CN104209444A - Oil pipe joint cold heading device and production technology thereof - Google Patents
Oil pipe joint cold heading device and production technology thereof Download PDFInfo
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- CN104209444A CN104209444A CN201410403281.5A CN201410403281A CN104209444A CN 104209444 A CN104209444 A CN 104209444A CN 201410403281 A CN201410403281 A CN 201410403281A CN 104209444 A CN104209444 A CN 104209444A
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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
Technical field
The present invention relates to technical field of mold, particularly a kind of cold-heading device for the oil connection in automotive oil system and production technology thereof.
Background technology
In automotive oil system, usually need to connect oil pipe with oil connection, and sealing requirements is higher, to avoid leakage of oil, the structure of described oil connection 10 as shown in Figure 1 a to 1c, head comprises hexagonal 11, flange 12, it is screw thread outside bar portion, inside comprises macropore 13, aperture 14 and groove 15, due to common cold heading technique can only for the production of revolution class or symmetry classes part processing, and the groove 15 in oil connection 10 cannot be produced with common cold heading technique, therefore existing production method is: adopt the full machined of CNC (Digit Control Machine Tool) to produce, or machine adds inner macropore 13 after outside cold-heading, aperture 14 and groove 15, this mode cost is higher, efficiency is lower, production cycle is long, and the intensity of oil connection can be weakened.
Summary of the invention
The invention provides a kind of oil connection cold-heading device and production technology thereof, to solve the problems of the technologies described above.
For solving the problems of the technologies described above, the invention provides a kind of oil connection cold-heading device, comprising material cutting mechanism, ejecting mechanism, connecting gear and six moulds, wherein,
Wire rod cuts off by described material cutting mechanism, the wire rod jack-up that described ejecting mechanism will cut off;
Described connecting gear is moving feeding between described ejecting mechanism and six moulds;
Described six moulds comprise: the first mould for shaping, the second mould for shaping hexagonal, the 3rd mould for shaped flange, the 4th mould for shaping macropore, the 5th mould for shaping aperture and the 6th mould for shaping groove, six moulds are arranged in order.
Preferably, described six moulds include main mould and punch die, described main mould comprises main formwork, main die, main die-cushion block, main mould thimble and main mould thimble cushion block, described main die is located in described main formwork, master cast chamber is provided with in described main die, described main die-cushion block is located at below described main die, and one end of described main mould thimble is fixed on described main mould thimble cushion block, and the other end stretches in described master cast chamber through described main die-cushion block and main die; Described punch die comprises punch die shell, punch die cushion block and punch die thimble, and described punch die cushion block is located in described punch die shell, and one end of described punch die thimble is fixed on described punch die cushion block, and it is corresponding with described master cast chamber that the other end passes described punch die shell.
Preferably, the punch die mass motion under the driving of drive unit in described first, second, third, fourth and fifth mould.
Preferably, the punch die of described 6th mould also comprises push rod in mould, red needle sleeve pipe and sleeve pipe cushion block, and described red needle casing pipe sleeve is located at outside described punch die thimble, and described red needle sleeve pipe is fixedly connected with push rod in described mould by described sleeve pipe cushion block.
Preferably, die ejector is equipped with in the punch die of described six moulds.
Preferably, described connecting gear adopts clip.
Present invention also offers a kind of oil connection cold heading technique, adopt oil connection cold-heading device as above, comprising:
S1: shear wire rod and feeding;
The pre-upsetting wire rod of S2: the first mould;
The hexagonal of the S3: the second mould molding head;
S4: the three mould molding flange;
S5: the four mould extruding macropore;
S6: the five mould extruding aperture;
S7: the six mould molding groove.
Compared with prior art, the present invention has the following advantages: the present invention utilizes cold-heading technology to complete all sizes, and material, without the need to machining processes, is saved in groove position, keeps the complete of metal streamline, and adds the intensity of part, and improve production efficiency.
Accompanying drawing explanation
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, the main formwork of 411-, the main die of 412-, the main die-cushion block of 413-, the main mould thimble of 414-, 415-main mould thimble cushion block, 416-master cast chamber, 417-punch die shell, 418-punch die cushion block, 419-punch die thimble, 420-second mould, 430-the 3rd mould, 440-the 4th mould, 450-the 5th mould, 460-the 6th mould, push rod in 461-mould, 462-red needle sleeve pipe, 463-sleeve pipe cushion block.
