CN103433417B - Automatic clamp opening mechanism of cold header - Google Patents
Automatic clamp opening mechanism of cold header Download PDFInfo
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- CN103433417B CN103433417B CN201310379644.1A CN201310379644A CN103433417B CN 103433417 B CN103433417 B CN 103433417B CN 201310379644 A CN201310379644 A CN 201310379644A CN 103433417 B CN103433417 B CN 103433417B
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Abstract
The invention relates to an automatic clamp opening mechanism of a cold header. The mechanism comprises an operating shaft part, a base body part and a material receiving part, wherein the operating shaft part comprises an operating shaft body, clamp piece fixings wings and a clamp, one end of the operating shaft body is cylindrical and connected with the cold header, and the other end of the operating shaft body is an upper backup plate and a lower backup plate which are parallel to each other; the clamp piece fixing wings comprise a left clamp piece fixing wing and a right clamp piece fixing wing; the left clamp piece fixing wing is connected with the upper backup plate through a fixing pin; the right clamp piece fixing wing is connected with the upper backup plate through a fixing pin. Besides, adjusting holes and spring holes are respectively formed in the corresponding positions of the left clamp piece fixing wing and the right clamp piece fixing wing; the clamp comprises a left clamp piece and a right clamp piece, the left clamp piece is connected with the left clamp piece fixing wing, and the other end of the left clamp piece is in the shape of a circular arc; the right clamp piece is connected with the right clamp piece fixing wing, and the other end of the right clamp piece is in the shape of a circular arc. The mechanism can effectively protect the clamp against collision damage and is simplified and reliable in structure, safe and convenient to use and low in continuous manufacturing cost.
Description
Technical field
The present invention relates to a kind of securing member processing unit (plant) of automobile, what particularly a kind of automobile nut cold headers use opens jaw mechanism automatically.
Background technology
Along with the development of science and technology, the progress of technology, automobile product make rapid progress, for people's everyday life almost must become indispensable articles for use, automobile component part, connector and securing member be jointly used for ensure vehicle travel security and comfortableness.The cold-heading method processing securing member of prior art, shaped piece are the processing methods that a kind of overall economic efficiency is very high, are the processing methods that Investment in fastener industry generally adopts, and are also a kind of processing methods widely utilizing both at home and abroad, have very much the advanced person of development.Along with consumer promotes the requirement of vehicle product quality, also fastener products is had higher requirement, and auto parts and components are key areas that Domestic Automotive Industry participates in globalization.The cold heading technique of flange type securing member is nowadays very ripe, usually adopts the shaping high request meeting client of multistation.But nut class cold headers numerous at present all adopt the mode holding parts maximum outside diameter of elasticity clamp, when next work step have larger shaping time, larger drift will be interfered with elasticity clamp, clamp forming part cannot be passed through, cause clamp and the direct breakage of drift or portioned product cannot be processed by header system, cause cost-effective rate low.In the face of this problem, often adopt circulation manufacture technique, adopt the mode of colding pressing to solve, overall economic efficiency is not high, is unfavorable for realizing continuous and automatic operation in enormous quantities.So, the cold-heading method of prior art have device easily damaged, can not the low problem of Continuous maching cost-effective rate.
Summary of the invention
For above-mentioned defect, the object of this invention is to provide a kind of structure simple, easy to use safer, and be applicable to automobile nut cold headers use automatically open jaw mechanism, to solve the problem of prior art.
For achieving the above object, present invention employs following technical scheme:
A kind of cold headers open jaw mechanism automatically, comprise an operating shaft portion, a pedestal portion and a material receiving mechanism, described operating shaft portion comprises running axis body, clamp piece fixed-wing and clamp, one end of described running axis body is that column is connected with cold headers, the other end is upper backup plate parallel to each other and lower backup plate, the length of described upper backup plate is less than the length of described lower backup plate, backup plate offers left backup plate through hole and right backup plate through hole on described;
Described clamp piece fixed-wing comprises left pliers plate fixed-wing and right pliers plate fixed-wing; Described left pliers plate fixed-wing is a lamellar body, and one end of described left pliers plate fixed-wing offers left fixed-wing through hole, and the other end arranges a left tilted surface projection; Described right pliers plate fixed-wing is a lamellar body, and one end of described right pliers plate fixed-wing offers right fixed-wing through hole, and the position of the corresponding left tilted surface projection of the other end arranges a right tilted surface projection; Described left pliers plate fixed-wing is connected with upper backup plate with steady pin by left fixed-wing through hole, left backup plate through hole; Described right pliers plate fixed-wing is connected with upper backup plate with steady pin by right fixed-wing through hole, right backup plate through hole; In addition, left pliers plate fixed-wing and position corresponding to right pliers plate fixed-wing offer adjustment hole and spring eye;
Described clamp comprises left pliers plate and right pliers plate, and described left pliers plate is a lamellar body, and one end of described left pliers plate is connected with described left pliers plate fixed-wing, and the other end is circular arc; Described right pliers plate is a lamellar body, and one end of described right pliers plate is connected with described right pliers plate fixed-wing, and the other end is circular arc; The circular arc of described left pliers plate and the circular arc correspondence of right pliers plate.
