CN220445950U - Polishing device for PCB (printed circuit board) production and processing - Google Patents

Abstract

The utility model provides a polishing device for producing and processing a PCB (printed circuit board), which relates to the technical field of PCB production devices and comprises a polishing device body for polishing a circuit board and a clamping assembly for clamping the circuit board, wherein a braking piece drives a first bracket and a second bracket which are oppositely arranged to move relatively, a limiting piece can limit and support the first bracket and the second bracket, the limiting brackets at the tops of the first bracket and the second bracket clamp the PCB, when the PCB deflects, elastic pieces arranged between the first bracket and the second bracket at two ends and the limiting brackets are stressed differently, the limiting brackets at one end are expanded and extruded by the elastic pieces with larger stress, so that the limiting brackets at the end drive the PCB to deflect towards the middle, and the PCB is clamped by the elastic pieces at the two ends to keep the PCB at a central position.

Description

Polishing device for PCB (printed circuit board) production and processing

Technical Field

The utility model relates to the technical field of PCB circuit board production devices, in particular to a polishing device for PCB circuit board production and processing.

Background

The PCB is an important electronic component, is a supporting body of the electronic component, is a carrier for electric connection of the electronic component, is also called a printed circuit board, and is called a printed circuit board because the PCB is manufactured by adopting an electronic printing technology, the PCB circuit board consists of an insulating bottom plate, connecting wires and a bonding pad for assembling and welding the electronic component, has the dual functions of a conductive circuit and the insulating bottom plate, can replace complex wiring, realizes electric connection among components in the circuit, not only simplifies assembly and welding work of electronic products, reduces wiring workload in a traditional mode, greatly lightens labor intensity of workers, reduces the whole machine volume, reduces the product cost and improves the quality and reliability of electronic equipment.

Most polishing wheels of the existing polishing devices for producing and processing the PCB cannot automatically move, the placing plates cannot automatically lift and cannot be fixed according to the size of the PCB, the stability is low, the flexibility is poor, the polishing efficiency is reduced, the polishing device is not beneficial to users, and the practicability of the polishing device for producing and processing the PCB is reduced.

Therefore, it is necessary to provide a new polishing device for producing and processing the PCB circuit board to solve the above technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a polishing device for producing and processing a PCB.

The polishing device for producing and processing the PCB comprises a polishing device body for polishing the PCB and clamping assemblies for clamping the PCB, wherein the clamping assemblies are arranged on the inner wall of the polishing device body, and the output ends of the clamping assemblies are positioned on two sides of the top of the polishing device body;

the clamping assembly comprises a braking piece, a clamping piece and a limiting piece, wherein the bottom of the braking piece is fixedly connected with the bottom wall of the polishing device body, the limiting piece is fixedly connected to two ends of the bottom of the polishing device body, and the outer surface of the top of the limiting piece is movably connected with the inner side wall of the clamping piece;

the clamping piece comprises a first support and a second support, wherein brake racks are respectively and oppositely arranged on the inner side walls of the first support and the second support, the brake racks are respectively and movably connected to two ends of the bottom of the braking piece, the brake racks are respectively arranged in through grooves formed in one ends of the first support and the second support in a penetrating mode, limiting supports and elastic pieces are respectively and oppositely arranged on the inner side walls of the tops of the first support and the second support, and the elastic pieces are located between the inner side walls of the first support and the second support and between the side walls of the limiting supports.

Further, the braking piece includes braking motor and first gear, braking motor bottom fixed connection is in grinding device body diapire, braking motor output passes through axostylus axostyle and first gear bottom center department fixed connection.

Further, the locating part includes two linking bridge and two gag lever posts, two linking bridge inside wall is fixed connection respectively in grinding device body bottom both ends, linking bridge inside wall both ends top respectively with two gag lever post fixed connection.

Further, the first support includes first balladeur train, first card frame, first skeleton and two first frames, first balladeur train both ends inside wall respectively with two gag lever post one end surface swing joint, first balladeur train top and first skeleton fixed connection, first skeleton one end lateral wall and first card frame fixed connection, first skeleton top is close to the one end both sides of second support respectively with two first frame lateral wall fixed connection.

