CN103551439B - Non-pollution cold extruding molding method and cold extruding mould for packaging container flange - Google Patents
Non-pollution cold extruding molding method and cold extruding mould for packaging container flange Download PDFInfo
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- CN103551439B CN103551439B CN201310557415.4A CN201310557415A CN103551439B CN 103551439 B CN103551439 B CN 103551439B CN 201310557415 A CN201310557415 A CN 201310557415A CN 103551439 B CN103551439 B CN 103551439B
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Abstract
The invention discloses a non-pollution cold extruding molding method and a cold extruding mould for a packaging container flange. The method is characterized in that a flange workblank with consistent flange boss thickness, which is subjected to punch forming by blanking and molding moulds, is under the effect of a male die with reverse pyramidal upper end, materials on a flange boss axially flow along the flange, wall thickness needed by turning threads is finally formed in a flange hole, and a flange finished product is obtained by subsequent corner cut, thread turning and electroplating. The non-pollution cold extruding molding method and the cold extruding mould for the packaging container flange has the advantages that the structure is simple, the manufacturing is simple, pollution does not exist, the rate of finished products is improved, and the manufacture cost is reduced.
Description
Technical field
The present invention relates to a kind of packaging-container production method and mould, especially the cold extrusion method of packing container cooperage spigot flange and mould, the specifically pollution-free cold-extrusion molding method of a kind of pail pack flange and cold extrusion die.
Background technology
At present, the manufacture of packing container cooperage spigot flange all adopts cold-extrusion technology, for the ease of cold extrusion shaped, blanking, shaping after need the phosphatization saponification process carrying out half an hour more than, and then patrix carries out cold extrusion, the stream of generation vertically under the effect of the punch of material in cold extrusion die of flange boss inner surface is become, the car silk inner ring needed for formation.In phosphatization saponification process, environment is produced serious influence, can floating in a large number saponified in workshop, and the waste liquid produced in phosphatization saponification processing procedure could discharge after needing to process, and not only pollutes environment, and extend the manufacturing cycle, add manufacturing cost.Fig. 1 is the schematic diagram of the flange blank before non-cold extrusion, Fig. 2 is through the flange semi-finished product schematic diagram after cold extrusion, as can be seen from Figure 2, the material on flange boss top moves boss root at the flows by action of cold extrusion die, makes the thickness of boss root reach thickness needed for car silk.Fig. 3 is the schematic diagram of existing punch, due to punch top squeezing action district with between flange boss inwall for face contacts, therefore in Cold Extrusion Process, material flowability is poor, there will be the phenomenon highly do not waited, very easily form parabola shaped breach, have impact on product percent of pass, must be improved.
Summary of the invention
The object of the invention is to need to carry out phosphatization saponification to increase the mobility of material in existing packing container cooperage spigot flange Cold Extrusion Process, and phosphatization saponification not only contaminated environment but also extend the manufacturing cycle, because face contact very easily causes the series of problems such as the defect of the highly inconsistent and opening of extruding in Cold Extrusion Process, invention is a kind of by improving Cold Extrusion Punch, phosphatization saponification process can be saved the while of making material be extruded changed into line extruding by face, reduce the pollution-free cold-extrusion molding method of pail pack flange of environmental pollution, a kind of cold extrusion die matched is provided simultaneously.
One of technical scheme of the present invention is:
The pollution-free cold-extrusion molding method of a kind of packing container flange, it is characterized in that making through blanking and forming module stamping forming, the flange blank of flange boss consistency of thickness, through the effect that a upper end is the punch of inverted cone shape, material on flange boss is flowed along flange shaft to generation, the final wall thickness formed in flange hole needed for car silk, enters follow-up corner cut, Che Si and plating and obtains flange finished product.
Cold press oil should be annotated to improve the mobility of material on described punch when cold extrusion.
The semi-cone angle of described inverted cone shape punch, between 0.1-5 degree, flows for linear contact lay makes flange boss inner-wall material produce between described inverted cone shape punch and flange boss inwall; At the bottom of the auger of described inverted cone shape punch with punch upper end be convenient to be connected bottom chamfering that flange blank imports.
