CN204308130U - The connecting bolt cold upsetting die of car of ignition switch - Google Patents
The connecting bolt cold upsetting die of car of ignition switch Download PDFInfo
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- CN204308130U CN204308130U CN201420232381.1U CN201420232381U CN204308130U CN 204308130 U CN204308130 U CN 204308130U CN 201420232381 U CN201420232381 U CN 201420232381U CN 204308130 U CN204308130 U CN 204308130U
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Abstract
The utility model is applicable to Machining Technology field, provides a kind of connecting bolt cold upsetting die of car of ignition switch, comprising: four groups of formpistons, comprises first, second, third, fourth station formpiston; Four groups of formers, comprise first, second, third, fourth station former; Described four groups of formpistons and four groups of formers are fixed on cold headers, and by the manipulator of described cold headers, described material base is displaced between described four groups of formpistons and four groups of formers, to described material base carry out successively described connecting bolt head and bar portion first upsetting, first time preformed, second time preformed and whole upsetting processing.Whereby, the utility model solves product quality problem and reduces production cost.
Description
Technical field
The utility model relates to field of machining, particularly relates to a kind of connecting bolt cold upsetting die of car of ignition switch.
Background technology
Along with the development of science and technology, automobile and people work, the relation of living is day by day close, and the work of engine of automobile be unable to do without efficient, stable, connecting bolt reliably.For making bolt reliablely and stablely work in the production ambient stress of large amount of complex, bolt in process, is needed not come off.
Because connecting bolt material is special, product structure is complicated, required precision is higher, environment for use is severe, existing manufacturing process mainly relies on machining center (turning) to ensure its product quality, machining center equipment price is expensive, import equipment is about RMB100 ten thousand, working (machining) efficiency low (about 3min/PCS), simultaneously because of machining, produces more waste material, therefore its metal streamline is also destroyed, and product fatigue strength is far below forging converted products.
In summary, in actual use, obviously there is inconvenience and defect, so be necessary to be improved in prior art.
Summary of the invention
For above-mentioned defect, the purpose of this utility model is to provide a kind of automobile ignition switch connecting bolt cold upsetting die of car, object is to utilize cold heading methodologies to improve the intensity of connecting bolt, reduce cost of goods manufactured, improve the contact stabilization of connecting bolt in the process of Long-Time Service ignition switch and contact.
The utility model provides a kind of connecting bolt cold upsetting die of car of ignition switch, comprising:
Four groups of formpistons, comprise first, second, third, fourth station formpiston;
Four groups of formers, comprise first, second, third, fourth station former;
Described four groups of formpistons and four groups of formers are fixed on cold headers, and by the manipulator of described cold headers, described material base is displaced between described four groups of formpistons and four groups of formers, to described material base carry out successively described connecting bolt head and bar portion first upsetting, first time preformed, second time preformed and whole upsetting processing.
According to cold upsetting die of car described in the utility model, described first station formpiston comprises:
First formpiston cover, is fixed on described cold headers; A cushion block is provided with in described first formpiston cover;
First pre-die center, is arranged in described first formpiston cover.
Described first station former comprises:
First former cover, is fixed on described cold headers;
First former, is arranged in described first former cover, its axial line is provided with the first cavity impression;
First former push rod, is arranged in described first cavity impression, and with the described first pre-die center on same axial line;
First locking device, by described first former cover locking on described cold headers.
According to cold upsetting die of car described in the utility model, the formpiston of described second station comprises:
Second formpiston cover, is fixed on described cold headers; A cushion block is provided with in described second formpiston cover;
Second pre-punch die, be arranged in described second formpiston cover, the described second pre-punch die arranges a cavity, and the medial surface of described cavity is arc surface, and described second formpiston cover has been provided with the second pre-die center;
Described second station former comprises:
Second former cover, is fixed on described cold headers;
Second former, is arranged in described second former cover, its axial line is provided with the second cavity impression;
Second former push rod, is arranged in described second cavity impression, and with the described second pre-punch die on same axial line;
First locking device, by described second former cover locking on described cold headers.
