CN102950046A - Grinding device and method for powder metallurgy - Google Patents
Grinding device and method for powder metallurgy Download PDFInfo
- Publication number
- CN102950046A CN102950046A CN2012103037422A CN201210303742A CN102950046A CN 102950046 A CN102950046 A CN 102950046A CN 2012103037422 A CN2012103037422 A CN 2012103037422A CN 201210303742 A CN201210303742 A CN 201210303742A CN 102950046 A CN102950046 A CN 102950046A
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- feed bin
- blade
- roll
- powder metallurgy
- mixing roll
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- 238000000227 grinding Methods 0.000 title claims abstract description 30
- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 13
- 239000000843 powder Substances 0.000 claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims description 37
- 238000003825 pressing Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 15
- 238000010276 construction Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
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Abstract
A grinding device for powder metallurgy comprises a storage bin, an extruding device and a stirring device, wherein the storage bin is used for containing metallurgic powder, the extruding device is arranged in the storage bin and used for rolling the metallurgic powder, the stirring device is arranged in the storage bin and used for stirring the metallurgic powder, and a vertical extruding device for flaking the metallurgic powder is arranged in a horizontal type and is combined with the stirring device, so that the occupied space is reduced; and moreover, once feeding can be realized, repeated rolling is carried out for formation, so that the structure of the device is simplified, and the flaking rate is increased.
Description
Technical field
The present invention relates to a kind of lapping device and method, especially a kind of lapping device and Ginding process thereof for powder metallurgy.
Background technology
Powder metallurgy be produce metal or with metal dust as raw material, through being shaped and sintering, make metal material, compound and all kinds goods, be widely used in the industries such as machine tool and five metals grinding tool, during the moulding of conducting powder powder metallurgical products, needing flakelike powder is raw material, in the existing device of producing flakelike powder, the general compacting techniques such as roll-type, air-cooled, rotation that adopt form certain grinding pressure by the roll body that rotates, and make flakelike powder.But this kind flakelike powder lapping device complex structure, operation is many, and efficient is low, and power consumption is large, and cost is high, and floor space is large, and disposable input is larger, thereby causes cost high.
Summary of the invention
In order to overcome above-mentioned technical disadvantages, the purpose of this invention is to provide a kind of lapping device for powder metallurgy and Ginding process thereof, therefore simplified the structure of device, improved rate in blocks.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of lapping device for powder metallurgy, include for the feed bin that holds metallurgical powder, be arranged on feed bin and be used for the roll extrusion metallurgical powder pressurizing unit, be arranged on feed bin and be used for stirring the agitating device of metallurgical powder.
Further, described agitating device comprises the central shaft that is connected with power set, is evenly distributed with at least two blades in the central shaft feeding bin, and adjacent blades and feed bin form and grind the storehouse, is provided with a roll device in described each grinding storehouse.
Further, bleed off pressure on the described roll device and be provided with the anti-drop device that prevents that roll device breaks away from.
Further, described roll device is a mixing roll; Described anti-drop device is annular pressing plate, and annular pressing plate is fixed on the blade, and the radial distance of pressing plate outermost end and feed bin is less than the mixing roll diameter.
Further, described blade is planar, and planar blade is perpendicular to the plane at agitating device direction of motion place.
Further, described blade is crooked arcuate structure near an end of feed bin outer surface, and each bending blade is towards identical.
Further, agitating device is set to blade, pressurizing unit is set to include mixing roll, stationary roll and pressing plate, feed bin is provided with columniform inner chamber body, the center line of stationary roll is set to the central lines with the inner chamber body of feed bin, mixing roll is set at least three and be set to be evenly distributed on central point take stationary roll on the circumference in the center of circle, mixing roll is set to connect with feed bin by turning cylinder, pressing plate is arranged on the top end face of mixing roll and is set to connect with the mixing roll contact, the center line of blade is set to the central lines with the inner chamber body of feed bin, blade is set at least three and be set to and pressing plate is pegged graft, and blade is set to connect with frequency control motor by line shaft.
