CN220029275U

CN220029275U - Compression assembly mechanism

Info

Publication number: CN220029275U
Application number: CN202320959357.7U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Shaoxing Sanhua New Energy Auto Parts Co ltd
Current assignee: Shaoxing Sanhua New Energy Auto Parts Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-11-17
Anticipated expiration: 2033-04-23

Abstract

The utility model discloses a compaction assembly mechanism, which comprises a compactor and a clamping device, wherein the clamping device is provided with a positioning plate, clamping jaws and a buffer piece, the clamping jaws are positioned on one side of the positioning plate and fixed with the positioning plate, the buffer piece is positioned on the other side of the positioning plate, and the buffer piece is fixed or limited with the positioning plate; the pressing machine is provided with an action stroke along the pressing direction, a starting point of the action stroke when the pressing machine applies force to the part to be pressed is defined, the pressing machine finishes pressing to be an ending point of the action stroke, the buffer piece is provided with a limit stroke along the pressing direction, and the distance of the action stroke is not greater than that of the limit stroke. The compaction assembly mechanism has good compaction quality and long service life.

Description

Compression assembly mechanism

Technical Field

The utility model belongs to the technical field of intelligent manufacturing, and particularly relates to a compression assembly mechanism.

Background

In the assembly process of automobile parts, a compacting step is generally required, and the compacting step is used for various assembly and fixing of screw fixing or rivet fixing or interference extrusion among some parts. The compaction is generally carried out on parts placed on the tool table by adopting a compaction machine, and the compaction machine is generally in the modes of hydraulic compaction, mechanical compaction and the like.

Many parts are in irregular shapes, especially the pressing bottom surfaces of some parts are in irregular shapes, and the parts cannot be placed smoothly independently or are troublesome to cooperate. If the parts are placed in the compaction machine to be compacted after the material level is to be compacted, the parts are easy to deform in the compaction process, the follow-up procedures are affected, for example, if the follow-up procedures are screwed up, the situation that the screwing holes are misaligned is caused, and the compaction is disqualified.

If the clamping jaw mechanism clamps the pressed parts to be matched and tightly pressed, the clamping jaw mechanism is required to be matched with the pressing mechanism to move downwards in the pressing process, if the pressing mechanism and the clamping jaw mechanism are respectively provided with a downward movement driving cylinder, the acting forces of different cylinders are different, the pressing degree is difficult to control, if the pressing force is too large, the clamping jaw cylinder is easy to damage, and if the pressing force is too small, the pressing is not qualified.

Disclosure of Invention

The utility model aims to provide a compression assembly mechanism with good compression quality and long service life.

In order to achieve the above purpose, the following technical scheme is adopted:

the clamping device is provided with a positioning plate, at least two clamping jaws and a buffer piece, wherein the clamping jaws are positioned on one side of the positioning plate and fixed with the positioning plate, the buffer piece is positioned on the other side of the positioning plate, and the buffer piece is fixed or limited with the positioning plate;

the pressing assembly mechanism is provided with at least a first action stroke, the buffer part moves along the pressing direction under the action of the pressing machine in the first action stroke, the pressing machine is provided with an action stroke along the pressing direction, the starting point of the pressing machine for starting pressing and applying force to be the action stroke is defined, the pressing machine finishes pressing to be the ending point of the action stroke, the buffer part is provided with a limit stroke along the pressing direction, and the distance of the action stroke is not greater than the distance of the limit stroke.

Above-mentioned technical scheme's compaction assembly devices has at least first action stroke, the bolster receives the effect of compactor is followed compress tightly the direction and remove, so, because the clamping jaw is located one side of locating plate and clamping jaw and locating plate are fixed, the bolster is located the opposite side of locating plate and bolster and locating plate are fixed or spacing, so, when compressing tightly, the bolster receives the effect of compactor along compress tightly the direction and remove to make the clamping jaw be the effect of receipt compactor and follow the direction of compressing tightly in the compress tightly, the effort is single, compress tightly assembly devices life height. Meanwhile, as the distance of the action stroke of the compactor is not greater than the distance of the limit stroke, the action stroke of the compactor is not greater than the limit stroke of the buffer member, the buffer member has smaller negative effect on the compacting process, and the compacting quality is better.

