CN210547794U - Riveting mechanism of riveting machine - Google Patents

Abstract

The utility model provides a riveting machine's pressure riveting mechanism belongs to riveting equipment technical field. It has solved the current problem of riveting mechanism drift and adjusting inconveniently. This riveting mechanism of riveter, including support, drift and fix the driving source that is used for driving the drift to reciprocate on the support, riveting mechanism is still including dismantling the mount pad of setting on the support, the drift sets up on the mount pad and can slide from top to bottom for the mount pad, the driving source is including the top that is located the drift and the push rod that can reciprocate, the lower extreme of push rod can be supported with the up end of drift and lean on, riveting mechanism is still including enabling drift rebound's reset structure. This structure need not to carry out position adjustment to the driving source when adjustment drift position, has improved the convenience of drift position adjustment greatly.

Description

Riveting mechanism of riveting machine

Technical Field

The utility model belongs to the technical field of the riveting, a riveting machine, especially a riveting machine's pressure riveting mechanism is related to.

Background

The riveting machine is also called a riveting machine, a spin riveting machine, a rolling riveting machine and the like, is a novel riveting device developed according to a cold rolling principle, and is a mechanical device capable of riveting objects by using rivets. The riveting machine generally comprises at least three steps of feeding, pressure riveting, blanking and the like when working, wherein the pressure riveting step is realized by a pressure riveting mechanism.

At present, chinese patent network discloses a frock subassembly of riveting gasket on door window track support [ grant bulletin no: CN203109077U, including the drift that is the T font, and be used for cooperating the frock platform that the drift used, the inside die cavity that sets up of drift, set up the profiled sheeting that can vertically slide along the die cavity in the die cavity, the upper surface of profiled sheeting is connected through compression spring and the closed surface at die cavity top, the lower surface of profiled sheeting sets up the riveting head, the lower tip of riveting head exposes in the lower surface of drift, the upper surface of frock platform sets up the column arch, during the riveting, the support cover is established on the column arch, the pad cover is established on the support, the riveting head aims at the bellied fretwork department of column, the drift moves down and the riveting head slides to the die cavity, the upper end face of support is riveted to the lower surface of drift, the up end of support is turned over outwards and is riveted on the packing ring tightly.

The punch is generally fixedly connected with a driving part, the driving part drives the punch to reciprocate up and down, the driving part can adopt an oil cylinder or an air cylinder or a press machine, and the position of the punch is finely adjusted to be aligned with the workpiece before punching because the punch and the workpiece need very high alignment precision in the punching process. Because the punch is fixedly connected with the driving piece, even under the condition of fine adjustment of the position of the punch, the driving piece is unlocked from the frame, and the position adjustment of the driving piece can be realized.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a riveting machine's pressure riveting mechanism, the utility model aims to solve the technical problem that: how to improve the convenience of punch position adjustment.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a riveting mechanism of riveter, includes support, drift and fixes the driving source that is used for driving the drift to reciprocate on the support, its characterized in that, riveting mechanism is still including dismantling the mount pad of setting on the support, the drift sets up on the mount pad and can slide from top to bottom for the mount pad, the driving source is including the top that is located the drift and the push rod that can reciprocate, the lower extreme of push rod can be leaned on with the up end counterbalance of drift, riveting mechanism is still including the reset structure that enables drift rebound.

When the press riveting mechanism works, the push rod of the driving source moves downwards and impacts the upper end face of the punch, so that the punch moves downwards and impacts a workpiece, the press riveting operation is realized, the push rod moves upwards to reset, and the punch also moves upwards to reset under the action of the resetting structure, so that the press riveting operation is performed next time. This drift is split type with the driving source, the push rod drives the drift through the structure that the counterbalance leaned on with the drift and moves down, when needing to adjust the drift position, at first dismantle the mount pad from the support, then the position of adjustment drift, make the drift aim at the work piece, fix the mount pad on the support again at last, because the position of mount pad removes and generally finely tunes, after the adjustment is done slightly to the mount pad position, the push rod can also lean on with the up end counterbalance of drift, do not influence the drift normal work, this mechanism need not to carry out position adjustment to the driving source when adjusting the drift position, the convenience of drift position adjustment has been improved greatly.

