CN108160994B - Spacing material device that leaks - Google Patents
Spacing material device that leaks Download PDFInfo
- Publication number
- CN108160994B CN108160994B CN201810027978.5A CN201810027978A CN108160994B CN 108160994 B CN108160994 B CN 108160994B CN 201810027978 A CN201810027978 A CN 201810027978A CN 108160994 B CN108160994 B CN 108160994B
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- Prior art keywords
- limiting
- metal powder
- weighing
- block
- feeding
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/004—Filling molds with powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/005—Loading or unloading powder metal objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The invention discloses a limiting material leaking device, and belongs to the technical field of metallurgical equipment. The technical scheme is as follows: the utility model provides a spacing material device that leaks, includes spacing material mechanism that leaks, and spacing material mechanism that leaks includes that the top is connected with the cylinder body bottom of lift cylinder, sets up the casing of feed opening from top to bottom, sets up the stopper that sets up spacing hole in the middle part of being equipped with in the casing, one end and a stopper end connection's return spring, an end connection is at the drive pull rod of another tip of stopper, connects at the top of another tip of drive pull rod's montant A. The invention has the beneficial effects that: the weight of the metal powder can be limited to reach the weight value set by the standard; the automatic degree is high, so that the metal powder with qualified weight is automatically discharged, and the metal powder is automatically leaked into a die needing to be molded according to the requirements of measurement and time.
Description
The scheme is a divisional application, and the original application name is as follows: the utility model provides a metallurgical automatic feeding device of metal powder, the application date of former application is: 2016-08-25, the application number of the original application is: 201610721625.6.
Technical Field
The invention relates to the technical field of metallurgical equipment, in particular to a limiting and leaking device for an automatic feeding device for metal powder metallurgy.
Background
In powder metallurgy production, the particle size of the metal powder is generally required to be 0.5-20 microns, because theoretically, the finer the particle, the larger the specific surface area, and the stronger the surface effects, such as surface activity, surface adsorption capacity, catalytic capacity, and the like. The easier the forming and sintering, the thicker powder which is larger than 40 microns is generally adopted in the traditional powder metallurgy process, and the metallurgical production requirements of good surface activity, adsorption force and catalytic capacity which are extremely high cannot be met.
In addition, the control of the feeding precision of the powder metallurgy has great influence on the quality of the powder metallurgy product, the feeding precision influences the size and the appearance quality of the powder metallurgy product, and meanwhile, the feeding precision has great influence on the production efficiency, the production cost and the production environment.
The invention provides a method for accurately and quickly controlling the feeding precision of powder metallurgy and enabling the particle size of metal powder to meet the requirement.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to: provides an automatic feeding device for metal powder metallurgy.
The invention idea of the invention is: aiming at the problems that the powder metallurgy process in the prior powder metallurgy production adopts thicker powder with the diameter more than 40 microns, the metallurgical production requirements of good surface activity, extremely high adsorption force and high catalysis capability cannot be met, and the automatic control of the feeding precision of the powder metallurgy cannot be realized, the invention designs a metal powder metallurgy automatic feeding device, which comprises a frame, a crushing mechanism, a feeding mechanism, a weighing mechanism and a limiting leakage mechanism; pouring metal powder into a metal powder feeding bin from a feeding port, sequentially passing through a through hole of a turntable A of a grinding mechanism, leaking the fed metal powder into a grinding track to be ground by a grinding disc, conveying the ground metal powder into a metal powder feeding bin of a feeding mechanism through a material leaking pipe, conveying the fed metal powder into a discharging pipe in the middle of a weighing backing plate of the weighing mechanism under the conveying of a spiral blade, determining that the amount of the fed metal powder reaches the weight set by a standard of metal forming through a retransmission sensor, starting a speed reducing motor B, moving a moving gear along the inner side surface of a fixed ring, simultaneously driving a limiting block at the end part of a driving pull rod to move along a shell towards a base, when a discharging port is opposite to a limiting hole, the fed metal powder in the discharging pipe leaks, all the fed metal powder in the discharging pipe falls down, and under the action of the elastic force of a return spring, and moving the original position of the limiting block, waiting for the limitation of the next feeding of the metal powder, and accurately and quickly controlling the feeding precision of the metal.