Drawings

FIG. 1 is a schematic view of an embodiment of a compression assembly mechanism of the present utility model;

FIG. 2 is a schematic view of the compactor of FIG. 1;

FIG. 3 is a schematic view of the clamping device of FIG. 1;

FIG. 4 is an exploded perspective view of the clamping device of FIG. 3;

FIG. 5 is a simplified schematic structural view of a cushioning component of the clamping device of FIG. 3;

FIG. 6 is a schematic diagram of the embodiment of FIG. 1 in use;

FIG. 7 is a schematic view of another embodiment of a clamping device;

FIG. 8 is a schematic view of another embodiment of a compression fitting mechanism;

wherein: the clamping assembly mechanism 10, the clamping machine 1, the machine table 11, the driving cylinder 12, the base 121 of the driving cylinder, the sliding rail 13, the sliding block 14, the press arm 141, the clamping device 2, the positioning plate 21, the clamping jaw 22, the buffer component 23, the fixing plate 231, the buffer 232, the cylinder base 233, the driving piston 234, the first sealing cavity 235, the second sealing cavity 236, the first air inlet channel 237, the second air inlet channel 238, the clamping jaw cylinder 24, the positioning pin 25, the supporting plate 26, the fixing mechanism 4 and the part 8 to be clamped.

Detailed Description

Specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings. It is to be understood that the following is exemplary only and is not to be taken as limiting the utility model.

Referring to fig. 1-6, fig. 1 illustrates a schematic configuration of a compression fitting mechanism 10.

The press-fitting mechanism 10 comprises a press 1 and a clamping device 2, wherein the clamping device 2 is provided with a positioning plate 21, at least two clamping jaws 22 and a buffer piece 232, the clamping jaws 22 are positioned on one side of the positioning plate 21, the clamping jaws 22 are fixed with the positioning plate 21, the buffer piece 232 is positioned on the other side of the positioning plate 21, and the buffer piece 232 is fixed with or limited by the positioning plate 21.

The pressing machine 1 has an action stroke along a pressing direction, defines a starting point of the pressing machine 1 for starting pressing force application as the action stroke, namely, the part to be pressed is applied as the starting point of the action stroke, the pressing machine 1 finishes pressing as an ending point of the action stroke, and the buffer piece 232 has a limit stroke along the pressing direction, wherein the distance of the action stroke is not greater than the distance of the limit stroke.

The press-fitting mechanism 10 has at least a first motion stroke, in which the buffer member 232 is moved by the press 1 along the pressing direction, the buffer member 232 is moved by the press, and the motion stroke of the buffer member 232 does not exceed the limit stroke because the action stroke of the press is not greater than the limit stroke distance, which is beneficial to maintaining the service life of the buffer member 232.

The pressing machine 1 applies force to the part to be pressed, pushes the part to be pressed to move towards the part to be pressed and matched, so that the part to be pressed and matched are pressed, in the pressing process, the part to be pressed is clamped through the clamping jaw 22, and the pressing operation of the pressing machine 1 is matched, so that the part to be pressed and matched can be pressed accurately. In addition, since the buffer member 232 has a limited stroke along the compressing direction, the limited stroke is not less than the acting stroke of the compressing machine 1, so that under the action of the compressing machine 1, the clamping jaw 22 drives the positioning plate 21 for compressing the parts, and the buffer member 232 can be forced to stretch or move so as to compress the part to be compressed and the part to be compressed. In the process, the clamping device is mainly pressed by the pressing machine 1 in the pressing direction, the stress in the pressing direction is single, the pressing is effective, and no contradiction exists between the clamping device 2 and the pressing machine 1, so that the service lives of the clamping device 2 and the pressing machine 1 are prolonged.

The compacting machine 1 comprises a machine table 11, a driving air cylinder 12, a sliding rail 13 and a sliding block 14, wherein a base 121 of the driving air cylinder 12 is fixed with the machine table 11, a driving shaft of the driving air cylinder 12 is fixed with the sliding block 14, the sliding block 14 can slide relative to the machine table 11, one side part of the sliding block 14 is limited on the sliding rail 13, and therefore the sliding block 14 moves along the sliding rail 13 under the action of the driving shaft. The slide 14 has a press arm 141, the press arm 141 being adapted to act on the part 8 to be compacted, to effect the compaction thereof.

The slide 14 can move up and down along the slide rail 13 under the action of the driving cylinder 12, and in the manner shown in fig. 1, the pressing direction is downward, and when pressing, the slide 14 moves downward, and the entire downward movement stroke of the slide 14 is larger than the action stroke of the pressing machine 1. After the compaction is finished, the slide block 14 moves upwards along the slide rail 13, and the compacted and matched parts can flow to the next station.

