Double-track PCB golden finger detection device

Abstract

The utility model discloses a double-track PCB (printed circuit board) golden finger detection device, which belongs to the technical field of PCB processing and comprises a base, two support plates are welded on the upper surface of the base, two first rotating shafts are rotatably mounted between the two support plates, transmission rollers are fixedly mounted on the outer surfaces of the first rotating shafts, and the transmission rollers are fixedly mounted on the outer surfaces of the first rotating shafts. Wherein a first motor is fixedly installed on the side face of one supporting plate, an output shaft of the first motor is fixedly connected with a first rotating shaft at the corresponding position, two conveying grooves are formed in the outer surface of the conveying roller, a conveying belt is in transmission connection between the two conveying grooves which are opposite in the front-back direction, and a rack is detachably installed on the machine base. The transmission roller is arranged to be matched with the transmission belt for use, and the transmission roller is provided with two transmission grooves, so that double-track type transmission is achieved, the golden finger detector is matched for use, manual visual inspection is replaced, the detection operation efficiency is effectively improved, and the problems that missing detection and false detection are likely to happen to manual work at present and normal operation of front and back procedures is affected are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of PCB board processing, and in particular relates to a double-track PCB board gold finger detection device. Background Art

[0002] With the increasing application of modern electronic equipment, the research and development and production of PCB boards, important parts inside electronic equipment, are becoming more and more important. PCB boards are important electronic components, the support of electronic components, and the provider of electrical connections for electronic components.

[0003] There are gold fingers on the produced PCB boards. After the gold fingers are processed on the PCB boards, they need to be inspected. The existing inspection method is to arrange special personnel to perform visual inspections on the gold fingers. However, the risk of visual inspection by personnel is high and it is easy to miss, and the speed cannot keep up with the speed of AOI personnel placing boards, resulting in the phenomenon of stacking boards, which seriously affects production. Utility Model Content

[0004] The purpose of the utility model is to provide a dual-track PCB board gold finger detection device to solve the problem that the existing detection method proposed in the above background technology is to arrange special personnel to perform visual inspection on the gold fingers, but the risk of personnel visual inspection is high and it is easy to miss, and the speed cannot keep up with the speed of AOI personnel placing boards, resulting in the phenomenon of stacking boards, which seriously affects production.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dual-track PCB board gold finger detection device, comprising a machine base, two support plates welded on the upper surface of the machine base, two rotating shafts 1 are rotatably installed between the two support plates, a transmission roller is fixedly installed on the outer surface of the rotating shaft 1, a motor 1 is fixedly installed on the side of one of the support plates, the output shaft of the motor 1 is fixedly connected to the rotating shaft 1 at the corresponding position, two transmission grooves are provided on the outer surface of the transmission roller, a transmission belt is transmission-connected between the two transmission grooves opposite to each other, a frame is detachably installed on the machine base, a gold finger detector is installed at the position of the inner wall surface of the frame facing the transmission belt, two mounting plates are fixed on the upper surface of the frame, and a rotating mounting is arranged between the two mounting plates. A rotating shaft is provided, wherein a motor 2 is fixedly installed on the side of one of the mounting plates, and an output shaft of the motor 2 is fixedly connected to the rotating shaft 2. Two rotating drums are provided on the outer surface of the rotating shaft 2, and a bevel gear 1 is fixedly installed on the outer surface of the rotating drum. Two rotating shafts 3 are rotatably installed on the upper surface of the frame, and a bevel gear 2 used in conjunction with the bevel gear 1 is fixedly installed on the top of the rotating shaft 3. A disc is fixedly installed on the outer surface of the rotating shaft 3, and two rollers are rotatably installed on the upper surface of the disc. The two rollers are arranged opposite to each other and are eccentrically arranged on the upper surface of the disc, and a sliding frame is provided on the outside of the rollers, and a connecting plate is fixedly installed on the end of the sliding frame, and an anti-deflection plate is fixedly installed on the bottom end of the connecting plate, and a supporting roller is rotatably installed on the side of the anti-deflection plate.

