CN219632509U

CN219632509U - Blind rivet clamping jaw with high stability

Info

Publication number: CN219632509U
Application number: CN202223552234.6U
Authority: CN
Inventors: 韦禄; 冯立明
Original assignee: Dongguan Weidu Innovation Precision Equipment Co ltd
Current assignee: Dongguan Weidu Innovation Precision Equipment Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-09-05
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a blind rivet clamping jaw with high stability and a clamping device thereof, which comprises a blind rivet clamping jaw, wherein the top of the blind rivet clamping jaw is provided with a clamping jaw connecting part, a first clamping position is arranged below the blind rivet clamping jaw, a second clamping position is arranged below the first clamping position, the first clamping positions are matched with each other to form a cylinder clamping space, the second clamping positions are matched with each other to form a round table clamping space and are matched with the blind rivet.

Description

Blind rivet clamping jaw with high stability

Technical Field

The utility model relates to the technical field of clamping jaws, in particular to a blind rivet clamping jaw with high stability.

Background

Blind rivet is a kind of single-sided riveting fastener, and the blind rivet is especially suitable for use in riveting application where common rivet is not used, and the blind rivet is widely used in building, automobile, ship, airplane, machine, electric appliance, furniture and other products.

Because of the special structure of the blind rivet, a special tool, namely a blind rivet gun (manual, electric and pneumatic), is needed to rivet the blind rivet, but the blind rivet gun can be used as a personal tool only by manpower, and is difficult to play a role in a large-scale production line, for example, the blind rivet gun is matched with the blind rivet only by manpower to rivet, so that the production efficiency of an automatic production line can be obviously reduced.

For the above-mentioned problem, also extended some automatic blind rivet riveting equipment that adapt to large-scale automation line at present, its core has mostly adopted pneumatic riveting mode, accomplish the riveting action to the blind rivet, this kind of equipment can fine adaptation automation line's production efficiency requirement, but this kind of equipment is faced the material loading difficultly, press from both sides and get unstable scheduling problem, and then probably lead to riveting action to go on inadequately, perhaps rivet and appear the mistake, finally influence the finished product quality, these problems lie in the unique structure of blind rivet at its root, traditional anchor clamps structure can't fine laminating blind rivet head, the blind rivet is probably produced certain range of rocking because of inertia under the clamped state has been caused.

Therefore, based on the above, a clamp capable of clamping the blind rivet with higher stability is needed at present, so that feeding or clamping actions of the blind rivet are completed, stability of the blind rivet in the riveting process is improved, and product quality is improved on the premise of meeting requirements of an automatic production line.

Disclosure of Invention

The present utility model aims to provide a blind rivet jaw with high stability, which solves the problems set forth in the background art.

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

a blind rivet jaw with high stability, comprising:

the blind rivet clamping jaw is used for clamping and fixing a blind rivet in a two-phase matching mode, the blind rivet clamping jaw comprises a clamping jaw connecting portion, the clamping jaw connecting portion is arranged at the top of the blind rivet clamping jaw, a first clamping position is arranged below the clamping jaw connecting portion, a second clamping position is arranged below the first clamping position, the first clamping positions are matched with each other to form a cylinder clamping space, the second clamping positions are matched with each other to form a round table clamping space, and the first clamping positions and the second clamping positions are all arranged on the same side of the blind rivet clamping jaw and are matched with the blind rivet.

In the utility model, a clearance gap is arranged between the clamping jaw connecting part and the first clamping position, and the clearance gap is matched with the head part of the blind rivet.

In the utility model, a locking position is arranged between the first clamping position and the second clamping position, and the locking position is matched with the upper end of the blind rivet.

In the utility model, the blind rivet clamping jaws are in clearance fit with each other, and the blind rivet clamping jaws are in interference fit with the blind rivet.

In the utility model, the blind rivet clamping jaw is also matched with a driving structure, and the driving structure comprises a clamping driving structure and a displacement driving structure.