Automatically open jaw mechanism according to the cold headers described in present pre-ferred embodiments, described pedestal portion comprises drift pedestal, opens pincers striker and striker stator,
Described drift pedestal comprises drift connecting portion and splicing connecting portion,
It is described that to drive pincers striker be a lamellar body, described in drive pincers striker be circular arc towards the one end in described operating shaft portion, described in drive pincers striker and be connected by the drift connecting portion of described striker stator with described drift pedestal.
Automatically open jaw mechanism according to the cold headers described in present pre-ferred embodiments, described material receiving mechanism comprise the punching of formpiston light, formpiston rushes core, rush the stable cover of core, two splicing pins and adjustment tail pad,
Described formpiston light punching is the block being provided with through hole in the middle of;
It is a cylinder that described formpiston rushes core, and one end is provided with step;
Describedly rush core to stablize cover be the block being provided with ladder hole in the middle of;
The splicing connecting portion of described drift pedestal is a hollow cylinder, stepped hole is provided with in hollow cylinder, described stepped hole connects the punching of described formpiston light towards the one end in described operating shaft portion, in addition one end sequentially connect rush the stable cover of core, formpiston rushes core, two splicing pins and adjustment tail pad, assembling brute spring in the middle of two splicing pins; Described formpiston rushes core and rushes the stable cover of core, described stepped hole and the punching of described formpiston light through described
Owing to have employed above technical characteristic, the present invention is made to have following advantage and good effect compared to prior art:
The first, the present invention is in cold-heading process, clamp can be made to open in advance, avoid formpiston and directly contact with clamp, makes employing large gauge or prefastening formpiston become feasible;
The second, the present invention is in cold-heading process, can design and use large gauge formpiston, improves and rushes bar type formpiston service life;
Three, the present invention possesses splicing function in advance, and cold-heading stability is significantly promoted, and homogeneity of product and quality stability significantly improve;
Four, the present invention is simple and reliable for structure, easy for installation, and Continuous maching cost is low.
Certainly, implement any one specific embodiment of content of the present invention, above whole technique effect might not be had simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is operating shaft portion front elevational schematic;
Fig. 3 is running axis body schematic three dimensional views;
Fig. 4 is clamp piece fixed-wing schematic three dimensional views;
Fig. 5 is clamp schematic diagram;
Fig. 6 is for opening pincers striker schematic three dimensional views;
Fig. 7 is striker stator schematic three dimensional views;
Fig. 8 is drift pedestal schematic three dimensional views;
Fig. 9 is adjustment tail pad schematic three dimensional views;
Figure 10 is splicing pin schematic three dimensional views;
Figure 11 is for rushing core stable cover schematic three dimensional views;
Figure 12 is that formpiston light rushes schematic three dimensional views;
Figure 13 is that formpiston rushes core schematic three dimensional views.
Detailed description of the invention
Under the technical scheme that summary of the invention illustrates, for ease of understanding, below in conjunction with accompanying drawing, several preferred embodiment of the present invention is described in detail, but the present invention is not restricted to these embodiments.The present invention contain any make on marrow of the present invention and scope substitute, amendment, equivalent method and scheme.To have the present invention to make the public and understand thoroughly, in the following preferred embodiment of the present invention, describe concrete details in detail, and do not have the description of these details also can understand the present invention completely for a person skilled in the art.In addition, in order to avoid causing unnecessary obscuring to essence of the present invention, well-known method, process, flow process, element etc. are not described in detail.
Below in conjunction with accompanying drawing, illustrate the application;
Please refer to Fig. 1 structural representation of the present invention and Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of cold headers open jaw mechanism automatically, comprise an operating shaft portion 10, one pedestal portion 30 and a material receiving mechanism 50, described operating shaft portion 10 comprises running axis body 11, clamp piece fixed-wing 12 and clamp 13, wherein, one end of running axis body 11 is that a column passes through axle sleeve, gear is connected with cold-heading board and transmission, the other end of running axis body 11 is upper backup plate 111 parallel to each other and lower backup plate 112, the length of upper backup plate 111 is less than the length of described lower backup plate 112, be used for dodging pedestal portion 30, and on upper backup plate 111, offer left backup plate through hole 113 and right backup plate through hole 114.
