CN220715662U

CN220715662U - Raw material premixing device for powder coating production and processing

Info

Publication number: CN220715662U
Application number: CN202321632491.2U
Authority: CN
Inventors: 宗先勋
Original assignee: Henan Longtu New Materials Technology Co ltd
Current assignee: Henan Longtu New Materials Technology Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2024-04-05
Anticipated expiration: 2033-06-26

Abstract

The utility model discloses a raw material premixing device for powder coating production and processing, which comprises a mixing box, a stirring mechanism and a crushing mechanism, wherein a baffle is fixedly arranged in the mixing box, the baffle is in a conical structure, the stirring mechanism comprises a mounting frame, a motor, a stirring shaft, two U-shaped scraping rods and a plurality of stirring blades, the mounting frame is fixedly arranged at the top of the mixing box, the motor is fixedly arranged in the mounting frame, the output shaft end of the motor rotates to penetrate through the top of the mixing box, and the stirring shaft is fixedly arranged at the output shaft end of the motor. The utility model has reasonable design and good practicability, and can scrape the raw materials adhered on the inner wall of the mixing box when stirring and mixing the production raw materials, improve the mixing efficiency of the raw materials, screen the mixed raw materials and crush and grind the large-particle raw materials solidified into blocks.

Description

Raw material premixing device for powder coating production and processing

Technical Field

The utility model relates to the technical field of raw material premixing for powder coating production and processing, in particular to a raw material premixing device for powder coating production and processing.

Background

Powder coatings are quite different from general coatings in form of fine powder. Since no solvent is used, it is called a powder coating. Powder coatings have a number of significant advantages over liquid coatings: the powder coating does not contain organic solvent, and avoids fire, poisoning and unsafe problem in transportation caused by the organic solvent. An important step of the powder coating production process is to add various powdery raw materials including resin, pigment, curing agent, auxiliary agent and the like which are added according to a certain proportion into a mixer to be fully stirred to obtain premix, and then to carry out the following procedures to further carry out mixing homogenization. However, since the raw materials are all in a fine powder form and the particle sizes and densities of the raw materials are different from each other, the mixing is insufficient in the conventional mixing device, and uneven distribution of the raw material components may occur.

Aiming at the problem, the Chinese patent publication No. CN206229226U discloses a raw material premixing device for powder coating production and processing, which has the technical key points that: comprises a stirring tank, wherein the upper part of the stirring tank is of a cylindrical structure, and the lower part of the stirring tank is of a tapered structure which gradually closes up; the top of the stirring tank is provided with a top cover, and a plurality of charging ports are formed in the top cover; the center of the stirring tank is vertically provided with a main stirring shaft, two sides of the main stirring shaft are symmetrically provided with a group of auxiliary stirring shafts, and spiral blades are arranged on the main stirring shaft and the auxiliary stirring shafts; a motor is arranged at the top of the stirring tank, and a rotating shaft of the motor is connected with a main stirring shaft through a coupler; gears are arranged at the upper end parts of the main stirring shaft and the auxiliary stirring shaft, and the gears are connected through chain transmission; a plurality of baffle plates are arranged on the inner wall of the stirring tank; the bottom of the stirring tank is provided with a discharge hole.

The above solution has been found to still have at least the following drawbacks in practice: in the premixing process, raw materials are easy to adhere and accumulate on a baffle plate, and are inconvenient to clean, so that insufficient mixing and discharging are caused.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a raw material premixing device for powder coating production and processing, which solves the problems of insufficient mixing and discharging caused by the fact that raw materials are easy to adhere and accumulate on a baffle plate and are inconvenient to clean in the premixing process.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a powder coating production and processing is with raw materials premixing device, includes mixing box, rabbling mechanism and crushing mechanism, mixing box internal fixation has the baffle, the baffle is coniform structure, the rabbling mechanism includes the mounting bracket, a motor, the (mixing) shaft, two U type scrapes pole and a plurality of stirring leaf, mounting bracket fixed mounting is at the top of mixing box, motor fixed mounting is in the mounting bracket, the top of (mixing) shaft rotates the top of running through the mixing box, the output shaft end and the top fixed connection of (mixing) shaft of motor, two equal fixed mounting of U type scrape pole and be symmetric distribution on the (mixing) shaft, two U type scrape pole all with mixing box inner wall sliding contact, a plurality of stirring leaf equal fixed mounting are epaxial and be equidistant two liang symmetric distributions, crushing mechanism sets up on the mixing box, crushing mechanism is used for smashing the large granule raw materials of concreting the piece.

