CN109174345A - A kind of ultrafine grinding device for PVC powder coating - Google Patents
A kind of ultrafine grinding device for PVC powder coating Download PDFInfo
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- CN109174345A CN109174345A CN201811218501.1A CN201811218501A CN109174345A CN 109174345 A CN109174345 A CN 109174345A CN 201811218501 A CN201811218501 A CN 201811218501A CN 109174345 A CN109174345 A CN 109174345A
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- crushing
- powder coating
- grinding device
- pvc powder
- bin
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- 239000000843 powder Substances 0.000 title claims abstract description 42
- 238000000227 grinding Methods 0.000 title claims abstract description 34
- 238000000576 coating method Methods 0.000 title claims abstract description 30
- 239000011248 coating agent Substances 0.000 title claims abstract description 29
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000007789 gas Substances 0.000 claims abstract description 25
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000012216 screening Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 22
- 239000002245 particle Substances 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003973 paint Substances 0.000 description 7
- 229920001169 thermoplastic Polymers 0.000 description 5
- 239000004416 thermosoftening plastic Substances 0.000 description 5
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- 238000007792 addition Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 235000013409 condiments Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/22—Feed or discharge means
- B02C18/2216—Discharge means
-
- 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
- B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
- B02C19/186—Use of cold or heat for disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- Disintegrating Or Milling (AREA)
Abstract
A kind of ultrafine grinding device for PVC powder coating, after material enters crushing bin by feeding device, it is stage broken that motor drives grinding device to carry out the material of addition, into after conveying pipeline, collecting bin is entered by the qualified powder particle of screening mesh screen choosing, the particle that do not net by screening is re-delivered at feeding device to enter in crushing bin by feeding back device and is crushed again；In crushing process, three-way tube valve is opened, compressed air and nitrogen enter in gas transmission coil pipe, continuously compressed air and nitrogen are conveyed into crushing bin by the aperture on gas transmission coil pipe, low temperature keeps material more easily broken, whole device crushing efficiency is high, and crushing effect is good, and obtained particle is small and uniform particle sizes.
Description
Technical field
The present invention relates to PVC powder coating material production technical fields, and in particular to a kind of superfine powder for PVC powder coating
Crushing device.
Background technique
Powdery paints is the form entirely different with general coating, it is existing for state with attritive powder.Powder applies
Material is broadly divided into two major classes: thermoplastic powder coating and thermosetting powder coating.Thermoplastic powder coating be by thermoplastic resin,
Pigment, filler, plasticizer and stabilizer etc. are at being grouped as.Thermoplastic powder coating includes polyethylene, polypropylene, polyester, gathers
Vinyl chloride, chlorinated polyether, polyamide-based, cellulose-based, Polyester.Thermosetting powder coating be by thermosetting resin, curing agent,
The composition such as pigment, condiment and auxiliary agent.Thermosetting powder coating includes epoxy resin, Polyester and acrylic resin.
The procedure of processing of powdery paints is generally, and is first mixed above-mentioned each constitutive material according to a certain percentage, then
It is prepared by hot extrusion and the techniques such as pulverize and sieve.
PVC powder coating is free of solvent, has many advantages, such as safe, the easy for construction, function admirable of use, cheap, is
A kind of PVC product of worth exploitation.PVC powder coating is thermoplastic powder coating, has good dicoration, anti-flammability, resistance to
Hou Xing, chemical resistance and electrical insulating property are widely used in metal product, the protection of ceramic inside and outside wall and decorative coat.
Compared with other thermoplastic powder coatings, PVC powder coating is with color configuration range is wide, weather resistance is good, film is corrosion-resistant
The advantages that performance is good.
Currently, being added raw materials into grinding chamber for the grinding device of powdery paints using pneumatic action in the market, rely on
Collision between material grains and mill can be such that grain diameter reduces, to realize the grinding of powdery paints.
Grant number is grinding powder paint machine disclosed in CN206838190U, including body and the electricity that organism bottom is arranged in
Machine, body are connected with feed pipe, blast pipe and discharge nozzle, and body has grinding chamber and sealing cover, be provided in discharge nozzle to
Few two mills along new ro-tational axis setting, motor drive at least two mills to rotate synchronously by rotary shaft, and body is upper
The narrow conic tube in the wide lower section in side, the diameter of at least two mills are sequentially reduced from top to bottom, and the outer peripheral surface of mill is provided with bumps
Structure.The arrangement increases grinding effects and grinding efficiency, and apparatus structure is simple, long service life, and processing cost is low.
But the patent described device there are the problem of have: the excessively high phenomenon of temperature can be supervened in milling process, it is right
The quality of powdery paints adversely affects, in some instances it may even be possible to make powdery paints melting and solidification, be adhered in equipment, to equipment and painting
Material all causes to be lost.
