CN108654492B - Plastic powder bonding device - Google Patents
Plastic powder bonding device Download PDFInfo
- Publication number
- CN108654492B CN108654492B CN201810428613.3A CN201810428613A CN108654492B CN 108654492 B CN108654492 B CN 108654492B CN 201810428613 A CN201810428613 A CN 201810428613A CN 108654492 B CN108654492 B CN 108654492B
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- Prior art keywords
- bonding
- cylinder
- cavity
- nitrogen
- cylinder body
- Prior art date
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- 239000000843 powder Substances 0.000 title claims abstract description 70
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 80
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000000465 moulding Methods 0.000 claims abstract description 13
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 abstract description 28
- 238000003756 stirring Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 239000007789 gas Substances 0.000 abstract description 6
- 230000001681 protective effect Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000000049 pigment Substances 0.000 description 16
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 239000002994 raw material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007590 electrostatic spraying Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/29—Mixing by periodically deforming flexible tubular members through which the material is flowing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F33/406—Mixers using gas or liquid agitation, e.g. with air supply tubes in receptacles with gas supply only at the bottom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/99—Heating
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The invention provides a plastic powder bonding device, which aims at the defect that bonding effect is poor due to difficulty in strictly controlling bonding temperature of plastic powder bonding equipment in the prior art, and comprises a bonding cylinder, wherein two micro-pore plates are arranged in the bonding cylinder, a plurality of through holes penetrating through the upper end face and the lower end face of each micro-pore plate are formed in each micro-pore plate, each bonding cylinder is divided into an air outlet cavity, a bonding cavity and an air inlet cavity from top to bottom by the two micro-pore plates, an air outlet pipe communicated with the air outlet cavity and a closable air inlet and outlet hole communicated with the bonding cavity are formed in the bonding cylinder, a nitrogen supply device capable of conveying nitrogen into the air inlet cavity is arranged outside the bonding cylinder, and a heating device capable of heating nitrogen conveyed to the air inlet cavity is arranged on the nitrogen supply device. According to the invention, the nitrogen is used as the protective gas, and the nitrogen is also used as a heating and stirring medium, so that the molding powder bonding temperature can be controlled more accurately, and the quality of the molding powder bonding is improved.
Description
Technical Field
The invention belongs to the technical field of molding powder production equipment, and particularly relates to a molding powder bonding device.
Background
Plastic powder is a material of a plastic spraying process, namely, the plastic powder is sprayed on the surface of a material by wind (through electrostatic spraying) given by compressed air after being heated at high temperature. The plastic powder binding is to heat the resin powder base material to a temperature slightly lower than the softening point of the resin, wherein the working state is that the surface of the resin powder base material is melted, the inside of the resin powder base material is still in a solid state, pigment powder particles and softened resin powder particles are bonded, and then the resin powder base material is rapidly cooled to obtain a finished product. The existing plastic powder binding equipment mostly adopts nitrogen as protective gas, the temperature of the plastic powder is raised in a mode of stirring raw material powder by a stirring device, the temperature raising process of the plastic powder needs to be strictly controlled during binding, the binding temperature is too low, the surface layer of the resin powder base material is insufficiently melted, and pigment powder is insufficiently firmly and insufficiently bound to the resin powder base material; if the bonding temperature is higher than the critical temperature, the whole resin powder matrix is melted and bonded into a mass, and bonding cannot be achieved. Meanwhile, the uniformity and the fluidity of the raw material powder in the reactor are ensured in the bonding process, so that a good bonding effect can be obtained, otherwise, the particle size of a product is easily increased, the fluidity is reduced, in order to ensure the uniformity and the fluidity of the raw material powder in the reactor, the raw material powder is required to be continuously stirred by a stirring device, the raw material powder is continuously stirred by the stirring device, the temperature of the raw material powder is inevitably increased, and the bonding effect is poor.
Disclosure of Invention
Aiming at the defect that bonding effect is poor due to the fact that bonding temperature is difficult to strictly control by plastic powder bonding equipment in the prior art, the invention provides the plastic powder bonding device which uses nitrogen as protective gas and simultaneously uses nitrogen as a heating and stirring medium, so that the plastic powder bonding temperature can be accurately controlled, and the quality of plastic powder bonding is improved.
