CN102059292A - Multi-trough integral stretching die for stainless steel troughs - Google Patents
Multi-trough integral stretching die for stainless steel troughs Download PDFInfo
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- CN102059292A CN102059292A CN 201010183336 CN201010183336A CN102059292A CN 102059292 A CN102059292 A CN 102059292A CN 201010183336 CN201010183336 CN 201010183336 CN 201010183336 A CN201010183336 A CN 201010183336A CN 102059292 A CN102059292 A CN 102059292A
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- grooved
- oil
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 36
- 239000010935 stainless steel Substances 0.000 title claims abstract description 36
- 239000003921 oil Substances 0.000 claims abstract description 32
- 238000002347 injection Methods 0.000 claims abstract description 24
- 239000007924 injection Substances 0.000 claims abstract description 24
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 15
- 238000000465 moulding Methods 0.000 claims abstract description 14
- 210000005056 cell body Anatomy 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 14
- 239000002828 fuel tank Substances 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 8
- 239000000314 lubricant Substances 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The invention discloses a multi-trough integral stretching die for stainless steel troughs. The die comprises a first die for first stretching, a second die for second stretching and a matched workbench. The die is characterized in that: an oil injection hole is formed at the top position for forming a trough cavity at least on the male die of the first die; and the oil injection hole is directly or indirectly connected with one end of an oil inlet pipe, and the other end of the oil inlet pipe is connected with an oil injection device of an oil press. The friction force between a stainless steel plate and the die is reduced through the lubricating hydraulic oil so as to facilitate stretching and molding, improve the surface quality of a product, reduce the stretching rejection rate and reduce the subsequent treatment cost of the product; and the die has simple structure and is easy to implement.
Description
Technical field
The present invention relates to the mould of screw clamp multiple-grooved integrally stretching.
Background technology
Along with improving constantly of living standards of the people, stainless steel multiple-grooved tank has a lot of producers to develop new production method because advantages such as economic, attractive in appearance, practicality have obtained extensive promotion and application for this reason.
It as the patent No. 200610052984.3 Chinese patent " a kind of contour machining procedure of stainless steel trough ", selected stainless steel materials adopts press device to carry out panel processing by the design model specification: carry out the panel die mould, formation is with the discoid body at step-like edge, carry out edge-cutting and hole-punching again, the edge is cut smooth, the panel hole flanging is carried out in the bottom punching then, and forming bottom through-hole inwall angle is the stainless steel faceplate of α; Carry out cell body processing: carry out the cell body blanking by supporting with it panel, adopt press device to carry out once drawing afterwards, form the groove of joining of band edge, and then carry out secondary cell body pull and stretch, forming cell body outer wall angle is the groove of joining of β, carry out edge-cutting and hole-punching again, make it form band edge, the stainless steel trough body of water falling hole is arranged at the bottom, at last, place sealing joint strip in the stainless steel faceplate bottom stage, stainless steel trough body is put into, make it the two and be fixed.This method and mould are not suitable for the stainless steel trough that the production monoblock type stretches.
As the patent No. is 03151027.2 Chinese patent " a kind of stainless steel double flute (three-flute) tank integral drawing technique ", manufacturing procedures such as this technology comprises blanking, shear angle, stretches, cuts for the first time the limit, cleaning, annealing, stretching for the second time, side cut, punching, cleaning, surface treatment.It between the stainless steel trough cell body by this operation manufacturing unjointed Contiuum type structure, thereby defectives such as the operation that causes because of welding is many, fee of material have been overcome, for enterprise has reduced production cost, leakage weldering, the sealing-off of also having avoided simultaneously welding process to occur easily be caused leaks and influences the fastness problem, thereby the total quality and the service life of tank have been improved, the appearance and modeling of Contiuum type stainless steel trough is more catered to modern's demand, in market competition, has the better price advantage, for enterprise creates better economic benefit.Also have some a fly in the ointment in implementation process, stretching as the major trough degree of depth can not be excessive, and perhaps extensibility can not be too small or excessive for the first time, otherwise pull open easily, causes easily and scrap.
