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CN109482317A - A kind of multi-stage crushing device of powdery paints - Google Patents

A kind of multi-stage crushing device of powdery paints Download PDF

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Publication number
CN109482317A
CN109482317A CN201811179840.3A CN201811179840A CN109482317A CN 109482317 A CN109482317 A CN 109482317A CN 201811179840 A CN201811179840 A CN 201811179840A CN 109482317 A CN109482317 A CN 109482317A
Authority
CN
China
Prior art keywords
powdery paints
area
crushing
crush box
knife tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811179840.3A
Other languages
Chinese (zh)
Inventor
吴延军
黄洪
徐涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Tuyi Decoration Material Technology Co Ltd
Original Assignee
Foshan Tuyi Decoration Material Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan Tuyi Decoration Material Technology Co Ltd filed Critical Foshan Tuyi Decoration Material Technology Co Ltd
Priority to CN201811179840.3A priority Critical patent/CN109482317A/en
Publication of CN109482317A publication Critical patent/CN109482317A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00Disintegrating plant with or without drying of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/02Feeding devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14Separating or sorting of material, associated with crushing or disintegrating with more than one separator

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Crushing And Grinding (AREA)

Abstract

The present invention provides a kind of multi-stage crushing devices of powdery paints, including crush box, feeding device, the support section of discharge port and crushing box bottom, the first disintegrating area is set below feeding device, first disintegrating area includes vertical shell, filtrate plate and rotary body, there is crushing knife tool one on vertical shell, vertical housing bottom is connect with shaft, crushing knife tool two is set on rotary body, the bottom of shaft and rotary body is connected to motor, it crushes and forms level-one disintegrating area and second level disintegrating area between box inner wall and vertical hull outside wall, screening area one is equipped with below second level disintegrating area, it sieves and is equipped with crushing wheel below area one, it is screening area two immediately below crushing wheel.The present invention is by two screening areas of setting so that comminution process has efficiently and targetedly, can be realized by the powdery paints of variable grain particle size crush more sufficiently and more evenly, can satisfy the customer demand of the lesser powdery paints of partial size.

Description

A kind of multi-stage crushing device of powdery paints
Technical field
The present invention relates to pulverizer technical field more particularly to a kind of multi-stage crushing devices of powdery paints.
Background technique
Powdery paints be it is a kind of novel without 100% solid powdery coating of solvent, have it is solvent-free, pollution-free, can Recycling, saves the energy and resource, reduces labor intensity the features such as high with coating machinery intensity at environmental protection.The production of powdery paints needs The coating fragment of sheet is further crushed to reach coating specification, at this point, the degree of grinding of flakelike powder coating and Even degree determines the quality of quality of powder paint.And current powdery paints grinding device generally directly crushes raw material, It is not only easy to produce in crushing process and crushes halfway situation, also as the size of raw material is larger, the crushing to pulverizer Larger load, is easily damaged cutter caused by cutter, to influence the working life of grinding device, reduces working efficiency.
Summary of the invention
The present invention provides a kind of multi-stage crushing device of powdery paints in view of the deficiencies of the prior art, can be realized powder painting The multi-stage crushing of material makes powdery paints be rapidly achieved desired particle size.
The present invention provides a kind of multi-stage crushing device of powdery paints, including crush box, it is separately positioned on the crushing The feeding device and discharge port of case upper and lower ends, the support section that the crushing box bottom is set, the feeding device just under Side is equipped with the first cylindrical disintegrating area, and first disintegrating area includes vertical shell, filtrate plate and rotary body, the filtrate plate End is fixedly connected with the vertical housing tip, and crushing knife tool one is fixed with inside and outside the vertical shell, described perpendicular It is fixedly connected to housing bottom with shaft, correspondence is fixed with crushing knife tool two, the shaft and the rotation on the rotary body Swivel is connected to motor, and realizes that the shaft and the rotary body reversely rotate by worm and gear, on the inside of the crush box Level-one disintegrating area and second level disintegrating area, the second patent flour are from top to bottom sequentially formed between wall and the lateral wall of the vertical shell Broken area is arranged right below screening area one, and the screening area one includes that the sieving plate one of the crushing box side wall and defeated is fixed in inclination Outlet pipe one, is equipped with crushing wheel below the screening area one, is screening area two immediately below the crushing wheel, the screening area two includes The sieving plate two and efferent duct two of the crushing box side wall are fixed in inclination.