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.
Oil connection cold-heading device provided by the invention, as shown in Figure 2, and composition graphs 1a to 1c, comprise material cutting mechanism 100, ejecting mechanism 200, connecting gear 300 and six moulds 400, wherein,
Wire rod cuts off by described material cutting mechanism 100, the wire rod jack-up that described ejecting mechanism 200 will cut off;
Described connecting gear 300 is moving feeding between described ejecting mechanism 200 and six moulds 400, in the present embodiment, described connecting gear 300 adopts clip;
Described six moulds 400 comprise: the first mould 410 for shaping, the second mould 420 for shaping hexagonal 11, the 3rd mould 430 for shaped flange 12, the 4th mould 440 for shaping macropore 13, the 5th mould 450 for shaping aperture 14 and the 6th mould 460, six moulds 400 for shaping groove 15 are arranged in order.In the present invention, all sizes of described oil connection 10 complete by cold-heading technology, 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, described six moulds 400 include main mould and punch die, please emphasis with reference to figure 3, for the first mould 410, described main mould comprises main formwork 411, main die 412, main die-cushion block 413, main mould thimble 414 and main mould thimble cushion block 415, described main die 412 is located in described main formwork 411, master cast chamber 416 is provided with in described main die 412, described main die-cushion block 413 is located at below described main die 412, one end of described main mould thimble 414 is fixed on described main mould thimble cushion block 415, the other end stretches in described master cast chamber 416 through described main die-cushion block 413 and main die 412, described punch die comprises punch die shell 417, punch die cushion block 418 and punch die thimble 419, described punch die cushion block 418 is located in described punch die shell 417, one end of described punch die thimble 419 is fixed on described punch die cushion block 418, and it is corresponding with described master cast chamber 416 that the other end passes described punch die shell 417.In cold-heading process, product is transferred to corresponding position above master cast chamber 416 by connecting gear 300, punch die thimble 419 promotes in product introduction master cast chamber 416, principle according to material plasticity distortion reaches dimensional requirement in master cast chamber 416, after shaping, by main mould thimble 414, product is released, enter in next mould 400.
Preferably, the punch die mass motion under the driving of drive unit in described first, second, third, fourth and fifth mould 410,420,430,440,450.
Preferably; please emphasis with reference to figure 4; the punch die of described 6th mould 460 also comprises 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 is fixedly connected with push rod 461 in described mould by described sleeve pipe cushion block 463.That is, in the 6th mould 460, punch die cushion block 418 and punch die thimble 419 are synchronized with the movement; In mould, push rod 461, sleeve pipe cushion block 463 and red needle sleeve pipe 462 are synchronized with the movement, and only need arrange the boss corresponding with described groove 15 on punch die thimble 419, the groove 15 namely in plastic oil connection 10.
Preferably, be equipped with die ejector (not shown) in the punch die of described six moulds 400, i.e. PKO device, thus prevent the situation of carry-over on the head punch.
Present invention also offers a kind of oil connection cold heading technique, adopt oil connection cold-heading device as above, comprising:
S1: shear wire rod and feeding;
The pre-upsetting wire rod of S2: the first mould 410;
The hexagonal 11 of the shaping head of the S3: the second mould 420;
S4: the three mould 430 shaped flange 12;
S5: the four mould 440 extrudes macropore 13;
S6: the five mould 450 extrudes aperture 14;
S7: the six mould 460 shaping groove 15.
Adopt above-mentioned technique, the speed of production of oil connection 10 can reach 60 per minute, substantially increases production efficiency, certainly, after above-mentioned steps completes, also needs the screw thread in processing oil pipe joint 10 bar portion; Then surface treatment, as black in contaminated, to improve the rustless property of part.
In the present invention, utilize cold-heading technology to complete all sizes, material, without the need to machining processes, is saved in groove position, keeps the complete of metal streamline, and adds 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 (7)
1. an oil connection cold-heading device, is characterized in that, comprises material cutting mechanism, ejecting mechanism, connecting gear and six moulds, wherein,
Wire rod cuts off by described material cutting mechanism, the wire rod jack-up that described ejecting mechanism will cut off;
Described connecting gear is moving feeding between described ejecting mechanism and six moulds;
Described six moulds comprise: the first mould for shaping, the second mould for shaping hexagonal, the 3rd mould for shaped flange, the 4th mould for shaping macropore, the 5th mould for shaping aperture and the 6th mould for shaping groove, six moulds are arranged in order.
