CN103028626B - Manufacture process of elliptic lining - Google Patents
Manufacture process of elliptic lining Download PDFInfo
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- CN103028626B CN103028626B CN201210568548.7A CN201210568548A CN103028626B CN 103028626 B CN103028626 B CN 103028626B CN 201210568548 A CN201210568548 A CN 201210568548A CN 103028626 B CN103028626 B CN 103028626B
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Abstract
The invention discloses a manufacture process of an elliptic lining. A billet raw material is made into a disk material, then the disk material is subjected to phosphate surface treatment, the rough-pumped disk material is respectively subjected to spheroidizing annealing, bonderizing and fine-pumped ellipse sizing treatment, and finally the forming process of the elliptic lining is completed in a cold heading forming machine. The forming process of the elliptic lining comprises the following steps: shearing the material; integrally upsetting the materials and upsetting out an angle R at the bottom; turning the material, and integrally upsetting out upper and lower ellipses which are vertically coaxial and is in the same direction; translating the material, and upsetting a counter bore; translating the material to discharge residual iron scraps; translating the material, and upsetting platforms at the connecting positions of the upper and lower ellipses; translating the material, and extruding out sawteeth with large end surfaces; and translating the material, upsetting indents at the connecting positions of the upper and lower ellipses, and manufacturing the finished product of the elliptic lining. The multi-station cold extrusion forming process is adopted, the production efficiency and the product precision requirement of the elliptic lining are increased, the raw material is saved, and the production cost is reduced.
Description
Technical field
The present invention relates to a kind of manufacturing process of oval lining.
Background technology
Oval lining is the welding lining on automobile chassis propons, above device engine, be a supporting important accessory on Adui, at present according to the sales volume situation of Adui on market, on market, the demand of this product is very big.The profile of oval lining blank is: front portion is large cylindroid, rear portion is little cylindroid, and inside is a through elliptical aperture, and three oval centers are coaxial, and must there be platform indent size cylindroid junction, large cylindroid end face has a circle sawtooth along elliptical aperture.This require for manufacture difficulty very large.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of manufacturing process of oval lining, adopt multistation cold extruding formation process, 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 phosphate surface process is carried out to dish circle material, slightly be pumped into the dish circle material of cross section ovalize, then the dish circle material after slightly taking out taken out oval sizing processing respectively through spheroidizing, phosphate coating process, essence, comprise the following steps afterwards:
(1), essence is taken out oval sizing after dish circle material send in Multistation cold upsetting formation machine by drawing-inroller, become single oval lining blank by blank mould automatic shearing;
(2), utilize mechanical clamp that the oval lining blank cut is delivered to No. 1 die orifice of Multistation cold upsetting formation machine, by the tool that rushes of No. 1 mould, the blank of oval lining is headed in the die of this mould, rush tool and apply pressure, carry out cold extrusion process, under the cooperation of rushing chamfering in the protruding chamfering in tool front end and die, locating slot is gone out in the front end of the blank of oval lining, and bottom leveling also extrudes chamfering in edge, forms No. 1 blank;
(3), No. 1 blank is utilized mechanical clamp automatic turning 180 °, deliver to the die orifice of No. 2 moulds, to rush in die that No. 1 blank to head into No. 2 moulds by tool and to withstand No. 1 blank by backlash tool by No. 2 moulds, pressure is applied rushing on tool of No. 2 moulds, the ellipse setting coordinating die coaxial up and down, carry out cold extrusion shaped, size cylindroid coaxial before and after stamping out, large cylindroid and little cylindroid junction chamfered transition, and make locating slot in front end, size cylindroid cross section outline is consistent respectively with little cylindroid oval outline with the large cylindroid of oval lining, form No. 2 blanks,
