CN103028626A - Manufacture process of elliptic lining - Google Patents
Manufacture process of elliptic lining Download PDFInfo
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- CN103028626A CN103028626A CN2012105685487A CN201210568548A CN103028626A CN 103028626 A CN103028626 A CN 103028626A CN 2012105685487 A CN2012105685487 A CN 2012105685487A CN 201210568548 A CN201210568548 A CN 201210568548A CN 103028626 A CN103028626 A CN 103028626A
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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 the automobile chassis propons, and the above installs engine, is a supporting important accessory on Adui, and according to the sales volume situation of Adui on the market, the demand of this product is very big on the market at present.The profile of oval lining blank is: the front portion is large cylindroid, the rear portion is little cylindroid, and inside is the elliptical aperture of a perforation, and the center of three ellipses is coaxial, and must there be the platform indent big or small cylindroid junction, and large cylindroid end face has a circle sawtooth along elliptical aperture.This requirement difficulty for making is very large.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of manufacturing process of oval lining, adopt multi-location cold extruding forming technique, produce that deflection is large, the high and complex-shaped high-performing car spare and accessory parts of precision, almost free of losses of raw material in process, not only saved raw material, reduce cost, enhanced productivity and the mechanical performance of product, and the precision height guaranteed the quality of product.For addressing the above problem, technical scheme of the present invention is as follows:
Steel billet materials is made dish circle material, then carry out the phosphate surface treatment to coiling the circle material, slightly be pumped into the round material of dish of cross section ovalize, the dish circle material after will slightly taking out is again taken out oval sizing processing through spheroidizing, phosphate coating processing, essence respectively, may further comprise the steps afterwards:
(1), dish circle material that essence is taken out behind the oval sizing send in the Multistation cold upsetting formation machine by drawing-inroller, becomes single oval lining blank by blank mould automatic shearing;
(2), the oval lining blank that utilizes mechanical clamp to cut is delivered to No. 1 die orifice of multi-functional position cold header, the tool that rushes by No. 1 mould heads into the blank of oval lining in the die of this mould, rushing tool exerts pressure, carrying out cold extrusion processes, in rushing tool front end projection chamfering and die under the cooperation of chamfering, the front end of the blank of oval lining is gone out locating slot, and the bottom leveling also extrudes lead angle in edge, forms No. 1 blank;
(3), No. 1 blank is utilized 180 ° of mechanical clamp automatic turnings, deliver to the die orifice of No. 2 moulds, withstand blank No. 1 by rushing in the die that tool heads into No. 1 blank on No. 2 moulds and by the backlash tool of No. 2 moulds, the tool that rushes at No. 2 moulds is exerted pressure, coaxial ellipse formalizes about cooperating die, carry out cold extrusion shaped, stamp out the coaxial big or small cylindroid in front and back, large cylindroid and little cylindroid junction chamfered transition, and make locating slot at front end, the cross section outline that size is oval and the large cylindroid of oval lining are consistent respectively with little cylindroid oval outline, form No. 2 blank;
(4), utilize mechanical clamp to move to the die orifice of No. 3 moulds No. 2 blanks, withstand blank No. 2 by rushing in the die that tool heads into No. 2 blanks on No. 3 moulds and by the backlash tool of No. 3 moulds, utilize the elliptical shape that rushes tool of No. 3 moulds and the rear type bundle bar of stealing of front end, exert pressure rushing tool, carry out cold extrusion shaped, cooperate die, going out backward cross section from the front end of No. 2 blanks is oval-shaped counterbore, the cross-sectional profiles of counterbore is consistent with the cross-sectional profiles of the elliptical aperture of oval lining, the counterbore bottom is near No. 3 blank rear ends, the counterbore bottom thickness satisfies the requirement that step (6) is rushed iron filings, and it is consistent to the length of total length and oval lining to prolong blank, large cylindroid and the little cylindroid length of large cylindroid and little cylindroid length and oval lining approach, and form No. 3 blank;
