CN203508763U - Hole-free riveting die mechanism - Google Patents
Hole-free riveting die mechanism Download PDFInfo
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- CN203508763U CN203508763U CN201320542869.XU CN201320542869U CN203508763U CN 203508763 U CN203508763 U CN 203508763U CN 201320542869 U CN201320542869 U CN 201320542869U CN 203508763 U CN203508763 U CN 203508763U
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- riveting
- plate
- riveted joint
- insert
- impression
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Abstract
The utility model provides a hole-free riveting die mechanism. A die comprises an upper die holder and a lower die holder, wherein a forming insert is arranged on the upper die holder, coining inserts are arranged on the forming insert, the coining inserts correspond to riveting positions on a riveting plate, and the work height of each coining insert is smaller than the thickness of the corresponding riveting position. The coining inserts can conduct pressing on the corresponding hole-free riveting positions on the plate in the plate forming stage so as to form impressions and lower the thicknesses of the riveting positions of the plate. When hole-free riveting is conducted on a viscous material aluminum plate and the thickness of the plate is larger than the work height of riveting nuts, in the forming process, the thickness of the portion, on the riveting waste material area, of the plate is controlled to be close to or smaller than the riveting work height of the riveting nuts, and therefore it is ensured that the riveting nuts can penetrate through the part in the riveting process, and the part and waste materials can be smoothly separated; due to pre-stamping, the materials deform when force is exerted on the materials, and the material strength of the riveting area is improved.
Description
Technical field
The utility model relates to riveting die set, relates in particular to a kind of mold mechanism for atresia riveted joint plate.
Background technology
Riveting products is that the monolateral connection of sheet part provides a great convenience, without heavy erecting tools, just can complete and connect fast and effectively and can generate stable standard internal and external threads, after can realizing surface treatment, cold-working is installed, pollution-free, is effective substitute products of welded nut.Moreover, riveting technology can be realized two kinds of high strength between different materials part and connect, therefore at current aluminium sheet automobile panel, apply under day by day broad trend, riveting technology is also more widely used as the effective interconnection technique that connects aluminium sheet and steel plate.
Riveting process is divided into again porose riveted joint and atresia riveted joint at present, and wherein atresia riveted joint is again because it is without more stable at preorder pre-punched hole and riveted joint process, and position degree more holds manageable advantage and is widely used.Generally, because plate material is thick less, lower than the working depth of atresia riveting nut, so in atresia riveted joint process, the discharge of waste material is very well.
But at some in particular cases, such as the atresia riveted joint of aluminium sheet covering, because aluminium self viscosity is larger, material has more burr to cause its material separation more difficult when separated, and aluminium sheet covering self material is thick, how more than 3mm, expect thickly will to be greater than the working depth of atresia riveting nut, as shown in Figure 1, now easyly cause riveting waste material and be bonded in die, cannot discharge smoothly, cause operative employee's pickup smoothly, have a strong impact on production efficiency.
Utility model content
Technical problem to be solved in the utility model is exactly for current mould above shortcomings, provides a kind of mold mechanism for atresia riveted joint plate, for solving the problems of the prior art.
For achieving the above object and other relevant objects, the utility model provides a kind of atresia riveting die set mechanism, described mould comprises upper bolster and die shoe, described upper bolster is provided with to be shaped and inserts, described shaping is inserted to be provided with to impress and is inserted, riveted joint place on corresponding described riveted joint plate of inserting of described impression, the working depth that described impression is inserted is less than the thickness of described riveted joint place.
Preferably, described shaping is inserted and is provided with fixing hole, described impression dismountable being fastened in fixing hole of inserting.
Preferably, described impression is inserted cross section for circular.
Preferably, the working depth that described impression is inserted is greater than thick poor with riveting nut working depth of plate material.
Preferably, described mould is stamping die.
By above technical scheme, the utility model has following technique effect compared to prior art: impression is inserted and can on plate, atresia riveted joint place of correspondence be extruded an impression in the sheet forming stage, reduces riveted joint place sheet thickness.Atresia riveted joint for cohesive material aluminium sheet, and when the thickness of plate is greater than riveting nut working depth, in forming process, control riveted joint waste material region sheet thickness, its sheet thickness is approached or be less than riveting nut riveting work height, while guaranteeing riveted joint, riveting nut can penetrate part, smooth separate component and waste material, and because pre-punching prints, material stress deformation, riveted joint region material intensity is improved.
Accompanying drawing explanation
Fig. 1 is the use view of existing riveted joint plate;
Fig. 2 is the structural representation of the utility model preferred embodiment.
Element numbers explanation:
1 impression is inserted
2 riveted joint plates
3 are shaped inserts
4 riveting nuts
The specific embodiment
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this description.