An automatic feeding device for metal powder metallurgy, which comprises a frame, a crushing mechanism, a feeding mechanism, a weighing mechanism and a limiting material leaking mechanism;
the grinding mechanism comprises a metal powder feeding bin with a feeding port at the top and a grinding mechanism arranged in the metal powder feeding bin, the grinding mechanism comprises a driving shaft and turntables A arranged at two ends of the driving shaft, a plurality of through holes are uniformly formed in the turntables A, vertical rods A and vertical rods B are arranged on the bottom surfaces of the turntables A, a plurality of millstones are respectively arranged on the vertical rods A and the vertical rods B at equal intervals, a grinding track matched with the millstones is arranged on the inner walls of the metal powder feeding bin, and the top end of the driving shaft is coaxial with a motor output shaft positioned above the metal powder feeding bin;
the feeding mechanism comprises a leakage pipe, one end of the leakage pipe is communicated with the bottom of the metal powder feeding bin, the other end of the leakage pipe is connected with the metal powder feeding bin, a rotating shaft with the periphery connected with a helical blade is arranged in the metal powder feeding bin, the feeding end part of the metal powder feeding bin is provided with a speed reducing motor A connected with one end of the rotating shaft, and a material guide pipe is arranged at the discharge port of the metal powder feeding bin;
the weighing mechanism comprises a weighing base plate, a cushion block, a weighing sensor and a lifting cylinder, wherein the middle part of the weighing base plate is provided with a material leakage opening;
the limiting material leaking mechanism comprises a shell, a limiting block, a return spring, a driving pull rod and a vertical rod A, wherein the top of the shell is connected with the bottom of the cylinder body of the lifting cylinder, the upper surface and the lower surface of the shell are provided with a feeding hole, the limiting block is arranged in the shell and provided with a limiting hole in the middle, one end of the return spring is connected with one end of the limiting block, one end of the driving pull rod is connected with the other end of the limiting block, the top of, the bottom of the vertical rod A is fixedly connected with one end of a rocking handle A, the other end of the rocking handle A is connected with the top surface of the movable gear through a vertical rod B, the lower end of the rotating shaft at the center of the movable gear is fixedly connected with one end of a rocking handle B, the other end of the rocking handle B is connected with an output shaft of a speed reducing motor B, the speed reducing motor B is fixed on the base, the base is provided with a fixed ring, and the inner side surface of the fixed ring is continuously provided with a tooth groove meshed with the movable gear.
Set up the guide block on the base, the notch has been seted up on the guide block, accommodate in the notch drive pull rod.
And the output shaft of the speed reducing motor B is positioned at the center of the fixed circular ring.
And the material leakage pipe is provided with an air cylinder A and an air cylinder B for conveying metal powder.
The other end of the return spring is connected to the inner side surface of one end of the shell.
The limiting hole is equal to the diameter of the feed opening.
The casing is the cuboid of cavity form, the stopper be with casing matched with rectangular block.
The motor is arranged at the top of the metal powder feeding bin.
The other end of the rocking handle A is connected to the top surface of the movable gear through a vertical rod B and is positioned outside the rotating shaft.
The material leakage opening is communicated with the material guide pipe, and a blanking pipe communicated with the blanking opening is connected below the material leakage opening.
