阅读说明：本技术 一种单动力源多方向夹紧焊接机构 (Multi-direction tight welding mechanism that presss from both sides of single power supply ) 是由 雷江涛 江南 于 2021-04-12 设计创作，主要内容包括：本发明公开了一种单动力源多方向夹紧焊接机构,包括：固定座、载座以及夹持机构；所述夹持机构包括气缸和压紧机构,所述气缸固定在固定座上,延伸端连接压紧机构,所述载座也固定在固定座上,位于压紧机构的下方；所述压紧机构包括压紧座、压紧主体以及多个压紧板组。本机构只使用一个动力源来完成多方向的夹紧动作,同步完成的夹紧动作使零件不产生变形,并且节省了多个动力源安装的空间,减少了制造成本；高效的夹紧动作,大幅度提高了生产效率。(The invention discloses a single-power-source multi-direction clamping and welding mechanism, which comprises: the clamping device comprises a fixed seat, a carrying seat and a clamping mechanism; the clamping mechanism comprises an air cylinder and a pressing mechanism, the air cylinder is fixed on the fixed seat, the extending end of the air cylinder is connected with the pressing mechanism, and the carrying seat is also fixed on the fixed seat and positioned below the pressing mechanism; the pressing mechanism comprises a pressing seat, a pressing main body and a plurality of pressing plate groups. The mechanism only uses one power source to complete multidirectional clamping actions, the synchronously completed clamping actions enable parts not to deform, the installation space of a plurality of power sources is saved, and the manufacturing cost is reduced; the efficient clamping action greatly improves the production efficiency.)

1. A single power source multi-directional pinch weld mechanism, comprising: a fixed seat (1), a carrying seat (2) and a clamping mechanism (3);

the clamping mechanism (3) comprises an air cylinder (301) and a pressing mechanism, the air cylinder (301) is fixed on the fixed seat (1), the extending end of the air cylinder is connected with the pressing mechanism, and the carrying seat (2) is also fixed on the fixed seat (1) and is positioned below the pressing mechanism;

the pressing mechanism comprises a pressing seat (302), a pressing main body (303) and a plurality of pressing plate groups, the upper end part of the pressing main body (303) is fixed with the extending end of the cylinder (301) and is inserted into the upper end face of the pressing seat (302), a main body lifting limiting hole (304) is formed in the pressing main body (303) in the lifting direction, a pressing seat limiting hole (305) is formed in the pressing seat (302), a limiting block (306) with the size consistent with that of the pressing seat limiting hole (305) penetrates through the pressing seat limiting hole (305) and the main body lifting limiting hole (304), and the longitudinal height of the main body lifting limiting hole (304) is higher than that of the pressing seat limiting hole (305), so that after the pressing main body (303) and the pressing seat (302) simultaneously descend, when the pressing seat (302) reaches the lowest position, the pressing main body (303) can continuously descend for a certain distance;

the pressing plate group comprises a pressing block (307), a pressing spring (308), a pressing spring stop block (309) and a pressing plate (310), the pressing main body (303) penetrates through the pressing block (307) and is provided with a main body inclined plane (311) which is transited towards the lower side of the outer side, the pressing block (307) is perpendicular to the pressing main body (303), a pressing block inclined plane (312) which is transited towards the lower side of the inner side is arranged at a position corresponding to the main body inclined plane (311), two ends of the pressing block (307) respectively extend to a pressing seat (302), one end of the pressing block (307) is fixed with the pressing spring stop block (309) and presses the pressing spring (308) against the pressing seat (302), and the other end of the pressing block (310) which extends towards the load seat (2) is fixed;

after the pressing main body (303) and the pressing seat (302) descend simultaneously, when the pressing seat (302) reaches the lowest position, at the moment, the limiting block (306) is located at the lowest position of the main body lifting limiting hole (304), the pressing main body (303) continues to move downwards, the main body inclined plane (311) and the pressing block inclined plane (312) are gradually separated, and the pressing block (307) moves towards one side of the spring under the action of the pressing spring (308) to drive the pressing plate (310) to move inwards;

the pressing plate groups are arranged in a plurality of directions of the pressing seat (302), and the pressing plates (310) in all directions are close to the center of the pressing seat (302) to clamp the workpiece on the carrying seat (2).

2. The single power source multi-directional grip welding mechanism of claim 1, wherein: the pressing mechanism further comprises a cam pressing plate group, the inclined surface (312) of the pressing block of the pressing plate group is replaced by a cam bearing follower (313), the rest structures of the cam pressing plate group are consistent with those of the pressing plate group, and the cam bearing follower (313) rotates along the movement direction of the pressing main body (303).

3. The single power source multi-directional grip welding mechanism of claim 1, wherein: the fixing seat (1) is provided with a linear guide rail (101), and the pressing seat (302) is arranged on the linear guide rail (101) through a guide rail connecting block (102).

4. The single power source multi-directional grip welding mechanism of claim 1, wherein: the cylinder (301) extends the end and is equipped with cylinder connecting block (314), and it is fixed with the upper end that compresses tightly main part (303) through cylinder connecting block (314).

