CN104209444B - Oil pipe joint cold heading device and production technology thereof - Google Patents

Oil pipe joint cold heading device and production technology thereof Download PDF

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Publication number
CN104209444B
CN104209444B CN201410403281.5A CN201410403281A CN104209444B CN 104209444 B CN104209444 B CN 104209444B CN 201410403281 A CN201410403281 A CN 201410403281A CN 104209444 B CN104209444 B CN 104209444B
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CN
China
Prior art keywords
mould
punch die
main mould
cushion block
main
Prior art date
Application number
CN201410403281.5A
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Chinese (zh)
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CN104209444A (en
Inventor
段森月
吴敏
任新锋
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宾科汽车紧固件(昆山)有限公司
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Priority to CN201410403281.5A priority Critical patent/CN104209444B/en
Publication of CN104209444A publication Critical patent/CN104209444A/en
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Publication of CN104209444B publication Critical patent/CN104209444B/en

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Abstract

The invention relates to an oil pipe joint cold heading device and a production technology thereof. The oil pipe joint cold heading device comprises a material cutting mechanism, an ejecting mechanism, a conveying mechanism and six dies, wherein the material cutting mechanism is used for cutting a wire; the ejecting mechanism is used for ejecting the cut wire; the conveying mechanism is arranged between the ejecting mechanism and the six dies and is used for movably conveying materials; the six dies comprise a first die which is used for reshaping, a second die which is used for forming a hexagonal shape, a third die which is used for forming a flange, a fourth die which is used for forming a big hole, a fifth die which is used for forming a small hole and a sixth die which is used for forming a groove, and the six dies are sequentially arranged. According to the oil pipe joint cold heading device disclosed by the invention, all dimensions are completed by utilizing a cold heading technology, the groove does not need machining procedures, the materials are reduced, the integrity of a metal flow line is kept, the strength of parts is increased, and the production efficiency is increased.

