CN104827031A - Powder metallurgy compression molding powder filling device and control method thereof - Google Patents
Powder metallurgy compression molding powder filling device and control method thereof Download PDFInfo
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- CN104827031A CN104827031A CN201510189076.8A CN201510189076A CN104827031A CN 104827031 A CN104827031 A CN 104827031A CN 201510189076 A CN201510189076 A CN 201510189076A CN 104827031 A CN104827031 A CN 104827031A
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Abstract
The invention discloses a powder metallurgy compression molding powder filling device and a control method thereof. The device comprises a material feeding box and at least one path of material conveying pipeline. Each material conveying pipeline comprises a first-stage hopper and a second-stage hopper which is communicated with the first-stage hopper via a material discharging pipe. The second-stage hopper is communicated with the material inlet of the material feeding box via a conveying pipe. The second-stage hopper is internally provided with a height detection sensor. The material feeding box is connected with a pneumatic vibrator. The height detection sensor and the material feeding box are connected with a control system. The height detection sensor can detect height of powder in real time and feed back to the control system so that material tainting and reduction of precision caused by oversized speed of material discharging and excessive accumulate of powder can be avoided; the material feeding box has vibration in two mutually perpendicular directions of the material feeding plane so that filling performance of powder and uniformity of material discharging can be guaranteed; and a great solving scheme is provided to automatic compression of powder which is poor in fluidity and difficult to fill so that the device is widely suitable for the powder metallurgy compression molding technology.
Description
Technical field
The invention belongs to powder metallurgy pressing moulding process, be specifically related to the shaping powder filling device of a kind of powder metallurgy pressing and control method.
Background technology
Due to the difference of powder mobility, often there is the shortcomings such as uneven, the difficult filling of blanking and unstable product quality in powder metallurgy product when suppressing, especially for laser welded diamond tool, the flushing of diamond segment transition zone and working lining when suppressing can have a strong impact on welding performance and the intensity of cutter head.At present, most powder metallurgy companies after adopting manual compacting or powder to granulate again automatically compacting solve the problems referred to above, but manual compacting and powder granulation cost high, efficiency is low.Therefore, accelerate to research and develop and promote to adopt and not granulate and the powder stowage unit easily be automated and technique tool are of great significance.
Summary of the invention
The object of the invention is to the defect existed for current structure, provide that a kind of uniform blanking, Packing character are good, cutting stock precision is high and without the shaping powder filling device of powder metallurgy pressing of obvious flushing and control method.
The technical solution adopted for the present invention to solve the technical problems is: provide powder metallurgy pressing shaping powder filling device, comprise feed box and at least one road conveying pipeline, the secondary hopper that each conveying pipeline is comprised one-level hopper and is connected with one-level hopper by tremie pipe, described secondary hopper is connected by the charging aperture of carrier pipe with described feed box, be provided with the height detection sensor for monitoring powder height in described secondary hopper, described feed box is connected with the pneumatic vibrator controlling feed box and vibrate along feeding plane orthogonal direction; Described height detection sensor is all connected with control system with described feed box.
Further, also barometric damper is provided with between described pneumatic vibrator and tracheae.
Further, the internal cavities of described feed box is provided with dividing plate transition zone and working lining separated.
Further, described dividing plate adopts the dividing plate of band radian.
Further, described conveying pipeline is two-way, and two-way conveying pipeline is arranged in juxtaposition.
An also control method for the shaping powder filling device of powder metallurgy pressing,
Powder is fallen secondary hopper from one-level hopper through tremie pipe;
Height detection sensor in secondary hopper detects powder height in real time and feeds back to control system, regulates blanking velocity and height by control system;
Powder in secondary hopper is transported to feed box through carrier pipe, and during blanking, control system controls the back and forth shake of feed box in powder feeding direction, and pneumatic vibrator controls the vertical vibration of feed box along feeding plane.
Further, also barometric damper is provided with between described pneumatic vibrator and tracheae.
Further, the internal cavities of described feed box is provided with dividing plate transition zone and working lining separated.
Further, described dividing plate adopts the dividing plate of band radian.
The present invention compared with prior art, has following beneficial effect:
1, device for filling of the present invention has two-stage hopper, and height detection sensor is provided with in secondary hopper, height detection sensor can detect powder height in real time and feed back to control system, regulated speed and the height of blanking by control system, avoid because the decline of the too high flushing that causes and precision piled up by the too fast and powder of blanking velocity;
2, during blanking, control system controls the back and forth jitter parameter of feed box in powder feeding direction, pneumatic vibrator controls the vertical vibration of feed box along feeding plane, make feed box have vibration in two orthogonal directions of feeding plane, thus ensure the filling performance of powder and the uniformity of blanking;
3, this device for filling structure simple, be easy to realize, powder for poor fluidity, difficult filling realizes compacting automatically and provides good solution, and powder does not need to granulate simultaneously, cost-saving, improve production efficiency, powder metallurgy pressing moulding process can be widely used in.