Preferably, a first discharging pipe is fixedly arranged at the bottom of the partition plate, and an electromagnetic discharging valve is fixedly arranged on the first discharging pipe.

Preferably, the crushing mechanism comprises two positioning blocks, a transmission shaft, a first sprocket, a second sprocket, a chain, a driving bevel gear, a rotating shaft, a driven bevel gear, a roller and a V-shaped screen plate, wherein the two positioning blocks are fixedly arranged on the outer wall of the rear side of the mixing box, the transmission shaft is rotatably arranged on the two positioning blocks, the first sprocket is fixedly sleeved at the output shaft end of the motor, the second sprocket is fixedly sleeved at the top end of the transmission shaft, the chain is wound on the first sprocket and the second sprocket, the driving bevel gear is fixedly sleeved at the bottom end of the transmission shaft, the rotating shaft is rotatably arranged in the mixing box and positioned below the first discharging pipe, the rear end of the rotating shaft extends out of the mixing box, the driven bevel gear is fixedly sleeved at the rear end of the rotating shaft, the driving bevel gear is meshed with the driven bevel gear, the roller is fixedly sleeved in the rotating shaft and positioned in the mixing box, the V-shaped screen plate is fixedly arranged in the mixing box and positioned below the roller, and the roller is in rolling contact with the V-shaped screen plate.

Preferably, the inner wall of the bottom of the mixing box is in a conical structure, a second discharging pipe is fixedly arranged at the bottom of the mixing box, and a control valve is fixedly arranged on the second discharging pipe.

Preferably, the top fixed mounting of mixing box has two feeder hoppers, and two feeder hoppers are located the left and right sides of mounting bracket respectively, and the bottom of two feeder hoppers all extends to mixing box in, and the apron is all installed in the rotation of the top of two feeder hoppers through the hinge.

Preferably, the front side of the mixing box is provided with an access opening, the access opening is rotatably provided with an access door through a hinge, and the access door is provided with an observation window.

(III) beneficial effects

The utility model provides a raw material premixing device for powder coating production and processing. The beneficial effects are as follows:

(1) This raw materials premixing device is used in powder coating production and processing through utilizing the combined action of being combined by motor, (mixing) shaft, two U type scrapes pole and a plurality of stirring leaf, can scrape the raw materials of getting adhesion on the mixing box inner wall when mixing the raw materials, promotes raw materials mixing efficiency.

(2) The raw material premixing device for producing and processing the powder coating can screen mixed raw materials and crush and grind large-particle raw materials solidified into blocks by utilizing a crushing mechanism formed by combining two positioning blocks, a transmission shaft, a first sprocket, a second sprocket, a chain, a driving bevel gear, a rotating shaft, a driven bevel gear, a roller and a V-shaped screen plate.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the front view of the present utility model;

FIG. 3 is a schematic cross-sectional side view of the present utility model.

In the figure: 1. a mixing box; 2. a mounting frame; 3. a motor; 4. a stirring shaft; 5. a U-shaped scraping rod; 6. stirring the leaves; 7. a partition plate; 8. a first discharge pipe; 9. an electromagnetic discharge valve; 10. a positioning block; 11. a transmission shaft; 12. a first sprocket; 13. a second sprocket; 14. a chain; 15. a driving bevel gear; 16. a rotating shaft; 17. a driven bevel gear; 18. a roller; 19. v-shaped sieve plate; 20. a second discharge pipe; 21. a control valve; 22. a feed hopper; 23. and a cover plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, the present utility model provides a technical solution: the utility model provides a raw materials premixing device for powder coating production and processing, including mixing box 1, rabbling mechanism and crushing mechanism, fixed mounting has baffle 7 in the mixing box 1, baffle 7 is the circular cone form structure, the bottom fixed mounting of above-mentioned baffle 7 has first row material pipe 8, fixed mounting has electromagnetic discharge valve 9 on the first row material pipe 8, baffle 7 is used for separating mixing box 1 top into the stirring storehouse, electromagnetic discharge valve 9 can control the raw materials after the mixing of first row material pipe 8 discharge as required, rabbling mechanism includes mounting bracket 2, motor 3, (mixing) shaft 4, two U type scrapes 5 and a plurality of stirring leaf 6, mounting bracket 2 fixed mounting is at the top of mixing box 1, mounting bracket 2 is used for supporting and protecting first motor 3, motor 3 fixed mounting is in mounting bracket 2, the top rotation of (mixing) shaft 4 runs through the top of mixing box 1, the output shaft end of motor 3 and the top fixed connection of (mixing) shaft 4, the two U-shaped scraping rods 5 are fixedly arranged on the stirring shaft 4 and symmetrically distributed, the two U-shaped scraping rods 5 are in sliding contact with the inner wall of the mixing box 1, the U-shaped scraping rods 5 are used for cleaning the inner wall of the mixing box 1 and avoiding raw materials from adhering, the stirring blades 6 are fixedly arranged on the stirring shaft 4 and are symmetrically distributed in pairs at equal intervals, the crushing mechanism is arranged on the mixing box 1 and is used for crushing and solidifying large-particle raw materials in blocks, the inner wall of the bottom of the mixing box 1 is in a conical structure, the bottom of the mixing box 1 is fixedly provided with a second discharging pipe 20, the second discharging pipe 20 is fixedly provided with a control valve 21, the control valve 21 is used for controlling the second discharging pipe 20 to discharge screened raw materials, the front side of the mixing box 1 is provided with an overhaul port, the overhaul port is rotatably provided with an overhaul door through a hinge, the overhaul port is provided with an observation window, the access door is used for overhauling spare part in the mixing box 1, and the top fixed mounting of mixing box 1 has two feeder hoppers 22, and two feeder hoppers 22 are located the left and right sides of mounting bracket 2 respectively, and in the bottom of two feeder hoppers 22 all extended to mixing box 1, two feeder hoppers 22 were used for throwing in different raw materials to mixing box 1 simultaneously, and apron 23 was installed through the equal rotation of hinge in the top of two feeder hoppers 22, and two apron 23 are used for sealing mixing box 1, avoid the raise dust.

