CN201132215Y - Isostatic cool pressing forming die for filter tube with closing end - Google Patents
Isostatic cool pressing forming die for filter tube with closing end Download PDFInfo
- Publication number
- CN201132215Y CN201132215Y CNU2007200330967U CN200720033096U CN201132215Y CN 201132215 Y CN201132215 Y CN 201132215Y CN U2007200330967 U CNU2007200330967 U CN U2007200330967U CN 200720033096 U CN200720033096 U CN 200720033096U CN 201132215 Y CN201132215 Y CN 201132215Y
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- rubber sleeve
- rubber
- pipe
- end socket
- screen pipe
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Abstract
The utility model discloses a filter pipe cold isostatic compaction mould with an end closure, which comprises a core rod positioned at the inner part of a rubber sleeve, a perforated metallic sleeve sheathed on the rubber sleeve, and an anuular plug which is used for sealing is fixed on the bottom part of the rubber sleeve by a hoop piece, wherein, the top part of the rubber sleeve is sheathed with a rubber cap which has the same contractility with that of the rubber sleeve, the rubber sleeve and the rubber cap are sealed and fixed by adopting a sealing strip with the same contractility, the bottom part of the inner side of the rubber cap is provided with a metal thin plate corresponding to the shape of the outer end surface of the end closure, and a metal powder filling cavity corresponding to a filter pipe green compact needing to be manufactured is formed among the rubber sleeve, the metal thin plate and the core rod positioned between the rubber sleeve and the metal thin plate. The filter pipe cold isostatic compaction mould has the advantages of simple structure, convenient operation and use, low fabrication cost, high quality of the compacted filter pipes with end closures, good consistency of green compact strength of the pipe wall and pipe bottom, no occurrence of bottom-off caused by cracks generated between the pipe bottom and bottom wall owing to the large difference between the green compact strength of the pipe bottom and pipe wall.
Description
Technical field
The utility model relates to powder metallurgical technology, particularly relates to a kind of screen pipe cold isostatic compaction mould with end socket.
Background technology
At present, sintering metal powder filters the moulding of pipe and adopts the powder metallurgy cold isostatic compaction mostly, and the mould that it adopted is made up of plug, perforated metal cover, rubber sleeve, rubbery stopper and metal lock ring ring.Rubbery stopper is filled in back metal lock ring ring encircling sealing in the rubber sleeve, to prevent that hydraulic medium infilters in the powder compact in isostatic cool pressing.When the porous metals screen pipe of press belt end socket, add the end socket that certain thickness metal dust is used for the molding filter pipe on the top of plug.Rubbery stopper also has the effect of compression moulding screen pipe end socket except sealing function.Generally select rubbery stopper according to the external diameter size of compacting screen pipe, the thickness of stopper is generally between 20mm-60mm.If stopper is thinner, metal lock ring ring is easy to cause the rubbery stopper central protrusion when binding, and influences seal head molding; But if rubbery stopper is too thick, the pressure that acts on the stopper top when isostatic pressing is delivered to the power of end socket powder and loses again seriously, also influences seal head molding.In addition, metal lock ring ring the time can not shrink with rubbery stopper and rubber sleeve together in compacting, makes when pressure is big to produce the slit between rubbery stopper after shrinking and the rubber sleeve and leak the feed liquor piezodielectric, makes pressed compact generation immersion liquid phenomenon.Above-mentioned shortcoming is the forming property of the main cause that causes the pressed compact yield rate lower, particularly metal dust when relatively poor, and above-mentioned shortcoming is particularly outstanding in time at the bottom of the molding filter pipe pipe.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of screen pipe cold isostatic compaction mould with end socket is provided, it is simple in structure and manipulate easy, the screen pipe quality height of the band end socket of institute's compression moulding, tube wall and the pipe compact strength high conformity at the end.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of screen pipe cold isostatic compaction mould with end socket, comprise the plug 3 that is positioned at rubber sleeve 1 inside, be enclosed within the perforated metal cover on the rubber sleeve 1 and be fixed on the ring plug 9 that rubber sleeve 1 bottom is used to seal by fastening piece 8, described rubber sleeve 1 top is set with a rubber cap consistent with its shrinkage 5, the two employing has inotropic band equally and carries out sealing and fixing, rubber cap 5 inside bottom are placed with and the corresponding sheet metal 6 of end socket outer face shape, rubber sleeve 1, sheet metal 6 and the corresponding metal dust 2 of the screen pipe pressed compact that forms between the two inner plug 3 and need to make are filled chambeies.