Preferably, the feeding device includes feed pipe, buffer barrel, the particle bar in the buffer barrel and described of top The buffer barrel inner sidewall, the control button control are fixed in control button on the outside of buffer barrel, one end of the particle bar The particle bar rotates upwardly and downwardly.
Preferably, the efferent duct one is connect with the feed pipe by blower.
Preferably, two sides are equipped with baffle above the filtrate plate, and the baffle upper end passes through rotating device and the buffering The connection of bucket bottom, the baffle lower end is abutted against with the filtrate plate.
Preferably, the filtrate plate is tapered, and interval is uniformly provided with filtrate hole on the filtrate plate;First disintegrating area Bottom it is V-shaped, on the bottom of the V-arrangement interval be uniformly provided with sieve pore.
Preferably, the side wall in the crush box above the screening area one is from top to bottom successively fixed with powder Broken cutter three and crushing knife tool four.
Preferably, the blade of the crushing knife tool one in the level-one disintegrating area and the crushing knife tool three is in blunt It is round;The blade of the crushing knife tool one and the crushing knife tool four in the second level disintegrating area is in the shape of the letter V.
Preferably, one lower port of efferent duct is connected to the crush box and connect with one bottom of sieving plate, institute State the circular hole that certain pore size size is evenly distributed on sieving plate one.
Preferably, two upper port of efferent duct protrudes into the crush box and protrudes into the inclination of the part in the crush box The downwardly sieving plate one, two lower port of efferent duct are connected to the crush box and connect with two bottom of sieving plate It connects, the circular hole of certain pore size size is evenly distributed on the sieving plate two.
Preferably, the support section includes support column, supporting table and support leg, and the support foot bottom is equipped with a circle branch Cushion is supportted, the support leg top is connect with the supporting table by screw spiral.
Compared with prior art, the invention has the following advantages:
1. the present invention keeps partial size larger and the lesser powder of partial size by the way that filtrate plate and baffle are arranged below feeding device Coating separates, and the relatively fine powdery paints of partial size directly passes through filtrate plate and crushed into the first disintegrating area, and partial size is biggish Powdery paints block opens baffle under the effect of gravity and falls into the progress coarse crushing of level-one disintegrating area along filtrate plate diagonally downward, later It falls into second level disintegrating area and carries out separating twice, avoid carrying out the biggish bulk powders coating of powder particle diameter using more sharp keen blade And cause blade impaired, to extend the service life of grinding device.
2. grinding device of the invention can carry out multi-stage crushing processing to powdery paints, by applying large-sized powder Material and the powdery paints of small particle carry out separating processing, mix progress multi-stage crushing processing again after carrying out multi-stage crushing respectively, So that the crushing effect of treated powdery paints is uniform, crush efficiency is high, it is not easy to leak through large stretch of coating fragment.
3. by two screening areas of setting in the present invention so that comminution process have it is efficiently and targeted, can Realize by the powdery paints of variable grain particle size crush more sufficiently and more evenly.
4. being provided with multi-stage crushing area and multiple crushed zones in grinding device of the invention, powdery paints is sufficiently refined And crushing, it can satisfy the customer demand of the lesser powdery paints of partial size.
5. being avoided in fill process in the present invention using the charging of material reducing pipe, dust from flying, pollution environment.
