CN102248162B - Electromagnetically driven powder compacting device - Google Patents
Electromagnetically driven powder compacting device Download PDFInfo
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- CN102248162B CN102248162B CN 201110172608 CN201110172608A CN102248162B CN 102248162 B CN102248162 B CN 102248162B CN 201110172608 CN201110172608 CN 201110172608 CN 201110172608 A CN201110172608 A CN 201110172608A CN 102248162 B CN102248162 B CN 102248162B
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- guide rod
- compacting
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Abstract
The invention discloses an electromagnetically driven powder compacting device which comprises a base, an upper mounting plate, a mold, a compacting punch and a flat plate coil, wherein a bracket is fixedly arranged on the base, the upper mounting plate is fixedly connected with the upper end of the bracket, the flat plate coil is fixedly arranged on the upper mounting plate; the electromagnetically driven powder compacting device is characterized in that a guide plate is arranged at the upper end of the compacting punch, a metal driving sheet is fixedly arranged on the upper end surface of the guide plate, a first guide rod is fixedly arranged on the base, the guide plate is sleeved on the first guide rod, a first spring is sleeved on the first guide rod, a floating plate is arranged in the base, the mold is placed on the floating plate, a core rod is fixedly arranged on the base, the core rod is penetrated through the floating plate and extended into the mold, a positioning mechanism is arranged on the compacting punch, and an elastic adjusting mechanism is arranged between the floating plate and the base. The invention has the advantages that the compacted finished products have high quality due to two-direction compacting of the powder, and the gap between the metal driving sheet and the flat plate coil can be adjusted through rotational adjustment of a nut, thereby controlling the electromagnetic driving force applied to the compacting punch.
Description
Technical field
The present invention relates to a kind of powder forming processing unit (plant), relate in particular to a kind of powder pressing device of Electromagnetic Drive.
Background technology
In field of powder metallurgy, the method for powder pressing has a lot, and more common have dry pressing, isostatic pressing method, an injection moulding etc.This several method basically all is to become uniform feeding with metal dust or ceramic powders and binding agent are mixing; Obtain metallurgical product through compacting then, but this several method shaping efficiency is low, cost is high, feature of environmental protection difference and employed plant equipment expensive with certain density.
At present, utilize the powder pressing device of Electromagnetic Drive to begin to get into people's the visual field, but the controllability of the powder pressing device of present this Electromagnetic Drive is poor, and generally adopts unidirectional compacting, the end product quality that causes suppressing is poor.
Summary of the invention
Technical problem to be solved by this invention provides a kind of powder pressing device of realizing the Electromagnetic Drive of two-way compacting.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of powder pressing device of Electromagnetic Drive, comprise base, upper mounting plate, mould, compacting drift and plate coil, and be set with support on the described base; Described upper mounting plate is fixedly connected on the upper end of described support, and described plate coil is fixedly installed on the described upper mounting plate, and the upper end of described compacting drift is provided with guide plate; The upper surface of described guide plate is set with the metal driving sheet; Described metal driving sheet and described plate coil are oppositely arranged, and are set with the first vertical guide rod on the described base, and described guide plate is enclosed within on described first guide rod; Be arranged with first spring on described first guide rod; Described first spring withstands between described guide plate and the described base, is provided with float plate in the described base, and described mould is placed on the described float plate; Be set with plug on the described base; The described float plate of passing described plug stretches in the described mould, and described compacting drift is provided with detent mechanism, is provided with flexible adjustment mechanism between described float plate and the described base.
Described flexible adjustment mechanism comprises the bolt guide rod and second spring; Be provided with ladder hole in the described float plate; Described ladder hole and described base bolt are passed in the lower end of described bolt guide rod; Described second spring housing is on described bolt guide rod, and described second spring withstands between described float plate and the described base.
Described detent mechanism is fixedly sleeved locating piece on described compacting drift, and the lower surface of described locating piece is higher than the lower surface of described compacting drift.
Described detent mechanism is the double nut that is screwed onto on the described compacting drift.
Be bolted with adjusting nut on described first guide rod, described first spring withstands between described guide plate and the described adjusting nut.
Described guide plate is arranged with guide cylinder outward, and described guide cylinder is fixed between described upper mounting plate and the described base, and described guide cylinder is provided with opening.
The upper end of described compacting drift is wholely set the circular cone of back taper, and described guide plate is wholely set on described circular cone, links to each other with the compacting drift through circular cone, helps concentrating of electromagnetic force.
Be set with the coil stationary plate of insulation on the described upper mounting plate, described plate coil is fixedly installed on the described coil stationary plate.
The upper end of described first guide rod is provided with limited block, and described limited block is positioned at the top of described guide plate.
