CN110653301A

CN110653301A - Riveting tool

Info

Publication number: CN110653301A
Application number: CN201910910195.6A
Authority: CN
Inventors: 林勇; 史马圣; 饶胜; 夏飞剑
Original assignee: ZHEJIANG FEIJIAN INDUSTRY & TRADE Co Ltd
Current assignee: ZHEJIANG FEIJIAN INDUSTRY & TRADE Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-01-07

Abstract

The invention discloses a riveting tool which comprises an upper die, a first pressing block, a lower die, a fixing plate and a guiding positioning piece, wherein a first fixing shaft is arranged on the lower die, the upper die is matched with the lower die and drives the lower die to move downwards, the guiding positioning piece penetrates through the fixing plate and is connected with the lower die, the riveting tool further comprises a tension spring fixing shaft and a first tension spring, a first tension spring hole is formed in the first pressing block, the tension spring fixing shaft is connected with the lower die, one end of the first tension spring is connected with the tension spring fixing shaft, the other end of the first tension spring is connected with the first tension spring hole in the first pressing block, the bottom of the first pressing block is contacted with the fixing plate, and the first pressing block is rotatably connected to the lower die through the first fixing shaft. The automatic riveting device can automatically reset after riveting, improves the safety level and the processing efficiency, and simultaneously reduces the operation difficulty, so that a common operator can also be competent for riveting.

Description

Riveting tool

Technical Field

The invention relates to the field of tools, in particular to a riveting tool.

Background

In the prior art, when a sheet metal part needs to be connected and fastened with other parts, modes such as welding, threaded connection, bonding, crimping, riveting and the like are generally adopted, and the riveting connection and fastening mode has the advantages of easy operability, low cost and convenience in disassembly and maintenance of subsequent parts, so that the sheet metal part is favored by vast users. Most users in the prior art generally connect and fasten the sheet metal part and other parts manually, the appearance of the parts which are connected and fastened manually is not attractive, and the connection relation between the parts is difficult to meet the requirements. Also some users adopt simple and easy frock to connect fixedly, but simple and easy frock can not automatic re-setting after the riveting is accomplished needs the manual reset of user, and not only inefficiency is higher safety risk when higher to operator's requirement. Therefore, the riveting method for the sheet metal part and other parts needs to be improved.

Disclosure of Invention

The invention aims at the problems that the appearance of a part which is formed by manually connecting and fastening a sheet metal part and other parts in the prior art is not attractive, and the connection relation between the parts is difficult to meet the requirements; the simple tool is adopted for riveting, the tool cannot automatically reset after riveting is completed, manual resetting of a user is required, the efficiency is low, the requirement on an operator is high, the safety risk is high, and the like.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the utility model provides a riveting frock, includes last mould, first briquetting, lower mould, fixed plate, direction setting element, the lower mould on be provided with first fixed axle, last mould with lower mould adaptation and drive the lower mould downstream, the direction setting element pass the fixed plate and with the lower mould connect, still include extension spring fixed axle, first extension spring, first briquetting on be provided with first extension spring hole, the extension spring fixed axle with the lower mould connect, the one end of first extension spring with extension spring fixed axle connect, the other end of first extension spring with first extension spring jogged joint on the first briquetting, the bottom of first briquetting with the fixed plate contact, first briquetting pass through first fixed axle rotate be connected to the lower mould on.

The upper die provides a driving force for downward movement of the lower die. The fixed plate is the load-bearing platform of other parts of riveting frock on the one hand, and on the other hand when the lower mould was pressed under the cope match, first briquetting bottom can outwards remove along the fixed plate, realizes the internal rotation on first briquetting upper portion, and first briquetting rotates around first fixed axle under the effect of rotatory power, and its effect lies in carrying out the riveting to sheet metal component and other parts. The guide positioning piece plays a role in providing guide for the lower die, and simultaneously provides restoring force for the lower die when the upper die removes the driving force; one end of the first tension spring is connected with the tension spring fixing shaft, the other end of the first tension spring is connected with the first tension spring hole, when the upper die is removed from driving force, the lower die moves upwards to reset, the first tension spring is used for providing restoring force for the first pressing block, and the guide positioning piece and the first tension spring enable the riveting die to automatically reset after riveting is completed, manual resetting of a user is not needed, so that the safety level and the processing efficiency are improved, meanwhile, the operation difficulty is reduced, and a common operator can also be competent for riveting.