And clamp piece fixed-wing 12 comprises left pliers plate fixed-wing 121 and right pliers plate fixed-wing 122; Described left pliers plate fixed-wing 121 is a lamellar body, and one end of described left pliers plate fixed-wing 121 offers left fixed-wing through hole 1211, and the other end arranges a left tilted surface projection 1212; Described right pliers plate fixed-wing 122 is a lamellar body, and one end of described right pliers plate fixed-wing 122 offers right fixed-wing through hole 1221, and the position of the corresponding left tilted surface projection 1212 of the other end arranges a right tilted surface projection 1222; Described left pliers plate fixed-wing 121 is connected with upper backup plate 111 with steady pin by left fixed-wing through hole 1211, left backup plate through hole 113; Described right pliers plate fixed-wing 122 is connected with upper backup plate 111 with steady pin by right fixed-wing through hole 1221, right backup plate through hole 114; Can anti-looseness cover plate be assembled above after connection, effectively prevent steady pin from coming off, increase stability.
In addition, the position of left pliers plate fixed-wing 121 and right pliers plate fixed-wing 122 correspondence offers adjustment hole 123 and spring eye 124; In adjustment hole 123, assemble set screw in order to adjust initial gripping angle, and spring is set in spring eye 124 for playback.
In addition, clamp 13 comprises left pliers plate 131 and right pliers plate 132, and described left pliers plate 131 is a lamellar body, and one end of described left pliers plate 131 is connected with described left pliers plate fixed-wing 121, and the other end is circular arc; Described right pliers plate 132 is a lamellar body, and one end of described right pliers plate 132 is connected with described right pliers plate fixed-wing 122, and the other end is circular arc; The circular arc of described left pliers plate 131 and the circular arc correspondence of right pliers plate 132, after assembling, two circular arcs form the form of encircling, and are used for clamping workpiece.
Then please refer to Fig. 1, Fig. 6, Fig. 7 and Fig. 8, pedestal portion 30 comprises drift pedestal 31, open pincers striker 32 and striker stator 33, wherein, drift pedestal 31 comprises drift connecting portion 311 and splicing connecting portion 312, described open pincers striker 32 be a lamellar body, described pincers striker 32 of opening is circular arc towards the one end in described operating shaft portion 10, the object being designed to circular arc to be strutted by clamp piece fixed-wing 12 smoothly, so driving pincers striker 32 also can be a cylinder or cone, method of attachment be use hexagon socket head cap screw by open pincers striker 32 and striker stator 33 lock pay be fixed on the drift connecting portion 311 of drift pedestal 31, and drift pedestal 31 is arranged in the formpiston cavity on the formpiston frame of cold headers, rotation with machine spindle advances master slider to move reciprocatingly, drive and open the rhythmical inclined-plane projection strutted on clamp piece fixed-wing 12 of pincers striker 32.
Then please refer to Fig. 1, Fig. 9, Figure 10, Figure 11, Figure 12 and Figure 13, described material receiving mechanism 50 comprises formpiston light punching 51, formpiston rushes core 52, rush core stablizes cover 53, two splicing pins 54 and adjustment tail pad 55, and described formpiston light punching 51 is the block being provided with through hole in the middle of;
It is a cylinder that described formpiston rushes core 52, and one end is provided with step;
Describedly rush core to stablize cover 53 be the block being provided with ladder hole in the middle of;
The splicing connecting portion 312 of described drift pedestal 31 is a hollow cylinder, stepped hole 313 is provided with in hollow cylinder, described stepped hole 313 connects described formpiston light punching 51 towards the one end in described operating shaft portion 10, one end sequentially connects and rushes that cover 53 stablized by core, formpiston rushes core 52, two splicing pins 54 and adjustment tail pad 55, assembling brute springs in the middle of two splicing pins 54 in addition; Described formpiston rushes core 52 and stablizes cover 53, described stepped hole 313 and described formpiston light punching 51 through the described core that rushes; in a free state; due to the effect of spring force; keep formpiston to rush core 52 and be in formpiston mechanism all the time foremost; make formpiston rush core 52 in motion process to contact with product at first, and under the elastic force of Compress Spring, withstand product and jaw along clamp 13 puts former under; when after secondary release, drive pincers striker 32 and contact with clamp piece fixed-wing 12 and drive pincers.Avoid clamp 13 directly to rush 51 with formpiston light and contact, improve security, because of formpiston light rush that the external diameter of 51 can design larger, service life also obviously promotes.Above, adopt spring distortion, make formpiston rush core 52 keep lean out formpiston light punching 51 ability, again can be stable in stressed forming process be returned to shaping position, can be implemented in slide block advance process and arrive tong chops in advance, pusher enters the effect of mould.
