CN103143580B - Manufacturing process of conical sleeve - Google Patents
Manufacturing process of conical sleeve Download PDFInfo
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- CN103143580B CN103143580B CN201310077229.0A CN201310077229A CN103143580B CN 103143580 B CN103143580 B CN 103143580B CN 201310077229 A CN201310077229 A CN 201310077229A CN 103143580 B CN103143580 B CN 103143580B
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Abstract
The invention provides a manufacturing process of a conical sleeve. The conical sleeve is a component in an anti-vibration system which is used below an automobile engine; and the shape of the conical sleeve is as follows: the main body of the conical sleeve is a tube part, the rail part of the conical sleeve is a conical cap, and two sections of symmetrical flat grooves are formed in the head part of the central through hole of the conical sleeve. The manufacturing process provided by the invention comprises the following steps of: producing a billet raw material into a disk circular material; then performing phosphate surface treatment and fine-extraction sizing treatment on the disk circular material, wherein the diameter of the disk circular material after fine-extraction sizing corresponds to the outer diameter of the tube part of the conical sleeve; and then producing a high-performance automobile component which is large in deformation, high in accuracy and complex in shape by adopting a multi-location cold extrusion forming process. The raw materials are almost loss-free during the processing process, so that the raw materials are saved, the cost is reduced, the production efficiency is increased, and the mechanical performance of the product is improved; and moreover, the accuracy is high, so that the quality of the product is guaranteed.
Description
Technical field
The present invention relates to a kind of manufacturing process of conical sleeve.
Background technology
Conical sleeve is used in the parts in the suspension system under automobile engine, and the profile of conical sleeve is: main body is pipe portion, and afterbody is tapered cap, and the head of the central through hole of conical sleeve has two sections of symmetrical flat grooves.Greatly, although especially its central through hole main body is circular hole, its head has flat groove, and its endoporus is the irregularly-shaped hole of more difficult manufacture in the diameter change of this conical sleeve.Whole conical sleeve is made to adopt cold extrusion manufacture more difficult.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of manufacturing process of conical sleeve, adopt multi-location cold extruding forming technique, produce the high-performing car spare and accessory parts that deflection is comparatively large, precision is high and complex-shaped, raw material almost free of losses in process, not only save raw material, reduce costs, enhance productivity and the mechanical performance of product, and the high quality that ensure that product of precision.For solving the problem, technical scheme of the present invention is as follows:
Steel billet materials is made dish circle material, then carry out phosphate surface process to dish circle material, essence takes out sizing processing, and the diameter that essence takes out the circle of the dish after sizing material is corresponding with the external diameter in the pipe portion of conical sleeve, comprises the following steps afterwards:
(1), by essence taking out the circle of the dish after sizing material delivers in Multistation cold upsetting formation machine drawing-inroller, becomes single conical sleeve blank by blank mould automatic shearing;
(2) mechanical clamp, is utilized the conical sleeve blank cut to be delivered to No. 1 die orifice of multi-functional position cold header, by the tool that rushes of No. 1 mould, the blank of conical sleeve is headed in the die of this mould, pressure is applied rushing on tool of No. 1 mould, carry out cold extrusion process, under the cooperation of rushing chamfering in the protruding chamfering in tool front end and die, the first locating slot or plane are gone out in the front end of the blank of conical sleeve, and bottom leveling also extrudes lead angle in edge, forms No. 1 blank;