Preferably, the riveting tool is provided with a first rotating hole on the first pressing block, a first mounting groove is formed in the lower die, a first mounting hole is formed in the first mounting groove, and the first fixing shaft penetrates through the first mounting hole and the first rotating hole to rotatably connect the first pressing block to the lower die.

The first mounting groove arranged on the lower die is used for limiting the rotation amplitude of the first pressing block, and meanwhile, the effects of reducing the weight of the lower die and reducing the cost are achieved. First mounting hole, first rotatory hole not only process conveniently for moreover make first briquetting can add convenient through first fixed axle rotate be connected to the lower mould on, realize that first briquetting is connected with the rotation of lower mould.

Preferably, in the riveting tool, the guide positioning element includes a compression elastic element and a guide pillar, the guide pillar is connected to the fixing plate and the lower die, and the compression elastic element is sleeved on the guide pillar and located between the fixing plate and the lower die.

The guide pillar provides the guide effect for the lower mould, compresses the elastic component when upper die drive lower mould moves down and is compressed and store elastic potential energy simultaneously, and the elastic potential energy of compressing the elastic component when the upper mould removes drive power provides the restoring force for the lower mould, makes the lower mould can automatic re-setting, improves machining efficiency.

Preferably, in the riveting tool, the fixing plate is provided with a step through hole, a step surface is arranged on the step through hole, the guide post comprises a connecting guide part and a limiting part, the connecting guide part and the limiting part are in up-and-down sliding fit with each other in the step through hole, the connecting guide part is connected with the lower die, and the step surface limits the upward sliding stroke of the limiting part.

Connect guide part and lower mould, step through-hole and be connected for lead to the removal of lower mould, spacing portion guarantees on the one hand that the lower mould does not deviate from the fixed plate, and on the other hand is the stroke of restriction lower mould rebound, guarantees the accurate of lower mould and resets.

Preferably, in the riveting tool, the connecting guide portion includes a guide portion and a connecting portion, the connecting portion is connected with the lower die, and the guide portion is in up-and-down sliding fit with the step through hole.

The connecting part is used for connecting the lower die, and the guide part is used for guiding the movement of the lower die, so that the surface precision of the guide part is only required to be subjected to fine processing during processing, the cost is saved, and meanwhile, the weight of the guide pillar is reduced, and the transportation and the management are facilitated.

Preferably, in the riveting tool, the compression elastic member is a compression spring.

Compression spring is with low costs not only, and the elastic potential energy who stores when the lower mould moves down is big moreover for the restoration of riveting frock is more convenient, laborsaving.

Preferably, the riveting tool further comprises a second tension spring and a second pressing block, a second fixing shaft is arranged on the lower die, the second pressing block is connected to the lower die in a paired rotating mode through the second fixing shaft, a second tension spring hole is formed in the second pressing block, and two ends of the second tension spring are connected to the second tension spring hole in the paired second pressing block respectively.

The second fixed shaft is used for connecting the paired second pressing blocks to the lower die in a rotating manner. The both ends of second extension spring respectively with the second extension spring jogged joint on the second briquetting that sets up in pairs, not only the installation has simplified the process of installation, also can guarantee the synchronism of the second briquetting motion that sets up in pairs simultaneously, further provides the work efficiency of riveting.

Preferably, in the riveting tool, a second mounting groove is formed in the lower die, a second mounting hole is formed in the second mounting groove, and the second fixing shaft penetrates through the second mounting hole to rotatably connect the second pressing block to the lower die.

