Raw material crusher for polyurethane waterproof coating

Abstract

The utility model discloses a raw material crusher for a polyurethane waterproof coating, and relates to the technical field related to waterproof coatings. The device comprises a support, a crushing cylinder, a sealing plate, a grinding cylinder and a guide pipe, the crushing cylinder is arranged above the support, the grinding cylinder is fixed above the support, an output shaft of a crushing motor penetrates through an inverted U-shaped frame and is fixedly provided with a rotating shaft, the lower part of the rotating shaft extends into the crushing cylinder, a crushing cutter wheel is fixed on the peripheral surface of the rotating shaft, and the sealing plate is arranged in the crushing cylinder above the crushing cutter wheel; a grinding head is arranged in an inner cavity of the grinding cylinder, and an output shaft of the grinding motor penetrates through the supporting plate downwards and is fixed to the upper end of the grinding head. By arranging the crushing cylinder, the crushing motor, the sealing plate, the grinding cylinder, the grinding head and the grinding motor, the problems that a crushing container is large, materials are easy to splash, the crushing efficiency is low and the consumed time is long are solved; and the problems that the shearing type crushing effect is not thorough enough and the crushing granularity is insufficient are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field related to waterproof coatings, in particular to a raw material crusher for polyurethane waterproof coatings. Background Art

[0002] Polyurethane waterproof coating is a single-component polyurethane waterproof coating made of isocyanate-containing prepolymers formed by addition polymerization of isocyanate, polyether, etc., with catalysts, anhydrous additives, anhydrous fillers, solvents, etc., and processed by mixing and other processes. It solidifies after contact with moisture in the air, forming a solid, tough, seamless, integral waterproof film on the surface of the base layer. The raw materials of waterproof coatings contain some solids, and in order to ensure the smoothness of the coating after spraying, the solids contained need to be thoroughly crushed. According to the size of the crushed or crushed materials, the crusher can be divided into coarse crusher, crusher, and ultra-fine crusher. However, there are still the following disadvantages in the specific crushing process:

[0003] 1. When crushing solid raw materials, high-speed rotary shearing is mostly used, such as a crushing knife. However, in conventional crushing operations, the crushing knife is inserted into the container to crush the solids contained therein. However, the container is usually large and does not contain too many solid raw materials. This will cause a large amount of solids to splash in the container during the crushing process, which can easily increase the crushing time, reduce the crushing efficiency, and fail to concentrate the materials to be crushed;

[0004] 2. There are four types of external forces applied to solids during the crushing process: shearing, impacting, crushing and grinding. In order to ensure that the solids have sufficient fineness, the crushing process is generally more thorough. Shearing crushing alone is not enough and requires a more thorough crushing particle size, so a deeper level of crushing treatment is required. Utility Model Content

[0005] The utility model aims to provide a raw material crusher for polyurethane waterproof coatings. By arranging a crushing cylinder, a crushing motor, a sealing plate, a grinding cylinder, a grinding head and a grinding motor, the utility model solves the problems of large crushing container, easy splashing of materials, low crushing efficiency and long time consumption; and the problem that the shearing crushing effect is not thorough enough and the crushing particle size is insufficient.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a raw material crusher for polyurethane waterproof coating, comprising a support, a crushing cylinder, a sealing plate, a grinding cylinder and a conduit, wherein a crushing cylinder is arranged above the support and a grinding cylinder is fixed thereto, an inverted U-shaped frame is fixed to the outer periphery of the crushing cylinder, and a crushing motor is fixed to the center of the upper end of the inverted U-shaped frame, the output shaft of the crushing motor penetrates the inverted U-shaped frame and is fixed with a rotating shaft, the lower part of the rotating shaft extends into the crushing cylinder and a crushing blade wheel is fixed on the outer peripheral surface thereof, and a sealing plate is arranged in the crushing cylinder located above the crushing blade wheel;

[0008] A grinding head is arranged in the inner cavity of the grinding cylinder, and a support plate is fixed to the upper end of the grinding cylinder, a grinding motor is fixed to the center of the upper end of the support plate, and the output shaft of the grinding motor passes through the support plate downward and is fixed to the upper end of the grinding head.

[0009] Furthermore, legs are fixed at the four corners of the bottom of the support, a bracket is also fixed to the outer periphery of the grinding cylinder located below the inverted U-shaped frame, and the bottom of the bracket is fixed to the upper end of the support.

[0010] Furthermore, the crushing cylinder is higher than the grinding cylinder, a conduit is fixed through the bottom of the crushing cylinder, and the end of the conduit away from the crushing cylinder is connected to the side wall of the grinding cylinder and faces the upper part of the grinding head, and a control valve is fixed on the end of the conduit close to the crushing cylinder.