[0006] By adopting the above scheme, a transmission roller is set to be used in conjunction with a transmission belt, and two transmission grooves are provided on the transmission roller, thereby achieving dual-track transmission. It is used in conjunction with a gold finger detector to replace manual visual inspection, effectively improving the efficiency of the inspection operation, and preventing the current problem of missed inspections and false inspections that are prone to occur manually, as well as affecting the normal operation of the previous and next processes. A disc is set to be used in conjunction with an anti-deflection plate, and shaft two and a rotating drum are used in conjunction with bevel gear one and bevel gear two. When the disc rotates, the relative distance between the two anti-deflection plates on the surface of the conveyor belt can be adjusted, thereby effectively limiting the position and preventing the deflection of the transmitted PCB board carrier to prevent the transmission deviation phenomenon, and the rotating drum is movably arranged on shaft two, and the anti-deflection plates on the two conveyor belts can be adjusted synchronously or asynchronously, so as to realize the transmission and detection of PCB board carriers of different specifications and improve universality.

[0007] In the above solution, it should be noted that the motor 1, the gold finger detector and the motor 2 are all electrically connected to the external power supply.

[0008] As a preferred implementation, a plurality of bolts are provided on the side of the frame, and the tail ends of the bolts pass through the frame and cooperate with the threaded grooves provided on the side of the base.

[0009] With the above solution, the arrangement of the bolts facilitates the fixing and assembly of the rack and the disassembly and assembly of the rack. A gold finger detector can be used for detection during installation, and manual detection can be performed during disassembly.

[0010] As a preferred embodiment, a limiting strip is fixed on the outer surface of the second rotating shaft, and a limiting groove used in conjunction with the limiting strip is provided on the inner wall of the rotating drum.

[0011] By adopting the above solution, the limiting strip is used in conjunction with the limiting groove to ensure that the rotating drum can be driven to rotate synchronously when the rotating shaft 2 rotates, and that there will be no relative rotation between the rotating drum and the rotating shaft 2.

[0012] As a preferred embodiment, a latch is slidably mounted on the outer surface of the rotating drum, a spring is fixedly mounted between the latch and the rotating drum, and four slots are opened on the outer surface of the second rotating shaft, and the four slots are grouped in pairs and are all used in conjunction with the latch.

[0013] By adopting the above scheme, the latch is used in conjunction with the spring, and the elasticity of the spring drives the latch to be inserted into the slot, so that the position of the rotating drum can be locked. The locking structure is simple and the operation is convenient.

[0014] As a preferred embodiment, a plurality of fixed plates are fixed on the side of the frame, a guide rod is fixedly installed between two fixed plates on the same side, a movable plate is fixedly installed on the side of the connecting plate, and the movable plate is slidably installed on the outer surface of the guide rod.

[0015] By adopting the above scheme, the fixed plate is used in conjunction with the guide rod and the movable plate to support and guide the connecting plate, and then to support and guide the sliding frame and the anti-deflection plate, thereby improving movement stability and preventing shaking.

[0016] As a preferred embodiment, a plurality of support blocks are fixedly mounted on the upper surface of the frame, arc-shaped sliders are fixedly mounted on the sides of the support blocks, and an annular slide groove for use with the arc-shaped slider is formed on the outer surface of the disc.

[0017] By adopting the above solution, the support block is used in conjunction with the arc-shaped slider, and the arc-shaped slider slides in the annular slide groove, which can ensure that the disc is not prone to tilting and shaking when rotating.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The dual-track PCB board gold finger detection device is used by setting a transmission roller in conjunction with a transmission belt. The transmission roller has two transmission slots, thereby achieving dual-track transmission. It is used in conjunction with a gold finger detector to replace manual visual inspection, effectively improve the inspection efficiency, and prevent the current problem of manual omission and false inspection, which affects the normal operation of the previous and next processes.