According to cold upsetting die of car described in the utility model, described second station formpiston adopts fabricated structure, and be fixed on cold headers by formpiston cover, wherein the second pre-die center and the second formpiston overlap matched in clearance; And/or
Overlap medial surface at the same central axis of positive and negative mould with described second formpiston and become angle, side rounding 3 degree.
According to cold upsetting die of car described in the utility model, described 3rd station formpiston comprises:
3rd formpiston cover, is fixed on described cold headers;
Be arranged at cushion block, the 3rd pre-die center in described 3rd formpiston cover;
Described 3rd pre-die center end is provided with cavity, is provided with boss in described cavity, and the medial surface of described cavity is arc surface;
3rd station former comprises:
3rd former cover, is fixed on described cold headers;
3rd former, is arranged in described 3rd former cover, its axial line is provided with the 3rd cavity impression;
3rd former push rod, is arranged in described 3rd cavity impression, and with the described 3rd pre-die center on same axial line;
First locking device, by described 3rd former cover locking on described cold headers.
According to cold upsetting die of car described in the utility model, the bus of described arc surface and the angle of central axis are 32 degree; And/or
Described 3rd station formpiston and described 3rd station former adopt fabricated structure, are fixed on described cold headers by described 3rd formpiston cover, and the described 3rd pre-die center and described 3rd formpiston overlap matched in clearance.
According to cold upsetting die of car described in the utility model, described 4th station formpiston comprises:
4th formpiston cover, is fixed on described cold headers, and is provided with the half-finished discharging opening of described 4th station cold-heading on the axial line of described 4th formpiston cover, and is provided with the installing hole of set bolt on the side end face of described 4th formpiston cover;
Edger, is arranged in described 4th formpiston cover, and is interconnected and fixed by described set bolt with described 4th formpiston cover;
Described 4th station former comprises:
4th former cover, is fixed on described cold headers;
4th former, is arranged in described 4th former cover, its axial line is provided with the 4th cavity impression;
4th former push rod, is arranged in described 4th cavity impression, and with described edger on same axial line;
First locking device, by described 4th former cover locking on described cold headers.
According to cold upsetting die of car described in the utility model, described first former is made up of Hardmetal materials and hot die steel two parts interference fit, and described first former and the first former overlap matched in clearance;
The circular in cross-section of described first cavity impression, the second cavity impression, the 3rd cavity impression and the 4th cavity impression, and size is determined according to the processing dimension in the bar portion of described connecting bolt.
According to cold upsetting die of car described in the utility model, described first locking device is locking nut.
The utility model connecting bolt cold upsetting die of car, by cold-heading and punching press Combined machining, cost of goods manufactured is low; Slowly, product size precision is easy to ensure, resultant metal streamline is continuous, and fatigue strength also higher than machining part, improves working (machining) efficiency in forging mold wearing and tearing.