[0011] Furthermore, two screw rods are threadedly connected in the inverted U-shaped frame, and the two screw rods are symmetrically distributed outside the crushing motor. The bottoms of the two screw rods are rotatably connected to the upper end of the sealing plate, and a hand wheel is fixed to the upper end of the screw rod.

[0012] Furthermore, the outer circumference of the sealing plate is provided with limiting grooves distributed in a ring array, the inner wall of the pulverizing cylinder is fixed with limiting rods distributed in a ring array, and the sealing plate is clamped outside the limiting rods through the limiting grooves.

[0013] Furthermore, a through hole is opened at the center of the sealing plate, and the rotating shaft passes through the through hole.

[0014] Furthermore, the upper part of the grinding head is a truncated cone-shaped structure, the lower part of the grinding head is a hemispherical structure, and the lower part of the grinding head and the inner wall of the grinding cylinder are both grinding surfaces.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model solves the problems of large crushing container, easy splashing of materials, low crushing efficiency and long time consumption by arranging a crushing cylinder, a crushing motor and a sealing plate; during the crushing process, a certain amount of solid raw materials are put into the crushing cylinder, and then the screw is rotated to lower the sealing plate until there is a gap slightly larger than the material capacity between the sealing plate and the bottom of the crushing cylinder, thereby reducing the space used for crushing as much as possible. In this way, when the crushing motor drives the rotating shaft and the crushing cutter wheel to rotate, the splashing of materials will be reduced as much as possible. At this time, the splashed materials will be quickly contacted and crushed by the crushing cutter wheel again, thereby reducing the crushing time, increasing the crushing efficiency, and quickly obtaining the crushed product.

[0017] 2. The utility model solves the problems of insufficient shearing type crushing effect and insufficient crushing particle size by arranging a crushing cylinder, a grinding cylinder, a grinding head and a grinding motor; if the particle size of the material after crushing in the crushing cylinder is insufficient, it is guided into the grinding cylinder through a conduit, and the grinding motor is used to drive the grinding head to rotate for more refined grinding and crushing treatment to make the solid particle size finer. The two cooperate in the crushing treatment, so that the obtained crushed product meets the required requirements, the crushing is more thorough, and the particle size is finer. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments are briefly introduced below.

[0019] Figure 1 A three-dimensional diagram of a raw material crusher for a polyurethane waterproof coating;

[0020] Figure 2 A bottom view of a raw material crusher for a polyurethane waterproof coating;

[0021] Figure 3 It is a cross-sectional view of a pulverizing cylinder;

[0022] Figure 4 A cross-sectional view of the grinding cylinder.

[0023] Reference numerals:

[0024] 1. Support; 101. Support leg; 2. Crushing cylinder; 201. Bracket; 202. Inverted U-shaped frame; 203. Crushing motor; 204. Rotating shaft; 205. Crushing blade wheel; 206. Limit rod; 3. Closing plate; 301. Screw; 3011. Hand wheel; 302. Limit groove; 303. Through hole; 4. Grinding cylinder; 401. Support plate; 402. Grinding motor; 403. Grinding head; 5. Conduit; 501. Control valve. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0026] See also Figure 1-4 As shown, the utility model is a raw material crusher for polyurethane waterproof coating, comprising a support 1, a crushing cylinder 2, a sealing plate 3, a grinding cylinder 4 and a conduit 5. A crushing cylinder 2 is arranged above the support 1 and a grinding cylinder 4 is fixed thereto. An inverted U-shaped frame 202 is fixed to the outer periphery of the crushing cylinder 2, and a crushing motor 203 is fixed at the center of the upper end of the inverted U-shaped frame 202. The output shaft of the crushing motor 203 penetrates the inverted U-shaped frame 202 and is fixed with a rotating shaft 204. The lower part of the rotating shaft 204 extends into the crushing cylinder 2 and a crushing blade wheel 205 is fixed on its outer peripheral surface. A sealing plate 3 is arranged in the crushing cylinder 2 above the crushing blade wheel 205.

[0027] The crushing cylinder 2 is used for preliminary shearing type crushing treatment. The crushing motor 203 is installed on the inverted U-shaped frame 202. The crushing motor 203 drives the rotating shaft 204 to rotate, thereby driving the crushing blade wheel 205 to rotate, and the solid raw materials in the crushing cylinder 2 are crushed by shearing type.

