Automatic on-off detection equipment for PCB (Printed Circuit Board)

Abstract

The invention relates to an on-off automatic detection device for a PCB, and the device comprises a test rack which is provided with a PCB test mechanism, and the PCB test mechanism is used for the on-off detection of the PCB; the transfer rack is used for receiving the PCB, and the PCB transfer mechanism can turn over the PCB; and the PCB carrying mechanism is used for carrying the PCB between the PCB transfer mechanism and the PCB testing mechanism. According to the automatic on-off detection equipment for the PCB, the PCB to be detected is automatically taken and placed through the linkage assembly of the three working units of the PCB testing mechanism, the PCB transfer mechanism and the PCB carrying mechanism, detection can be carried out according to a fixed beat through setting of the control system, detection errors are avoided, and the detection efficiency is improved. Or the problem that the PCB testing mechanism is not triggered to be pressed on the PCB to be tested is avoided, and the detection efficiency and the detection reliability of the PCB are effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of printed circuit boards, in particular to an automatic on / off detection device for a PCB board. Background Art

[0002] PCB is called printed circuit board, also known as printed circuit board, which is an important electronic component, a support for electronic components, and a carrier for the electrical connection of electronic components. It uses a specific manufacturing process and combines components into a complete electronic circuit according to the method of multi-layer wiring or tunnel wiring. After the integrated PCB is manufactured, its function needs to be tested to check whether the functions of the electronic components on the PCB are normal. The detection efficiency and accuracy of the PCB are particularly important.

[0003] In general production lines, visual inspection workers are required to inspect the PCB boards to be inspected one by one, which is labor-intensive, inefficient and misses many defects. Manual methods are used to detect whether the circuits of various parts of the PCB boards meet the design parameter requirements. The inspection speed is slow and cannot meet the needs of rapid inspection, resulting in relatively low work efficiency. No matter in terms of inspection speed, efficiency or cost control, it is not satisfactory, which brings difficulties to the large-scale integrated production of enterprises. Summary of the invention

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the problem in the prior art that manual inspection of PCB boards is time-consuming and labor-intensive, has a low speed, and reduces the production efficiency of PCB boards.

[0005] In order to solve the above technical problems, the present invention provides an automatic detection device for the on-off circuit of a PCB board, comprising: a test rack, on which a plurality of PCB board test mechanisms are arranged, and the PCB board test mechanisms are used for the on-off circuit detection of the PCB board; a transfer rack, which is located on one side of the test rack, and the transfer rack is provided with at least one PCB board transfer mechanism, and the PCB board transfer mechanism is used to receive the PCB board, and the PCB board transfer mechanism can flip the PCB board; a PCB board transport mechanism, which is arranged on the test rack, and the PCB board transport mechanism is used to transport the PCB board between the PCB board transfer mechanism and the PCB board test mechanism. The automatic detection device for the on-off circuit of the PCB board of the present invention realizes automatic placement of the PCB board to be tested through the linkage assembly of the three working units of the PCB board test mechanism, the PCB board transfer mechanism and the PCB board transport mechanism, and can perform detection according to a fixed beat through the setting of the control system, so as to avoid detection errors, or avoid the problem that the PCB board test mechanism is not triggered to press on the PCB board to be tested, and effectively improves the detection efficiency and detection reliability of the PCB circuit board.

[0006] In one embodiment of the present invention, the PCB board transfer mechanism includes a transfer in-and-out linear module, a transfer moving plate, a lifting cylinder mounting plate, a transfer lifting cylinder, a rotating cylinder mounting plate, a rotating cylinder, a plurality of transfer nozzles, a transfer nozzle mounting plate and a PCB board material receiving assembly, the transfer in-and-out linear module is fixedly arranged on the transfer frame, the transfer moving plate is connected to the slider of the transfer in-and-out linear module, and the transfer moving plate is slidably connected to the transfer frame, the lifting cylinder mounting plate is vertically arranged on the transfer moving plate, the transfer lifting cylinder is mounted on the lifting cylinder mounting plate, the rotating cylinder mounting plate is connected to the piston rod of the transfer lifting cylinder, the rotating cylinder is mounted on the rotating cylinder mounting plate, the transfer nozzle mounting plate is connected to the rotating cylinder, the plurality of transfer nozzles are mounted on the transfer nozzle mounting plate, the PCB board material receiving assembly is arranged on the transfer frame, and the PCB board material receiving assembly is used to receive the PCB boards adsorbed on the plurality of transfer nozzles.

