CN104368810A - Die for machining powder metallurgy multi-step part - Google Patents
Die for machining powder metallurgy multi-step part Download PDFInfo
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- CN104368810A CN104368810A CN201410596844.7A CN201410596844A CN104368810A CN 104368810 A CN104368810 A CN 104368810A CN 201410596844 A CN201410596844 A CN 201410596844A CN 104368810 A CN104368810 A CN 104368810A
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- die
- plunger chip
- chip die
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Abstract
The invention discloses a die for machining a powder metallurgy multi-step part. The die comprises a female die and a puncher pin die assembly. The female die comprises a female die body and a die sleeve for fixing the part. A first through hole is formed in the die sleeve. The puncher pin die assembly comprises a first puncher pin die, a second puncher pin die, a third puncher pin die, a fourth puncher pin die and a fifth puncher pin die, wherein the second puncher pin die is located above the first through hole and provided with a second through hole which the first puncher pin die is allowed to enter, the third puncher pin die is located below the first through hole and provided with a third through hole which the fourth puncher pin die is allowed to enter, and the fourth puncher pin die is provided with a fourth through hole which the fifth puncher pin die is allowed to enter. According to the die, the powder metallurgy multi-step part can be simultaneously machined and formed at a time, the machining size is precise, and the cost is reduced.
Description
Technical field
The present invention relates to a kind of mould, particularly relate to a kind of mould processing powder metallurgy multi-step parts.
Background technology
Mould, in industrial production in order to injection moulding, blowing, extrude, various mould and instrument that the method such as die casting or forging forming, smelting, punching press, stretching obtains required product.In brief, mould is used to the instrument of formed article, and this instrument is made up of various part, and different moulds is made up of different parts.It realizes the processing of article profile mainly through the change of institute's moulding material physical state.
Powder metallurgy be produce metal dust or with metal dust (or mixture of metal dust and non-metal powder) as raw material, through shaping and sintering, produce the industrial technology of metal material, composite and all kinds goods.At present, PM technique has been widely used in the fields such as traffic, machinery, electronics, Aero-Space, weapons, biology, new forms of energy, information and nuclear industry, becomes one of branch of most development vitality in new material science.PM technique possess significantly energy-conservation, economize the high and series of advantages such as good stability of material, excellent performance, Product Precision, be very suitable for producing in enormous quantities.In addition, the material that part conventional casting methods and machining process cannot be prepared and complex parts also available powders metallurgical technology manufacture, thus enjoy the attention of industrial quarters.The sintered metal product industry of broad sense has included iron-stone cutter, carbide alloy, magnetic material and sintered metal product etc.The sintered metal product industry of narrow sense only refers to sintered metal product, comprises powdered metal parts (accounting for the overwhelming majority), oiliness bearing and metal ejection formation goods etc.
Need repeatedly to process during existing Mould Machining powder metallurgy multi-step parts, cause that machining accuracy is not high, cost intensive.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of mould processing powder metallurgy multi-step parts, this mould can be processed powder metallurgy multi-step parts simultaneously, once-forming, processing dimension accurately, reduce production cost.
A kind of mould processing powder metallurgy multi-step parts, comprise die and plunger chip die assembly, die comprises die body and the die sleeve for retaining element, die sleeve offers the first through hole, plunger chip die assembly comprises the first plunger chip die, second plunger chip die, 3rd plunger chip die, 4th plunger chip die and the 5th plunger chip die, second plunger chip die is positioned at above the first through hole, and offer the second through hole entered for the first plunger chip die, 3rd plunger chip die is positioned at below the first through hole, and offer the third through-hole entered for the 4th plunger chip die, 4th plunger chip die offers the fourth hole entered for the 5th plunger chip die.
Preferably, mould of the present invention also comprises the drive set component for driving plunger chip die component movement, plunger chip die assembly is equipped with the pressure sensor for detecting pressure between plunger chip die assembly and powder metallurgy multi-step parts, drive set component is connected with the control device that the signal detected according to pressure sensor carrys out accessory drive Component driver power size.
Preferably, the inwall of the first through hole is provided with curing molybdenum layer, and molybdenum bisuphide layer thickness is 0.5 ~ 1.5mm.
Molybdenum bisuphide has the following advantages: coefficient of friction is low, and the frictional resistance produced between friction device is little, can save power consumption; Can mechanical wear be reduced, extend the service life of friction device, reduce the loss of equipment part, improve the rate of attendance of equipment; Application molybdenum bisuphide lubrication, can technical solution crucial, increase work efficiency and operating accuracy.Molybdenum bisuphide has the effect of filling up, and can recover the physical dimension of some part, increase the service life.