The clamping device 2 comprises a clamping jaw air cylinder 24, wherein the clamping jaw air cylinder 24 is fixed on the positioning plate 21, the clamping jaw air cylinder 24 can drive the clamping jaw 22 to clamp or unclamp, and the clamping jaw is in a clamping state in the action stroke of the compactor. In the illustrated embodiment, there are two jaws 22, and the actuation of the jaw cylinder 24 causes the two jaws 22 to clamp or unclamp. Of course, as other embodiments, the clamping jaw 22 may be three or other. The number of the jaws 22 is not limited.

For the clamp of further promotion clamping jaw 22 gets the precision to do benefit to the press-fit of follow-up closing machine 1, clamping device 2 includes locating pin 25, locating pin 25 with locating plate 21 is fixed, locating pin 25 tip has little head, and little head can be used to insert in waiting to compress tightly the part, and the position of waiting to compress tightly the part is accurately fixed a position. After the positioning pin 25 is positioned, the clamping jaw cylinder 24 is started to clamp the part to be pressed, so that the part to be pressed still can be ensured to be positioned when the subsequent pressed machine 1 is used, and the subsequent press fit with the part to be pressed is facilitated.

The clamping device comprises a buffer member 23 and a fixing plate 231, wherein the buffer member 23 is provided with a buffer piece 232, the buffer piece 232 is positioned between the fixing plate 231 and the positioning plate 21, the buffer member 23 is provided with a first position state and a second position state, the length of the buffer member 23 along the compression direction is a first length in the first position state, the length of the buffer member 23 along the compression direction is a second length in the second position state, and the first length is smaller than the second length.

The first position state may be a free state of the buffer member 23, and the second position state may be a stretched state of the buffer member 23 after being acted on, and the buffer member 23 may be stretched under the action of the compactor 1 to fit the part to be compacted into the part to be compacted.

As a more specific embodiment, the buffer member 23 includes a cylinder base 233, a driving piston 234, the cylinder base 233 being fixed to the fixing plate 231, the driving piston 234 having a distal end portion fixed to the positioning plate 21, the buffer member 23 having a first seal chamber 235, a second seal chamber 236, a first air intake passage 237 and a second air intake passage 238, the first air intake passage 237 being in communication with the first seal chamber 235, the second air intake passage 238 being in communication with the second seal chamber 236, the first seal chamber 235 and the second seal chamber 236 being located on both sides of the driving piston 234; during compaction of the compactor 1, the first and second sealed cavities 235, 236 are not in-taking air.

During the compaction process of the compactor 1, the first sealing chamber 235 and the second sealing chamber 236 are not in air, so that the driving piston 234 is only driven to move by the positioning plate 21 fixed with the driving piston, and the positioning plate 21 is driven to move by the clamping jaw, and therefore, the driving piston 234 moves along the compaction direction under the action of the compaction force of the compactor, and the stress is single. And after the compacting machine 1 finishes compacting, the first sealing cavity 235 is filled with air, and the driving piston 234 moves towards the fixing plate 231, so that the driving piston 234 returns to the first position state, and the positioning plate is driven to return to the position when not under the compacting force. At this time, the limit stroke is a movement limit length of the buffer member.

The buffer component 23 comprises a cylinder base 233 and a driving piston 234, in the compressing process of the compressing machine 1, the compressing machine 1 makes the part to be compressed move towards the part to be compressed in the force application process of the part to be compressed, at this time, the first sealing cavity 235 and the second sealing cavity 236 do not enter air, so that the driving piston 234 is not affected by the air pressure in the air path, the driving piston 234 moves by the movement of the part to be compressed, which is equivalent to that in the moving process, the part to be compressed and the driving piston 234 are both moved by the compressing machine 1, thus not only facilitating the compression fit between the part to be compressed and the part to be compressed, but also prolonging the service life of the clamping device 2. This is because if the parts to be press-fitted are gripped by the clamping device 2, the clamping device 2 needs to be moved down in cooperation with the pressing mechanism 1 during the pressing process, the pressing mechanism 1 and the clamping device 2 each have a downward movement driving cylinder 12, the different cylinder forces are different, it is difficult to control the degree of pressing, if the pressing force is too large, the damage to the clamping device 2 is easily caused, and if the pressing force is too small, the pressing is failed. The above solution thus makes it possible to effectively solve the contradictory effects between the double-power drive between the clamping device 2 and the compactor 1.