The invention aims at realizing the following technical scheme: the utility model provides a mould powder bonding device, includes bonding jar, be provided with two microplates in the bonding jar, be equipped with a plurality of through-holes that run through microplates upper and lower both ends face on the microplates, two microplates separate bonding jar from the top down into out the air cavity, bond the chamber and three cavity that admits air, be equipped with on the bonding jar with the outlet duct that the chamber was given vent to anger intercommunication, with the business turn over mouth that can close that bonding chamber communicates, be provided with the nitrogen gas supply device that can carry nitrogen gas to the chamber that admits air outward of bonding jar, be equipped with the heating device that can be the nitrogen gas heating of the chamber that admits air for the delivery to on the nitrogen gas supply device.
In the scheme, plastic powder and pigment powder are poured into the bonding cavity through the feeding and discharging hole, nitrogen heated by the heating device is introduced into the air inlet cavity through the nitrogen supply device, the nitrogen in the air inlet cavity enters the bonding cavity through the through hole on the micro-pore plate between the air inlet cavity and the bonding cavity, at the moment, the nitrogen blows the plastic powder and the pigment powder in the air inlet cavity, so that the plastic powder and the pigment powder can be uniformly stirred, the nitrogen enters the air outlet cavity through the through hole on the micro-pore plate between the bonding cavity and the air outlet cavity after passing through the bonding cavity, and then is discharged to the outside through the air outlet pipe. Because of the heating that receives heating device before the nitrogen gas got into the bonding intracavity, make nitrogen gas reach the temperature that is fit for bonding, when nitrogen gas again is to moulding powder and pigment powder stirring this moment, can heat moulding powder and pigment powder, make moulding powder and pigment powder reach bonding temperature and carry out bonding effect, the device is through nitrogen gas to moulding powder and pigment powder's heating, can play comparatively stable heating effect, and stir moulding powder and pigment powder through nitrogen gas and can realize better stirring effect, because of not setting up mechanical structure's agitating unit, so can avoid moulding powder and pigment powder during the stirring intensification, avoid bonding jar internal temperature too high, can make the temperature in the bonding jar comparatively stable, promote bonding quality.
Preferably, the two micro-pore plates are parallel to each other, an elastic sealing ring is arranged between the micro-pore plate positioned between the bonding cavity and the air outlet cavity and the bonding cylinder, and a vibration device for driving the micro-pore plate to vibrate is further connected on the micro-pore plate positioned between the bonding cavity and the air outlet cavity. The vibration device can drive the micro-pore plate between the bonding cavity and the air outlet cavity to vibrate, so that the through holes on the micro-pore plate are prevented from being blocked by plastic powder or pigment powder, and the elastic sealing ring is arranged, so that gaps can not appear between the micro-pore plate and the bonding cylinder during vibration.
Preferably, the vibration device is a vibration motor.
Preferably, the nitrogen gas control device comprises a nitrogen gas machine, the output end of the nitrogen gas machine is communicated with the air inlet cavity through a pipeline, a flow valve for controlling the flow of gas in the pipeline and a flowmeter for monitoring the flow of gas in the pipeline are arranged in the pipeline, a control device for controlling the flow valve is connected to the flow valve, the heating device is arranged in the pipeline, and the flowmeter and the heating device are respectively connected with the control device. The flow rate of nitrogen in the pipeline can be monitored through the flowmeter, and the flow rate of nitrogen in the pipeline can be controlled through the flow valve, so that the nitrogen amount entering the bonding cavity in unit time is controlled.
Preferably, a barometer, a thermometer and a temperature controller are arranged in the bonding cavity, and the barometer, the thermometer and the Wen Kongji are respectively connected with the control device. The barometer that sets up is used for detecting the air pressure of bonding intracavity, and when controlling means detected through the barometer that the air pressure of bonding intracavity is too high, controlling means can be through the nitrogen gas flow of flow valve control entering air inlet intracavity to the nitrogen gas volume of control entering bonding intracavity avoids bonding intracavity air pressure too high. The thermometer that sets up is used for detecting the temperature of bonding intracavity, and when the temperature exceeded the settlement temperature, controlling means can control heating device and stop the heating to nitrogen gas, lets in the bonding intracavity with the nitrogen gas of temperature relatively low to reduce the temperature of bonding intracavity, when the temperature of bonding intracavity is less than the bonding temperature of settlement, controlling means can control heating device work again, thereby makes the temperature of bonding intracavity maintain the bonding temperature of settlement, promotes bonding effect. The set temperature controller can play a role in protection, and when the temperature in the bonding cavity cannot be effectively controlled, the equipment can be stopped to continue running through the tripping function in order to prevent the equipment from being damaged, so that the equipment is prevented from being damaged.
