receiving the transfer plate 22 and driving the transfer plate 22 to move along the Z-axis direction.

Based on the above structure, with the automatic transfer testing line of the present invention, the movable device 100 can be driven by the first conveying mechanism to be conveyed to different testing stations, the workpiece on the transfer board 22 is transferred to the testing station for testing, after the testing is completed, the workpiece on the transfer board 22 is transferred, the first conveying mechanism conveys the transfer device 100 to the lifting device 200, the transfer board 22 loaded with the tested workpiece can be transferred to the lifting device 200, after the workpiece on the transfer board 22 is taken off, the lifting device 200 drives the transfer board 22 to move downwards, the transfer board 22 can be received by the second conveying mechanism, the second conveying mechanism drives the transfer board 22 to flow back to another lifting device 200, the lifting device 200 drives the transfer board 22 to move upwards again, the transfer board 22 can be received by the transfer device 100 on the first conveying mechanism again, the next testing operation is completed, thus, the workpiece transfer and reflow can be automatically completed.

Further, the first conveying mechanism in this embodiment includes a rack 320, a gear 12 and a first motor, the gear 12 and the first motor are both installed at the bottom end of the transfer device 100, a rotating shaft of the first motor is synchronously coupled with the gear 12, the rack 320 is installed at the top end of the conveying rack 310, the rack 320 can extend along the X-axis direction, and the gear 12 is meshed with the rack 320. When the transfer device 100 is transported, the first motor may be started, the gear 12 may be driven to rotate by the rotation of the rotating shaft of the first motor, and the gear 12 may rotate to move along the extending direction of the rack 320, so as to transfer the transfer device 100 at different positions of the conveyor line 300.

In addition, the second conveying mechanism includes a second motor 340, a conveying chain 330 and two chain wheels, wherein the two chain wheels are pivoted to two ends of the conveying frame 310; the conveying chain 330 is synchronously wound around the two chain wheels and meshed with the chain wheels; the rotating shaft of the second motor 340 is synchronously coupled with the sprocket. Thus, the rotation of the shaft of the second motor 340 can drive the sprocket to rotate, the sprocket can drive the conveying chain 330 to transmit, and the transfer board 22 can be conveyed after being placed on the chain 330.

Of course, the first conveying mechanism and the second conveying mechanism can also be realized by other conveying mechanisms such as a belt conveying mechanism or a roller conveying mechanism in the prior art.

Further, the transferring device 100 of the present embodiment includes a body, a turntable 11, a first transferring component 20, a second transferring component 30, a first driving mechanism and a second driving mechanism, wherein the turntable 11 is pivotally connected to the body. Specifically, the first transfer unit 20 and the second transfer unit 30 are both mounted on the turntable 11, and the first transfer unit 20 and the second transfer unit 30 are spaced apart from each other in the Z-axis direction, and both the first transfer unit 20 and the second transfer unit 30 are movable in the Y-axis direction. The first driving mechanism is used for driving the first shifting component 20 and the second shifting component 30 to move along the Z-axis direction; the second driving mechanism is used for driving the turntable 11 to rotate around the Z axis.

Based on the above structure, taking the first conveying mechanism as an example including the gear 12, the rack 320 and the first motor, the first motor and the gear 12 may be installed at the bottom end of the machine body, the gear 12 at the bottom end of the machine body may travel on the rack 320 of the conveying line 300, when the transfer device 100 moves to correspond to the test station, the first driving mechanism may drive the first transfer component 20 and the second transfer component 30 to move along the Z-axis direction, so that the first transfer component 20 and the second transfer component 30 may correspond to the test station of the test machine, the first transfer component 20 may not place the workpiece, the second transfer component 30 may place the workpiece to be tested, the first transfer component 20 on the transfer device 100 moves to the test machine along the Y-axis direction, the workpiece tested in the test machine is taken out, the second transfer component 30 moves to the test machine along the Y-axis direction, the workpiece is pushed to the test machine, therefore, the workpieces are alternately taken and placed, and the workpieces are transferred. In addition, the second driving mechanism can drive the rotating disc 11 to rotate, and multi-direction workpiece taking and placing can be achieved.