[0020] The double-track PCB board gold finger detection device is used by setting a disc in conjunction with an anti-deflection plate, and using a second rotating shaft and a rotating drum in conjunction with a first bevel gear and a second bevel gear. When the disc rotates, the relative distance between the two anti-deflection plates on the surface of the conveyor belt can be adjusted, so that the transmitted PCB board carrier can be effectively limited and deflected to prevent the transmission from deviation. The rotating drum is movably arranged on the second rotating shaft, and the anti-deflection plates on the two conveyor belts can be adjusted synchronously or asynchronously, so as to realize the transmission detection of PCB board carriers of different specifications and improve universality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the transmission roller of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the frame of the utility model;

[0024] Figure 4 It is a structural schematic diagram of the disc, the mounting plate and the anti-deflection plate of the utility model;

[0025] Figure 5 It is a structural schematic diagram of the disc of the utility model;

[0026] Figure 6 It is a structural schematic diagram of the rotating shaft three of the utility model;

[0027] Figure 7 It is a structural schematic diagram of the rotary drum of the utility model.

[0028] In the figure: 1. base; 2. support plate; 3. shaft 1; 4. transmission roller; 5. motor 1; 6. transmission belt; 7. frame; 8. gold finger detector; 9. mounting plate; 10. shaft 2; 11. motor 2; 12. drum; 13. bevel gear 1; 14. shaft 3; 15. bevel gear 2; 16. disc; 17. roller; 18. sliding frame; 19. connecting plate; 20. anti-bias plate; 21. bolt; 22. limit strip; 23. latch; 24. spring; 25. fixed plate; 26. movable plate; 27. guide rod; 28. support roller; 29. ​​support block; 30. arc slider. DETAILED DESCRIPTION

[0029] See also Figure 1-7The utility model provides a double-track PCB board gold finger detection device, including a machine base 1, two support plates 2 are welded on the upper surface of the machine base 1, two rotating shafts 3 are rotatably installed between the two support plates 2, and a transmission roller 4 is fixedly installed on the outer surface of the rotating shaft 3, a motor 5 is fixedly installed on the side of one of the support plates 2, and the output shaft of the motor 5 is fixedly connected to the rotating shaft 3 at the corresponding position, and two transmission grooves are provided on the outer surface of the transmission roller 4, and a transmission belt 6 is connected to the transmission between the two transmission grooves opposite to each other, and a frame 7 is detachably installed on the machine base 1, and a gold finger detector 8 is installed at the position of the inner wall surface of the frame 7 facing the transmission belt 6, and two mounting plates 9 are fixed on the upper surface of the frame 7, and a rotating shaft 10 is rotatably installed between the two mounting plates 9, and the side of one of the mounting plates 9 is fixed A motor 2 11 is installed, and the output shaft of the motor 2 11 is fixedly connected to the rotating shaft 2 10. The outer surface of the rotating shaft 2 10 is provided with two rotating drums 12, and a bevel gear 13 is fixedly installed on the outer surface of the rotating drum 12. Two rotating shafts 3 14 are rotatably installed on the upper surface of the frame 7, and a bevel gear 2 15 used in conjunction with the bevel gear 13 is fixedly installed on the top of the rotating shaft 3 14. A disk 16 is fixedly installed on the outer surface of the rotating shaft 3 14, and two rollers 17 are rotatably installed on the upper surface of the disk 16. The two rollers 17 are arranged opposite to each other and are eccentrically arranged on the upper surface of the disk 16. A sliding frame 18 is provided on the outside of the rotating roller 17, and a connecting plate 19 is fixedly installed on the end of the sliding frame 18. An anti-deflection plate 20 is fixedly installed on the bottom end of the connecting plate 19, and a supporting roller 28 is rotatably installed on the side of the anti-deflection plate 20.

[0030] A plurality of bolts 21 are provided on the side of the frame 7, and the tail ends of the bolts 21 pass through the frame 7 and cooperate with the threaded grooves provided on the side of the base. The arrangement of the bolts 21 facilitates the fixing and assembly of the frame 7 and the disassembly and assembly of the frame 7. The gold finger detector 8 can be used for detection during installation, and manual detection can be performed during disassembly.

