CN103909206B - A kind of sleeve cold-heading device and cold heading technique thereof - Google Patents
A kind of sleeve cold-heading device and cold heading technique thereof Download PDFInfo
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- CN103909206B CN103909206B CN201210591389.2A CN201210591389A CN103909206B CN 103909206 B CN103909206 B CN 103909206B CN 201210591389 A CN201210591389 A CN 201210591389A CN 103909206 B CN103909206 B CN 103909206B
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Abstract
The present invention relates to a kind of sleeve cold-heading device and cold heading technique thereof, this device comprises feed mechanism, material cutting mechanism, connecting gear and five moulds, and wherein, described feed mechanism is corresponding with the position of material cutting mechanism; Described connecting gear is moving feeding between described feed mechanism and five moulds; For first mould in pre-upsetting bar footpath, for reverse drawing aperture, the second mould of preformed endoporus, for rush iron core the 3rd mould, for restraint bar footpath, bar shaping two ends the 4th mould and for smart upsetting size and the 5th mould of shaping middle ball-type be arranged in order.The present invention utilizes cold-heading technology to complete all sizes, is spherical inside and outside protuberance, without the need to machining processes, saves material, keeps the complete of metal streamline, and add the intensity of part, and improve production efficiency.
Description
Technical field
The present invention relates to technical field of mold, particularly a kind of sleeve cold-heading device of the sleeve on automobile damper and cold heading technique thereof.
Background technology
All can install shock absorber additional between general automobile chassis and tire, to reduce the impact of thump, travel to reduce automobile the injury caused at uneven road surface.The shock absorber of general vehicle, usually need to use the sleeve that a kind of middle part is protuberance, be spherical inside and outside described protuberance, and the production method of this sleeve is: made by steel pipe protuberance be deformed into round shape under the effect of hydraulic press, but the inside of its shaping rear protuberance is irregular indenture, therefore need to adopt machining mode to be emptied, this mode cost is higher, efficiency is lower, production cycle is long, and mechanical performance is difficult to meet international standards.
Therefore, how to provide a kind of and can increase sleeve strength and the sleeve cold-heading device of enhancing productivity and cold heading technique thereof the technical problem that to be those skilled in the art urgently to be resolved hurrily.
Summary of the invention
The invention provides a kind of sleeve cold-heading device and cold heading technique thereof, to solve the problem that prior art middle sleeve production technology production efficiency is low, cost is high.
For solving the problems of the technologies described above, the invention provides a kind of sleeve cold-heading device, comprising feed mechanism, material cutting mechanism, connecting gear and five moulds, wherein,
Described feed mechanism is corresponding with the position of material cutting mechanism;
Described connecting gear is moving feeding between described feed mechanism and five moulds;
For first mould in pre-upsetting bar footpath, for reverse drawing aperture, the second mould of preformed endoporus, for rush iron core the 3rd mould, for restraint bar footpath, bar shaping two ends the 4th mould and for smart upsetting size and the 5th mould of shaping middle ball-type be arranged in order.
Preferably, described five moulds include main mould and punch die, described main mould comprises main formwork, main die, main die-cushion block and main mould thimble, described main formwork is located at the outside of described main die and main mould thimble, master cast chamber is provided with in described main die, described main die-cushion block is fixedly connected with one end of described main mould thimble, and the other end of described main mould thimble penetrates in described master cast chamber; Described punch die comprises punch die cushion block, punch die shell and punch die thimble, described punch die shell is located at outside described punch die thimble, described punch die cushion block is fixedly connected with one end of described punch die thimble, and the other end of described punch die thimble passes described punch die shell, whole punch die mass motion.
Preferably, the main die-cushion block in described first, the 3rd, the 4th mould and main mould thimble move up and down relative to described main formwork under the driving of driving arrangement.
Preferably, described 4th, the 5th mould also comprises die cavity respectively, and position and the shape in described die cavity and the master cast chamber on main mould are corresponding.
Preferably, described five moulds all adopt forward extrusion technique to process.
Preferably, described connecting gear adopts clip.