(3), mechanical clamp is utilized to move to the die orifice of No. 2 moulds No. 1 blank, by the tool that rushes of No. 2 moulds, No. 1 blank is headed in the die of No. 2 moulds, pressure is applied rushing on tool of No. 2 moulds, carry out cold extrusion shaped process, No. 1 blank is gone out the first blind hole on the basis of described first locating slot or on the basis of described plane, and extend No. 1 blank, the degree of depth of the first blind hole is greater than the flat slot length of conical sleeve head, the diameter of the diameter of the first blind hole and the central through hole of conical sleeve is corresponding, forms No. 2 blanks;
(4), mechanical clamp is utilized to overturn 180 ° No. 2 blanks, move on to the die orifice of No. 3 moulds, by the tool that rushes of No. 3 moulds, No. 2 blanks are headed in the die of No. 3 moulds, pressure is applied rushing on tool of No. 3 moulds, carry out cold extrusion shaped process, by the contraction in length of No. 2 blanks to also shorter than the length of No. 1 blank, oblate that front end formation diameter is large compared with the diameter of No. 2 blanks, the height of oblate is greater than the height of the tapered cap of conical sleeve afterbody, the diameter of oblate is little compared with the maximum gauge of described tapered cap, the front end face of oblate is rushed out the second locating slot, form No. 3 blanks,
(5), mechanical clamp is utilized to move to the die orifice of No. 4 moulds No. 3 blanks, by the tool that rushes of No. 4 moulds, No. 3 blanks are headed in the die of No. 4 moulds, pressure is applied rushing on tool of No. 4 moulds, carry out cold extrusion shaped process, No. 3 blanks are gone out the second blind hole on the basis of described second locating slot, and extend No. 3 blanks to the length slightly larger than conical sleeve, and the round platform that the height forming more described oblate is bigger, second blind hole and the first blind hole coaxially isometrical, wall thickness between first blind hole and the second blind hole is satisfied rushes iron filings requirement, form No. 4 blanks,
(6), utilize mechanical clamp auto-translating to the die orifice of No. 5 moulds No. 4 blanks, by the tool that rushes of No. 5 moulds, No. 4 blanks are headed in the die of No. 5 moulds, pressure is applied rushing on tool of No. 5 moulds, carry out cold extrusion shaped process, form the tapered cap profile of conical sleeve afterbody No. 4 blank front portions, form No. 5 blanks;
(7), utilize mechanical clamp auto-translating to the die orifice of No. 6 moulds No. 5 blanks, by the tool that rushes of No. 6 moulds, No. 5 blanks are headed in the die of No. 6 moulds, pressure is applied rushing on tool of No. 6 moulds, carry out cold extrusion shaped process, go out the flat groove of conical sleeve head in the oral area both sides of the first blind hole of No. 5 blanks, form No. 6 blanks;
(8), utilize mechanical clamp auto-translating to the die orifice of No. 7 moulds No. 6 blanks, by the tool that rushes of No. 7 moulds, No. 6 blanks are headed in the die of No. 7 moulds, iron filings are rushed to No. 6 blanks, get through the first blind hole and the second blind hole, form the central through hole of conical sleeve, complete the cold extrusion shaped of conical sleeve.
Compared with the prior art, beneficial effect of the present invention is as follows:
(1), the present invention utilizes cold-stamped method, utilize the principle of metal plastic deformation, at normal temperatures powerful pressure is applied to the metal in extrusion die chamber, make it to extrude from the gap of nib or concave-convex mold, under the prerequisite not destroying metalline, make metal volume do plastic deformation;
(2), station is reasonable in design, 7 mould 7 punchings of the shaping cold extrusion die of multistation are utilized to share the resistance of deformation and mould bearing capacity that produce in deformation of products process, can produce the oval lining that deflection is larger, complex-shaped accurately, and speed of production only can reach 70-80 per minute;
(3), the present invention adopts the manufacture of cold-stamped method, the consumable quantity of blank is declined to a great extent, and stock utilization reaches 95%, and it is tightr to obtain materials microstructure through cold extrusion, tension, surrender, elongation, the every mechanical performance of impact are all better than machined, ensure that product quality.
Accompanying drawing explanation
Fig. 1 is process chart of the present invention, and wherein, the figure being in upper strata is the front view of conical sleeve blank, and the figure being in lower floor is the top view of conical sleeve blank.