The clamping device 2 is provided with a fixing plate 231, a positioning plate 21, a supporting plate 26, at least two clamping jaws 22 and a buffer part 23, wherein the clamping jaws 22 are positioned on one side of the positioning plate 21, the clamping jaws 22 are fixed with the positioning plate 21, the buffer part 23 is positioned on the other side of the positioning plate 21, and the buffer part 23 is fixed or limited with the positioning plate 21; the buffer member 23 is fixed to one side of the fixing plate 231, the support plate 26 is located between the fixing plate and the positioning plate, the support plate is disposed adjacent to the cylinder base, one end of the support plate is fixed to the fixing plate, one end of the support plate is fixed to the positioning plate, and the cylinder base is fixed to the support plate. The structure can be further stabilized through the backup pad, the fixed of favorable cylinder base.

The pressing machine 1 has an action stroke along a pressing direction, defines a starting point of the action stroke of the pressing machine 1 for applying force to a part to be pressed, finishes pressing to an ending point of the action stroke, and the buffer member 232 has a limit stroke along the pressing direction, wherein the distance of the action stroke is not greater than the distance of the limit stroke. So, the compactor 1 can compress tightly the assembly under the cooperation of manipulator 3, like this, to compressing tightly the assembly station, compress tightly the equipment of assembly station and simply, and through the setting of clamping device 2, can be applicable to the compaction of different products, the commonality is also wide.

Referring to fig. 7 and 8, as another embodiment, the clamping device 2' includes a positioning plate 21, a buffer member 23' and a fixing plate 231, wherein the buffer member 23' includes a buffer member 232, the buffer member 232 is located between the fixing plate 231 and the positioning plate 21, one end of the buffer member is fixed or limited to the fixing plate, and the other end of the buffer member is fixed or limited to the positioning plate; the buffer member 23' includes a buffer member 232, and the buffer member 232 may be a spring member, and the buffer member 232 has a first position state in which a length of the buffer member 232 in the pressing direction is a first length, and a second position state in which a length of the buffer member 232 in the pressing direction is a second length, and the first length is smaller than the second length. The second position state is an extension state of the spring member, and the limit stroke is a stretching limit length of the spring member.

The pressing assembly mechanism is provided with at least a first action stroke, and the buffer part moves along the pressing direction under the action of the pressing machine in the first action stroke. The pressing assembly mechanism is further provided with a second action stroke, and the buffer piece moves towards the opposite direction of the pressing direction under the action of the resilience force of the buffer piece in the second action stroke, so that the buffer piece drives the positioning plate to move. In the compressed state, the spring element may be in a stretched state. According to the embodiment, the elastic stretching action of the spring is pushed by the pressing machine, so that the pressing process is single in stress and high in pressing quality. After the compaction is finished, the buffer piece can return under the action of the resilience force so as to be compacted for later use.

Referring to fig. 8, a press-fit mechanism includes a fixing mechanism 4, a clamping device 2', and a clamping device 2' fixed to the fixing mechanism 4. The fixing mechanism 4 may be a mechanism which cooperates with the press, or may be a separate mechanism.

As other embodiments, the buffer member 232 may be a spring member, the clamping device 2 includes a fixing plate 231, the buffer member 232 is located between the fixing plate 231 and the positioning plate 21, one end of the buffer member is fixed or limited by the fixing plate, and the other end of the buffer member is fixed or limited by the positioning plate; the buffer member 232 has a first position state in which the length of the buffer member 232 in the pressing direction is a first length, and a second position state in which the length of the buffer member 232 in the pressing direction is a second length, and the first length is smaller than the second length. The first position state is a compressed state of the spring member. In the compressed state, the spring element can also be in a compressed state. The limit stroke of the buffer member is the compression limit length of the spring member, and the compression limit length refers to the compression length of the spring member from the free state to the compression limit state.

Therefore, the pressing assembly mechanism is provided with at least a first action stroke, and in the first action stroke, the buffer member moves along the pressing direction under the action of the pressing machine, and is in a compressed state under the action of the pressing force. The pressing assembly mechanism is further provided with a second action stroke, and the buffer piece moves towards the opposite direction of the pressing direction under the action of the resilience force of the buffer piece in the second action stroke, so that the buffer piece drives the positioning plate to move. In the compressed state, the spring element is in a compressed state. According to the embodiment, the buffer part is compressed through the action of the compactor, so that the compaction process is single in stress, and the compaction quality is high. After the compaction is finished, the buffer piece can return under the action of the resilience force so as to be compacted for later use.

It should be noted that: the above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, for example, the directions of "front", "rear", "left", "right", "up", "down", etc., and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the present utility model may be combined, modified or substituted with each other, and all the technical solutions and modifications thereof without departing from the spirit and scope of the present utility model are intended to be included in the scope of the claims of the present utility model.