Comprehensively aforementioned, the method for stainless steel trough multiple-grooved integrally stretching and mould need be done further improvement design.
Summary of the invention
Technical problem to be solved by this invention is that the present situation at prior art provides a kind of and reduces frictional force between stainless-steel sheet and the mould, reduces the stretching scrappage, is convenient to the mould of the stainless steel trough multiple-grooved integrally stretching of drawing and forming.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of mould of stainless steel trough multiple-grooved integrally stretching, and it includes:
For first mould that stretches and use for the first time;
With second mould for the use that stretches for the second time;
And the workbench that cooperates, it is characterized in that:
At least on the punch of first mould, have nozzle opening being used for the tip position of moulding vallecular cavity;
Nozzle opening connects an end of oil inlet pipe directly or indirectly, and the other end of oil inlet pipe is connected to the fueling injection equipment of hydraulic press.
As preferably, the punch of described first mould is on the main punch of first mould that comprises that moulding vallecular cavity depth ratio is darker at least.Can certainly comprise simultaneously on the branch punch of first mould.
As improvement, on the punch of described second mould, also have nozzle opening being used for the tip position of moulding vallecular cavity;
Nozzle opening connects an end of oil inlet pipe directly or indirectly, and the other end of oil inlet pipe is connected to the fueling injection equipment of hydraulic press.Make for the second time in the drawing process, also can use hydraulic oil to reduce frictional force between stainless-steel sheet and the mould, improve the yield rate that stretches for the second time, improve product surface quality, improve the utilization rate of material, reduce cost.
As improvement, described nozzle opening be in couples, left and right symmetrically be arranged in be used for each vallecular cavity of moulding main punch top and divide the punch top;
And the every pair of nozzle opening is communicated with die cavity in the punch separately;
Each die cavity bottom surface and mould bases are fitted directly or indirectly, and by the through hole that the mould bases top panel is opened, an end of the oil inlet pipe below through hole is communicated with, and is convenient to actual use.
The fueling injection equipment oil pressure control of described hydraulic press will be according to the cell body degree of depth, sheet thickness, and different situations such as tank shape and structure thereof are regulated, and make cell body be unlikely to break and are zone of reasonableness.
Improve, described workbench is provided with the oil-recovery tank of collecting hydraulic oil on the lower table surface again, and oil-recovery tank reaches recycling effect by taking over tieback in the fuel tank of hydraulic press.
Further improve, the fueling injection equipment of described hydraulic press is provided with the through hole that flow control valve or mould bases top panel leave and is provided with flow control valve, control fluid flow, thereby can be according to the actual state of stainless-steel sheet stretching, the oil spout flow of decision fueling injection equipment is regulated the frictional force between stainless-steel sheet and the mould.
Further improve, the hydraulic oil of its ejection of fueling injection equipment of described hydraulic press contains the lubricant composition of controlling frictional force size between corrosion resistant plate and the mould, regulates the frictional force between stainless-steel sheet and the mould.
Main punch in described first mould and second mould and branch punch are made split type, are convenient to make, and reduce die cost.
At last, the punch of described second mould is fitted by flanging plate and mould bases, accordingly, has the through hole that cooperates with through hole on the flanging plate, and the periphery of flanging plate cooperates the edge that forms tank with the convex template that upper table drives.Make to stretch for the second time when can form the cell body of tank, can also form the edge of tank simultaneously, and, can prevent effectively that the locational material of edge from freely flowing in the tank vallecular cavity, reduce the wrinkling of product surface or break, reduce scrappage.
Compared with prior art, the invention has the advantages that:, reduce the frictional force between stainless-steel sheet and the mould by lubricated hydraulic oil, be convenient to drawing and forming, improve the quality of product surface, reduce the stretching scrappage, and reducing the product subsequent treatment cost, practicality rational in infrastructure is implemented easily.
