CN103909206A - Cold heading device for sleeve and cold heading process thereof - Google Patents

Cold heading device for sleeve and cold heading process thereof Download PDF

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Publication number
CN103909206A
CN103909206A CN201210591389.2A CN201210591389A CN103909206A CN 103909206 A CN103909206 A CN 103909206A CN 201210591389 A CN201210591389 A CN 201210591389A CN 103909206 A CN103909206 A CN 103909206A
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Prior art keywords
mould
die
main
punch die
thimble
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CN201210591389.2A
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CN103909206B (en
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李经宝
罗从启
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Binko Automotive Fasteners (kunshan) Co Ltd
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Binko Automotive Fasteners (kunshan) Co Ltd
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Abstract

The invention relates to a cold heading device for a sleeve and a cold heading process thereof. The cold heading device comprises a feed mechanism, a cutting mechanism, a delivery mechanism and five dies, wherein the position of the feed mechanism is corresponding to that of the cutting mechanism; the delivery mechanism moves between the feed mechanism and the five dies to deliver materials; the first die for pre-heading a rod diameter, the second die for reversely drawing an aperture and pre-forming an inner hole, the third die for punching an iron core, the fourth die for forming rod diameters of two ends of a fasces, and the fifth die for finishing size and forming a ball shape at the middle are arrayed in sequence. By means of the cold heading device for the sleeve and the cold heading process thereof, all the sizes are finished through cold heading technology, both the inside and the outside of a bump are spherical, the machining is omitted, the material is saved, the metal streamline completeness is maintained, the spare part intensity is improved, and the production efficiency is improved.