(4), mechanical clamp is utilized to move to the die orifice of No. 3 moulds No. 2 blanks, to rush in die that No. 2 blanks to head into No. 3 moulds by tool and to withstand No. 2 blanks by backlash tool by No. 3 moulds, the elliptical shape rushing tool of No. 3 moulds and the rear of front end is utilized to steal type bundle bar, apply pressure rushing on tool, carry out cold extrusion shaped, coordinate die, going out cross section backward from the front end of No. 2 blanks is oval counterbore, the cross-sectional profiles of counterbore is consistent with the cross-sectional profiles of the elliptical aperture of oval lining, counterbore base is close to No. 3 blank rear ends, counterbore base thickness meets the requirement that step (6) rushes iron filings, and it is consistent with the length of oval lining to total length to extend blank, large cylindroid and the little cylindroid length of large cylindroid and little cylindroid length and oval lining are close, form No. 3 blanks,
(5), mechanical clamp is utilized to move to the die orifice of No. 4 moulds No. 3 blanks, to rush in die that No. 3 blanks to head into No. 4 moulds by tool and to withstand No. 3 blanks by backlash tool by No. 4 moulds, apply pressure rushing on tool, coordinate the platform in die, carry out cold extrusion shaped, extrude the platform of anterior large cylindroid and little cylindroid junction, rear portion, 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, withstood by the backlash tool of No. 5 moulds, preshoot tool applies pressure, make preshoot tool drive blank to move down, ejected the residual scrap iron of rear end by backlash tool, counterbore is got through, form the center elliptical aperture of oval lining, 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, toothing is done by rushing tool front end, apply pressure rushing on tool, carry out cold extrusion shaped, extrude the consistent profile of tooth of shape size in blank front end, form the circle sawtooth of large cylindroid end face along elliptical aperture of oval lining, 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, apply pressure rushing on tool, coordinate the ramp down angle of die internal projection, carry out cold extrusion shaped, extrude the platform indent of the little cylindroid junction of the large cylindroid in front portion and rear portion of oval lining, make the oval lining of final molding.
Compared with the prior art, beneficial effect of the present invention is as follows:
(1), the present invention mainly 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, thus obtain a kind of few processing mode cut of required part, and easily realize mechanization and automated production;
(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 upward view of oval lining blank, and the figure being in middle level is the front view of oval lining blank, and the figure being in lower floor is the top view of oval lining blank.
Detailed description of the invention
With reference to accompanying drawing 1.The manufacturing process of oval lining provided by the present invention, first steel billet materials is made dish circle material, then phosphate surface process is carried out to dish circle material, slightly be pumped into the dish circle material of cross section ovalize, again the dish circle material after slightly taking out is taken out oval sizing processing respectively through spheroidizing, phosphate coating process, essence, comprises the following steps afterwards:
(1), essence is taken out oval sizing after dish circle material send in Multistation cold upsetting formation machine by drawing-inroller, become single oval lining blank A by blank mould automatic shearing;
(2), utilize mechanical clamp that the oval lining blank A cut is delivered to No. 1 die orifice of Multistation cold upsetting formation machine, by the tool that rushes of No. 1 mould, the blank A of oval lining is headed in the die of this mould, rush tool and apply pressure, carry out cold extrusion process, under the cooperation of rushing chamfering in the protruding chamfering in tool front end and die, locating slot 11 is gone out in the front end of the blank of oval lining, and bottom leveling also extrudes chamfering 12 in edge, forms No. 1 blank 1;
(3), No. 1 blank 1 is utilized mechanical clamp automatic turning 180 °, deliver to the die orifice of No. 2 moulds, to rush in die that No. 1 blank 1 to head into No. 2 moulds by tool and to withstand No. 1 blank by backlash tool by No. 2 moulds, pressure is applied rushing on tool of No. 2 moulds, the ellipse setting coordinating die coaxial up and down, carry out cold extrusion shaped, size cylindroid coaxial before and after stamping out, wherein drawing reference numeral 21 is large cylindroid, drawing reference numeral 22 is little cylindroid, large cylindroid and little cylindroid junction chamfered transition 23, and make locating slot 24 in front end, size cylindroid cross section outline is consistent with the large cylindroid 41 of oval lining and the oval outline difference of little cylindroid 42, form No. 2 blanks,
