CN114887702B - Roller mill is used in environmental protection terrace coating production - Google Patents

Abstract

The invention belongs to the technical field of paint, in particular to a roller mill for producing environment-friendly floor paint, which comprises a box body, a feed hopper, a grinding roller and a power component; according to the invention, the rotating speeds of the rollers in the grinding rollers are driven to decrease in sequence by the power component, so that pigment and filler in the liquid are ground and dispersed under the action of shearing force formed between the rollers, and the two groups of grinding rollers accelerate the dispersion of the pigment and filler in the liquid in the box body.

Description

A roller mill for the production of environmentally friendly floor coatings

technical field

The invention belongs to the technical field of coatings, in particular to a roller mill for the production of environmentally friendly floor coatings.

Background technique

Paint is coated on the surface of the object to be protected or decorated, and can form a continuous film firmly attached to the object to be coated, usually based on resin, or oil, or emulsion, with or without adding pigments, fillers, and adding corresponding Additives, viscous liquids prepared with organic solvents or water.

In the process of coating production, the preparation of color paste (pigment paste) is a key process. The preparation of color paste usually requires the use of grinding and dispersing equipment, such as high-speed dispersers, ball mills, sand mills and roller mills, and roller mills Generally, the three-roller mill is the most common machine. The speed of each roller of the roller mill increases or decreases in turn, and the shearing action between the rollers of different speeds is used to grind and disperse, so that the pigments and fillers are dispersed under the shear force of the rollers. Under the action of the resin, it is dispersed into a stable dispersion in the resin solution or water. The rollers of the existing roller mill grind and disperse the pigments and fillers in the liquid unevenly, which will affect the quality and production efficiency of the color paste, and then affect the paint. quality and production efficiency.

Contents of the invention

In order to make up for the deficiencies in the prior art, the invention proposes a roller mill for the production of environmentally friendly floor coatings. The invention is mainly used to solve the problem that the existing roller mill affects the quality and production efficiency due to uneven grinding and dispersion of the pigment and filler in the liquid by the cylinder, and further affects the quality and production efficiency of the paint.

The technical scheme adopted by the present invention to solve the technical problems is: the present invention provides a roller mill for the production of environmentally friendly floor coatings, including a box body, a feeding hopper, grinding rollers and power components; the box top of the box body There is a feeding port on the top; the feeding hopper is fixedly connected to the feeding hopper; the feeding hopper communicates with the box through the feeding port; the side wall of the box is close to the bottom of the box A discharge port is provided; two groups of grinding rollers are arranged in the box; the rotation directions of the two groups of grinding rollers are opposite; each group of grinding rollers contains at least three rollers; each group of grinding rollers The rollers are evenly spaced on the same plane; the rotating shafts of the rollers are rotatably connected to the side walls of the box; the power components are arranged at positions corresponding to the grinding rollers on the side walls of the box; The power part is used to drive all the rollers in the grinding rollers to decrease in speed successively; grinding protrusions are evenly spaced on the outer cylindrical surface of the rollers.

When working, it is necessary to prepare the key process color paste in the process of coating production and preparation. The preparation of color paste is to add pigments, fillers and necessary coating additives into the resin solution or water, first mix, and then grind the powder in the grinding equipment. Under the action, the pigment and coating are uniformly and stably dispersed in resin solution or water to make a color paste; when preparing the color paste, first add the pigment, filler and necessary paint additives to the resin solution or water for mixing, and then mix the The good mixed liquid is poured into the box through the feeding hopper, and then the power part drives the grinding roller to rotate, because the rotation speed of the rollers in the grinding roller decreases successively during the process of the power part driving the grinding roller, so that a speed difference is formed between the rollers , so that the shearing action is formed between different rollers, and the pigments and fillers in the mixed liquid are ground and dispersed under the action of the shearing force formed between the rollers, because two sets of Grinding rollers speed up the dispersion of pigments and fillers in the liquid in the box, so that the pigments and fillers are uniformly and stably dispersed in the resin solution or water to form a stable dispersion, and because the two sets of grinding rollers rotate in opposite directions at the same time It is also opposite to the low-speed end, which makes the rotation of the rollers in the upper and lower groups of grinding rollers reverse and the speed is also different, which further increases the dispersion of pigments and fillers in the liquid in the box. At the same time, the grinding rollers in the opposite direction of rotation make the grinding rollers The liquid in the channel formed between them moves in the same direction, and then forms a circulation with the channel formed between the grinding roller and the inner wall of the box to accelerate the flow of the inward liquid, further increasing the uniform and stable dispersion of pigments and fillers in the resin. The rate at which a stable dispersion is formed in solution or water, thereby improving the quality and production efficiency of the color paste, thereby improving the quality and production efficiency of the coating.