Preferably, the bonding cylinder comprises a cylinder body and a cylinder cover capable of closing a cylinder cover of the bonding cylinder, wherein the cylinder cover is positioned above the cylinder body, and the cylinder cover is used as the feeding and discharging opening. The setting of cylinder cap can be convenient pour moulding powder and pigment powder into the nation and decide in the jar, and the moulding powder after being convenient for take out the nation decides.
Preferably, the cylinder cover is provided with a cylinder edge with a downward extending annular structure, the lower end of the cylinder edge is in sealing connection with the edge of a cylinder opening of the cylinder body, the inner side wall of the cylinder edge is provided with an annular groove, the outer side wall of a micropore plate positioned between the bonding cavity and the air outlet cavity stretches into the annular groove, the elastic sealing ring is positioned between the outer side wall of the micropore plate and the annular groove, the micropore plate positioned between the bonding cavity and the air inlet cavity is arranged in the cylinder body, and the micropore plate is fixedly arranged in the cylinder body and forms sealing connection with the inner side wall of the cylinder body.
Preferably, the inner side wall of the elastic sealing ring is provided with a groove with an annular structure, and the outer side wall of the micro-pore plate positioned between the bonding cavity and the air outlet cavity is embedded into the groove. The elastic sealing ring wraps the outer end part of the micro-pore plate through the groove, so that the micro-pore plate can vibrate up and down and left and right when the vibration device drives the micro-pore plate to vibrate, the vibration amplitude is enhanced, and the through holes on the micro-pore plate can be prevented from being blocked by plastic powder and pigment powder.
Preferably, the cylinder body is hinged with the cylinder cover, and a locking buckle capable of locking the cylinder cover on the cylinder body is further arranged between the cylinder body and the cylinder cover. This arrangement can facilitate the opening of the cylinder head.
Preferably, the control device is a PLC controller.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the plastic powder and the pigment powder are heated and stirred by the nitrogen, so that the bonding temperature of the plastic powder and the uniform stirring of the plastic powder and the pigment can be controlled more accurately, the bonding quality of the plastic powder can be obviously improved, and the nitrogen can be used as a protective gas to ensure the safety performance of the bonding process.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
the marks in the figure: 1. bonding cylinder, 2, micro-pore plate, 3, air outlet cavity, 4, bonding cavity, 5, air inlet cavity, 6, outlet duct, 7, nitrogen supply device, 8, heating device, 9, elastic sealing ring, 10, vibration device, 11, nitrogen machine, 12, pipeline, 13, flow valve, 14, flowmeter, 15, controlling means, 16, barometer, 17, thermometer, 18, temperature controller, 19, cylinder body, 20, cylinder mouth, 21, cylinder cap, 22, cylinder edge, 23, annular groove, 24, groove, 25, locking knot.
Detailed Description
The invention is further described below with reference to embodiments shown in the drawings in which:
example 1
As shown in fig. 1 and 2, a powder bonding device comprises a bonding cylinder 1, two micro-pore plates 2 are arranged in the bonding cylinder 1, a plurality of through holes penetrating through the upper end face and the lower end face of the micro-pore plates 2 are formed in the micro-pore plates 2, the bonding cylinder 1 is divided into an air outlet cavity 3, a bonding cavity 4 and an air inlet cavity 5 by the two micro-pore plates 2 from top to bottom, an air outlet pipe 6 communicated with the air outlet cavity 3 and a closable feeding inlet communicated with the bonding cavity 4 are formed in the bonding cylinder 1, a nitrogen supply device 7 capable of conveying nitrogen into the air inlet cavity 5 is arranged outside the bonding cylinder 1, the nitrogen control device 15 comprises a nitrogen machine 11, the output end of the nitrogen machine 11 is communicated with the air inlet cavity 5 through a pipeline 12, a flow valve 13 for controlling the air flow in the pipeline 12 and a flowmeter 14 capable of monitoring the air flow in the pipeline 12 are arranged in the pipeline 12, a control device 15 capable of controlling the flow valve 13 is connected to the flow valve 13, the control device 15 is a controller, and the nitrogen supply device 8 is further arranged in the pipeline 12 and is a heating device capable of heating the air inlet cavity 5. The flowmeter 14 and the heating device 8 are connected to the control device 15, respectively. And a barometer, a thermometer and a temperature controller 18 are arranged in the bonding cavity 4, and the barometer, the thermometer and the temperature controller 18 are respectively connected with the control device 15.