As a kind of preferred version of the present utility model, described band is a latex band 7, adopts latex band 7 that rubber cap 5 outward flanges are fixed on rubber sleeve 1 outer surface.
As another kind of preferred version of the present utility model, described perforated metal cover is perforation steel bushing 4.
As another preferred version of the present utility model, the sidewall of described rubber cap 5 is identical with the thickness of bottom.
To sum up, adopt a kind of screen pipe cold isostatic compaction mould of the utility model, have the following advantages with end socket: 1, simple and reasonable, manipulate easy; 2, cost of manufacture is low; 3, shaping mould and the sealing at the bottom of adopting contractile elastic caoutchouc cover and latex band as screen pipe pressed compact pipe, shrink simultaneously and resilience in when compacting and rubber sleeve, substantially do not produce the pressure loss, the screen pipe tube wall of the band end socket of institute's compression moulding and the pipe compact strength high conformity at the end, breaking off the base because of the intensity of managing the end and tube wall pressed compact differs to cause more greatly to crack between the two can not appear in the intensity uniformity height of whole body pressed compact; 4, shaped article quality height can effectively improve pipe base pressure base intensity in the tubulose pressed compact at the bottom of the moulding band pipe, also higher relatively for the screen pipe quality of the band end socket of the relatively poor metal dust institute moulding of forming property.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model rubber cap part.
Description of reference numerals:
The 1-rubber sleeve; The 2-metal dust; The 3-plug;
The 4-steel bushing of boring a hole; The 5-rubber cap; The 6-sheet metal;
7-latex band; The 8-fastening piece; The 9-ring plug.
The specific embodiment
As shown in Figure 1, the screen pipe cold isostatic compaction mould of described band end socket comprises the plug 3 that is positioned at rubber sleeve 1 inside, is enclosed within the perforation steel bushing 4 on the rubber sleeve 1 and is fixed on the ring plug 9 that rubber sleeve 1 bottom is used to seal by fastening piece 8, be set with a corresponding to rubber cap 5 of shrinkage at rubber sleeve 1 top, the two employing has inotropic latex band 7 equally and carries out sealing and fixing, and rubber cap 5 outward flanges are fixed on rubber sleeve 1 outer surface.Be placed with and the corresponding sheet metal 6 of end socket outer face shape in rubber cap 5 inside bottom simultaneously, rubber sleeve 1, sheet metal 6 and the corresponding metal dust of screen pipe pipe that forms between the two inner plug 3 and need to make are filled the chamber.In conjunction with Fig. 2, the sidewall of described rubber cap 5 is identical with the thickness of bottom, and its material is the same with rubber sleeve 1 with quality.
Before the compacting, at first be fixed on rubber sleeve 1 bottom stationary annular plug 9 with fastening piece 8, subsequently between rubber sleeve 1 and plug 3 and plug 3 tops load onto metal dust, again sheet metal 6 is placed on the top of metal dust in the rubber sleeve 1, in order to holding tube bottom head plane shape.Buckle rubber cap 5 in the outside, rubber sleeve 1 top more afterwards, tightly wrap latex band 7, finish the assembling of entire die.Shaping mould and sealing at the bottom of the screen pipe pressed compact pipe of elastic caoutchouc cap 5 that this kind employing can be shunk and latex band 7 conduct band end sockets, shrink simultaneously and resilience in when compacting and rubber sleeve 1, substantially do not produce the pressure loss, end socket is promptly managed the compact strength high conformity of the end and tube wall, can not occur breaking off the base because of the intensity of managing the end and tube wall pressed compact differs to cause more greatly to crack between the two.The quality height of this shaping structures product can effectively improve pipe base pressure base intensity in the tubulose pressed compact at the bottom of the moulding band pipe, also higher relatively for the screen pipe quality of the band end socket of the relatively poor metal dust institute moulding of forming property.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the spirit and scope of technical solutions of the utility model.