The working process of the invention during use is as follows: starting a motor, driving a driving shaft to rotate rapidly by the motor, pouring metal powder into a metal powder feeding bin from a feeding material, sequentially passing through a through hole of a turntable A of a grinding mechanism, leaking the fed metal powder into a grinding track to be ground by a grinding disc, conveying the ground metal powder into a metal powder feeding bin of a feeding mechanism through a material leaking pipe, conveying gas into a material leaking pipe by a cylinder A and a cylinder B, starting a speed reducing motor A, quickly conveying the ground metal powder in the material leaking pipe into the metal powder feeding bin under the action of gas pressure, conveying the fed metal powder into a discharging pipe in the middle of a weighing backing plate of the weighing mechanism through a material guide pipe under the conveying of a spiral blade, when determining that the weight of the fed metal powder reaches the weight set by a standard of metal forming through a retransmission sensor, starting the speed reducing motor B, and moving a movable gear moves along the inner side face of a fixed ring, meanwhile, the limiting block at the end part of the driving pull rod is driven to move towards the base along the shell, when the discharging opening is opposite to the limiting hole, the feeding metal powder in the discharging pipe leaks, the feeding metal powder in the discharging pipe completely falls down, the limiting block is moved to the original position under the action of the elastic force of the return spring, the limitation of the feeding metal powder at the next time is waited, and the feeding precision of metal is accurately and quickly controlled.
The invention has the beneficial effects that: the metal powder feeding device is used for rapidly and automatically controlling the whole process of metal powder feeding in powder metallurgy, the grinding mechanism is arranged to grind the metal powder on the primary side again, the metal powder is conveyed to the weighing mechanism through the feeding mechanism to be metered, the feeding precision is controlled, the limiting and leaking mechanism limits whether the weight of the metal powder reaches a weight value set by a standard or not according to the weighing mechanism, the metal powder loss is avoided, efficient operation can be realized, the labor cost is reduced, and the use requirement of accurate metal powder feeding is met; the feeding and weighing devices are independent devices, so that the vibration generated by the feeding and feeding mechanism does not influence the weighing precision of the weighing mechanism; the limiting and leaking mechanism ensures high stability of the driving pull rod in moving through the meshing of the moving gear and the tooth grooves, the return spring realizes the reciprocating movement of the limiting block, the automation degree is high, the metal powder with qualified weight is automatically discharged, and the metal powder is automatically leaked into a die to be formed according to the requirements of metering and time.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
FIG. 3 is a schematic structural diagram of a polishing mechanism according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a weighing mechanism in an embodiment of the invention.
Fig. 5 is a schematic structural diagram of a material leakage limiting mechanism in the embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a shell removal limiting mechanism in the embodiment of the invention.
Fig. 7 is a schematic structural view of a position relationship between a moving gear and a driving pull rod in the material leakage limiting mechanism according to the embodiment of the invention.
Wherein the reference numerals are: 1. a frame; 2. a crushing mechanism; 211. a feeding port; 21. a metal powder feeding bin; 22. a drive shaft; 23. a turntable A; 25. Erecting a rod A; 26. a vertical rod B; 27. a grinding disc; 28. grinding the rail; 29. a motor; 3. a feeding mechanism; 31. a material leaking pipe; 32. a metal powder feeding bin; 33. a helical blade; 34. a rotating shaft; 35. a reduction motor A; 36. a material guide pipe; 311. a cylinder A; 312. a cylinder B; 4. a weighing mechanism; 41. a material leakage port; 42. weighing a base plate; 43. cushion blocks; 44. a weighing sensor; 45. a lifting cylinder; 5. a limiting material leaking mechanism; 511. a feeding port; 51. a housing; 521. a limiting hole; 52. a limiting block; 53. a return spring; 54. driving the pull rod; 55. a vertical rod A; 56. a rocking handle A; 57. a vertical rod B; 58. a moving gear; 59. a rotating shaft; 60. a rocking handle B; 61. a reduction motor B; 62. a base; 63. fixing the circular ring; 64. a tooth socket; 65. a guide block; 66. a notch; 67. and (5) discharging the material pipe.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Example 1