Two of technical scheme of the present invention is:
The cold extrusion die that cold-extrusion molding method described in a kind of claim 1 uses, it comprises patrix 3, plug 4, die 6 and punch 7, plug 4 to be arranged in patrix 3 and to offset with dnockout rod 1, punch 7 is arranged in die 6, the lower support of punch 7 is on punch holder 8, punch holder 8 is arranged on location-plate 10, push rod 9 for being separated with punch 7 by die 6 to facilitate flange semi-finished product 5 to take out is arranged in location-plate 10, it is characterized in that the upper end of described punch 7 is provided with squeezing action district, the maximum gauge in squeezing action district is less than the diameter in the non-squeezing action district of punch 7, described squeezing action district is by being convenient to chamfering 12 that flange semi-finished product 5 insert and the reverse taper 13 that is connected with the lower end of chamfering 12 forms, the large end of reverse taper 13 is crossing with the bottom of chamfering 12.
The vertex of a cone half-angle of described reverse taper is between 0.1-5 degree.
Beneficial effect of the present invention:
Present invention eliminates the phosphating soap metallization processes that environmental pollution is serious, substantially improve working environment, reduce production cost, not only shorten manufacturing time, make the blank after blanking forming directly can enter cold-extrusion technology, and due to material deformation be adopt linear contact lay extruding, good fluidity, there will not be highly inconsistent situation, more there will not be common parabola breach, the qualification rate of product is increased substantially.
The inventive method is simple, and mould is easy to realize, and only need to change existing cylinder compressive plane into conical compressive plane, Mould Machining is very convenient, in Cold Extrusion Process, only suitably need add some cold-extruded oil can ensure good extrusion performance.
It is simple that the present invention has mould structure, easily manufactured, pollution-free, can improve yield rate, reduces the advantage of manufacturing cost.
Accompanying drawing explanation
Fig. 1 is through the structural representation of the flange after blanking forming.
Fig. 2 is the structural representation of the flange shown in Fig. 1 after cold extrusion.
Fig. 3 is the structural representation of existing Cold Extrusion Punch.
Fig. 4 is the structural representation of cold extrusion die of the present invention.
Fig. 5 is the structure for amplifying schematic diagram of Cold Extrusion Punch of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Embodiment one.
As Figure 1-5.
The pollution-free cold-extrusion molding method of a kind of packing container flange, first, Cold Extrusion Punch is improved, change the small diameter cylinders acting surface of the Cold Extrusion Punch shown in Fig. 3 into conical acting surface shown in Fig. 5, amended punch is arranged on the mould shown in Fig. 4 and starts cold extrusion equipment, can make through blanking and forming module stamping forming, the flange blank of flange boss consistency of thickness, through the linear contact lay squeezing action that a upper end is the punch of inverted cone shape, cold press oil can be annotated to improve the mobility of material on described punch in extrusion process or before extruding, thus the material on flange boss is flowed along flange shaft to generation, the flange semi-finished product that the flange boss variable thickness shown in Fig. 2 causes are squeezed into by the flange blank that the flange boss shown in Fig. 1 is consistent, the final wall thickness (Fig. 2) formed in flange hole needed for car silk, eliminate traditional phosphating soap metallization processes in the process, not only can save the half-hour period needed for this technique, and can not to environmental effects, without the need to sewage disposal, flange blank after cold extrusion can enter follow-up corner cut, car silk and plating obtain flange finished product.During concrete enforcement, in order to ensure that the elasticity after material cold extrusion is recovered, the semi-cone angle of described inverted cone shape punch should between 0.1-5 degree, remaining is all identical with existing cold extrusion die, as the chamfering of punch, at the bottom of the auger of therefore inverted cone shape punch should with punch upper end be convenient to be connected bottom chamfering that flange blank imports.
Embodiment two.
As shown in Figure 4,5.