Preferably, the power components include a No. 1 bevel gear, a No. 2 bevel gear, a transmission shaft, a No. 1 gear, a No. 2 gear, a worm, a worm wheel, a support seat and a No. 1 motor; One end of the rollers is fixedly connected to the No. 1 bevel gear and the worm wheel respectively; one end of the remaining rollers is fixedly connected to the No. 1 bevel gear and the worm wheel; The support seat is provided between the two rollers and the outermost roller of the grinding roller connected to the worm wheel; the support seat is fixedly connected to the side wall of the box; The support seat between the rollers is connected to the middle of the transmission shaft in rotation; the two ends of the transmission shaft are respectively fixedly connected to the No. 2 bevel gear and the No. 1 gear; the No. 2 bevel gear Mesh transmission with the No. 1 bevel gear, all worms are arranged between the support bases; the worms are rotatably connected to the support bases; the No. 2 gear is fixedly connected to the worm; the No. 1 gear Mesh transmission with the No. 2 gear; Mesh transmission with the worm gear between the worm and the support seat; The rotating shaft of the No. 1 motor is fixedly connected to the roller connected to the No. 1 bevel gear on the outermost side on the rotating shaft of the cylinder; the mounting seat of the No. 1 motor is fixedly connected to the side wall of the box.

When working, when the mixed liquid is poured into the box, the No. 1 motor is controlled to rotate, and then the No. 1 motor drives the outermost roller connected to the No. 1 bevel gear to rotate, and then the roller drives the No. 1 bevel gear to rotate. , because the No. 1 bevel gear meshes with the No. 2 bevel gear, and then drives the No. 1 gear to rotate through the transmission shaft, and because the No. 1 gear meshes with the No. 2 gear, and then drives the worm to rotate. The worm gear rotates, and then the worm gear drives the roller adjacent to the outermost side to rotate and the No. 1 bevel gear on the roller shaft to rotate, and then drives the next one through the No. 2 bevel gear, No. 1 gear, No. 2 gear, worm and worm gear. The roller and the No. 1 bevel gear rotate, and they are transmitted sequentially until the worm drives the worm gear on the outermost roller to rotate, and then drives the outermost roller to rotate. Since the worm gear and the worm can have a large transmission ratio, the adjacent There is a speed difference between the rollers, and then through the worm gear and the worm, the speed of all the rollers in the grinding rollers is gradually reduced, so that a shearing action is formed between the adjacent rollers, and at the same time, the rollers in the two groups of grinding rollers There is also a shearing effect between them.

Preferably, stirring cams are evenly spaced on the inner wall of the box; the axis of the stirring cam is parallel to the axis of the roller; both ends of the stirring cam are rotatably connected to the side wall of the box; One end of the stirring cam is provided with a pulley; the pulley is fixedly connected to the rotating shaft of the stirring cam; the rotation directions of two adjacent stirring cams are opposite; Driven by a synchronous belt; one of the outermost stirring cams is connected to the No. 2 motor for transmission through the synchronous belt and the pulley; the mounting seat of the No. 2 motor is fixedly connected to the box body.

When working, due to the certain viscosity of the color paste, the fluidity of the color paste close to and in contact with the inner wall of the box becomes poor, which in turn causes the pigment, filler and necessary coating additives to be dispersed in the resin solution or water. uniformity, which in turn affects the uniformity of the color paste, thereby affecting the quality of the paint; therefore, by setting stirring cams evenly spaced on the inner wall of the box, the No. 1 motor drives the grinding roller to rotate, and the No. 2 motor drives the stirring through the timing belt and pulley The cam rotates, and when the rotating stirring cams are close to each other, the liquid close to the side wall of the box is squeezed out by the stirring cam from the gap, and then the rotating stirring cam drives the flow rate of the liquid near the side wall of the box to increase, thereby speeding up the flow rate in the box. The mixing between liquids makes the pigments and fillers dispersed in the resin solution or water more uniform and stable after grinding and dispersion, so that the raw materials of the color paste are mixed more uniformly, thereby increasing the quality of the color paste and thus improving the quality of the coating , and because the rotation directions between adjacent stirring cams are opposite, a shearing action is also formed between the stirring cams, which further shears and disperses the pigment and filler in the liquid near the side wall of the box, thereby making the pigment in the liquid It is more crushed and dispersed with fillers, thereby improving the quality of color paste, and at the same time speeding up the dispersion of pigments and fillers into a stable dispersion in resin solution or aqueous solution under the action of shear force, thereby reducing the need for grinding and dispersing. Time, improve the production efficiency of color paste.

Preferably, a barrier is provided on the inner wall of the box corresponding to the position of the stirring cam; one side of the barrier is connected to the inner wall of the box; the other side of the barrier is always Maintain contact with the stirring cam surface.