[0007] In one embodiment of the present invention, the PCB board receiving assembly includes a feeding drive cylinder, a right-angle connecting plate, a feeding slide plate, a PCB board fixture, a linear guide rail and a slider. The feeding drive cylinder and the slider are both fixedly arranged on a transfer frame. The piston rod of the feeding drive cylinder is connected to the feeding slide plate through a right-angle connecting plate. The linear guide rail is installed on the feeding slide plate, and the linear guide rail and the slider are slidably connected. The PCB board fixture is installed on the feeding slide plate, and the PCB board fixture is used to place the PCB board.

[0008] In one embodiment of the present invention, a second linear guide rail is provided on the transfer frame, a second slider is connected to the transfer moving plate, the second slider is connected to the second linear guide rail, and the second slider can slide along the second linear guide rail.

[0009] In one embodiment of the present invention, the PCB board transporting mechanism includes a transport lifting linear module, a transport lifting plate, a transport horizontal linear module, a transport horizontal plate, a transport rotating cylinder, a transport nozzle mounting plate and a plurality of transport nozzles. The transport lifting linear module is fixedly arranged on a test frame, the transport lifting plate is connected to a slider of the transport lifting linear module, and the transport lifting plate is slidably connected to the test frame, the transport horizontal linear module is arranged on the transport lifting plate, the transport horizontal plate is connected to a slider of the transport horizontal linear module, the transport rotating cylinder is installed on the transport horizontal plate, the transport nozzle mounting plate is connected to the transport rotating cylinder, the plurality of transport nozzles are installed on the transport nozzle mounting plate, and the plurality of transport nozzles are used to adsorb PCB boards.

[0010] In one embodiment of the present invention, a vertical linear guide rail is provided on the test rack, a vertical slider is connected to the transport lifting plate, the vertical slider is connected to the vertical linear guide rail, and the vertical slider can slide along the vertical linear guide rail.

[0011] In one embodiment of the present invention, the PCB board testing mechanism includes a U-shaped support frame, a detection lifting assembly and a detection entry and exit assembly, the U-shaped support frame and the detection entry and exit assembly are both arranged on a test frame, the detection lifting assembly is arranged on the U-shaped support frame, the detection entry and exit assembly is used to receive a PCB board, and the detection lifting assembly is pressed down to the PCB board on the detection entry and exit assembly for detection.

[0012] In one embodiment of the present invention, the detection in and out component includes a detection in and out drive cylinder, a slider three, a linear guide three, an in and out movable plate, a detection support plate, a detection base plate and four PCB board limit blocks. The detection in and out drive cylinder and the slider three are fixedly arranged on the test frame, the piston rod of the detection in and out drive cylinder is connected to the in and out movable plate, the lower end of the in and out movable plate is connected to the linear guide three, the linear guide three and the slider three are slidably connected, the detection support plate is fixedly installed on the in and out movable plate, the detection base plate is fixedly arranged on the detection support plate, the four PCB board limit blocks are all arranged on the detection base plate, and the four PCB board limit blocks are located at the four corner positions of the rectangular cross-section, and a PCB board is arranged within the range surrounded by the four PCB board limit blocks.

[0013] In one embodiment of the present invention, the detection lifting assembly includes a detection lifting drive cylinder, an upper connecting plate, a connecting column, a lower connecting plate, a probe mounting plate and a plurality of detection probes. The detection lifting drive cylinder is fixedly arranged on a U-shaped support frame, and the piston rod of the detection lifting drive cylinder is connected to the upper connecting plate, the upper connecting plate is connected to the lower connecting plate through the connecting column, the probe mounting plate is connected to the lower connecting plate, the plurality of detection probes are mounted on the probe mounting plate, and the plurality of detection probes are used for PCB board detection.

[0014] In one embodiment of the present invention, a barcode scanner and a laser rangefinder are provided above the U-shaped support frame, the barcode scanner is used to scan the PCB board, and the laser rangefinder is used to detect the distance of the PCB board on the detection base plate.