In the riveting mechanism of the riveting machine, the reset structure comprises a bracket capable of moving up and down, a fixed rod is fixed on one side wall of the punch, the bracket is provided with a cross rod capable of abutting against the fixed rod, and the cross rod is located below the fixed rod. When the push rod promotes the drift to move down, the bracket also follows synchronous downstream, avoids causing the interference to the downstream of drift, and after the pressure riveting is accomplished, the push rod rebound resets, and the bracket also follows synchronous upstream, supports the drift upwards through the structure that horizontal pole and dead lever counterbalance leaned on for drift rebound resets. This reset structure can also be for setting up reset spring between mount pad and drift, and when the drift moved down for the mount pad, the spring was compressed, and after the pressure was riveted and is accomplished, the drift moved up under the effect of spring and resets.

In the above-described press-riveting mechanism of a riveting machine, the upper end of the bracket is fixed to the push rod, and the bracket can lift up the punch when the push rod moves upward. In this structure, the bracket reciprocates with the push rod is synchronous under the drive of push rod, is favorable to the uniformity of push rod and bracket action.

In the riveting mechanism of the riveting machine, the driving source is a hydraulic cylinder, the push rod is a piston rod of the hydraulic cylinder, and the lower end of the push rod is connected with a striking head. In this structure, being equivalent to the bracket and fixing on the piston rod of pneumatic cylinder, reciprocating of piston rod drives the bracket and reciprocates, guarantees the uniformity of bracket and push rod motion for a pneumatic cylinder just has the effect of striking the drift and driving the drift and reseing, sets up the striking head at the lower extreme of push rod and has increased the area of contact of push rod with the drift in other words, makes the drift make position adjustment back slightly, and the striking head also can strike and obtain the drift.

In the riveting mechanism of the riveting machine, the bracket is provided with a first strip-shaped hole transversely formed, the mounting seat is provided with a convex block inserted into the first strip-shaped hole, and the convex block is connected with the bracket through a fastener. When the position of mount pad was adjusted to needs, loosen the fastener earlier, the mount pad unlocks on the support, then with mount pad along a bar hole lateral shifting, the boss is located bar hole one and plays the effect of direction to the lateral shifting of mount pad, after the mount pad removed to undetermined position, the fastener of screwing makes the mount pad fix a position on the support.

In the riveting mechanism of the riveting machine, the bracket is provided with the fixing block, the fixing block is provided with a notch, a bolt is arranged in the notch, the rod part of the bolt is in threaded connection with the mounting seat, the rod part is provided with the limiting ring, the head part and the limiting ring of the bolt are respectively positioned on the left side and the right side of the fixing block, and the head part and the limiting ring are respectively attached to the side wall of the fixing block. In the structure, when the position of the installation seat is adjusted, the fastening piece is firstly unscrewed, and then the bolt is rotated, so that the installation seat moves along the transverse direction, and the position adjustment of the installation seat is realized.

In the riveting mechanism of the riveting machine, a sliding groove is formed in one side face of the mounting seat, the punch comprises a sliding block and a punching head, the sliding block is arranged in the sliding groove in a sliding mode, a mounting hole is formed in the lower end face of the sliding block along the axial direction of the sliding block, a first guide hole communicated with the mounting hole is formed in the upper end face of the sliding block along the axial direction of the sliding block, a second strip-shaped hole is vertically formed in the left side wall and the right side wall of the sliding block, the second strip-shaped hole is communicated with the first guide hole, the upper end of the punching head is inserted into the mounting hole and fixedly connected with the sliding block, a guide block is arranged in the first guide hole in a sliding mode, a limiting column transversely arranged is arranged in the sliding groove and fixed on the mounting seat, and the limiting column penetrates through the. In this structure, the push rod is used in on the slider, the slider is along spout downstream, the spout plays the effect of direction to reciprocating of slider, because the guide block is through spacing post location, therefore the gliding in-process of slider, the guide block slides from top to bottom along guiding hole one, the guide block plays the effect of direction to reciprocating of slider, the slider is under the common guide effect of mount pad and guide block, guarantee that the slider reciprocates stably and does not take place the skew, and then make the punching press head not take place the skew, guarantee the alignment work piece that the punching press head can comparatively precision.