Accompanying drawing explanation
Fig. 1 is the flow chart of the connecting bolt cold-heading manufacture method of ignition switch of the present invention;
Fig. 2 is the connecting bolt cold-heading manufacture method blank station material base structural representation of ignition switch of the present invention;
Fig. 3 A is the connecting bolt cold-heading manufacture method first station structure schematic diagram of ignition switch of the present invention;
Fig. 3 B is the second station structure schematic diagram of the connecting bolt of ignition switch of the present invention;
Fig. 3 C is the 3rd station cold-heading semi-finished product schematic diagram of the connecting bolt of ignition switch of the present invention;
Fig. 4 A is the sectional view of the 4th station cold-heading semi-finished product schematic diagram of the connecting bolt of ignition switch of the present invention;
Fig. 4 B is the front view of the 4th station cold-heading semi-finished product schematic diagram of the connecting bolt of ignition switch of the present invention;
Fig. 4 C is the left view of the 4th station cold-heading semi-finished product schematic diagram of the connecting bolt of ignition switch of the present invention;
Fig. 5 is the connecting bolt cold-heading manufacture method finished product schematic diagram of ignition switch of the present invention;
Fig. 6 is the first station cold-heading preformed schematic diagram of the connecting bolt of ignition switch of the present invention;
Fig. 7 is the second station cold-heading preformed schematic diagram of the connecting bolt of ignition switch of the present invention;
Fig. 8 A is the 3rd station cold-heading preformed schematic diagram of the connecting bolt of ignition switch of the present invention;
Fig. 8 B is one of the 3rd pre-punch die schematic perspective view of the connecting bolt of ignition switch of the present invention;
Fig. 8 C is the 3rd pre-punch die schematic perspective view two of the connecting bolt of ignition switch of the present invention;
Fig. 8 D is the 3rd pre-punch die enlarged diagram of the connecting bolt of ignition switch of the present invention;
Fig. 9 is the whole upsetting schematic diagram of the 4th station cold-heading of the connecting bolt of ignition switch of the present invention;
Figure 10 is the thread rolling station schematic diagram of the present invention's preferred connecting bolt cold-heading manufacture method.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In conjunction with diagram 1 to Figure 10, the invention discloses a kind of connecting bolt cold-heading manufacture method of automobile ignition switch, the head cold-heading of connecting bolt is processed into the structure of circular arc, improve connecting bolt anti-fatigue ability, improve stability.
For obtaining the connecting bolt 100 shown in Fig. 5, the connecting bolt cold-heading manufacture method of a kind of automobile ignition switch provided by the invention, flow process as shown in Figure 1, implementation step comprises:
Step S101, wire diameter and the trade mark used needed for processing connecting bolt reality, cut out the material of predetermined length;
Step S102, the semi-finished product of connecting bolt described in cold-heading are to form head, the arc surface 102 of described head, recess 103 and bar portion 105;
Step S103, the half-finished bar portion 105 extruding described connecting bolt 100, to form screw thread 107, obtains described connecting bolt 100 finished product.
Core concept of the present invention is, main with the machine-shaping of cold-heading method, wherein thread rolling operation: shaping to connecting bolt half-finished bar portion 105 thread-rolling screw.Thread rolling operation is generally carried out in reciprocating thread rolling machine, and mould therefor is screw plate 1, screw plate 2, a piece is fixed, one piece of activity, and as shown in Figure 10, movable screw plate 1 is more longer than fixing screw plate 2.The aspectant installation of working face of two pieces of screw plates, movable screw plate 1 often does once stroke forward under external force, as shown in Figure 10, at a part, namely thread billet dia to squeeze out screw thread.After thread rolling operation, surface treatment procedure: the surface anticorrosive performance and the appearance requirement that meet product; Total inspection and packaging process: according to fabrication evaluation connecting bolt size, qualified rear packaging, delivery.
This kind of outer-hexagonal connecting bolt except outer-hexagonal part, employing be without cut cold extrusion shaped.Therefore when carrying out technological design, in conjunction with outer-hexagonal waste material consumption situation, first product materials is calculated accurately, then determine the diameter of Product Process material requested, and calculate volume and the head materials length of head materials.Again according to key elements such as the structures of product, the deflection of each station of connecting shaping station number reasonable distribution, determines the technological parameter of each station die cavity, finally determines the cavity dimension of each station die according to technological parameter.
Wherein in material preparatory process, need a station, blank station: material sends into blanking die through drawing-inroller, after being cut off by blanking die, cut material is sent to the first station by manipulator.The volume cutting off material is consistent with the volume of material requested.
