CN221086405U

CN221086405U - PCB defective product self-pushing and removing device based on visual detection

Info

Publication number: CN221086405U
Application number: CN202420489003.5U
Authority: CN
Inventors: 洪吉海; 林灶湖; 马柔燕; 陈朝北
Original assignee: Shantou Fenglida Electronic Technology Co ltd
Current assignee: Shantou Fenglida Electronic Technology Co ltd
Priority date: 2024-03-14
Filing date: 2024-03-14
Publication date: 2024-06-07
Anticipated expiration: 2034-03-14

Abstract

The utility model relates to the technical field of PCB board detection equipment, in particular to a PCB board defective product self-pushing removing device based on visual detection. According to the utility model, the clamp is used for fixing the contour edge of the PCB, products with different shapes are suitable for while the detection precision is improved, the comparison sample can be quickly replaced, the utility model is more suitable for the flow production of factories, defective products are quickly removed by using the collision table, and the production efficiency is improved.

Description

PCB defective product self-pushing and removing device based on visual detection

Technical Field

The utility model relates to the technical field of PCB detection equipment, in particular to a PCB defective product self-pushing and removing device based on visual detection.

Background

At present, the production of the PCB in the market generally needs to be subjected to an integral cutting step, the PCB is produced in batches in a later cutting mode, and in the production line, the appearance of part of the PCB cannot meet the preset standard due to cutting errors, so that the PCB is broken, most factories manually reject the broken product in a mode of visually detecting the appearance of the PCB, however, the mode is time-consuming and labor-consuming and is not economical enough, and a visual detection device for automatically rejecting the defective product is needed.

Chinese patent CN218982369U discloses a visual inspection conveyor with poor article rejection function, be provided with on one side of the control portion and carry and reject the subassembly, carry and reject the subassembly upper end and be provided with visual inspection subassembly, carry and reject the subassembly lower extreme and be provided with and collect the subassembly, carry and reject the subassembly and include supporting part, carry part and evenly set up a plurality of poor article rejection parts at the conveying part surface, through supporting part, conveying part, poor article rejection part, first detection part and second detection part's setting, realized the purpose of automatic rejection poor article, solved current reagent and detected the conveyor and need the manual work to pick up poor article, lead to the problem that detection cost risen.

There are several improvements to the above solution: the product is not fixed on the detection plate, and is easy to deviate to cause detection errors; the standard test sample cannot be changed, and the whole device can only aim at a single-appearance product.

Disclosure of utility model

In order to solve the problems in the prior art, the utility model provides a PCB defective product self-pushing removing device based on visual detection, which comprises a hanging plate, a detection table, a collecting tray and a conveying belt, wherein the hanging plate comprises a tray, a rotating shaft, a pull rope and a collision table, the hanging plates are hung on the conveying belt and move to one side along with the conveying belt, the detection table is arranged on a moving path of the hanging plate so that the hanging plate can pass through the detection table, the collecting tray is arranged on one side of the detection table and is positioned under the moving path of the hanging plate, the PCB is arranged on the hanging plate, the tray is arranged on the hanging plate and rotates with the hanging plate, the rotating shaft is arranged at the top of the upper section of the hanging plate, one end of the pull rope is connected to the tray, the other end of the pull rope is connected to the rotating shaft, and the collision table is arranged at the lower section of the hanging plate.

Preferably, the tray comprises a turntable, a boss, a cross rod and a clamp, wherein the turntable is arranged in the middle of the hanging plate, the boss is arranged at one end of the tray and is rotationally connected with the turntable, the cross rod array is arranged at the center of the tray, and the clamp is arranged on the cross rod.

Preferably, the clamp comprises a spring, a light hole and a lens, wherein the spring is arranged between the clamp and the tray and surrounds the outer side of the cross rod, the light hole is vertically arranged at two ends of the clamp, and the lens is arranged in the light hole.

Preferably, the rotating shaft comprises a first fixed table, a sealing cover and a controller, wherein the first fixed table is arranged at the top of the hanging plate and is rotationally connected with the rotating shaft, the sealing cover is arranged at two ends of the rotating shaft, and the controller is arranged in the middle of the rotating shaft and is connected with the hanging plate.

Preferably, the stay cord includes second fixed station, bull stick and head, and the second fixed station sets up the one end of keeping away from the link plate on the tray, and the bull stick rotates to be connected on the second fixed station, and the head setting is in the one end of stay cord and fixes the stay cord on the bull stick.