(4), mechanical clamp is utilized to move to the die orifice of No. 3 moulds No. 2 blanks 2, to rush in die that No. 2 blanks to head into No. 3 moulds by tool and to withstand No. 2 blanks by backlash tool by No. 3 moulds, the elliptical shape rushing tool of No. 3 moulds and the rear of front end is utilized to steal type bundle bar, apply pressure rushing on tool, carry out cold extrusion shaped, coordinate die, going out cross section backward from the front end of No. 2 blanks is oval counterbore 33, the cross-sectional profiles of counterbore 33 is consistent with the cross-sectional profiles of the elliptical aperture 51 of oval lining, counterbore base is close to No. 3 blank rear ends, the thickness of counterbore base 34 meets the requirement that step (6) rushes iron filings, and it is consistent with the length of oval lining to total length to extend blank, the length of the length of large cylindroid 31 and little cylindroid 32 and the large cylindroid 41 of oval lining and little cylindroid 42 is close, form No. 3 blanks,
(5), mechanical clamp is utilized to move to the die orifice of No. 4 moulds No. 3 blanks 3, to rush in die that No. 3 blanks to head into No. 4 moulds by tool and to withstand No. 3 blanks by backlash tool by No. 4 moulds, apply pressure rushing on tool, coordinate the platform in die, carry out cold extrusion shaped, extrude the platform 43 of anterior large cylindroid and little cylindroid junction, rear portion, make large cylindroid 41 consistent with the length of the large cylindroid 41 of oval lining and little cylindroid 42 with the length of little cylindroid 42, form No. 4 blanks 4;
(6), utilize mechanical clamp auto-translating to the die orifice of No. 5 moulds No. 4 blanks 4, by the tool that rushes of No. 5 moulds, No. 4 blanks are headed in the die of No. 5 moulds, withstood by the backlash tool of No. 5 moulds, preshoot tool applies pressure, make preshoot tool drive blank to move down, ejected the residual scrap iron of rear end by backlash tool, counterbore 33 is got through, form the center elliptical aperture 51 of oval lining, form No. 5 blanks;
(7), utilize mechanical clamp auto-translating to the die orifice of No. 6 moulds No. 5 blanks 5, by the tool that rushes of No. 6 moulds, No. 5 blanks are headed in the die of No. 6 moulds, toothing is done by rushing tool front end, apply pressure rushing on tool, carry out cold extrusion shaped, extrude the consistent profile of tooth of shape size in blank front end, form the circle sawtooth 61 of large cylindroid end face along elliptical aperture of oval lining, form No. 6 blanks 6;
(8), utilize mechanical clamp auto-translating to the die orifice of No. 7 moulds No. 6 blanks 6, by the tool that rushes of No. 7 moulds, No. 6 blanks are headed in the die of No. 7 moulds, apply pressure rushing on tool, coordinate the ramp down angle of die internal projection, carry out cold extrusion shaped, extrude the platform indent 71 of the little cylindroid junction of the large cylindroid in front portion and rear portion of oval lining, make the oval lining 7 of final molding.
Claims (1)
1. the manufacturing process of an oval lining, the profile of described oval lining is: front portion is large cylindroid, rear portion is little cylindroid, inside is a through elliptical aperture, three oval centers are coaxial, and must there be platform indent size cylindroid junction, large cylindroid end face has a circle sawtooth along elliptical aperture;
Steel billet materials is made dish circle material by described manufacturing process, then phosphate surface process is carried out to dish circle material, slightly be pumped into the dish circle material of cross section ovalize, again the dish circle material after slightly taking out is taken out oval sizing processing respectively through spheroidizing, phosphate coating process, essence, comprises the following steps afterwards:
(1), essence is taken out oval sizing after dish circle material send in Multistation cold upsetting formation machine by drawing-inroller, become single oval lining blank by blank mould automatic shearing;
(2), utilize mechanical clamp that the oval lining blank cut is delivered to No. 1 die orifice of Multistation cold upsetting formation machine, by the tool that rushes of No. 1 mould, the blank of oval lining is headed in the die of this mould, rush tool and apply pressure, carry out cold extrusion process, under the cooperation of rushing chamfering in the protruding chamfering in tool front end and die, locating slot is gone out in the front end of the blank of oval lining, and bottom leveling also extrudes chamfering in edge, forms No. 1 blank;