Accompanying drawing explanation
Fig. 1 is the structural representation of the shaping powder filling device of powder metallurgy pressing of the present invention.
Fig. 2 is feed box internal structure schematic diagram in Fig. 1.
Fig. 3 is the A-A schematic diagram of Fig. 2.
In all of the figs, identical Reference numeral is used for representing identical element or structure, wherein: 1-one-level hopper, 2-tremie pipe, 3-secondary hopper, 4-height detection sensor, 5-feed box, 6-pneumatic vibrator, 7-barometric damper, 8-tracheae, 9-carrier pipe.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.In addition, if below in described each embodiment of the present invention involved technical characteristic do not form conflict each other and just can mutually combine.
The shaping powder filling device of powder metallurgy pressing as shown in Figure 1, comprise feed box 5, control system (not shown) and at least one road conveying pipeline, the conveying pipeline in the present embodiment is two-way, and two-way conveying pipeline is arranged in juxtaposition.The secondary hopper 3 that each conveying pipeline is comprised one-level hopper 1 and is connected with one-level hopper 1 by tremie pipe 2, secondary hopper 3 is connected by the charging aperture of carrier pipe 9 with feed box 5, and the height detection sensor 4 be provided with in secondary hopper 3 for monitoring powder height, feed box 5 is connected with the pneumatic vibrator 6 controlling feed box and vibrate along feeding plane orthogonal direction, the barometric damper 7 regulating pneumatic vibrator 6 parameter is also provided with between pneumatic vibrator 6 and tracheae 8, meanwhile, height detection sensor 4 is all connected with control system with feed box 5.
Height detection sensor 4 can detect powder height in real time and feed back to control system, is regulated speed and the height of blanking by control system, avoids because the decline of the too high flushing that causes and precision piled up by the too fast and powder of blanking velocity; In addition, during blanking, control system controls the back and forth jitter parameter of feed box 5 in powder feeding direction, and pneumatic vibrator 6 controls the vertical vibration of feed box 5 along feeding plane, thus ensures the filling performance of powder and the uniformity of blanking.
As shown in Figure 2,3, the internal cavities of the present embodiment feed box 5 is provided with the dividing plate 9 transition zone and working lining separated, and prevents flushing during blanking, and this dividing plate 9 adopts the dividing plate of band radian, reduces impulsive force during blanking.
The control method of the shaping powder filling device of powder metallurgy pressing is as follows:
Powder is fallen secondary hopper 3 from one-level hopper 1 through tremie pipe 2;
Height detection sensor 4 in secondary hopper 3 detects in real time powder height and also feeds back to control system, regulates blanking velocity and height by control system, avoids because blanking velocity is too fast and powder piles up the too high flushing that causes and precise decreasing;
Powder in secondary hopper 3 is transported to feed box 5 through carrier pipe 9, during blanking, control system controls the back and forth shake of feed box 5 in powder feeding direction, pneumatic vibrator 6 controls the vertical vibration of feed box 5 along feeding plane, make feed box 5 have vibration in two orthogonal directions of feeding plane, thus ensure the filling performance of powder and the uniformity of blanking.
The weight error of pressed compact can stably control within 2%, and device for filling structure of the present invention is simple, be easy to realize, powder for poor fluidity, difficult filling realizes compacting automatically and provides good solution, powder does not need to granulate simultaneously, cost-saving, improve production efficiency, powder metallurgy pressing moulding process can be widely used in.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., be all included within protection scope of the present invention.
Claims (9)
1. the shaping powder filling device of powder metallurgy pressing, comprise feed box (5) and at least one road conveying pipeline, it is characterized in that: the secondary hopper (3) that each conveying pipeline is comprised one-level hopper (1) and is connected with one-level hopper (1) by tremie pipe (2), described secondary hopper (3) is connected by the charging aperture of carrier pipe (9) with described feed box (5), the height detection sensor (4) for monitoring powder height is provided with in described secondary hopper (3), described feed box (5) is connected with the pneumatic vibrator (6) controlling feed box (5) and vibrate along feeding plane orthogonal direction, described height detection sensor (4) is all connected with control system with described feed box (5).
2. the shaping powder filling device of powder metallurgy pressing according to claim 1, is characterized in that: be also provided with barometric damper (7) between described pneumatic vibrator (6) and tracheae (8).
3. the shaping powder filling device of powder metallurgy pressing according to claim 1, is characterized in that: the internal cavities of described feed box (5) is provided with the dividing plate (9) transition zone and working lining separated.