The second mounting groove arranged on the lower die can limit the rotation amplitude of the second pressing block, and can reduce the weight and the cost of the lower die. The second mounting hole is convenient to process, and the second pressing block can be connected to the lower die through the second fixing shaft in a rotating mode more conveniently.

Preferably, in the riveting tool, the first pressing block is provided with an arc surface, and the arc surface is in contact with the fixing plate.

The contact between arc surface and the fixed plate is the form of line and face, and frictional resistance is little for first briquetting is changeed and is removed along the fixed plate, thereby improves the rotation efficiency of first briquetting.

Preferably, in the riveting tool, an accommodating cavity is formed in the lower die.

The holding cavity provides a holding space for the part to be riveted, and meanwhile, the part to be riveted can be prevented from moving in the riveting process, so that the riveting qualification rate of riveting products is improved.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a schematic structural view of the present invention in the riveting position;

FIG. 4 is a first cross-sectional view of the lower die and the stationary plate portion of FIG. 1;

FIG. 5 is a second cross-sectional view of the lower mold and the stationary plate portion of FIG. 1;

FIG. 6 is a schematic structural view of a guiding and positioning member according to the present invention;

FIG. 7 is a schematic structural view of a first briquette according to the present invention;

FIG. 8 is a cross-sectional view of the lower die and retaining plate portions in the clinch position of the present invention.

Detailed Description

The invention will be described in further detail below with reference to the accompanying figures 1-8 and the detailed description, but they are not intended to limit the invention:

example 1

As shown in fig. 1 to 8, a riveting tool comprises an upper die 1, a first pressing block 2, a lower die 3, a fixing plate 5 and a guiding and positioning piece 6, the lower die 3 is provided with a first fixed shaft 36, the upper die 1 is matched with the lower die 3 and drives the lower die 3 to move downwards, the guiding and positioning piece 6 passes through the fixing plate 5 and is connected with the lower die 3, and also comprises a tension spring fixing shaft 8 and a first tension spring 9, the first pressing block 2 is provided with a first tension spring hole 22, the tension spring fixing shaft 8 is connected with the lower die 3, one end of the first tension spring 9 is connected with the tension spring fixing shaft 8, the other end of the first tension spring 9 is connected with the first tension spring hole 22 on the first pressing block 2, the bottom of the first pressing block 2 contacts the fixing plate 5, and the first pressing block 2 is rotatably connected to the lower die 3 by the first fixing shaft 36.

Assembling and debugging the riveting tool, wherein an operator connects the tension spring fixing shaft 8 to the lower die 3; the first pressing block 2 is rotatably connected to the lower die 3 through a first fixing shaft 36; one end of a first tension spring 9 is connected with the tension spring fixing shaft 8, and the other end of the first tension spring 9 is connected with a first tension spring hole 22; two ends of the guiding and positioning piece 6 are respectively connected with the lower die 3 and the fixing plate 5. Further go up mould 1, fixed plate 5 and be connected to the driving machine on, start the driving machine and debug the riveting frock to the state of treating the riveting, go up mould 1 and lower mould 3 separation promptly.

A part to be riveted is placed on the lower die 3, a driving machine is started to work, the driving machine drives the upper die 1 to move downwards and presses the lower die 3 to move downwards, meanwhile, the upper portion of the first pressing block 2 rotates inwards around the first fixed shaft 36 under the action of the lower die 3, and the first tension spring hole 22 is pulled to generate elastic potential energy. When the first pressing block 2 rotates to be in contact with the part to be riveted, the lower die 3 moves downwards, and the first pressing block 2 rivets the part to be riveted. After riveting, the driving machine drives the upper die 1 to move upwards to a position to be riveted, the lower die 3 moves upwards to reset under the action of the guide positioning piece 6, and the first pressing block 2 rotates around the first fixed shaft 36 to the position to be riveted under the action of elastic potential energy of the first tension spring 9, so that riveting of parts and resetting of the riveting tool are completed.