Referring to fig. 1, 2, 3, 4, 5, 6 and 7, the present invention is: an automatic feeding device for metal powder metallurgy comprises a frame 1, a crushing mechanism 2, a feeding mechanism 3, a weighing mechanism 4 and a limiting leakage mechanism 5;
the crushing mechanism 2 comprises a metal powder feeding bin 21 with a feeding port 211 arranged at the top, and a grinding mechanism arranged in the metal powder feeding bin 21, wherein the grinding mechanism comprises a driving shaft 22, turntables A23 arranged at two ends of the driving shaft 22, a plurality of through holes are uniformly arranged on the turntables A23, a vertical rod A25 and a vertical rod B26 are arranged on the bottom surface of the turntables A23, a plurality of grinding discs 27 are respectively arranged on the vertical rods A25 and the vertical rods B26 at equal intervals, a grinding track 28 matched with the grinding discs 27 is arranged on the inner wall of the metal powder feeding bin 21, and the top end of the driving shaft 22 is coaxial with an output shaft of a motor 29 positioned above the metal powder; the feeding mechanism 3 comprises a leakage pipe 31 with one end communicated with the bottom of the metal powder feeding bin 21, the other end of the leakage pipe 31 is connected with the metal powder feeding bin 32, a rotating shaft 34 with the periphery connected with a helical blade 33 is arranged in the metal powder feeding bin 32, the rotating shaft is arranged at the feeding end part of the metal powder feeding bin 32 and is provided with a speed reducing motor A35 connected with one end of the rotating shaft 34, and a material guide pipe 36 is arranged at the discharge port of the metal powder feeding bin 32;
the weighing mechanism 4 comprises a weighing base plate 42, a cushion block 43, a weighing sensor 44 and a lifting cylinder 45, wherein the middle part of the weighing base plate 42 is provided with a material leakage opening 41, the cushion block 43 is positioned on the bottom surface of the weighing base plate 42, the weighing sensor 44 is fixedly arranged on the cushion block 43, and the lifting cylinder 45 is positioned on the outer side of the material leakage opening 41;
the limiting material leaking mechanism 5 comprises a shell 51, the top of the shell is connected with the bottom of a cylinder body of a lifting cylinder 45, the upper surface and the lower surface of the shell are provided with a feeding opening 511, a limiting block 52 with a limiting hole 521 arranged in the middle is arranged in the shell 51, a return spring 53 with one end connected with one end of the limiting block 52, a driving pull rod 54 with one end connected with the other end of the limiting block 52, the top of a vertical rod A55 connected with the other end of the driving pull rod 54, the bottom of the vertical rod A55 is fixedly connected with one end of a rocking handle A56, the other end of the rocking handle A56 is connected with the top surface of a movable gear 58 through a vertical rod B57, the lower end of a rotating shaft 59 at the center of the movable gear 58 is fixedly connected with one end of a rocking handle B60, a fixed ring 63 is provided on the base 62, and a tooth groove 64 engaged with the moving gear 58 is continuously provided on the inner side surface of the fixed ring 63.
A guide block 65 is disposed on the base 62, and a notch 66 is disposed on the guide block 65, and the drive rod 54 is received in the notch 66.
The output shaft of the reduction motor B61 is located at the center of the fixed ring 63.
The blowby pipe 31 is provided with a cylinder a311 and a cylinder B312 for conveying the metal powder.
The other end of the return spring 53 is connected to an inner surface of one end of the housing 51.
The diameter of the limiting hole 521 is equal to that of the feed opening 511.
The housing 51 is a hollow rectangular body, and the stopper 52 is a rectangular block fitted to the housing 51.
The motor 29 is provided on the top of the metal powder feeding bin 21.
The other end of the rocking handle A56 is connected to the top surface of the moving gear 58 through a vertical rod B57 and is positioned outside the rotating shaft 59.
The material leakage port 41 is communicated with the material guide pipe 36, and a material discharge pipe 67 communicated with the material discharge port 511 is connected below the material leakage port 41.