[0028] The sealing plate 3 is disposed above the crushing blade wheel 205 to reduce the crushing space above the solid raw material and the splashing space of the material during crushing, so that the material can contact the crushing blade wheel 205 again more quickly and be crushed quickly;

[0029] A grinding head 403 is arranged in the inner cavity of the grinding cylinder 4, and a support plate 401 is fixed to the upper end of the grinding cylinder 4, a grinding motor 402 is fixed to the center of the upper end of the support plate 401, and the output shaft of the grinding motor 402 passes through the support plate 401 downward and is fixed to the upper end of the grinding head 403;

[0030] The grinding cylinder 4 is used for secondary grinding and crushing processing. The grinding motor 402 is fixed on the support plate 401, and the grinding motor 402 drives the grinding head 403 to rotate. The rotation of the grinding head 403 will grind and crush the material between the outside of the grinding head 403 and the inner wall of the grinding cylinder 4 to form a smaller particle size to meet the usage requirements.

[0031] The four corners of the bottom of the support 1 are all fixed with legs 101, and the outer periphery of the grinding cylinder 2 located below the inverted U-shaped frame 202 is also fixed with a bracket 201, and the bottom of the bracket 201 is fixed to the upper end of the support 1;

[0032] The support 1 is used as a supporting carrier and is supported on the ground together with the support legs 101, while the crushing barrel 2 is fixed to the upper end of the support 1 through the bracket 201 so that it has a certain height.

[0033] The crushing cylinder 2 is higher than the grinding cylinder 4. A conduit 5 is fixed through the bottom of the crushing cylinder 2. One end of the conduit 5 away from the crushing cylinder 2 is connected to the side wall of the grinding cylinder 4 and faces the upper part of the grinding head 403. A control valve 501 is fixed on one end of the conduit 5 close to the crushing cylinder 2.

[0034] The particle size of the raw materials after shearing and crushing in the crushing cylinder 2 may still be insufficient for use, but it is large enough to enter the gap between the outside of the grinding head 403 and the inner wall of the grinding cylinder 4. At this time, the control valve 501 is opened, and the material in the crushing cylinder 2 is poured into the grinding cylinder 4 through the conduit 5. Since the upper part of the grinding head 403 is an inclined surface, the introduced material will slide down along the inclined surface to the gap between the outside of the grinding head 403 and the inner wall of the grinding cylinder 4 for grinding processing, and quickly grind into smaller particle size.

[0035] Two screw rods 301 are also threadedly connected in the inverted U-shaped frame 202. The two screw rods 301 are symmetrically distributed outside the grinding motor 203. The bottoms of the two screw rods 301 are rotatably connected to the upper end of the sealing plate 3. A hand wheel 3011 is fixed to the upper end of the screw rod 301.

[0036] The screw 301 is rotated by the hand wheel 3011 to control the height of the screw 301, thereby changing the height position of the sealing plate 3, and then changing the distance between the sealing plate 3 and the bottom of the pulverizing tube 2, and changing the size of the pulverizing space according to the actual pulverizing amount.

[0037] The outer circumference of the sealing plate 3 is provided with limiting grooves 302 distributed in a circular array, and the inner wall of the grinding cylinder 2 is fixed with limiting rods 206 distributed in a circular array, and the sealing plate 3 is clamped outside the limiting rods 206 through the limiting grooves 302;

[0038] By clamping the limiting groove 302 outside the sealing plate 3 outside the limiting rod 206, the horizontal stability of the sealing plate 3 is further maintained, and the sealing plate 3 is moved downward better.

[0039] A through hole 303 is formed at the center of the sealing plate 3 , and the rotating shaft 204 passes through the through hole 303 .

[0040] The upper part of the grinding head 403 is a truncated cone structure, the lower part of the grinding head 403 is a hemispherical structure, and the lower part of the grinding head 403 and the inner wall of the grinding tube 4 are both grinding surfaces; the hemispherical surface of the lower part of the grinding head 403 is the grinding surface, and the truncated cone structure of the upper part can ensure that the incoming material can slide down along the outer side surface of the truncated cone and enter between the outside of the grinding head 403 and the inner wall of the grinding tube 4 for grinding and use.

