Multi-connecting-plate testing mechanism

Abstract

The invention relates to a multi-connecting-plate testing mechanism, which comprises 16 connecting plates and an integrated connecting plate consisting of 16 PCBs (Printed Circuit Board), the brush gun is fixed to the machine table, a sliding table is arranged on one side of the brush gun and used for controlling and driving the sliding plate to move, and when the 16 connecting plate is placed on the sliding plate, automatic code scanning can be conducted; the jig is fixed on the rack, one end of the jig is provided with a probe, the jig is movably connected with a carrier plate, the carrier plate is provided with a pinhole, and the probe at the lower end of the pinhole penetrates through the pinhole to be in contact with a measuring point of the PCB; one end of the upper needle plate is fixed on the pressing plate, the other end of the upper needle plate is provided with a probe, and the upper needle plate is used for pressing the pressing plate under the action of the driving piece to make the pressing plate contact with a measuring point on the PCB; the automatic testing device has the advantages that the integrated 16 connecting plate composed of 16 PCBs is used, the PCBs only need to be taken or placed once during operation, the operation time can be effectively saved, the automatic code scanning brush gun and the pneumatic press machine table are adopted, automatic testing is achieved, and the testing efficiency is improved. The test efficiency can be improved.

Description

[Technical field]

[0001] The invention relates to the technical field of automation equipment, in particular to a multi-connected board testing mechanism. [Background technology]

[0002] PCB board (printed circuit board), also known as printed circuit board, printed circuit board, is an important electronic component. The quality of PCB determines the quality of electronic components to a large extent. Therefore, in the process of producing PCB boards, detection is a very important link. Through detection, defects that affect functionality such as open circuits and short circuits that are not easily visible can usually be found.

[0003] like Figure 1 The 4-channel single-board test fixture shown is used to test Figure 2 During the test, the operator manually scans the barcode 103 on the PCB board 101 (used to identify the specifications of the PCB board 101 to match the same test data), and then puts the four PCB boards 101 with the scanned barcode 103 into the corresponding positions in the tray 104, and then puts the tray 104 with the small board 101 into the test fixture, and manually presses down the rocker 105, so that the pressure rod 107 connected to the rocker 105 through the fulcrum 106 presses down the pressure plate 108, and then the upper needle plate 109 presses down the tray 104 under the action of the pressure plate 108, so that the probe under the tray 104 passes through the pinhole 111 of the tray 104 and contacts with the measuring point 102 of the PCB board 101, and then the PCB board 101 is connected to the test equipment for testing.

[0004] However, currently this 4-channel single-board test fixture can only test four PCB boards 101 at a time, and after manual code scanning is completed, they need to be placed in the corresponding positions of the tray 104 respectively, and the joystick 105 needs to be manually pressed down during testing, which makes the test efficiency low, labor-intensive, and the process complicated and the test time long.

[0005] In view of this, it is necessary to provide a multi-plate testing mechanism to solve the above problems. [Summary of the invention]

[0006] The technical problem to be solved by the present invention is that a 4-channel single-board test fixture can only test four PCB boards at a time, and after manually scanning the codes, they need to be placed in the corresponding positions of the tray respectively, and the joystick needs to be manually pressed down during the test, which makes the test efficiency low, labor-intensive, and the process complicated and the test time long. Therefore, the present invention provides a multi-board test mechanism to solve the above problems.

[0007] The solution of the present invention to solve the technical problem is: a multi-plate testing mechanism, comprising:

[0008] 16-panel, which is an integrated panel consisting of 16 PCB boards, and is used for taking or placing the PCB boards only once during the testing process, thus saving time;

[0009] A brush gun, the brush gun is fixed on a machine platform on one side of the test mechanism, a slide is provided on one side of the brush gun, a slide is movably provided on the slide, the slide can control the movement of the drive slide, and is used to place the two-dimensional code on the PCB board under the brush gun through the slide for automatic scanning before testing the PCB board, identify the specifications of the PCB board according to the scanned data, and transmit the scanned data to the test equipment;

[0010] A rack, one side of which is provided with a testing device, the testing device is connected to the fixture mechanism through a through-connection plate, and the testing device is used to detect whether the PCB board is qualified;

[0011] A base control panel, which is arranged on one side of the frame and is used to start the driving member to control the driving plate to press downward;

