Multifunctional multi-station PCB automatic test equipment

Abstract

The utility model relates to the technical field of PCB testing, and discloses a multifunctional multi-station PCB automatic testing device. The test equipment comprises a plurality of test mechanisms, a lifting mechanism, a width-adjusting material conveying mechanism, an equipment cabinet and a control mechanism. The testing mechanism is provided with a replaceable testing tool, the lifting mechanisms can be arranged on the feeding side and the discharging side of the testing mechanism respectively, the width adjusting conveying mechanism is arranged on substrates of the testing mechanism and the lifting mechanisms, the equipment cabinet protects all the mechanisms, and the control mechanism controls conveying and testing of PCBs. The testing equipment is provided with a plurality of testing mechanisms to meet multi-station testing, so that the working efficiency is improved; meanwhile, a replaceable testing tool is arranged on the testing mechanism, so that different testing requirements are met, and the functional diversity is improved; a control mechanism is arranged to control various mechanisms to operate cooperatively, and implementation of automation is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board testing, in particular to a multifunctional multi-station PCB board automatic testing device. Background Art

[0002] PCBs, as one of the primary carriers of electronic information, are widely used in markets such as consumer electronics and automotive electronics. Conventional PCB production is typically done in batches, and prior to packaging, they must undergo various tests, including program burning, ICT testing, FCT testing, and burn-in testing. Only after passing these tests can they proceed to the next stage of the process. However, during the production process, each different PCB requires a specific type of PCB testing equipment, resulting in high purchase costs and poor compatibility of test equipment. Furthermore, some testing processes are time-consuming, reducing production efficiency. Utility Model Content

[0003] In order to overcome the above-mentioned technical problems, the utility model provides a multifunctional multi-station PCB board automated testing equipment. The testing equipment is provided with multiple testing mechanisms to meet the multi-station testing of PCB boards and improve work efficiency. At the same time, replaceable test tooling can be provided on the testing mechanism to meet different testing requirements and improve functional diversity. In addition, a control mechanism is provided to control and adjust the coordination between the adjustable width conveying mechanism and the testing mechanism to meet the compatible conveying and testing of PCB boards of different widths, thereby ensuring the implementation of automation.

[0004] In order to achieve the above-mentioned object, the present invention provides a multifunctional multi-station PCB board automatic testing device, the testing device comprising:

[0005] A plurality of testing mechanisms, wherein the plurality of testing mechanisms are stacked and arranged in a vertical direction, the testing mechanisms are used to test the PCB board, and the testing mechanisms are provided with replaceable testing fixtures;

[0006] Two lifting mechanisms are respectively arranged on the feeding side and the discharging side of the testing mechanism;

[0007] Multiple width-adjustable feeding mechanisms are provided on the base plates of the testing mechanism and the lifting mechanism along the conveying direction of the PCB boards, and are used to accommodate and convey PCB boards of different widths;

[0008] An equipment cabinet, which is sleeved on the outside of the testing mechanism, the lifting mechanism, and the width-adjustable feeding mechanism;

[0009] The control mechanism is electrically connected to the testing mechanism, the lifting mechanism, and the width-adjustable feeding mechanism to control the conveying and testing of the PCB board.

[0010] Preferably, the testing mechanism comprises:

[0011] substrate;

[0012] A positioning assembly, fixedly disposed on the base plate, for placing the test fixture;

[0013] A downward-pressing cylinder assembly, which is disposed above the positioning assembly and is used to push the test fixture into contact with the PCB board;

[0014] Preferably, the positioning component includes:

[0015] Two positioning vertical plates are vertically arranged on both sides of the test fixture;

[0016] A floating stopper is provided at one end of the test fixture near the discharge side of the test mechanism;

[0017] A self-locking button plunger is provided on the positioning vertical plate and is used for positioning and replacing the test fixture.

[0018] Preferably, the downward pressure cylinder assembly includes:

[0019] Two guide rails are vertically arranged on both sides of the base plate;

[0020] a first lifting cylinder, drivingly connected to the guide rail;

[0021] The second lifting cylinder is driven and connected to the guide rail, and the second lifting cylinder is fixedly connected to the width-adjusting feeding mechanism provided on the testing mechanism, and is used for adjusting the contact and conduction between the PCB board connection and the testing fixture.