The two micropore plates 2 are parallel to each other, an elastic sealing ring 9 is arranged between the micropore plate 2 positioned between the bonding cavity 4 and the air outlet cavity 3 and the bonding cylinder 1, and a vibration device 10 for driving the micropore plate 2 to vibrate is also connected on the micropore plate 2 positioned between the bonding cavity 4 and the air outlet cavity 3. The vibration device 10 is a vibration motor.
The bonding cylinder 1 comprises a cylinder body 19 and a cylinder cover 21 capable of covering a cylinder opening 20 of the bonding cylinder 1, wherein the cylinder opening 20 is positioned above the cylinder body 19, and the cylinder opening 20 is used as the feeding and discharging opening. The cylinder cover 21 is provided with a cylinder edge 22 of a downward extending annular structure, the lower end of the cylinder edge 22 is in sealing connection with the edge of a cylinder opening 20 of the cylinder body 19, the inner side wall of the cylinder edge 22 is provided with an annular groove 23, the outer side wall of the micro-pore plate 2 between the bonding cavity 4 and the air outlet cavity 3 stretches into the annular groove 23, the elastic sealing ring 9 is positioned between the outer side wall of the micro-pore plate 2 and the annular groove 23, the micro-pore plate 2 between the bonding cavity 4 and the air inlet cavity 5 is arranged in the cylinder body 19, and the micro-pore plate 2 is fixedly arranged in the cylinder body 19 and forms sealing connection with the inner side wall of the cylinder body 19.
The inner side wall of the elastic sealing ring 9 is provided with a groove 24 with an annular structure, and the outer side wall of the micro-pore plate 2 positioned between the bonding cavity 4 and the air outlet cavity 3 is embedded into the groove 24. The cylinder body 19 is hinged with the cylinder cover 21, and a locking buckle 25 capable of locking the cylinder cover 21 on the cylinder body 19 is arranged between the cylinder body 19 and the cylinder cover 21.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (4)
1. The utility model provides a plastic powder bonding device which is characterized in that, includes bonding jar (1), be provided with two microplates (2) in the bonding jar, be equipped with a plurality of through-holes that run through microplates upper and lower both ends face on the microplates, two microplates divide bonding jar from the top down into three cavity of giving vent to anger chamber (3), bonding chamber (4) and inlet chamber (5), be equipped with outlet duct (6) with giving vent to anger chamber intercommunication on the bonding jar, with bonding chamber intercommunication can close the feed inlet and outlet, be provided with nitrogen gas supply device (7) that can carry nitrogen gas to the inlet chamber outward of bonding jar, be equipped with on the nitrogen gas supply device and be for the heating device (8) of the nitrogen gas heating of the inlet chamber that feeds into;
the two micropore plates are parallel to each other, an elastic sealing ring (9) is arranged between the micropore plate positioned between the bonding cavity and the air outlet cavity and the bonding cylinder, and a vibration device (10) for driving the micropore plate to vibrate is also connected on the micropore plate positioned between the bonding cavity and the air outlet cavity;
the vibration device is a vibration motor;
the nitrogen control device comprises a nitrogen machine (11), the output end of the nitrogen machine is communicated with the air inlet cavity through a pipeline (12), a flow valve (13) for controlling the flow of air in the pipeline and a flowmeter (14) capable of monitoring the flow of air in the pipeline are arranged in the pipeline, a control device (15) capable of controlling the flow valve is connected to the flow valve, the heating device is arranged in the pipeline, and the flowmeter and the heating device are respectively connected with the control device;
the bonding cylinder comprises a cylinder body (19) and a cylinder cover (21) capable of covering a cylinder opening (20) of the bonding cylinder, wherein the cylinder opening is positioned above the cylinder body and is used as the feeding and discharging opening;
the cylinder cover is provided with a cylinder edge (22) with a downward extending annular structure, the lower end of the cylinder edge is in sealing connection with the edge of a cylinder opening of the cylinder body, the inner side wall of the cylinder edge is provided with an annular groove (23), the outer side wall of a micropore plate positioned between the bonding cavity and the air outlet cavity stretches into the annular groove, the elastic sealing ring is positioned between the outer side wall of the micropore plate and the annular groove, the micropore plate positioned between the bonding cavity and the air inlet cavity is arranged in the cylinder body, and the micropore plate is fixedly arranged in the cylinder body and forms sealing connection with the inner side wall of the cylinder body;
the inner side wall of the elastic sealing ring is provided with a groove (24) with an annular structure, and the outer side wall of the micropore plate positioned between the bonding cavity and the air outlet cavity is embedded into the groove.