Further, the second support includes second balladeur train, second card frame, second skeleton and two second frames, second balladeur train both ends inside wall keep away from the one end surface swing joint of first balladeur train with two gag lever posts respectively, second balladeur train top and second skeleton fixed connection, second skeleton one end lateral wall and second card frame fixed connection, second skeleton top be close to first fixed one end both sides respectively with two first frame lateral wall fixed connection.

Further, braking racks are respectively arranged on opposite sides of the first clamping frame and the second clamping frame in a staggered mode, the inner side walls of the braking racks are respectively connected with the first gears in a meshed mode, and limiting brackets and elastic pieces are respectively arranged on the inner side walls of the two first frames and the inner side walls of the two second frames.

Further, the limit bracket comprises a sliding bracket and a clamping bracket, the upper end and the lower end of the sliding bracket are respectively and movably connected with the first frame and the second frame, and the inner side wall of one end of the sliding bracket, which is far away from the first frame and the second frame, is provided with a square clamping bracket.

Further, the sliding support is far away from the first frame and the inner side wall of one end of the second frame is provided with a circular clamping support.

Compared with the related art, the polishing device for producing and processing the PCB has the following beneficial effects:

according to the utility model, the braking racks arranged on the first bracket and the second bracket which are oppositely arranged are driven by the braking piece to do relative motion, the limiting piece can carry out limiting support on the first bracket and the second bracket, the limiting brackets at the tops of the first bracket and the second bracket clamp the PCB circuit board, when the PCB circuit board is deflected, the elastic pieces arranged between the first bracket and the second bracket at two ends and the limiting brackets are stressed differently, the elastic piece with larger stress can expand and squeeze the limiting bracket at one end, so that the limiting bracket at the end drives the PCB circuit board to deflect towards the middle, and the elastic pieces at two ends mutually squeeze the PCB circuit board to clamp the PCB circuit board, so that the PCB circuit board is kept at the central position.

Drawings

Fig. 1 is a schematic structural diagram of a polishing device for producing and processing a PCB circuit board;

fig. 2 is a schematic diagram II of a polishing device for producing and processing a PCB circuit board;

FIG. 3 is a schematic view of a clamping assembly according to the present utility model;

FIG. 4 is a schematic structural view of a brake member according to the present utility model;

FIG. 5 is a schematic structural view of a first bracket according to the present utility model;

FIG. 6 is a schematic structural diagram of a second embodiment of the present utility model;

FIG. 7 is a schematic view of a third embodiment of the present utility model;

fig. 8 is a schematic structural view of a limiting bracket provided by the utility model.

Reference numerals in the drawings: 1. a polishing device body; 2. braking the motor; 3. a first gear; 4. a first carriage; 5. a first clamping frame; 6. a first skeleton; 7. a first frame; 8. a second carriage; 9. a second clamping frame; 10. a second skeleton; 11. a second frame; 12. a brake rack; 13. a sliding bracket; 14. a clamping bracket; 15. an elastic member; 16. a connecting bracket; 17. and a limit rod.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8 in combination, fig. 1 is a schematic structural diagram of a polishing device for PCB production and processing provided by the present utility model; fig. 2 is a schematic diagram II of a polishing device for producing and processing a PCB circuit board; FIG. 3 is a schematic view of a clamping assembly according to the present utility model; FIG. 4 is a schematic structural view of a brake member according to the present utility model; FIG. 5 is a schematic structural view of a first bracket according to the present utility model; FIG. 6 is a schematic structural diagram of a second embodiment of the present utility model; FIG. 7 is a schematic view of a third embodiment of the present utility model; fig. 8 is a schematic structural view of a limiting bracket provided by the utility model.