Description

Oil connection cold-heading device and its production technology
Technical field
The present invention relates to technical field of mold, particularly to a kind of cold-heading for the oil connection in automotive oil system Device and its production technology.
Background technology
In automotive oil system, it usually needs with oil connection, oil pipe is attached, and sealing requirements are higher, with Avoid oil leak, as shown in Figure 1 a to 1c, head includes hexagonal 11, flange 12 to the structure of described oil connection 10, outside bar portion is Screw thread, internal include macropore 13, aperture 14 and groove 15, due to common cold heading technique be only used for producing revolution class or The part processing of person's symmetry classes, and the groove 15 in oil connection 10 cannot be produced with common cold heading technique, therefore existing Production method is:Produced using the full machining of CNC (Digit Control Machine Tool), or after outside cold-heading, machine adds the macropore 13 of inside, aperture 14 and groove 15, this mode is relatively costly, less efficient, long the production cycle, and can weaken the intensity of oil connection.
Content of the invention
The present invention provides a kind of oil connection cold-heading device and its production technology, to solve above-mentioned technical problem.
For solving above-mentioned technical problem, the present invention provides a kind of oil connection cold-heading device, including material cutting mechanism, ejector Structure, connecting gear and six moulds, wherein,
Wire rod is cut off by described material cutting mechanism, the wire rod jack-up that described ejecting mechanism will cut off;
Described connecting gear moving feeding between described ejecting mechanism and six moulds;
Described six moulds include:For the first mould of shaping, for being molded the second mould of hexagonal, being used for the method for forming Blue the 3rd mould, for being molded the 4th mould of macropore, for being molded the 5th mould of aperture and for shaping groove 6th mould, six moulds are arranged in order.
It is preferred that described six moulds all include main mould and punch die, described main mould includes main mould shell, main mould benevolence, main mould pad Block, main mould thimble and main mould thimble cushion block, described main mould benevolence, in described main mould shell, is provided with master cast in described main mould benevolence Chamber, described main mould cushion block below described main mould benevolence, be fixed on described main mould thimble cushion block by one end of described main mould thimble, The other end passes through described main mould cushion block and main mould benevolence to stretch in described main mould die cavity;Described punch die includes punch die shell, punch die cushion block And punch die thimble, in described punch die shell, described die pad is fixed in one end of described punch die thimble to described punch die cushion block On block, it is corresponding with described main mould die cavity that the other end passes described punch die shell.
It is preferred that the punch die in described first, second, third, fourth and fifth mould is whole under the driving of driving means Body moves.
It is preferred that the punch die of described 6th mould also includes push rod in mould, red needle sleeve pipe and sleeve pipe cushion block, described red needle Casing pipe sleeve is outside described punch die thimble, and described red needle sleeve pipe is passed through described sleeve pipe cushion block and fixed even with push rod in described mould Connect.
It is preferred that being equipped with die ejector in the punch die of described six moulds.
It is preferred that described connecting gear adopts clip.
Present invention also offers a kind of oil connection cold heading technique, using oil connection cold-heading device as above, wrap Include:
S1:Shearing wire rod feeding;
S2:First mould pre- upsetting wire rod;
S3:The hexagonal of the second mould molding head;
S4:3rd mould molding flange;
S5:4th mould extruding macropore;
S6:5th mould extruding aperture;
S7:6th mould molding groove.
Compared with prior art, the present invention has advantages below:The present invention completes all sizes, groove using cold-heading technology Position without machining processes, material-saving, keep the complete of metal streamline, and increased the intensity of part, and improve life Produce efficiency.
Brief description
Fig. 1 a is the front view of oil connection;
Fig. 1 b is the left view of Fig. 1 a;
Fig. 1 c is the right view of Fig. 1 a;
Fig. 2 is the structural representation of the oil connection cold-heading device of the embodiment of the invention;
Fig. 3 is the structural representation of the first mould of the embodiment of the invention;
Fig. 4 is the structural representation of the 6th mould of the embodiment of the invention.
In figure:10- oil connection, 11- hexagonal, 12- flange, 13- macropore, 14- aperture, 15- groove;
100- material cutting mechanism, 200- ejecting mechanism, 300- connecting gear, 400- mould, 410- first mould, 411- main mould Shell, 412- main mould benevolence, 413- main mould cushion block, 414- main mould thimble, 415- main mould thimble cushion block, 416- main mould die cavity, 417- punching Formwork, 418- punch die cushion block, 419- punch die thimble, 420- second mould, 430- the 3rd mould, 440- the 4th mould, 450- Push rod, 462- red needle sleeve pipe, 463- sleeve pipe cushion block in five moulds, 460- the 6th mould, 461- mould.
Specific embodiment