5. The single power source multi-directional grip welding mechanism of claim 1, wherein: the pressing device is characterized in that a lifting spring (315) is arranged on one side of the pressing main body (303), the pressing main body (303) extends towards the side edge to form a longitudinal stop block (316), and the lifting spring (315) is arranged between the longitudinal stop block (316) and the pressing seat (302).

Technical Field

The invention relates to the technical field of automation, in particular to a multi-direction clamping and welding mechanism with a single power source.

Background

In recent years, the rapid development of industry enables many skills which can be mastered or operated by manpower to be replaced by mechanisms, for example, the welding technology adopts automation, the manual requirement is replaced by machinery, and the production efficiency is improved. Meanwhile, in the welding process, in order to ensure that the relative position of the materials is unchanged, a clamping and positioning device is needed to determine the positions among the parts and maintain the clamping state. The existing clamping and positioning device generally only has the capability of unidirectional clamping. When the production requirement that the clamping is needed in multiple directions is met, the clamping can be completed only by superposing the same mechanisms, so that certain influence is brought to the manufacturing cost and the layout space. Therefore, how to make the clamping mechanism have multi-directional clamping capability and use one power source to complete the clamping operation becomes a technical problem to be solved by those skilled in the art.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects of the background art, the invention discloses a multi-direction clamping and welding mechanism with a single power source.

The technical scheme is as follows: the invention relates to a single-power-source multi-direction clamping and welding mechanism, which comprises: the clamping device comprises a fixed seat, a carrying seat and a clamping mechanism;

the clamping mechanism comprises an air cylinder and a pressing mechanism, the air cylinder is fixed on the fixed seat, the extending end of the air cylinder is connected with the pressing mechanism, and the carrying seat is also fixed on the fixed seat and positioned below the pressing mechanism;

the pressing mechanism comprises a pressing seat, a pressing body and a plurality of pressing plate groups, the upper end part of the pressing body is fixed with the extending end of the air cylinder and is inserted into the upper end face of the pressing seat, a body lifting limiting hole is formed in the pressing body along the lifting direction, a pressing seat limiting hole is formed in the pressing seat, a limiting block with the same size as the pressing seat limiting hole penetrates through the pressing seat limiting hole and the body lifting limiting hole, and the body lifting limiting hole is higher than the pressing seat limiting hole in the longitudinal direction, so that after the pressing body and the pressing seat descend simultaneously, the pressing body can continue to descend for a certain distance after the pressing seat reaches the lowest position;

the pressing plate group comprises a pressing block, a pressing spring stop block and a pressing plate, the pressing body penetrates through the pressing block and is provided with a main body inclined plane which is in transition towards the lower side of the pressing block, the pressing block is perpendicular to the pressing body, the pressing block inclined plane which is in transition towards the lower side of the pressing block is arranged at the position corresponding to the main body inclined plane, two ends of the pressing block respectively extend to a pressing seat, the pressing spring stop block is fixed at one end of the pressing block and presses the pressing spring to the pressing seat, and the pressing plate which extends towards the direction of the load seat is fixed at the other end of the pressing block;

after the pressing main body and the pressing seat descend simultaneously, when the pressing seat reaches the lowest position, the limiting block is located at the lowest position of the main body lifting limiting hole, the pressing main body continues to move downwards, the main body inclined plane and the pressing block inclined plane are gradually separated, and the pressing block moves towards one side of the spring under the action of the pressing spring to drive the pressing plate to move inwards;

the pressing plate groups are arranged in a plurality of directions of the pressing seat, and the pressing plates in all directions are close to the center of the pressing seat to clamp the workpiece on the loading seat.

Furthermore, the pressing mechanism further comprises a cam pressing plate group, the inclined surface of a pressing block of the pressing plate group is replaced by a cam bearing follower, the rest structures of the pressing block are consistent with those of the pressing plate group, and the cam bearing follower rotates along the movement direction of the pressing main body.

Further, a linear guide rail is arranged on the fixed seat, and the pressing seat is arranged on the linear guide rail through a guide rail connecting block.

Further, the cylinder extends the end and is equipped with the cylinder connecting block, and it is fixed with the upper end that compresses tightly the main part through the cylinder connecting block.

Furthermore, a lifting spring is arranged on one side of the pressing main body, the pressing main body extends towards the side edge to form a longitudinal stop block, and the lifting spring is arranged between the longitudinal stop block and the pressing seat.

Has the advantages that: compared with the prior art, the invention has the advantages that: the multi-directional clamping action is completed by using only one power source, the part is not deformed by the synchronously completed clamping action, the installation space of a plurality of power sources is saved, and the manufacturing cost is reduced; the efficient clamping action greatly improves the production efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an overall view of the clamping mechanism of the present invention;

FIG. 3 is an exploded view of the clamping mechanism configuration of the present invention;

FIG. 4 is a view showing the connection structure of the pressing plate group A according to the present invention;

FIG. 5 is a view showing the connection structure of the pressing plate group B according to the present invention;

FIG. 6 is a view of the connecting structure of the pressing plate set C of the present invention;

fig. 7 is a connection structure view of the cam pressing plate group D of the present invention.