Further, the radial distance in interior week of the periphery of described stationary roll and feed bin adds the diameter of the not grinding material of twice less than the mixing roll diameter; Described blade and mixing roll periphery are provided with lapping tape.
A kind of Ginding process of above-mentioned lapping device:
Grinding material is not put in the feed bin feed bin upper end cover upper cover;
Start power set, rotate, rotation direction is that the convex surface of blade is towards the concave surface of adjacent blades;
Adjusting rotary speed, grinding;
Grind a period of time, stop.
A kind of Ginding process of above-mentioned lapping device;
Grinding material is not put in the feed bin feed bin upper end cover upper cover;
Start power set, rotate, rotate positive direction and be the convex surface of blade towards the concave surface of adjacent blades, adopt rotating alternately to grind, the milling time of wherein reversing is less than the forward milling time;
Grind a period of time, stop.
The present invention includes feed bin, during use metallurgical powder is poured in the feed bin, under the effect of agitating device, the metallurgical powder sheet rolls in pressurizing unit repeatedly, owing to designed feed bin, pressurizing unit and agitating device, and the vertical extrusion device that is used for metallurgical powder shape in blocks, be set to horizontal, and combine with agitating device, reduced taking up room, simultaneously, can realize once feeding intake, repeatedly roll moulding, therefore simplified the structure of device, improved rate in blocks.
Described agitating device comprises blade, and adjacent blades is separated into feed bin and grinds the storehouse, grinds in the storehouse and is provided with pressurizing unit, realizes that subregion grinds, and abrasive areas diminishes, and fully is polished so that each grinds space, every place, storehouse, and grinding effect is improved.
In the process of lapping, the feed bin High Rotation Speed, pressurizing unit constantly rocks in grinding the storehouse, pressurizing unit might be thrown out of feed bin or grind extruding force and diminish, thereby there is potential safety hazard or reduced grinding effect, and after installing anti-drop device, under the restriction of anti-drop device, pressurizing unit is limited in firmly to be ground in the storehouse, thereby has eliminated potential safety hazard on the basis that guarantees grinding effect.
Described pressurizing unit adopts mixing roll, and mixing roll is common roll body, and such as columned roll body, it can be freely movable, forms the dynamic foundation of grinding, have advantages of simple in structure, grinding effect good.
Blade is planar blade, and perpendicular to the plane at agitating device place, the abradant surface of mixing roll can be that face contacts with blade in process of lapping like this, has increased milling area, thereby has improved the effect of grinding.
The blade outer end is crooked arcuate structure, each bending blade towards and crooked curvature identical, in the spin finishing process, direction of rotation be the convex surface of blade towards the concave surface of adjacent blades, crowning contacts grinding with mixing roll like this, and convex to form a kind of outside thrust or knockout press to mixing roll, cooperate the variation of rotary speed, so that mixing roll is done circumferential movement, thereby form a kind of stir mixing effect, and strengthened grinding effect, ground evenly.
The radial distance in week adds the diameter of the not grinding material of twice in the periphery of described stationary roll and the feed bin less than the mixing roll diameter, and so fully fine grinding improves grinding effect.
Described blade and mixing roll periphery are provided with lapping tape, and described lapping tape refers to that abradant surface is provided with concavo-convex uniformly at interval.
Beneficial effect of the present invention is: grind the arc plate under the effect of centrifugal force, promotion activity abrading block rotates in feed bin, the metallurgical powder of certain particle size contacts with feed bin inwall, feed bin base plate with movable abrading block, movable abrading block repeatedly by rotating curved plate, is squeezed into flakelike powder, and rate is high in flakes.
Description of drawings
Fig. 1 is schematic diagram of the present invention.
The specific embodiment
Accompanying drawing 1 is one embodiment of the present of invention, specifies by reference to the accompanying drawings the present embodiment, includes feed bin 1, mixing roll 2, stationary roll 3, blade 4 and pressing plate 5.