Example 1

In the specific implementation process, as shown in fig. 1 to 6, the polishing device comprises a polishing device body 1 for polishing a circuit board and clamping components for clamping the circuit board, wherein the inner wall of the polishing device body 1 is provided with the clamping components, the output ends of the clamping components are positioned at two sides of the top of the polishing device body 1, the clamping components comprise a braking piece, a clamping piece and a limiting piece, the bottom of the braking piece is fixedly connected with the bottom wall of the polishing device body 1, the braking piece comprises a braking motor 2 and a first gear 3, the bottom of the braking motor 2 is fixedly connected with the bottom wall of the polishing device body 1, the output ends of the braking motor 2 are fixedly connected with the center of the bottom of the first gear 3 through a shaft rod, the limiting piece is fixedly connected with two ends of the bottom of the polishing device body 1, the outer surface of the top of the limiting piece is movably connected with the inner side walls of the clamping piece, the clamping piece comprises a second bracket, the inner side walls of the first bracket and the second bracket are respectively and oppositely provided with a braking rack 12, the brake rack 12 is respectively and movably connected with two ends of the bottom of the brake piece, the brake rack 12 is respectively arranged in through grooves formed in one ends of the first bracket and the second bracket in a penetrating way, the inner side walls of the tops of the first bracket and the second bracket are respectively and oppositely provided with a limiting bracket and an elastic piece 15, the elastic piece 15 is positioned between the inner side walls of the first bracket and the second bracket and between the side walls of the limiting brackets, the first bracket comprises a first sliding frame 4, a first clamping frame 5, a first framework 6 and two first frames 7, the inner side walls of two ends of the first sliding frame 4 are respectively and movably connected with the outer surfaces of one ends of two limiting rods 17, the top of the first sliding frame 4 is fixedly connected with the first framework 6, one end side wall of the first framework 6 is fixedly connected with the first clamping frame 5, two sides of one end of the top of the first framework 6 close to the second bracket are respectively and fixedly connected with the two side walls of the first frames 7, the second bracket comprises a second carriage 8, a second clamping frame 9, a second framework 10 and two second frames 11, wherein the inner side walls at two ends of the second carriage 8 are respectively and movably connected with the outer surfaces of one ends of two limiting rods 17 far away from the first carriage 4, the top of the second carriage 8 is fixedly connected with the second framework 10, the side walls at one end of the second framework 10 are fixedly connected with the second clamping frame 9, two sides of one end, close to a first fixing, of the top of the second framework 10 are respectively and fixedly connected with the side walls of two first frames 7, one sides, opposite to the first clamping frame 5 and the second clamping frame 9, of the second framework 9 are respectively and alternately provided with a brake rack 12, the inner side walls of the brake rack 12 are respectively and joggled with the first gear 3, the inner side walls of the two first frames 7 and the second frames 11 are respectively provided with a limiting bracket and an elastic piece 15, the limiting bracket comprises a sliding bracket 13 and a clamping bracket 14, the upper end and the lower end of the sliding bracket 13 are respectively and movably connected with the first frames 7 and the second frames 11, the inner side wall of one end of the sliding bracket 13 far away from the first frame 7 and the second frame 11 is provided with a square clamping bracket 14, the output end of the braking motor 2 drives the first gear 3 to rotate through a shaft rod, so that the first gear 3 drives the first clamping frame 5 and the braking rack 12 on the second clamping frame 9 to move reversely, at the moment, the first clamping frame 5 drives the first sliding frame 4 and the first framework 6 to move on the limiting piece, the second clamping frame 9 drives the second sliding frame 8 and the second framework 10 to move on the limiting piece towards the direction of the first clamping frame 5, the first gear 3 drives the first clamping frame 5 and the second clamping frame 9 to shrink or expand simultaneously, the first framework 6 and the second framework 11 can be driven to shrink or expand simultaneously respectively, and when the PCB circuit board is put into the polishing device body 1, through conveying, the PCB circuit board reaches the sliding support 13 of first frame 7 and second frame 11 one end at first, the clamping device body 1 is got into to four centre gripping supports 14 at both ends, when the PCB circuit board takes place the skew this moment, through the elastic component 15 atress difference in first frame 7 in both ends and the second frame 11, the elastic component 15 atress is great can expand extrusion to the sliding support 13 of one end, make the sliding support 13 of this end drive the PCB circuit board of clamping support 14 one end to the centre offset, through the mutual extrusion of elastic component 15 at both ends, make the PCB circuit board keep in central point, when the PCB circuit board is continuously conveyed to grinding device body 1 and is polished, PCB circuit board front end gets into grinding device body 1, and the rear end of PCB circuit board is still fixed by four centre gripping supports 14, after the PCB circuit board finishes polishing, can be fixed by four centre gripping supports 14 that are located the grinding device body 1 other end, make PCB circuit board pass through grinding device body 1 and break away from after the position of PCB circuit board still keeps in the centre.