(5), utilize mechanical clamp to move to the die orifice of No. 4 moulds No. 3 blanks, withstand blank No. 3 by rushing in the die that tool heads into No. 3 blanks on No. 4 moulds and by the backlash tool of No. 4 moulds, exert pressure rushing tool, cooperate the platform in the die, carry out cold extrusion shaped, extrude the platform of anterior large cylindroid and little cylindroid junction, rear portion, form No. 4 blank;
(6), No. 4 blanks are utilized the die orifice of mechanical clamp auto-translating to 5 mould, the tool that rushes by No. 5 moulds heads into No. 4 blanks in the die of No. 5 moulds, backlash tool by No. 5 moulds withstands, exert pressure at the preshoot tool, make the preshoot tool drive blank and move down, eject the residual scrap iron of rear end by the backlash tool, counterbore is got through, form the center elliptical aperture of oval lining, form No. 5 blank;
(7), No. 5 blanks are utilized the die orifice of mechanical clamp auto-translating to 6 mould, the tool that rushes by No. 6 moulds heads into No. 5 blanks in the die of No. 6 moulds, to rush the tool front end and do toothing, exert pressure rushing tool, carry out cold extrusion shaped, extrude the consistent profile of tooth of shape size at the blank front end, form the large cylindroid end face of oval lining along a circle sawtooth of elliptical aperture, form No. 6 blank;
(8), No. 6 blanks are utilized the die orifice of mechanical clamp auto-translating to 7 mould, the tool that rushes by No. 7 moulds heads into No. 6 blanks in the die of No. 7 moulds, exert pressure rushing tool, the oblique chamfering that cooperates the die internal projection, carry out cold extrusion shaped, extrude the platform indent of the anterior large oval and little oval junction, 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 the cold-stamped method, utilize the principle of metal plastic deformation, at normal temperatures the metal in the extrusion die chamber is applied powerful pressure, make it from the gap of nib or concave-convex mold, to extrude, under the prerequisite of not destroying metalline, make metal volume do plastic deformation, thereby obtain the processing mode of a kind of few cutting of required part, and realize easily mechanization and automated production;
(2), station is reasonable in design, utilize 7 moulds, 7 punchings of multi-functional position moulding cold extrusion die to share resistance of deformation and the mould bearing capacity that produces in the deformation of products process, can produce accurately larger, the complex-shaped oval lining of deflection, and speed of production only can reach per minute 70-80;
(3), the present invention adopts the manufacturing of cold-stamped method, so that the consumable quantity of blank declines to a great extent, stock utilization reaches 95%, and it is tightr to get materials microstructure through cold extrusion, tension, surrender, elongation, the every mechanical performance of impact all are better than machined, have guaranteed product quality.
Description of drawings
Fig. 1 is process chart of the present invention, and wherein, the figure that is in the upper strata is the upward view of oval lining blank, and the figure that is in the middle level is the front view of oval lining blank, and the figure that is in lower floor is the top view of oval lining blank.
The specific embodiment
With reference to accompanying drawing 1.The manufacturing process of oval lining provided by the present invention, at first steel billet materials is made dish circle material, then carry out the phosphate surface treatment to coiling the circle material, slightly be pumped into the dish circle material of cross section ovalize, dish circle material after will slightly taking out is again taken out oval sizing processing through spheroidizing, phosphate coating processing, essence respectively, may further comprise the steps afterwards:
(1), dish circle material that essence is taken out behind the oval sizing send in the Multistation cold upsetting formation machine by drawing-inroller, becomes single oval lining blank A by blank mould automatic shearing;
(2), the oval lining blank A that utilizes mechanical clamp to cut delivers to No. 1 die orifice of multi-functional position cold header, the tool that rushes by No. 1 mould heads into the blank A of oval lining in the die of this mould, rushing tool exerts pressure, carrying out cold extrusion processes, in rushing tool front end projection chamfering and die under the cooperation of chamfering, the front end of the blank of oval lining is gone out locating slot 11, and the bottom leveling also extrudes lead angle 12 in edge, forms No. 1 blank 1;
(3), No. 1 blank 1 is utilized 180 ° of mechanical clamp automatic turnings, deliver to the die orifice of No. 2 moulds, withstand blank No. 1 by rushing in the die that tool heads into No. 1 blank 1 on No. 2 moulds and by the backlash tool of No. 2 moulds, the tool that rushes at No. 2 moulds is exerted pressure, coaxial ellipse formalizes about cooperating die, carry out cold extrusion shaped, stamp out the coaxial big or small cylindroid in front and back, 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 at front end, the oval outline of the cross section outline that size is oval and the large cylindroid 41 of oval lining and little cylindroid 42 is consistent respectively, forms No. 2 blank;
