PCBA automatic function testing device

Abstract

The utility model discloses a PCBA automatic function testing device, which belongs to the PCBA production technical field and comprises a base, the upper surface of the base is provided with a station groove, a workpiece carrier plate is movably arranged in the station groove, the upper surface of the workpiece carrier plate is provided with two workpiece positioning plates, the opposite surfaces of the two workpiece positioning plates are respectively pasted with an anti-skid pad, and the anti-skid pads are arranged on the upper surface of the base. Wherein one workpiece positioning plate is fixed on the upper surface of the workpiece carrying plate, and the other workpiece positioning plate is movably arranged on the upper surface of the workpiece carrying plate; a workpiece carrier plate moves back and forth in a station groove to switch positions, tests are carried out when the workpiece carrier plate moves into an outer protective shell, the workpiece carrier plate moves out of the outer protective shell after testing is completed, the outer protective shell is used for carrying out isolation protection on a detection circuit board, the detection circuit board is used for detection, and the problem that wire harnesses are too many and disordered is avoided; and manual feeding and discharging operation is not needed, the operation stability and the operation efficiency are improved, and the possibility that manual operation is prone to errors and causes problems is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of PCBA production, and in particular relates to a PCBA automatic function testing device. Background Art

[0002] Printed circuit board, also known as printed circuit board, is an important electronic component, a support for electronic components, and a provider of circuit connections for electronic components. Because it is made using electronic printing technology, it is called a printed circuit board.

[0003] During the PCBA production process, the panels need to be functionally tested. The functional testing devices currently used are semi-automatic devices. There are many connecting wires in the device, the wires are easily damaged, the device wires cannot be effectively controlled, the failure rate is high, the device working efficiency is low, and human operating errors lead to damage to device accessories, resulting in a high failure rate. Utility Model Content

[0004] The utility model aims to provide a PCBA automatic function testing device to solve the problems in the above background technology that there are too many wiring harnesses and manual loading and unloading inspection is inconvenient, and errors are prone to affect the operation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PCBA automated functional testing device, comprising a base, a station slot is provided on the upper surface of the base, and a workpiece carrier is movably arranged in the station slot, two workpiece positioning plates are provided on the upper surface of the workpiece carrier, and anti-slip pads are pasted on the opposite surfaces of the two workpiece positioning plates, one of the workpiece positioning plates is fixed on the upper surface of the workpiece carrier, and the other workpiece positioning plate is movably arranged on the upper surface of the workpiece carrier, and an extrusion screw is threadedly installed on the movably arranged workpiece positioning plate, and the bottom end of the extrusion screw is screwed into the upper surface of the workpiece carrier. The outer protective shell is fixedly mounted on the upper surface of the base, a cylinder is fixedly mounted on the inner wall of the outer protective shell, a mounting plate is fixedly mounted on the end of the piston rod of the cylinder, a detection circuit board is fixedly mounted on the lower surface of the mounting plate, an inspection port is provided on the side of the outer protective shell, and an inspection cover is rotatably mounted in the inspection port, a groove is provided on the side of the inspection cover, and a support plate is movably provided in the groove, a clamping rod is fixed on the side of the support plate, a clamping groove for the clamping rod to be inserted into the inner wall of the inspection port on the outer protective shell is provided, an operating panel is fixed on the side of the support plate, and a strip hole for the movement of the operating panel is provided on the side of the inspection cover.

[0006] In the above solution, it should be noted that the motor and the cylinder are both electrically connected to an external power source.

[0007] As a preferred embodiment, two fixed plates are fixedly installed on the inner wall of the work station groove on the base, and a rotating shaft is rotatably installed on the fixed plate, and a threaded rod is fixedly installed between the two rotating shafts. A motor is fixedly installed on the side of one of the fixed plates, and the output shaft of the motor is fixedly connected to the rotating shaft on the same side. A threaded plate is threadedly installed on the outer surface of the threaded rod, and the threaded plate is fixed to the lower surface of the workpiece carrier.

[0008] By adopting the above scheme, a motor is used to drive the rotating shaft to rotate, and the rotating shaft drives the threaded rod to rotate, which in turn drives the threaded plate to move, thereby driving the workpiece carrier plate to move, thereby realizing the back and forth switching position of the workpiece.

[0009] As a preferred implementation, a plurality of guide rods are fixedly mounted between the two fixing plates, and the threaded plate is slidably mounted on the outer surfaces of the plurality of guide rods.

[0010] By adopting the above solution, the guide rod can support and guide the movement of the threaded plate, improve the movement stability and prevent shaking.