When the metal powder feeding device is used, the motor 29 is started, the motor 29 drives the driving shaft 22 to rotate rapidly, metal powder is poured into the metal powder feeding bin 21 from the feeding port 211, the metal powder sequentially passes through the through hole of the turntable A23 of the grinding mechanism, the fed metal powder is leaked into the grinding track 28 and is ground by the grinding disc 27, the ground metal powder is conveyed into the metal powder feeding bin 32 of the feeding mechanism 3 through the material leakage pipe 31, the air cylinder A311 and the air cylinder B312 convey air into the material leakage pipe 31, the speed reduction motor A35 is started, the metal powder ground in the material leakage pipe 31 is quickly conveyed into the metal powder feeding bin 32 under the action of air pressure, the fed metal powder is conveyed into the discharging pipe 67 in the middle of the weighing cushion plate 42 of the weighing mechanism 4 through the material guide pipe 36 under the conveying of the spiral blade 33, and when the weight of the fed metal powder reaches the weight set by the standard of metal forming through the retransmission sensor 44, gear motor B61 opens, moving gear 58 moves along fixed ring 63 medial surface, drive the stopper 52 of drive pull rod 54 tip simultaneously and remove to base 62 direction along casing 51, it is relative with spacing hole 521 when feed opening 511, the material loading metal powder in unloading pipe 67 leaks down, the material loading metal powder in unloading pipe 67 is whole to fall down, under return spring 53's elastic force effect, with stopper 52 removal home position, wait for the spacing of the next time material loading metal powder, accurate, the feeding precision of quick control metal.
The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also belong to the present invention.
Claims (9)
1. The limiting material leakage device is characterized by comprising a limiting material leakage mechanism, wherein the limiting material leakage mechanism (5) comprises a top connected with the bottom of a cylinder body of a lifting cylinder (45), a shell (51) provided with a material feeding port (511) is arranged above and below the limiting material leakage mechanism, a limiting block (52) provided with a limiting hole (521) in the middle is arranged in the shell (51), one end of the limiting block (52) is connected with a return spring (53) which is connected with one end of the limiting block (52), one end of the driving pull rod (54) is connected with the other end of the limiting block (52), the top of a vertical rod A (55) at the other end of the driving pull rod (54) is connected with the top of a rocking handle A (56) at the bottom of the vertical rod A (55), the other end of the rocking handle A (56) is connected with the top surface of a movable gear (58) through a vertical rod B (57), and the lower end of a rotating shaft (59) at the center of the movable gear (58 The other end of the rocking handle B (60) is connected with an output shaft of a speed reducing motor B (61), the speed reducing motor B (61) is fixed on a base (62), a fixed circular ring (63) is arranged on the base (62), and a tooth groove (64) meshed with the moving gear (58) is continuously arranged on the inner side surface of the fixed circular ring (63);
still include rubbing crusher structure (2), rubbing crusher structure (2) are including the metal powder upper storage bin (21) that the top set up dog-house (211), the grinding mechanism in feed bin (21) is gone up to the setting at metal powder, grinding mechanism includes drive shaft (22), carousel A (23) of setting on drive shaft (22) both ends, evenly set up a plurality of through-holes on carousel A (23), set up pole setting A (25) and pole setting B (26) in carousel A (23) bottom surface, there are a plurality of mill (27) on pole setting A (25) and pole setting B (26) equidistant respectively, feed bin (21) inner wall sets up and mill (27) matched with grinding track (28) on metal powder, it is coaxial with motor (29) output shaft that is located feed bin (21) top on drive shaft (22).
2. The limiting material leaking device according to claim 1, further comprising a weighing mechanism (4), wherein the weighing mechanism (4) comprises a weighing base plate (42) with a material leaking port (41) formed in the middle, a cushion block (43) located on the bottom surface of the weighing base plate (42), a weighing sensor (44) fixedly arranged on the cushion block (43), and a lifting cylinder (45) located on the outer side of the material leaking port (41), and arranged on the bottom surface of the weighing base plate (42).
3. The limiting material leakage device according to claim 1, characterized in that: a guide block (65) is arranged on the base (62), a notch (66) is formed in the guide block (65), and the driving pull rod (54) is accommodated in the notch (66).
4. The limiting material leakage device according to claim 1, characterized in that: the output shaft of the speed reducing motor B (61) is positioned at the center of the fixed circular ring (63).