(4), utilize mechanical clamp to move to the die orifice of No. 3 moulds No. 2 blanks 2, withstand blank No. 2 by rushing in the die that tool heads into No. 2 blanks on No. 3 moulds and by the backlash tool of No. 3 moulds, utilize the elliptical shape that rushes tool of No. 3 moulds and the rear type bundle bar of stealing of front end, exert pressure rushing tool, carry out cold extrusion shaped, cooperate die, going out backward cross section from the front end of No. 2 blanks is oval-shaped counterbore 33, the cross-sectional profiles of counterbore 33 is consistent with the cross-sectional profiles of the elliptical aperture of oval lining 51, the counterbore bottom is near No. 3 blank rear ends, the thickness of counterbore bottom 34 satisfies the requirement that step (6) is rushed iron filings, and it is consistent to the length of total length and oval lining to prolong 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 approaches, and forms No. 3 blank;
(5), utilize mechanical clamp to move to the die orifice of No. 4 moulds No. 3 blanks 3, withstand blank No. 3 by rushing in the die that tool heads into No. 3 blanks on No. 4 moulds and by the backlash tool of No. 4 moulds, exert pressure rushing tool, cooperate the platform in the die, carry out cold extrusion shaped, extrude the platform 43 of anterior large cylindroid and little cylindroid junction, rear portion, the length that makes large cylindroid 41 and little cylindroid 42 is consistent with the length of the large cylindroid 41 of oval lining and little cylindroid 42, forms No. 4 blank 4;
(6), No. 4 blanks 4 are utilized the die orifice of mechanical clamp auto-translating to 5 mould, the tool that rushes by No. 5 moulds heads into No. 4 blanks in the die of No. 5 moulds, backlash tool by No. 5 moulds withstands, exert pressure at the preshoot tool, make the preshoot tool drive blank and move down, eject the residual scrap iron of rear end by the backlash tool, counterbore 33 is got through, form the center elliptical aperture 51 of oval lining, form No. 5 blank;
(7), No. 5 blanks 5 are utilized the die orifice of mechanical clamp auto-translating to 6 mould, the tool that rushes by No. 6 moulds heads into No. 5 blanks in the die of No. 6 moulds, to rush the tool front end and do toothing, exert pressure rushing tool, carry out cold extrusion shaped, extrude the consistent profile of tooth of shape size at the blank front end, form the large cylindroid end face of oval lining along a circle sawtooth 61 of elliptical aperture, form No. 6 blank 6;
(8), No. 6 blanks 6 are utilized the die orifice of mechanical clamp auto-translating to 7 mould, the tool that rushes by No. 7 moulds heads into No. 6 blanks in the die of No. 7 moulds, exert pressure rushing tool, the oblique chamfering that cooperates the die internal projection, carry out cold extrusion shaped, extrude the platform indent 71 of the anterior large oval and little oval junction, rear portion of oval lining, make the oval lining 7 of final molding.
Claims (1)
1. the manufacturing process of an oval lining, steel billet materials is made dish circle material, then carry out the phosphate surface treatment to coiling the circle material, slightly be pumped into the dish circle material of cross section ovalize, dish circle material after will slightly taking out is again taken out oval sizing processing through spheroidizing, phosphate coating processing, essence respectively, may further comprise the steps afterwards:
(1), dish circle material that essence is taken out behind the oval sizing send in the Multistation cold upsetting formation machine by drawing-inroller, becomes single oval lining blank by blank mould automatic shearing;
(2), the oval lining blank that utilizes mechanical clamp to cut is delivered to No. 1 die orifice of multi-functional position cold header, the tool that rushes by No. 1 mould heads into the blank of oval lining in the die of this mould, rushing tool exerts pressure, carrying out cold extrusion processes, in rushing tool front end projection chamfering and die under the cooperation of chamfering, the front end of the blank of oval lining is gone out locating slot, and the bottom leveling also extrudes lead angle in edge, forms No. 1 blank;