Further, an installation rack 50 can be further arranged on the turntable 11, the installation rack 50 is installed on the turntable 11, the first load moving component 20 and the second load moving component 30 are installed on the installation rack 50, and the first driving mechanism is used for driving the installation rack 50 to move along the Z-axis direction, so that the first driving mechanism can drive the installation rack 50 to move along the Z-axis direction relative to the turntable 11, the first load moving component 20 and the second load moving component 30 on the installation rack 50 can be driven to move up and down, the first load moving component 20 and the second load moving component 30 can move up and down simultaneously, and the synchronism is strong.

More specifically, the first driving mechanism includes a first cylinder 41, a driving wheel 43 and a first guiding inclined plane 42, the first cylinder 41 is fixedly connected to the turntable 11, and the driving wheel 43 is pivotally connected to the mounting frame 50. In addition, a first guiding inclined plane 42 is fixedly connected with the turntable 11, and the first guiding inclined plane 42 is gradually inclined in the Y-axis direction; the driving wheel 43 is in sliding engagement with the first guiding ramp 42; the first cylinder 41 is used for driving the mounting frame 50 to move along the Y-axis direction. Thus, when the mounting bracket 50 is driven to move up and down, the first cylinder 41 can drive the mounting bracket 50 to move along the Y-axis direction, the driving wheel 43 on the mounting bracket 50 can be slidably engaged with the first guiding inclined surface 42, and the first guiding inclined surface 42 can be guided to move up and down along the first guiding inclined surface 42.

Of course, the first driving mechanism can also be realized by directly selecting a screw rod transmission mechanism in the prior art, and the screw rod transmission mechanism can be directly arranged in the Z-axis direction to directly drive the mounting frame 50 up and down. The first driving mechanism in this embodiment selects the cylinder matching inclined plane arranged in the Y-axis direction to guide the mounting frame 50 up and down, so as to save the mounting space of the machine body.

Further, the first transfer assembly 20 includes a third driving mechanism 23, a transfer plate 22 and two pushing bars 21, the two pushing bars 21 are disposed on the mounting frame 50, the two pushing bars 21 are spaced apart from each other in the X-axis direction, the pushing bars 21 extend in the Y-axis direction, and the pushing bars 21 can move in the X-axis direction. The transfer plate 22 is mounted on the two push bars 21; the third driving mechanism 23 is used for driving the transfer plate 22 to move along the Y-axis direction.

Thus, during the pushing process, the transfer board 22 is supported by the two pushing bars 21, the workpiece can be placed on the transfer board 22, and then the third driving mechanism 23 can drive the transfer board 22 to move along the Y axis, so as to push the transfer board 22 into the testing machine for testing. In addition, the pushing strips 21 can move along the X-axis direction, and the distance between the two pushing strips 21 is adjustable, so that the transfer plate 22 can be replaced according to the size of the workpiece, and the workpiece can be suitable for different workpieces.

Furthermore, a plurality of pushing wheels 24 may be further disposed on the first pushing bar 21, the pushing wheels 24 are all pivoted on the pushing bar 21, and the pushing wheels 24 are distributed at intervals along the extending direction of the first pushing bar 21, so that when the third driving mechanism 23 drives the transfer plate 22 to move, the transfer plate 22 may be in rolling fit with the pushing wheels 24, so as to reduce friction and facilitate the movement of the transfer plate 22.

Further, a driving plate is arranged at a power output end of the third driving mechanism 23, a linkage mechanism 25 is arranged on the driving plate, the linkage mechanism 25 is used for the second air cylinder 251, the first driving block 252 and the second driving block 253, a second guiding inclined surface is arranged on the first driving block 252, a third guiding inclined surface is arranged on the second driving block 253, and under the driving of the second air cylinder 251, the first driving block 252 can move along the Y-axis direction, so that the second guiding inclined surface is in sliding fit with the third guiding inclined surface, and the second driving block 253 is guided to move towards or away from the transfer plate 22 along the Z-axis direction. The second driving block 253 is connected to the transfer board 22 after moving toward the transfer board 22.