[0015] The above technical solution of the present invention has the following beneficial effects compared with the prior art: In the automatic on-off detection device for PCB boards of the present invention, a manipulator places a PCB board on one of the positions of a PCB board transfer mechanism, a transfer in-and-out module transports a carrier to a material fetching position, and then the transfer in-and-out module descends to suck the PCB board, the transfer lifting module rises, the transfer rotating module rotates 180 degrees to turn the PCB over, the lifting module in the PCB board transport mechanism descends to suck the PCB, then the rotating module in the PCB board transport mechanism rotates 180 degrees to place the PCB toward one side of a PCB board testing mechanism, the rotating module in the PCB board transport mechanism moves horizontally to align with the PCB board placement position on the PCB board testing mechanism, the lifting module of the PCB board transport mechanism descends, the PCB board to be detected is placed on the test platform carrier, the detection in-and-out module retracts to the position to be detected, the detection lifting module descends, and a on-off test is performed on the PCB, and these actions are performed in sequence to realize automatic detection of the PCB. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below according to specific embodiments of the present invention in conjunction with the accompanying drawings, wherein Figure 1 It is a schematic diagram of the overall structure of the automatic detection device for the on / off circuit of a PCB board in a preferred embodiment of the present invention; Figure 2 The structure of the PCB board transfer mechanism in the preferred embodiment of the present invention is shown in FIG. Figure 1 ; Figure 3 The structure of the PCB board transfer mechanism in the preferred embodiment of the present invention is shown in FIG. Figure 2 ; Figure 4 The structure of the PCB board material connection assembly in the preferred embodiment of the present invention is shown in FIG. Figure 1 ; Figure 5 The structure of the PCB board material connection assembly in the preferred embodiment of the present invention is shown in FIG. Figure 2 ; Figure 6 This is a structural schematic diagram of a PCB board transport mechanism in a preferred embodiment of the present invention; Figure 7 This is an enlarged view of the PCB board transport mechanism in the preferred embodiment of the present invention; Figure 8 The structure of the PCB board testing mechanism in the preferred embodiment of the present invention is shown in FIG. Figure 1 ; Fig. 9 The structure of the PCB board testing mechanism in the preferred embodiment of the present invention is shown in FIG. Figure 2 .

[0017] Description of the accompanying drawings in the specification: PCB board testing mechanism 1, U-shaped support frame 11, detection lifting assembly 12, detection lifting drive cylinder 121, upper connecting plate 122, connecting column 123, lower connecting plate 124, positioning column 1241, probe mounting plate 125, detection probe 126, guide column 127, guide sleeve 128, detection in and out assembly 13, detection in and out drive cylinder 131, slider three 132, linear guide three 133, in and out moving plate 134, detection support plate 135, positioning hole 1351, detection bottom plate 136, PCB board limit block 137, barcode scanner 14, laser rangefinder 15, PCB board transfer mechanism 2, transfer in and out linear module 21, transfer moving plate 22, slider two 221, lifting cylinder mounting plate 23, transfer Lifting cylinder 24, rotating cylinder mounting plate 25, rotating cylinder 26, transfer nozzle 27, transfer nozzle mounting plate 28, PCB board receiving assembly 29, feeding drive cylinder 291, right-angle connecting plate 292, feeding slide plate 293, PCB board fixture 294, linear guide 1 295, slider 1 296, fixture base plate 297, PCB board support plate 298, support block 299, right-angle step 2991, PCB board transport mechanism 3, transport lifting linear module 31, transport lifting plate 32, vertical slider 321, transport horizontal linear module 33, transport horizontal plate 34, transport rotating cylinder 35, transport nozzle mounting plate 36, transport nozzle 37, test rack 100, vertical linear guide 101, transfer rack 200, linear guide 2 201. DETAILED DESCRIPTION

[0018] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0019] Reference Figure 1 As shown, the automatic detection device for the on-off circuit of a PCB board of the present invention comprises: three module units of a PCB board testing mechanism 1, a PCB board transfer mechanism 2 and a PCB board conveying mechanism 3; a test rack 100, on which a plurality of PCB board testing mechanisms 1 are arranged, and the PCB board testing mechanisms 1 are used for on-off circuit detection of PCB boards; a transfer rack 200, which is located on one side of the test rack 100, and at least one PCB board transfer mechanism 2 is arranged on the transfer rack 200, and the PCB board transfer mechanism 2 is used to receive a PCB board, and the PCB board transfer mechanism 2 can flip the PCB board; a PCB board conveying mechanism 3, which is arranged on the test rack 100, and the PCB board conveying mechanism 3 is used to convey the PCB board between the PCB board transfer mechanism 2 and the PCB board testing mechanism 1.