Description

A kind of sleeve cold-heading device and cold heading technique thereof
Technical field
The present invention relates to technical field of mold, particularly a kind of sleeve cold-heading device and cold heading technique thereof for the sleeve on automobile damper.
Background technology
Between general automobile chassis and tire, all can install shock absorber additional, to reduce the impact of thump, to reduce automobile in the uneven road surface injury being caused of travelling.The shock absorber of general vehicle, conventionally need to use the sleeve that a kind of middle part is protuberance, inside and outside described protuberance, be spherical, and the production method of this sleeve is: steel pipe is made under the effect of hydraulic press protuberance be deformed into round shape, but the inside of protuberance is irregular indenture after its moulding, 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 providing a kind of sleeve cold-heading device that can increase sleeve intensity and enhance productivity and cold heading technique thereof is those skilled in the art's technical problem 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, comprise 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 anti-pulling eye footpath, the second mould of preformed endoporus, for rushing the 3rd mould of iron core, for restrainting the 4th mould in bar footpath, bar moulding two ends and being arranged in order for the 5th mould of ball-type in the middle of smart upsetting size moulding.
Preferably, described five moulds include main mould and punch die, described main mould comprises main formwork, main die, main die-cushion piece and main mould thimble, described main formwork is located at the outside of described main die and main mould thimble, in described main die, be provided with master cast chamber, described main die-cushion piece 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 described punch die thimble outside, 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, main die-cushion piece and the main mould thimble in described first, the 3rd, the 4th mould moves up and down with respect to described main formwork under the driving of driving arrangement.
Preferably, described the 4th, the 5th mould also comprises respectively punch die die cavity, and described punch die die cavity is corresponding with position and the shape in the master cast chamber on main mould.
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, to make power be 430 ~ 450 tons to the pressure of described five moulds.
The present invention also provides a kind of sleeve cold heading technique, adopts sleeve cold-heading device as above, comprising:
Shear wire rod feeding;
The bar footpath of the pre-upsetting wire rod of the first mould;
The anti-pulling eye of the second mould footpath, preformed endoporus;
The 3rd mould rushes iron core, makes wire rod become hollow pipe;
The formed connected end bar of the 4th mold bundle bar footpath;
The all sizes of the 5th mould guard aperture essence upsetting, and ball-type in the middle of moulding.
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 anti-pulling eye footpath, the second mould of preformed endoporus, for rushing the 3rd mould of iron core, for restrainting the 4th mould in bar footpath, bar moulding two ends and being arranged in order for the 5th mould of ball-type in the middle of smart upsetting size moulding.The present invention utilizes cold-heading technology to complete all sizes, is spherical inside and outside protuberance, without machining processes, saves material, keeps metal streamline complete, and has increased the intensity of part, and improved 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-the first mould, the main formwork of 411-, the main die of 412-, the main die-cushion piece of 413-, the main mould thimble of 414-, 415-master cast chamber, 416-punch die cushion block, 417-punch die shell, 418-punch die thimble, 420-the second mould, 430-the 3rd mould, 440-the 4th mould, 441-punch die die cavity, 450-the 5th mould, 500-wire rod.
The specific embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.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 convenient, the object of 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 top of wire rod 500 contacts the bottom of described positive stop 110, now, described material cutting mechanism 200 does rectilinear motion between the position below described positive stop 110 and above described penetrating mechanism 120, that is to say, the wire rod cutting 500 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 anti-pulling eye footpath, the second mould 420 of preformed endoporus, for rushing the 3rd mould 430 of iron core, for restrainting the 4th mould 440 in bar footpath, bar moulding two ends and the 5th mould 450 for ball-type in the middle of smart upsetting size moulding, 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 is made power.In the present invention, utilize cold-heading technology to complete all sizes, inside and outside protuberance, be spherical, without machining processes, save material, keep metal streamline complete, and increased the intensity of part, and improved 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 piece 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, in described main die 412, be provided with master cast chamber 415, described main die-cushion piece 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 described punch die thimble 418 outsides, 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, the 3rd, the 4th mould 410, 430, main die-cushion piece 413 in 440 and main mould thimble 414 move up and down with respect 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 of upsetting footpath in the master cast chamber 415 of the first mould 410, preferably, the described the 4th, the 5th mould 440, 450 also comprise respectively punch die die cavity 441, described punch die die cavity 441 is corresponding with position and the shape in the master cast chamber 415 on main mould, still take the 4th mould 440 as example, a part for wire rod 500 falls into master cast chamber 415, another part is in punch die die cavity 441, the moulding of ball-type in the middle of described master cast chamber 415 and 441 actings in conjunction of punch die die cavity complete, in the present embodiment, the shape full symmetric of described master cast chamber 415 and punch die die cavity 441 inner chambers.
The present invention also provides a kind of sleeve cold heading technique, please continue to refer to Fig. 1, adopts sleeve cold-heading device as above, comprising:
Shear wire rod feeding;
The bar footpath of the first mould 410 pre-upsetting wire rods;
The anti-pulling eye of the second mould 420 footpath, preformed endoporus;
The 3rd mould 430 rushes iron core, makes wire rod become hollow pipe;
The 4th mould 440 is restrainted the formed connected end bar of bar footpath;
The all sizes of the 5th mould 450 guard aperture essence upsetting, and ball-type in the middle of moulding.
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, 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 anti-pulling eye footpath, the second mould 420 of preformed endoporus, for rushing the 3rd mould 430 of iron core, for restrainting the 4th mould 440 in bar footpath, bar moulding two ends and being arranged in order for the 5th mould 450 of ball-type in the middle of smart upsetting size moulding.In the present invention, utilize cold-heading technology to complete all sizes, inside and outside protuberance, be spherical, without machining processes, save material, keep metal streamline complete, and increased the intensity of part, and improved production efficiency.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to including these changes 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 anti-pulling eye footpath, the second mould of preformed endoporus, for rushing the 3rd mould of iron core, for restrainting the 4th mould in bar footpath, bar moulding two ends and being arranged in order for the 5th mould of ball-type in the middle of smart upsetting size moulding.
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 piece and main mould thimble, described main formwork is located at the outside of described main die and main mould thimble, in described main die, be provided with master cast chamber, described main die-cushion piece 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 described punch die thimble outside, 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, is characterized in that, main die-cushion piece and main mould thimble in described first, the 3rd, the 4th mould move up and down with respect to described main formwork under the driving of driving arrangement.
4. sleeve cold-heading device as claimed in claim 2, is characterized in that, described the 4th, the 5th mould also comprises respectively punch die die cavity, and described punch die die cavity is corresponding with position and the shape in the master cast chamber on main mould.
5. sleeve cold-heading device as claimed in claim 1, 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, is characterized in that, it is 430 ~ 450 tons that the pressure of described five moulds is made 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 feeding;
The bar footpath of the pre-upsetting wire rod of the first mould;
The anti-pulling eye of the second mould footpath, preformed endoporus;
The 3rd mould rushes iron core, makes wire rod become hollow pipe;
The formed connected end bar of the 4th mold bundle bar footpath;
The all sizes of the 5th mould guard aperture essence upsetting, and ball-type in the middle of moulding.
CN201210591389.2A 2012-12-29 2012-12-29 A kind of sleeve cold-heading device and cold heading technique thereof Active CN103909206B (en)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104209444A (en) * 2014-08-15 2014-12-17 宾科汽车紧固件(昆山)有限公司 Oil pipe joint cold heading device and production technology thereof
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
CN104525812A (en) * 2014-12-16 2015-04-22 崔连义 Steel pipe end vibration upsetting joint device and method
CN105081189A (en) * 2015-09-17 2015-11-25 宾科汽车紧固件(昆山)有限公司 Nickel-copper alloy rivet nut cold heading device and producing technique
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
KR101088734B1 (en) * 2011-10-21 2011-12-02 주식회사 코우 Manufacture method of break piston
CN102581052A (en) * 2012-02-13 2012-07-18 浙江拓进五金工具有限公司 Multi-position cold extrusion molding method for universal sockets
CN202606763U (en) * 2012-03-27 2012-12-19 苏州新凌高强度紧固件有限公司 Cold heading forming die for tire bolts
CN203109153U (en) * 2012-12-29 2013-08-07 宾科汽车紧固件(昆山)有限公司 Sleeve cold upsetting device

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Publication number Priority date Publication date Assignee Title
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
KR101088734B1 (en) * 2011-10-21 2011-12-02 주식회사 코우 Manufacture method of break piston
CN102581052A (en) * 2012-02-13 2012-07-18 浙江拓进五金工具有限公司 Multi-position cold extrusion molding method for universal sockets
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CN203109153U (en) * 2012-12-29 2013-08-07 宾科汽车紧固件(昆山)有限公司 Sleeve cold upsetting device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104209444A (en) * 2014-08-15 2014-12-17 宾科汽车紧固件(昆山)有限公司 Oil pipe joint cold heading device and production technology thereof
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
CN104525812A (en) * 2014-12-16 2015-04-22 崔连义 Steel pipe end vibration upsetting joint device and method
CN105081189A (en) * 2015-09-17 2015-11-25 宾科汽车紧固件(昆山)有限公司 Nickel-copper alloy rivet nut cold heading device and producing technique
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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