Preferably, the detection platform comprises an illumination platform, a support and a photosensitive plate, wherein the illumination platform is arranged at the bottom of the detection platform and below the tray, the support is arranged at the upper end of the detection platform, and the photosensitive plate is arranged on the support.

Preferably, the illumination table comprises a groove and a ray lamp, the groove is arranged on the upper surface of the illumination table, and the ray lamp is arranged in the groove.

Preferably, the support comprises positioning holes and bolts, the positioning hole array is arranged on the support, and the bolts penetrate through the photosensitive plate and the positioning holes to fix the photosensitive plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. The utility model uses the clamping device to fix the outline edge of the PCB, improves the detection precision and is suitable for products with different shapes, and particularly, the clamping device is used for clamping the PCB and determining the outline of the PCB at the same time so as to facilitate the detection platform to distinguish and reject products with unqualified shapes;

2. The comparison sample can be quickly replaced, is more suitable for the flow production of factories, and particularly, the bolt is fixed, so that the photosensitive plate can be quickly installed and detached, and the appearance of a corresponding standard product on the photosensitive plate can be quickly changed;

3. According to the utility model, defective products are rapidly removed by using the collision table, the production efficiency is improved, and particularly, when the products are unqualified, the detection table controls the rotating shaft to rotate and put down the pull ropes, the collision table on the hanging plate collides the defective PCB with the tray, and the fallen products are recovered and processed by the collecting tray.

Drawings

FIG. 1 is a perspective view of a PCB defective product self-pushing and rejecting device based on visual detection;

FIG. 2 is a perspective view of a hanging plate in a PCB defective product self-pushing and removing device based on visual detection;

FIG. 3 is a perspective view of a tray in a PCB defective product self-pushing and rejecting device based on visual detection;

FIG. 4 is a perspective view of a gripper in a PCB defective product self-pushing and rejecting device based on visual inspection;

FIG. 5 is a perspective view of a rotating shaft in a PCB defective product self-pushing and rejecting device based on visual detection;

Fig. 6 is a perspective view of a detection table in a PCB defective product self-pushing and rejecting device based on visual detection;

Fig. 7 is an enlarged view of a bracket in a PCB defective product self-pushing and rejecting device based on visual detection.

The reference numerals in the figures are: 1. a hanging plate; 2. a tray; 21. a turntable; 22. a boss; 23. a cross bar; 24. a clamp; 241. a spring; 242. a light hole; 243. a lens; 3. a rotating shaft; 31. a first fixed stage; 32. a cover; 33. a controller; 4. a pull rope; 41. a second fixed stage; 42. a rotating rod; 43. a seal head; 5. a bumping station; 6. a detection table; 61. an illumination table; 611. a groove; 612. a radiation lamp; 62. a bracket; 621. positioning holes; 622. a plug pin; 63. a photosensitive plate; 7. a collection tray; 8. a conveyor belt; 9. and a PCB board.

Detailed Description

The utility model will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the utility model and the specific objects and functions achieved.

Referring to fig. 1-7, a defective PCB board self-pushing removing device based on visual detection comprises a hanging board 1, a detection table 6, a collection tray 7 and a conveying belt 8, wherein the hanging board 1 comprises a tray 2, a rotating shaft 3, a pull rope 4 and a collision table 5, the hanging boards 1 are hung on the conveying belt 8 and move to one side along with the conveying belt 8, the detection table 6 is arranged on a moving path of the hanging board 1 so that the hanging board 1 can pass through the detection table 6, the collection tray 7 is arranged on one side of the detection table 6 and is located under the moving path of the hanging board 1, the PCB board 9 is arranged on the hanging board 1, the tray 2 is arranged on the hanging board 1 and rotates with the hanging board 1, the rotating shaft 3 is arranged at the top of the upper section of the hanging board 1, one end of the pull rope 4 is connected to the tray 2, the other end of the pull rope is connected to the rotating shaft 3, and the collision table 5 is arranged at the lower section of the hanging board 1.

The device places PCB board 9 through tray 2 and realizes the pipelined transportation of PCB board 9 by link plate 1 and conveyer belt 8, use detection platform 6 to detect PCB board 9 of process in the transportation, detection platform 6 uses the light source to shine PCB board 9, and judge whether the product accords with predetermined production appearance through the profile that shines, when the product is qualified, link plate 1 and tray 2 continue to transport PCB board 9, when the product is unqualified, detection platform 6 control pivot 3 rotates and put down stay cord 4, tray 2 loses the pulling force fixed and rotates downwards under the effect of gravity, hit platform 5 on the link plate 1 with the flaw PCB board 9 and hit tray 2, the product of falling is retrieved by collecting tray 7 and handles.