Wherein, feed bin 1 is the cylindrical structural of upper end open, its central hub place is provided with rotating shaft, outer the be provided with stationary roll 3 coaxial with it of rotating shaft, described stationary roll 3 also is column structure, it can be hollow or solid construction, preferred solid construction, stationary roll 3 is positioned at feed bin 1 inside, the upper surface of the bottom surface of stationary roll 3 lower surfaces and feed bin 1 is coplanar, the upper surface is fixed with blade 4, described blade 4 is with the central hub annular array of feed bin, and quantity can be selected as required, and the present embodiment is selected 3 blades 4.
Described blade 4 is planar structure, and it is perpendicular to the plane at blade 4 rotation direction places; The bottom surface of blade 4 is close to feed bin 1 but is not contacted; The end of the part of blade 4 between stationary roll 3 and feed bin 1 is warp architecture, 3 blade 4 crooked positions, crooked towards and crooked dynamics identical; The blade 4 of bending position has formed convex surface and concave surface, and the outer wall of adjacent blades 4 and feed bin 1 inwall, stationary roll 3 forms and grinds the storehouse, and each grinds in the storehouse is that the convex surface of blade 4 is towards the concave surface of adjacent blades; Grind in the storehouse and be provided with mixing roll 2, described mixing roll 2 is column structure, and it can be hollow or solid construction, preferred solid construction.
The upper end of blade 4 has been installed with pressing plate 5, and described pressing plate 5 is annular pressing plate, and the radial distance of pressing plate 5 and stationary roll 3 outer walls, pressing plate 5 and feed bin 1 inwall guarantees that less than the diameter of mixing roll 2 mixing roll 2 can not detach the grinding storehouse.Blade 4 is set to connect with frequency control motor by line shaft.
In the present embodiment, the bottom face at feed bin 1 is provided with discharging opening.
During grinding, metallurgical powder is poured in the feed bin 1, and blade 4 rotates, and rotation direction is that the convex surface of blade 4 is towards the concave surface of adjacent blades, this direction is defined as forward, in process of lapping, can control power set and carry out the variation of rotating speed or reverse, the time of counter-rotating is less than the forward time, realization stirs, realize that mixing roll 2 forms a kind of stir mixing effect in grinding the storehouse, and strengthened grinding effect, grind evenly.
The present embodiment is applicable to Mohs' hardness and is not more than 7 grades through overtesting, and humidity is not more than the following non-inflammable and explosive flakelike powder of 6 ﹪ and grinds, and just in 80～325 order scopes, its effect in blocks is best for product grading.
The present invention has lower characteristics:
1, owing to having designed feed bin 1, pressurizing unit and agitating device, the vertical extrusion device that is used for metallurgical powder shape in blocks, be set to horizontal, and combine with agitating device, reduced taking up room, simultaneously, can realize once feeding intake, repeatedly roll moulding, therefore simplified the structure of device, improved rate in blocks.
2, owing to having designed mixing roll 2, stationary roll 3 and pressing plate 5, do not need again mixing roll 2 to be arranged power set, simplified apparatus structure, played the roll extrusion effect between pressing plate 5 and the mixing roll 2 simultaneously yet.
Within being used for the lapping device technical field of powder metallurgy; Every include for the feed bin 1 that holds metallurgical powder, be arranged on feed bin 1 and be used for the roll extrusion metallurgical powder pressurizing unit, be arranged on feed bin 1 and be used for stirring the agitating device of metallurgical powder, the center line of the roll of pressurizing unit is set to the technology contents parallel with the line shaft center line of agitating device all in protection scope of the present invention.
Claims (10)
1. lapping device that is used for powder metallurgy is characterized in that: include for the feed bin that holds metallurgical powder (1), be arranged on feed bin (1) and be used for the roll extrusion metallurgical powder pressurizing unit, be arranged on feed bin (1) and be used for stirring the agitating device of metallurgical powder.
2. the lapping device for powder metallurgy according to claim 1 is characterized in that:
Described agitating device comprises the central shaft that is connected with power set, is evenly distributed with at least two blades (4) in the central shaft feeding bin, and adjacent blades (4) forms with feed bin and grinds the storehouse, is provided with a roll device in described each grinding storehouse.