Detailed description of the invention
With reference to accompanying drawing.First steel billet materials is made dish circle material by manufacturing process provided by the present invention, then phosphate surface process is carried out to dish circle material, essence takes out sizing processing, and the diameter that essence takes out the circle of the dish after sizing material is corresponding with the external diameter in the pipe portion of conical sleeve, comprises the following steps afterwards:
(1), by essence taking out the circle of the dish after sizing material delivers in Multistation cold upsetting formation machine drawing-inroller, becomes single conical sleeve blank by blank mould automatic shearing;
(2) mechanical clamp, is utilized the conical sleeve blank cut to be delivered to No. 1 die orifice of multi-functional position cold header, by the tool that rushes of No. 1 mould, the blank of conical sleeve is headed in the die of this mould, pressure is applied rushing on tool of No. 1 mould, carry out cold extrusion process, under the cooperation of rushing chamfering in the protruding chamfering in tool front end and die, the front end of the blank of conical sleeve is gone out the first locating slot 11 or plane, bottom leveling also extrudes lead angle 12 in edge, forms No. 1 blank 1;
(3), mechanical clamp is utilized to move to the die orifice of No. 2 moulds No. 1 blank, by the tool that rushes of No. 2 moulds, No. 1 blank is headed in the die of No. 2 moulds, pressure is applied rushing on tool of No. 2 moulds, carry out cold extrusion shaped process, No. 1 blank is gone out the first blind hole 21 on the basis of described first locating slot 11 or on the basis of described plane, and extend No. 1 blank, the degree of depth of the first blind hole 21 is greater than flat groove 73 length of conical sleeve head, the diameter of the diameter of the first blind hole and the central through hole 72 of conical sleeve is corresponding, also to be namely equal to or slightly less than or slightly larger than the diameter of central through hole 72, form No. 2 blanks 2,
(4), mechanical clamp is utilized to overturn 180 ° No. 2 blanks, move on to the die orifice of No. 3 moulds, by the tool that rushes of No. 3 moulds, No. 2 blanks are headed in the die of No. 3 moulds, pressure is applied rushing on tool of No. 3 moulds, carry out cold extrusion shaped process, by the contraction in length of No. 2 blanks 2 to also shorter than the length of No. 1 blank 1, oblate 31 that front end formation diameter is large compared with the diameter of No. 2 blanks, the height of oblate 31 is greater than the height of the tapered cap 71 of conical sleeve afterbody, the diameter of oblate 31 is little compared with the maximum gauge of described tapered cap 71, the front end face of oblate is rushed out the second locating slot 32, form No. 3 blanks 3,
(5), mechanical clamp is utilized to move to the die orifice of No. 4 moulds No. 3 blanks, by the tool that rushes of No. 4 moulds, No. 3 blanks are headed in the die of No. 4 moulds, pressure is applied rushing on tool of No. 4 moulds, carry out cold extrusion shaped process, No. 3 blanks are gone out the second blind hole 41 on the basis of described second locating slot 32, and extend No. 3 blanks to the length slightly larger than conical sleeve, and the round platform 42 that the height forming more oblate is bigger, make the shape of conical cap 71 mainly by the metal volume plastic deformation of round platform 42, second blind hole 41 and the first blind hole 21 coaxially isometrical, wall thickness 43 between first blind hole 21 and the second blind hole 41 is satisfied rushes iron filings requirement, form No. 4 blanks 4,
(6), utilize mechanical clamp auto-translating to the die orifice of No. 5 moulds No. 4 blanks, by the tool that rushes of No. 5 moulds, No. 4 blanks are headed in the die of No. 5 moulds, pressure is applied rushing on tool of No. 5 moulds, carry out cold extrusion shaped process, form tapered cap 71 profile of conical sleeve afterbody No. 4 blank front portions, form No. 5 blanks 5;
(7), utilize mechanical clamp auto-translating to the die orifice of No. 6 moulds No. 5 blanks, by the tool that rushes of No. 6 moulds, No. 5 blanks are headed in the die of No. 6 moulds, pressure is applied rushing on tool of No. 6 moulds, carry out cold extrusion shaped process, go out the flat groove 73 of conical sleeve head in the oral area both sides of the first blind hole of No. 5 blanks, form No. 6 blanks 6;
(8), utilize mechanical clamp auto-translating to the die orifice of No. 7 moulds No. 6 blanks, by the tool that rushes of No. 7 moulds, No. 6 blanks are headed in the die of No. 7 moulds, iron filings (wall thickness 43 namely between the first blind hole 21 and the second blind hole 41) are rushed to No. 6 blanks, get through the first blind hole and the second blind hole, form the central through hole 72 of conical sleeve, complete the cold extrusion shaped of conical sleeve 7.