Preferably, the first plunger chip die and the 4th plunger chip die are arranged with carborundum annulus.
Carborundum stable chemical performance, thermal conductivity factor are high, thermal coefficient of expansion is little, anti-wear performance is good; Resistance to thermal shock, volume are little, lightweight and intensity is high, and hardness is fabulous.
Compared with prior art, the present invention has following beneficial effect: the mould of processing powder metallurgy multi-step parts provided by the invention comprises die and plunger chip die assembly, die comprises die body and the die sleeve for retaining element, die sleeve offers the first through hole, plunger chip die assembly comprises the first plunger chip die, second plunger chip die, 3rd plunger chip die, 4th plunger chip die and the 5th plunger chip die, second plunger chip die is positioned at above the first through hole, and offer the second through hole entered for the first plunger chip die, 3rd plunger chip die is positioned at below the first through hole, and offer the third through-hole entered for the 4th plunger chip die, described 4th plunger chip die offers the fourth hole entered for the 5th plunger chip die.Mould of the present invention can be processed powder metallurgy multi-step parts simultaneously, once-forming, processing dimension accurate, reduce production cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is powder metallurgy multi-step parts structural representation of the present invention.
Accompanying drawing indicates as follows: 1-first plunger chip die, 2-second plunger chip die, 3-the 3rd plunger chip die, 4-the 4th plunger chip die, 5-the 5th plunger chip die, 6-die, 7-powder metallurgy multi-step parts, 71-First terrace, 72-second step face, 73-the 3rd step surface, 74-the 4th step surface, 75-the 5th step surface.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
See Fig. 1, a kind of mould processing powder metallurgy multi-step parts 7 of the present embodiment, comprise die 6 and plunger chip die assembly, die 6 comprises die body and the die sleeve for retaining element, die sleeve offers the first through hole, plunger chip die assembly comprises the first plunger chip die 1, second plunger chip die 2, 3rd plunger chip die 3, 4th plunger chip die 4 and the 5th plunger chip die 5, second plunger chip die 2 is positioned at above the first through hole, and offer the second through hole entered for the first plunger chip die 1, 3rd plunger chip die 3 is positioned at below the first through hole, and offer the third through-hole entered for the 4th plunger chip die 4, 4th plunger chip die 4 offers the fourth hole entered for the 5th plunger chip die 5.
The process of the Mould Machining powder metallurgy multi-step parts 7 of the present embodiment is: be fixed on die sleeve by powder metallurgy multi-step parts 7, and the second plunger chip die 2, first plunger chip die 1 carries out processing to powder metallurgy multi-step parts 7 respectively through the second through hole and obtains the 4th step surface 74 and the 5th step surface 75; Meanwhile, the 3rd plunger chip die 3, the 4th plunger chip die 4 carry out processing to the lower surface of powder metallurgy multi-step parts 7 respectively through the 4th mould obtain the 3rd step surface 73, second step face 72, First terrace 71 through third through-hole, the 5th plunger chip dies 5.The process of powder metallurgy multi-step parts 7 is carried out simultaneously, once-forming, greatly reduce error, machining accuracy is provided, greatly save cost.
Preferably, the mould of the present embodiment also comprises the drive set component for driving plunger chip die component movement, plunger chip die assembly is equipped with the pressure sensor for detecting pressure between plunger chip die assembly and part, drive set component is connected with the control device that the signal detected according to pressure sensor carrys out accessory drive Component driver power size.
During processing powder metallurgy multi-step parts 7, the pressure between plunger chip die assembly and powder metallurgy multi-step parts 7 can be learnt by pressure sensor, according to actual needs, by the driving force size of control device adjustment drive set component, coordinate plunger chip die assembly to the pressure of part, process smooth sequential is carried out, greatly reduces the generation of waste material.
Preferably, the inwall of the first through hole is provided with curing molybdenum layer, and molybdenum bisuphide layer thickness is 0.5 ~ 1.5mm, and the first plunger chip die 1 and the 4th plunger chip die 4 are arranged with carborundum annulus.Curing molybdenum layer has following effect: coefficient of friction is low, greatly reduces the frictional resistance of the first through hole and plunger chip die inter-module, can economize energy consumption; The wearing and tearing of die and plunger chip die assembly can be reduced, the service life of extension device, reduce the loss of equipment part; Improve machining accuracy; There is the effect of filling up, the physical dimension of some part can be recovered, increase the service life.
Carborundum annulus has fabulous hardness and intensity, can protect the first plunger chip die 1 and the 4th plunger chip die 4, improve its intensity and hardness.