2. The molding powder bonding device according to claim 1, wherein a barometer (16), a thermometer (17) and a temperature controller (18) are arranged in the bonding cavity, and the barometer, the thermometer and the Wen Kongji are respectively connected with the control device.
3. The powder bonding device according to claim 1, wherein the cylinder body and the cylinder cover are hinged, and a locking buckle (25) capable of locking the cylinder cover on the cylinder body is further arranged between the cylinder body and the cylinder cover.
4. A powder bonding apparatus according to claim 1 or 2, wherein the control means is a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810428613.3A CN108654492B (en) | 2018-05-07 | 2018-05-07 | Plastic powder bonding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810428613.3A CN108654492B (en) | 2018-05-07 | 2018-05-07 | Plastic powder bonding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108654492A CN108654492A (en) | 2018-10-16 |
| CN108654492B true CN108654492B (en) | 2024-03-26 |
Family
ID=63778658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810428613.3A Active CN108654492B (en) | 2018-05-07 | 2018-05-07 | Plastic powder bonding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108654492B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1234031A (en) * | 1967-07-28 | 1971-06-03 | ||
| US5132142A (en) * | 1991-03-19 | 1992-07-21 | Glatt Gmbh | Apparatus and method for producing pellets by layering power onto particles |
| US5272008A (en) * | 1992-03-16 | 1993-12-21 | General Motors Corporation | Encapsulated oxidation-resistant iron-neodymium-boron permanent magnet |
| JP2000117156A (en) * | 1998-10-09 | 2000-04-25 | Sumitomo Corp | Powder coating equipment and coating method thereof |
| US6464737B1 (en) * | 1997-05-28 | 2002-10-15 | Kyowa Hakko Kogyo Co., Ltd. | Production method and system for granulating powdered material |
| CN1640953A (en) * | 2004-11-29 | 2005-07-20 | 王树波 | Production process of powder coating bonding |
| JP2006116432A (en) * | 2004-10-21 | 2006-05-11 | Pauretsuku:Kk | Fluidized bed apparatus and method for treating granular substance |
| CN103551070A (en) * | 2013-11-11 | 2014-02-05 | 烟台市三立工业有限公司 | Metal powder bonding and mixing equipment |
| CN208526500U (en) * | 2018-05-07 | 2019-02-22 | 浙江超浪新材料有限公司 | A kind of molding powder bonding device |
-
2018
- 2018-05-07 CN CN201810428613.3A patent/CN108654492B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1234031A (en) * | 1967-07-28 | 1971-06-03 | ||
| US5132142A (en) * | 1991-03-19 | 1992-07-21 | Glatt Gmbh | Apparatus and method for producing pellets by layering power onto particles |
| US5272008A (en) * | 1992-03-16 | 1993-12-21 | General Motors Corporation | Encapsulated oxidation-resistant iron-neodymium-boron permanent magnet |
| US6464737B1 (en) * | 1997-05-28 | 2002-10-15 | Kyowa Hakko Kogyo Co., Ltd. | Production method and system for granulating powdered material |
| JP2000117156A (en) * | 1998-10-09 | 2000-04-25 | Sumitomo Corp | Powder coating equipment and coating method thereof |
| JP2006116432A (en) * | 2004-10-21 | 2006-05-11 | Pauretsuku:Kk | Fluidized bed apparatus and method for treating granular substance |
| CN1640953A (en) * | 2004-11-29 | 2005-07-20 | 王树波 | Production process of powder coating bonding |
| CN103551070A (en) * | 2013-11-11 | 2014-02-05 | 烟台市三立工业有限公司 | Metal powder bonding and mixing equipment |
| CN208526500U (en) * | 2018-05-07 | 2019-02-22 | 浙江超浪新材料有限公司 | A kind of molding powder bonding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108654492A (en) | 2018-10-16 |
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