[0020] Reference Figure 2 , 3As shown, the PCB board transfer mechanism 2 includes a transfer in-and-out linear module 21, a transfer moving plate 22, a lifting cylinder mounting plate 23, a transfer lifting cylinder 24, a rotating cylinder mounting plate 25, a rotating cylinder 26, a plurality of transfer suction nozzles 27, a transfer suction nozzle mounting plate 28 and a PCB board receiving assembly 29. The transfer in-and-out linear module 21 is fixedly arranged on the transfer frame 200, the transfer moving plate 22 is connected to the slider of the transfer in-and-out linear module 21, and the transfer moving plate 22 is slidably connected to the transfer frame 200, and the lifting cylinder mounting plate 23 is vertically connected to the transfer frame 200. The transfer lifting cylinder 24 is mounted on the lifting cylinder mounting plate 23, the rotating cylinder mounting plate 25 is connected to the piston rod of the transfer lifting cylinder 24, the rotating cylinder 26 is mounted on the rotating cylinder mounting plate 25, the transfer nozzle mounting plate 28 is connected to the rotating cylinder 26, the plurality of transfer nozzles 27 are mounted on the transfer nozzle mounting plate 28, the PCB board receiving assembly 29 is arranged on the transfer rack 200, and the PCB board receiving assembly 29 is used to receive the PCB boards adsorbed on the plurality of transfer nozzles 27. When the PCB board is loaded for testing, the transfer in-and-out linear module 21 drives the transfer moving plate 22 to move, and moves the plurality of transfer nozzles 27 to the material picking position of the PCB board, that is, at this time, the transfer nozzle mounting plate 28 is away from the PCB board receiving assembly 29, and the rotary cylinder 26 drives the plurality of transfer nozzles 27 to be set upward, and the manipulator takes the PCB board off the production line and places it on the plurality of transfer nozzles 27, and the plurality of transfer nozzles 27 start negative pressure to absorb the PCB board, and the transfer lifting cylinder 24 drives the plurality of transfer nozzles 27 to rise, thereby lifting the PCB board to a certain height. The transfer nozzles 27 move to the lower part of the PCB board and the transfer nozzles 27 move to the lower part of the PCB board. The transfer nozzles 27 move to the lower part of the PCB board and the transfer nozzles 27 move to the lower part of the PCB board. The transfer nozzles 27 move to the lower part of the PCB board and the transfer nozzles 27 move to the lower part of the PCB board. The transfer nozzles 27 move to the lower part of the PCB board and the transfer nozzles 27 move to the lower part of the PCB board.

[0021] Reference Figure 4 , 5As shown, the PCB board receiving assembly 29 includes a feeding drive cylinder 291, a right-angle connecting plate 292, a feeding slide plate 293, a PCB board fixture 294, a linear guide rail 295 and a slider 296. The feeding drive cylinder 291 and the slider 296 are fixedly arranged on the transfer rack 200. The piston rod of the feeding drive cylinder 291 is connected to the feeding slide plate 293 through the right-angle connecting plate 292. The linear guide rail 295 is installed on the feeding slide plate 293, and the linear guide rail 295 and the slider 296 are slidably connected. The PCB board fixture 294 is installed on the feeding slide plate 293, and the PCB board fixture 294 is used to place the PCB board. The telescopic direction of the piston rod of the feeding drive cylinder 291 is along the direction close to or away from the test rack 100, and the linear guide rail 295 and the telescopic direction of the piston rod of the feeding drive cylinder 291 are arranged in parallel. After a plurality of transfer nozzles 27 release the PCB board onto the PCB board jig 294, the piston rod of the feeding drive cylinder 291 drives the PCB board jig 294 to move toward the PCB board conveying mechanism 3, so that the PCB board conveying mechanism 3 can take the material. The PCB board jig 294 includes a jig bottom plate 297 and a PCB board support plate 298, the jig bottom plate 297 is connected to the feeding slide plate 293, the PCB board support plate 298 is fixedly arranged on the jig bottom plate 297, the PCB board support plate 298 is a rectangular flat plate, the middle of the PCB board support plate 298 is a hollow structure, and the four corners of the PCB board support plate 298 are provided with support blocks 299, the corners of the support blocks 299 close to the center of the PCB board support plate 298 are provided with right-angle steps 2991, and the corners of the PCB board are placed on the right-angle steps 2991.