3. the lapping device for powder metallurgy according to claim 1 and 2 is characterized in that: bleed off pressure on the described roll device and be provided with the anti-drop device that prevents that roll device breaks away from.
4. the lapping device for powder metallurgy according to claim 3, it is characterized in that: described roll device is a mixing roll (2); Described anti-drop device is annular pressing plate (5), and annular pressing plate (5) is fixed on the blade (4), and the radial distance of pressing plate (5) outermost end and feed bin is less than mixing roll (2) diameter.
5. the lapping device for powder metallurgy according to claim 2 is characterized in that: described blade (4) is for planar, and planar blade (4) is perpendicular to the plane at agitating device direction of motion place.
6. it is characterized in that according to claim 2 or 5 described lapping devices for powder metallurgy:
Described blade (4) is crooked arcuate structure near an end of feed bin outer surface, and each blade (4) is crooked towards identical.
7. the lapping device for powder metallurgy according to claim 1; It is characterized in that: agitating device is set to blade (4), pressurizing unit is set to include mixing roll (2), stationary roll (3) and pressing plate (5), feed bin (1) is provided with columniform inner chamber body, the center line of stationary roll (3) is set to the central lines with the inner chamber body of feed bin (1), mixing roll (2) is set at least three and be set to be evenly distributed on central point take stationary roll (3) on the circumference in the center of circle, mixing roll (2) is set to connect with feed bin (1) by turning cylinder, pressing plate (5) is arranged on the top end face of mixing roll (2) and is set to connect with mixing roll (2) contact, the center line of blade (4) is set to the central lines with the inner chamber body of feed bin (1), blade (4) is set at least three and be set to and pressing plate (5) is pegged graft, and blade (4) is set to connect with frequency control motor by line shaft.
8. the lapping device for powder metallurgy according to claim 7; It is characterized in that: the radial distance in week adds the diameter of the not grinding material of twice in the periphery of described stationary roll (3) and the feed bin less than mixing roll (2) diameter; Described blade and mixing roll (2) periphery is provided with lapping tape.
9. the Ginding process of an above-mentioned lapping device is characterized in that:
Grinding material is not put in the feed bin feed bin upper end cover upper cover;
Start power set, rotate, rotation direction is that the convex surface of blade is towards the concave surface of adjacent blades;
Adjusting rotary speed, grinding;
Grind a period of time, stop.
10. the Ginding process of an above-mentioned lapping device is characterized in that:
Grinding material is not put in the feed bin feed bin upper end cover upper cover;
Start power set, rotate, rotate positive direction and be the convex surface of blade towards the concave surface of adjacent blades, adopt rotating alternately to grind, the milling time of wherein reversing is less than the forward milling time;
Grind a period of time, stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210303742.2A CN102950046B (en) | 2012-08-24 | 2012-08-24 | Grinding device and method for powder metallurgy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210303742.2A CN102950046B (en) | 2012-08-24 | 2012-08-24 | Grinding device and method for powder metallurgy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102950046A true CN102950046A (en) | 2013-03-06 |