[0011] As a preferred embodiment, a cavity is provided inside the workpiece carrier plate, and a plurality of limit rods are fixedly installed in the cavity, a sliding plate is slidably installed on the outer surface of the limit rod, a connecting plate is fixedly installed on the upper surface of the sliding plate, the connecting plate is fixedly connected to a movably arranged workpiece positioning plate, a strip channel for the movement of the connecting plate is provided on the surface of the workpiece carrier plate, a first spring is sleeved on the outside of the limit rod, and both ends of the first spring are respectively fixedly connected to the inner wall of the cavity and the sliding plate.

[0012] By adopting the above scheme, the limit rod can ensure the stable sliding of the sliding plate without shaking. When the workpiece positioning plate moves in coordination with the workpiece clamping type, the first elasticity is in a deformed state. At this time, the extrusion screw squeezes and fixes the workpiece positioning plate. Therefore, when the extrusion screw is screwed out to release the extrusion and fixation, the elasticity of the first spring will drive the workpiece positioning plate to quickly reset, thereby improving the convenience of operation.

[0013] As a preferred implementation, a plurality of first telescopic rods are fixed to the inner wall of the outer protective shell, and the bottom ends of the first telescopic rods are fixedly connected to the mounting plate.

[0014] By adopting the above solution, the first telescopic rod can support the up and down movement of the mounting plate, thereby improving the movement stability.

[0015] As a preferred embodiment, a second spring and a second telescopic rod are fixed to the inner wall of the groove on the inspection cover, and the second spring and the second telescopic rod are both fixedly connected to the support plate.

[0016] By adopting the above solution, the elasticity of the second spring can be used to enable the clamping rod to be quickly and stably clamped into the clamping slot, and the second telescopic rod can be used to ensure that the support plate and the clamping rod move smoothly.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The PCBA automated functional testing device sets the workpiece carrier to move back and forth in the work station slot to switch positions, performs testing when it moves to the inside of the outer protective shell, and moves out of the outer protective shell after the test is completed. The outer protective shell is used to isolate and protect the detection circuit board, and the detection circuit board is used to perform testing, thereby avoiding the problem of too many disorderly wire harnesses, and eliminating the need for manual loading and unloading operations, thereby improving operation stability and efficiency, and avoiding the possibility of problems caused by manual errors.

[0019] The PCBA automated functional testing device can fix and clamp the workpiece by setting two workpiece positioning plates, thereby ensuring the stability of the workpiece movement process and the detection process and avoiding misalignment and deviation. It is used in conjunction with an inspection cover to facilitate inspection work inside the external protective shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the base of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the fixing plate of the utility model;

[0023] Figure 4 It is a structural schematic diagram of the cross section of the workpiece carrier plate of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the workpiece positioning plate and the extrusion screw of the utility model;

[0025] Figure 6 It is a schematic structural diagram of the cross section of the outer protective shell of the utility model;

[0026] Figure 7 It is a structural schematic diagram of the cross section of the inspection cover of the utility model;

[0027] Figure 8 For this utility model Figure 7 Schematic diagram of the structure enlarged at point A in the middle.

[0028] In the figure: 1. base; 2. workpiece carrier plate; 3. workpiece positioning plate; 4. outer protective shell; 5. cylinder; 6. mounting plate; 7. detection circuit board; 8. inspection cover; 9. fixing plate; 10. rotating shaft; 11. motor; 12. threaded rod; 13. threaded plate; 14. guide rod; 15. limit rod; 16. first spring; 17. sliding plate; 18. connecting plate; 19. anti-slip pad; 20. extrusion screw; 21. first telescopic rod; 22. second telescopic rod; 23. second spring; 24. support plate; 25. clamping rod; 26. operating panel. DETAILED DESCRIPTION