After obtaining the material of predetermined, utilize cold-heading technology to process material base, be totally divided into head shaping (comprising the shaping of circular arc) and the preformed of bar portion, in an embodiment of described method of the present utility model, the mould used in cold-heading operation comprises:
Four groups of formpistons, comprise first, second, third, fourth station formpiston;
Four groups of formers, comprise first, second, third, fourth station former;
Described four groups of formpistons and four groups of formers are fixed on cold headers, and by the manipulator of described cold headers, described material base is displaced between described four groups of formpistons and four groups of formers, to described material base carry out successively described connecting bolt head and bar portion 105 first upsetting, first time preformed, second time preformed and whole upsetting processing.
As shown in Figure 6, described first station formpiston comprises:
First formpiston cover 11, is fixed on described cold headers; A cushion block 12 is provided with in described first formpiston cover 11;
First pre-die center 13, is arranged in described first formpiston cover 11;
Described first station former comprises:
First former cover 55, is fixed on described cold headers;
First former 54, is arranged in described first former cover 55, its axial line is provided with the first cavity impression 541;
First former push rod 57, is arranged in described first cavity impression 541, and with the described first pre-die center 13 on same axial line;
First locking device 58, being locked on described cold headers by described first former cover 55, when specifically implementing, can be tightening nut.
Material base is delivered to the former mouth of described first former 54 by described manipulator, first pre-die center 13 pushes the first station former 54 described material base, under the punching press of the described first pre-die center 13, described material base carries out total closed type forward extrusion in described first former 54, and upsetting is to predetermined process.
The described first pre-die center 13 is driven to move to described first former 54 direction by described cushion block 12, described material base is under the described first pre-die center 13 acts on, head in described first cavity impression 541, described first pre-die center 13 contacts with the first former 54, first pre-die center 13 move forward First Point time, described first former push rod 57 is linearly moved to precalculated position to die joint direction, described material base Extrusion Forging Deformation obtains the first station cold-heading semi-finished product 56, structure as shown in Figure 3A, completes the preformed in described bar portion.
Described first station formpiston adopts movable composition formula structure, be fixed on cold headers by the first formpiston cover 11, described first station former adopts prestressing combination cover mode structure, formed by Hardmetal materials G50 and hot die steel H13 interference fit, first former 54 overlaps 55 with the first former of locking type and adopts matched in clearance, and gap width is about 0.02mm.
As shown in Figure 6, wherein the first station formpiston 11 is fixed on cold headers by the first formpiston cover, the first former 54 overlap 55 by the first locking device 58 with the first former together with lock, be fixed on cold headers motionless together.
Described first station is just upsetting, when manipulator or clamp are sent to the material base that blank station cuts in the former mouth of the first station, the pre-die center 13 of first station pushes the first station former 54 the material base cut, under the effect of cold-heading power, material carries out total closed type forward extrusion in the first former 54, through the distortion of this station, material is upsetting extremely predetermined process, the i.e. pre-profiling in connecting bolt bar portion in the first former 54.
As shown in Figure 7, described second station formpiston comprises:
Second formpiston cover 21, is fixed on described cold headers; A cushion block 22 is provided with in described second formpiston cover 21;
Second pre-punch die 24, be arranged in described second formpiston cover 21, the second pre-punch die 24 arranges a cavity, and the medial surface of described cavity is arc surface, and described second formpiston cover 21 is provided with the second pre-die center 23;
Described second station former comprises:
Second former cover 65, is fixed on described cold headers;
Second former 64, is arranged in described second former cover 65, its axial line is provided with the second cavity impression 641;
Second former push rod, is arranged in described second cavity impression 641, and with the described second pre-die center 63 on same axial line;
First locking device 58, is locked on described cold headers by described second former cover 65;
When carrying out first time preformed to described first station cold-heading semi-finished product 56, first station cold-heading semi-finished product 56 described in described second station formpiston middle open type Compound Extrusion complete just upsetting, bar portion adopts forward extrusion, make described bar portion jumping-up to predetermined process, described first station cold-heading semi-finished product 56 are delivered to the die orifice of described second former 64 by described manipulator by the die orifice of described first former 54, described cold headers master slider drives the described second pre-die center 23 to move to described second former 64 direction, under the effect of the described second pre-die center 23, the part of described first station cold-heading semi-finished product 56 enters the die orifice of described second former 64, described master slider move forward First Point time, described first station cold-heading semi-finished product 56 Extrusion Forging Deformation, complete the second station cold-heading semi-finished product 66, structure as shown in Figure 3 B.