4. the shaping powder filling device of powder metallurgy pressing according to claim 3, is characterized in that: described dividing plate (9) adopts the dividing plate of band radian.
5. the shaping powder filling device of powder metallurgy pressing according to claim 1, is characterized in that: described conveying pipeline is two-way, and two-way conveying pipeline is arranged in juxtaposition.
6. a control method for the shaping powder filling device of powder metallurgy pressing, is characterized in that:
Powder is fallen secondary hopper (3) from one-level hopper (1) through tremie pipe (2);
Height detection sensor (4) in secondary hopper (3) detects powder height in real time and feeds back to control system, regulates blanking velocity and height by control system;
Powder in secondary hopper (3) is transported to feed box (5) through carrier pipe (9), during blanking, control system controls feed box (5) shake back and forth in powder feeding direction, and pneumatic vibrator (6) controls the vertical vibration of feed box (5) along feeding plane.
7. the control method of the shaping powder filling device of powder metallurgy pressing according to claim 6, is characterized in that: be also provided with barometric damper (7) between described pneumatic vibrator (6) and tracheae (8).
8. the control method of the shaping powder filling device of powder metallurgy pressing according to claim 6, is characterized in that: the internal cavities of described feed box (5) is provided with the dividing plate (9) transition zone and working lining separated.
9. the control method of the shaping powder filling device of powder metallurgy pressing according to claim 8, is characterized in that: described dividing plate (9) adopts the dividing plate of band radian.
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| CN201510189076.8A CN104827031A (en) | 2015-04-21 | 2015-04-21 | Powder metallurgy compression molding powder filling device and control method thereof |
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| CN201510189076.8A CN104827031A (en) | 2015-04-21 | 2015-04-21 | Powder metallurgy compression molding powder filling device and control method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270881A (en) * | 2015-11-17 | 2016-01-27 | 深圳市麦捷微电子科技股份有限公司 | Powder feeder device |
| CN107626918A (en) * | 2017-10-25 | 2018-01-26 | 江苏鑫贝诺冶金机械有限公司 | A kind of metallurgical powder charging system |
| CN108500278A (en) * | 2018-04-08 | 2018-09-07 | 南昌华勤电子科技有限公司 | A kind of electronic equipment manufacture of casing |
| CN109570505A (en) * | 2018-12-26 | 2019-04-05 | 深圳市圆梦精密技术研究院 | Metal powder feeding device and 3D printer |
| CN110355362A (en) * | 2019-08-13 | 2019-10-22 | 重庆成俊工贸有限公司 | Powder feeding machine structure |
| CN113710466A (en) * | 2019-05-10 | 2021-11-26 | 雀巢产品有限公司 | Rotary press for compressing food material |
| CN114261135A (en) * | 2021-12-24 | 2022-04-01 | 桂林特邦新材料有限公司 | Digital control simulation manual operation fills diamond string bead powder system |
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| CN204912759U (en) * | 2015-04-21 | 2015-12-30 | 武汉万邦激光金刚石工具有限公司 | Powder metallurgy press forming powder fills device |
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| CN201446223U (en) * | 2009-06-23 | 2010-05-05 | 诸城市同翔机械有限公司 | Double-feed-bin conveying shoe of powder metallurgy forming press |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270881A (en) * | 2015-11-17 | 2016-01-27 | 深圳市麦捷微电子科技股份有限公司 | Powder feeder device |
| CN107626918A (en) * | 2017-10-25 | 2018-01-26 | 江苏鑫贝诺冶金机械有限公司 | A kind of metallurgical powder charging system |
| CN108500278A (en) * | 2018-04-08 | 2018-09-07 | 南昌华勤电子科技有限公司 | A kind of electronic equipment manufacture of casing |
| CN108500278B (en) * | 2018-04-08 | 2021-04-02 | 南昌华勤电子科技有限公司 | Manufacturing method of electronic equipment shell |
| CN109570505A (en) * | 2018-12-26 | 2019-04-05 | 深圳市圆梦精密技术研究院 | Metal powder feeding device and 3D printer |
| CN109570505B (en) * | 2018-12-26 | 2023-08-04 | 深圳市圆梦精密技术研究院 | Metal powder feeding device and 3D printer |
| CN113710466A (en) * | 2019-05-10 | 2021-11-26 | 雀巢产品有限公司 | Rotary press for compressing food material |
| CN110355362A (en) * | 2019-08-13 | 2019-10-22 | 重庆成俊工贸有限公司 | Powder feeding machine structure |
| CN114261135A (en) * | 2021-12-24 | 2022-04-01 | 桂林特邦新材料有限公司 | Digital control simulation manual operation fills diamond string bead powder system |
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Application publication date: 20150812 |
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