6. in the present invention set by the support foot bottom of support section one circle support cushion and by support leg and support The connection of platform spiral, i.e., the support leg is scalable, then can satisfy the stationarity that grinding device is placed in rough bottom surface.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the cross-sectional view of feeding device partial enlarged view in Fig. 1 of the present invention.
Fig. 3 is the top view of filtrate plate in Fig. 1 of the present invention.
Fig. 4 is the partial enlarged view of support section in Fig. 1 of the present invention.
Fig. 5 is the partial schematic diagram of middle part component in Fig. 1 of the present invention.
Specific embodiment
The present invention is further illustrated With reference to embodiment.Wherein, attached drawing only for illustration, What is indicated is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent;Reality in order to better illustrate the present invention Example is applied, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product;To those skilled in the art For, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention;It is retouched in of the invention In stating, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is based on attached drawing Shown in orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion is signified Device or component must have a particular orientation, be constructed and operated in a specific orientation, therefore positional relationship is described in attached drawing Term only for illustration, should not be understood as the limitation to this patent, for the ordinary skill in the art, can To understand the concrete meaning of above-mentioned term as the case may be.
As shown in Figs. 1-5, the multi-stage crushing device of a kind of powdery paints, including crush box 1, it is separately positioned on the crushing The feeding device 2 and discharge port 7 of 1 upper and lower ends of case, the support section 9 that 1 bottom of crush box is set, the feeding device 2 include the control of the feed pipe 21 of top, 22 outside of buffer barrel 22, the particle bar 24 in the buffer barrel 22 and the buffer barrel 22 inner sidewall of buffer barrel is fixed in button 23, one end of the particle bar 24, and at least 3, the particle bar 24, and Every being equably fixed on 22 inner sidewall of buffer barrel, one end that the particle bar 24 is fixed on 22 inner sidewall of buffer barrel can It is rotated along inner sidewall original position non-resistance, the control button 23 controls the particle bar 24 and rotates upwardly and downwardly, i.e., the described particle bar 24 are rotated upwardly and downwardly using its one end for being fixed on 22 inner sidewall of buffer barrel as rotation fulcrum, when powdery paints is from the feed pipe 21 when entering in the buffer barrel 22, presses the control button 23 and starts the particle bar 24, about the 24 particle bar Rotation, powdery paints are then acted on by the impact of the particle bar 24 rotated upwardly and downwardly, and the powdery paints of bulk is in the buffering Broken in bucket 22, simultaneously because the broken powdery paints for fritter of the powdery paints of bulk, then powdery paints is fallen down Impact force and gravity decrease, and reduce the powdery paints to the percussion of other component, decrease crushing knife The working strength of tool.The feeding device 2 is arranged right below the first cylindrical disintegrating area 8, and first disintegrating area 8 includes perpendicular To shell 83, filtrate plate 81 and rotary body 82, the filtrate plate 81 is tapered, and interval is uniformly provided with filtrate on the filtrate plate 81 Hole 811,81 end of filtrate plate are fixedly connected with vertical 83 top of shell, 81 end of filtrate plate and described vertical 83 junction of shell is smoother, does not hinder powdery paints slide downward, is fixed with crushing inside and outside the vertical shell 83 Cutter 1, vertical 83 bottom of shell are fixedly connected with shaft 86, and correspondence is fixed with crushing knife on the rotary body 82 Have 2 821, the bottom of the shaft 86 and the rotary body 82 is connect with motor 87, realizes the shaft by worm and gear 86 and the rotary body 82 reversely rotate, i.e., the described shaft 86 drives the vertical shell 83 with certain revolving speed rotation, the rotation Swivel is 82 with certain speed rotation, wherein the direction that the shaft 86 rotates rotated with the rotary body 82 it is contrary, two