Described second station formpiston adopts fabricated structure, and be fixed on cold headers by the second formpiston cover 21, wherein the second pre-die center 23 and the second formpiston overlap 21 matched in clearance; And/or
Overlap 21 medial surfaces at the same central axis of positive and negative mould with described second formpiston and become angle, side rounding 3 degree.
Second station is preformed, and material adopts open type Compound Extrusion to complete the first upsetting of product head in the second station formpiston, makes the geomery of head meet the requirement of technological design, for the final molding of next station circular arc is ready.Described bar portion adopts forward extrusion, makes described bar portion jumping-up to predetermined process.
As shown in Fig. 8 A ~ 8D, described 3rd station formpiston comprises:
3rd formpiston cover 31, is fixed on described cold headers;
Be arranged at cushion block 32, the 3rd pre-die center 33, the 3rd pre-punch die 34 in the 3rd formpiston cover 31;
3rd pre-punch die 34 end is provided with cavity 341, is provided with boss 342 in described cavity 341, and the medial surface of described cavity 341 is arc surface;
3rd station former comprises:
3rd former cover 75, is fixed on described cold headers;
3rd former 74, is arranged in described 3rd former cover 75, its axial line is provided with the 3rd cavity impression 741;
3rd former push rod 77, is arranged in described 3rd cavity impression 741, and with the described 3rd pre-die center 33 on same axial line;
First locking device 58, is locked on described cold headers by described 3rd former cover 75;
Second station cold-heading semi-finished product are delivered to the die orifice of the 3rd former 74 by manipulator by the die orifice of the second former 64, cold headers master slider drives the 3rd pre-die center 33 to move to former direction by cushion block 32, under the effect of described 3rd station formpiston, the described material base of part enters the former mouth of described 3rd former 74, described material base two ends have been fixed on the 3rd station sun, the same central axis of former, described manipulator opens abdicates space, the described master slider of described cold headers is still travelling forward, when moving to First Point, described master slider drives described 3rd former push rod 77 to be linearly moved to the 3rd precalculated position to die joint direction, described second station cold-heading semi-finished product 66 are under larger axial normal pressure and radial tension effect, form the 3rd station cold-heading semi-finished product 76, obtain the arc surface 761 of described head, head side 762, as shown in Figure 3 C.
The bus of the described arc surface of described cavity and the angle of described central axis are 32 degree, as shown in Figure 7, described 3rd station formpiston and described 3rd station former adopt fabricated structure, be fixed on described cold headers by described 3rd formpiston cover 33, the described 3rd pre-die center and described 3rd formpiston overlap matched in clearance.
3rd station belongs to preformed, is the crucial station of product head circular arc molding, and be also the final station of product head circular arc molding, manipulator is sent to the 3rd station the second work station product produced by technological requirement.By this station, described material base adopts open type Compound Extrusion to complete the final cold-forge forming of circular arc in described 3rd station formpiston, make the geomery of head arc surface 761 meet the requirement of technological design (i.e. customer drawings), be also that the head outer-hexagonal of the 4th station is die-cut ready simultaneously.Structure as shown in Fig. 4 A ~ Fig. 5, forward extrusion must be adopted to bar portion 105, make bar portion 105 jumping-up to the size of final technological requirement, namely bar portion size reaches the base footpath before screw thread thread rolling, the rolling system that thread rolling station completes screw thread is sent to after other operations complete, so far, before head circular arc portion and the thread rolling of bar portion, the upsetting process of blank all completes.
As shown in Figure 9, described 4th station formpiston comprises:
4th formpiston cover 41, be fixed on described cold headers, and on the axial line of described 4th formpiston cover 41, be provided with the discharging opening 411 of described 4th station cold-heading semi-finished product 86, and be provided with the installing hole of set bolt 43 on the side end face of described 4th formpiston cover 41;
Edger 42, is arranged in the 4th formpiston cover 41, and overlaps 41 with described 4th formpiston and be interconnected and fixed by described set bolt 43;
Described 4th station former comprises:
4th former cover 85, is fixed on described cold headers;
4th former 84, is arranged in described 4th former cover 85, its axial line is provided with the 4th cavity impression 841;
4th former push rod 87, is arranged in described 4th cavity impression 841, and with described edger 42 on same axial line;
First locking device 58, is locked on described cold headers by described 4th former cover 85;
When carrying out whole upsetting to described 3rd station cold-heading semi-finished product 76, described 3rd station cold-heading semi-finished product 76 are delivered to the die orifice of described 4th former 84 by described manipulator by the die orifice of described 3rd former 74, with the 4th station formpiston, the same axis of 4th station former, the master slider of described cold headers drives edger 42 to move to described 4th former 84 direction, under the effect of described 4th station formpiston, described 3rd station cold-heading semi-finished product 76 enter the die orifice of described 4th former 84, described master slider move forward First Point time, the material that outer-hexagonal 102 part of described 3rd station cold-heading semi-finished product 76 is unnecessary is cut by described edger 42, described edger 42 retreats, described 4th station cold-heading semi-finished product 86 are ejected from described discharging opening 411 by described 4th former push rod 87, structure is as shown in Fig. 4 A ~ Fig. 4 C, the connecting bolt 100 shown in Fig. 5 is obtained through processing further, bottom 104, bar portion is shaping.
4th station formpiston adopts fabricated structure, 41 is fixed on cold headers by the 4th formpiston cover, and wherein edger 42 and the 4th formpiston are overlapped 41 and be interconnected and fixed by set bolt 43.The female mould structure form, material selection, fit system etc. of this station are all identical with the first station, are only that cavity impression inside dimension is different.
4th station cold-heading semi-finished product 86 exit under the effect of former push rod ejecting force, fall down unnecessary waste material fall down and enter waste material material road 412 at the waste material that die joint place is unnecessary.4th station cold-heading semi-finished product 86 squeeze out screw thread, surface treatment procedure on thread billet dia: the surface anticorrosive performance and the appearance requirement that meet product, detect qualified rear packaging, delivery.
Described first former 54 is made up of Hardmetal materials and hot die steel two parts interference fit, and described first former 54 and the first former 55 overlap matched in clearance; The circular in cross-section of described first cavity impression 541, second cavity impression 641, the 3rd cavity impression 741 and the 4th cavity impression 841, and size is determined according to the processing dimension in the bar portion 105 of described connecting bolt.
The utility model mainly adopts cold-heading processing to reach product size required precision.Its advantage is: 1, working (machining) efficiency high (main production process cold-heading, production efficiency >=80PCS/min), and cost of goods manufactured is low; 2, slowly (about 250,000/cover), product size precision is easy to ensure in forging mold wearing and tearing; 3, resultant metal streamline is continuous, and fatigue strength is also higher than machining part.
In sum, the utility model bolt cold upsetting die, namely the connecting bolt of the technical program processing is that precision and intensity are higher with adopting compared with the connecting bolt process of prior art, can solve the problems such as special, the expensive and product quality of existing continuous punching machine equipment and mold structure.
Certainly; the utility model also can have other various embodiments; when not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the utility model, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the utility model.
Claims (9)
1. a connecting bolt cold upsetting die of car for ignition switch, is characterized in that, comprising:
Four groups of formpistons, comprise first, second, third, fourth station formpiston;
Four groups of formers, comprise first, second, third, fourth station former;
Described four groups of formpistons and four groups of formers are fixed on cold headers, and by the manipulator of described cold headers, material base is displaced between described four groups of formpistons and four groups of formers, to described material base carry out successively described connecting bolt head and bar portion first upsetting, first time preformed, second time preformed and whole upsetting processing.