[0022] In the above structure, the transfer frame 200 is provided with a second linear guide rail 201 , the transfer moving plate 22 is connected with a second slider 221 , the second slider 221 is connected to the second linear guide rail 201 , and the second slider 221 can slide along the second linear guide rail 201 .

[0023] Reference Figure 6 , 7As shown, the PCB board handling mechanism 3 includes a handling lifting linear module 31, a handling lifting plate 32, a handling horizontal linear module 33, a handling horizontal plate 34, a handling rotary cylinder 35, a handling nozzle mounting plate 36 and a plurality of handling nozzles 37. The handling lifting linear module 31 is fixedly arranged on the test frame 100, the handling lifting plate 32 is connected to the slider of the handling lifting linear module 31, and the handling lifting plate 32 is slidably connected to the test frame 100, the handling horizontal linear module 33 is arranged on the handling lifting plate 32, the handling horizontal plate 34 is connected to the slider of the handling horizontal linear module 33, the handling rotary cylinder 35 is installed on the handling horizontal plate 34, the handling nozzle mounting plate 36 is connected to the handling rotary cylinder 35, and the plurality of handling nozzles 37 are installed on the handling nozzle mounting plate 36, and the plurality of handling nozzles 37 are used to adsorb PCB boards. The handling lifting linear module 31 and the handling horizontal linear module 33 constitute a two-axis moving system that moves in two directions, respectively realizing the change of vertical lifting and horizontal position. Through the coordination of the transport lifting linear module 31 and the transport horizontal linear module 33, a plurality of transport nozzles 37 can be driven to move to the material taking position and the material loading position, and the PCB board is transferred between the PCB board transfer mechanism 2 and the PCB board testing mechanism 1. The transport rotary cylinder 35 drives the transport nozzle mounting plate 36 to rotate to different angles, so that a plurality of transport nozzles 37 can be moved to one side of the PCB board fixture 294 or one side of the PCB board testing mechanism 1.

[0024] In the above structure, the test rack 100 is provided with a vertical linear guide rail 101 , and the transport lifting plate 32 is connected with a vertical slider 321 . The vertical slider 321 is connected to the vertical linear guide rail 101 , and the vertical slider 321 can slide along the vertical linear guide rail 101 .

[0025] Reference Figure 8 , 9 As shown, the PCB board testing mechanism 1 includes a U-shaped support frame 11, a detection lifting assembly 12 and a detection entry and exit assembly 13. The U-shaped support frame 11 and the detection entry and exit assembly 13 are both arranged on a test frame 100. The detection lifting assembly 12 is arranged on the U-shaped support frame 11. The detection entry and exit assembly 13 is used to receive a PCB board. The detection lifting assembly 12 is pressed down to the PCB board on the detection entry and exit assembly 13 for detection.

[0026] Reference Figure 8 , 9As shown, the detection in-and-out component 13 includes a detection in-and-out driving cylinder 131, a slider three 132, a linear guide three 133, an in-and-out moving plate 134, a detection support plate 135, a detection base plate 136 and four PCB board limit blocks 137. The detection in-and-out driving cylinder 131 and the slider three 132 are all fixedly arranged on the test frame 100. The piston rod of the detection in-and-out driving cylinder 131 is connected to the in-and-out moving plate 134. The lower end of the in-and-out moving plate 134 is connected to the linear guide three 133. The linear guide three 133 and the slider three 132 are slidably connected. The detection support plate 135 is fixedly installed on the in-and-out moving plate 134. The detection base plate 136 is fixedly arranged on the detection support plate 135. The four PCB board limit blocks 137 are all arranged on the detection base plate 136, and the four PCB board limit blocks 137 are located at the four corner positions of the rectangular cross-section. A PCB board is arranged within the range surrounded by the four PCB board limit blocks 137. The piston rod of the detection in-and-out driving cylinder 131 is extended to push the in-and-out movable plate 134 to move linearly, thereby moving the detection base plate 136 with the PCB board placed on it to the loading and unloading position or directly below the detection lifting assembly 12. When the PCB board is directly below the detection lifting assembly 12, the detection lifting assembly 12 detects the PCB board.

