CN204724781U - A kind of cold-heading molding module of semitubular rivet - Google Patents
A kind of cold-heading molding module of semitubular rivet Download PDFInfo
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- CN204724781U CN204724781U CN201520449913.1U CN201520449913U CN204724781U CN 204724781 U CN204724781 U CN 204724781U CN 201520449913 U CN201520449913 U CN 201520449913U CN 204724781 U CN204724781 U CN 204724781U
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- cylindrical
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- red needle
- die cavity
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Abstract
The utility model is specifically related to a kind of cold-heading molding module of semitubular rivet, it is characterized in that, comprises four groups of formpistons and four groups of formers, and wherein, described four groups of formpistons, comprise first, second, third, fourth formpiston; Described four groups of formers, comprise first, second, third, fourth corresponding with first, second, third, fourth formpiston respectively former; Described first formpiston and the first former constitute stock pre-finishing mould, described second formpiston and the second former constitute bolt head mould, described 3rd formpiston and the 3rd former form bolt shank mould, and the 4th formpiston and the 4th former form bolt bore mould.Reasonably combined by four groups of formpistons and four groups of formers, a kind of semitubular rivet of direct cold-heading molding, does not adopt turning when can ensure that bar portion structure is exquisite, improves the utilization rate of material, reduce costs, improve production efficiency.
Description
Technical field
The utility model relates to cold-heading molding module field, particularly relates to a kind of cold-heading molding module of semitubular rivet.
Background technology
Case and bag are the general designations to sack, are used to the general designation of the various handbags filling thing, comprise general shopping bag, handbag, hand-held bag, wallet, knapsack, singly take on bag, satchel, purse and multiple draw-bar box etc.At present, by the solid nail before widely using semitubular rivet or master and slave dowel and replacing on draw-bar box, significantly production cost can be reduced.But some draw-bar boxes need semitubular rivet, and its bar portion structure is exquisite, and have some functional requirements, after manufacturer first can only manufacture semi-finished product by cold-heading, then completed the production of final products by turning process, such inefficiency, can not meet the demand of large-scale production.
Utility model content
In view of the above, the purpose of this utility model is the cold-heading molding module providing a kind of semitubular rivet, solve in prior art adopt cold-heading module to guarantee bar portion cannot one-time formed problem.
In order to solve the problem, the utility model provides following technical scheme:
A cold-heading molding module for semitubular rivet, is characterized in that, comprises four groups of formpistons and four groups of formers, wherein,
Described four groups of formpistons, comprise first, second, third, fourth formpiston;
Described four groups of formers, comprise first, second, third, fourth corresponding with first, second, third, fourth formpiston respectively former;
Described first formpiston and the first former constitute stock pre-finishing mould, and described first formpiston is provided with the first red needle, and described first former is provided with the first cylindrical mold cavities, and the right side of described first cylindrical mold cavities is provided with the first thimble;
Described second formpiston and the second former constitute bolt head mould, described second formpiston is provided with the second red needle, described second former is provided with the second cylindrical stem first stage building die cavity, second cylindrical stem two sections pre-profiling die cavity, second cylindrical head shaping mold cavity, wherein the diameter of the second cylindrical stem two sections of pre-profiling die cavitys is greater than each cornerwise length of the second octagon, the internal diameter of the second cylindrical head shaping mold cavity equals the external diameter of semitubular rivet head, and the length of the second cylindrical head shaping mold cavity equals the thickness of semitubular rivet head, the second thimble is provided with on the right side of second cylindrical stem first stage building die cavity,
Described 3rd formpiston and the 3rd former form bolt shank mould, described 3rd formpiston is provided with the 3rd red needle, described 3rd former is provided with three cylindrical shape head shaping mold cavity, the 3rd bar portion second stage building die cavity, the 3rd bar portion first stage building die cavity, wherein the 3rd bar portion second stage building die cavity is faced directly by four inclined-planes and four and is formed, and is provided with the 3rd thimble on the right side of described 3rd bar portion first stage building die cavity;
Described 4th formpiston and the 4th former form bolt bore mould, described 4th formpiston is provided with the 4th red needle, be provided with the 4th cylindrical red needle above described 4th red needle, described 4th former is provided with the 4th cylindrical mold cavities, is provided with the 4th thimble on the right side of described 4th cylindrical mold cavities.