Preferably, the first press block 2 is provided with a first rotating hole 21, the lower die 3 is provided with a first mounting groove 31, the first mounting groove 31 is provided with a first mounting hole 32, and the first fixing shaft 36 passes through the first mounting hole 32 and the first rotating hole 21 to rotatably connect the first press block 2 to the lower die 3.

Preferably, the guiding and positioning element 6 includes a compression elastic element 61 and a guide post 62, the guide post 62 connects the fixing plate 5 and the lower die 3, and the compression elastic element 61 is sleeved on the guide post 62 and is located between the fixing plate 5 and the lower die 3.

Preferably, the fixing plate 5 is provided with a stepped through hole 51, the stepped through hole 51 is provided with a stepped surface 52, the guide post 62 includes a connecting guide portion 621 and a stopper portion 622, the connecting guide portion 621 and the stopper portion 622 are vertically slidably fitted in the stepped through hole 51, the connecting guide portion 621 is connected to the lower die 3, and the stepped surface 52 restricts an upward sliding stroke of the stopper portion 622.

Preferably, the connecting guide 621 includes a guide 623 and a connecting portion 624, the connecting portion 624 is connected to the lower die 3, and the guide 623 is slidably engaged with the stepped through hole 51 in a vertical direction.

Preferably, the compression elastic member 61 is a compression spring.

Preferably, the lower die further comprises a second tension spring 7 and a second pressing block 4, a second fixing shaft 37 is arranged on the lower die 3, the second pressing block 4 is connected to the lower die 3 in a paired rotating manner through the second fixing shaft 37, a second tension spring hole 41 is formed in the second pressing block 4, and two ends of the second tension spring 7 are connected with the second tension spring holes 41 in the second pressing block 4 in a paired manner respectively.

Preferably, the lower mold 3 is provided with a second mounting groove 33, the second mounting groove 33 is provided with a second mounting hole 34, and the second fixing shaft 37 passes through the second mounting hole 34 to rotatably connect the second pressing block 4 to the lower mold 3.

Preferably, the first pressing block 2 is provided with a circular arc surface 23, and the circular arc surface 23 is in contact with the fixing plate 5.

Preferably, the lower die 3 is provided with an accommodating cavity 35.

More specifically, during assembly and debugging of the riveting tool, an operator connects the tension spring fixing shaft 8 to the lower die 3; the first pressing block 2 is placed in the first mounting groove 31 and is rotatably connected to the lower die 3 through the first fixing shaft 36 and the first mounting hole 32, the second pressing block 4 is placed in the second mounting groove 33 and is rotatably connected to the lower die 3 through the second fixing shaft 37 and the second mounting hole 34; two ends of a first tension spring 9 are respectively connected with the tension spring fixing shaft 8 and the first tension spring hole 22, and two ends of a second tension spring 7 are respectively connected with second tension spring holes 41 on the second pressing blocks 4 which are arranged in pairs; the guide portion 623 and the connecting portion 624 sequentially penetrate through the step through hole 51 and the compression elastic member 61, so that the connecting portion 624 is connected with the lower die 3, and the limiting portion 622 is matched with the step surface 52, thereby completing the connection of the fixing plate 5 and the lower die 3.

Placing a part to be riveted on the accommodating cavity 35, starting a driving machine to work, driving the upper die 1 to move downwards by the driving machine and pressing the lower die 3 to move downwards, compressing the elastic piece 61 to generate elastic potential energy, and enabling the guide portion 623 to slide downwards relative to the step through hole 51; meanwhile, the bottom of the first pressing block 2 moves outwards along the fixing plate 5, so that the upper part of the first pressing block 2 rotates inwards around the first fixing shaft 36, and the first tension spring 9 is pulled to generate elastic potential energy; the second pressing block 4 moves outwards along the fixing plate 5 at the bottom, so that the upper part of the second pressing block 4 rotates inwards around the second fixing shaft 37, and the second tension spring 7 is pulled to generate elastic potential energy. When the first pressing block 2 and the second pressing block 4 rotate to be in contact with the part to be riveted, the lower die 3 moves downwards, and the first pressing block 2 and the second pressing block 4 rivet the part to be riveted. After riveting, the driving machine drives the upper die 1 to move upwards to a position to be riveted, the lower die 3 moves upwards under the action of the compression elastic piece 61, the first pressing block 2 rotates around the first fixed shaft 36 to the position to be riveted under the action of the elastic potential energy of the first tension spring 9, and the second pressing block 4 rotates around the second fixed shaft 37 to the position to be riveted under the action of the elastic potential energy of the second tension spring 7, so that riveting of parts and resetting of the riveting tool are completed.