Claims (4)
1. screen pipe cold isostatic compaction mould with end socket, comprise and be positioned at the inner plug (3) of rubber sleeve (1), be enclosed within the perforated metal cover on the rubber sleeve (1) and be fixed on the ring plug (9) that rubber sleeve (1) bottom is used to seal by fastening piece (8), it is characterized in that: described rubber sleeve (1) top is set with a rubber cap consistent with its shrinkage (5), the two employing has inotropic band equally and carries out sealing and fixing, rubber cap (5) inside bottom is placed with and the corresponding sheet metal of end socket outer face shape (6), rubber sleeve (1), sheet metal (6) and be positioned between the two inner plug (3) the corresponding metal dust of screen pipe pressed compact (2) that forms with needing to make and fill the chamber.
2. according to the described a kind of screen pipe cold isostatic compaction mould with end socket of claim 1, it is characterized in that: described band is latex band (7), adopts latex band (7) that rubber cap (5) outward flange is fixed on rubber sleeve (1) outer surface.
3. according to claim 1 or 2 described a kind of screen pipe cold isostatic compaction moulds with end socket, it is characterized in that: described perforated metal cover is perforation steel bushing (4).
4. according to claim 1 or 2 described a kind of screen pipe cold isostatic compaction moulds with end socket, it is characterized in that: the sidewall of described rubber cap (5) is identical with the thickness of bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200330967U CN201132215Y (en) | 2007-12-10 | 2007-12-10 | Isostatic cool pressing forming die for filter tube with closing end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200330967U CN201132215Y (en) | 2007-12-10 | 2007-12-10 | Isostatic cool pressing forming die for filter tube with closing end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201132215Y true CN201132215Y (en) | 2008-10-15 |
Family
ID=40060489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200330967U Expired - Fee Related CN201132215Y (en) | 2007-12-10 | 2007-12-10 | Isostatic cool pressing forming die for filter tube with closing end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201132215Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101518812B (en) * | 2009-04-07 | 2011-01-26 | 贵阳高新金睿通纳科技有限公司 | Dry press forming method of nano-micron composite material tubular member and dry press forming device of nano-micron composite material tubular member |
| CN102133768A (en) * | 2010-12-31 | 2011-07-27 | 成都易态科技有限公司 | Cold isostatic compaction mould for multi-channel filter elements and method for producing multi-channel filter elements made of intermetallic compounds |
| CN102717071A (en) * | 2012-05-17 | 2012-10-10 | 韶关市贝瑞过滤科技有限公司 | Metal-powder-tube-used mould with uniform wall thickness and long size, and preparation method thereof |
| CN103691324A (en) * | 2013-12-12 | 2014-04-02 | 西北有色金属研究院 | Integrated tubular metal micro-filtration membrane element and preparation method thereof |
| CN103862053A (en) * | 2012-12-11 | 2014-06-18 | 昆山海普过滤分离科技有限公司 | Metal powder tube forming die and metal powder tube preparation method |
| CN109746439A (en) * | 2019-03-19 | 2019-05-14 | 金堆城钼业股份有限公司 | A kind of static pressure Accurate Shaping devices such as molybdenum heavy wall pipe and uniforming sintering method |
| CN110014156A (en) * | 2019-03-19 | 2019-07-16 | 江门富祥电子材料有限公司 | A kind of method that powder metallurgy prepares tantalum pipe |