Refer to Fig. 1 to Fig. 2.Notice, appended graphic the illustrated structure of this description, ratio, size etc., equal contents in order to coordinate description to disclose only, for person skilled in the art scholar, understand and read, not in order to limit the enforceable qualifications of the utility model, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under the effect that the utility model can produce and the object that can reach, all should still drop on the technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, in this description, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under without essence change technology contents, when being also considered as the enforceable category of the utility model.
Consult shown in Fig. 2, it is the structural representation of the utility model atresia riveting die set mechanism preferred embodiment, for atresia riveted joint plate 2, mould is stamping die, comprise upper bolster and die shoe, described upper bolster is provided with to be shaped inserts 3, described shaping is inserted and 3 is provided with fixing hole, one impresses 1 dismountable being fastened in fixing hole of inserting, riveted joint place that impression is inserted on 1 corresponding described riveted joint plate 2, the impression working depth of inserting is micro-is greater than thick poor with riveting nut working depth of plate material, is slightly smaller than the thickness of riveted joint place.
Because riveted holes is circular, the cross section that impression is inserted is also set to circle.
During moulding, riveted joint plate 2 is positioned over to be shaped and inserts on 3.Mould operation, patrix, with the descending arrival bottom dead centre of press, forms riveted joint plate 2, simultaneously at the atresia riveted joint place impression that is shaped, reduces the sheet thickness at this place, makes this place's thickness close with riveting nut 4 thickness.During follow-up riveting nut 4 riveted joint, can cut off smoothly plate, waste material is discharged in time, then guarantee production efficiency.
In sum, impression of the present utility model is inserted and can on plate, atresia riveted joint place of correspondence be extruded an impression in the sheet forming stage, reduces riveted joint place sheet thickness.Atresia riveted joint for cohesive material aluminium sheet, and when the thickness of plate is greater than riveting nut working depth, in forming process, control riveted joint waste material region sheet thickness, its sheet thickness is approached or be less than riveting nut riveting work height, while guaranteeing riveted joint, riveting nut can penetrate part, smooth separate component and waste material, and because pre-punching prints, material stress deformation, riveted joint region material intensity is improved.So the utility model has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (5)
1. an atresia riveting die set mechanism, described mould comprises upper bolster and die shoe, it is characterized in that, described upper bolster is provided with insert (3) that are shaped, described shaping insert (3) be provided with impression insert (1), riveted joint place on (1) corresponding described riveted joint plate (2) of inserting of described impression, the insert working depth of (1) of described impression is less than the thickness of described riveted joint place.
2. atresia riveting die set according to claim 1 mechanism, is characterized in that, described shaping insert (3) be provided with fixing hole, described impression is inserted, and (1) is dismountable to be fastened in fixing hole.
3. atresia riveting die set according to claim 1 mechanism, is characterized in that, described impression is inserted (1) cross section for circular.
4. atresia riveting die set according to claim 1 mechanism, is characterized in that, the insert working depth of (1) of described impression is greater than thick poor with riveting nut working depth of plate material.
According to claim 1 ?atresia riveting die set mechanism described in 4 any one, it is characterized in that, described mould is stamping die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320542869.XU CN203508763U (en) | 2013-09-02 | 2013-09-02 | Hole-free riveting die mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320542869.XU CN203508763U (en) | 2013-09-02 | 2013-09-02 | Hole-free riveting die mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203508763U true CN203508763U (en) | 2014-04-02 |
Family
ID=50367745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320542869.XU Expired - Fee Related CN203508763U (en) | 2013-09-02 | 2013-09-02 | Hole-free riveting die mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203508763U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106238655A (en) * | 2015-06-11 | 2016-12-21 | 福特汽车公司 | The method combining the adjustable plate of commonality for self-punching rivet/punch die and mechanical hand |
| CN107999642A (en) * | 2017-11-29 | 2018-05-08 | 苏州酉立精工科技有限公司 | The Multi-station synchronous clinching method prepared for solar bracket |
-
2013
- 2013-09-02 CN CN201320542869.XU patent/CN203508763U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106238655A (en) * | 2015-06-11 | 2016-12-21 | 福特汽车公司 | The method combining the adjustable plate of commonality for self-punching rivet/punch die and mechanical hand |
| CN107999642A (en) * | 2017-11-29 | 2018-05-08 | 苏州酉立精工科技有限公司 | The Multi-station synchronous clinching method prepared for solar bracket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200433 No. 303 East National Road, Shanghai, Yangpu District Patentee after: HUAYU AUTOMOTIVE BODY COMPONENTS TECHNOLOGY (SHANGHAI) Co.,Ltd. Address before: 200433 No. 303 East National Road, Shanghai, Yangpu District Patentee before: SHANGHAI TRACTOR & INTERNAL COMBUSTION ENGINE Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 |