[0031] A limit strip 22 is fixed on the outer surface of the rotating shaft 10, and a limit groove used in conjunction with the limit strip 22 is opened on the inner wall of the rotating drum 12. The limit strip 22 is used in conjunction with the limit groove to ensure that the rotating drum 12 can be driven to rotate synchronously when the rotating shaft 10 rotates, and to ensure that there is no relative rotation between the rotating drum 12 and the rotating shaft 10.

[0032] A latch 23 is slidably mounted on the outer surface of the rotating drum 12, and a spring 24 is fixedly mounted between the latch 23 and the rotating drum 12. Four slots are provided on the outer surface of the rotating shaft 10. The four slots are grouped in pairs and are all used in conjunction with the latch 23. The latch 23 is used in conjunction with the spring 24. The elasticity of the spring 24 drives the latch 23 to be inserted into the slot, so that the position of the rotating drum 12 can be locked. The locking structure is simple and easy to operate.

[0033] A plurality of fixed plates 25 are fixed to the side of the frame 7, a guide rod 27 is fixedly installed between the two fixed plates 25 on the same side, a movable plate 26 is fixedly installed on the side of the connecting plate 19, and the movable plate 26 is slidably installed on the outer surface of the guide rod 27. The fixed plate 25 is used in conjunction with the guide rod 27 and the movable plate 26 to support and guide the connecting plate 19, and then support and guide the sliding frame 18 and the anti-deflection plate 20, so as to improve the movement stability and prevent shaking.

[0034] A plurality of support blocks 29 are fixedly mounted on the upper surface of the frame 7, and an arc-shaped slider 30 is fixedly mounted on the side of the support block 29. An annular slide groove for use with the arc-shaped slider 30 is provided on the outer surface of the disc 16. The support block 29 is used in conjunction with the arc-shaped slider 30, and the arc-shaped slider 30 slides in the annular slide groove, which can ensure that the disc 16 is not prone to tilting or shaking when rotating.

[0035] When in use, the position of the anti-deflection plate 20 is adjusted according to the specifications of the PCB board carrier. When the two conveyor belts 6 transmit PCB board carriers of the same specifications, the two bevel gears 13 on the rotating shaft 13 and the two bevel gears 2 15 on the rotating shaft 2 10 are respectively meshed with each other, and the anti-deflection plate 20 is adjusted. The motor 2 11 is started to drive the rotating shaft 2 10 to drive the rotating drum 12 to rotate, and the rotating drum 12 drives the bevel gear 1 13 to rotate. The bevel gear 1 13 and the bevel gear 2 15 are meshed to drive the rotating shaft 3 14 to drive the disc 16 to rotate. When the disk 16 rotates, the roller 17 is used in conjunction with the sliding frame 18 to make the connecting plate 19 drive the anti-deflection plate 20 to move, and the two anti-deflection plates 20 on the conveyor belt 6 move relative to each other. After adjusting the distance between the PCB board carrier and the two anti-deflection plates 20 to match, the motor 2 11 is stopped, and then the motor 15 and the gold finger detector 8 are started. The motor 15 drives the shaft 13 to rotate, and the shaft 13 drives the conveyor roller 4 to rotate, and then drives the conveyor belt 6 to move. The AOI operator only needs to put the PCB board carrier on the conveyor The surface of the belt 6 is used for transmission, and the PCB board carrier will be transported to the bottom of the gold finger monitor. The gold finger detector 8 will test the gold finger according to its own program parameters. If a problem with the gold finger is detected, the tester screen will display the position of the NG board. The packing personnel only need to pick out the NG PCBA and place it in the NG Tray. When the surfaces of the two conveyor belts 6 need to detect the gold fingers of PCB boards of different specifications, the meshing sequence of the bevel gears 13 and the bevel gears 15 on both sides can be adjusted respectively. The adjustment step of the disengagement and engagement process of the bevel gears 13 and the bevel gears 15 is to pull the latch 23 to disengage the latch 23 from the slot. At this time, the rotating drum 12 is unlocked and can slide. After sliding until the bevel gears 13 and the bevel gears 15 are engaged or disengaged, the elasticity of the spring 24 is used to drive the latch 23 into the slot for locking. After adjusting the meshing and disengagement process of the bevel gears 13 and the bevel gears 15 on both sides, the motor 2 11 is started again to adjust the position of the anti-bias plate 20, and the gold finger detection is performed after adjustment.

