CN202291404U - Water-cooled mould for powder metallurgy - Google Patents

Water-cooled mould for powder metallurgy Download PDF

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Publication number
CN202291404U
CN202291404U CN2011204212364U CN201120421236U CN202291404U CN 202291404 U CN202291404 U CN 202291404U CN 2011204212364 U CN2011204212364 U CN 2011204212364U CN 201120421236 U CN201120421236 U CN 201120421236U CN 202291404 U CN202291404 U CN 202291404U
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CN
China
Prior art keywords
mould
water
powder metallurgy
cooling
female die
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011204212364U
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Chinese (zh)
Inventor
傅叶平
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傅叶平
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Priority to CN2011204212364U priority Critical patent/CN202291404U/en
Application granted granted Critical
Publication of CN202291404U publication Critical patent/CN202291404U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a water-cooled mould for powder metallurgy. The water-cooled mould comprises a forming female die and a female die cover which is arranged outside the forming female die, wherein the outer wall of the forming female die is provided with a cooling structure; and the cooling structure comprises a water inlet, a water outlet and a spiral passage which is formed between the water inlet and the water outlet. The water-cooled mould has a simple and practical structure and realizes constant temperature of the mould during a long-term pressing production process; a pressed product is not hot any longer; the stability is greatly improved; the working efficiency and the qualification rate are also greatly improved; a lubricating agent contained in the material has an obvious lubrication effect on the mould; meanwhile, the mould release force of the product is reduced; the wear of the mould is reduced; and further, the service life of the mould is prolonged.

Description

The water-cooled mold that is used for powder metallurgy
Technical field
The utility model relates to a kind of mould, belongs to field of powder metallurgy, especially relates to a kind of water-cooled mold that is used for powder metallurgy.
Background technology
Powder metallurgy be produce metal or with metal dust (or mixture of metal dust and non-metal powder) as raw material, through being shaped and sintering, make the technology of metal material, compound and all kinds goods.Powder metallurgy has unique chemical to be formed and machinery, physical property, and these performances are can't obtain with traditional casting method.The utilization PM technique can directly be processed porous, half fine and close or full dense material and goods, like oiliness bearing, gear, cam, guide rod, cutter etc., is a kind of Cutting Process that do not have less.Because the advantage of PM technique; It has become the key that solves the new material problem; In the development of new material, play a part very important; Be widely used in every field: various powder metallurgy (iron copper base) parts such as automobile, motorcycle, textile machine, industrial sewing machine, electric tool, hardware & tools, electrical equipment, engineering machinery, this in developing powder metallurgy industry, has brought the rare opportunity to develop and the huge market space for just.
In the actual production of powder metallurgy industry, because the product external diameter is complex-shaped, length is longer, causes knockout press bigger.And product produces more heat in knockout course, and the product temperature that compacting is come out can reach the 80-100 degree, again because mold temperature is higher; Mould is easy to generate the phenomenon of expanding with heat and contract with cold, because powder metallurgy formation former is different with the punching pin material, the coefficient of expansion is variant; Mould is prone to produce clamping; Cause product rejection, and then reduce whole operating efficiency, improve production cost.
In the volume production process, mold temperature is higher, influences the lubricant effect of lubricant in the material powder; Making the lubricant volatilization has increased frictional force, causes the die wear aggravation; The product precision can't guarantee, and then also influence the qualification rate of production efficiency of products and product.
By on can know that addressing these problems is extremely urgent!
In view of this, the inventor has done deep research to powder metallurgy die, and by feat of the experience of being engaged in relevant industries for many years and practice; Design a kind of water-cooled mold that is used for powder metallurgy, simple and practical, not only be implemented in the long-term compacting production process; The temperature constant of mould, the product that compacting is come out is no longer hot, and stability improves greatly; Operating efficiency and qualification rate also increase substantially thereupon, and contained lubricant is obvious to the lubricant effect of mould in the material, and product stripping power reduces simultaneously; Die wear reduces, and then improves the service life of mould, and this case produces thus.
The utility model content
The purpose of the utility model is to provide a kind of water-cooled mold that is used for powder metallurgy, and is simple and practical, not only is implemented in the long-term compacting production process; The temperature constant of mould, the product that compacting is come out is no longer hot, and stability improves greatly; Operating efficiency and qualification rate also increase substantially thereupon, and contained lubricant is obvious to the lubricant effect of mould in the material, and product stripping power reduces simultaneously; Die wear reduces, and then improves the service life of mould.
To achieve these goals, the technical scheme of the utility model is following:
The water-cooled mold that is used for powder metallurgy comprises the shaping former, is arranged on the outside former jacket of shaping former, it is characterized in that the outer wall of said shaping former is provided with cooling structure, and said cooling structure is the spirality setting.
Further, said cooling structure comprises water inlet, water out, and is arranged on the helical duct between water inlet and the water out.
The beneficial effect of the utility model: the outer wall at the shaping former in the utility model is provided with cooling structure, and said cooling structure comprises water inlet, water out, and is arranged on the helical duct between water inlet and the water out; In actual use, behind the feeding recirculated water, carry out thermal energy exchange between the water in whole shaping former and the helical duct; Make shaping former temperature reduce; And then the reduction of entire die temperature, the lubricant in material can not volatilize because of temperature is high and not influence serviceability like this, causes product stripping power to become big; Influence the service life of mould, also influence the quality of product!
By on can know that the utility model is simple and practical, not only be implemented in the long-term compacting production process; The temperature constant of mould, the product that compacting is come out is no longer hot, and stability improves greatly; Operating efficiency and qualification rate also increase substantially thereupon, and contained lubricant is obvious to the lubricant effect of mould in the material, and product stripping power reduces simultaneously; Die wear reduces, and then improves the service life of mould.
In order further to explain the technical scheme of the utility model, come the utility model is set forth in detail through specific embodiment below.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Label declaration
Shaping former 1 former jacket 2
Cooling duct 3 water inlets 4
Water out 5
The specific embodiment
As shown in Figure 1; The utility model relates to a kind of water-cooled mold that is used for powder metallurgy, comprises shaping former 1, is arranged on the former jacket 2 of shaping former 1 outside; The outer wall that it is characterized in that said shaping former 1 is provided with cooling structure, and said cooling structure is the spirality setting.
Wherein, said cooling structure comprises water inlet 4, water out 5, and is arranged on the helical duct 3 between water inlet 4 and the water out 5.
Outer wall at shaping former 1 in the utility model is provided with cooling structure, and said cooling structure comprises water inlet 4, water out 5, and is arranged on the helical duct 3 between water inlet 4 and the water out 5; In actual use, behind the feeding recirculated water, in whole helical duct 3, form cooling circulating water; Carry out thermal energy exchange between the water in whole shaping former 1 and the helical duct 3 at this moment, make shaping former 1 temperature reduce, and then the entire die temperature reduces; Lubricant in material can not volatilize because of temperature is high and influence serviceability like this, causes product stripping power to become big, is the frictional force that reduces between the two on the contrary; And then reduce the damage of mould, and also just reduced the scrappage of product, increase work efficiency and product percent of pass; Reduce production costs to company, enhance one's market competitiveness!
Owing to the setting of cooling structure, make the temperature constant of mould, to suppress like this in the production process, the expansion of mould and punching pin reduces, and improves the stability of the product of suppressing out, and product also not hot, is beneficial to arrangement, raises the efficiency simultaneously!
By on can know that the utility model is simple and practical, not only be implemented in the long-term compacting production process; The temperature constant of mould, the product that compacting is come out is no longer hot, and stability improves greatly; Operating efficiency and qualification rate also increase substantially thereupon, and contained lubricant is obvious to the lubricant effect of mould in the material, and product stripping power reduces simultaneously; Die wear reduces, and then improves the service life of mould.
The embodiment that the above is merely the utility model is not the restriction to this case design, and all equivalent variations of doing according to the design key of this case all fall into the protection domain of this case.