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings to the present invention Specific embodiment be described in detail.It should be noted that, accompanying drawing of the present invention is all in the form of simplifying and all using non-essence Accurate ratio, only in order to purpose that is convenient, lucidly aiding in illustrating the embodiment of the present invention.
The oil connection cold-heading device that the present invention provides, as shown in Fig. 2 and combine Fig. 1 a to 1c, including material cutting mechanism 100th, ejecting mechanism 200, connecting gear 300 and six moulds 400, wherein,
Wire rod is cut off by described material cutting mechanism 100, the wire rod jack-up that described ejecting mechanism 200 will cut off;
Described connecting gear 300 moving feeding between described ejecting mechanism 200 and six moulds 400, the present embodiment In, described connecting gear 300 adopts clip;
Described six moulds 400 include:For the first mould 410 of shaping, the second mould for being molded hexagonal 11 420th, it is used for the 3rd mould 430 of shaped flange 12, be used for being molded the 4th mould 440 of macropore 13, for being molded aperture 14 5th mould 450 and the 6th mould 460 for shaping groove 15, six moulds 400 are arranged in order.In the present invention, described All sizes of oil connection 10 are completed by cold-heading technology, without machining processes, material-saving, keep the complete of metal streamline Whole, and increased the intensity of part, and improve production efficiency.
It is preferred that described six moulds 400 all include main mould and punch die, ask emphasis with reference to Fig. 3, with the first mould 410 be Example, described main mould includes main mould shell 411, main mould benevolence 412, main mould cushion block 413, main mould thimble 414 and main mould thimble cushion block 415, described main mould benevolence 412, in described main mould shell 411, is provided with main mould die cavity 416, described main mould in described main mould benevolence 412 Below described main mould benevolence 412, described main mould thimble cushion block 415 is fixed in one end of described main mould thimble 414 to cushion block 413 On, the other end passes through described main mould cushion block 413 and main mould benevolence 412 to stretch in described main mould die cavity 416;Described punch die includes punch die Shell 417, punch die cushion block 418 and punch die thimble 419, described punch die cushion block 418 in described punch die shell 417, described punch die One end of thimble 419 is fixed on described punch die cushion block 418, and the other end passes described punch die shell 417 and described main mould die cavity 416 Corresponding.During cold-heading, product is transferred to main mould die cavity 416 top corresponding position, punch die thimble by connecting gear 300 419 promote product to enter in main mould die cavity 416, and reaching size in main mould die cavity 416 according to the principle of material plasticity deformation will Ask, after shaping finishes, by main mould thimble 414, product is released, enter in next mould 400.
It is preferred that the punch die in described first, second, third, fourth and fifth mould 410,420,430,440,450 exists Mass motion under the driving of driving means.
It is preferred that asking emphasis with reference to Fig. 4, the punch die of described 6th mould 460 also includes push rod 461 in mould, red needle sleeve pipe 462 and sleeve pipe cushion block 463, described red needle sleeve pipe 462 is sheathed on outside described punch die thimble 419, and described red needle sleeve pipe 462 It is fixedly connected with push rod 461 in described mould by described sleeve pipe cushion block 463.That is, in the 6th mould 460, die pad Block 418 is synchronized with the movement with punch die thimble 419;In mould, push rod 461, sleeve pipe cushion block 463 and red needle sleeve pipe 462 are synchronized with the movement, only The boss corresponding with described groove 15 need to be arranged on punch die thimble 419, you can the groove 15 in shaping oil connection 10.
It is preferred that being equipped with die ejector (not shown) in the punch die of described six moulds 400, i.e. PKO dress Put, thus preventing the situation of carry-over on the head punch.
Present invention also offers a kind of oil connection cold heading technique, using oil connection cold-heading device as above, wrap Include:
S1:Shearing wire rod feeding;
S2:The pre- upsetting wire rod of first mould 410;
S3:Second mould 420 is molded the hexagonal 11 of head;
S4:3rd mould 430 shaped flange 12;
S5:4th mould 440 extrudes macropore 13;
S6:5th mould 450 extrudes aperture 14;
S7:6th mould 460 shaping groove 15.
Using above-mentioned technique, the speed of production of oil connection 10 can reach 60 per minute, substantially increases production efficiency, Certainly, after the completion of above-mentioned steps, also need to process the screw thread of oil connection 10 bar portion;Then it is surface-treated, such as contaminate black, to improve zero The rustless property of part.
In the present invention, complete all sizes using cold-heading technology, groove position, without machining processes, material-saving, is protected Hold the complete of metal streamline, and increased the intensity of part, and improve production efficiency.
Obviously, those skilled in the art can carry out the various changes and modification spirit without deviating from the present invention to invention And scope.So, if these modifications of the present invention and modification belong to the claims in the present invention and its equivalent technologies scope it Interior, then the present invention is also intended to including these changes and modification.