Example two

According to the illustration of fig. 7, following the same structure as detailed in embodiment one, unlike embodiment one,

the locating part includes two linking bridge 16 and two gag lever posts 17, two linking bridge 16 inside walls are fixed connection respectively in grinding device body 1 bottom both ends, linking bridge 16 inside wall both ends top respectively with two gag lever posts 17 fixed connection, through linking bridge 16 and gag lever post 17's fixed connection, make the locating part fix at the both ends of grinding device body 1, move on gag lever post 17 through first balladeur train 4 and second balladeur train 8, gag lever post 17 can provide the fixed effect of support to first balladeur train 4 and second balladeur train 8, and also can carry out horizontal spacing to first balladeur train 4 and second balladeur train 8.

Example III

As shown in fig. 8, following the same structure as detailed in the first embodiment, unlike the second embodiment,

the sliding support 13 is far away from the first frame 7 and the inner side wall of one end of the second frame 11 is provided with a circular clamping support 14, the circular clamping support 14 moves on the first frame 7 and the second frame 11 respectively, when the PCB circuit board is fixed by the circular clamping support 14, the circular clamping support 14 can reduce the contact surface of the PCB circuit board through the rotation of the circular clamping support 14, so that the friction of the circular clamping support 14 to the PCB circuit board is relatively reduced.

The working principle provided by the utility model is as follows: in the concrete implementation of the utility model, the output end of the brake motor 2 drives the first gear 3 to rotate through the shaft rod, so that the first gear 3 drives the brake racks 12 on the first clamping frame 5 and the second clamping frame 9 to reversely move, the limiting rod 17 can provide supporting and fixing functions for the first sliding frame 4 and the second sliding frame 8, and also can transversely limit the first sliding frame 4 and the second sliding frame 8, the first gear 3 drives the first clamping frame 5 and the second clamping frame 9 to simultaneously shrink or expand, so that the first framework 6 and the second framework 6 can simultaneously drive the first framework 7 and the second framework 11 to simultaneously shrink or expand respectively, when the PCB circuit board is put into the polishing device body 1, the PCB circuit board firstly reaches the sliding brackets 13 at one end of the first framework 7 and the second framework 11 through transmission, the PCB circuit board is firstly clamped by the four clamping brackets 14 at two ends, when the PCB circuit board is deflected, the sliding support 13 at one end is expanded and extruded by the elastic pieces 15 in the first frame 7 and the second frame 11 at the two ends, so that the sliding support 13 at the end drives the PCB circuit board at one end of the clamping support 14 to deflect towards the middle, the PCB circuit board is kept at the center position by the mutual extrusion of the elastic pieces 15 at the two ends, the front end of the PCB circuit board enters the polishing device body 1 when the PCB circuit board is continuously conveyed to the polishing device body 1 for polishing, the rear end of the PCB circuit board is still fixed by the four clamping supports 14, after the PCB circuit board is polished, the PCB circuit board is fixed by the four clamping supports 14 at the other end of the polishing device body 1, the position of the PCB circuit board is still kept in the middle after the PCB circuit board is polished and separated by the polishing device body 1, the circular clamping brackets 14 are respectively movable on the first frame 7 and the second frame 11, when the PCB circuit board is fixed by the circular clamping brackets 14, the circular clamping brackets 14 can reduce the contact surface to the PCB circuit board through the rotation of the circular clamping brackets 14, so that the friction of the circular clamping brackets 14 to the PCB circuit board is relatively reduced.