2. oil connection cold-heading device as claimed in claim 1, it is characterized in that, described six moulds include main mould and punch die, described main mould comprises main formwork, main die, main die-cushion block, main mould thimble and main mould thimble cushion block, described main die is located in described main formwork, master cast chamber is provided with in described main die, described main die-cushion block is located at below described main die, one end of described main mould thimble is fixed on described main mould thimble cushion block, and the other end stretches in described master cast chamber through described main die-cushion block and main die; Described punch die comprises punch die shell, punch die cushion block and punch die thimble, and described punch die cushion block is located in described punch die shell, and one end of described punch die thimble is fixed on described punch die cushion block, and it is corresponding with described master cast chamber that the other end passes described punch die shell.
3. oil connection cold-heading device as claimed in claim 2, is characterized in that, the punch die mass motion under the driving of drive unit in described first, second, third, fourth and fifth mould.
4. oil connection cold-heading device as claimed in claim 2; it is characterized in that; the punch die of described 6th mould also comprises push rod in mould, red needle sleeve pipe and sleeve pipe cushion block; described red needle casing pipe sleeve is located at outside described punch die thimble, and described red needle sleeve pipe 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 characterized in that, be equipped with die ejector in the punch die of described six moulds.
6. oil connection cold-heading device as claimed in claim 1, is characterized in that, described connecting gear adopts clip.
7. an oil connection cold heading technique, adopts as the oil connection cold-heading device in claim 1 ~ 6 as described in any one, it is characterized in that, comprising:
S1: shear wire rod and feeding;
The pre-upsetting wire rod of S2: the first mould;
The hexagonal of the S3: the second mould molding head;
S4: the three mould molding flange;
S5: the four mould extruding macropore;
S6: the five mould extruding aperture;
S7: the six mould molding groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410403281.5A CN104209444B (en) | 2014-08-15 | 2014-08-15 | Oil pipe joint cold heading device and production technology thereof |
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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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| CN104209444A true CN104209444A (en) | 2014-12-17 |
| CN104209444B CN104209444B (en) | 2017-02-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081188A (en) * | 2015-09-17 | 2015-11-25 | 宾科汽车紧固件（昆山）有限公司 | Cold heading device for electronic parking adjusting nuts and processing method of cold heading device |
| CN105562575A (en) * | 2015-12-01 | 2016-05-11 | 余姚市菲龙金属制品有限公司 | Machining method of blow-down stopple cold heading of electric water heater |
| CN105909887A (en) * | 2016-05-25 | 2016-08-31 | 临海市澳法管业有限公司 | Cold upsetting supercharger conical surface molding oil pipe joint and cold upsetting manufacturing process thereof |
| 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 |
| CN108555200A (en) * | 2018-01-12 | 2018-09-21 | 上海裴椒汽车部件制造有限公司 | A kind of oil connection cold heading technique and its cold upsetting die of car |
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| TWI275429B (en) * | 2006-02-09 | 2007-03-11 | Anchor Fasteners Ind Co Ltd | Forming method of hollow fastening member |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105081188A (en) * | 2015-09-17 | 2015-11-25 | 宾科汽车紧固件（昆山）有限公司 | Cold heading device for electronic parking adjusting nuts and processing method of cold heading device |
| CN105562575A (en) * | 2015-12-01 | 2016-05-11 | 余姚市菲龙金属制品有限公司 | Machining method of blow-down stopple cold heading of electric water heater |
| 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 |
| CN105909887A (en) * | 2016-05-25 | 2016-08-31 | 临海市澳法管业有限公司 | Cold upsetting supercharger conical surface molding oil pipe joint and cold upsetting manufacturing process thereof |
| 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 |
| CN108555200A (en) * | 2018-01-12 | 2018-09-21 | 上海裴椒汽车部件制造有限公司 | A kind of oil connection cold heading technique and its cold upsetting die of car |
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| CN104209444B (en) | 2017-02-08 |
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