Compared with prior art; Advantage of the present invention is because the compacting drift is provided with detent mechanism, is provided with flexible adjustment mechanism between float plate and the base, after impacting electromagnetic force driving compacting drift pressed powder and moving down a segment distance; Detent mechanism on the compacting drift is run into mould; Elastic band moving mold and float plate that the compacting drift overcomes second spring continue to move down together, and at this moment, the relative mould of plug in the mould moves up; Thereby realize the two-way compacting of powder, make the end product quality that suppresses high; And first be bolted with adjusting nut on the guide rod, and first spring withstands between guide plate and the adjusting nut, through the rotation adjusting nut, can adjust the gap between metal driving sheet and the plate coil, and then can control the electromagnetic actuation force that imposes on the compacting drift; In addition, guide plate is arranged with guide cylinder outward, make moving up and down of compacting drift more stable, and the stamping position of compacting drift is more accurate.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 suppresses drift, mould and plug three's position relationship change sketch map in powder compaction process for the present invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As shown in the figure, a kind of powder pressing device of Electromagnetic Drive comprises base 1, upper mounting plate 2, mould 3, compacting drift 4 and plate coil 5; Be set with support 11 on the base 1, upper mounting plate 2 is fixedly connected on the upper end of support 11, is set with the coil stationary plate 21 of insulation on the upper mounting plate 2; Plate coil 5 is fixedly installed on the coil stationary plate 21, and the upper end of compacting drift 4 is wholely set the circular cone 41 of back taper, has been wholely set guide plate 42 on the circular cone 41; The upper surface of guide plate 42 is set with metal driving sheet 6, and metal driving sheet 6 is oppositely arranged with plate coil 5, is set with the first vertical guide rod 12 on the base 1; Guide plate 42 is enclosed within on first guide rod 12, is arranged with on first guide rod 12 on first spring, 7, the first guide rods 12 and is bolted with adjusting nut 13; First spring 7 withstands between guide plate 42 and the adjusting nut 13, and the upper end of first guide rod 12 is provided with limited block 17, and limited block 17 is positioned at the top of guide plate 42; Be arranged with guide cylinder 8 outside the guide plate 42, guide cylinder 8 is fixed between upper mounting plate 2 and the base 1, and guide cylinder 8 is provided with opening (not marking among the figure); Be provided with float plate 14 in the base 1, mould 3 is placed on the float plate 14, is set with plug 9 on the base 1; The float plate 14 of passing plug 9 stretches in the mould 3, is provided with flexible adjustment mechanism between float plate 14 and the base 1, and flexible adjustment mechanism comprises the bolt guide rod 15 and second spring 16; Be provided with ladder hole 141 in the float plate 14, ladder hole 141 and base 1 bolt are passed in the lower end of bolt guide rod 15, and second spring 16 is enclosed within on the bolt guide rod 15; Second spring 16 withstands between float plate 14 and the base 1, is bolted with double nut 43 on the compacting drift 4.
In the foregoing description, also can on compacting drift 4, substitute double nut 43 by fixedly sleeved locating piece, the lower surface of locating piece is higher than the lower surface of suppressing drift 4; The material of metal driving sheet 6 can adopt metals such as aluminium, copper, iron; Opening on the guide cylinder 8 can be greater than 1/4 guide cylinder anchor ring, so that the taking and treat the perfusion of pressed powder of finished product in the mould 3.
The pressing process of this device is: plate coil 5 moments connection dc high-voltage, produce a powerful pulsed magnetic field around it, and metal driving sheet 6 inductions simultaneously produce the eddy current of ring-types; And produce a reverse opposing magnetic field; Under this acting in conjunction to opposite polarity magnetic field, promote compacting drift 4 downward rapid movements, the first half of the powder in the mould 3 is suppressed (like Fig. 2 b); And when the double nut 43 on the compacting drift 4 is run into mould 3; The elastic band moving mold 3 that compacting drift 4 overcomes second spring 16 continues to move down with float plate 14 together, and at this moment, plug 9 relative moulds 3 move up; The latter half to the powder in the mould 3 is suppressed (like Fig. 2 c), thereby realizes the two-way compacting of powder.