A kind of cold extrusion molding mould, it comprises patrix 3, plug 4, die 6 and punch 7, plug 4 to be arranged in patrix 3 and to offset with dnockout rod 1, patrix 3 is connected with cope match-plate pattern 2, cope match-plate pattern 2 is connected with the extrusion head of cold extrusion equipment and moves up and down thereupon, punch 7 is arranged in die 6, the lower support of punch 7 is on punch holder 8, punch holder 8 is arranged on location-plate 10, location-plate 10 is arranged on lower bolster 11, lower bolster 11 is arranged on the workbench of cold extrusion equipment, as shown in Figure 4, push rod 9 for being separated with punch 7 by die 6 to facilitate flange semi-finished product 5 to take out is arranged in location-plate 10, the upper end of described punch 7 is provided with squeezing action district 14, the maximum gauge in squeezing action district 14 is less than the diameter in the non-squeezing action district 15 of punch 7, described squeezing action district 14 is by being convenient to chamfering 12 that product 5 inserts and the reverse taper 13 that is connected with the lower end of chamfering 12 forms, the large end of reverse taper 13 is crossing with the bottom of chamfering 12, as shown in Figure 5.The vertex of a cone half-angle of described reverse taper is between 0.1-5 degree.During cold extrusion, first cope match-plate pattern 2 is lifted away from die 6, flange blank (shown in Fig. 1) after punching press is loaded in die 6, flange boss limit inner chamber is contacted with chamfering 12 place of punch 7 upper end, , startup cope match-plate pattern 2 moves down and is extruded downwards by flange blank, at die 6, under the acting in conjunction of punch 7 and plug 4, make the material of bottom, flange boss limit produce Plastic Flow by the route of setting and finally form the semi-finished product shown in Fig. 2, and the wall thickness formed needed for car silk, through follow-up corner cut, car silk and plating can obtain flange finished product, and final and packing container is connected to form the flange seat of fixing cooperage spigot.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (4)
1. the pollution-free cold-extrusion molding method of packing container flange, it is characterized in that making through blanking and forming module is stamping forming, the flange blank of flange boss consistency of thickness, through the effect that a upper end is the punch of inverted cone shape, material on flange boss is flowed along flange shaft to generation, the final wall thickness formed in flange hole needed for car silk, enters follow-up corner cut, Che Si and plating and obtains flange finished product.
2. method according to claim 1, is characterized in that to annotate cold press oil when cold extrusion to improve the mobility of material on described punch.
3. method according to claim 1, is characterized in that the semi-cone angle of described inverted cone shape punch is between 0.1-5 degree, flows between described inverted cone shape punch and flange boss inwall for linear contact lay makes flange boss inner-wall material produce; At the bottom of the auger of described inverted cone shape punch with punch upper end be convenient to be connected bottom chamfering that flange blank imports.
4. the cold extrusion die of cold-extrusion molding method use described in a claim 1, it comprises patrix (3), plug (4), die (6) and punch (7), plug (4) to be arranged in patrix (3) and to offset with dnockout rod (1), punch (7) is arranged in die (6), the lower support of punch (7) is on punch holder (8), punch holder (8) is arranged on location-plate (10), push rod (9) for being separated with punch (7) by die (6) to facilitate flange semi-finished product (5) to take out is arranged in location-plate (10), it is characterized in that the upper end of described punch (7) is provided with squeezing action district, the maximum gauge in squeezing action district is less than the diameter in the non-squeezing action district of punch (7), described squeezing action district is by being convenient to chamfering (12) that flange blank inserts and the reverse taper (13) that is connected with the lower end of chamfering (12) forms, the large end of reverse taper (13) is crossing with the bottom of chamfering (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310557415.4A CN103551439B (en) | 2013-11-12 | 2013-11-12 | Non-pollution cold extruding molding method and cold extruding mould for packaging container flange |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310557415.4A CN103551439B (en) | 2013-11-12 | 2013-11-12 | Non-pollution cold extruding molding method and cold extruding mould for packaging container flange |
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| Publication Number | Publication Date |
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| CN103551439A CN103551439A (en) | 2014-02-05 |
| CN103551439B true CN103551439B (en) | 2015-05-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105312468B (en) * | 2014-06-25 | 2017-12-12 | 山西艾斯特耐茨锻造有限公司 | Finish forge flange fast-assembling mould |
| CN104289652A (en) * | 2014-11-04 | 2015-01-21 | 贵州航天精工制造有限公司 | Extrusion forming cold-upsetting die and application method thereof |
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| SE351377B (en) * | 1967-04-20 | 1972-11-27 | Asea Ab | |
| CN1943971A (en) * | 2005-10-05 | 2007-04-11 | 株式会社电装 | Annular component fabricating method, die for use in such fabricating method and annular component fabricated thereby |
| CN101530865A (en) * | 2008-12-31 | 2009-09-16 | 张长国 | 125 motorcycle engine starting gear cold extrusion forming method and dies thereof |
| CN201366448Y (en) * | 2009-03-02 | 2009-12-23 | 湖北天轮机械有限公司 | Backward cold extrusion die for rear stabilizer bar sleeve of car |
| CN102284663A (en) * | 2011-06-09 | 2011-12-21 | 无锡东海锻造有限公司 | Precision forging process and die for flange |
| RU2481915C1 (en) * | 2011-10-07 | 2013-05-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Алтайский государственный технический университет им. И.И. Ползунова" (АлтГТУ) | Die for making axisymmetric articles without die grades |
| CN103191945A (en) * | 2012-01-10 | 2013-07-10 | 江苏舒恒管夹制造有限公司 | Method and device for high-pressure hydraulic flange plasticity forming |
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