The utility model provides a kind of cold-heading molding module of semitubular rivet, preferably, the external diameter of described 4th red needle is greater than the internal diameter of described 4th cylindrical mold cavities, the internal diameter of the internal diameter of described 4th cylindrical red needle and semitubular rivet central hole is in midair consistent, the degree of depth of central hole is consistent in midair with semitubular rivet for the length of described 4th cylindrical red needle, and the length sum of the length of the 4th cylindrical mold cavities and the 4th cylindrical red needle equals the length of semitubular rivet.
Preferential and beneficial effect of the present utility model is: reasonably combined by four groups of formpistons and four groups of formers, a kind of semitubular rivet of direct cold-heading molding, does not adopt turning when can ensure that bar portion structure is exquisite, improves the utilization rate of material, reduce costs, improve production efficiency.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is just preferably described, wherein,
Fig. 1 provides a kind of sectional view of semitubular rivet for the utility model;
Fig. 2 provides a kind of top view of semitubular rivet for the utility model;
Fig. 3 provides the schematic diagram of stock pre-finishing mould for the utility model;
Fig. 4 provides the schematic diagram of bolt head mould for the utility model;
Fig. 5 provides the schematic diagram of bolt shank mould for the utility model;
Fig. 6 provides the schematic diagram of the schematic diagram of the 3rd bar portion second stage building die cavity for the utility model;
Fig. 7 provides A-A cross section in the 3rd bar portion second stage building die cavity schematic diagram for the utility model;
Fig. 8 provides the schematic diagram of bolt bore mould for the utility model.
Detailed description of the invention
Referring to figs. 1 through Fig. 8, the cold-heading molding module embodiment of a kind of semitubular rivet of the utility model is described further.
A kind of semitubular rivet 1 in Fig. 1 and Fig. 2, comprise head 2, bar portion, wherein said bar portion is two-part, comprise a section 3, bar portion, two section 4, bar portion, one section 3, described bar portion is cylinder, and described bar portion is provided with central hole 5 in midair for one section 3, and two section 4, described bar portion is stage body, what two section 4, described bar portion and bar portion contacted side for one section 3 is the first octagon 7, and it is the second octagon 6 that described bar portion contacts side with described head 2 for two section 4.Wherein, the second octagon 6 comprises four limits 61 and four No. two limits 62, and described first octagon 7 comprises eight No. three limits 71, and wherein, the length on described No. three limits 71 is between a limit 61 and the length on No. two limits 62.
Fig. 3 is stock pre-finishing mould, comprises the first formpiston and the first former, and described first formpiston is provided with the first red needle 11, and described first former is provided with the first cylindrical mold cavities 13, and the right side of described first cylindrical mold cavities 13 is provided with the first thimble 12.The steel sheared are sent in the first cylindrical mold cavities 13, first red needle 11 enters to extrude steel in the first cylindrical mold cavities 13 on the left of the first cylindrical mold cavities 13, first thimble 12 withstands the bottom of the first cylindrical mold cavities 13 on the right side of the first cylindrical mold cavities 13, steel shape is arranged, and one is washed into type stock 10 by the first thimble 12 ejection device.
Fig. 4 is bolt head mould, comprise the second formpiston and the second former, described second formpiston is provided with the second red needle 21, described second former is provided with on the right side of second cylindrical stem first stage building die cavity 23, second cylindrical stem two sections of pre-profiling die cavitys 24, second cylindrical head shaping mold cavity 25, second cylindrical stem first stage building die cavity 23 and is provided with the second thimble 22; Be washed into type stock 10 by one and send into the second cylindrical head shaping mold cavity 25, second red needle 21 enters extruding one in the second cylindrical stem two sections of pre-profiling die cavitys 24 and is washed into type stock 10 on the left of the second cylindrical head shaping mold cavity 25, second thimble 24 withstands the bottom of the second cylindrical stem first stage building die cavity 23 on the right side of the second cylindrical stem first stage building die cavity 23, be washed into type stock 10 and form two and be washed into type stock 20, two by extruding one and be washed into type stock 20 by the second thimble 22 ejection device.
Wherein, the diameter of the second cylindrical stem two sections of pre-profiling die cavitys 24 is greater than each cornerwise length of described second octagon, the internal diameter of the second cylindrical head shaping mold cavity 25 equals the external diameter of semitubular rivet 1 head 2, and the length of the second cylindrical head shaping mold cavity 25 equals the thickness of semitubular rivet 1 head 2.