(3), No. 1 blank is utilized mechanical clamp automatic turning 180 °, deliver to the die orifice of No. 2 moulds, to rush in die that No. 1 blank to head into No. 2 moulds by tool and to withstand No. 1 blank by backlash tool by No. 2 moulds, pressure is applied rushing on tool of No. 2 moulds, the ellipse setting coordinating die coaxial up and down, carry out cold extrusion shaped, size cylindroid coaxial before and after stamping out, large cylindroid and little cylindroid junction chamfered transition, and make locating slot in front end, size cylindroid cross section outline is consistent respectively with little cylindroid oval outline with the large cylindroid of oval lining, form No. 2 blanks,
(4), mechanical clamp is utilized to move to the die orifice of No. 3 moulds No. 2 blanks, to rush in die that No. 2 blanks to head into No. 3 moulds by tool and to withstand No. 2 blanks by backlash tool by No. 3 moulds, the elliptical shape rushing tool of No. 3 moulds and the rear of front end is utilized to steal type bundle bar, apply pressure rushing on tool, carry out cold extrusion shaped, coordinate die, going out cross section backward from the front end of No. 2 blanks is oval counterbore, the cross-sectional profiles of counterbore is consistent with the cross-sectional profiles of the elliptical aperture of oval lining, counterbore base is close to No. 3 blank rear ends, counterbore base thickness meets the requirement that step (6) rushes iron filings, and it is consistent with the length of oval lining to total length to extend blank, large cylindroid and the little cylindroid length of large cylindroid and little cylindroid length and oval lining are close, form No. 3 blanks,
(5), mechanical clamp is utilized to move to the die orifice of No. 4 moulds No. 3 blanks, to rush in die that No. 3 blanks to head into No. 4 moulds by tool and to withstand No. 3 blanks by backlash tool by No. 4 moulds, apply pressure rushing on tool, coordinate the platform in die, carry out cold extrusion shaped, extrude the platform of anterior large cylindroid and little cylindroid junction, rear portion, 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, withstood by the backlash tool of No. 5 moulds, preshoot tool applies pressure, make preshoot tool drive blank to move down, ejected the residual scrap iron of rear end by backlash tool, counterbore is got through, form the center elliptical aperture of oval lining, 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, toothing is done by rushing tool front end, apply pressure rushing on tool, carry out cold extrusion shaped, extrude the consistent profile of tooth of shape size in blank front end, form the circle sawtooth of large cylindroid end face along elliptical aperture of oval lining, 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, apply pressure rushing on tool, coordinate the ramp down angle of die internal projection, carry out cold extrusion shaped, extrude the platform indent of the little cylindroid junction of the large cylindroid in front portion and rear portion of oval lining, make the oval lining of final molding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210568548.7A CN103028626B (en) | 2012-12-24 | 2012-12-24 | Manufacture process of elliptic lining |
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| CN201210568548.7A CN103028626B (en) | 2012-12-24 | 2012-12-24 | Manufacture process of elliptic lining |
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| CN103028626B true CN103028626B (en) | 2015-04-22 |
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| CN103212600B (en) * | 2013-04-16 | 2015-04-22 | 宁波安拓实业有限公司 | Manufacture method of inner sleeve |
| CN103302452A (en) * | 2013-05-22 | 2013-09-18 | 江汉大学 | Device and method for processing copper body of thin wall of temperature adjusting device |
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| CN109226653A (en) * | 2018-10-26 | 2019-01-18 | 广州小出钢管有限公司 | A kind of processing method of automobile chassis ellipse welded tube part |
| CN109848361B (en) * | 2019-03-20 | 2020-04-14 | 宁波安拓实业有限公司 | Method for manufacturing T-shaped elliptical inner sleeve blank for automobile |
| CN112443552A (en) * | 2019-09-04 | 2021-03-05 | 浙江吉利汽车研究院有限公司 | Rivet nut |
| CN114453845A (en) * | 2022-03-03 | 2022-05-10 | 襄阳佰誉机械有限公司 | Machining process for high-precision deformation-resistant non-standard bushing |
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| GB1075685A (en) * | 1965-04-01 | 1967-07-12 | Hertford Prec Engineers Ltd | Connector sleeves |
| 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 |
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