Claims

1. The clamping device is provided with a positioning plate, clamping jaws and a buffer piece, wherein the clamping jaws are positioned on one side of the positioning plate and fixed with the positioning plate, the buffer piece is positioned on the other side of the positioning plate, and the buffer piece is fixed or limited with the positioning plate;

2. The press-fit mechanism according to claim 1, wherein the clamping device has a fixing plate, the press-fit mechanism has a buffer member located between the fixing plate and the positioning plate, the buffer member has the buffer member and a cylinder base, the buffer member includes a driving piston, the cylinder base and the fixing plate are fixed, a distal end portion of the driving piston is fixed to the positioning plate, the buffer member has a first position state in which a length of the buffer member in the press-fit direction is a first length, and a second position state in which a length of the buffer member in the press-fit direction is a second length, the first length being smaller than the second length.

3. The compression fitting mechanism according to claim 2, wherein the buffer member has a first seal chamber, a second seal chamber, a first air intake passage and a second air intake passage, the first air intake passage and the seal chamber communicating, the second air intake passage and the second seal chamber communicating, the first seal chamber and the second seal chamber being located on both sides of the drive piston; in the working stroke of the compactor, the first sealing chamber and the second sealing chamber are not in air.

4. A press-fit mechanism as set forth in claim 3 wherein said first seal chamber is air-charged after said press is completed, said cushioning member is in said first position, and said limit stroke is a movement limit length of said cushioning member.

5. A press-fit mechanism as set forth in claim 3 wherein said clamping means has a support plate located between said fixed plate and said positioning plate, said support plate being disposed adjacent said cylinder base, said support plate being secured at one end to said fixed plate, said support plate being secured at one end to said positioning plate, said cylinder base being secured to said support plate.

6. The press-fit mechanism of claim 1, wherein the clamping device has a fixing plate, the buffer member is located between the fixing plate and the positioning plate, one end of the buffer member is fixed or limited to the fixing plate, and the other end of the buffer member is fixed or limited to the positioning plate; the buffer member has a first position state in which the length of the buffer member in the pressing direction is a first length, and a second position state in which the length of the buffer member in the pressing direction is a second length, the first length being smaller than the second length; the buffer member is a spring member, the second position state is an extension state of the spring member, and the limit stroke is a stretching limit length of the spring member.

7. The press-fit mechanism of claim 1, wherein the clamping device has a fixing plate, the buffer member is located between the fixing plate and the positioning plate, one end of the buffer member is fixed or limited to the fixing plate, and the other end of the buffer member is fixed or limited to the positioning plate; the buffer member has a first position state in which the length of the buffer member in the pressing direction is a first length, and a second position state in which the length of the buffer member in the pressing direction is a second length, the first length being smaller than the second length; the buffer part is a spring part, the first position state is a compression state of the spring part, the limit stroke is a compression limit length of the spring part, and the compression limit length is a compression length of the spring part from a free state to a compression limit state.

8. The press-fit mechanism of any one of claims 1-7, wherein the clamping device comprises a jaw cylinder, the jaw cylinder being fixed to the positioning plate, the jaw cylinder being capable of driving the jaws to clamp or unclamp; in the working stroke of the compactor, the clamping jaws are in a clamped state.

9. The compression fitting mechanism according to any one of claims 1-7, wherein said clamping means comprises a dowel pin secured to said dowel plate, said dowel pin end having a small head.

10. The press-fit mechanism according to claim 1, wherein the clamping device has a fixing plate, the press-fit mechanism has a buffer member between the fixing plate and a positioning plate, the buffer member has the buffer member and a cylinder base, the buffer member includes a driving piston, the cylinder base and the fixing plate are fixed, a distal end portion of the driving piston is fixed to the positioning plate, the buffer member has a first position state in which a length of the buffer member in the press-fit direction is a first length, and a second position state in which a length of the buffer member in the press-fit direction is a second length, the first length being smaller than the second length;

the buffer component is provided with a first sealing cavity, a second sealing cavity, a first air inlet channel and a second air inlet channel, the first air inlet channel is communicated with the sealing cavity, the second air inlet channel is communicated with the second sealing cavity, and the first sealing cavity and the second sealing cavity are positioned on two sides of the driving piston; in the action stroke of the compactor, the first sealing cavity and the second sealing cavity are not in air;

after the compacting machine finishes compacting, the first sealing cavity is filled with air, the buffer part is in the first position state, and the limit stroke is the movement limit length of the buffer part.