Further, the clamping driving structure comprises a group of driving chucks matched with the blind rivet clamping jaws, the blind rivet clamping jaws are fixedly installed on the driving chucks through pins, and the driving chucks are matched with a clamping jaw cylinder.

Further, a chuck driving groove is formed in the free end of the clamping jaw air cylinder, and the driving chuck is arranged in the chuck driving groove and is driven to move in the chuck driving groove by the clamping jaw air cylinder.

Still further, the displacement driving structure comprises a displacement cylinder which is vertically arranged, a push plate is arranged at the free end of the displacement cylinder, and the push plate is connected with the clamping jaw cylinder through a connecting plate.

Preferably, a chuck clearance groove is formed in the position, corresponding to the chuck driving groove, of the push plate, and the driving chuck penetrates through the chuck clearance groove.

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

according to the utility model, the first clamping position designed by the semi-cylindrical body and the second clamping position designed by the semicircular table in the blind rivet clamping jaw are matched with each other, and the clamping action of the upper end and the middle section of the head of the blind rivet is completed by the clamping driving structure, so that on one hand, the inclined angle of the second clamping position is matched with the middle section of the head of the blind rivet, and on the other hand, the degree of freedom of the blind rivet in the clamped state is well limited by the interference fit between the blind rivet clamping jaw and the blind rivet, the shaking caused by inertia in the moving process is avoided, the clamping stability is greatly improved, the reliability of the riveting action is further optimized, the qualification rate of the final product is improved, and the production requirement of an automatic production line can be adapted.

Drawings

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is another angular overall block diagram of the present utility model;

FIG. 3 is an exploded view of the present utility model;

FIG. 4 is another angular exploded view of the present utility model;

FIG. 5 is a block diagram of the blind rivet jaw of the present utility model;

FIG. 6 is another angular block diagram of the blind rivet jaw of the present utility model;

FIG. 7 is a clamping state diagram of the present utility model;

fig. 8 is a drawing of the construction of the blind rivet of the present utility model.

In the figure: 100. a blind rivet clamping jaw; 101. a jaw connection; 102. a first clamping position; 103. a second clamping position; 104. avoidance of gaps; 105. a locking position; 200. clamping the driving structure; 201. driving the chuck; 202. a clamping jaw cylinder; 2021. a chuck driving groove; 300. a displacement driving structure; 301. a displacement cylinder; 302. a push plate; 400. a connecting plate; 401. a chuck void-avoiding groove; 500. and (5) pulling nails.

Detailed Description

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

Referring to fig. 1-8, an embodiment of the present utility model includes:

the blind rivet clamping jaw 100 is used for clamping and fixing the blind rivet 500 in a two-to-two matched mode, the blind rivet clamping jaw 100 comprises a clamping jaw connecting portion 101, the clamping jaw connecting portion 101 is arranged at the top of the blind rivet clamping jaw 100, a first clamping position 102 is arranged below the clamping jaw connecting portion 101, a second clamping position 103 is arranged below the first clamping position 102, the first clamping positions 102 are matched with each other to form a cylinder clamping space, the second clamping positions 103 are matched with each other to form a round table clamping space, and the first clamping positions 102 and the second clamping positions 103 are all arranged on the same side of the blind rivet clamping jaw 100 and are matched with the blind rivet 500.

In this embodiment, a clearance space 104 is provided between the jaw connecting portion 101 and the first clamping position 102, and the clearance space 104 is matched with the head of the blind rivet 500.

In this embodiment, a locking position 105 is disposed between the first clamping position 102 and the second clamping position 103, and the locking position 105 is matched with the upper end of the blind rivet 500.

In this embodiment, the blind rivet jaws 100 are in clearance fit between each other, and the blind rivet jaws 100 are in interference fit with the blind rivet 500.

In this embodiment, the blind rivet jaw 100 is also coupled to a driving structure including a gripping driving structure 200 and a displacement driving structure 300.

Further, the gripping and driving structure 200 includes a set of driving jaws 201 cooperating with the blind rivet jaws 100, the blind rivet jaws 100 are fixedly mounted on the driving jaws 201 by pins, and the driving jaws 201 cooperate with a jaw cylinder 202.

