CN219853853U

CN219853853U - PCB polishing jig

Info

Publication number: CN219853853U
Application number: CN202321159000.7U
Authority: CN
Inventors: 李平
Original assignee: Dongguan Xinghan Yunzhi Electronics Co ltd
Current assignee: Dongguan Xinghan Yunzhi Electronics Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2023-10-20
Anticipated expiration: 2033-05-15

Abstract

The utility model discloses a PCB polishing jig, which belongs to the technical field of PCB processing equipment and comprises a supporting plate, wherein a plurality of fixing plate fixing grooves are formed in the top surface of the supporting plate, fixing plates are clamped in the fixing plate fixing grooves, PCB placing grooves are formed in the top surface of the fixing plates, component accommodating grooves are further formed in the bottom surface of the PCB placing grooves, and a bottom plate is arranged at the bottom of the supporting plate. This PCB board tool of polishing is through placing the PCB board embedded in the PCB board standing groove for the tin solder joint on the PCB board is up, and the components and parts are located the components and parts holding tank down, can not cause the fish tail to the components and parts, can be fixed the PCB board fast with the help of holding equipment, can not take place to remove at the in-process of polishing to the tin solder joint, has improved work efficiency, has guaranteed good quality of polishing, can not cause the PCB board impaired when polishing the oxide layer on the tin solder joint conveniently, can use after polishing.

Description

PCB polishing jig

Technical Field

The utility model relates to the technical field of PCB processing equipment, in particular to a PCB polishing jig.

Background

The PCB refers to a printed circuit board, also known as a printed circuit board, which is a provider of electrical connections for electronic components. The design of the PCB is mainly layout design, and the main advantages of the adoption of the circuit board are that the errors of wiring and assembly are greatly reduced, and the automation level and the production labor rate are improved.

Some soldering tin points of components and parts on the PCB board are placed for a long time, and cover the oxide layer, so that the components and parts can not be normally used and need to be polished, however, the edges of the PCB board are required to be clamped by clamping equipment at present, the edges of the PCB board can be damaged, and the components and parts on the PCB board can not be protected and are easy to damage.

Disclosure of Invention

The utility model aims to provide a PCB polishing jig which can be used for rapidly and stably fixing a PCB without clamping equipment, does not scratch components, can not damage the PCB when polishing an oxide layer on a tin welding spot, and can be used after polishing so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a PCB board tool of polishing, includes the backup pad, a plurality of fixed plate fixed slots have been seted up on the top surface of backup pad, the joint has the fixed plate in the fixed plate fixed slot, the PCB board standing groove has been seted up on the top surface of fixed plate, component holding groove has still been seted up on the groove bottom surface of PCB board standing groove, the bottom of backup pad is provided with the bottom plate.

Preferably, the top surface of the fixing plate is also provided with two symmetrically arranged handle grooves, and the two handle grooves are arranged on the left side and the right side of the PCB placing groove.

Preferably, four protection grooves are further formed in the top surface of the fixing plate, and the four protection grooves are formed in four corners of the PCB placement groove.

Preferably, the top surface of the supporting plate is further provided with a double number of fastening grooves in the fixing grooves of the fixing plate, each of the upper side and the lower side of the fixing groove of the fixing plate is provided with a fastening groove, each of the upper side and the lower side of the fixing plate is provided with a fastening lug, the fastening lugs are clamped in the fastening grooves, and the fastening lugs are fixed in the fastening grooves through screws.

Preferably, the bottom plate is fixedly provided with a plurality of sliding rails, the bottom surface of the supporting plate is fixedly provided with sliding blocks matched with the sliding rails, and the sliding blocks are correspondingly and slidably connected to the sliding rails one by one.

Preferably, mounting plates are fixed on the left side and the right side of the bottom plate, a screw rod is rotatably mounted between the two mounting plates through a bearing, a screw rod nut is fixedly mounted on the bottom surface of the supporting plate, and the screw rod nut is in threaded connection with the screw rod.

Preferably, a hand wheel is fixedly arranged at one end of the screw rod.

Preferably, a rubber pad is fixed on the bottom surface of the bottom plate.

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

through placing the PCB board embedded in the PCB board standing groove for the tin soldering point on the PCB board is up, and the components and parts are located the components and parts holding tank down, can not cause the fish tail to the components and parts, can be fixed the PCB board fast with the help of holding equipment, can not take place to remove at the in-process of polishing to the tin soldering point, has improved work efficiency, has guaranteed good quality of polishing, can not cause the PCB board impaired when polishing down the oxide layer on the tin solder joint in the convenience, can use after polishing, and the fixed plate setting is in the fixed plate fixed slot simultaneously, can be changed the fixed plate of prefabricated the PCB board standing groove that has different shapes and sizes in advance, only need to change the fixed plate, need not to change whole tool, has improved the PCB board efficiency of polishing to multiple different models.