The design concept of the application namely, in the upper backup plate 111 that clamp piece fixed-wing 12 is connected to operating shaft portion 10 by steady pin and lower backup plate 112, clamp piece fixed-wing 12 only has along the plane turn free degree centered by steady pin, and outside 32 °, maximum folding angle, inside permission negative angle 5 °, assemble set screw in order to adjust initial gripping angle by the prefabricated adjustment hole in the side of clamp piece fixed-wing 12 123, pincers slice is fixed on clamp piece fixed-wing 12 by screw simultaneously; During work, first rush core 52 with formpiston workpiece is in place, then directly over clamp piece fixed-wing 12 tapered ramp projection opened pincers striker 32 clash into after outwards open along fixed pin shaft, then formpiston light punching 51 is processed by clamp 13 workpiece opened smoothly, realize punch forming, machine, open clamp piece fixed-wing 12 when pincers striker 32 is return and rely on the spring playback arranged in spring eye 124, execution.
What the nut cold headers of the application used opens jaw mechanism automatically, solving the medium-and-large-sized drift of securing member process cannot through an equipment inherent technology difficult problem for clamp 13, also a safe practice difficult problem for the shaping stressed large explosion of securing member process Plays drift is solved, thus reduction production cost, ensure the technical requirement of client, improve houses market competitiveness.
In sum, owing to have employed above technical characteristic, the present invention is made to have following advantage and good effect compared to prior art:
The first, the present invention is in cold-heading process, clamp can be made to open in advance, avoid formpiston and directly contact with clamp, makes employing large gauge or prefastening formpiston become feasible;
The second, the present invention is in cold-heading process, can design and use large gauge formpiston, improves and rushes bar type formpiston service life;
Three, the present invention possesses splicing function in advance, and cold-heading stability is significantly promoted, and homogeneity of product and quality stability significantly improve;
Four, the present invention is simple and reliable for structure, easy for installation, and Continuous maching cost is low.
Invention preferred embodiment just sets forth the present invention for helping.Preferred embodiment does not have all details of detailed descriptionthe, does not limit the detailed description of the invention that this invention is only described yet.Obviously, according to the content of this description, can make many modifications and variations.This description is chosen and is specifically described these embodiments, is to explain principle of the present invention and practical application better, thus makes art technical staff can utilize the present invention well.The present invention is only subject to the restriction of claims and four corner and equivalent.It is only preferred embodiment of the present invention above; but be not used for limiting itself; anyly have the knack of those skilled in the art when without prejudice to spiritual connotation of the present invention, the equalization change done and changing, all should drop in protection scope of the present invention.
Claims (3)
1. cold headers leave a jaw mechanism automatically, comprise an operating shaft portion, a pedestal portion and a material receiving mechanism, it is characterized in that: described operating shaft portion comprises running axis body, clamp piece fixed-wing and clamp,
One end of described running axis body is that column is connected with cold headers, and the other end is upper backup plate parallel to each other and lower backup plate, and the length of described upper backup plate is less than the length of described lower backup plate, backup plate offers left backup plate through hole and right backup plate through hole on described;
Described clamp piece fixed-wing comprises left pliers plate fixed-wing and right pliers plate fixed-wing; Described left pliers plate fixed-wing is a lamellar body, and one end of described left pliers plate fixed-wing offers left fixed-wing through hole, and the other end arranges a left tilted surface projection; Described right pliers plate fixed-wing is a lamellar body, and one end of described right pliers plate fixed-wing offers right fixed-wing through hole, and the position of the corresponding left tilted surface projection of the other end arranges a right tilted surface projection; Described left pliers plate fixed-wing is connected with upper backup plate with steady pin by left fixed-wing through hole, left backup plate through hole; Described right pliers plate fixed-wing is connected with upper backup plate with steady pin by right fixed-wing through hole, right backup plate through hole; In addition, left pliers plate fixed-wing and position corresponding to right pliers plate fixed-wing offer adjustment hole and spring eye;
Described clamp comprises left pliers plate and right pliers plate, and described left pliers plate is a lamellar body, and one end of described left pliers plate is connected with described left pliers plate fixed-wing, and the other end is circular arc; Described right pliers plate is a lamellar body, and one end of described right pliers plate is connected with described right pliers plate fixed-wing, and the other end is circular arc; The circular arc of described left pliers plate and the circular arc correspondence of right pliers plate.