The rotation speed of person can be the same or different, and can be adjusted according to production needs.1 inner sidewall of crush box and institute It states and from top to bottom sequentially forms level-one disintegrating area 3 and second level disintegrating area 4 between the lateral wall of vertical shell 83, powdery paints is through filtering After the filtrate hole 811 of flitch 81 filters, the lesser powdery paints of particle, which enters in the first disintegrating area 8, further to be crushed Effect, the biggish powdery paints of particle is under the effect of gravity by coarse powder along filtrate plate 81 downwards landing to level-one disintegrating area 3 It is broken, it enters in second level disintegrating area 4 and is crushed again later, the second level disintegrating area 4 is arranged right below screening area 1, position Crushing knife tool 3 31 and powder are from top to bottom successively fixed in the side wall in the crush box 1 sieved above area 1 Broken cutter 4 41, the screening area 1 include tilting down the sieving plate 1 and efferent duct for being fixed on 1 side wall of crush box One 52, one 52 lower port of efferent duct is connected to the crush box 1 and connect with one 51 bottom of sieving plate, the screening It is evenly distributed with the circular hole of certain pore size size on plate 1, allows the powdery paints of larger particles along the sieving plate One 51 slide into downwards the lower port of the efferent duct 1, and the efferent duct 1 is connect with the feed pipe 21 by blower, One 5 lower section of the screening area is equipped with crushing wheel 53, and powdery paints in the second level disintegrating area 4 from falling into the screening area 1 Sieving plate 1 on when, the lesser powdery paints of particle is fallen from the sieve pore in the sieving plate 1 by crushing wheel 53 Pulverization again, and the biggish powdery paints of particle slides to one 52 bottom of efferent duct and is drawn into institute by blower Show in feeding device, filtered sieve by the filtrate plate 81 again, is screening area 26, the sieve immediately below the crushing wheel 53 Subregion 26 includes tilting down the sieving plate 2 61 and efferent duct 2 62 for being fixed on 1 side wall of crush box, the efferent duct two 62 upper ports protrude into the crush box 1 and protrude into the part in the crush box 1 diagonally downward towards the sieving plate 1, 2 62 lower port of efferent duct is connected to the crush box 1 and connect with 2 61 bottom of sieving plate, the sieving plate two It is evenly distributed with the circular hole of certain pore size size on 61, is dropped into the sieving plate by after the pulverization again of crushing wheel 53 On 2 61, the lesser powdery paints of particle then falls from the sieve pore on the sieving plate 2 61 and is discharged simultaneously through the discharge port 7 It is collected, and the biggish powdery paints of particle slides to two bottom of sieving plate and is drawn into a upper screening stage by blower, It is drawn into the screening area 1, is sieved again by the sieving plate 1, by the way that two screening areas, i.e., the described screening is arranged Area 1 and the screening area 26 can be realized so that comminution process is efficiently and targeted by powdery paints crushing It more can sufficiently and more evenly.
The 81 top two sides of filtrate plate are equipped with baffle 11, and 11 upper end of baffle is delayed by rotating device 111 with described The connection of 22 bottom of bucket is rushed, 11 lower end of baffle is abutted against with the filtrate plate 81, when enough biggish powder of partial size apply When material is resisted against on the baffle 11, the baffle 12 is turned out by impulse force and along rotating device 111, i.e., when partial size is larger Powdery paints block slide down to the baffle 11 along the filtrate plate 81 under gravity, due on the baffle 11 End is connect by rotating device 111 with 22 bottom of buffer barrel, when the baffle 11 is by the biggish powdery paints of partial size When impact force, the baffle 11 is turned out, at this point, the biggish powdery paints of partial size then fall into the level-one disintegrating area 3 into Row coarse crushing effect;At the same time, when the shaft 86 rotates, the filtrate plate 81 is driven to rotate together, due to the filtrate The rotation of plate 81, so that the lesser powdery paints of partial size is more easily by the filtrate hole 811 on the filtrate plate 81.