Fig. 5 is bolt shank mould, comprise the 3rd formpiston and the 3rd former, described 3rd formpiston is provided with the 3rd red needle 31, described 3rd former is provided with three cylindrical shape head shaping mold cavity the 35, the 3rd bar portion second stage building die cavity the 34, the 3rd bar portion first stage building die cavity 33, is provided with the 3rd thimble 32 on the right side of described 3rd bar portion first stage building die cavity 33; Be washed into type stock 20 by two and send into three cylindrical shape head shaping mold cavity 35,3rd red needle 31 enters extruding two in the 3rd bar portion second stage building die cavity 34 and is washed into type stock 20 on the left of three cylindrical shape head shaping mold cavity 35,3rd thimble 32 withstands the bottom of the 3rd bar portion first stage building die cavity 33 on the right side of the 3rd bar portion first stage building die cavity 33, be washed into type stock 20 and form three and be washed into type stock 30, three by extruding two and be washed into type stock 30 by the 3rd thimble 32 ejection device.
Wherein, the external diameter that internal diameter and the semitubular rivet 1 bar portion of described 3rd bar portion first stage building die cavity 33 are a section 3 is consistent, and the length in one section 3, the length of described 3rd bar portion first stage building die cavity 33 and semitubular rivet 1 bar portion is consistent.
Fig. 6 is the schematic diagram of the 3rd bar portion second stage building die cavity, described 3rd second stage building die cavity 34 inside, bar portion is stage body, the cross section of described 3rd bar portion second stage building die cavity 34 and three cylindrical shape head shaping mold cavity 35 contact position is the 3rd octagon 36, the shape of the shape of described 3rd octagon 36 and size and described second octagon 6 and in the same size, described 3rd bar portion second stage building die cavity 34 is the 4th octagon 37 with the cross section of first stage building die cavity 33 contact position, described three cylindrical shape bar portion, the shape of the shape of described first octagon 6 and size and described 4th octagon 37 and in the same size.
Fig. 7 is A-A cross section in the 3rd bar portion second stage building die cavity schematic diagram, and the 3rd bar portion second stage building die cavity 34 38 to be made up of facing directly of four inclined-plane 38 vertical planes vertical with four.
Fig. 8 is bolt bore mould, comprise the 4th formpiston and the 4th former, described 4th formpiston is provided with the 4th red needle 41, the 4th cylindrical red needle 44 is provided with above described 4th red needle 41, described 4th former is provided with the 4th cylindrical mold cavities 43, is provided with the 4th thimble 42 on the right side of described 4th cylindrical mold cavities 43.Be washed into three after type stock 30 revolves turnback and send into the 4th cylindrical mold cavities 43,4th red needle 41 enters and is washed into type stock 30 bar portion to three in the 4th cylindrical mold cavities 43 and carries out punching on the left of the 4th cylindrical mold cavities 43,4th thimble 42 withstands the bottom of the 4th cylindrical mold cavities 43 on the right side of the 4th cylindrical mold cavities 43, be washed into type stock 30 and form four and be washed into type stock 40, four by extruding three and be washed into type stock 40 by the 4th thimble 42 ejection device.
Wherein, the external diameter of described 4th red needle 41 is greater than the internal diameter of described 4th cylindrical mold cavities 43, the internal diameter of the internal diameter of described 4th cylindrical red needle 44 and semitubular rivet 1 central hole 5 is in midair consistent, the degree of depth of the length of described 4th cylindrical red needle 44 and semitubular rivet 1 central hole 5 is in midair consistent, and the length sum of the length of the 4th cylindrical mold cavities 43 and the 4th cylindrical red needle 44 equals the length of semitubular rivet 1.