Preferably, described feed mechanism comprises positive stop and penetrating mechanism, and described material cutting mechanism does rectilinear motion between the position below described positive stop and above described penetrating mechanism, and described penetrating mechanism moves both vertically.
Preferably, the pressure of described five moulds makes power is 430 ~ 450 tons.
Present invention also offers a kind of sleeve cold heading technique, adopt sleeve cold-heading device as above, comprising:
Shear wire rod and feeding;
The bar footpath of the pre-upsetting wire rod of the first mould;
Second mould reverse drawing aperture, preformed endoporus;
3rd mould rushes iron core, makes wire rod become hollow pipe;
4th mold bundle bar formed connected end bar footpath;
The all sizes of 5th mould guard aperture essence upsetting, and shaping middle ball-type.
Compared with prior art, the present invention has the following advantages: sleeve cold-heading device provided by the invention and cold heading technique thereof, this device comprises feed mechanism, material cutting mechanism, connecting gear and five moulds, and wherein, described feed mechanism is corresponding with the position of material cutting mechanism; Described connecting gear is moving feeding between described feed mechanism and five moulds; For first mould in pre-upsetting bar footpath, for reverse drawing aperture, the second mould of preformed endoporus, for rush iron core the 3rd mould, for restraint bar footpath, bar shaping two ends the 4th mould and for smart upsetting size and the 5th mould of shaping middle ball-type be arranged in order.The present invention utilizes cold-heading technology to complete all sizes, is spherical inside and outside protuberance, without the need to machining processes, saves material, keeps the complete of metal streamline, and add the intensity of part, and improve production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the sleeve cold-heading device of the embodiment of the invention;
Fig. 2 is the structural representation of the first mould of the embodiment of the invention;
Fig. 3 is the structural representation of the 4th mould of the embodiment of the invention.
In figure: 100-feed mechanism, 110-positive stop, 120-penetrating mechanism, 200-material cutting mechanism, 300-connecting gear, 400-mould, 410-first mould, the main formwork of 411-, the main die of 412-, 413-main die-cushion block, the main mould thimble of 414-, 415-master cast chamber, 416-punch die cushion block, 417-punch die shell, 418-punch die thimble, 420-second mould, 430-the 3rd mould, 440-the 4th mould, 441-die cavity, 450-the 5th mould, 500-wire rod.
Detailed description of the invention
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.It should be noted that, accompanying drawing of the present invention all adopts the form of simplification and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.
Sleeve cold-heading device provided by the invention, as shown in Figure 1 to Figure 3, comprises feed mechanism 100, material cutting mechanism 200, connecting gear 300 and five moulds 400, wherein,
Described feed mechanism 100 is corresponding with the position of material cutting mechanism 200, particularly, described feed mechanism 100 comprises positive stop 110 and penetrating mechanism 120, wire rod 500 rises under the driving of driving arrangement (not shown), until the bottom of positive stop 110 described in the tip contact of wire rod 500, now, described material cutting mechanism 200 does rectilinear motion below described positive stop 110 and between the position above described penetrating mechanism 120, that is, the wire rod 500 cut is transported to the top of described penetrating mechanism 120, now, described penetrating mechanism 120 moves both vertically, wire rod 500 is delivered to described connecting gear 300, and then utilize described connecting gear 300 moving feeding between described feed mechanism 100 and five moulds 400, preferably, described connecting gear 300 adopts clip,
Described five moulds 400 comprise for first mould 410 in pre-upsetting bar footpath, for reverse drawing aperture, second mould 420 of preformed endoporus, for rush iron core the 3rd mould 430, for restraint bar footpath, bar shaping two ends the 4th mould 440 and for smart upsetting size and the 5th mould 450 of shaping middle ball-type, described five moulds 400 are arranged in order.Preferably, described five moulds 400 all adopt forward extrusion technique to process, and to improve the intensity of shaped article, particularly, it is 430 ~ 450 tons that the pressure of described five moulds 400 makes power.In the present invention, utilize cold-heading technology to complete all sizes, be spherical inside and outside protuberance, without the need to machining processes, save material, keep the complete of metal streamline, and add the intensity of part, and improve production efficiency.
Preferably, please refer to Fig. 2, described five moulds 400 include main mould and punch die, described main mould comprises main formwork 411, main die 412, main die-cushion block 413 and main mould thimble 414, described main formwork 411 is located at the outside of described main die 412 and main mould thimble 414, be provided with master cast chamber 415 in described main die 412, described main die-cushion block 413 is fixedly connected with one end of described main mould thimble 414, and the other end of described main mould thimble 414 penetrates in described master cast chamber 415; Described punch die comprises punch die cushion block 416, punch die shell 417 and punch die thimble 418, described punch die shell 417 is located at outside described punch die thimble 418, described punch die cushion block 416 is fixedly connected with one end of described punch die thimble 418, the other end of described punch die thimble 418 passes described punch die shell 417, the mass motion under the driving of driving arrangement (not shown) of whole punch die.
Preferably, please refer to Fig. 1 and Fig. 3, described first, 3rd, 4th mould 410, 430, main die-cushion block 413 in 440 and main mould thimble 414 move up and down relative to described main formwork 411 under the driving of driving arrangement (not shown), this sentences the 4th mould 440 is example, described wire rod 500 moves in described master cast chamber 415 with the motion of described main mould thimble 414, wire rod 500 is the pre-whole bar footpath of upsetting in the master cast chamber 415 of the first mould 410, preferably, described 4th, 5th mould 440, 450 also comprise die cavity 441 respectively, position and the shape in described die cavity 441 and the master cast chamber 415 on main mould are corresponding, still for the 4th mould 440, a part for wire rod 500 falls into master cast chamber 415, another part is in die cavity 441, described master cast chamber 415 and die cavity 441 acting in conjunction complete the shaping of middle ball-type, in the present embodiment, the shape full symmetric of described master cast chamber 415 and die cavity 441 inner chamber.
Present invention also offers a kind of sleeve cold heading technique, please continue to refer to Fig. 1, adopt sleeve cold-heading device as above, comprising:
Shear wire rod and feeding;
The bar footpath of the pre-upsetting wire rod of the first mould 410;
Second mould 420 reverse drawing aperture, preformed endoporus;
3rd mould 430 rushes iron core, makes wire rod become hollow pipe;
Bar formed connected end bar footpath restrainted by 4th mould 440;
The all sizes of 5th mould 450 guard aperture essence upsetting, and shaping middle ball-type.
In sum, sleeve cold-heading device provided by the invention and cold heading technique thereof, this device comprises feed mechanism 100, material cutting mechanism 200, connecting gear 300 and five moulds 400, and wherein, described feed mechanism 100 is corresponding with the position of material cutting mechanism 200; Described connecting gear 300 is moving feeding between described feed mechanism 100 and five moulds 400; For first mould 410 in pre-upsetting bar footpath, for reverse drawing aperture, the second mould 420 of preformed endoporus, for rush iron core the 3rd mould 430, for restraint bar footpath, bar shaping two ends the 4th mould 440 and for smart upsetting size and the 5th mould 450 of shaping middle ball-type be arranged in order.In the present invention, utilize cold-heading technology to complete all sizes, be spherical inside and outside protuberance, without the need to machining processes, save material, keep the complete of metal streamline, and add the intensity of part, and improve production efficiency.
Obviously, those skilled in the art can carry out various change and modification to invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. a sleeve cold-heading device, is characterized in that, comprises feed mechanism, material cutting mechanism, connecting gear and five moulds, wherein,
Described feed mechanism is corresponding with the position of material cutting mechanism;
Described connecting gear is moving feeding between described feed mechanism and five moulds;
For first mould in pre-upsetting bar footpath, for reverse drawing aperture, the second mould of preformed endoporus, for rush iron core the 3rd mould, for restraint bar footpath, bar shaping two ends the 4th mould and for smart upsetting size and the 5th mould of shaping middle ball-type be arranged in order.