Drawings

Fig. 1 is a schematic structural diagram of a polishing jig for a PCB board provided by the present utility model;

fig. 2 is a schematic perspective view of a polishing jig for a PCB board according to the present utility model;

fig. 3 is a schematic structural diagram of a supporting plate of the polishing jig for PCB boards provided by the utility model;

fig. 4 is a schematic structural diagram of a fixing plate of a PCB polishing jig provided by the utility model.

In the figure: 1. a bottom plate; 2. a support plate; 3. a fixing plate fixing groove; 4. a fixing plate; 5. a PCB board placing groove; 6. a component accommodating groove; 7. a handle groove; 8. a protection groove; 9. a fastening groove; 10. fastening the protruding block; 11. a slide rail; 12. a slide block; 13. a mounting plate; 14. a screw rod; 15. a screw nut; 16. a hand wheel; 17. and a rubber pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model provides a polishing jig for a PCB board, comprising a supporting plate 2, wherein a plurality of fixing plate fixing grooves 3 are formed on the top surface of the supporting plate 2, fixing plates 4 are clamped in the fixing plate fixing grooves 3, PCB board placing grooves 5 are formed on the top surface of the fixing plates 4, PCB boards with different shapes are required to be provided with PCB board placing grooves 5 with the shape and the size being compounded according to the actual shape and the size, component containing grooves 6 are also formed on the bottom surface of the grooves of the PCB board placing grooves 5, a bottom plate 1 is arranged at the bottom of the supporting plate 2, a rubber pad 17 is fixed on the bottom surface of the bottom plate 1, and the friction force between the bottom plate 1 and a placing platform can be increased through the rubber pad 17, so that the jig is not easy to slide during polishing; through placing PCB board embedded in PCB board standing groove 5 for the tin soldering point on the PCB board is up, and the components and parts are located component holding tank 6 down, can not cause the fish tail to the components and parts, can be fixed the PCB board fast with the help of holding equipment, can not take place to remove at the in-process of polishing to the tin soldering point, has improved work efficiency, has guaranteed good quality of polishing, can not cause the PCB board impaired when polishing down the oxide layer on the tin solder joint in the convenience, can use after polishing, and fixed plate 4 sets up in fixed plate fixed slot 3 simultaneously, can change fixed plate 4 fast, can prefabricate fixed plate 4 that has PCB board standing groove 5 of different shapes and sizes in advance, only need to change fixed plate 4, need not to change whole tool, has improved the PCB board efficiency of polishing to multiple different models.

Above can not take place to remove in order to guarantee behind the fixed back to the PCB board, the spacious volume of PCB board standing groove 5 is very little for take the PCB board very inconvenient, therefore, the handle groove 7 that two symmetries set up has still been seted up on the top surface of fixed plate 4, two handle grooves 7 set up the left and right sides at PCB board standing groove 5, utilize handle groove 7 can conveniently pinch the both sides of PCB board through finger or other instrument of taking, and then very conveniently take it out, in order to protect the corner of PCB board simultaneously, four protection grooves 8 have still been seted up on the top surface of fixed plate 4, four protection grooves 8 set up in the four corners department of PCB board standing groove 5, avoid causing the damage to the corner of PCB board, above handle groove 7 and protection groove 8 that set up to the PCB board of rectangle or having regular shape, handle groove 7 protection groove 8 should be seted up according to the suitable position of actual shape selection to irregular dysmorphism PCB board.

After the fixed plate 4 is placed in the fixed plate fixing groove 3, when the jig is taken or moved, the fixed plate 4 possibly falls off from the fixed plate fixing groove 3, in order to overcome the problem, the top surface of the supporting plate 2 is also provided with a double number of fastening grooves 9 in the fixed plate fixing groove 3, the upper side and the lower side of each fixed plate fixing groove 3 are respectively provided with a fastening convex block 9, the upper side and the lower side of each fixed plate 4 are respectively provided with a fastening convex block 10, the fastening convex blocks 10 are clamped in the fastening grooves 9, the fastening convex blocks 10 are fixed in the fastening grooves 9 through screws, the fastening convex blocks 10 are fixed in the fastening grooves 9 through the screws, the fixed plate 4 is further fixed in the fixed plate fixing groove 3, and the fixed plate 4 is not fallen off from the fastening convex blocks, and when the fixed plate 4 is replaced, the screws are only required to be unscrewed, the operation is simple and quick, and counter bores are adopted on the fastening convex blocks 10, so that the screws cannot protrude the fastening convex blocks 10, and the PCB is prevented from being polished.