In the riveting mechanism of the riveting machine, the lower end face of the stamping head is provided with a boss, the lower end face of the boss is vertically provided with a through guide hole II, a guide rod is slidably arranged in the guide hole II, and the upper end of the guide rod is fixedly connected with the guide block. In this structure, the slider reciprocates and drives the punching press head and reciprocate, and the guide bar plays the effect of direction to reciprocating of punching press head, guarantees that the punching press head can be comparatively accurate aim at the work piece.

In the riveting mechanism of the riveting machine, the upper end of the guide rod is in threaded connection with the guide block. The guide rod and the guide block are convenient to disassemble and assemble.

In the riveting mechanism of the riveting machine, a first through hole is radially formed in the outer peripheral surface of the guide block, a second through hole is formed in each of two opposite side walls in the sliding groove, the limiting column penetrates through the first through hole, and two ends of the limiting column penetrate through the corresponding second through holes. In this structure, spacing post is pegged graft on guide block and mount pad, the easy dismounting of spacing post, guide block and mount pad.

Compared with the prior art, the utility model discloses a riveting machine's pressure riveting mechanism has following advantage: this drift is split type with the driving source, the push rod drives the drift through the structure that the counterbalance leaned on with the drift and moves down, when needing to adjust the drift position, at first dismantle the mount pad from the support, then the position of adjustment drift, make the drift aim at the work piece, fix the mount pad on the support again at last, because the position of mount pad removes and generally finely tunes, after the adjustment is done slightly to the mount pad position, the push rod can also lean on with the up end counterbalance of drift, do not influence the drift normal work, this mechanism need not to carry out position adjustment to the driving source when adjusting the drift position, the convenience of drift position adjustment has been improved greatly.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a front view of the present invention.

Fig. 4 is a schematic sectional structure of the present invention.

Fig. 5 is an enlarged schematic view of a portion a in fig. 4.

In the figure, 1, a bracket; 1a, a strip-shaped hole I; 2. a punch; 21. a slider; 211. mounting holes; 212. a first guide hole; 213. a strip-shaped hole II; 22. punching a head; 221. a boss; 222. a second guide hole; 23. a guide block; 231. a first through hole; 24. a limiting column; 25. a guide bar; 3. a drive source; 31. a push rod; 32. a hydraulic cylinder; 33. a striking head; 4. a mounting seat; 41. a bump; 42. a chute; 43. a second through hole; 44. a cover plate; 441. a strip-shaped hole III; 5. a fixed block; 51. a notch; 6. a bolt; 61. a rod portion; 62. a limiting ring; 63. a head portion; 7. fixing the rod; 8. a reset structure; 81. a bracket; 811. a cross bar.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example 1

As shown in fig. 1, 2 and 3, the riveting mechanism of the riveting machine comprises a support 1, a punch 2 and a driving source 3 fixed on the support 1 for driving the punch 2 to move up and down, the riveting mechanism further comprises a mounting seat 4 detachably arranged on the support 1, the punch 2 is arranged on the mounting seat 4 and can slide up and down relative to the mounting seat 4, the driving source 3 comprises a push rod 31 which is positioned above the punch 2 and can move up and down, the lower end of the push rod 31 can abut against the upper end face of the punch 2, the riveting mechanism further comprises a reset structure 8 which can move the punch 2 up, in the embodiment, the driving source 3 is a hydraulic cylinder 32, the push rod 31 is a piston rod of the hydraulic cylinder 32, the lower end of the push rod 31 is connected with a striking head 33, the reset structure 8 comprises a bracket 81 which can move up and down, the upper end of the bracket 81 is fixed on the push rod 31, a fixing rod 7 is fixed on one, the bracket 81 has a cross bar 811 capable of abutting against the fixing lever 7, and the cross bar 811 is located below the fixing lever 7.

The working principle of the pressure riveting mechanism is as follows: the hydraulic cylinder 32 drives the push rod 31 to move downwards, the push rod 31 abuts against the upper end of the punch 2 through the striking head 33, the punch 2 moves downwards, meanwhile, the bracket 81 also moves downwards along with the push rod 31 synchronously, interference on downward movement of the punch 2 is avoided, after riveting is completed, the hydraulic cylinder 32 drives the push rod 31 to move upwards for resetting, meanwhile, the push rod 31 drives the bracket 81 to move upwards synchronously, the bracket 81 upwards supports the punch 2 through a structure that the cross rod 811 abuts against the fixing rod 7, and then the punch 2 is driven to move upwards for resetting.