When working, a barrier is provided at the position corresponding to the cam on the inner wall of the box, and one side of the barrier is connected to the inner wall of the box, and the other side is always in contact with the surface of the stirring cam, so that the adjacent The cavity formed between the two stirring cams and the side wall of the box only leaves an open space between the two stirring cams. When the No. 2 motor drives the stirring cam to rotate through the synchronous belt and pulley, when the two When the stirring cam is farthest away from the rotation center and rotates from the farthest to the nearest side wall of the box body (as shown at a in Figure 7), the formed between the two stirring cams, the side wall of the box body and the baffle plate The volume of the cavity gradually decreases. Since the formed cavity has only one open space, the pressure in the cavity increases. The mixing of fillers and necessary coating additives with resin solution and water makes the mixing more uniform, and at the same time the pressure in the cavity increases, which in turn increases the flow rate of the liquid in the cavity from the opening gap, making the cavity in the cavity The liquid is sprayed outward, and then the liquid farther away from the grinding roller is brought to the roller, thereby speeding up the grinding, dispersion and mixing of the pigment and filler in the liquid. At the same time, the rotating stirring cam can stir the liquid near the side wall, thereby accelerating the pigment, The mixing of fillers and necessary coating additives with resin solution and water improves the uniformity of pigments, fillers and necessary coating additives in the resin solution and water in the color paste, thereby improving the quality of the color paste and improving the quality of the color paste. The quality of the paint; at the same time, when the two stirring cams are farthest from the center of rotation from the nearest to the farthest from the side wall of the box (as shown at b in Figure 7), the two stirring cams, the side wall of the box The volume of the cavity formed between the baffle plate and the baffle gradually increases, thereby reducing the pressure in the cavity, and the liquid outside the cavity will enter the cavity from the open space, thereby accelerating the removal of pigments, fillers and necessary coating additives. Mixing with resin solution and water, which in turn improves the quality of the color paste, which in turn improves the quality of the paint.

Preferably, the barrier is an elastic film; one side of the elastic film is fixedly connected to the inner wall of the box.

When working, by setting the barrier as an elastic film, one side of the elastic film is fixedly connected to the inner wall of the box, and then during the rotation of the stirring cam, as the distance from the surface of the stirring cam to the center of rotation increases from small to large, During the process, the elastic film is gradually squeezed and deformed. When the distance between the surface of the stirring cam and the center of rotation changes from large to small, the elastic force of the elastic film itself gradually returns to the state before the deformation, thereby ensuring that the elastic film is always attached to the stirring surface. The surface of the cam ensures the reliability of sealing the gap between the stirring cam and the inner wall of the box. The elastic film is simple in structure, easy to manufacture and install, and reduces the manufacturing cost of the roller mill; the elastic film can be used as a strip Shaped structure (as shown in c in Fig. 4), also can be provided with arc-shaped protrusion toward one side of stirring cam in the middle, on the surface of arc-shaped protrusion conflicting with stirring cam, one side of arc-shaped protrusion is fixedly connected on the inner wall of the box, The other side is against the side wall of the box (as shown in d in Figure 7).

Preferably, a group of stirring fans are arranged on the inner wall of the box parallel to the grinding rollers; the stirring fans are located between the two groups of grinding rollers; on the inner wall.

During work, since the rotation directions of the two groups of grinding rollers are opposite, the liquid between the two groups of grinding rollers flows in one direction (as shown at e in Figure 3 and Figure 6), by rotating the stirring fan connected to the liquid flow The direction is opposite to the inner wall, and the stirring fan drives the stirring fan to rotate under the action of the liquid. The rotating stirring fan prevents the liquid in contact with the fan blade from flowing in different directions, thereby increasing the degree of turbulence of the liquid in the box, and making The shear dispersed pigments, fillers and necessary coating additives are fully dispersed in the resin solution or water, and the rotating stirring fan stirs the solution at the same time to make the mixing more uniform, thereby improving the quality and production efficiency of the color paste. In turn, the quality and production efficiency of the coating are improved.

Preferably, a hopper cover is hinged on the feed hopper; a movable support plate is arranged inside the hopper; a chute is arranged on the two side walls of the movable support plate parallel to the axis of the roller; the chute A sliding plate is arranged inside; the sliding plate is slidably connected in the chute; a spring is arranged in the chute between the bottom of the chute and the side wall of the sliding plate; one end of the spring is fixedly connected to the The bottom of the chute; the other end of the spring is fixedly connected to the slide plate; the slide plate is provided with a scraper part on one side of the feed hopper; the scraper part is connected to the side wall of the feed hopper contact; the middle part of the upper surface of the moving support plate is provided with a screw; one end of the screw is rotatably connected to the moving support plate; the other end of the screw passes through the hopper cover; the screw and the hopper cover There is a threaded connection between them; a blocking plug is provided at the discharge port; one end of the blocking plug located in the box is flush with the inner wall of the box.