Description of drawings
Fig. 1 is one of cutaway view of the embodiment of the invention;
Fig. 2 be the embodiment of the invention cutaway view two;
Fig. 3 be the embodiment of the invention cutaway view three;
Fig. 4 be the embodiment of the invention cutaway view four;
Fig. 5 be the embodiment of the invention cutaway view five;
Fig. 6 is the stereogram of the product of the process stretching first time;
Fig. 7 be the embodiment of the invention cutaway view six;
Fig. 8 be the embodiment of the invention cutaway view seven;
Fig. 9 be the embodiment of the invention cutaway view eight;
Figure 10 be the embodiment of the invention cutaway view nine;
Figure 11 be the embodiment of the invention cutaway view ten;
Figure 12 is the stereogram of the product of the process stretching second time.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Extremely shown in Figure 6 as Fig. 1, a kind of mould of stainless steel trough multiple-grooved integrally stretching, it includes: for first mould that stretches and use for the first time, for second mould that stretches and use for the second time, the workbench that cooperates, these and traditional mould are similar, the crucial part of its invention is on the main punch 1 of first mould and on the branch punch 2, all have nozzle opening 3 being used for the tip position of moulding vallecular cavity, nozzle opening 3 is to be arranged in to be used on main punch 1 top of each vallecular cavity of moulding and to divide on punch 2 tops, and nozzle opening 3 is communicated with die cavity 4 in the punch separately, each die cavity 4 bottom surfaces and mould bases 5 are fitted, the through hole of opening by mould bases 5 top panels 6, one end of the oil inlet pipe 7 below through hole 6 is communicated with, and the other end of oil inlet pipe 7 is connected to the fueling injection equipment 18 of hydraulic press, in the time of necessary, the fueling injection equipment 18 of hydraulic press is provided with the through hole that flow control valve 24 or mould bases top panel leave and is provided with flow control valve 23, control the fluid flow of oil inlet pipe, the hydraulic oil of the fueling injection equipment ejection of hydraulic press contains lubricant composition, control frictional force size between corrosion resistant plate and the mould, and adjust according to the production actual state, main punch 1 and branch punch 2 are made split type, be convenient to the die sinking manufacturing, lower table 8 surfaces are provided with the oil-recovery tank 9 of collecting hydraulic oil, oil-recovery tank 9 is by taking over, through filter, be connected in the fuel tank of hydraulic press, hydraulic oil is recycled, thereby reduce cost, also can between filter and fuel tank, be provided with flow control valve 19, control the fluid flow when reclaiming.Certainly in order to stretch, be distributed with circular arc stretching muscle on the stretching template of punch, exterior lateral area position between deep trouth and shallow slot stops material to flow in the middle of cell body substantially, causes that cell body is wrinkling, thereby breaks.Last, between the lower table, be distributed with upper bolster 10 from top to down successively, concave template 11, convex template 12 and die shoe 13, lower table 8 setting is connected hydraulic press and takes blame for others on 14,14 belows of taking blame for others are connected with a flow control valve 20, be connected with the fuel tank 21 of upper table 8 by oil pipe, be connected with the flow control valve 22 of control flow on the fuel tank 21, flow control valve 22 is connected with flow control valve 20 under taking blame for others by oil pipe, lower table links together by push rod and die shoe and convex template, and upper table 15 links together with upper bolster 10 and concave template 11, and the main punch 1 of first mould and branch punch 2 are arranged on the lower table 8 by mould bases 5.
Its course of work is: when stretching for the first time, the stainless steel flat plate material that will meet the development size of tank needs covers stretched film and applies lubricant, send into the first time in the drawing die that is contained in hydraulic press, carry out then stretching the first time, in the drawing process, utilize the fueling injection equipment of hydraulic press, the hydraulic oil that will contain lubricant is pressed in the die cavity of punch by oil inlet pipe, go out from the nozzle opening at punch top again, with tentatively the tank vallecular cavity of drawing and forming further stretch blow fat, cell body bottom shape in the arc-shaped after stretching finishes, the degree of depth requires to reach about the 80-110% of total depth.