[0012] A sensor, wherein the sensor is fixed to the frame to prevent the operator from being crushed by the pressing plate when placing his hand inside the jig;

[0013] A fixture, wherein the fixture is fixed on a frame, a probe is provided at one end of the fixture, a carrier plate is connected to the side provided with the probe through an elastic member, a positioning hole is provided on the carrier plate, the positioning hole is used to cooperate with a pressure column of an upper needle plate, so that the carrier plate presses down the elastic member connected to the fixture under the action of the pressure column, a positioning groove is provided at one end of the carrier plate provided with the positioning hole, the positioning groove is used to place a 16-connection plate, a pinhole is provided in the positioning groove, and the probe at the lower end of the pinhole passes through the pinhole to contact the measuring point of the PCB board;

[0014] An upper needle plate, one end of which is fixed on the pressure plate, and the other end is provided with a pressure column and a probe, the pressure column is used to press the load plate under the action of the driving member, and the upper needle plate is provided with a probe on the side where the pressure column is provided, and the probe is used to contact with a measuring point on the PCB board, so as to detect the PCB board;

[0015] A driving member, one end of which is fixed with a pressure plate, which presses down the upper needle plate under the control of the driving member, so that the pressure column on the upper needle plate presses down the positioning hole of the carrier plate, and under the action of the elastic member, the probe under the carrier plate can pass through the pinhole on the carrier plate and then contact the measuring point of the PCB board.

[0016] Preferably, the testing device and the fixture mechanism are connected via a plurality of access adapter plates.

[0017] Preferably, the start button in the base control panel uses a double button to start the driving member to control the driving pressure plate to press down, thereby ensuring the safety of the operator.

[0018] Preferably, the sensor is a light sensor.

[0019] Preferably, the elastic member is a spring pin.

[0020] Preferably, the jig can be replaced according to different specifications of PCB boards and is used for testing different PCB boards. A set of replaceable jigs includes a carrier board and an upper needle board.

[0021] Preferably, the pressure plate is a steel pressure plate.

[0022] Preferably, the driving member is a cylinder.

[0023] Preferably, the pressing plate connected to the driving member adopts a fixed sleeve to achieve stability and verticality when pressing down.

[0024] The beneficial effects of the present invention are that a 4-channel single-board test fixture can only test four PCB boards at a time, and a joystick needs to be manually pressed down during the test, which makes the test efficiency low, labor-intensive, and the process complicated and the test time long. The present invention uses an integrated 16-connected board composed of 16 PCB boards, so that the operator only needs to take or place it once during the operation, which can effectively save the operation time, and adopts an automatic code scanning gun and a pneumatic press machine to realize automated testing. It has a simple structure, is easy to operate, and can improve the test efficiency.

Brief Description of the Drawings

[0025] Figure 1 It is a schematic diagram of the structure of a conventional 4-channel single-board test fixture.

[0026] Figure 2 It is a schematic diagram of the structure of a conventional PCB small board placed in a 4-channel single board test tray.

[0027] Figure 3 It is a structural schematic diagram of a multi-connected plate testing mechanism of the present invention.

[0028] Figure 4 It is a structural schematic diagram of the brush gun in the present invention.

[0029] Figure 5 It is a structural schematic diagram of the carrier board in the present invention.

[0030] Figure 6 It is a structural schematic diagram of 16 connected plates in the present invention. [Specific implementation method]

[0031] To further illustrate the technical means and effects adopted by the present invention, the following is a detailed description in conjunction with the embodiments of the present invention and the accompanying drawings.

[0032] The present invention provides a multi-plate testing mechanism, comprising:

[0033] 16-connected board 120, wherein the 16-connected board 120 is an integrated connected board composed of 16 PCB boards 121, and is used for only taking or placing the PCB boards 121 once during the testing process, thereby saving time;

[0034] A brush gun 122, the brush gun 122 is fixed on a machine platform 123 on one side of the test mechanism, a slide 124 is provided on one side of the brush gun 122, a slide plate 125 is movably provided on the slide plate 124, the slide plate 124 can control the movement of the slide plate 125, and is used to place the two-dimensional code 126 on the PCB board 121 under the brush gun 122 through the slide plate 124 before testing the PCB board 121 for automatic scanning, identify the specifications of the PCB board 121 according to the scanned data, and transmit the scanned data to the test equipment 128;