The crushing mechanism comprises two positioning blocks 10, a transmission shaft 11, a first chain wheel 12, a second chain wheel 13, a chain 14, a driving bevel gear 15, a rotating shaft 16, a driven bevel gear 17, a roller 18 and a V-shaped sieve plate 19, wherein the two positioning blocks 10 are fixedly arranged on the outer wall of the rear side of the mixing box 1, the two positioning blocks 10 are used for supporting the transmission shaft 11, the transmission shaft 11 is rotatably arranged on the two positioning blocks 10, the first chain wheel 12 is fixedly sleeved at the output shaft end of the motor 3, the second chain wheel 13 is fixedly sleeved at the top end of the transmission shaft 11, the chain 14 is wound on the first chain wheel 12 and the second chain wheel 13, the rotation of the motor 3 can be transmitted to the transmission shaft 11 by utilizing the transmission action of the first chain wheel 12, the second chain wheel 13 and the chain 14, the driving bevel gear 15 is fixedly sleeved at the bottom end of the transmission shaft 11, the rotating shaft 16 is rotatably arranged in the mixing box 1 and positioned below the first material discharge pipe 8, the left end of the rotating shaft 16 extends out of the mixing box 1, the driven bevel gear 17 is fixedly sleeved at the rear end of the rotating shaft 16, the driving bevel gear 15 and the driven bevel gear 17 is meshed with the driven bevel gear 17 and the driving wheel 19 are rotatably arranged on the mixing box 18 and can be in contact with the rotating shaft 19 and the roller 18 and the V-shaped sieve plate in the rolling wheel 18, the mixing box is arranged in the rolling box and the roller 18 is in contact with the roller 18 and the roller 18 is in the roller type and the roller-shaped material is in the fixed 18.

In this embodiment, it should be noted that, a control switch is disposed on the mixing box 1 or at a suitable position beside the mixing box 1, and the motor 3, the electromagnetic discharge valve and the control switch are electrically connected through wires, where the control switch can be used to control the motor 3 and the electromagnetic discharge valve to perform the power-on operation respectively.

Through the structure, the raw material premixing device for powder coating production and processing provided by the utility model can scrape raw materials adhered on the inner wall of the mixing box when stirring and mixing production raw materials, improves the mixing efficiency of the raw materials, screens the mixed raw materials, pulverizes and grinds large-particle raw materials solidified into blocks, and in particular use, different raw materials are put into the mixing box 1 in proportion through the two feed hoppers 22 at the same time, the mixing box 1 is closed by the two cover plates 23, the motor 3 is controlled to operate, the stirring shaft 4, the plurality of stirring blades 6 and the two scraping rods 5 are driven by the motor 3 to rotate, the raw materials adhered on the inner wall of the mixing box are scraped by the two U-shaped scraping rods 5 when stirring and mixing the raw materials, after full stirring and mixing, the electromagnetic discharge valve 9 and the control valve 21 are controlled to be opened, the mixed raw materials are discharged onto the V-shaped sieve plate 19, small particle raw materials fall onto the inner wall of the bottom of the mixing box 1 through a V-shaped sieve plate 19, then are discharged out of the mixing box 1 through a second discharge pipe 20 to be collected, large particle raw materials solidified into blocks roll down to the middle along the V-shaped sieve plate 19, when the motor 3 rotates, the rotation of the motor 3 is transmitted to the transmission shaft 11 through the transmission action of the first chain wheel 12, the second chain wheel 13 and the chain 14, the rotation of the transmission shaft 11 is transmitted to the rotating shaft 16 through the meshing rotation of the driving bevel gear 15 and the driven bevel gear 17, the roller 18 is driven to rotate, the large particle raw materials are crushed and ground through the rolling contact of the roller 18 and the V-shaped sieve plate 19, the crushed and ground small particle raw materials also fall onto the inner wall of the bottom of the mixing box 1 below through the V-shaped sieve plate 19, and the crushed and ground small particle raw materials are discharged out of the mixing box 1 through the second discharge pipe 20 to be collected.