5. The limiting leakage device according to claim 1, wherein the other end of the return spring (53) is connected to the inner side surface of one end of the shell (51).
6. The limiting leakage device according to claim 1, wherein the diameter of the limiting hole (521) is equal to that of the feed opening (511).
7. The limiting leakage device according to claim 1, wherein the housing (51) is a hollow rectangular body, and the limiting block (52) is a rectangular block matched with the housing (51).
8. The limiting leakage device according to claim 1, wherein the other end of the rocking handle A (56) is connected to the top surface of the movable gear (58) through a vertical rod B (57) and is positioned outside the rotating shaft (59).
9. The limiting leakage device according to claim 2, characterized in that a blanking pipe (67) communicated with the blanking port (511) is connected below the leakage port (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810027978.5A CN108160994B (en) | 2016-08-25 | 2016-08-25 | Spacing material device that leaks |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810027978.5A CN108160994B (en) | 2016-08-25 | 2016-08-25 | Spacing material device that leaks |
| CN201610721625.6A CN106238730B (en) | 2016-08-25 | 2016-08-25 | A kind of metal powder metallurgy automatic charging device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610721625.6A Division CN106238730B (en) | 2016-08-25 | 2016-08-25 | A kind of metal powder metallurgy automatic charging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108160994A CN108160994A (en) | 2018-06-15 |
| CN108160994B true CN108160994B (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810027977.0A Active CN108160993B (en) | 2016-08-25 | 2016-08-25 | A kind of metal powder metallurgy automatic ration feeding device |
| CN201810027534.1A Active CN108161015B (en) | 2016-08-25 | 2016-08-25 | Metal powder metallurgy is reducing mechanism for automatic feeding device |
| CN201610721625.6A Active CN106238730B (en) | 2016-08-25 | 2016-08-25 | A kind of metal powder metallurgy automatic charging device |
| CN201810027978.5A Active CN108160994B (en) | 2016-08-25 | 2016-08-25 | Spacing material device that leaks |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810027977.0A Active CN108160993B (en) | 2016-08-25 | 2016-08-25 | A kind of metal powder metallurgy automatic ration feeding device |
| CN201810027534.1A Active CN108161015B (en) | 2016-08-25 | 2016-08-25 | Metal powder metallurgy is reducing mechanism for automatic feeding device |
| CN201610721625.6A Active CN106238730B (en) | 2016-08-25 | 2016-08-25 | A kind of metal powder metallurgy automatic charging device |
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| CN (4) | CN108160993B (en) |
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| CN106825560A (en) * | 2017-02-23 | 2017-06-13 | 深圳市星特烁科技有限公司 | A kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove |
| CN106862575B (en) * | 2017-03-23 | 2019-06-11 | 深圳市泛海统联精密制造有限公司 | A kind of drum-type metallurgical powder mixing device |
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| CN108856716A (en) * | 2018-07-25 | 2018-11-23 | 韩智强 | A kind of powder metallurgy milling feed device |
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| CN112091223A (en) * | 2020-09-23 | 2020-12-18 | 周满奇 | Automatic feeding system for metal powder metallurgy and using method thereof |
| CN115007802B (en) * | 2022-06-14 | 2023-09-05 | 浙江机电职业技术学院 | Automatic sand feeding device of efficient casting 3D printer |
| CN114871428B (en) * | 2022-07-07 | 2022-09-23 | 徐州威德金属制品有限公司 | Quantitative feeding device for metal powder processing |
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- 2016-08-25 CN CN201810027977.0A patent/CN108160993B/en active Active
- 2016-08-25 CN CN201810027534.1A patent/CN108161015B/en active Active
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| Publication number | Publication date |
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| CN108160993B (en) | 2019-11-29 |
| CN108161015B (en) | 2020-04-10 |
| CN108161015A (en) | 2018-06-15 |
| CN108160994A (en) | 2018-06-15 |
| CN108160993A (en) | 2018-06-15 |
| CN106238730B (en) | 2018-03-20 |
| CN106238730A (en) | 2016-12-21 |
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