Extremely illustrated in Figure 9 as Fig. 5, on the main punch 1 ' of second mould and on the branch punch 2 ', also all have nozzle opening 3 being used for the tip position of moulding vallecular cavity, nozzle opening 3 is to be arranged in to be used on the main punch 1 ' top of each vallecular cavity of moulding and to divide on the punch 2 ' top, the every pair of nozzle opening 3 is communicated with die cavity 4 in the punch separately, each die cavity 4 underrun flanging plates 16 are fitted with mould bases 5, the through hole of opening by mould bases 5 top panels 6, one end of the oil inlet pipe 7 below through hole 6 is communicated with, and the other end of oil inlet pipe 7 is connected to the fueling injection equipment 18 of hydraulic press, in the time of necessary, the fueling injection equipment 18 of hydraulic press is provided with the through hole that flow control valve 24 or mould bases top panel leave and is provided with flow control valve 23, control the fluid flow of oil inlet pipe, the hydraulic oil of the fueling injection equipment ejection of hydraulic press contains lubricant composition, control frictional force size between corrosion resistant plate and the mould, and adjust the oil pressure of the fueling injection equipment of hydraulic press according to the production actual state, main punch 1 ' and branch punch 2 ' are made split type, be convenient to the die sinking manufacturing, lower table 8 surfaces also are provided with the oil-recovery tank 9 of collecting hydraulic oil, oil-recovery tank is by taking over, through filter, be connected in the fuel tank of hydraulic press, hydraulic oil is recycled, thereby reduce cost, also can between filter and fuel tank, be provided with flow control valve 19, control the fluid flow when reclaiming.Certainly in order stretching, around the stretching template of punch, to be distributed with the stretching muscle,, to stop material in the middle of cell body, to flow into, cause that cell body is wrinkling, thereby break substantially at the more outer a little position of tank required size.Last, between the lower table, also be distributed with upper bolster 10 from top to down successively, concave template 11, convex template 12 and die shoe 13, at this moment, also adopt flanging plate 16, punch is fitted by flanging plate 16 and mould bases 5, accordingly, have through hole 17 on the flanging plate 16, cooperate with through hole 6, and the periphery of flanging plate 16 cooperates with the convex template 12 that upper table 15 drives, make tank disposable drawing and forming effluent trough edge in second time drawing process, lower table 8 setting is connected hydraulic press and takes blame for others on 14,14 belows of taking blame for others are connected with a flow control valve 20, be connected with the fuel tank 21 of upper table 8 by oil pipe, be connected with the flow control valve 22 of control flow on the fuel tank 21, flow control valve 22 is connected with flow control valve 20 under taking blame for others by oil pipe, lower table 8 links together by push rod and die shoe 13 and convex template 12, and upper table 15 links together with upper bolster 10 and concave template 11, and the main punch 1 ' of second mould and branch punch 2 ' are arranged on the lower table 8 by flanging plate 16 and mould bases 5.
Its operation principle: the semi-finished product after will annealing are placed on the punch of second mould on the hydraulic press, carry out then stretching the second time, in the drawing process, utilize the fueling injection equipment of hydraulic press simultaneously, the hydraulic oil that will contain lubricant is pressed in the die cavity of punch by oil inlet pipe, go out from the nozzle opening at punch top again, the further drawing and setting of tank vallecular cavity of drawing and forming for the first time will be passed through, when (if tank fairly simple then need not fueling injection equipment have an effect) stretches for the second time, stretching muscle exterior material does not enter cell body substantially, the material of face frame moulding replenishes by the material between cell body and the stretching muscle, the cell body degree of depth and fillet place need material to compensate by the attenuation of cell body internal material fully, belong to ironing processing, the 30-40% that to play maximum attenuation amount be original wall thickness, can save material well and reduce the not good factor that causes the cell body surface quality, the pit that finishes of stretching is body formed, and the degree of depth requires to reach total depth.