Summary of the invention
Problem in view of the prior art, the present invention provides a kind of ultrafine grinding devices for PVC powder coating, entirely
Device crushing efficiency is high, and crushing effect is good, and obtained particle is small and uniform particle sizes.
The technical solution of the present invention is as follows: a kind of ultrafine grinding device for PVC powder coating, including support device, packet
The side plate that pedestal is connect with bottom with the bottom plate is included, transverse slat is provided at the top of the side plate, motor is fixed on the transverse slat
On, the motor drives grinding device to rotate in crushing bin, the crushing bin by be set at the top of the crushing bin into
Material mouth is connected with feeding device, and conveying pipeline one end is connect with the crushing bin, and the other end is connect with collecting bin, makes the powder
Broken storehouse is communicated with the collecting bin, and feeding back device one end is communicated with the conveying pipeline side wall, the other end and the feeding device phase
It is logical.
Further, the grinding device includes stirring rod, crushing knife, and the crushing knife at least has 3 pairs, and crushing knife
Length successively increases close to motor to far from motor drive direction from stirring rod.
Further, the inner wall of the crushing bin is provided with gas transmission coil pipe, and the gas transmission coil pipe passes through the crushing bin side
Wall is connect with three-way tube valve, and the three-way tube valve Single port is connect by compressed air hose with air compressor, and another port is logical
It crosses liquid nitrogen input pipe to connect with liquid nitrogen generating device, the gas transmission coil pipe input gas is compressed air and liquid nitrogen, compressed air
Liquid nitrogen is pushed to enter in the crushing bin.
Further, the gas transmission coil pipe is equipped with several apertures.
Further, the feeding back device includes feed back pipe, is set to the feed back pipe and the conveying pipeline junction
First valve, the second valve, the mateiral pump for being set to the feed back pipe Yu the feeding device junction.
Preferably, screening net, preferably double deck screen network selection are provided at conveying pipeline connection collecting bin end.
Preferably, electric pushrod is provided at the top of the support device side plate, the transverse slat passes through the electric pushrod
Connection is on the side plate.
Preferably, the support device lateral plates are fixedly connected with battery and control panel, the output of the battery
End is electrically connected with the input terminal of control panel, and the output end of the control panel is electric with the input terminal of motor, electric pushrod respectively
Connection.
Beneficial effects of the present invention:
Crushing knife length is arranged by the way of step growth, and the material being added in crushing bin is made to obtain rank in dropping process
The crushing effect of segmentation can make material more thoroughly broken, and obtained particle is thinner.
By inputting compressed air and liquid nitrogen into crushing bin, so that crushing bin temperature, which reduces, is more conducive to the broken of material.
Material enters conveying pipeline after crushing in crushing bin, enters collecting bin by the qualified material of screening mesh screen choosing,
Select double deck screen network selection that can screen more thorough, not qualified material reenters feeding device by feeding back device and is added to
Crushing bin is crushed again, ensure that making full use of for material, so that obtained PVC powder particle is uniform.
First valve and the second valve are set on feeding back device, can control the switch of feeding back device.
After raw material crushes completion, so that electric pushrod extends, so that transverse slat drives motor and agitating device upward
It moves and is located above crushing bin, facilitate the cleaning of crushing bin and the maintenance of crushing knife and replacement.
Detailed description of the invention
Attached drawing 1 is the schematic diagram of preferred embodiment one.
Appended drawing reference: 1 feeding device, 2 crushing bins, 3 motors, 4 grinding devices, 41 stirring rods, 42 crushing knifes, 5 conveying pipelines,
51 screening nets, 6 collecting bins, 7 feeding back devices, 71 first valves, 72 second valves, 73 feed back pipes, 74 mateiral pumps, 8 electric catch bars,
It is 9 transverse slats, 10 three-way tube valves, 11 compressed air hoses, 12 liquid nitrogen input pipes, 111 air compressors, 121 liquid nitrogen generating devices, 13 defeated
Gas coil pipe, 14 support devices.