[0022] Preferably, the lifting mechanism comprises:

[0023] A linear guide rail, the linear guide rail being vertically arranged close to one side of the testing mechanism;

[0024] A ball screw, the ball screw being vertically arranged on a side of the linear guide rail away from the testing mechanism and being connected to an external motor drive;

[0025] The base plate is vertically connected to the ball screw and is used to fix the width-adjusting conveying mechanism.

[0026] Preferably, the width-adjustable feeding mechanism comprises:

[0027] An anti-static conveying assembly, the anti-static conveying assembly being used to convey the PCB board;

[0028] The width-adjusting component is fixedly arranged on the substrate, and the width-adjusting component is driven and connected to the anti-static conveying component to adjust the width of the anti-static conveying component.

[0029] Preferably, the anti-static conveying assembly comprises:

[0030] Two supporting substrates, the two supporting substrates are arranged opposite to each other, with one supporting substrate fixedly arranged on one side of the substrate and the other supporting substrate being slidably connected to the width adjustment component;

[0031] A conveyor belt is provided on top of the supporting substrate and is used for placing and conveying the PCB board;

[0032] Two driving rollers are respectively arranged at the two ends of the top of the supporting base plate, are connected to the conveying sheet base belt, and are connected to the external motor drive;

[0033] The tensioning idler wheel is arranged on the supporting base plate and is drivingly connected to the conveying sheet base belt.

[0034] Preferably, the width adjustment component includes:

[0035] a width-adjusting baffle, the width-adjusting baffle being arranged on the other side of the substrate;

[0036] A width-adjusting guide rail, one end of which is connected to the width-adjusting baffle, the other end of which is connected to the supporting base plate provided on one side of the base plate, and the other supporting base plate is slidably connected to the width-adjusting guide rail;

[0037] A width adjustment screw rod, one end of which is connected to the width adjustment baffle, and the other end of which is connected to the supporting substrate arranged on one side of the substrate, and the width adjustment screw rod drives the other supporting substrate to slide along the width adjustment guide rail to complete the width adjustment of the anti-static conveying component.

[0038] Preferably, the control mechanism includes:

[0039] Multiple groups of feed sensors and discharge sensors are respectively arranged at both ends of the base plate of the testing mechanism and the lifting mechanism;

[0040] A stopping cylinder is provided at one end of the base plate close to the discharge sensor;

[0041] An adjustable barcode scanning gun structure is provided on the base plate of the lifting mechanism and is used to record the test data of the PCB board;

[0042] A touch screen display unit is arranged on the outer cabinet wall of the equipment cabinet to facilitate the operation of the PCB board and display the test progress and information of the PCB board.

[0043] Preferably, the control mechanism further comprises:

[0044] A deceleration sensor is provided on the middle portion of the testing mechanism and is used to adjust the conveying speed of the width-adjustable feeding mechanism on the testing mechanism;

[0045] an in-position sensor, arranged behind the deceleration sensor along the conveying direction of the PCB board, for stopping the conveying of the width-adjustable feeding mechanism on the testing mechanism;

[0046] The anti-reverse sensor is arranged behind the in-place sensor along the conveying direction of the PCB board and is used to detect the placement direction of the PCB board.

[0047] Through the above technical solution, the automated testing equipment is equipped with multiple testing mechanisms to meet the multi-station testing of PCB boards, thereby improving work efficiency; at the same time, replaceable test tooling can be set on the testing mechanism to meet different testing requirements and improve functional diversity; and a control mechanism is set to control and adjust the coordination between the adjustable width conveying mechanism and the testing mechanism to meet the compatible conveying and testing of PCB boards of different widths, thereby ensuring the implementation of automation; the peripheral equipment cabinet can protect the various internal mechanisms to ensure safe testing; the testing mechanism, lifting mechanism and width-adjustable feeding mechanism are easy to install and disassemble, and can be modularly replaced and repaired, thereby improving the reliability of the equipment; at the same time, various sensors and detection elements are reasonably set to ensure the orderliness of conveying and the stability of testing, ensure the smooth operation of the test process, and improve test efficiency; a touch-screen display unit is set to facilitate automated monitoring and operation, thereby improving the work efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 This is a schematic structural diagram of the internal mechanism of a multifunctional multi-station PCB board automated testing device according to one embodiment of the present utility model;

[0049] Figure 2 This is an external schematic diagram of a multifunctional multi-station PCB board automated testing device according to one embodiment of the present utility model;

[0050] Figure 3 This is a structural diagram of a testing mechanism of a multifunctional multi-station PCB board automated testing device according to one embodiment of the present utility model;

[0051] Figure 4 This is a structural diagram of a lifting mechanism and a width-adjusting feeding mechanism at a feeding station of a multifunctional multi-station PCB board automatic testing device according to one embodiment of the present utility model;

[0052] Figure 5 The present invention is a structural diagram of a lifting mechanism and a width-adjusting feeding mechanism at a discharge point of a multifunctional multi-station PCB board automatic testing device according to one embodiment of the present invention.