Applicant states, the present invention illustrates detailed construction of the present invention and technique by above-described embodiment, but the present invention is not limited to above-mentioned detailed construction and technique, does not namely mean that the present invention must rely on above-mentioned detailed construction and technique could be implemented.Person of ordinary skill in the field should be understood that any improvement in the present invention, to equivalence replacement and the interpolation of auxiliary element, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (5)
1. the mould of processing powder metallurgy multi-step parts (7), it is characterized in that, comprise die (6) and plunger chip die assembly, described die (6) comprises die body and the die sleeve for retaining element, described die sleeve offers the first through hole, described plunger chip die assembly comprises the first plunger chip die (1), second plunger chip die (2), 3rd plunger chip die (3), 4th plunger chip die (4) and the 5th plunger chip die (5), described second plunger chip die (2) is positioned at above described first through hole, and offer the second through hole entered for described first plunger chip die (1), described 3rd plunger chip die (3) is positioned at below described first through hole, and offer the third through-hole entered for described 4th plunger chip die (4), described 4th plunger chip die (4) offers the fourth hole entered for described 5th plunger chip die (5).
2. mould according to claim 1, it is characterized in that, also comprise the drive set component for driving described plunger chip die component movement, described plunger chip die assembly is equipped with the pressure sensor for detecting pressure between described plunger chip die assembly and powder metallurgy multi-step parts (7), described drive set component is connected with the control device that the signal detected according to pressure sensor controls described drive set component driving force size.
3. mould according to claim 1, is characterized in that, the inwall of described first through hole is provided with curing molybdenum layer.
4. mould according to claim 3, is characterized in that, described molybdenum bisuphide layer thickness is 0.5 ~ 1.5mm.
5. mould according to claim 1, is characterized in that, described first plunger chip die (1) and the 4th plunger chip die (4) are arranged with carborundum annulus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410596844.7A CN104368810A (en) | 2014-10-30 | 2014-10-30 | Die for machining powder metallurgy multi-step part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410596844.7A CN104368810A (en) | 2014-10-30 | 2014-10-30 | Die for machining powder metallurgy multi-step part |
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| Publication Number | Publication Date |
|---|---|
| CN104368810A true CN104368810A (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410596844.7A Pending CN104368810A (en) | 2014-10-30 | 2014-10-30 | Die for machining powder metallurgy multi-step part |
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| CN (1) | CN104368810A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482866A (en) * | 2018-10-14 | 2019-03-19 | 哈尔滨理工大学 | A kind of microwave-assisted staged compact forming method and system for dusty material |
| CN110090951A (en) * | 2018-01-28 | 2019-08-06 | 上海奇谋能源技术开发有限公司 | A kind of briquetting process of piece or/and powder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008045148A (en) * | 2006-08-10 | 2008-02-28 | Nippon Ceramic Co Ltd | Method for producing magnet and production apparatus therefor |
| CN103170622A (en) * | 2013-04-11 | 2013-06-26 | 南京东部精密机械有限公司 | Upper three-punch device of powder metallurgy die holder |
| CN203599519U (en) * | 2013-11-27 | 2014-05-21 | 鲁银集团禹城粉末冶金制品有限公司 | Powder metallurgy die |
| CN204234728U (en) * | 2014-10-30 | 2015-04-01 | 太仓市锦立得粉末冶金有限公司 | A kind of mould processing powder metallurgy multi-step parts |
-
2014
- 2014-10-30 CN CN201410596844.7A patent/CN104368810A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008045148A (en) * | 2006-08-10 | 2008-02-28 | Nippon Ceramic Co Ltd | Method for producing magnet and production apparatus therefor |
| CN103170622A (en) * | 2013-04-11 | 2013-06-26 | 南京东部精密机械有限公司 | Upper three-punch device of powder metallurgy die holder |
| CN203599519U (en) * | 2013-11-27 | 2014-05-21 | 鲁银集团禹城粉末冶金制品有限公司 | Powder metallurgy die |
| CN204234728U (en) * | 2014-10-30 | 2015-04-01 | 太仓市锦立得粉末冶金有限公司 | A kind of mould processing powder metallurgy multi-step parts |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090951A (en) * | 2018-01-28 | 2019-08-06 | 上海奇谋能源技术开发有限公司 | A kind of briquetting process of piece or/and powder |
| CN110090951B (en) * | 2018-01-28 | 2021-08-27 | 上海奇谋能源技术开发有限公司 | Compression molding method of block or/and powder |
| CN109482866A (en) * | 2018-10-14 | 2019-03-19 | 哈尔滨理工大学 | A kind of microwave-assisted staged compact forming method and system for dusty material |
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Application publication date: 20150225 |