[0029] See also Figure 1-8 The utility model provides a PCBA automated function test device, including a base 1, a station slot is provided on the upper surface of the base 1, and a workpiece carrier 2 is movably arranged in the station slot, two workpiece positioning plates 3 are arranged on the upper surface of the workpiece carrier 2, and anti-slip pads 19 are pasted on the opposite surfaces of the two workpiece positioning plates 3, one of the workpiece positioning plates 3 is fixed on the upper surface of the workpiece carrier 2, and the other workpiece positioning plate 3 is movably arranged on the upper surface of the workpiece carrier 2, and an extrusion screw 20 is threadedly installed on the movably arranged workpiece positioning plate 3, and the bottom end of the extrusion screw 20 is in contact with the upper surface of the workpiece carrier 2, and the base 1 is provided with a plurality of workpiece positioning plates 3, wherein the workpiece positioning plates 3 are ... An outer protective shell 4 is fixedly installed on the upper surface, a cylinder 5 is fixedly installed on the inner wall of the outer protective shell 4, a mounting plate 6 is fixedly installed on the end of the piston rod of the cylinder 5, a detection circuit board 7 is fixedly installed on the lower surface of the mounting plate 6, an inspection port is provided on the side of the outer protective shell 4, and an inspection cover 8 is rotatably installed in the inspection port, a groove is provided on the side of the inspection cover 8, and a support plate 24 is movably provided in the groove, a clamping rod 25 is fixed on the side of the support plate 24, a clamping groove for the clamping rod 25 to be inserted is provided on the inner wall of the inspection port on the outer protective shell 4, an operating panel 26 is fixed on the side of the support plate 24, and a strip hole for the operation panel 26 to move is provided on the side of the inspection cover 8.

[0030] Two fixed plates 9 are fixedly installed on the inner wall of the work station groove on the base 1, and a rotating shaft 10 is rotatably installed on the fixed plate 9. A threaded rod 12 is fixedly installed between the two rotating shafts 10. A motor 11 is fixedly installed on the side of one of the fixed plates 9, and the output shaft of the motor 11 is fixedly connected to the rotating shaft 10 on the same side. A threaded plate 13 is threadedly installed on the outer surface of the threaded rod 12, and the threaded plate 13 is fixed to the lower surface of the workpiece carrier 2. The motor 11 is used to drive the rotating shaft 10 to rotate, and the rotating shaft 10 drives the threaded rod 12 to rotate, thereby driving the threaded plate 13 to move, thereby driving the workpiece carrier 2 to move, thereby realizing the back and forth switching of the workpiece position.

[0031] A plurality of guide rods 14 are fixedly installed between the two fixing plates 9, and the threaded plate 13 is slidably installed on the outer surfaces of the plurality of guide rods 14. The guide rods 14 can support and guide the movement of the threaded plate 13, thereby improving the movement stability and preventing shaking.

[0032] A cavity is provided inside the workpiece carrier 2, and a plurality of limit rods 15 are fixedly installed in the cavity. A sliding plate 17 is slidably installed on the outer surface of the limit rod 15, and a connecting plate 18 is fixedly installed on the upper surface of the sliding plate 17. The connecting plate 18 is fixedly connected to the movably arranged workpiece positioning plate 3. A strip channel for the movement of the connecting plate 18 is provided on the surface of the workpiece carrier 2. A first spring 16 is sleeved on the outside of the limit rod 15. The two ends of the first spring 16 are respectively fixedly connected to the inner wall of the cavity and the sliding plate 17. The limit rod 15 can ensure the stable sliding of the sliding plate 17 without shaking. When the workpiece positioning plate 3 moves and cooperates to realize the workpiece clamping type, the first elasticity is in a deformation state. At this time, the extrusion screw 20 squeezes and fixes the workpiece positioning plate 3. Therefore, when the extrusion screw 20 is screwed out to release the extrusion and fixation, the elasticity of the first spring 16 will drive the workpiece positioning plate 3 to quickly reset, thereby improving the convenience of operation.

[0033] A plurality of first telescopic rods 21 are fixed to the inner wall of the outer protective shell 4. The bottom ends of the first telescopic rods 21 are fixedly connected to the mounting plate 6. The first telescopic rods 21 can support the up and down movement of the mounting plate 6 to improve the movement stability.

[0034] A second spring 23 and a second telescopic rod 22 are fixed to the inner wall of the groove on the inspection cover 8. The second spring 23 and the second telescopic rod 22 are both fixedly connected to the support plate 24. The elasticity of the second spring 23 can enable the clamping rod 24 to be quickly and stably inserted into the clamping groove. The second telescopic rod 22 can ensure the smooth movement of the support plate 24 and the clamping rod 24.