In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the present invention.

Claims

1. The utility model provides a riveting frock, includes last mould (1), first briquetting (2), lower mould (3), fixed plate (5), direction setting element (6), lower mould (3) on be provided with first fixed axle (36), last mould (1) with lower mould (3) adaptation and drive lower mould (3) lapse, direction setting element (6) pass fixed plate (5) and with lower mould (3) connect its characterized in that: still include extension spring fixed axle (8), first extension spring (9), first briquetting (2) on be provided with first extension spring hole (22), extension spring fixed axle (8) with lower mould (3) connect, the one end of first extension spring (9) with extension spring fixed axle (8) connect, the other end of first extension spring (9) with first extension spring hole (22) on first briquetting (2) connect, the bottom of first briquetting (2) with fixed plate (5) contact, first briquetting (2) pass through first fixed axle (36) rotate and be connected to lower mould (3) on.

2. The riveting tool according to claim 1, characterized in that: first briquetting (2) on be provided with first rotatory hole (21), lower mould (3) on be provided with first mounting groove (31), first mounting groove (31) on be provided with first mounting hole (32), first fixed axle (36) pass first mounting hole (32), first rotatory hole (21) will first briquetting (2) rotate connect in lower mould (3) on.

3. The riveting tool according to claim 1, characterized in that: the guide positioning part (6) comprises a compression elastic part (61) and a guide post (62), the guide post (62) is connected with the fixing plate (5) and the lower die (3), and the compression elastic part (61) is sleeved on the guide post (62) and is positioned between the fixing plate (5) and the lower die (3).

4. The riveting tool according to claim 3, characterized in that: the fixed plate (5) is provided with a step through hole (51), a step surface (52) is arranged on the step through hole (51), the guide post (62) comprises a connecting guide part (621) and a limiting part (622), the connecting guide part (621) and the limiting part (622) are in up-and-down sliding fit with the step through hole (51), the connecting guide part (621) is connected with the lower die (3), and the step surface (52) limits the upward sliding stroke of the limiting part (622).

5. The riveting tool according to claim 4, wherein: the connecting guide part (621) comprises a guide part (623) and a connecting part (624), the connecting part (624) is connected with the lower die (3), and the guide part (623) is in up-and-down sliding fit with the step through hole (51).

6. The riveting tool according to claim 3, characterized in that: the compression elastic member (61) is a compression spring.

7. The riveting tool according to claim 1, characterized in that: still include second extension spring (7), second briquetting (4), lower mould (3) on be provided with second fixed axle (37), second briquetting (4) pass through second fixed axle (37) rotate in pairs and connect in lower mould (3) on, second briquetting (4) on be provided with second extension spring hole (41), the both ends of second extension spring (7) be connected with second extension spring hole (41) on second briquetting (4) that set up in pairs respectively.

8. The riveting tool according to claim 7, wherein: the lower die (3) is provided with a second mounting groove (33), the second mounting groove (33) is provided with a second mounting hole (34), and a second fixing shaft (37) penetrates through the second mounting hole (34) to rotatably connect the second pressing block (4) to the lower die (3).

9. The riveting tool according to claim 1, characterized in that: the first pressing block (2) is provided with an arc surface (23), and the arc surface (23) is in contact with the fixing plate (5).

10. The riveting tool according to claim 1, characterized in that: and an accommodating cavity (35) is formed in the lower die (3).