Last it is noted that the foregoing is only preferred embodiment of the present utility model; be not limited to the utility model; although be described in detail the utility model with reference to previous embodiment; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (2)
1. a cold-heading molding module for semitubular rivet, is characterized in that, comprises four groups of formpistons and four groups of formers, wherein,
Described four groups of formpistons, comprise first, second, third, fourth formpiston;
Described four groups of formers, comprise first, second, third, fourth corresponding with first, second, third, fourth formpiston respectively former;
Described first formpiston and the first former constitute stock pre-finishing mould, described first formpiston is provided with the first red needle (11), described first former is provided with the first cylindrical mold cavities (13), and the right side of described first cylindrical mold cavities (13) is provided with the first thimble (12);
Described second formpiston and the second former constitute bolt head mould, described second formpiston is provided with the second red needle (21), described second former is provided with the second cylindrical stem first stage building die cavity (23), second cylindrical stem two sections pre-profiling die cavity (24), second cylindrical head shaping mold cavity (25), wherein the diameter of the second cylindrical stem two sections of pre-profiling die cavitys (24) is greater than each cornerwise length of the second octagon (6), the internal diameter of the second cylindrical head shaping mold cavity (25) equals the external diameter of semitubular rivet (1) head (2), and the length of the second cylindrical head shaping mold cavity (25) equals the thickness of semitubular rivet (1) head (2), second cylindrical stem first stage building die cavity (23) right side is provided with the second thimble (22),
Described 3rd formpiston and the 3rd former form bolt shank mould, described 3rd formpiston is provided with the 3rd red needle (31), described 3rd former is provided with three cylindrical shape head shaping mold cavity (35), the 3rd bar portion second stage building die cavity (34), the 3rd bar portion first stage building die cavity (33), wherein the 3rd bar portion second stage building die cavity (34) is faced directly (38) by four inclined-planes (38) forms with four, is provided with the 3rd thimble (32) on the right side of described 3rd bar portion first stage building die cavity (33);
Described 4th formpiston and the 4th former form bolt bore mould, described 4th formpiston is provided with the 4th red needle (41), described 4th red needle (41) top is provided with the 4th cylindrical red needle (44), described 4th former is provided with the 4th cylindrical mold cavities (43), and described 4th cylindrical mold cavities (43) right side is provided with the 4th thimble (42).
2. the cold-heading molding module of a kind of semitubular rivet according to claim 1, it is characterized in that, the external diameter of described 4th red needle (41) is greater than the internal diameter of described 4th cylindrical mold cavities (43), the internal diameter of the internal diameter of described 4th cylindrical red needle (44) and semitubular rivet (1) central hole (5) is in midair consistent, the degree of depth of the length of described 4th cylindrical red needle (44) and semitubular rivet (1) central hole (5) is in midair consistent, and the length sum of the length of the 4th cylindrical mold cavities (43) and the 4th cylindrical red needle (44) equals the length of semitubular rivet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520449913.1U CN204724781U (en) | 2015-06-29 | 2015-06-29 | A kind of cold-heading molding module of semitubular rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520449913.1U CN204724781U (en) | 2015-06-29 | 2015-06-29 | A kind of cold-heading molding module of semitubular rivet |
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| Publication Number | Publication Date |
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| CN204724781U true CN204724781U (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520449913.1U Expired - Fee Related CN204724781U (en) | 2015-06-29 | 2015-06-29 | A kind of cold-heading molding module of semitubular rivet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695278A (en) * | 2017-09-29 | 2018-02-16 | 宁波市鄞州风名工业产品设计有限公司 | A kind of secondary cold-rolling head forming machine |
| CN108421944A (en) * | 2018-03-19 | 2018-08-21 | 温州市翔潮汽车零部件有限公司 | Semi-hollow cold headers |
| CN112823066A (en) * | 2018-08-03 | 2021-05-18 | 阿特拉斯·科普柯Ias(英国)有限公司 | Method of forming a riveted joint |
-
2015
- 2015-06-29 CN CN201520449913.1U patent/CN204724781U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695278A (en) * | 2017-09-29 | 2018-02-16 | 宁波市鄞州风名工业产品设计有限公司 | A kind of secondary cold-rolling head forming machine |
| CN107695278B (en) * | 2017-09-29 | 2019-04-16 | 宁波市鄞州风名工业产品设计有限公司 | A kind of secondary cold-rolling head molding machine |
| CN108421944A (en) * | 2018-03-19 | 2018-08-21 | 温州市翔潮汽车零部件有限公司 | Semi-hollow cold headers |
| CN108421944B (en) * | 2018-03-19 | 2023-12-29 | 温州市翔潮汽车零部件有限公司 | Semi-hollow cold header |
| CN112823066A (en) * | 2018-08-03 | 2021-05-18 | 阿特拉斯·科普柯Ias(英国)有限公司 | Method of forming a riveted joint |
| CN112823066B (en) * | 2018-08-03 | 2023-11-24 | 阿特拉斯·科普柯Ias(英国)有限公司 | Method of forming a rivet joint |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20160629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |