CN202752417U - Mold of adopting nitrogen springs to replace oil press ejector rod - Google Patents
Mold of adopting nitrogen springs to replace oil press ejector rod Download PDFInfo
- Publication number
- CN202752417U CN202752417U CN201220448863.1U CN201220448863U CN202752417U CN 202752417 U CN202752417 U CN 202752417U CN 201220448863 U CN201220448863 U CN 201220448863U CN 202752417 U CN202752417 U CN 202752417U
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- China
- Prior art keywords
- mold
- nitrogen
- blank holder
- mold base
- nitrogen spring
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- Expired - Lifetime
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Abstract
The utility model discloses a mold of adopting nitrogen springs to replace an oil press ejector rod. The mold comprises a lower mold base, a male mold arranged on the lower mold base, a blank holder, an upper mold base, a female mold arranged on the upper mold base, a control meter and no less than two nitrogen springs arranged on the lower mold base. The blank holder is arranged between the upper mold base and the lower mold base, the upper mold base is connected at the upper end of the blank holder, and the lower end of the blank holder is supported by the nitrogen springs. The male mold penetrates through the blank holder to extend into the female mold, and the nitrogen springs are connected with the control meter through a pipe. The mold has the advantages that the mold is high in production efficiency and low in cost, when one nitrogen cylinder is insufficient in pressure after working for a long period, the other nitrogen cylinders correspondingly supplement air sources in the nitrogen cylinders to the nitrogen cylinder insufficient in pressure through a pipe, finally pressure of the whole pipe can be displayed through an externally connected barometer, and therefore pressure unbalance caused by gas leakage of one nitrogen cylinder in the production process and according stopping of the whole production process are avoided.
Description
Technical field
The utility model relates to a kind of mould that adopts nitrogen spring to substitute the hydraulic press push rod.
Background technology
Auto industry has also driven the development of Die Industry in Chinese fast development, nowadays, nearly all automobile main frame maker all is furnished with the mould factory of specialty, is also improving constantly the car mass requirement simultaneously, shortens new car and releases the cycle.Nowadays the Mould Enterprise that past only builds for making mould has also brought up to important position with efficient and quality requirement.Except mfg. moulding die, it has been the present stage contradiction that shows especially of car panel die enterprise that production capacity requires, existing stretching board mainly is to produce tensioning member with the push rod hydraulic press, need pretension before the use, blank holder is stressed also inhomogeneous, in the blank material forming process often because the pressure inequality causes product cracking, the phenomenon such as wrinkling, and its to produce pressure high, production efficiency is low, and production cost is higher.
Summary of the invention
The purpose of this utility model provides a kind of mould that adopts nitrogen spring to substitute the hydraulic press push rod that a kind of production efficiency is high, cost is low.
For addressing the above problem, the technical solution of the utility model is:
A kind of mould that adopts nitrogen spring to substitute the hydraulic press push rod, comprise die shoe, be arranged on punch, blank holder, upper bolster on the die shoe, be arranged on die, the control table on the upper bolster and be arranged on and be no less than two nitrogen spring on the die shoe, described blank holder is arranged between upper bolster and the die shoe, its upper end connects upper bolster, the lower end is supported by nitrogen spring, described punch passes blank holder and stretches in the die, and described nitrogen spring is connected with control table by pipeline.The use nitrogen spring can be in less space, can produce larger initial elastic force pressure, do not need pretension, the power transmission module Once you begin contacts with the nitrogen spring plunger just has elastic force pressure, spring force is kept stable in whole process, and simple in structure, can require to regulate at any time the size of elastic force pressure and the position of stress point according to the punching press program, equilibrium of forces is suppressed in realization, simple structure has also shortened the manufacturing cycle of mould, can shorten on forcing press the more mold exchange time in the use, raise labour productivity, reduce cost, and work as the situation that insufficient pressure appears in a nitrogen cylinder long-term work, and other nitrogen cylinders can add to inner source of the gas in this nitrogen cylinder by pipeline accordingly, and the pressure of final whole pipeline can both show by the air gauge that the outside connects, be unlikely in process of production because a nitrogen cylinder gas leakage causes pressure imbalance, whole production process is stagnated.
As further improvement of the utility model, described nitrogen spring has six, is evenly distributed on the die shoe.Six equally distributed nitrogen springs so that in the production process elastic force pressure more even, improve the stamping parts quality, reduce production costs.
Further improve as of the present utility model, three of described six nitrogen springs become one group, and the nitrogen spring in every group is connected with control table by same pipeline.Six nitrogen springs are divided into two groups can reduce the length that connect its pipeline, avoids that pipeline is in disorder to cause interference to punch and die, affects mold use.
In sum, the beneficial effects of the utility model are: production efficiency is high, and cost is low, and is unlikely in process of production because a nitrogen cylinder gas leakage causes pressure imbalance, and whole production process is stagnated.
Description of drawings
Fig. 1 is the structural representation of nitrogen spring in stretching die.
Fig. 2 is the pipeline connection diagram of nitrogen spring.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described further.
Employing nitrogen spring as depicted in figs. 1 and 2 substitutes the mould of hydraulic press push rod, comprise die shoe 6, be arranged on the punch 3 on the die shoe 6, blank holder 4, upper bolster 1, be arranged on the die 2 on the upper bolster 1, control table 8 and be evenly distributed on the die shoe 6 two groups totally six nitrogen springs 5, described blank holder 4 is arranged between upper bolster 1 and the die shoe 6, its upper end connects upper bolster 1, the lower end is supported by nitrogen spring 5, described punch 3 passes blank holder 4 and stretches in the die 2,5 every groups three of described nitrogen springs, the nitrogen spring 5 in every group is connected connection by same pipeline with control table.
When using the utility model to adopt nitrogen spring to substitute the mould of hydraulic press push rod, blank holder 4 is by nitrogen spring 5 jack-up, the press surface height surpasses punch 3, blank 7 is positioned on the blank holder 4, die 2 moves down with blank 7 and contacts, and punch 3 begins to contact blank 7, and die 2 continues to be moved downward to minimum point, to machining of blank 7, get required product.
Claims (3)
1. mould that adopts nitrogen spring to substitute the hydraulic press push rod, it is characterized in that: comprise die shoe (6), be arranged on the punch (3) on the die shoe (6), blank holder (4), upper bolster (1), be arranged on the die (2) on the upper bolster (1), control table (8) and be arranged on and be no less than two nitrogen spring (5) on the die shoe (6), described blank holder (4) is arranged between upper bolster (1) and the die shoe (6), its upper end connects upper bolster (1), the lower end is supported by nitrogen spring (5), described punch (3) passes blank holder (4) and stretches in the die (2), and described nitrogen spring (5) is connected 8 by pipeline with control table) connect.
2. employing nitrogen spring according to claim 1 substitutes the mould of hydraulic press push rod, and it is characterized in that: described nitrogen spring (5) has six, is evenly distributed on the die shoe (6).
3. employing nitrogen spring according to claim 2 substitutes the mould of hydraulic press push rod, it is characterized in that: (5) three of described six nitrogen springs become one group, and the nitrogen spring (5) in every group is connected with control table (8) by same pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220448863.1U CN202752417U (en) | 2012-09-05 | 2012-09-05 | Mold of adopting nitrogen springs to replace oil press ejector rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220448863.1U CN202752417U (en) | 2012-09-05 | 2012-09-05 | Mold of adopting nitrogen springs to replace oil press ejector rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202752417U true CN202752417U (en) | 2013-02-27 |
Family
ID=47731612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220448863.1U Expired - Lifetime CN202752417U (en) | 2012-09-05 | 2012-09-05 | Mold of adopting nitrogen springs to replace oil press ejector rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202752417U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240321A (en) * | 2013-05-10 | 2013-08-14 | 奇瑞汽车股份有限公司 | Automobile drawing die with nitrogen springs |
| CN108723333A (en) * | 2018-08-16 | 2018-11-02 | 襄阳美利信科技有限责任公司 | A kind of die casting machine cavity jacking structure |
| CN111515290A (en) * | 2019-02-02 | 2020-08-11 | 中铝材料应用研究院有限公司 | Aluminum alloy box-shaped piece deep drawing test die |
-
2012
- 2012-09-05 CN CN201220448863.1U patent/CN202752417U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240321A (en) * | 2013-05-10 | 2013-08-14 | 奇瑞汽车股份有限公司 | Automobile drawing die with nitrogen springs |
| CN108723333A (en) * | 2018-08-16 | 2018-11-02 | 襄阳美利信科技有限责任公司 | A kind of die casting machine cavity jacking structure |
| CN111515290A (en) * | 2019-02-02 | 2020-08-11 | 中铝材料应用研究院有限公司 | Aluminum alloy box-shaped piece deep drawing test die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130227 |
|
| CX01 | Expiry of patent term |