Claims (7)

1. a kind of oil connection cold-heading device is it is characterised in that include material cutting mechanism, ejecting mechanism, connecting gear and six Mould, wherein,
Wire rod is cut off by described material cutting mechanism, the wire rod jack-up that described ejecting mechanism will cut off;
Described connecting gear moving feeding between described ejecting mechanism and six moulds;
Described six moulds include:For the first mould of shaping, for being molded the second mould of hexagonal, for shaped flange 3rd mould, the 4th mould, the 5th mould and for shaping groove the 6th for being molded aperture for being molded macropore Mould, six moulds are arranged in order.
2. oil connection cold-heading device as claimed in claim 1 is it is characterised in that described six moulds all include main mould and punching Mould, described main mould includes main mould shell, main mould benevolence, main mould cushion block, main mould thimble and main mould thimble cushion block, described main mould benevolence located at In described main mould shell, in described main mould benevolence, be provided with main mould die cavity, described main mould cushion block below described main mould benevolence, described main mould One end of thimble is fixed on described main mould thimble cushion block, and the other end passes through described main mould cushion block and main mould benevolence to stretch into described main mould In die cavity;Described punch die includes punch die shell, punch die cushion block and punch die thimble, described punch die cushion block in described punch die shell, One end of described punch die thimble is fixed on described punch die cushion block, and it is relative with described main mould die cavity that the other end passes described punch die shell Should.
3. oil connection cold-heading device as claimed in claim 2 is it is characterised in that described first, second, third, fourth He Punch die mass motion under the driving of driving means in 5th mould.
4. oil connection cold-heading device as claimed in claim 2 is it is characterised in that the punch die of described 6th mould also includes mould Interior push rod, red needle sleeve pipe and sleeve pipe cushion block, described red needle casing pipe sleeve is outside described punch die thimble, and described red needle sleeve pipe It is fixedly connected with push rod in described mould by described sleeve pipe cushion block.
5. oil connection cold-heading device as claimed in claim 2 is it is characterised in that be equipped with the punch die of described six moulds Die ejector.
6. oil connection cold-heading device as claimed in claim 1 is it is characterised in that described connecting gear adopts clip.
7. a kind of oil connection cold heading technique, using the oil connection cold-heading dress as described in any one in claim 1~6 Put it is characterised in that including:
S1:Shearing wire rod feeding;
S2:First mould pre- upsetting wire rod;
S3:The hexagonal of the second mould molding head;
S4:3rd mould molding flange;
S5:4th mould extruding macropore;
S6:5th mould extruding aperture;
S7:6th mould molding groove.
CN201410403281.5A 2014-08-15 2014-08-15 Oil pipe joint cold heading device and production technology thereof CN104209444B (en)

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Application Number Priority Date Filing Date Title
CN201410403281.5A CN104209444B (en) 2014-08-15 2014-08-15 Oil pipe joint cold heading device and production technology thereof

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CN104209444B true CN104209444B (en) 2017-02-08

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CN105081188B (en) * 2015-09-17 2017-09-12 宾科汽车紧固件(昆山)有限公司 Electronic parking adjusting nut cold-heading device and its processing method
CN105562575B (en) * 2015-12-01 2017-12-22 余姚市菲龙金属制品有限公司 The processing method of electric heater blowdown plug cold-heading
CN105909887B (en) * 2016-05-25 2018-11-13 临海市澳法管业有限公司 A kind of cold-heading booster conical surface molding oil connection and its cold-heading manufacturing process
CN106670367A (en) * 2017-02-21 2017-05-17 苏州孚莱博精密金属科技有限公司 Cold heading die set for manufacturing oil pipe joint and cold heading process
CN108555200B (en) * 2018-01-12 2019-12-24 上海裴椒汽车部件制造有限公司 Cold heading process and cold heading die for oil pipe joint

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JP3537646B2 (en) * 1997-10-14 2004-06-14 大川精螺工業株式会社 Manufacturing method of blank material for hose fitting and manufacturing method of hose fitting
TWI275429B (en) * 2006-02-09 2007-03-11 Anchor Fasteners Ind Co Ltd Forming method of hollow fastening member
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