2. sleeve cold-heading device as claimed in claim 1, it is characterized in that, described five moulds include main mould and punch die, described main mould comprises main formwork, main die, main die-cushion block and main mould thimble, described main formwork is located at the outside of described main die and main mould thimble, be provided with master cast chamber in described main die, described main die-cushion block is fixedly connected with one end of described main mould thimble, and the other end of described main mould thimble penetrates in described master cast chamber; Described punch die comprises punch die cushion block, punch die shell and punch die thimble, described punch die shell is located at outside described punch die thimble, described punch die cushion block is fixedly connected with one end of described punch die thimble, and the other end of described punch die thimble passes described punch die shell, whole punch die mass motion.
3. sleeve cold-heading device as claimed in claim 2, it is characterized in that, the main die-cushion block in described first, the 3rd, the 4th mould and main mould thimble move up and down relative to described main formwork under the driving of driving arrangement.
4. sleeve cold-heading device as claimed in claim 2, it is characterized in that, described 4th, the 5th mould also comprises die cavity respectively, and position and the shape in described die cavity and the master cast chamber on main mould are corresponding.
5. sleeve cold-heading device as claimed in claim 1, it is characterized in that, described five moulds all adopt forward extrusion technique to process.
6. sleeve cold-heading device as claimed in claim 1, is characterized in that, described connecting gear adopts clip.
7. sleeve cold-heading device as claimed in claim 1, it is characterized in that, described feed mechanism comprises positive stop and penetrating mechanism, and described material cutting mechanism does rectilinear motion between the position below described positive stop and above described penetrating mechanism, and described penetrating mechanism moves both vertically.
8. sleeve cold-heading device as claimed in claim 1, it is characterized in that, it is 430 ~ 450 tons that the pressure of described five moulds makes power.
9. a sleeve cold heading technique, adopts sleeve cold-heading device as claimed in claim 1, it is characterized in that, comprising:
Shear wire rod and feeding;
The bar footpath of the pre-upsetting wire rod of the first mould;
Second mould reverse drawing aperture, preformed endoporus;
3rd mould rushes iron core, makes wire rod become hollow pipe;
4th bar footpath, mold bundle bar shaping two ends;
The all sizes of 5th mould guard aperture essence upsetting, and shaping middle ball-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210591389.2A CN103909206B (en) | 2012-12-29 | 2012-12-29 | A kind of sleeve cold-heading device and cold heading technique thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210591389.2A CN103909206B (en) | 2012-12-29 | 2012-12-29 | A kind of sleeve cold-heading device and cold heading technique thereof |
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| CN103909206A CN103909206A (en) | 2014-07-09 |
| CN103909206B true CN103909206B (en) | 2016-01-13 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209445A (en) * | 2014-08-15 | 2014-12-17 | 宾科汽车紧固件（昆山）有限公司 | Cold-heading device for irregular knurling sleeve and production technique of cold-heading device |
| CN104209444B (en) * | 2014-08-15 | 2017-02-08 | 宾科汽车紧固件（昆山）有限公司 | Oil pipe joint cold heading device and production technology thereof |
| CN104525812B (en) * | 2014-12-16 | 2016-08-24 | 崔连义 | A kind of steel tube end part vibration jumping-up piecing devices and method |
| CN105081189B (en) * | 2015-09-17 | 2017-12-15 | 宾科汽车紧固件（昆山）有限公司 | Monel blind nut cold-heading device and production technology |
| CN105290289A (en) * | 2015-10-28 | 2016-02-03 | 浙江名将汽配有限公司 | Manufacturing die and manufacturing method for inner hexagonal socket |
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| JP2005329452A (en) * | 2004-05-21 | 2005-12-02 | Nitto Seiko Co Ltd | Device for forming outer circumferential groove in shaft part in heading |
| CN101185955A (en) * | 2007-12-21 | 2008-05-28 | 江南大学 | Steel ball cold heading technique and steel ball cold header |
| CN101829756A (en) * | 2010-06-17 | 2010-09-15 | 鹏驰五金制品有限公司 | Cutting-free forming die of expansion anchor bolt |
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| CN103909206A (en) | 2014-07-09 |
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