| CN110788325A (en) * | 2019-09-10 | 2020-02-14 | 西安石油大学 | Preparation method and application of stainless steel porous filter tube |
| CN111790906A (en) * | 2020-06-15 | 2020-10-20 | 陕西斯瑞新材料股份有限公司 | Collapsible wet pocket formula cold isostatic compaction mould |
| CN115921861A (en) * | 2022-12-02 | 2023-04-07 | 同创(丽水)特种材料有限公司 | Cold isostatic pressing preparation method of metal bar |
-
2007
- 2007-12-10 CN CNU2007200330967U patent/CN201132215Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101518812B (en) * | 2009-04-07 | 2011-01-26 | 贵阳高新金睿通纳科技有限公司 | Dry press forming method of nano-micron composite material tubular member and dry press forming device of nano-micron composite material tubular member |
| CN102133768A (en) * | 2010-12-31 | 2011-07-27 | 成都易态科技有限公司 | Cold isostatic compaction mould for multi-channel filter elements and method for producing multi-channel filter elements made of intermetallic compounds |
| CN102133768B (en) * | 2010-12-31 | 2013-01-02 | 成都易态科技有限公司 | Cold isostatic compaction mould for multi-channel filter elements and method for producing multi-channel filter elements made of intermetallic compounds |
| CN102717071A (en) * | 2012-05-17 | 2012-10-10 | 韶关市贝瑞过滤科技有限公司 | Metal-powder-tube-used mould with uniform wall thickness and long size, and preparation method thereof |
| CN103862053B (en) * | 2012-12-11 | 2016-08-03 | 苏州海普过滤分离科技有限公司 | The preparation method of sintering metal powder filter tube |
| CN103862053A (en) * | 2012-12-11 | 2014-06-18 | 昆山海普过滤分离科技有限公司 | Metal powder tube forming die and metal powder tube preparation method |
| CN103691324B (en) * | 2013-12-12 | 2016-06-08 | 西北有色金属研究院 | A kind of monoblock type tubulose metal micro-filtration membrane element and its preparation method |
| CN103691324A (en) * | 2013-12-12 | 2014-04-02 | 西北有色金属研究院 | Integrated tubular metal micro-filtration membrane element and preparation method thereof |
| CN109746439A (en) * | 2019-03-19 | 2019-05-14 | 金堆城钼业股份有限公司 | A kind of static pressure Accurate Shaping devices such as molybdenum heavy wall pipe and uniforming sintering method |
| CN110014156A (en) * | 2019-03-19 | 2019-07-16 | 江门富祥电子材料有限公司 | A kind of method that powder metallurgy prepares tantalum pipe |
| CN109746439B (en) * | 2019-03-19 | 2021-06-01 | 金堆城钼业股份有限公司 | Isostatic pressing accurate forming device and homogeneous sintering method for molybdenum thick-wall tube blank |
| CN110788325A (en) * | 2019-09-10 | 2020-02-14 | 西安石油大学 | Preparation method and application of stainless steel porous filter tube |
| CN111790906A (en) * | 2020-06-15 | 2020-10-20 | 陕西斯瑞新材料股份有限公司 | Collapsible wet pocket formula cold isostatic compaction mould |
| CN115921861A (en) * | 2022-12-02 | 2023-04-07 | 同创(丽水)特种材料有限公司 | Cold isostatic pressing preparation method of metal bar |
| CN115921861B (en) * | 2022-12-02 | 2023-11-10 | 同创(丽水)特种材料有限公司 | Cold isostatic pressing preparation method of metal bar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XI'AN BODE POWDER METALLURGY CO., LTD. Free format text: FORMER OWNER: XIBEI INST. OF NON-FERROUS METALS Effective date: 20090522 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090522 Address after: Shaanxi City, Xi'an province Weiyang Road No. 96, zip code: 710016 Patentee after: Xi'an Baode Powder Metallurgy Co., Ltd. Address before: Shaanxi province Xi'an Weiyang Weiyang road 96, zip code: 710016 Patentee before: Xibei Non-ferrous Metals Research Inst. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081015 Termination date: 20151210 |
|
| EXPY | Termination of patent right or utility model |