One 831 points of the crushing knife tool positioned at vertical 83 outside of shell are top half cutter and lower half portion knife Tool, the crushing knife tool 1 of the top half is identical as the specification shape of the crushing knife tool 3 31, that is, is located at the level-one The blade of the crushing knife tool 1 and the crushing knife tool 3 31 in disintegrating area 3 is in blunt round, i.e., the described top half The level-one disintegrating area 3 is formed between crushing knife tool 1 and the crushing knife tool 3 31, when the biggish powdery paints of partial size is fallen It is in the crushing knife tool 1 and the crushing knife tool 3 31 of blunt round by blade when entering in the level-one disintegrating area 3 Pulverization.The crushing knife tool 1 of the lower half portion is identical as the specification shape of the crushing knife tool 4 41, that is, is located at institute The blade for stating the crushing knife tool 1 and the crushing knife tool 4 41 in second level disintegrating area 4 is thin and sharp, and blade is in V word Shape forms the second level disintegrating area 4 between the crushing knife tool 1 and the crushing knife tool 4 41 of that is, described lower half portion.
The bottom of first disintegrating area 8 is V-shaped, and interval is uniformly provided with sieve pore 84 on the bottom of the V-arrangement, by described The filtrate hole 811 on filtrate plate 81 enters first disintegrating area 8 by crushing knife tool in first disintegrating area 8 Pulverization, powdery paints fall into the bottom of first disintegrating area 8 from top to bottom under gravity, pass through the sieve pore 84 drop into the screening area 1.
The support section 9 is evenly spaced to be set to 1 bottom of crush box, and the support section 9 is at least provided with 3 To guarantee that the stability when crush box 1 operation, the support section 9 include support column 94, supporting table 91 and support leg, institute It states there are five support legs, the support crush box 1 is unfolded in five support legs outward along all directions four direction respectively, the Five support legs are connected with a circle support cushion 93 in the middle of other four support leg, five supports foot bottom, so that The support section 9 adapts to uneven ground, meanwhile, the support leg and the supporting table 91 pass through 92 spiral of screw Connection, five support legs respectively can be by the 92 rotary extension height of screw, so that the crush box 1 can be with It is placed in rough bottom surface, makes the adaptability of the crush box 1 more extensively and when operation is more firm.
To sum up, the present invention keeps partial size larger lesser with partial size by the way that filtrate plate and baffle are arranged below feeding device Powdery paints separates, and the relatively fine powdery paints of partial size directly passes through filtrate plate and crushed into the first disintegrating area, partial size compared with Big powdery paints block opens baffle under the effect of gravity and falls into the progress coarse crushing of level-one disintegrating area along filtrate plate diagonally downward, Second level disintegrating area is fallen into later and carries out separating twice, avoids carrying out the biggish bulk powders of powder particle diameter using more sharp keen blade Coating and cause blade impaired, to extend the service life of grinding device;By two screening areas of setting in the present invention, so that Comminution process can be realized more filling the powdery paints crushing of variable grain particle size with efficiently and targetedly Divide and more evenly can satisfy the customer demand of the lesser powdery paints of partial size;Simultaneously as powdery paints be via it is described into Expects pipe enters in the buffer barrel, and fill process and crushing process are in enclosed environment and avoid flying for coating dust It splashes, avoids causing dust pollution, protect environment.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to the foregoing embodiments Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation Technical solution documented by example is modified or equivalent replacement of some of the technical features;And these modification or Replacement, the protection scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.