[0053] Description of Reference Numerals

[0054] 1. Testing organization 2. Testing tooling

[0055] 3. Lifting mechanism 4. Width-adjustable feeding mechanism

[0056] 5. Baseboard 6. Equipment cabinet

[0057] 7. Control mechanism 11. Positioning component

[0058] 12. Downward pressure cylinder assembly 121. Guide rail

[0059] 122, first lifting cylinder 123, second lifting cylinder

[0060] 31. Linear guide 32. Ball screw

[0061] 41. Anti-static conveyor assembly 42. Width adjustment assembly

[0062] 411, supporting substrate 412, conveyor belt

[0063] 413, driving roller 414, tensioning idler

[0064] 421, width adjustment baffle 422, width adjustment guide rail

[0065] 423, width adjustment screw 71, feed sensor

[0066] 72. Discharging sensor 73. Stop cylinder

[0067] 74. Adjustable barcode scanner structure 75. Touch screen display unit

[0068] 76. Deceleration sensor 77. Position sensor

[0069] 78. Anti-reverse sensor DETAILED DESCRIPTION

[0070] The following describes the specific implementation of the embodiment of the present invention in detail with reference to the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the embodiment of the present invention and is not intended to limit the embodiment of the present invention.

[0071] like Figure 1 FIG. 1 is a schematic diagram showing the internal structure of a multifunctional multi-station PCB board automatic testing device according to an embodiment of the present invention; FIG. Figure 2 The figure shows an external schematic diagram of a multifunctional multi-station PCB board automatic testing device according to one embodiment of the present invention; Figure 1 and Figure 2In the figure, the multifunctional multi-station PCB board automatic testing equipment includes multiple testing mechanisms 1, two lifting mechanisms 3, multiple width-adjustable feeding mechanisms 4, an equipment cabinet 6 and a control mechanism 7; specifically, the multiple testing mechanisms 1 can be stacked and arranged in a vertical direction, and the testing mechanism 1 is provided with a replaceable testing tooling 2, the two lifting mechanisms 3 can be respectively arranged on the feeding side and the discharging side of the testing mechanism 1, the multiple width-adjustable feeding mechanisms 4 can be arranged on the base plate 5 of the testing mechanism 1 and the lifting mechanism 3 along the conveying direction of the PCB board, the equipment cabinet 6 can be mounted on the outside of the testing mechanism 1, the lifting mechanism 3 and the width-adjustable feeding mechanism 4 to protect each mechanism, and the control mechanism 7 can be electrically connected to the testing mechanism 1, the lifting mechanism 3 and the width-adjustable feeding mechanism 4 to control the conveying and testing of the PCB board.

[0072] Through the above technical solution, the test equipment is equipped with multiple test mechanisms to meet the multi-station testing of PCB boards, thereby improving work efficiency. At the same time, replaceable test tooling can be set on the test mechanism to meet different testing requirements and improve functional diversity. A control mechanism is provided to control and adjust the coordination between the adjustable width conveying mechanism and the test mechanism to meet the compatible conveying and testing of PCB boards of different widths, thereby ensuring the implementation of automation. At the same time, an equipment cabinet is provided to protect the internal mechanisms. The test mechanism, lifting mechanism, and width-adjustable feeding mechanism are easy to install and disassemble, and can be modularly replaced and repaired, thereby improving the reliability of the equipment.

[0073] like Figure 3 The figure shows a schematic structural diagram of a test mechanism of a multifunctional multi-station PCB board automated testing device according to one embodiment of the present invention. In order to realize the adjustment test of the PCB board by the test mechanism 1, in one embodiment of the present invention, the test mechanism 1 may include a base plate 5, a positioning assembly 11 and a downward pressure cylinder assembly 12. The positioning assembly 11 can be fixedly set on the base plate 5, and the testing tool 2 can be placed on the positioning assembly 11. The downward pressure cylinder assembly 12 can be set above the positioning assembly 11 to push the testing tool 2 into contact with the PCB board to realize the adjustment test of the PCB board.