On the basis of the structure, when pushing the workpiece, the workpiece can be placed on the transfer board 22, the second cylinder 251 can drive the first driving block 252 to move towards the second driving block 253, the first driving block 252 and the second driving block 253 are in sliding fit to guide the second driving block 253 to move towards the transfer board 22, so that the second driving block 253 can be connected with the transfer board 22, and then the third driving mechanism 23 can drive the transfer board 22 to push. After the transfer board 22 is pushed to the testing machine, the second cylinder 251 drives the first driving block 252 to reset, the second driving block 253 resets, the second driving block 253 can be separated from the transfer board 22, and the transfer board 22 can be left in the testing machine, so that the pushing of the workpiece is completed.

After the test is completed, similarly, the second air cylinder 251 drives the first driving block 252 to move towards the second driving block 253, the second driving block 253 is in sliding fit with the first driving block 252 to guide the second driving block 253 to move close to the transfer board 22, the second driving block 253 can also be connected with the transfer board 22 on the test station, and the third driving mechanism 23 drives the whole transfer board 22 to move back, so that the workpiece tested by the transfer board 22 on the test station can be moved out.

Furthermore, the moving carrier plate 22 is provided with a connecting hole 221, the second driving block 253 is provided with a connecting column 254, after the second driving block 253 moves towards the moving carrier plate 22, because the first driving block 252 and the second driving block 253 are in sliding fit with each other by an inclined surface, the inclined surface can guide the second driving block 253 to move upwards, and then the connecting column 254 can move upwards and then be inserted into the connecting hole 221 to complete the connection. And the connecting column 254 is selected to be assembled with the connecting hole 221, so that the later-stage reset is facilitated.

Further, the third driving mechanism 23 includes a third cylinder, and the third cylinder is used for driving the transfer plate 22 to move along the Y-axis direction, and the driving structure is simple and stable.

Of course, the structure of the second transferring component 30 in this embodiment may be the same as the structure of the first transferring component 20, and the specific pushing process is implemented by referring to the first transferring component 20, which is not described in detail herein.

Further, the lifting device 200 includes a lifting frame 210, a lifting mechanism 220 and a third conveying mechanism 240, the lifting mechanism 220 and the third conveying mechanism 240 are both installed on the lifting frame 210, the lifting mechanism 220 can drive the third conveying mechanism 240 to move along the Z-axis direction, and the third conveying mechanism 240 is used for being connected with the first conveying mechanism or the second conveying mechanism. During operation, the lifting mechanism 220 may drive the third conveying mechanism 240 to move upward, the third conveying mechanism 240 may be connected to the first conveying mechanism after moving upward, and the transfer board 22 on the transfer device 100 may be received by the third conveying mechanism 240. Thereafter, the lifting mechanism 220 may drive the third conveying mechanism 240 to move downward, so that the third conveying mechanism 240 is connected to the second conveying mechanism, and the transfer board 22 may be received by the second conveying mechanism, thereby completing the conveying and reflow of the transfer board 22.

It should be noted that the turntable 11 of the transfer device 100 can drive the mounting rack 50 to rotate to the third conveying mechanism 240 facing the lifting device 200, so as to receive the transfer board 22. The transfer of the transfer board 22 to the third conveying mechanism 240 may be performed in the same manner as the operation of the first transfer unit 20.

Further, the lifting mechanism 220 includes a third motor, a synchronous belt and two synchronous wheels, the two synchronous wheels are pivoted on the lifting frame 210 and are distributed at intervals in the Z-axis direction; the synchronous belt is synchronously wound outside the two synchronous wheels; a rotating shaft of the third motor is synchronously connected with one of the synchronous wheels; the synchronous belt is fixedly connected with a lifting plate on a transmission section in a Z-axis mode, and the third conveying mechanism 240 is installed on the lifting plate. So, the third motor rotates, can drive the synchronizing wheel and rotate, and two synchronizing wheel rotations can drive synchronous belt drive, and the hold-in range alright drive the lifter plate up-and-down motion in the conveying section of Z axle direction, and then drives the third conveying mechanism 240 of installing on mounting panel 230 from top to bottom.