[0035] When in use, the workpiece to be inspected is placed on the surface of the workpiece carrier plate 2, the extrusion screw 20 is screwed out, and the movable workpiece positioning plate 3 is supported to move toward the fixed workpiece positioning plate 3. When the two workpiece positioning plates 3 are attached to the side of the workpiece, the extrusion screw 20 is screwed in to clamp the workpiece. At this time, the first spring 16 is deformed, and then the motor 11 is started to drive the rotating shaft 10 to rotate, and the rotating shaft 10 drives the threaded rod 12 to rotate, and then drives the threaded plate 13 to move, thereby driving the workpiece carrier plate 2 to move to the inside of the outer protective shell 4, and then the motor 11 is stopped and the cylinder is started. 5 drives the mounting plate 6 to move downward, and the workpiece is inspected by the inspection circuit board 7. After the inspection is completed, the cylinder 5 drives the mounting plate 6 to move upward and reset, and the motor 11 reverses to drive the workpiece carrier plate 2 to drive the workpiece to move out of the outer protective shell 4, and the extrusion screw 20 is screwed out to cooperate with the first spring 16 to unlock the workpiece and fix it, and an inspection operation is completed. When the inside of the outer protective shell 4 needs to be inspected later, the support plate 24 is driven by the operating panel 26 to drive the clamping rod 25 to move, and the clamping rod 25 is disengaged from the clamping slot to unlock the inspection cover 8, and the inspection cover 8 can be opened by rotating.

Claims

1. A PCBA automated functional testing device, characterized in that: The invention comprises a base (1), wherein the upper surface of the base (1) is provided with a work position slot, and a workpiece carrier (2) is movably arranged in the work position slot, and two workpiece positioning plates (3) are arranged on the upper surface of the workpiece carrier (2), and anti-slip pads (19) are pasted on the opposite surfaces of the two workpiece positioning plates (3), wherein one of the workpiece positioning plates (3) is fixed on the upper surface of the workpiece carrier (2), and the other workpiece positioning plate (3) is movably arranged on the upper surface of the workpiece carrier (2), and an extrusion screw (20) is threadedly installed on the movably arranged workpiece positioning plate (3), and the bottom end of the extrusion screw (20) is in contact with the upper surface of the workpiece carrier (2), and an outer protective shell (4) is fixedly installed on the upper surface of the base (1). A cylinder (5) is fixedly mounted on the inner wall of the outer protective shell (4), a mounting plate (6) is fixedly mounted on the end of the piston rod of the cylinder (5), a detection circuit board (7) is fixedly mounted on the lower surface of the mounting plate (6), a side surface of the outer protective shell (4) is provided with an inspection opening, and an inspection cover (8) is rotatably mounted in the inspection opening, a side surface of the inspection cover (8) is provided with a groove, and a support plate (24) is movably arranged in the groove, a clamping rod (25) is fixed on the side surface of the support plate (24), a clamping groove for the clamping rod (25) to be clamped in is provided on the inner wall of the inspection opening on the outer protective shell (4), an operating plate (26) is fixed on the side surface of the support plate (24), and a strip hole for the operating plate (26) to move is provided on the side surface of the inspection cover (8).

2. The PCBA automated functional testing device according to claim 1, characterized in that: Two fixed plates (9) are fixedly mounted on the inner wall of the work station groove on the base (1), a rotating shaft (10) is rotatably mounted on the fixed plates (9), a threaded rod (12) is fixedly mounted between the two rotating shafts (10), a motor (11) is fixedly mounted on the side of one of the fixed plates (9), an output shaft of the motor (11) is fixedly connected to the rotating shaft (10) on the same side, a threaded plate (13) is threadedly mounted on the outer surface of the threaded rod (12), and the threaded plate (13) is fixed to the lower surface of the workpiece carrier (2).

3. The PCBA automated functional testing device according to claim 2, characterized in that: A plurality of guide rods (14) are fixedly mounted between the two fixed plates (9), and the threaded plate (13) is slidably mounted on the outer surfaces of the plurality of guide rods (14).

4. The PCBA automated functional testing device according to claim 1, characterized in that: The workpiece carrier (2) has a cavity formed inside, and a plurality of limit rods (15) are fixedly installed in the cavity; a sliding plate (17) is slidably installed on the outer surface of the limit rod (15); a connecting plate (18) is fixedly installed on the upper surface of the sliding plate (17); the connecting plate (18) is fixedly connected to a movably arranged workpiece positioning plate (3); a strip channel for the connecting plate (18) to move is formed on the surface of the workpiece carrier (2); a first spring (16) is sleeved on the outside of the limit rod (15); and two ends of the first spring (16) are respectively fixedly connected to the inner wall of the cavity and the sliding plate (17).

5. The PCBA automated functional testing device according to claim 1, characterized in that: A plurality of first telescopic rods (21) are fixed to the inner wall of the outer protective shell (4), and the bottom ends of the first telescopic rods (21) are fixedly connected to the mounting plate (6).

6. The PCBA automated functional testing device according to claim 1, characterized in that: A second spring (23) and a second telescopic rod (22) are fixed to the inner wall of the groove on the inspection cover (8), and the second spring (23) and the second telescopic rod (22) are both fixedly connected to the support plate (24).

Images