[0074] exist Figure 3 In order to facilitate the replacement of the test tool 2 and avoid malfunction of the test tool 2 during replacement; in one embodiment of the present invention, the positioning assembly 11 may include two positioning vertical plates, a floating stopper and a self-locking button plunger. The positioning vertical plates can be vertically arranged on both sides of the test tool, and the floating stopper can be arranged at one end of the test tool close to the discharge side of the test mechanism, which can be used to prevent the test tool from shifting during replacement. The self-locking button plunger can be arranged on the positioning vertical plates for positioning and replacing the test tool 2.

[0075] Figure 4This is a structural diagram of a lifting mechanism and a width-adjusting feeding mechanism at a feeding portion of a multifunctional multi-station PCB board automatic testing device according to one embodiment of the present invention; Figure 4 In order to meet the needs of PCB board transportation on the workstations of multiple testing mechanisms 1, in one embodiment of the present invention, the lifting mechanism 3 may include a linear guide 31, a ball screw 32 and a base plate 5. The linear guide 31 can be vertically arranged close to one side of the testing mechanism 1; the ball screw 32 can be vertically arranged on the side of the linear guide 31 away from the testing mechanism 1, and at the same time connected to an external motor drive; the base plate 5 can be vertically connected to the ball screw 32. The base plate 5 is used to fix the width-adjusting conveying mechanism 4, and moves up and down with the drive of the ball screw 32 to realize the transportation of PCB boards to the upper and lower workstations.

[0076] Figure 5 This is a structural diagram of a lifting mechanism and a width-adjusting feeding mechanism at a discharge point of a multifunctional multi-station PCB board automatic testing device according to one embodiment of the present invention; Figure 5 In order to meet the compatible conveying of PCB boards of different widths, in one embodiment of the present invention, the width-adjustable feeding mechanism 4 may include an anti-static conveying component 41 and a width-adjusting component 42, and the anti-static conveying component 41 is used to convey the PCB board; the width-adjusting component 42 can be fixedly arranged on the substrate 5, and the width-adjusting component 42 drives the connection anti-static conveying component 41 to adjust the width of the anti-static conveying component 41; the width of the anti-static conveying component 41 can be adjusted according to the model of the PCB board to be tested before testing.

[0077] exist Figure 5 In order to safely and smoothly convey the PCB board, in one embodiment of the present utility model, the anti-static conveying component 41 includes two supporting substrates 411, a conveying sheet base belt 412, two driving rollers 413 and a tensioning idler wheel 414; the two supporting substrates 411 can be arranged opposite to each other, and one supporting substrate 411 can be fixedly arranged on one side of the substrate 5, and the other supporting substrate 411 is slidably connected to the width adjustment component 42; the conveying sheet base belt 412 can be arranged on the top of the supporting substrate for placing and conveying the PCB board; the two driving rollers 413 can be respectively arranged at the two ends of the top of the supporting substrate 411, and are transmission-connected to the conveying sheet base belt 412, and are connected to the external motor drive to drive the conveying sheet base belt 412 to move forward; the tensioning idler wheel 414 can be arranged on the supporting substrate 411, and is transmission-connected to the conveying sheet base belt 412 to avoid slipping and jumping of the conveying sheet base belt 412, ensure smooth transmission of the conveying sheet base belt 412, and extend the service life of the conveying sheet base belt 412.

[0078] exist Figure 5In order to achieve the compatible conveying of PCB boards of different widths for the anti-static conveying component 41, in one embodiment of the present invention, the width adjustment component 42 may include a width adjustment baffle 421, a width adjustment guide rail 422 and a width adjustment screw rod 423; the width adjustment baffle 421 can be arranged on the other side of the substrate 5, one end of the width adjustment guide rail 422 can be connected to the width adjustment baffle 421, and the other end of the width adjustment guide rail 422 can be connected to the supporting substrate 411 arranged on one side of the substrate 5, so that the width adjustment guide rail 422 is stationary relative to the substrate 5, and the other supporting substrate 411 can be slidably connected to the width adjustment guide rail 422; one end of the width adjustment screw rod 423 can be connected to the width adjustment baffle 421, and the other end of the width adjustment screw rod 423 can be connected to the supporting substrate 411 arranged on one side of the substrate 5, and the width adjustment screw rod 423 drives the other supporting substrate 411 to slide along the width adjustment guide rail 422 to complete the width adjustment of the anti-static conveying component 41, thereby meeting the compatible conveying of PCB boards of different widths.