Claims (10)
1. the mould of a stainless steel trough multiple-grooved integrally stretching, it includes:
For first mould that stretches and use for the first time;
With second mould for the use that stretches for the second time;
And the workbench that cooperates, it is characterized in that:
At least on the punch of first mould, have nozzle opening being used for the tip position of moulding vallecular cavity;
Nozzle opening connects an end of oil inlet pipe directly or indirectly, and the other end of oil inlet pipe is connected to the fueling injection equipment of hydraulic press.
2. the mould of stainless steel trough multiple-grooved integrally stretching according to claim 1, the punch that it is characterized in that described first mould are on the main punch of first mould that comprises that moulding vallecular cavity depth ratio is darker at least.
3. the mould of stainless steel trough multiple-grooved integrally stretching according to claim 2 is characterized in that on the punch of described second mould, also has nozzle opening being used for the tip position of moulding vallecular cavity;
Nozzle opening connects an end of oil inlet pipe directly or indirectly, and the other end of oil inlet pipe is connected to the fueling injection equipment of hydraulic press.
4. according to the mould of any described stainless steel trough multiple-grooved of the claim integrally stretching of claim 1～3, it is characterized in that described nozzle opening be arranged in be used for each vallecular cavity of moulding main punch top and divide the punch top;
And the every pair of nozzle opening is communicated with die cavity in the punch separately;
Fit with mould bases directly or indirectly in each die cavity bottom surface, by the through hole that the mould bases top panel is opened, an end of the oil inlet pipe below through hole is communicated with.
5. according to the mould of any described stainless steel trough multiple-grooved of the claim integrally stretching of claim 1～3, the fueling injection equipment oil pressure control that it is characterized in that described hydraulic press makes cell body be unlikely to the scope of breaking according to cell body material thickness, cell body size and structure thereof.
6. according to the mould of any described stainless steel trough multiple-grooved of the claim integrally stretching of claim 1～3, it is characterized in that described workbench is provided with the oil-recovery tank of collecting hydraulic oil on the lower table surface, oil-recovery tank is by taking over tieback in the fuel tank of hydraulic press.
7. according to the mould of any described stainless steel trough multiple-grooved of the claim integrally stretching of claim 1～3, the fueling injection equipment that it is characterized in that described hydraulic press is provided with the through hole that flow control valve or mould bases top panel leave and is provided with flow control valve.
8. according to the mould of any described stainless steel trough multiple-grooved of the claim integrally stretching of claim 1～3, it is characterized in that the hydraulic oil of its ejection of fueling injection equipment of described hydraulic press contains the lubricant composition of controlling frictional force size between corrosion resistant plate and the mould.
9. according to the mould of any described stainless steel trough multiple-grooved of the claim integrally stretching of claim 1～3, it is characterized in that the main punch in first mould and second mould and divide punch to make split type.