Claims

1. A dual-track PCB gold finger detection device, characterized in that: The machine comprises a machine base (1), wherein two support plates (2) are welded on the upper surface of the machine base (1), two rotating shafts (3) are rotatably mounted between the two support plates (2), a transmission roller (4) is fixedly mounted on the outer surface of the rotating shaft (3), a motor (5) is fixedly mounted on the side surface of one of the support plates (2), the output shaft of the motor (5) is fixedly connected to the rotating shaft (3) at a corresponding position, two transmission grooves are provided on the outer surface of the transmission roller (4), a transmission belt (6) is transmission-connected between the two transmission grooves facing each other, a frame (7) is detachably mounted on the machine base (1), a gold finger detector (8) is mounted on the inner wall surface of the frame (7) at a position facing the transmission belt (6), two mounting plates (9) are fixedly mounted on the upper surface of the frame (7), a rotating shaft (10) is rotatably mounted between the two mounting plates (9), a motor (11) is fixedly mounted on the side surface of one of the mounting plates (9), and the motor (11) is The output shaft of the first rotating shaft (11) is fixedly connected to the second rotating shaft (10), the outer surface of the second rotating shaft (10) is provided with two rotating drums (12), the outer surface of the rotating drum (12) is fixedly mounted with a bevel gear (13), the upper surface of the frame (7) is rotatably mounted with two third rotating shafts (14), the top of the third rotating shaft (14) is fixedly mounted with a bevel gear (15) used in conjunction with the bevel gear (13), the outer surface of the third rotating shaft (14) is fixedly mounted with a disk (16) ), two rollers (17) are rotatably mounted on the upper surface of the disk (16), the two rollers (17) are arranged opposite to each other and are eccentrically arranged on the upper surface of the disk (16), a sliding frame (18) is provided on the outside of the rollers (17), a connecting plate (19) is fixedly mounted on the end of the sliding frame (18), an anti-deflection plate (20) is fixedly mounted on the bottom end of the connecting plate (19), and a supporting roller (28) is rotatably mounted on the side of the anti-deflection plate (20).

2. The dual-track PCB gold finger detection device according to claim 1, characterized in that: A plurality of bolts (21) are provided on the side of the frame (7), and the tail ends of the bolts (21) pass through the frame (7) and cooperate with the thread grooves provided on the side of the base.

3. The dual-track PCB gold finger detection device according to claim 1, characterized in that: A limiting strip (22) is fixed on the outer surface of the second rotating shaft (10), and a limiting groove for use with the limiting strip (22) is provided on the inner wall of the rotating drum (12).

4. The dual-track PCB gold finger detection device according to claim 1, characterized in that: A latch (23) is slidably mounted on the outer surface of the rotating drum (12), a spring (24) is fixedly mounted between the latch (23) and the rotating drum (12), and four slots are formed on the outer surface of the second rotating shaft (10), the four slots are arranged in groups of two and are all used in conjunction with the latch (23).

5. The dual-track PCB gold finger detection device according to claim 1, characterized in that: A plurality of fixed plates (25) are fixed on the side of the frame (7), a guide rod (27) is fixedly installed between two fixed plates (25) on the same side, a movable plate (26) is fixedly installed on the side of the connecting plate (19), and the movable plate (26) is slidably installed on the outer surface of the guide rod (27).

6. The dual-track PCB gold finger detection device according to claim 1, characterized in that: A plurality of support blocks (29) are fixedly mounted on the upper surface of the frame (7), an arc-shaped slider (30) is fixedly mounted on the side of the support block (29), and an annular slide groove for use with the arc-shaped slider (30) is provided on the outer surface of the disc (16).

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