Of course, the lifting mechanism 220 can also be implemented by a screw rod transmission mechanism or other linear motion output mechanisms such as an electric sliding table in the prior art.

Further, the testing station in this embodiment may be provided with a testing device 400, and the testing device 400 may be an FCT testing fixture in the prior art, or a flexible circuit board testing machine, etc. Different test apparatuses 400 may be provided on both sides of the conveyor line 300 to perform different functional tests. The same testing devices 400 can be arranged to be distributed in the conveying direction of the conveying line 300, a plurality of workpieces can be tested at the same time, the testing efficiency is improved, and the selection and the arrangement are specifically carried out according to actual needs.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.

Claims

1. An automatic transfer test line is characterized by comprising,

2. The automatic transfer test line according to claim 1, wherein the first conveying mechanism comprises a rack, a gear and a first motor, the gear and the first motor are both mounted at the bottom end of the transfer device, and a rotating shaft of the first motor is synchronously coupled with the gear; the rack is arranged at the top end of the conveying frame, and the gear is meshed with the rack.

3. The automatic transfer test line according to claim 1, wherein the second conveying mechanism comprises a second motor, a conveying chain and two chain wheels, both chain wheels are pivoted to both ends of the conveying rack; the conveying chain is synchronously wound on the two chain wheels and meshed with the chain wheels; the rotating shaft of the second motor is synchronously connected with the chain wheel.

4. The automatic transfer test line according to any one of claims 1 to 3, wherein the transfer device comprises a body, a turntable, a first transfer component, a second transfer component, a first driving mechanism and a second driving mechanism, the turntable is pivotally connected to the body; the first shifting component and the second shifting component are both arranged on the turntable and are distributed at intervals in the Z-axis direction; the first shifting component and the second shifting component can move along the Y-axis direction; the first driving mechanism is used for driving the first shifting component and the second shifting component to move along the Z-axis direction; the second driving mechanism is used for driving the rotating disc to rotate around the Z axis;

5. The automatic transfer test line according to claim 4, wherein a mounting frame is provided on the turntable, the mounting frame is mounted on the turntable, and the first transfer unit and the second transfer unit are mounted on the mounting frame;

6. The automatic transfer test line according to claim 4, wherein the power output end of the third driving mechanism is provided with a driving plate, the driving plate is provided with a linkage mechanism, the linkage mechanism is used for a second air cylinder, a first driving block and a second driving block, the first driving block is provided with a second guide inclined surface, the second driving block is provided with a third guide inclined surface, the second air cylinder is used for driving the first driving block to move along the Y-axis direction, so that the second guide inclined surface is in sliding fit with the third guide inclined surface, and the second driving block is guided to move towards or away from the transfer plate along the Z-axis direction; the second driving block is used for being connected with the transfer board after moving towards the transfer board.

7. The automatic transfer test line according to claim 6, wherein the transfer plate is provided with a connection hole; and the second driving block is provided with a connecting column, and the connecting column is used for being inserted into the connecting hole after the second driving block moves upwards.

8. The automatic transfer test line according to any one of claims 1 to 3, wherein the lifting device comprises a lifting frame, a lifting mechanism and a third conveying mechanism, and the lifting mechanism and the third conveying mechanism are both mounted on the lifting frame; the lifting mechanism is used for driving the third conveying mechanism to move along the Z-axis direction; the third conveying mechanism is used for being connected with the first conveying mechanism or the second conveying mechanism.

9. The automatic transfer test line according to claim 8, wherein the lifting mechanism comprises a third motor, a synchronous belt and two synchronous wheels, the two synchronous wheels are pivoted on the lifting frame and are distributed at intervals in the Z-axis direction; the synchronous belt is synchronously wound outside the two synchronous wheels; a rotating shaft of the third motor is synchronously connected with one of the synchronous wheels; the synchronous belt is fixedly connected with a lifting plate on a transmission section in a Z-axis mode, and the third conveying mechanism is installed on the lifting plate.

10. The automatic transfer test line according to any one of claims 1 to 3, wherein the test station is provided with a test device.