The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (8)

1. The polishing device for the production and processing of the PCB is characterized by comprising a polishing device body (1) for polishing the PCB and clamping components for clamping the PCB, wherein the clamping components are arranged on the inner wall of the polishing device body (1), and the output ends of the clamping components are positioned on two sides of the top of the polishing device body (1);

the clamping assembly comprises a braking piece, a clamping piece and a limiting piece, wherein the bottom of the braking piece is fixedly connected with the bottom wall of the polishing device body (1), the limiting piece is fixedly connected to two ends of the bottom of the polishing device body (1), and the outer surface of the top of the limiting piece is movably connected with the inner side wall of the clamping piece;

the clamping piece comprises a first support and a second support, wherein brake racks (12) are respectively and oppositely arranged on the inner side walls of the first support and the second support, the brake racks (12) are respectively and movably connected to two ends of the bottom of the braking piece, the brake racks (12) are respectively arranged in through grooves formed in one ends of the first support and the second support in a penetrating mode, limiting supports and elastic pieces (15) are respectively and oppositely arranged on the inner side walls of the tops of the first support and the second support, and the elastic pieces (15) are located between the inner side walls of the first support and the second support and the side walls of the limiting supports.

2. The polishing device for producing and processing the PCB circuit board according to claim 1, wherein the braking piece comprises a braking motor (2) and a first gear (3), the bottom of the braking motor (2) is fixedly connected to the bottom wall of the polishing device body (1), and the output end of the braking motor (2) is fixedly connected with the bottom center of the first gear (3) through a shaft rod.

3. The polishing device for producing and processing the PCB circuit board according to claim 1, wherein the limiting piece comprises two connecting brackets (16) and two limiting rods (17), the inner side walls of the two connecting brackets (16) are respectively and fixedly connected to two ends of the bottom of the polishing device body (1), and the tops of the two ends of the inner side walls of the connecting brackets (16) are respectively and fixedly connected with the two limiting rods (17).

4. The polishing device for producing and processing the PCB circuit board according to claim 2, wherein the first bracket comprises a first sliding frame (4), a first clamping frame (5), a first framework (6) and two first frames (7), inner side walls at two ends of the first sliding frame (4) are respectively movably connected with outer surfaces at one ends of two limiting rods (17), the top of the first sliding frame (4) is fixedly connected with the first framework (6), one end side wall of the first framework (6) is fixedly connected with the first clamping frame (5), and two sides at one end, close to the second bracket, of the top of the first framework (6) are respectively fixedly connected with two side walls of the first frames (7).

5. The polishing device for producing and processing the PCB circuit board according to claim 4, wherein the second bracket comprises a second sliding frame (8), a second clamping frame (9), a second framework (10) and two second frames (11), inner side walls at two ends of the second sliding frame (8) are respectively movably connected with outer surfaces of one ends of two limiting rods (17) far away from the first sliding frame (4), the top of the second sliding frame (8) is fixedly connected with the second framework (10), side walls at one end of the second framework (10) are fixedly connected with the second clamping frame (9), and two sides of one end, close to the first fixation, of the top of the second framework (10) are respectively fixedly connected with side walls of the two first frames (7).

6. The polishing device for producing and processing the PCB according to claim 5, wherein brake racks (12) are respectively arranged on opposite sides of the first clamping frame (5) and the second clamping frame (9) in a staggered manner, inner side walls of the brake racks (12) are respectively connected with the first gear (3) in a meshed manner, and limit brackets and elastic pieces (15) are respectively arranged on inner side walls of the two first frames (7) and the two second frames (11).

7. The polishing device for producing and processing the PCB circuit board according to claim 6, wherein the limiting support comprises a sliding support (13) and a clamping support (14), the upper end and the lower end of the sliding support (13) are respectively movably connected with the first frame (7) and the second frame (11), and the inner side wall of one end, far away from the first frame (7) and the second frame (11), of the sliding support (13) is provided with a square clamping support (14).

8. The polishing device for producing and processing the PCB circuit board according to claim 7, wherein the inner side wall of one end of the sliding bracket (13) far away from the first frame (7) and the second frame (11) is provided with a circular clamping bracket (14).