In order to further improve the polishing efficiency of a plurality of PCB boards, a plurality of slide rails 11 are fixedly installed on the bottom plate 1, sliding blocks 12 matched with the slide rails 11 are fixedly installed on the bottom surface of the support plate 2, the sliding blocks 12 are slidably connected to the slide rails 11 in a one-to-one correspondence manner, mounting plates 13 are fixedly installed on the left side and the right side of the bottom plate 1, a screw rod 14 is rotatably installed between the two mounting plates 13 through bearings, a screw rod nut 15 is fixedly installed on the bottom surface of the support plate 2, the screw rod nut 15 is in threaded connection with the screw rod 14, a hand wheel 16 is fixedly installed at one end of the screw rod 14, the screw rod 14 is driven to rotate by utilizing the rotating hand wheel 16, further the support plate 2 can move on the bottom plate 1, a polishing station can be quickly changed, the next PCB board can be quickly replaced to polish after one PCB board is polished, limbs of workers cannot be located under polishing equipment, and safety is guaranteed while working efficiency is improved.

When the PCB polishing jig is used, the fixing plate 4 with the matched PCB placing grooves 5 is selected according to the shape and the size of the PCB to be polished, the fixing plate is placed in the fixing plate fixing groove 3, the fastening convex blocks 10 on the fixing plate 4 are fixed in the fastening grooves 9 through screws, after the fixing plate 4 is installed, the PCB is embedded into the PCB placing grooves 5, the soldering points on the PCB are upward, the components are located in the component containing grooves 6 downwards, the PCB can be placed into the polishing station to polish oxide layers on the soldering points through polishing equipment, after one PCB is polished, the position of the supporting plate 2 on the bottom plate 1 is changed through rotating the hand wheels 16, the next PCB is polished, after all the PCBs are polished, the two sides of the PCB are pinched by fingers or other taking tools through the hand buckling grooves 7, and then the PCB is taken out.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PCB board tool of polishing, includes backup pad (2), its characterized in that: offer a plurality of fixed plate fixed slots (3) on the top surface of backup pad (2), joint has fixed plate (4) in fixed plate fixed slot (3), PCB board standing groove (5) have been offered on the top surface of fixed plate (4), component holding groove (6) have still been offered on the groove bottom surface of PCB board standing groove (5), the bottom of backup pad (2) is provided with bottom plate (1).

2. The PCB board polishing jig according to claim 1, wherein: the top surface of the fixed plate (4) is also provided with two symmetrically arranged buckling hand grooves (7), and the two buckling hand grooves (7) are arranged on the left side and the right side of the PCB placement groove (5).

3. The PCB board polishing jig according to claim 2, wherein: four protection grooves (8) are further formed in the top surface of the fixing plate (4), and the four protection grooves (8) are arranged at four corners of the PCB placing groove (5).

4. The PCB board polishing jig according to claim 1, wherein: the top surface of the supporting plate (2) is also provided with double fastening grooves (9) of the fixing grooves (3) of the fixing plate, each fastening groove (9) is arranged on the upper side and the lower side of each fixing groove (3), each fastening lug (10) is arranged on the upper side and the lower side of each fixing plate (4), the fastening lugs (10) are clamped in the fastening grooves (9), and the fastening lugs (10) are fixed in the fastening grooves (9) through screws.

5. The PCB board polishing jig according to claim 1, wherein: a plurality of sliding rails (11) are fixedly arranged on the bottom plate (1), sliding blocks (12) matched with the sliding rails (11) are fixedly arranged on the bottom surface of the supporting plate (2), and the sliding blocks (12) are correspondingly and slidingly connected to the sliding rails (11) one by one.

6. The PCB board polishing jig according to claim 5, wherein: the screw rod (14) is rotatably mounted between the two mounting plates (13) through bearings, a screw rod nut (15) is fixedly mounted on the bottom surface of the supporting plate (2), and the screw rod nut (15) is in threaded connection with the screw rod (14).

7. The PCB board polishing jig of claim 6, wherein: and a hand wheel (16) is fixedly arranged at one end of the screw rod (14).

8. The PCB board polishing jig according to claim 1, wherein: a rubber pad (17) is fixed on the bottom surface of the bottom plate (1).