(3), No. 1 blank is utilized 180 ° of mechanical clamp automatic turnings, deliver to the die orifice of No. 2 moulds, withstand blank No. 1 by rushing in the die that tool heads into No. 1 blank on No. 2 moulds and by the backlash tool of No. 2 moulds, the tool that rushes at No. 2 moulds is exerted pressure, coaxial ellipse formalizes about cooperating die, carry out cold extrusion shaped, stamp out the coaxial big or small cylindroid in front and back, large cylindroid and little cylindroid junction chamfered transition, and make locating slot at front end, the cross section outline that size is oval and the large cylindroid of oval lining are consistent respectively with little cylindroid oval outline, form No. 2 blank;
(4), utilize mechanical clamp to move to the die orifice of No. 3 moulds No. 2 blanks, withstand blank No. 2 by rushing in the die that tool heads into No. 2 blanks on No. 3 moulds and by the backlash tool of No. 3 moulds, utilize the elliptical shape that rushes tool of No. 3 moulds and the rear type bundle bar of stealing of front end, exert pressure rushing tool, carry out cold extrusion shaped, cooperate die, going out backward cross section from the front end of No. 2 blanks is oval-shaped counterbore, the cross-sectional profiles of counterbore is consistent with the cross-sectional profiles of the elliptical aperture of oval lining, the counterbore bottom is near No. 3 blank rear ends, the counterbore bottom thickness satisfies the requirement that step (6) is rushed iron filings, and it is consistent to the length of total length and oval lining to prolong blank, large cylindroid and the little cylindroid length of large cylindroid and little cylindroid length and oval lining approach, and form No. 3 blank;
(5), utilize mechanical clamp to move to the die orifice of No. 4 moulds No. 3 blanks, withstand blank No. 3 by rushing in the die that tool heads into No. 3 blanks on No. 4 moulds and by the backlash tool of No. 4 moulds, exert pressure rushing tool, cooperate the platform in the die, carry out cold extrusion shaped, extrude the platform of anterior large cylindroid and little cylindroid junction, rear portion, form No. 4 blank;
(6), No. 4 blanks are utilized the die orifice of mechanical clamp auto-translating to 5 mould, the tool that rushes by No. 5 moulds heads into No. 4 blanks in the die of No. 5 moulds, backlash tool by No. 5 moulds withstands, exert pressure at the preshoot tool, make the preshoot tool drive blank and move down, eject the residual scrap iron of rear end by the backlash tool, counterbore is got through, form the center elliptical aperture of oval lining, form No. 5 blank;
(7), No. 5 blanks are utilized the die orifice of mechanical clamp auto-translating to 6 mould, the tool that rushes by No. 6 moulds heads into No. 5 blanks in the die of No. 6 moulds, to rush the tool front end and do toothing, exert pressure rushing tool, carry out cold extrusion shapedly, extrude the consistent profile of tooth of shape size at the blank front end, form the large cylindroid end face of oval lining along a circle sawtooth of elliptical aperture, form No. 6 blank;
(8), No. 6 blanks are utilized the die orifice of mechanical clamp auto-translating to 7 mould, the tool that rushes by No. 7 moulds heads into No. 6 blanks in the die of No. 7 moulds, exert pressure rushing tool, the oblique chamfering that cooperates the die internal projection, carry out cold extrusion shaped, extrude the platform indent of the anterior large oval and little oval junction, 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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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103212600A (en) * | 2013-04-16 | 2013-07-24 | 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 |
| CN106346203A (en) * | 2016-10-11 | 2017-01-25 | 东莞市东盛迪密封制品有限公司 | Inner bushing framework manufacturing method |
| 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 |
| CN109848361A (en) * | 2019-03-20 | 2019-06-07 | 宁波安拓实业有限公司 | The manufacturing method of automobile T-type ellipse inner sleeve blank |
| 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 |
| CN115055626A (en) * | 2022-06-23 | 2022-09-16 | 宁波安拓实业有限公司 | Six-station cold extrusion manufacturing method of toothed connection inner pipe for automobile transmission system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103212600A (en) * | 2013-04-16 | 2013-07-24 | 宁波安拓实业有限公司 | Manufacture method of inner sleeve |
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| 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 |
| CN106346203A (en) * | 2016-10-11 | 2017-01-25 | 东莞市东盛迪密封制品有限公司 | Inner bushing framework manufacturing method |
| 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 |
| CN109848361A (en) * | 2019-03-20 | 2019-06-07 | 宁波安拓实业有限公司 | The manufacturing method of automobile T-type ellipse inner sleeve blank |
| 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 |
| CN115055626A (en) * | 2022-06-23 | 2022-09-16 | 宁波安拓实业有限公司 | Six-station cold extrusion manufacturing method of toothed connection inner pipe for automobile transmission system |
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