Specific embodiment
Embodiment one
A kind of ultrafine grinding device for PVC powder coating, including support device 14, the support device 14 include pedestal and
The side plate that bottom is connect with the bottom plate, is fixedly connected with electric pushrod 8 at the top of 14 side plate of support device, described electronic to push away
Bar 8 is fixed with transverse slat 9 far from described 14 side plate one end of support device, and 9 lower end of transverse slat is fixedly connected with motor 3, the electricity
Machine 3 drives grinding device 4 to rotate in crushing bin 2, and 2 top of crushing bin is equipped with sealing cover and by being set to the crushing
The feed inlet at 2 top of storehouse is connected with feeding device 1, and 5 one end of conveying pipeline is connect with the crushing bin 2, the other end and collection
Storehouse 6 connects, and communicates the crushing bin 2 with the collecting bin 6, and the conveying pipeline 5 connects and is provided with double deck screen at collecting bin end
Network selection 51,7 one end of feeding back device are communicated with 5 side wall of conveying pipeline, and the other end is communicated with the feeding device 1.The crushing
Device 4 includes stirring rod 41, crushing knife 42, and crushing knife has 5 pairs, and 42 diameter of crushing knife from stirring rod is close to motor one end according to
Secondary is 20cm, 30cm, 40cm, 60cm, 80cm, 90cm.The inner wall of the crushing bin 2 is provided with gas transmission coil pipe 13 and gas transmission coil pipe
20 apertures are symmetrically arranged on 13, the gas transmission coil pipe 13 passes through 2 side wall of crushing bin and connect with three-way tube valve 10, and described three
10 Single port of siphunculus valve connect by compressed air hose 11 with air compressor 111, another port pass through liquid nitrogen input pipe 12 and
Liquid nitrogen generating device 121 connects, and it is compressed air and liquid nitrogen that the gas transmission coil pipe 13, which inputs gas, compressed air push liquid nitrogen into
Enter in the crushing bin 2.The feeding back device 7 includes feed back pipe 73, is set to the feed back pipe 73 and connect with the conveying pipeline 5
First valve 71 at place, the second valve 72, the mateiral pump 74 for being set to the feed back pipe 73 and 1 junction of feeding device.
14 lateral plates of support device are fixedly connected with battery and control panel, the output end of the battery and control panel
Input terminal electrical connection, the output end of the control panel are electrically connected with the input terminal of motor, electric pushrod respectively.
After material enters crushing bin 2 by feeding device 1, motor 3 drives the material of 4 pairs of grinding device additions to carry out rank
Segmentation is broken, into after conveying pipeline 5, screens qualified powder particle by double deck screen network selection 51 and enters collecting bin 6, do not pass through
The particle of double deck screen network selection 51 is re-delivered at feeding device to enter in crushing bin 2 by feeding back device 7 and is crushed again；
In crushing process, three-way tube valve 10 is opened, and compressed air and nitrogen enter in gas transmission coil pipe 13, continuously by defeated
Compressed air and nitrogen are conveyed into crushing bin 2 by the aperture on gas coil pipe 13, and low temperature keeps material more easily broken, and whole device is broken
Broken high-efficient, crushing effect is good, and obtained particle is small and uniform particle sizes.
Embodiment two
A kind of ultrafine grinding device for PVC powder coating, including support device 14, the support device 14 include pedestal and
The side plate that bottom is connect with the bottom plate, is fixedly connected with electric pushrod 8 at the top of 14 side plate of support device, described electronic to push away
Bar 8 is fixed with transverse slat 9 far from described 14 side plate one end of support device, and 9 lower end of transverse slat is fixedly connected with motor 3, the electricity
Machine 3 drives grinding device 4 to rotate in crushing bin 2, and the crushing bin 2 is by being set to the feed inlet at 2 top of the crushing bin
It is connected with feeding device 1,5 one end of conveying pipeline is connect with the crushing bin 2, and the other end is connect with collecting bin 6, makes the powder
Broken storehouse 2 is communicated with the collecting bin 6, and the conveying pipeline 5, which connects, is provided with screening net 51,7 one end of feeding back device at collecting bin end
It is communicated with 5 side wall of conveying pipeline, the other end is communicated with the feeding device 1.The grinding device 4 includes stirring rod 41, powder
Broken knife 42, crushing knife has 3 pairs, and 42 diameter of crushing knife is followed successively by 40cm, 60cm, 80cm close to motor one end from stirring rod.
The inner wall of the crushing bin 2, which is provided on gas transmission coil pipe 13 and gas transmission coil pipe 13, is symmetrically arranged with 15 apertures, the gas transmission coil pipe
13 pass through 2 side wall of crushing bin connect with three-way tube valve 10,10 Single port of three-way tube valve pass through compressed air hose 11 and
Air compressor 111 connects, and another port is connect by liquid nitrogen input pipe 12 with liquid nitrogen generating device 121, the gas transmission coil pipe
13 input gases are compressed air and liquid nitrogen, and compressed air pushes liquid nitrogen to enter in the crushing bin 2.The feeding back device 7 wraps
It includes feed back pipe 73, the first valve 71 for being set to the feed back pipe 73 and 5 junction of conveying pipeline, be set to the feed back pipe
73 with the second valve 72, the mateiral pump 74 of 1 junction of feeding device.14 lateral plates of support device are fixedly connected with storage
Battery and control panel, the output end of the battery are electrically connected with the input terminal of control panel, the output of the control panel
End is electrically connected with the input terminal of motor, electric pushrod respectively.