Further, a chuck driving groove 2021 is formed at the free end of the jaw cylinder 202, and the driving chuck 201 is disposed in the chuck driving groove 2021, and the driving chuck 201 is driven by the jaw cylinder 202 to move in the chuck driving groove 2021.

Further, the displacement driving structure 300 includes a vertically disposed displacement cylinder 301, a push plate 302 is disposed at a free end of the displacement cylinder 301, and the push plate 302 is connected to the jaw cylinder 202 through a connection plate 400.

Preferably, a chuck clearance groove 401 is formed at the position of the push plate 400 corresponding to the chuck driving groove 2021, and the driving chuck 201 is inserted into the chuck clearance groove 401.

It should be noted that, in the present embodiment, the slope of the circular truncated cone formed by the second clamping position 103 is different according to different specifications or types of the blind rivet 500, but it is required to ensure that the inner wall of the second clamping position 103 is tightly attached to the head of the blind rivet 500, and to ensure that the whole of the blind rivet 100 is in interference fit with the blind rivet 500.

Working principle:

the clamping jaw cylinder 202 acts to drive the driving chuck 201 to move in the chuck driving groove 2021, in the clamping action, the driving chuck 201 moves towards the inner side, and drives the blind rivet clamping jaw 100 to move towards the inner side until the blind rivet clamping jaw 100 finishes clamping and fixing the blind rivet 500, when the clamping action is finished, the first clamping position 102 and the second clamping position 103 of the blind rivet clamping jaw 100 are tightly attached to the upper end and the middle section of the head of the blind rivet 500, a gap is reserved between the two matched blind rivet clamping jaws 100 after the clamping is finished, the top end of the blind rivet 500 is arranged in the clearance gap 104, the first clamping position 102 limits the movement of the blind rivet 500 in the whole vertical direction, and the second clamping position 102 limits the movement of the blind rivet 500 in the whole horizontal direction.

Example 2

In this embodiment, the blind rivet jaw 100 is matched with a pneumatic blind rivet riveting device, and the blind rivet jaw 100 is used as a clamping and fixing structure to replace the clamping and fixing structure of the traditional pneumatic blind rivet riveting device, so that a better clamping and fixing effect is achieved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A blind rivet jaw with high stability, comprising:

2. A blind rivet jaw with high stability according to claim 1, wherein a clearance space is provided between the jaw connecting portion and the first clamping position, said clearance space being associated with the head of the blind rivet.

3. A blind rivet jaw with high stability according to claim 1, wherein a locking position is arranged between the first clamping position and the second clamping position, and the locking position is matched with the upper end of the blind rivet.

4. A blind rivet jaw with high stability according to claim 1, wherein the blind rivet jaws are in clearance fit between each other and the blind rivet jaws are in interference fit with the blind rivet.

5. A blind rivet jaw as recited in claim 1, characterized in that said blind rivet jaw is further mated with a drive structure comprising a grip drive structure and a displacement drive structure.

6. A blind rivet jaw as recited in claim 5 wherein said gripping drive structure comprises a set of drive jaws engaged with said blind rivet jaw, said blind rivet jaw being fixedly mounted to said drive jaws by pins, and said drive jaws being engaged with a jaw cylinder.

7. A blind rivet jaw as set forth in claim 6 wherein said jaw cylinder has a jaw drive slot at its free end, said drive jaw being disposed in said jaw drive slot and said drive jaw being driven by said jaw cylinder into movement in said jaw drive slot.

8. A blind rivet jaw as recited in claim 7 wherein said displacement drive structure comprises a vertically disposed displacement cylinder, said displacement cylinder having a push plate at a free end thereof, said push plate being connected to said jaw cylinder by a connecting plate.

9. The blind rivet clamping jaw with high stability according to claim 8, wherein a chuck clearance groove is formed in the position, corresponding to the chuck driving groove, of the push plate, and the driving chuck penetrates through the chuck clearance groove.