Detailed Description

The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.

The single power source multi-directional pinch welding mechanism as shown in fig. 1, comprising: fixing base 1, carrier 2 and fixture 3.

Fixture 3 includes cylinder 301 and hold-down mechanism, cylinder 301 is fixed on fixing base 1, and hold-down mechanism is connected to the extension end, carry seat 2 and also fix on fixing base 1, be located hold-down mechanism's below.

As shown in fig. 2 and 3, the pressing mechanism includes a pressing base 302, a pressing body 303, and a plurality of pressing plate sets, the upper end of the pressing body 303 is fixed to the extending end of the cylinder 301 and inserted into the upper end face of the pressing base 302, the pressing body 303 is provided with a body lifting limiting hole 304 along the lifting direction, the pressing base 302 is provided with a pressing base limiting hole 305, a limiting block 306 with the same size as the pressing base limiting hole 305 passes through the pressing base limiting hole 305 and the body lifting limiting hole 304, and the body lifting limiting hole 304 is vertically higher than the pressing base limiting hole 305, so that after the pressing body 303 and the pressing base 302 are lowered simultaneously, the pressing body 303 can be further lowered for a distance after the pressing base 302 reaches the lowest position.

The pressing plate group comprises a pressing block 307, a pressing spring 308, a pressing spring stop block 309 and a pressing plate 310, the pressing body 303 penetrates through the pressing block 307 and is provided with a main body inclined surface 311 which is in transition towards the outer lower side, the pressing block 307 is perpendicular to the pressing body 303, a pressing block inclined surface 312 which is in transition towards the inner lower side is arranged at a position corresponding to the main body inclined surface 311, two ends of the pressing block 307 extend to the pressing seat 302 respectively, the pressing spring stop block 309 is fixed at one end of the pressing block 307, the pressing spring 308 is pressed on the pressing seat 302, and the pressing plate 310 which extends towards the direction of the load seat 2 is fixed at the other end of the pressing block.

After the pressing main body 303 and the pressing base 302 descend simultaneously, when the pressing base 302 reaches the lowest position, at this time, the limiting block 306 is located at the lowest position of the main body lifting limiting hole 304, the pressing main body 303 continues to move downwards, the main body inclined plane 311 and the pressing block inclined plane 312 are gradually separated, and the pressing block 307 moves towards one side of the spring under the action of the pressing spring 308 to drive the pressing plate 310 to move inwards.

The pressing mechanism further comprises a cam pressing plate group, the cam pressing plate group is formed by replacing a pressing block inclined surface 312 of the pressing plate group with a cam bearing follower 313, the rest structures are consistent with those of the pressing plate group, and the cam bearing follower 313 rotates along the movement direction of the pressing main body 303.

As shown in fig. 1, a linear guide 101 is disposed on the fixed seat 1, and the pressing seat 302 is disposed on the linear guide 101 through a guide connecting block 102. The air cylinder 301 can drive the pressing base 302 to slide on the linear guide rail 101.

The extending end of the cylinder 301 is provided with a cylinder connecting block 314, and the cylinder connecting block 314 is fixed with the upper end of the pressing body 303.

The pressing body 303 is provided with a lifting spring 315 at one side, the pressing body 303 extends to the side to form a longitudinal stop 316, and the lifting spring 315 is arranged between the longitudinal stop 316 and the pressing base 302.

As shown in fig. 3, the pressing plate groups are respectively arranged in a group in three directions of the pressing base 302, which is a pressing plate group a, a pressing plate group B and a pressing plate group C, according to actual workpiece requirements. The cam compression plate set is arranged on one side of the compression seat 302 and is a cam compression plate set D. The attachment is shown in fig. 4-7.

The cylinder 301 drives the pressing seat 302 and the pressing main body 303 to move downwards, when the pressing seat 302 contacts the carrier seat 2, the pressing seat 302 stops moving downwards, the pressing main body 303 continues moving downwards and compresses the lifting spring 315, at this time, the pressing block inclined planes 312 of the pressing plate group A, the pressing plate group B and the pressing plate group C and the cam bearing follower 313 of the cam pressing plate group D are gradually separated from the main body inclined plane 311, and the respective pressing blocks 307 drive the pressing plates 310 to horizontally approach to the center under the action of the pressing spring 308 to clamp the workpiece on the carrier seat 2; after the operation is finished, the air cylinder 301 retracts to drive the pressing main body 303 to move upwards, the pressing base 302 is kept still within a distance from the beginning, the pressing main body 303 generates relatively upward displacement relative to the pressing base 302, in the process, the main body inclined surface 311 gradually extrudes the pressing block inclined surface 312 and the cam bearing follower 313, the pressing block 307 moves in the horizontal direction, and the pressing plate 310 releases a clamping workpiece.