[0035] A rack 127, a testing device 128 is provided on one side of the rack 127, the testing device 128 is connected to the fixture mechanism through a through-adapter plate 129, and the testing device 128 is used to detect whether the PCB board 121 is qualified;

[0036] A base control panel 130, which is disposed on one side of the frame 127, and is used to start the driving member 160 to control the driving plate 161 to press downward;

[0037] The sensor 131 is fixed on the frame 127 to prevent the operator from being crushed by the pressing plate 161 when placing his hand inside the fixture 140;

[0038] A fixture 140, the fixture 140 is fixed on the frame 127, a probe 141 is provided at one end of the fixture 140, a carrier plate 143 is connected to the side provided with the probe 141 through an elastic member 142, the carrier plate 143 is provided with a positioning hole 145, the positioning hole 145 is used to cooperate with the pressure column 151 of the upper needle plate 150, so that the carrier plate 143 presses down the elastic member 142 connected to the fixture 140 under the action of the pressure column 151, the carrier plate 143 is provided with a positioning groove 144 at one end provided with the positioning hole 145, the positioning groove 144 is used to place the 16-connecting plate 120, and a pinhole 146 is provided in the positioning groove 144, and the probe 141 at the lower end of the pinhole 146 passes through the pinhole 146 and contacts with the measuring point 147 of the PCB board 121;

[0039] An upper needle plate 150, one end of which is fixed on a pressure plate 161, and the other end of which is provided with a pressure column 151, and the pressure column 151 is used to press the carrier plate 143 under the action of the driving member 160, and the upper needle plate 150 is provided with a probe 141 on the side provided with the pressure column 151, and the probe 141 is used to contact with a measuring point 147 on the PCB board 121, and is used to detect the PCB board 121;

[0040] The driving member 160 has a pressure plate 161 fixed at one end thereof. The pressure plate 161 presses down the upper needle plate 150 under the control of the driving member 160, so that the pressure column 151 on the upper needle plate 150 presses down the positioning hole 145 of the carrier plate 143. Under the action of the elastic member 142, the probe 141 under the carrier plate 143 can pass through the pinhole 146 on the carrier plate 143 and then contact the measuring point 147 of the PCB board 121.

[0041] The testing device 128 is connected to the fixture mechanism via a plurality of access adapter plates 129 .

[0042] The start button in the base control panel 130 uses a double button to start the driving member 160 to control the driving pressure plate 161 to press down, thereby ensuring the safety of the operator.

[0043] The sensor 131 is a light sensor.

[0044] The elastic member 142 is a spring pin.

[0045] The jig 140 can be replaced according to different specifications of the PCB board 121 to be used for testing different PCB boards 121 , and a set of replaceable jigs 140 includes a carrier board 143 and an upper needle board 150 .

[0046] Wherein, the driving member 160 is a cylinder.

[0047] Wherein, the pressing plate 161 is a steel pressing plate.

[0048] The pressing plate 161 connected to the driving member 160 adopts a fixed sleeve 170 to achieve stability and verticality when pressing down.

[0049] The working process of the present invention is as follows: when the 16-connected board 120 is tested, the operator first takes a 16-connected board 120, places the 16-connected board 120 on the slide 125 under the brush gun 122, controls the movement of the slide 125 through the slide table 124, and makes the two-dimensional code 126 on the PCB board 121 automatically scanned by the brush gun 122. After the scanning is completed, the data of the PCB board 121 is synchronized to the test equipment 128, and then the PCB board 121 is taken out and placed in the positioning groove 144 of the carrier board 143 in the fixture 140, and the two hands are pressed in the base control board 130 respectively. A start button is pressed to make the driving member 160 control the driving pressure plate 161 to press down the upper needle plate 150, and the pressure column 151 of the upper needle plate 150 is pressed into the positioning hole 145 of the carrier plate 143, and then the carrier plate 143 is continued to be pressed down, so that the carrier plate 143 presses down the elastic member 142 connected to the fixture 140 under the action of the pressure column 151, and then the probe 141 passes through the pinhole 146 and contacts the measuring point 147 of the PCB board 121. At this time, the probe 141 on the upper needle plate 150 also contacts the measuring point 147 of the PCB board 121, that is, the PCB board 121 is connected to the test equipment 128 for testing.