Claims (1)
1. a manufacturing process for conical sleeve, is characterized in that: described conical sleeve main body is pipe portion, and afterbody is tapered cap, and the head of the central through hole of conical sleeve has two sections of symmetrical flat grooves;
Steel billet materials is made dish circle material by described manufacturing process, and then carry out phosphate surface process to dish circle material, essence takes out sizing processing, and the diameter that essence takes out the circle of the dish after sizing material is corresponding with the external diameter in the pipe portion of conical sleeve, comprises the following steps afterwards:
(1), by essence taking out the circle of the dish after sizing material delivers in Multistation cold upsetting formation machine drawing-inroller, becomes single conical sleeve blank by blank mould automatic shearing;
(2) mechanical clamp, is utilized the conical sleeve blank cut to be delivered to No. 1 die orifice of multi-functional position cold header, by the tool that rushes of No. 1 mould, the blank of conical sleeve is headed in the die of this mould, pressure is applied rushing on tool of No. 1 mould, carry out cold extrusion process, under the cooperation of rushing chamfering in the protruding chamfering in tool front end and die, the first locating slot or plane are gone out in the front end of the blank of conical sleeve, and bottom leveling also extrudes lead angle in edge, forms No. 1 blank;
(3), mechanical clamp is utilized to move to the die orifice of No. 2 moulds No. 1 blank, by the tool that rushes of No. 2 moulds, No. 1 blank is headed in the die of No. 2 moulds, pressure is applied rushing on tool of No. 2 moulds, carry out cold extrusion shaped process, No. 1 blank is gone out the first blind hole on the basis of described first locating slot or on the basis of described plane, and extend No. 1 blank, the degree of depth of the first blind hole is greater than the flat slot length of conical sleeve head, the diameter of the diameter of the first blind hole and the central through hole of conical sleeve is corresponding, forms No. 2 blanks;
(4), mechanical clamp is utilized to overturn 180 ° No. 2 blanks, move on to the die orifice of No. 3 moulds, by the tool that rushes of No. 3 moulds, No. 2 blanks are headed in the die of No. 3 moulds, pressure is applied rushing on tool of No. 3 moulds, carry out cold extrusion shaped process, by the contraction in length of No. 2 blanks to also shorter than the length of No. 1 blank, oblate that front end formation diameter is large compared with the diameter of No. 2 blanks, the height of oblate is greater than the height of the tapered cap of conical sleeve afterbody, the diameter of oblate is little compared with the maximum gauge of described tapered cap, the front end face of oblate is rushed out the second locating slot, form No. 3 blanks,
(5), mechanical clamp is utilized to move to the die orifice of No. 4 moulds No. 3 blanks, by the tool that rushes of No. 4 moulds, No. 3 blanks are headed in the die of No. 4 moulds, pressure is applied rushing on tool of No. 4 moulds, carry out cold extrusion shaped process, No. 3 blanks are gone out the second blind hole on the basis of described second locating slot, and extend No. 3 blanks to the length slightly larger than conical sleeve, and the round platform that the height forming more described oblate is bigger, second blind hole and the first blind hole coaxially isometrical, wall thickness between first blind hole and the second blind hole is satisfied rushes iron filings requirement, form No. 4 blanks,