Claims (10)

1. a kind of multi-stage crushing device of powdery paints, including crush box (1), it is separately positioned on the crush box (1) up and down two The feeding device (2) and discharge port (7) at end, setting the crush box (1) bottom support section (9), which is characterized in that institute It states feeding device (2) and is arranged right below cylindrical the first disintegrating area (8), first disintegrating area (8) includes vertical shell (83), filtrate plate (81) and rotary body (82), filtrate plate (81) end are fixedly connected with vertical shell (83) top, Crushing knife tool one (831), vertical shell (83) bottom and shaft are fixed with inside and outside the vertical shell (83) (86) it is fixedly connected, correspondence is fixed with crushing knife tool two (821), the shaft (86) and the rotation on the rotary body (82) Swivel (82) is connect with motor (87), realizes that the shaft (86) and the rotary body (82) reversely revolve by worm and gear Turn, level-one crushing is from top to bottom sequentially formed between crush box (1) inner sidewall and the lateral wall of the vertical shell (83) Area (3) and second level disintegrating area (4), the second level disintegrating area (4) are arranged right below screening area one (5), screening area one (5) packet Include sieving plate one (51) and efferent duct one (52) that the crush box (1) side wall is fixed in inclination, screening area one (5) lower section It is screening area two (6) immediately below the crushing wheel (53) equipped with crushing wheel (53), the screening area two (6) includes that inclination is fixed In the sieving plate two (61) and efferent duct two (62) of the crush box (1) side wall.
2. a kind of multi-stage crushing device of powdery paints according to claim 1, which is characterized in that the feeding device (2) include top feed pipe (21), buffer barrel (22), the particle bar (24) in the buffer barrel (22) and the buffer barrel (22) buffer barrel (22) inner sidewall, the control are fixed in the control button (23) on the outside of, one end of the particle bar (24) Button (23) processed controls the particle bar (24) and rotates upwardly and downwardly.
3. a kind of multi-stage crushing device of powdery paints according to claim 2, which is characterized in that the efferent duct one (52) it is connect with the feed pipe (21) by blower.
4. a kind of multi-stage crushing device of powdery paints according to claim 2, which is characterized in that the filtrate plate (81) Top two sides are equipped with baffle (11), and baffle (11) upper end is connected by rotating device (111) and the buffer barrel (22) bottom It connects, baffle (11) lower end is abutted against with the filtrate plate (81).
5. a kind of multi-stage crushing device of powdery paints according to claim 1, which is characterized in that the filtrate plate (81) Tapered, interval is uniformly provided with filtrate hole (811) on the filtrate plate (81);The bottom of first disintegrating area (8) is V-shaped, Interval is uniformly provided with sieve pore (84) on the bottom of the V-arrangement.
6. a kind of multi-stage crushing device of powdery paints according to claim 1, which is characterized in that be located at the screening area The side wall in the crush box (1) above one (5) is from top to bottom successively fixed with crushing knife tool three (31) and crushing knife tool Four (41).
7. a kind of multi-stage crushing device of powdery paints according to claim 6, which is characterized in that be located at the first level flour The blade of the crushing knife tool one (831) and the crushing knife tool three (31) in broken area (3) is in blunt round;Positioned at the second level The blade of the crushing knife tool one (831) and the crushing knife tool four (41) in disintegrating area (4) is in the shape of the letter V.
8. a kind of multi-stage crushing device of powdery paints according to claim 1, which is characterized in that the efferent duct one (52) lower port is connected to the crush box (1) and connect with sieving plate one (51) bottom, on the sieving plate one (51) It is evenly distributed with the circular hole of certain pore size size.
9. a kind of multi-stage crushing device of powdery paints according to claim 8, which is characterized in that the efferent duct two (62) upper port protrudes into the crush box (1) and protrudes into the part in the crush box (1) diagonally downward towards the screening Plate one (51), efferent duct two (62) lower port are connected to the crush box (1) and connect with sieving plate two (61) bottom It connects, the circular hole of certain pore size size is evenly distributed on the sieving plate two (61).
10. a kind of multi-stage crushing device of powdery paints according to claim 1, which is characterized in that the support section It (9) include support column (94), supporting table (91) and support leg, the support foot bottom is equipped with circle support cushion (93), described Support leg top is connect with the supporting table (91) by screw (92) spiral.
CN201811179840.3A 2018-10-10 2018-10-10 A kind of multi-stage crushing device of powdery paints Pending CN109482317A (en)

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