10. the mould of stainless steel trough multiple-grooved integrally stretching according to claim 3, the punch that it is characterized in that described second mould is fitted by flanging plate and mould bases, accordingly, have the through hole that cooperates with through hole on the flanging plate, the periphery of flanging plate cooperates the edge that forms tank with the convex template that upper table drives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010183336 CN102059292B (en) | 2009-11-13 | 2010-05-10 | Multi-trough integral stretching die for stainless steel troughs |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910223140.4 | 2009-11-13 | ||
| CN200910223140 | 2009-11-13 | ||
| CN 201010183336 CN102059292B (en) | 2009-11-13 | 2010-05-10 | Multi-trough integral stretching die for stainless steel troughs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102059292A true CN102059292A (en) | 2011-05-18 |
| CN102059292B CN102059292B (en) | 2013-08-28 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202018168U Expired - Lifetime CN201791826U (en) | 2009-11-13 | 2010-05-10 | Die for integrally drawing a plurality of stainless steel sinks |
| CN 201010183336 Active CN102059292B (en) | 2009-11-13 | 2010-05-10 | Multi-trough integral stretching die for stainless steel troughs |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202018168U Expired - Lifetime CN201791826U (en) | 2009-11-13 | 2010-05-10 | Die for integrally drawing a plurality of stainless steel sinks |
Country Status (1)
| Country | Link |
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| CN (2) | CN201791826U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430633A (en) * | 2011-12-09 | 2012-05-02 | 嘉兴永发电子有限公司 | Mould for integrally drawing double-tank sink and production method for double-tank sink |
| CN102626754A (en) * | 2012-04-24 | 2012-08-08 | 温州鹤立液压机械有限公司 | Refueling system of sheet metal stamping stretching machine |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201791826U (en) * | 2009-11-13 | 2011-04-13 | 熊汉梯 | Die for integrally drawing a plurality of stainless steel sinks |
| CN106881432B (en) * | 2017-02-20 | 2018-09-28 | 广州市聚英电器实业有限公司 | A kind of production method and its particular manufacturing craft of bright stainless steel pot |
| CN107552639B (en) * | 2017-09-30 | 2023-07-14 | 浙江大学华南工业技术研究院 | Basin courage forming die of basin |
| CN108311571B (en) * | 2017-12-28 | 2019-06-14 | 广州倬粤动力新能源有限公司 | A kind of grid stamping equipment |
| CN108237178A (en) * | 2018-02-12 | 2018-07-03 | 珠海格力精密模具有限公司 | Die assembly and mold |
| CN110125269A (en) * | 2019-04-22 | 2019-08-16 | 福建省德化县九鼎陶瓷有限公司 | Dual-broth hot pot press machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS603923A (en) * | 1983-06-20 | 1985-01-10 | Umedate Seisakusho:Kk | Drawing die |
| JPS63108927A (en) * | 1986-10-23 | 1988-05-13 | Yamazaki Mazak Corp | Punch assembly body |
| CN1524639A (en) * | 2003-09-18 | 2004-09-01 | 熊汉梯 | Integral stretching technology of double (three)-tank stainless steel water tanks |
| CN201791826U (en) * | 2009-11-13 | 2011-04-13 | 熊汉梯 | Die for integrally drawing a plurality of stainless steel sinks |
-
2010
- 2010-05-10 CN CN2010202018168U patent/CN201791826U/en not_active Expired - Lifetime
- 2010-05-10 CN CN 201010183336 patent/CN102059292B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS603923A (en) * | 1983-06-20 | 1985-01-10 | Umedate Seisakusho:Kk | Drawing die |
| JPS63108927A (en) * | 1986-10-23 | 1988-05-13 | Yamazaki Mazak Corp | Punch assembly body |
| CN1524639A (en) * | 2003-09-18 | 2004-09-01 | 熊汉梯 | Integral stretching technology of double (three)-tank stainless steel water tanks |
| CN201791826U (en) * | 2009-11-13 | 2011-04-13 | 熊汉梯 | Die for integrally drawing a plurality of stainless steel sinks |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430633A (en) * | 2011-12-09 | 2012-05-02 | 嘉兴永发电子有限公司 | Mould for integrally drawing double-tank sink and production method for double-tank sink |
| CN102626754A (en) * | 2012-04-24 | 2012-08-08 | 温州鹤立液压机械有限公司 | Refueling system of sheet metal stamping stretching machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN201791826U (en) | 2011-04-13 |
| CN102059292B (en) | 2013-08-28 |
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Application publication date: 20110518 Assignee: Zhejiang Franta Co., Ltd. Assignor: Xiong Hanti Contract record no.: 2017330000083 Denomination of invention: Multi-trough integral stretching die for stainless steel troughs Granted publication date: 20130828 License type: Exclusive License Record date: 20170613 |
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Effective date of registration: 20170616 Address after: 315300, No. 177 pad Road, Changhe Town, Cixi City, Zhejiang, Ningbo Patentee after: Zhejiang Franta Co., Ltd. Address before: 315300 South Road, Changhe Town, Cixi City, Zhejiang Patentee before: Xiong Hanti |
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