The above description is merely an embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present utility model, and it is intended to cover the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a powder coating production and processing is with raw materials premixing device which characterized in that: the stirring device comprises a mixing box (1), a stirring mechanism and a crushing mechanism, wherein a baffle plate (7) is fixedly arranged in the mixing box (1), and the baffle plate (7) is in a conical structure;

the stirring mechanism comprises a mounting frame (2), a motor (3), a stirring shaft (4), two U-shaped scraping rods (5) and a plurality of stirring blades (6), wherein the mounting frame (2) is fixedly installed at the top of the mixing box (1), the motor (3) is fixedly installed in the mounting frame (2), the top end of the stirring shaft (4) rotates to penetrate through the top of the mixing box (1), the output shaft end of the motor (3) is fixedly connected with the top end of the stirring shaft (4), the two U-shaped scraping rods (5) are fixedly installed on the stirring shaft (4) and are symmetrically distributed, the two U-shaped scraping rods (5) are in sliding contact with the inner wall of the mixing box (1), the stirring blades (6) are fixedly installed on the stirring shaft (4) and are symmetrically distributed in an equidistant mode, and the crushing mechanism is arranged on the mixing box (1);

the crushing mechanism is used for crushing large-particle raw materials which are fixedly combined into blocks, the crushing mechanism comprises two positioning blocks (10), a transmission shaft (11), a first chain wheel (12), a second chain wheel (13), a chain (14), a driving bevel gear (15), a rotating shaft (16), a driven bevel gear (17), a roller wheel (18) and a V-shaped sieve plate (19), the two positioning blocks (10) are fixedly arranged on the outer wall of the rear side of the mixing box (1), the transmission shaft (11) is rotatably arranged on the two positioning blocks (10), the first chain wheel (12) is fixedly sleeved at the output shaft end of the motor (3), the second chain wheel (13) is fixedly sleeved at the top end of the transmission shaft (11), the chain (14) is wound on the first chain wheel (12) and the second chain wheel (13), the driving bevel gear (15) is fixedly sleeved at the bottom end of the transmission shaft (11), the rotating shaft (16) is rotatably arranged in the mixing box (1), the rear end of the rotating shaft (16) extends to the outer end of the driving bevel gear (17) and is fixedly meshed with the driven bevel gear (17), the roller (18) is fixedly sleeved on the rotating shaft (16) and positioned in the mixing box (1), the V-shaped screen plate (19) is fixedly installed in the mixing box (1) and positioned below the roller (18), and the roller (18) is in rolling contact with the V-shaped screen plate (19).

2. The raw material premixing device for powder coating production and processing according to claim 1, wherein: the bottom of the partition plate (7) is fixedly provided with a first discharge pipe (8), and an electromagnetic discharge valve (9) is fixedly arranged on the first discharge pipe (8).

3. The raw material premixing device for powder coating production and processing according to claim 1, wherein: the inner wall of the bottom of the mixing box (1) is in a conical structure, a second discharging pipe (20) is fixedly arranged at the bottom of the mixing box (1), and a control valve (21) is fixedly arranged on the second discharging pipe (20).

4. A powder coating production process raw material premixing device as claimed in claim 3, characterized in that: the top fixed mounting of mixing box (1) has two feeder hopper (22), two feeder hopper (22) are located respectively the left and right sides of mounting bracket (2), two the bottom of feeder hopper (22) all extends to in mixing box (1), two the top of feeder hopper (22) is through hinge all rotation install apron (23).

5. The raw material premixing device for powder coating production and processing according to claim 4, wherein: an access opening is formed in the front side of the mixing box (1), an access door is rotatably installed on the access opening through a hinge, and an observation window is formed in the access door.