[0027] Reference Figure 8 , 9 As shown, the detection lifting assembly 12 includes a detection lifting drive cylinder 121, an upper connecting plate 122, a connecting column 123, a lower connecting plate 124, a probe mounting plate 125 and a plurality of detection probes 126. The detection lifting drive cylinder 121 is fixedly arranged on the U-shaped support frame 11, and the piston rod of the detection lifting drive cylinder 121 is connected to the upper connecting plate 122, the upper connecting plate 122 is connected to the lower connecting plate 124 through the connecting column 123, the probe mounting plate 125 is connected to the lower connecting plate 124, and the plurality of detection probes 126 are installed on the probe mounting plate 125, and the plurality of detection probes 126 are used for PCB board detection. The piston rod of the detection in-and-out driving cylinder 131 extends out, pushing the detection bottom plate 136 with the PCB board to move to the right below the plurality of detection probes 126, and the piston rod of the detection lifting drive cylinder 121 extends out, pushing the probe mounting plate 125 downward, so that the plurality of detection probes 126 are inserted into the specified position of the PCB board to detect the PCB board. The upper connecting plate 122 is connected with a guide column 127, and the U-shaped support frame 11 is provided with a guide sleeve 128, and the guide column 127 and the guide sleeve 128 are slidably connected. The lower connecting plate 124 is connected with a positioning column 1241, and the detection support plate 135 is provided with a positioning hole 1351. After the detection lifting drive cylinder 121 pushes the probe mounting plate 125 down to its position, the positioning column 1241 is inserted into the positioning hole 1351, thereby ensuring the stability of the position between the plurality of detection probes 126 and the PCB board.

[0028] In addition, a barcode scanner 14 and a laser rangefinder 15 are provided above the U-shaped support frame 11. The barcode scanner 14 is used to scan the PCB board, and the laser rangefinder 15 is used to detect the distance of the PCB board on the detection base plate 136. When the piston rod of the detection in-and-out driving cylinder 131 is extended to push the in-and-out moving plate 134 to move linearly, so that the detection base plate 136 with the PCB board is pushed out directly below the plurality of detection probes 126, the barcode scanner 14 and the laser rangefinder 15 detect the PCB board on the detection base plate 136.

[0029] Obviously, the above embodiments are merely examples for clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the protection scope of the invention.

Claims

1. A PCB board on-off automatic detection device, characterized by: include, A test rack, on which a plurality of PCB board test mechanisms are arranged, and the PCB board test mechanisms are used for on-off detection of PCB boards; A transfer rack, which is located on one side of the test rack, and is provided with at least one PCB board transfer mechanism, the PCB board transfer mechanism is used to receive the PCB board, and the PCB board transfer mechanism can flip the PCB board; The PCB board transporting mechanism is arranged on the test rack and is used for transporting the PCB board between the PCB board transfer mechanism and the PCB board testing mechanism.

2. The PCB board on-off automatic detection device according to claim 1 is characterized in that: The PCB board transfer mechanism includes a transfer in-and-out linear module, a transfer moving plate, a lifting cylinder mounting plate, a transfer lifting cylinder, a rotating cylinder mounting plate, a rotating cylinder, a plurality of transfer nozzles, a transfer nozzle mounting plate and a PCB board material receiving assembly. The transfer in-and-out linear module is fixedly arranged on the transfer frame, the transfer moving plate is connected to the slider of the transfer in-and-out linear module, and the transfer moving plate is slidably connected to the transfer frame, the lifting cylinder mounting plate is vertically arranged on the transfer moving plate, the transfer lifting cylinder is mounted on the lifting cylinder mounting plate, the rotating cylinder mounting plate is connected to the piston rod of the transfer lifting cylinder, the rotating cylinder is mounted on the rotating cylinder mounting plate, the transfer nozzle mounting plate is connected to the rotating cylinder, the plurality of transfer nozzles are mounted on the transfer nozzle mounting plate, the PCB board material receiving assembly is arranged on the transfer frame, and the PCB board material receiving assembly is used to receive the PCB boards adsorbed on the plurality of transfer nozzles.