(6), utilize mechanical clamp auto-translating to the die orifice of No. 5 moulds No. 4 blanks, by the tool that rushes of No. 5 moulds, No. 4 blanks are headed in the die of No. 5 moulds, pressure is applied rushing on tool of No. 5 moulds, carry out cold extrusion shaped process, form the tapered cap profile of conical sleeve afterbody No. 4 blank front portions, form No. 5 blanks;
(7), utilize mechanical clamp auto-translating to the die orifice of No. 6 moulds No. 5 blanks, by the tool that rushes of No. 6 moulds, No. 5 blanks are headed in the die of No. 6 moulds, pressure is applied rushing on tool of No. 6 moulds, carry out cold extrusion shaped process, go out the flat groove of conical sleeve head in the oral area both sides of the first blind hole of No. 5 blanks, form No. 6 blanks;
(8), utilize mechanical clamp auto-translating to the die orifice of No. 7 moulds No. 6 blanks, by the tool that rushes of No. 7 moulds, No. 6 blanks are headed in the die of No. 7 moulds, iron filings are rushed to No. 6 blanks, get through the first blind hole and the second blind hole, form the central through hole of conical sleeve, complete the cold extrusion shaped of conical sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310077229.0A CN103143580B (en) | 2013-03-12 | 2013-03-12 | Manufacturing process of conical sleeve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310077229.0A CN103143580B (en) | 2013-03-12 | 2013-03-12 | Manufacturing process of conical sleeve |
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| CN103143580A CN103143580A (en) | 2013-06-12 |
| CN103143580B true CN103143580B (en) | 2015-05-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104646966B (en) * | 2015-02-11 | 2017-05-31 | 宁波安拓实业有限公司 | The manufacture method of igniter case |
| CN106475504A (en) * | 2015-08-25 | 2017-03-08 | 上海精拓模具制造有限公司 | A kind of one-shot forming technique of employing Huff die cold-heading I-shaped product with holes |
| CN106623744B (en) * | 2016-12-29 | 2018-08-24 | 兴化市鑫翔机械有限公司 | A kind of 31 tooth slidably engages the cold Warm Extrusion preparation process of set engaging tooth |
| CN108031780B (en) * | 2018-01-12 | 2019-07-23 | 上海裴椒汽车部件制造有限公司 | A kind of flange head connector cold heading technique and its cold upsetting die of car |
| CN108422155A (en) * | 2018-02-26 | 2018-08-21 | 乐清市强特紧固件制造有限公司 | A kind of processing technology being exclusively used in hollow nut |
| CN109226655A (en) * | 2018-10-26 | 2019-01-18 | 广州小出钢管有限公司 | A kind of processing method of the automobile shock flat recess with tooth flanged pipe |
| CN109226654A (en) * | 2018-10-26 | 2019-01-18 | 广州小出钢管有限公司 | A kind of processing method of the automobile shock flat recess with tooth pipe |
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| US4509353A (en) * | 1982-03-23 | 1985-04-09 | Nissan Motor Company, Limited | Method of and apparatus for forming gears |
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| CN102125943A (en) * | 2010-11-29 | 2011-07-20 | 宁波安拓实业有限公司 | Manufacturing process of hose coupling |
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| JPS61296937A (en) * | 1985-06-25 | 1986-12-27 | Toyota Motor Corp | Forging method for cylindrical parts |
| JP2004092548A (en) * | 2002-08-30 | 2004-03-25 | Taiho Kogyo Co Ltd | Method for manufacturing bearing body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4509353A (en) * | 1982-03-23 | 1985-04-09 | Nissan Motor Company, Limited | Method of and apparatus for forming gears |
| CN101172326A (en) * | 2006-10-31 | 2008-05-07 | 吴秀珠 | Method for producing angle pin casing tube |
| CN101618421A (en) * | 2009-07-17 | 2010-01-06 | 宁波安拓实业有限公司 | Multi-station cold-heading molding method of clutch conical blank |
| CN101607273A (en) * | 2009-07-23 | 2009-12-23 | 宁波安拓实业有限公司 | The multistation cold extrusion forming method of extruded sleeve |
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