Claims (2)

1. the water-cooled mold that is used for powder metallurgy comprises the shaping former, is arranged on the outside former jacket of shaping former, it is characterized in that the outer wall of said shaping former is provided with cooling structure, and said cooling structure is the spirality setting.
2. according to the said water-cooled mold that is used for powder metallurgy of claim 1, it is characterized in that: said cooling structure comprises water inlet, water out, and is arranged on the helical duct between water inlet and the water out.
CN2011204212364U 2011-10-20 2011-10-20 Water-cooled mould for powder metallurgy Expired - Fee Related CN202291404U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204212364U CN202291404U (en) 2011-10-20 2011-10-20 Water-cooled mould for powder metallurgy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204212364U CN202291404U (en) 2011-10-20 2011-10-20 Water-cooled mould for powder metallurgy

Publications (1)

Publication Number Publication Date
CN202291404U true CN202291404U (en) 2012-07-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204212364U Expired - Fee Related CN202291404U (en) 2011-10-20 2011-10-20 Water-cooled mould for powder metallurgy

Country Status (1)

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CN (1) CN202291404U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102921947A (en) * 2012-11-20 2013-02-13 殷逢宝 Improved structure of powder metallurgy die
CN103817325A (en) * 2014-02-28 2014-05-28 张家港振江粉末冶金制品有限公司 Water cooling type powder metallurgy die
CN104209417A (en) * 2014-09-28 2014-12-17 安庆帝伯粉末冶金有限公司 Outer die for cooling forming die of valve guide pipe
CN105492180A (en) * 2013-06-12 2016-04-13 Eta瑞士钟表制造股份有限公司 Method and unit for producing a mechanical part by sintering a powder metal material
CN106944591A (en) * 2017-03-16 2017-07-14 苏州金瑞阳模具有限公司 A kind of water cooling mold that need not be welded and its application method
CN107351227A (en) * 2017-06-28 2017-11-17 横店集团东磁股份有限公司 A kind of dry-pressing formed cavity plate of permanent-magnet ferrite

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102921947A (en) * 2012-11-20 2013-02-13 殷逢宝 Improved structure of powder metallurgy die
CN105492180A (en) * 2013-06-12 2016-04-13 Eta瑞士钟表制造股份有限公司 Method and unit for producing a mechanical part by sintering a powder metal material
CN103817325A (en) * 2014-02-28 2014-05-28 张家港振江粉末冶金制品有限公司 Water cooling type powder metallurgy die
CN104209417A (en) * 2014-09-28 2014-12-17 安庆帝伯粉末冶金有限公司 Outer die for cooling forming die of valve guide pipe
CN106944591A (en) * 2017-03-16 2017-07-14 苏州金瑞阳模具有限公司 A kind of water cooling mold that need not be welded and its application method
CN107351227A (en) * 2017-06-28 2017-11-17 横店集团东磁股份有限公司 A kind of dry-pressing formed cavity plate of permanent-magnet ferrite

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120704

Termination date: 20131020