[0050] The beneficial effect of the present invention is that a 4-channel single-board test fixture can only test four PCB boards 101 at a time, and the rocker 105 needs to be manually pressed down during the test, which makes the test efficiency low, labor-intensive, and the process is complicated and the test time is long. The present invention uses an integrated 16-connected board 120 composed of 16 PCB boards 121, so that the operator only needs to take or place it once during the operation, which can effectively save the operation time, and adopts an automatic code scanning gun 122 and a pneumatic press machine to realize automated testing. It has a simple structure, is easy to operate, and can improve the test efficiency.

[0051] It should be pointed out that the present invention is not limited to the above-mentioned implementation modes, and any simple modifications, equivalent changes and modifications made to the above-mentioned embodiments by any technician familiar with the profession based on the technical solution of the present invention fall within the protection scope of the present invention.

Claims

1. A multi-plate testing mechanism, characterized in that: include: 16-panel, which is an integrated panel consisting of 16 PCB boards, and is used for taking or placing the PCB boards only once during the testing process, thus saving time; A brush gun, the brush gun is fixed on a machine platform on one side of the test mechanism, a slide is provided on one side of the brush gun, a slide is movably provided on the slide, the slide can control the movement of the drive slide, and is used to place the two-dimensional code on the PCB board under the brush gun through the slide for automatic scanning before testing the PCB board, identify the specifications of the PCB board according to the scanned data, and transmit the scanned data to the test equipment; A rack, one side of which is provided with a testing device, the testing device is connected to the fixture mechanism through a through-connection plate, and the testing device is used to detect whether the PCB board is qualified; A base control panel, which is arranged on one side of the frame and is used to start the driving member to control the driving plate to press downward; A fixture, wherein the fixture is fixed on a frame, a probe is provided at one end of the fixture, a carrier plate is connected to the side provided with the probe through an elastic member, a positioning hole is provided on the carrier plate, the positioning hole is used to cooperate with a pressure column of an upper needle plate, so that the carrier plate presses down the elastic member connected to the fixture under the action of the pressure column, a positioning groove is provided at one end of the carrier plate provided with the positioning hole, the positioning groove is used to place a 16-connection plate, a pinhole is provided in the positioning groove, and the probe at the lower end of the pinhole passes through the pinhole to contact the measuring point of the PCB board; An upper needle plate, one end of which is fixed on the pressure plate, and the other end is provided with a pressure column and a probe, the pressure column is used to press the load plate under the action of the driving member, and the upper needle plate is provided with a probe on the side where the pressure column is provided, and the probe is used to contact with a measuring point on the PCB board, so as to detect the PCB board; A driving member, one end of which is fixed with a pressure plate, which presses down the upper needle plate under the control of the driving member, so that the pressure column on the upper needle plate presses down the positioning hole of the carrier plate, and under the action of the elastic member, the probe under the carrier plate can pass through the pinhole on the carrier plate and then contact the measuring point of the PCB board.

2. A multi-plate testing mechanism as claimed in claim 1, characterized in that: The testing device is connected to the fixture mechanism via a plurality of access adapter plates.

3. A multi-plate testing mechanism as claimed in claim 1, characterized in that: The start button in the base control panel uses a double button to start the driving member to control the driving pressure plate to press down, ensuring the safety of the operator.

4. A multi-plate testing mechanism as claimed in claim 1, characterized in that: A sensor is fixed on the frame to prevent the operator from being crushed by the pressing plate when placing his hand inside the fixture.

5. A multi-plate testing mechanism as claimed in claim 4, characterized in that: The sensor is a light sensor.

6. A multi-plate testing mechanism as claimed in claim 1, characterized in that: The elastic member is a spring pin.

7. A multi-plate testing mechanism as claimed in claim 1, characterized in that: The fixture can be replaced according to different specifications of PCB boards and is used for testing different PCB boards.

8. A multi-plate testing mechanism as claimed in claim 1, characterized in that: The pressing plate is a steel pressing plate.

9. A multi-plate testing mechanism as claimed in claim 1, characterized in that: The driving member is a cylinder.

10. A multi-plate testing mechanism as claimed in claim 1, characterized in that: The pressing plate connected to the driving member adopts a fixed shaft sleeve to achieve stability and verticality when pressing down.

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