[0041] The specific working principle of the utility model is as follows: first, a certain amount of solid raw materials are put into the crushing barrel 2, and the screw 301 is rotated by the hand wheel 3011 to control the height of the screw 301, thereby changing the height position of the sealing plate 3, and then changing the distance between the sealing plate 3 and the bottom of the crushing barrel 2, until there is a gap slightly larger than the material capacity between the sealing plate 3 and the bottom of the crushing barrel 2, thereby reducing the space used for crushing as much as possible, and then the crushing motor 203 works to drive the rotating shaft 204 to rotate, thereby driving the crushing blade wheel 205 to rotate, and the solid raw materials in the crushing barrel 2 are shear-crushed. In this process, the sealing plate 3 is covered above the crushing blade wheel 205 to reduce the splashing space of the material during crushing, so that the material can contact the crushing blade wheel 205 again more quickly and be crushed quickly;

[0042] The particle size of the raw materials after shearing and crushing in the crushing cylinder 2 may still be insufficient to meet the use requirements, but it is sufficient to enter the gap between the outside of the grinding head 403 and the inner wall of the grinding cylinder 4. At this time, the control valve 501 is opened, and the material in the crushing cylinder 2 is poured into the grinding cylinder 4 through the conduit 5. The truncated cone structure on the upper part of the grinding head 403 can ensure that the entering material can slide down along the outer side of the truncated cone and enter the space between the outside of the grinding head 403 and the inner wall of the grinding cylinder 4 for grinding and use. The grinding motor 402 drives the grinding head 403 to rotate. The rotation of the grinding head 403 will grind and crush the material between the outside of the grinding head 403 and the inner wall of the grinding cylinder 4 to form a smaller particle size to meet the use requirements. In this way, the double crushing process is completed.

[0043] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. A raw material crusher for polyurethane waterproof coating, comprising a support (1), a crushing cylinder (2), a sealing plate (3), a grinding cylinder (4) and a conduit (5), Features: A crushing cylinder (2) is arranged above the support (1) and a grinding cylinder (4) is fixed thereto; an inverted U-shaped frame (202) is fixed to the outer periphery of the crushing cylinder (2); a crushing motor (203) is fixed at the center of the upper end of the inverted U-shaped frame (202); an output shaft of the crushing motor (203) passes through the inverted U-shaped frame (202) and is fixed with a rotating shaft (204); the lower part of the rotating shaft (204) extends into the crushing cylinder (2) and a crushing blade wheel (205) is fixed on its outer periphery; a sealing plate (3) is arranged in the crushing cylinder (2) above the crushing blade wheel (205); A grinding head (403) is arranged in the inner cavity of the grinding cylinder (4), and a support plate (401) is fixed to the upper end of the grinding cylinder (4), a grinding motor (402) is fixed at the center of the upper end of the support plate (401), and an output shaft of the grinding motor (402) passes through the support plate (401) downward and is fixed to the upper end of the grinding head (403).

2. A raw material crusher for polyurethane waterproof coating according to claim 1, Features: Support legs (101) are fixed at the four corners of the bottom of the support (1), and a bracket (201) is also fixed to the outer periphery of the grinding cylinder (2) located below the inverted U-shaped frame (202), and the bottom of the bracket (201) is fixed to the upper end of the support (1).

3. A raw material crusher for polyurethane waterproof coating according to claim 1, Features: The crushing cylinder (2) is higher than the grinding cylinder (4); a conduit (5) is fixedly passed through the bottom of the crushing cylinder (2); and one end of the conduit (5) away from the crushing cylinder (2) passes through the side wall of the grinding cylinder (4) and faces the upper part of the grinding head (403); and a control valve (501) is fixedly passed through the end of the conduit (5) close to the crushing cylinder (2).

4. A raw material crusher for polyurethane waterproof coating according to claim 1, Features: Two screw rods (301) are also threadedly connected through the inverted U-shaped frame (202). The two screw rods (301) are symmetrically distributed outside the grinding motor (203). The bottoms of the two screw rods (301) are rotatably connected to the upper end of the sealing plate (3), and a hand wheel (3011) is fixed to the upper end of the screw rod (301).

5. A raw material crusher for polyurethane waterproof coating according to claim 1, Features: The outer circumference of the sealing plate (3) is provided with limiting grooves (302) distributed in a ring array, the inner wall of the pulverizing cylinder (2) is fixed with limiting rods (206) distributed in a ring array, and the sealing plate (3) is clamped outside the limiting rods (206) through the limiting grooves (302).

6. A raw material crusher for polyurethane waterproof coating according to claim 1, Features: A through hole (303) is provided at the center of the sealing plate (3), and the rotating shaft (204) passes through the through hole (303).

7. A raw material crusher for polyurethane waterproof coating according to claim 1, Features: The upper part of the grinding head (403) is a truncated cone-shaped structure, the lower part of the grinding head (403) is a hemispherical structure, and the lower part of the grinding head (403) and the inner wall of the grinding cylinder (4) are both grinding surfaces.

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