Referring to fig. 1 to 3, the tray 2 includes a turntable 21, a boss 22, a cross bar 23, and a clamper 24, the turntable 21 is disposed in the middle of the hanging plate 1, the boss 22 is disposed at one end of the tray 2 and is rotatably connected with the turntable 21, the cross bar 23 is disposed in the center of the tray 2, and the clamper 24 is mounted on the cross bar 23.

The rotary connection of the rotary table 21 and the boss 22 enables the tray 2 to rotate on the hanging plate 1, defective products are guaranteed to be automatically pushed and removed, the cross bars 23 are used for supporting the PCB 9 while the clamps 24 are installed, gaps reserved by the cross bars 23 distributed in an array are conducive to screening work of the detection table 6, the clamps 24 are used for clamping the PCB 9 and determining the outline of the PCB 9, and accordingly the detection table 6 is used for distinguishing and removing unqualified products.

Referring to fig. 3 to 4, the clamper 24 includes a spring 241, a light transmission hole 242, and a lens 243, the spring 241 is disposed between the clamper 24 and the tray 2 and surrounds the outside of the cross bar 23, the light transmission hole 242 is vertically disposed at both ends of the clamper 24, and the lens 243 is installed in the light transmission hole 242.

The spring 241 is compressed, so that the fixing capability of the clamping device 24 is further enhanced, the clamping device 24 has a certain resetting capability, the light holes 242 are used for installing the lenses 243, the lenses 243 change the light source frequency of the detection table 6, and the clamping device 24 distributed around the PCB 9 can display the outline of the PCB 9 in the detection table 6.

Referring to fig. 1 to 5, the rotating shaft 3 includes a first fixing table 31, a cover 32 and a controller 33, the first fixing table 31 is disposed at the top of the hanging plate 1 and is rotatably connected with the rotating shaft 3, the cover 32 is disposed at two ends of the rotating shaft 3, and the controller 33 is disposed in the middle of the rotating shaft 3 and is connected with the hanging plate 1.

The pivot 3 is used for pulling stay cord 4, and first fixed station 31 is used for installing pivot 3, and closing cap 32 makes the installation dismantlement that pivot 3 can be quick, is convenient for maintain, and controller 33 is connected with the top of detecting platform 6 when link plate 1 passes through detecting platform 6, is convenient for receive the rotation of the direct control tray 2 of detecting platform 6.

Referring to fig. 5, the pull rope 4 includes a second fixing table 41, a rotating rod 42 and a sealing head 43, the second fixing table 41 is disposed at one end of the tray 2 far away from the hanging plate 1, the rotating rod 42 is rotatably connected to the second fixing table 41, and the sealing head 43 is disposed at one end of the pull rope 4 and fixes the pull rope 4 on the rotating rod 42.

The second fixing table 41 is used for providing a fulcrum for the pull rope 4 to enable the tray 2 to rotate around the middle of the hanging plate 1, the sealing head 43 is used for fixing the rope end of the pull rope 4, and the rotating rod 42 rotates on the second fixing table 41 to enable the pull rope 4 to be always kept in a straightened state so as to provide maximum pulling force.

Referring to fig. 1 to 6, the inspection table 6 includes an illumination table 61, a support 62, and a photosensitive plate 63, the illumination table 61 is disposed at the bottom of the inspection table 6 and below the tray 2, the support 62 is mounted at the upper end of the inspection table 6, and the photosensitive plate 63 is mounted on the support 62.

The illumination table 61 is used as a light source to illuminate the photosensitive plate 63 on the bracket 62, when light passes through the tray 2, the light irradiates the PCB 9 from the gap in the cross bar 23, at this time, the light holes 242 on the clamp 24 enable part of the light source to pass through the lens 243, the outline of the PCB 9 is projected on the photosensitive plate 63, and whether the product is qualified is judged according to the outline.

Referring to fig. 6 to 7, the illumination table 61 includes a groove 611 and a radiation lamp 612, the groove 611 is provided at an upper surface of the illumination table 61, and the radiation lamp 612 is installed in the groove 611.