[0079] exist Figure 2 、 3 And in 5, in order to control and adjust the conveying of PCB boards, and timely display and monitor the conveying process of PCB boards, to ensure that the PCB boards run smoothly and orderly during the conveying process; in one embodiment of the present utility model, the control mechanism 7 includes multiple groups of feed sensors 71 and discharge sensors 72, a stop cylinder 73, an adjustable barcode scanning gun structure 74 and a touch screen display unit 75. The multiple groups of feed sensors 71 and discharge sensors 72 can be respectively arranged at the two ends of the substrate 5 of the testing mechanism 1 and the lifting mechanism 3 to sense the transmission of PCB boards and ensure the orderliness of the PCB board transmission process; the stop cylinder 73 can be arranged at one end of the substrate 5 close to the discharge sensor 72 to achieve the stable stopping of the PCB board; the adjustable barcode scanning gun structure 74 can be arranged on the substrate 5 of the lifting mechanism 3 to record the test data of the PCB board and ensure the orderliness of the test; the touch screen display unit 74 can be arranged on the outer cabinet wall of the equipment cabinet 6 to facilitate the operation of the PCB board and display the test process and information of the PCB board, so as to achieve real-time monitoring of the PCB board.

[0080] exist Figure 2 、 3And in 5, in order to meet the conveying requirements of the PCB board on the test mechanism 3 and avoid the PCB board from being placed in the wrong direction, in one embodiment of the present utility model, the control mechanism 7 can also include a deceleration sensor 76, an in-position sensor 77 and an anti-reverse sensor 78; the deceleration sensor 76 can be arranged on the middle part of the test mechanism 1 to adjust the conveying speed of the width-adjusting feeder mechanism 4 on the test mechanism 1; the in-position sensor 77 can be arranged behind the deceleration sensor 76 along the conveying direction of the PCB board to stop the conveying of the width-adjusting feeder mechanism 4 on the test mechanism 1; the anti-reverse sensor 78 can be arranged behind the in-position sensor 77 along the conveying direction of the PCB board to detect the placement direction of the PCB board; the mutual cooperation of the deceleration sensor 76, the in-position sensor 77 and the anti-reverse sensor 78 can ensure that the PCB board can complete the preparation for the test in the test mechanism. When the anti-reverse sensor 78 detects that the placement direction of the PCB board is reversed, it stops and alarms, thereby improving the safety and efficiency of the test.

[0081] Through the above technical solution, the automated testing equipment is equipped with multiple testing mechanisms to meet the multi-station testing of PCB boards, thereby improving work efficiency; at the same time, replaceable test tooling can be set on the testing mechanism to meet different testing requirements and improve functional diversity; and a control mechanism is set to control and adjust the coordination between the adjustable width conveying mechanism and the testing mechanism to meet the compatible conveying and testing of PCB boards of different widths, thereby ensuring the implementation of automation; the peripheral equipment cabinet can protect the various internal mechanisms to ensure safe testing; the testing mechanism, lifting mechanism and width-adjustable feeding mechanism are easy to install and disassemble, and can be modularly replaced and repaired, thereby improving the reliability of the equipment; at the same time, various sensors and detection elements are reasonably set to ensure the orderliness of conveying and the stability of testing, ensure the smooth operation of the test process, and improve test efficiency; a touch-screen display unit is set to facilitate automated monitoring and operation, thereby improving the work efficiency of the equipment.

[0082] The preferred embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all fall within the scope of protection of the present invention. It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0083] In addition, the various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A multifunctional multi-station PCB board automatic testing equipment, characterized in that: The testing equipment includes: A plurality of testing mechanisms, wherein the plurality of testing mechanisms are stacked and arranged in a vertical direction, the testing mechanisms are used to test the PCB board, and the testing mechanisms are provided with replaceable testing fixtures; Two lifting mechanisms are respectively arranged on the feeding side and the discharging side of the testing mechanism; Multiple width-adjustable feeding mechanisms are provided on the base plates of the testing mechanism and the lifting mechanism along the conveying direction of the PCB boards, and are used to accommodate and convey PCB boards of different widths; An equipment cabinet, which is sleeved on the outside of the testing mechanism, the lifting mechanism, and the width-adjustable feeding mechanism; The control mechanism is electrically connected to the testing mechanism, the lifting mechanism, and the width-adjustable feeding mechanism to control the conveying and testing of the PCB board.