| CN102950046B CN102950046B (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210303742.2A Expired - Fee Related CN102950046B (en) | 2012-08-24 | 2012-08-24 | Grinding device and method for powder metallurgy |
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| CN (1) | CN102950046B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418797A (en) * | 2013-06-19 | 2013-12-04 | 镇江宝纳电磁新材料有限公司 | Grinding device for scale-like metal powder |
| CN104549686A (en) * | 2014-11-27 | 2015-04-29 | 太仓圣广仁自动化设备有限公司 | Plastic mill |
| CN107185683A (en) * | 2017-06-19 | 2017-09-22 | 陈启兴 | A kind of self-cooled Highefficientpulverizer |
| CN107930490A (en) * | 2017-11-29 | 2018-04-20 | 徐意迪 | A kind of agitating device of powder metallurgy |
| CN107962063A (en) * | 2017-12-22 | 2018-04-27 | 湖南望隆企业管理咨询有限公司 | A kind of medical waste refinement removes wet processing range |
| CN108015899A (en) * | 2017-11-30 | 2018-05-11 | 宁波江北森壹机械制造有限公司 | Mortar processing method |
| CN108032436A (en) * | 2017-11-30 | 2018-05-15 | 宁波江北森壹机械制造有限公司 | mortar mixer |
| CN108421983A (en) * | 2018-05-29 | 2018-08-21 | 曲源 | The method for preparing the device of Metal Flake powder and preparing Metal Flake powder using the device |
| CN113563920A (en) * | 2021-05-27 | 2021-10-29 | 濮阳市万良石油科技发展有限公司 | Stabilizer and preparation method thereof |
| CN115945265A (en) * | 2023-03-08 | 2023-04-11 | 广东睿智环保科技股份有限公司 | Grinding equipment and grinding method for high-content metal powder coating |
| CN116510870A (en) * | 2023-05-24 | 2023-08-01 | 佛山市三水荣兴新型材料有限公司 | Vertical slag grinder and grinding process thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202803305U (en) * | 2012-08-24 | 2013-03-20 | 莱芜市金石特种合金材料有限公司 | Grinding device for powder metallurgy |
-
2012
- 2012-08-24 CN CN201210303742.2A patent/CN102950046B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202803305U (en) * | 2012-08-24 | 2013-03-20 | 莱芜市金石特种合金材料有限公司 | Grinding device for powder metallurgy |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418797A (en) * | 2013-06-19 | 2013-12-04 | 镇江宝纳电磁新材料有限公司 | Grinding device for scale-like metal powder |
| CN103418797B (en) * | 2013-06-19 | 2016-12-28 | 镇江宝纳电磁新材料有限公司 | The rolling device of flaky metal powder |
| CN104549686A (en) * | 2014-11-27 | 2015-04-29 | 太仓圣广仁自动化设备有限公司 | Plastic mill |
| CN107185683A (en) * | 2017-06-19 | 2017-09-22 | 陈启兴 | A kind of self-cooled Highefficientpulverizer |
| CN107930490A (en) * | 2017-11-29 | 2018-04-20 | 徐意迪 | A kind of agitating device of powder metallurgy |
| CN108015899A (en) * | 2017-11-30 | 2018-05-11 | 宁波江北森壹机械制造有限公司 | Mortar processing method |
| CN108032436A (en) * | 2017-11-30 | 2018-05-15 | 宁波江北森壹机械制造有限公司 | mortar mixer |
| CN108015899B (en) * | 2017-11-30 | 2019-06-07 | 宁波江北森壹机械制造有限公司 | Mortar processing method |
| CN108032436B (en) * | 2017-11-30 | 2019-08-13 | 宁波江北森壹机械制造有限公司 | Mortar mixer |
| CN107962063A (en) * | 2017-12-22 | 2018-04-27 | 湖南望隆企业管理咨询有限公司 | A kind of medical waste refinement removes wet processing range |
| CN108421983A (en) * | 2018-05-29 | 2018-08-21 | 曲源 | The method for preparing the device of Metal Flake powder and preparing Metal Flake powder using the device |
| CN113563920A (en) * | 2021-05-27 | 2021-10-29 | 濮阳市万良石油科技发展有限公司 | Stabilizer and preparation method thereof |
| CN115945265A (en) * | 2023-03-08 | 2023-04-11 | 广东睿智环保科技股份有限公司 | Grinding equipment and grinding method for high-content metal powder coating |
| CN115945265B (en) * | 2023-03-08 | 2023-05-09 | 广东睿智环保科技股份有限公司 | Grinding equipment and grinding method for high-content metal powder coating |
| CN116510870A (en) * | 2023-05-24 | 2023-08-01 | 佛山市三水荣兴新型材料有限公司 | Vertical slag grinder and grinding process thereof |
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| CN102950046B (en) | 2015-01-21 |
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Granted publication date: 20150121 Termination date: 20180824 |