After material enters crushing bin 2 by feeding device 1, motor 3 drives the material of 4 pairs of grinding device additions to carry out rank
Segmentation is broken, and into after conveying pipeline 5, the powder particle that qualification is screened by screening net 51 enters collecting bin 6, does not pass through screening
The particle of net 51 is re-delivered at feeding device to enter in crushing bin 2 by feeding back device 7 and is crushed again；It crushed
Cheng Zhong, three-way tube valve 10 are opened, and compressed air and nitrogen enter in gas transmission coil pipe 13, continuously pass through gas transmission coil pipe 13
On aperture compressed air and nitrogen are conveyed into crushing bin 2, low temperature keeps material more easily broken, whole device crushing efficiency
Height, crushing effect is good, and obtained particle is small and uniform particle sizes.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (9)
1. a kind of ultrafine grinding device for PVC powder coating characterized by comprising support device (14), transverse slat (9),
Feeding device (1), crushing bin (2), motor (3), grinding device (4), conveying pipeline (5), collecting bin (6), feeding back device (7)；Institute
Stating support device (14) includes the side plate that pedestal and bottom are connect with the bottom plate, and transverse slat (9) are provided at the top of the side plate；
The motor (3) is fixed on the transverse slat (9), and the motor (3) drives the grinding device (4) in the crushing bin (2)
Middle rotation；The crushing bin (2) is communicated by being set to the feed inlet at the top of the crushing bin (2) with the feeding device (1)；
The crushing bin (2) is communicated with the collecting bin (6) by the conveying pipeline (5)；Described feeding back device (7) one end with it is described defeated
Expects pipe (5) side wall communicates, and the other end is communicated with the feeding device (1).
2. a kind of ultrafine grinding device for PVC powder coating according to claim 1, which is characterized in that the powder
At least three pairs of crushing knifes (42) that crushing device (4) includes stirring rod (41), is arranged on stirring rod, and the length of crushing knife from
Successively increase close to motor to the direction far from motor.
3. a kind of ultrafine grinding device for PVC powder coating according to claim 2, which is characterized in that the powder
The inner wall of broken storehouse (2) is provided with gas transmission coil pipe (13), and the gas transmission coil pipe (13) passes through the crushing bin (2) side wall and tee tube
Valve (10) connection, three-way tube valve (10) Single port is connect by compressed air hose (11) with air compressor (111), another
Port is connect by liquid nitrogen input pipe (12) with liquid nitrogen generating device (121).
4. a kind of ultrafine grinding device for PVC powder coating according to claim 3, which is characterized in that described defeated
Gas coil pipe (13) is equipped with several apertures.
5. a kind of ultrafine grinding device for PVC powder coating according to claim 1, which is characterized in that described time
Expect that device (7) include feed back pipe (73), the first valve for being set to the feed back pipe (73) Yu the conveying pipeline (5) junction
(71), the second valve (72), the mateiral pump (74) of the feed back pipe (73) and the feeding device (1) junction are set to.
6. a kind of ultrafine grinding device for PVC powder coating according to claim 5, which is characterized in that described defeated
Expects pipe (5) connection is provided with screening net (51) at collecting bin (6) end.
7. a kind of ultrafine grinding device for PVC powder coating according to claim 1, which is characterized in that the branch
It is provided with electric pushrod (8) at the top of support arrangement (14) side plate, the transverse slat (9) is connected to institute by the electric pushrod (8)
It states on side plate.
8. a kind of ultrafine grinding device for PVC powder coating according to claim 7, which is characterized in that the branch
Support arrangement (14) lateral plates are fixedly connected with battery and control panel.
9. a kind of ultrafine grinding device for PVC powder coating according to claim 8, which is characterized in that the storage
The output end of battery is electrically connected with the input terminal of control panel, the output end of the control panel respectively with motor (3), electronic push away
The input terminal of bar (8) is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811218501.1A CN109174345A (en) | 2018-10-19 | 2018-10-19 | A kind of ultrafine grinding device for PVC powder coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811218501.1A CN109174345A (en) | 2018-10-19 | 2018-10-19 | A kind of ultrafine grinding device for PVC powder coating |
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| Publication Number | Publication Date |
|---|---|
| CN109174345A true CN109174345A (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811218501.1A Withdrawn CN109174345A (en) | 2018-10-19 | 2018-10-19 | A kind of ultrafine grinding device for PVC powder coating |
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| CN209393289U (en) * | 2018-10-19 | 2019-09-17 | 浙江坤鸿新材料有限公司 | A kind of ultrafine grinding device for PVC powder coating |
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Application publication date: 20190111 |