3. The PCB board on-off automatic detection device according to claim 2 is characterized in that: The PCB board receiving assembly includes a feeding drive cylinder, a right-angle connecting plate, a feeding slide plate, a PCB board fixture, a linear guide rail and a slider. The feeding drive cylinder and the slider are both fixedly arranged on the transfer frame. The piston rod of the feeding drive cylinder is connected to the feeding slide plate through the right-angle connecting plate. The linear guide rail is installed on the feeding slide plate, and the linear guide rail and the slider are slidably connected. The PCB board fixture is installed on the feeding slide plate, and the PCB board fixture is used to place the PCB board.

4. The automatic on / off detection device for PCB board according to claim 2 or 3, characterized in that: The transfer frame is provided with a second linear guide rail, the transfer moving plate is connected with a second slider, the second slider is connected to the second linear guide rail, and the second slider can slide along the second linear guide rail.

5. The PCB board on-off automatic detection device according to claim 1 is characterized in that: The PCB board transporting mechanism includes a transport lifting linear module, a transport lifting plate, a transport horizontal linear module, a transport horizontal plate, a transport rotating cylinder, a transport nozzle mounting plate and a plurality of transport nozzles. The transport lifting linear module is fixedly arranged on a test frame, the transport lifting plate is connected to a slider of the transport lifting linear module, and the transport lifting plate is slidably connected to the test frame, the transport horizontal linear module is arranged on the transport lifting plate, the transport horizontal plate is connected to a slider of the transport horizontal linear module, the transport rotating cylinder is installed on the transport horizontal plate, the transport nozzle mounting plate is connected to the transport rotating cylinder, the plurality of transport nozzles are installed on the transport nozzle mounting plate, and the plurality of transport nozzles are used for adsorbing PCB boards.

6. The automatic on / off detection device for PCB board according to claim 5, characterized in that: The test frame is provided with a vertical linear guide rail, the transport lifting plate is connected with a vertical slider, the vertical slider is connected to the vertical linear guide rail, and the vertical slider can slide along the vertical linear guide rail.

7. The automatic on / off detection device for PCB board according to claim 1, characterized in that: The PCB board testing mechanism includes a U-shaped support frame, a detection lifting assembly and a detection in-and-out assembly. The U-shaped support frame and the detection in-and-out assembly are both arranged on a test frame. The detection lifting assembly is arranged on the U-shaped support frame. The detection in-and-out assembly is used to receive a PCB board. The detection lifting assembly is pressed down to the PCB board on the detection in-and-out assembly for detection.

8. The automatic on / off detection device for PCB board according to claim 7, characterized in that: The detection in-and-out component includes a detection in-and-out driving cylinder, a slider three, a linear guide three, an in-and-out movable plate, a detection support plate, a detection base plate and four PCB board limit blocks. The detection in-and-out driving cylinder and the slider three are fixedly arranged on the test frame, the piston rod of the detection in-and-out driving cylinder is connected to the in-and-out movable plate, the lower end of the in-and-out movable plate is connected to the linear guide three, the linear guide three and the slider three are slidably connected, the detection support plate is fixedly installed on the in-and-out movable plate, the detection base plate is fixedly arranged on the detection support plate, the four PCB board limit blocks are all arranged on the detection base plate, and the four PCB board limit blocks are located at the four corner positions of the rectangular cross-section, and a PCB board is arranged within the range surrounded by the four PCB board limit blocks.

9. The automatic on / off detection device for PCB board according to claim 8, characterized in that: The detection lifting assembly includes a detection lifting drive cylinder, an upper connecting plate, a connecting column, a lower connecting plate, a probe mounting plate and a plurality of detection probes. The detection lifting drive cylinder is fixedly arranged on a U-shaped support frame, and the piston rod of the detection lifting drive cylinder is connected to the upper connecting plate, the upper connecting plate is connected to the lower connecting plate through the connecting column, the probe mounting plate is connected to the lower connecting plate, the plurality of detection probes are mounted on the probe mounting plate, and the plurality of detection probes are used for PCB board detection.

10. The automatic on / off detection device for PCB board according to claim 8, characterized in that: A barcode scanning gun and a laser rangefinder are provided above the U-shaped support frame. The barcode scanning gun is used to scan the PCB board, and the laser rangefinder is used to detect the distance of the PCB board on the detection bottom plate.

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