Claims (7)
1. the powder pressing device of an Electromagnetic Drive comprises base, upper mounting plate, mould, compacting drift and plate coil, is set with support on the described base; Described upper mounting plate is fixedly connected on the upper end of described support, and described plate coil is fixedly installed on the described upper mounting plate, it is characterized in that the upper end of described compacting drift is provided with guide plate; The upper surface of described guide plate is set with the metal driving sheet; Described metal driving sheet and described plate coil are oppositely arranged, and are set with the first vertical guide rod on the described base, and described guide plate is enclosed within on described first guide rod; Be arranged with first spring on described first guide rod; Be bolted with adjusting nut on described first guide rod, described first spring withstands between described guide plate and the described adjusting nut, is provided with float plate in the described base; Described mould is placed on the described float plate; Be set with plug on the described base, described plug passes described float plate and stretches in the described mould, and described compacting drift is provided with detent mechanism; Be provided with flexible adjustment mechanism between described float plate and the described base; Described flexible adjustment mechanism comprises the bolt guide rod and second spring, is provided with ladder hole in the described float plate, and described ladder hole and described base bolt are passed in the lower end of described bolt guide rod; Described second spring housing is on described bolt guide rod, and described second spring withstands between described float plate and the described base.
2. the powder pressing device of a kind of Electromagnetic Drive as claimed in claim 1 is characterized in that described detent mechanism is fixedly sleeved locating piece on described compacting drift, and the lower surface of described locating piece is higher than the lower surface of described compacting drift.
3. the powder pressing device of a kind of Electromagnetic Drive as claimed in claim 1 is characterized in that described detent mechanism is the double nut that is screwed onto on the described compacting drift.
4. the powder pressing device of a kind of Electromagnetic Drive as claimed in claim 1 is characterized in that described guide plate is arranged with guide cylinder outward, and described guide cylinder is fixed between described upper mounting plate and the described base, and described guide cylinder is provided with opening.
5. the powder pressing device of a kind of Electromagnetic Drive as claimed in claim 1 is characterized in that the upper end of described compacting drift is wholely set the circular cone of back taper, and described guide plate is wholely set on described circular cone.
6. the powder pressing device of a kind of Electromagnetic Drive as claimed in claim 1 is characterized in that being set with on the described upper mounting plate coil stationary plate of insulation, and described plate coil is fixedly installed on the described coil stationary plate.
7. the powder pressing device of a kind of Electromagnetic Drive as claimed in claim 1 is characterized in that the upper end of described first guide rod is provided with limited block, and described limited block is positioned at the top of described guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110172608 CN102248162B (en) | 2011-06-24 | 2011-06-24 | Electromagnetically driven powder compacting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110172608 CN102248162B (en) | 2011-06-24 | 2011-06-24 | Electromagnetically driven powder compacting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102248162A CN102248162A (en) | 2011-11-23 |
| CN102248162B true CN102248162B (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110172608 Expired - Fee Related CN102248162B (en) | 2011-06-24 | 2011-06-24 | Electromagnetically driven powder compacting device |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904393A (en) * | 2012-09-28 | 2013-01-30 | 广州嘉特利微电机实业有限公司 | Refrigeration compressor stator iron core re-pressing machine |
| CN108696071A (en) * | 2018-06-29 | 2018-10-23 | 上海博邦汽车技术有限公司 | Press-loading device for cover clamp |
| CN109773181A (en) * | 2019-03-08 | 2019-05-21 | 余世浩 | A kind of powder pressing device of magnetic control frequency conversion drive |
| CN109986076A (en) * | 2019-04-04 | 2019-07-09 | 武汉工程大学 | A kind of ceramic particle enhancing electromagnetism hot pressed powder forming device and method |
| CN111318691A (en) * | 2020-01-09 | 2020-06-23 | 太原开元智能装备有限公司 | Radiation ring pressing device |
| CN112207180B (en) * | 2020-09-01 | 2022-08-23 | 广州敏实汽车零部件有限公司 | Punching die tolerance absorption flexible structure |
| CN114734037B (en) * | 2022-04-26 | 2023-10-10 | 厦门理工学院 | High-density part and pressing method and pressing device thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4456445A (en) * | 1982-02-23 | 1984-06-26 | Ptx-Pentronix, Inc. | Mounting structure for die, punch and core rod assembly for compacting powder material |
| JP2001131606A (en) * | 1999-11-08 | 2001-05-15 | Hitachi Powdered Metals Co Ltd | Core rod for powder molding and powder compacting method using the rod |
| CN2483124Y (en) * | 2001-06-13 | 2002-03-27 | 王爱中 | Magnetic field powder formation pressing machine |
| CN2559082Y (en) * | 2002-07-03 | 2003-07-02 | 董中天 | Three shaft pressure magnetic field former |
| CN1323820C (en) * | 2004-06-18 | 2007-07-04 | 武汉理工大学 | Functional ceramic low voltage discharge compression forming method |
| CN202162380U (en) * | 2011-06-24 | 2012-03-14 | 宁波大学 | Electromagnetic-driven powder pressing device |
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2011
- 2011-06-24 CN CN 201110172608 patent/CN102248162B/en not_active Expired - Fee Related
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| CN102248162A (en) | 2011-11-23 |
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