The grooves 611 are used for collecting the light emitted by the radiation lamp 612, so that the light is transmitted towards a direction right above, and the illumination intensity is ensured.

Referring to fig. 7, the bracket 62 includes positioning holes 621 and bolts 622, the positioning holes 621 are arranged in an array on the bracket 62, and the bolts 622 pass through the photosensitive plate 63 and the positioning holes 621 to fix the photosensitive plate 63.

The positioning holes 621 are used for installing the photosensitive plate 63, and the bolts 622 are fixed so that the photosensitive plate 63 can be quickly installed and removed, so that the appearance of the corresponding standard product on the photosensitive plate 63 can be quickly changed.

The foregoing examples merely illustrate one or more embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of the utility model should be assessed as that of the appended claims.

Claims

1. A PCB defective product self-pushing and removing device based on visual detection comprises a hanging plate (1), a detection table (6), a collection plate (7) and a conveyer belt (8); the utility model is characterized in that link plate (1) includes tray (2), pivot (3), stay cord (4) and hits platform (5), a plurality of link plates (1) hang on conveyer belt (8) and along with conveyer belt (8) to one side motion, detect platform (6) set up on the travel path of link plate (1) make link plate (1) can pass through detection platform (6), collection dish (7) set up in one side of detecting platform (6) and be in under link plate (1) travel path, PCB board (9) set up on link plate (1), tray (2) set up on link plate (1) and form the rotation with link plate (1), pivot (3) set up at the upper segment top of link plate (1), the one end of stay cord (4) is connected on tray (2), the other end is connected on pivot (3), hit platform (5) and set up the hypomere at link plate (1).

2. The PCB defective product self-pushing removing device based on visual inspection according to claim 1, wherein the tray (2) comprises a turntable (21), a boss (22), a cross rod (23) and a clamp (24), the turntable (21) is arranged in the middle of the hanging plate (1), the boss (22) is arranged at one end of the tray (2) and is rotationally connected with the turntable (21), the cross rod (23) is arranged at the center of the tray (2), and the clamp (24) is arranged on the cross rod (23).

3. The device for automatically pushing and removing defective PCB (printed circuit board) based on visual inspection according to claim 2, wherein the clamp (24) comprises a spring (241), a light hole (242) and a lens (243), the spring (241) is arranged between the clamp (24) and the tray (2) and surrounds the outer side of the cross rod (23), the light hole (242) is vertically arranged at two ends of the clamp (24), and the lens (243) is arranged in the light hole (242).

4. The PCB defective product self-pushing removing device based on visual inspection according to claim 1, wherein the rotating shaft (3) comprises a first fixed table (31), a sealing cover (32) and a controller (33), the first fixed table (31) is arranged at the top of the hanging plate (1) and is rotationally connected with the rotating shaft (3), the sealing cover (32) is arranged at two ends of the rotating shaft (3), and the controller (33) is arranged in the middle of the rotating shaft (3) and is connected with the hanging plate (1).

5. The PCB defective product self-pushing removing device based on visual detection according to claim 1, wherein the pull rope (4) comprises a second fixing table (41), a rotating rod (42) and a sealing head (43), the second fixing table (41) is arranged at one end, far away from the hanging plate (1), of the tray (2), the rotating rod (42) is rotationally connected to the second fixing table (41), and the sealing head (43) is arranged at one end of the pull rope (4) and fixes the pull rope (4) on the rotating rod (42).

6. The PCB defective product self-pushing and rejecting device based on visual inspection according to claim 1, wherein the inspection table (6) comprises an illumination table (61), a support (62) and a photosensitive plate (63), the illumination table (61) is arranged at the bottom of the inspection table (6) and below the tray (2), the support (62) is arranged at the upper end of the inspection table (6), and the photosensitive plate (63) is arranged on the support (62).

7. The visual inspection-based PCB defective product self-pushing and rejecting device according to claim 6, wherein the illumination table (61) comprises a groove (611) and a ray lamp (612), the groove (611) is arranged on the upper surface of the illumination table (61), and the ray lamp (612) is arranged in the groove (611).

8. The device for automatically pushing and removing defective PCB boards based on visual inspection according to claim 6, wherein the bracket (62) comprises positioning holes (621) and bolts (622), the positioning holes (621) are arranged on the bracket (62) in an array, and the bolts (622) penetrate through the photosensitive board (63) and the positioning holes (621) to fix the photosensitive board (63).