2. cold upsetting die of car according to claim 1, is characterized in that, described first station formpiston comprises:
First formpiston cover, is fixed on described cold headers; A cushion block is provided with in described first formpiston cover;
First pre-die center, is arranged in described first formpiston cover;
Described first station former comprises:
First former cover, is fixed on described cold headers;
First former, is arranged in described first former cover, its axial line is provided with the first cavity impression;
First former push rod, is arranged in described first cavity impression, and with the described first pre-die center on same axial line;
First locking device, by described first former cover locking on described cold headers.
3. cold upsetting die of car according to claim 2, is characterized in that,
The formpiston of described second station comprises:
Second formpiston cover, is fixed on described cold headers; A cushion block is provided with in described second formpiston cover;
Second pre-punch die, be arranged in described second formpiston cover, the described second pre-punch die arranges a cavity, and the medial surface of described cavity is arc surface, and described second formpiston cover is provided with the second pre-die center;
Described second station former comprises:
Second former cover, is fixed on described cold headers;
Second former, is arranged in described second former cover, its axial line is provided with the second cavity impression;
Second former push rod, is arranged in described second cavity impression, and with the described second pre-punch die on same axial line;
First locking device, by described second former cover locking on described cold headers;
When carrying out first time preformed to described first station cold-heading semi-finished product, first station cold-heading semi-finished product described in described second station formpiston middle open type Compound Extrusion complete just upsetting, described bar portion adopts forward extrusion, make described bar portion jumping-up to predetermined process, described first station cold-heading semi-finished product are delivered to the die orifice of described second former by described manipulator by the die orifice of described first former, described cold headers master slider drives the described second pre-die center to move to described second former direction, under the effect of the described second pre-die center, the half-finished part of described first station cold-heading enters the die orifice of described second former, described master slider move forward First Point time, described first station cold-heading semi-finished product Extrusion Forging Deformation, complete the second station cold-heading semi-finished product.
4. cold upsetting die of car according to claim 3, is characterized in that, described second station formpiston adopts fabricated structure, and be fixed on cold headers by formpiston cover, wherein the second pre-die center and the second formpiston overlap matched in clearance; And/or
Angle is become, side rounding 3 degree with described second formpiston cover (21) medial surface at the same central axis of positive and negative mould.
5. cold upsetting die of car according to claim 3, is characterized in that,
Described 3rd station formpiston comprises:
3rd formpiston cover, is fixed on described cold headers;
Be arranged at cushion block, the 3rd pre-die center in described 3rd formpiston cover;
Described 3rd pre-die center end is provided with cavity, is provided with boss in described cavity, and the medial surface of described cavity is arc surface;
3rd station former comprises:
3rd former cover, is fixed on described cold headers;
3rd former, is arranged in described 3rd former cover, its axial line is provided with the 3rd cavity impression;
3rd former push rod, is arranged in described 3rd cavity impression, and with the described 3rd pre-die center on same axial line;
First locking device, by described 3rd former cover locking on described cold headers.
6. cold upsetting die of car according to claim 5, is characterized in that,
Described 3rd station formpiston and described 3rd station former adopt fabricated structure, are fixed on described cold headers by described 3rd formpiston cover, and the described 3rd pre-die center and described 3rd formpiston overlap matched in clearance.
7. cold upsetting die of car according to claim 6, is characterized in that, described 4th station formpiston comprises:
4th formpiston cover, is fixed on described cold headers, and is provided with the half-finished discharging opening of described 4th station cold-heading on the axial line of described 4th formpiston cover, and is provided with the installing hole of set bolt on the side end face of described 4th formpiston cover;
Edger, is arranged in described 4th formpiston cover, and is interconnected and fixed by described set bolt with described 4th formpiston cover;
Described 4th station former comprises:
4th former cover, is fixed on described cold headers;
4th former, is arranged in described 4th former cover, its axial line is provided with the 4th cavity impression;
4th former push rod, is arranged in described 4th cavity impression, and with described edger on same axial line;
First locking device, by described 4th former cover locking on described cold headers.