As shown in fig. 2, have along the horizontal bar hole 1a of seting up that has on the support 1, mount pad 4 has the lug 41 of inserting to bar hole 1a, lug 41 passes through the fastener with support 1 and is connected, be provided with fixed block 5 on the support 1, the breach 51 has been seted up on the fixed block 5, be provided with bolt 6 in the breach 51, the pole portion 61 and the 4 threaded connection of mount pad of bolt 6, the spacing ring 62 has on the pole portion 61, the head 63 and the spacing ring 62 of bolt 6 are located the left and right sides of fixed block 5 respectively, and head 63 and spacing ring 62 all paste with the lateral wall of fixed block 5 mutually and lean on. When the position of the mounting seat 4 needs to be adjusted, the fastener is loosened firstly, then the bolt 6 is rotated, the mounting seat 4 is driven to move transversely through the bolt 6, after the position of the mounting seat 4 is determined, the mounting seat 4 is locked on the support through the fastener 1, the position of the mounting seat 4 is adjusted simply and conveniently, and then the position of the punch 2 is adjusted simply and conveniently.

As shown in fig. 4 and 5, a side surface of the mounting seat 4 is provided with a sliding groove 42, both the upper end and the lower end of the sliding groove 42 are open, a cover plate 44 for blocking one end of the sliding groove 42 is fixed on the side surface, a strip-shaped hole three 441 is vertically formed in the cover plate 441, and the fixing rod 7 is located in the strip-shaped hole three 441. The punch 2 comprises a slider 21 and a stamping head 22, the slider is slidably arranged in a sliding groove 42, a mounting hole 211 is formed in the lower end face of the slider 21 along the axial direction of the slider 21, a first guide hole 212 communicated with the mounting hole 211 is formed in the upper end face of the slider 21 along the axial direction of the slider 21, a second strip-shaped hole 213 is vertically formed in each of the left side wall and the right side wall of the slider 21, the second strip-shaped hole 213 is communicated with the first guide hole 212, the upper end of the stamping head 22 is inserted into the mounting hole 211 and is fixedly connected with the slider 21, a guide block 23 is slidably arranged in the first guide hole 212, a limiting column 24 transversely arranged in the sliding groove 42 is provided, a first through hole 231 is radially formed in the outer peripheral surface of the guide block 23, a second through hole 43 is formed in each of the two opposite side walls in the sliding groove 42, the limiting column 24 penetrates through the first through hole 231 and the two. The push rod 31 is acted on the slider 21, the slider 21 moves downwards along the sliding groove 42, the sliding groove 42 plays a role in guiding the up-and-down movement of the slider 21, the guide block 23 is positioned through the limiting column 24, therefore, in the sliding process of the slider 21, the guide block 23 slides up and down along the first guide hole 212, the guide block 23 plays a role in guiding the up-and-down movement of the slider 21, the slider 21 is under the common guiding effect of the mounting seat 4 and the guide block 23, the slider 21 is guaranteed to move stably up and down without deviation, further, the stamping head 22 is enabled not to deviate, and the stamping head 22 is guaranteed to be capable of aligning a workpiece with higher precision.

As shown in fig. 5, the lower end surface of the punch 22 has a boss 221, the lower end surface of the boss 221 is vertically provided with a second through guide hole 222, the second guide hole 222 is slidably provided with a guide rod 25, and the upper end of the guide rod 25 is in threaded connection with the guide block 23. The slider 21 reciprocates and drives the punching press head 22 and reciprocate, and guide bar 25 plays the effect of direction to reciprocating of punching press head 22, guarantees that the alignment work piece that the punching press head 22 can be comparatively accurate.

Example 2

This embodiment is substantially the same as embodiment 1 described above, except that: a return spring can be arranged between the mounting seat 4 and the punch 2, when the punch 2 moves downwards relative to the mounting seat 4, the spring is compressed, and after the riveting is completed, the punch 2 moves upwards under the action of the spring to return.