2. the cold headers as described in claim l open jaw mechanism automatically, it is characterized in that: described pedestal portion comprises drift pedestal, open pincers striker and striker stator,
Described drift pedestal comprises drift connecting portion and splicing connecting portion,
It is described that to drive pincers striker be a lamellar body, described in drive pincers striker be circular arc towards the one end in described operating shaft portion, described in drive pincers striker and be connected by the drift connecting portion of described striker stator with described drift pedestal.
3. cold headers as claimed in claim 2 open jaw mechanism automatically, it is characterized in that: described material receiving mechanism comprises the punching of formpiston light, formpiston rushes core, rush core stablizes cover, two splicing pins and adjustment tail pad,
Described formpiston light punching is the block being provided with through hole in the middle of;
It is a cylinder that described formpiston rushes core, and one end is provided with step;
Describedly rush core to stablize cover be the block being provided with ladder hole in the middle of;
The splicing connecting portion of described drift pedestal is a hollow cylinder, stepped hole is provided with in hollow cylinder, described stepped hole connects the punching of described formpiston light towards the one end in described operating shaft portion, in addition one end sequentially connect rush the stable cover of core, formpiston rushes core, two splicing pins and adjustment tail pad, assembling brute spring in the middle of two splicing pins; Described formpiston rushes core and rushes the stable cover of core, described stepped hole and the punching of described formpiston light through described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310379644.1A CN103433417B (en) | 2013-08-28 | 2013-08-28 | Automatic clamp opening mechanism of cold header |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310379644.1A CN103433417B (en) | 2013-08-28 | 2013-08-28 | Automatic clamp opening mechanism of cold header |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103433417A CN103433417A (en) | 2013-12-11 |
| CN103433417B true CN103433417B (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310379644.1A Active CN103433417B (en) | 2013-08-28 | 2013-08-28 | Automatic clamp opening mechanism of cold header |
Country Status (1)
| Country | Link |
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| CN (1) | CN103433417B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941408A (en) * | 2018-08-30 | 2018-12-07 | 安徽阳天机械工业有限公司 | A kind of Multistation cold upsetting formation machine with turn over function |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3320398C2 (en) * | 1983-06-06 | 1986-12-18 | Moskovskie otdely special'nogo konstruktorsko-technologičeskogo bjuro po izoljatoram i armature, Moskau/Moskva | Device for upsetting rod-shaped workpieces on both sides |
| BE902755A (en) * | 1984-06-29 | 1985-10-16 | Nat Machinery Co | TRANSFER DEVICE FOR FORMING MACHINE AND FORMING MACHINE EQUIPPED WITH SUCH DEVICE. |
| TW419404B (en) * | 1999-04-27 | 2001-01-21 | Fwu Kuang Entpr Co Ltd | General-purpose clamping device of a forging product forming machine |
| CN2500410Y (en) * | 2001-08-17 | 2002-07-17 | 金谙工业股份有限公司 | Clamp for pinch apparatus of forging part former |
| CN1244419C (en) * | 2004-01-05 | 2006-03-08 | 彩虹集团电子股份有限公司 | Pin cold heading shaping mould and its shaping method |
| CN201455177U (en) * | 2009-06-29 | 2010-05-12 | 浙江天马轴承股份有限公司 | Cold header feeding mechanism |
| CN202639189U (en) * | 2012-05-09 | 2013-01-02 | 黄石锻压华曜机械设备有限公司 | Multi-station rotary blank clamp for cold heading machine |
| CN203448596U (en) * | 2013-08-28 | 2014-02-26 | 浙江长华汽车零部件有限公司 | Automatic clamp opening mechanism for cold header |
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2013
- 2013-08-28 CN CN201310379644.1A patent/CN103433417B/en active Active
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| CN103433417A (en) | 2013-12-11 |
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Address after: 315324 Zhouxiang Town Industrial Park, Cixi City, Ningbo, Zhejiang Patentee after: ZHEJIANG CHANGHUA AUTO PARTS Co.,Ltd. Address before: 315324 Zhouxiang Town Industrial Park, Cixi City, Ningbo, Zhejiang Patentee before: ZHEJIANG CHANGHUA AUTO PARTS Co.,Ltd. |
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Address after: 315324 Zhouxiang Town Industrial Park, Cixi City, Ningbo, Zhejiang Patentee after: Changhua Holding Group Co.,Ltd. Address before: 315324 Zhouxiang Town Industrial Park, Cixi City, Ningbo, Zhejiang Patentee before: ZHEJIANG CHANGHUA AUTO PARTS Co.,Ltd. |