8. cold upsetting die of car according to claim 3, it is characterized in that, described first former is made up of Hardmetal materials and hot die steel two parts interference fit, and described first former and the first former overlap matched in clearance;
The circular in cross-section of described first cavity impression, the second cavity impression, the 3rd cavity impression and the 4th cavity impression, and size is determined according to the processing dimension in the bar portion of described connecting bolt.
9. cold upsetting die of car according to claim 3, it is characterized in that, described first locking device is locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420232381.1U CN204308130U (en) | 2014-05-07 | 2014-05-07 | The connecting bolt cold upsetting die of car of ignition switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420232381.1U CN204308130U (en) | 2014-05-07 | 2014-05-07 | The connecting bolt cold upsetting die of car of ignition switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204308130U true CN204308130U (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420232381.1U Withdrawn - After Issue CN204308130U (en) | 2014-05-07 | 2014-05-07 | The connecting bolt cold upsetting die of car of ignition switch |
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| Country | Link |
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| CN (1) | CN204308130U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117624A (en) * | 2014-05-07 | 2014-10-29 | 深圳航空标准件有限公司 | Cold heading manufacturing method for connection bolt of ignition switch and die |
| CN105964871A (en) * | 2016-06-07 | 2016-09-28 | 四川省泰禾机械有限公司 | Device for upsetting long bolt hexagonal head through stamping device |
| CN107335767A (en) * | 2017-09-04 | 2017-11-10 | 江西洪都航空工业集团有限责任公司 | A kind of cruciform slot screw cold-heading molding processing mold and its processing technology |
| CN107552705A (en) * | 2017-10-11 | 2018-01-09 | 海盐华阳五金有限公司 | A kind of Combined screw mould |
| CN109500347A (en) * | 2018-12-12 | 2019-03-22 | 宾科汽车紧固件（昆山）有限公司 | Electronic parking adjusting nut cold-heading device and its production technology |
| CN112570610A (en) * | 2020-11-16 | 2021-03-30 | 佛山市因信贵金属材料有限公司 | Manufacturing process of feed element |
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2014
- 2014-05-07 CN CN201420232381.1U patent/CN204308130U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117624A (en) * | 2014-05-07 | 2014-10-29 | 深圳航空标准件有限公司 | Cold heading manufacturing method for connection bolt of ignition switch and die |
| CN105964871A (en) * | 2016-06-07 | 2016-09-28 | 四川省泰禾机械有限公司 | Device for upsetting long bolt hexagonal head through stamping device |
| CN105964871B (en) * | 2016-06-07 | 2018-03-30 | 四川省泰禾机械有限公司 | A kind of device using the square toes of pressing equipment pier stay bolt six |
| CN107335767A (en) * | 2017-09-04 | 2017-11-10 | 江西洪都航空工业集团有限责任公司 | A kind of cruciform slot screw cold-heading molding processing mold and its processing technology |
| CN107552705A (en) * | 2017-10-11 | 2018-01-09 | 海盐华阳五金有限公司 | A kind of Combined screw mould |
| CN107552705B (en) * | 2017-10-11 | 2024-02-20 | 湖南亚新金属科技有限公司 | Combined screw die |
| CN109500347A (en) * | 2018-12-12 | 2019-03-22 | 宾科汽车紧固件（昆山）有限公司 | Electronic parking adjusting nut cold-heading device and its production technology |
| CN112570610A (en) * | 2020-11-16 | 2021-03-30 | 佛山市因信贵金属材料有限公司 | Manufacturing process of feed element |
| CN112570610B (en) * | 2020-11-16 | 2021-11-23 | 佛山市因信贵金属材料有限公司 | Manufacturing process of feed element |
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