Example 3

This embodiment is substantially the same as embodiment 1 described above, except that: the driving source 3 of the present embodiment is a press.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (10)

1. The utility model provides a riveting mechanism of riveter, includes support (1), drift (2) and fixes driving source (3) that is used for driving drift (2) to reciprocate on support (1), its characterized in that, riveting mechanism is still including dismantling mount pad (4) of setting on support (1), drift (2) set up on mount pad (4) and can slide from top to bottom for mount pad (4), driving source (3) are including being located the top of drift (2) and push rod (31) that can reciprocate, the lower extreme of push rod (31) can offset with the up end of drift (2) and lean on, riveting mechanism is still including enabling drift (2) rebound's reset structure (8).

2. The rivet pressing mechanism of the riveting machine according to claim 1, characterized in that the resetting structure (8) comprises a bracket (81) capable of moving up and down, a fixing rod (7) is fixed on one side wall of the punch (2), the bracket (81) is provided with a cross bar (811) capable of abutting against the fixing rod (7), and the cross bar (811) is positioned below the fixing rod (7).

3. The squeeze riveter according to claim 2, wherein the upper end of the bracket (81) is fixed to the push rod (31), and the bracket (81) can lift up the punch (2) when the push rod (31) moves upward.

4. The squeeze riveter according to any one of claims 1 to 3, wherein the drive source (3) is a hydraulic cylinder (32), the push rod (31) is a piston rod of the hydraulic cylinder (32), and a striking head (33) is connected to a lower end of the push rod (31).

5. The squeeze riveting mechanism of a riveting machine according to any one of claims 1-3, characterized in that the bracket (1) is provided with a first strip-shaped hole (1a) which is opened along the transverse direction, the mounting seat (4) is provided with a lug (41) which is inserted into the first strip-shaped hole (1a), and the lug (41) is connected with the bracket (1) through a fastener.

6. The squeeze riveting mechanism of a riveting machine according to claim 5, characterized in that a fixing block (5) is arranged on the bracket (1), a notch (51) is arranged on the fixing block (5), a bolt (6) is arranged in the notch (51), a rod part (61) of the bolt (6) is in threaded connection with the mounting seat (4), a limit ring (62) is arranged on the rod part (61), the head part (63) and the limit ring (62) of the bolt (6) are respectively positioned at the left side and the right side of the fixing block (5), and the head part (63) and the limit ring (62) are respectively attached to the side wall of the fixing block (5).

7. The rivet pressing mechanism of the riveting machine according to any one of claims 1 to 3, characterized in that a sliding groove (42) is formed in one side surface of the mounting seat (4), the punch (2) comprises a slider (21) and a punching head (22), the slider is slidably disposed in the sliding groove (42), a mounting hole (211) is formed in the lower end surface of the slider (21) along the axial direction of the slider (21), a first guide hole (212) communicated with the mounting hole (211) is formed in the upper end surface of the slider (21) along the axial direction of the slider (21), a second strip-shaped hole (213) is vertically formed in each of the left and right side walls of the slider (21), the second strip-shaped hole (213) is communicated with the first guide hole (212), the upper end of the punching head (22) is inserted into the mounting hole (211) and fixedly connected with the slider (21), and a guide block (23) is slidably disposed in the first guide hole (212), have along spacing post (24) of horizontal setting in spout (42), spacing post (24) are fixed on mount pad (4), spacing post (24) pass two bar holes two (213) and are connected with guide block (23).

8. The rivet pressing mechanism of the riveting machine according to claim 7, characterized in that a boss (221) is arranged on the lower end face of the punching head (22), a second through guide hole (222) is vertically formed in the lower end face of the boss (221), a guide rod (25) is slidably arranged in the second guide hole (222), and the upper end of the guide rod (25) is fixedly connected with the guide block (23).

9. The squeeze riveter according to claim 8, wherein the upper end of the guide bar (25) is screwed to the guide block (23).

10. The squeeze riveting mechanism of a riveting machine according to claim 7, wherein the outer peripheral surface of the guide block (23) is radially provided with a first through hole (231), two opposite side walls in the sliding groove (42) are respectively provided with a second through hole (43), the limiting column (24) passes through the first through hole (231) and two ends of the limiting column (24) are respectively arranged in the corresponding second through holes (43).

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