2. The testing device according to claim 1, characterized in that The testing organization includes: substrate; A positioning assembly, fixedly disposed on the base plate, for placing the test fixture; A downward pressing cylinder assembly is provided above the positioning assembly and is used to push the test fixture into contact with the PCB board.

3. The testing device according to claim 2, characterized in that The positioning component includes: Two positioning vertical plates are vertically arranged on both sides of the test fixture; A floating stopper is provided at one end of the test fixture near the discharge side of the test mechanism; A self-locking button plunger is provided on the positioning vertical plate and is used for positioning and replacing the test fixture.

4. The testing device according to claim 2, characterized in that The downward pressure cylinder assembly includes: Two guide rails are vertically arranged on both sides of the base plate; a first lifting cylinder, drivingly connected to the guide rail; The second lifting cylinder is driven and connected to the guide rail, and the second lifting cylinder is fixedly connected to the width-adjusting feeding mechanism provided on the testing mechanism, and is used for adjusting the contact and conduction between the PCB board connection and the testing fixture.

5. The testing device according to claim 1, characterized in that The lifting mechanism comprises: A linear guide rail, the linear guide rail being vertically arranged close to one side of the testing mechanism; A ball screw, the ball screw being vertically arranged on a side of the linear guide rail away from the testing mechanism and being connected to an external motor drive; The base plate is vertically connected to the ball screw and is used to fix the width-adjustable feeding mechanism.

6. The testing device according to claim 1, wherein: The width-adjustable feeding mechanism comprises: An anti-static conveying assembly, the anti-static conveying assembly being used to convey the PCB board; The width-adjusting component is fixedly arranged on the substrate, and the width-adjusting component is driven and connected to the anti-static conveying component to adjust the width of the anti-static conveying component.

7. The testing device according to claim 6, characterized in that The anti-static conveying assembly comprises: Two supporting substrates, the two supporting substrates are arranged opposite to each other, with one supporting substrate fixedly arranged on one side of the substrate and the other supporting substrate being slidably connected to the width adjustment component; A conveyor belt is provided on top of the supporting substrate and is used for placing and conveying the PCB board; Two driving rollers are respectively arranged at the two ends of the top of the supporting base plate, are connected to the conveying sheet base belt, and are connected to the external motor drive; The tensioning idler wheel is arranged on the supporting base plate and is drivingly connected to the conveying sheet base belt.

8. The testing device according to claim 7, characterized in that The width adjustment component includes: a width-adjusting baffle, the width-adjusting baffle being arranged on the other side of the substrate; A width-adjusting guide rail, one end of which is connected to the width-adjusting baffle, the other end of which is connected to the supporting base plate provided on one side of the base plate, and the other supporting base plate is slidably connected to the width-adjusting guide rail; A width adjustment screw rod, one end of which is connected to the width adjustment baffle, and the other end of which is connected to the supporting substrate arranged on one side of the substrate, and the width adjustment screw rod drives the other supporting substrate to slide along the width adjustment guide rail to complete the width adjustment of the anti-static conveying component.

9. The testing device according to claim 1, characterized in that The control mechanism includes: Multiple groups of feed sensors and discharge sensors are respectively arranged at both ends of the base plate of the testing mechanism and the lifting mechanism; A stopping cylinder is provided at one end of the base plate close to the discharge sensor; An adjustable barcode scanning gun structure is provided on the base plate of the lifting mechanism and is used to record the test data of the PCB board; A touch screen display unit is arranged on the outer cabinet wall of the equipment cabinet to facilitate the operation of the PCB board and display the test progress and information of the PCB board.

10. The testing device according to claim 9, characterized in that The control mechanism further comprises: A deceleration sensor is provided on the middle portion of the testing mechanism and is used to adjust the conveying speed of the width-adjustable feeding mechanism on the testing mechanism; an in-position sensor, arranged behind the deceleration sensor along the conveying direction of the PCB board, for stopping the conveying of the width-adjustable feeding mechanism on the testing mechanism; The anti-reverse sensor is arranged behind the in-place sensor along the conveying direction of the PCB board and is used to detect the placement direction of the PCB board.

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