When working, because the box body and the feeding hopper are connected, the liquid in the box will flow into the feeding hopper through the feeding port when the grinding roller rotates rapidly to drive the liquid in the box, so that part of the liquid In the feed hopper, the mixing with the liquid in the tank is reduced, resulting in the deterioration of the quality of the color paste. At the same time, if the discharge port is only blocked outside the discharge port, part of the liquid will be in the discharge when the mixed liquid is poured. In the pipeline at the mouth, the liquid in the pipeline seldom follows the liquid in the tank, which makes its dispersion stability poor, and when it is opened and used, it will be mixed into the uniformly dispersed liquid to cause unevenness; therefore, after pouring the mixed liquid First, open the hopper cover first, then pour the mixed liquid into the box, then close the hopper cover, and manually rotate the handle on the screw to make the screw rotate, because the threaded connection between the screw and the hopper cover makes the mobile support The plate moves to the feed port, and then drives the slide plate to move. Since the size of the hopper near the feed port becomes smaller, the side wall of the feed hopper pushes the slide plate to move to the bottom of the chute, so that the spring is compressed, and under the action of the spring force, the slide plate moves to the bottom of the chute. The scraping part on the slide plate is tightly against the inner wall of the feeding hopper, and then all the liquid adhering to the side wall of the feeding hopper is scraped and flowed into the box through the scraping part, thereby reducing the waste of resources and ensuring the feeding The cleanliness in the hopper, when the bottom surface of the moving support plate is flush with the inner wall of the box, turn the screw at the same time (marks can be set on the screw), thereby realizing the blocking of the feeding port, ensuring that the liquid will not enter the feeding hopper and affect the mixing At the same time, the pipe is filled slowly through the plugging plug, and the plugging plug is located at one end of the box and is flush with the inner wall of the box, so as to prevent the liquid from entering the pipe, and then prevent it from being mixed into the uniformly dispersed liquid when it is opened and used. Evenly affects the quality of the paint, and at the same time avoids the blockage of the material plug to block the flow of the liquid; through the anti-blocking of the inlet and outlet, it ensures the grinding, dispersion and mixing of the liquid in the box without dead ends, thereby ensuring the color in the box. The quality of the slurry, thereby improving the quality of the coating.

Preferably, the scraping part includes an elastic shovel plate and a sponge strip; the side wall of the sliding plate located on one side of the inner wall of the hopper is fixedly connected to the sponge strip; On the side wall of the hopper; the slide plate is fixedly connected to the elastic shovel under one side of the inner wall of the feed hopper; the free end of the elastic shovel is in contact with the side wall of the hopper.

When working, because the liquid has a certain viscosity, it is difficult to flow into the box after it adheres to the inner wall. The elastic shovel plate has elastic deformation ability, so that the elastic shovel plate can well conflict with the inner wall of the feed hopper, thereby improving the scraping effect, and at the same time, the sponge is fixed on the side wall of the slide plate located on the inner wall of the feed hopper Strips, and then use the sponge strips to further clean up the liquid adhered to the inner wall, thereby avoiding liquid residue on the inner wall and ensuring the cleanliness of the inner wall of the feed hopper.

Preferably, the number of the grinding protrusions on the roller in the grinding roller decreases with the decrease of the rotation speed of the roller; the convex height of the grinding protrusions decreases with the As the rotation speed of the roller decreases, the convex height of the grinding protrusions increases accordingly.

When working, due to the speed difference between the rollers, the grinding protrusions on the faster-rotating rollers move a larger distance per unit time. Since the viscosity of the liquid is basically the same and the diameter of the rollers is also the same, the moving distance The larger the resistance, the greater the load on the roller, and the greater the load on the gears and shafts connected to it for transmission. As the speed gradually decreases, the resistance to the small moving distance Reduced, and then the load on the roller is small, which will cause uneven force in the whole transmission system, and cause the roller mill to run unstable. Therefore, reduce the height of the grinding protrusion to reduce the speed of the roller The resistance received makes the force of each roller stable, which in turn makes the power part of the transmission run stably, which in turn improves the stability of the roller mill operation, which in turn facilitates the grinding and dispersion of pigments and fillers, thereby improving the quality of the color paste , thereby improving the quality of the coating; at the same time, the shearing ability formed by the small grinding protrusion height is reduced, and the ability of the roller to grind and disperse is reduced, so that the efficiency of grinding and dispersing is lowered. Therefore, it can be improved by increasing the number of grinding protrusions The shearing ability of the roller can improve the ability of the roller to grind and disperse.

The beneficial effects of the present invention are as follows:

1. In the present invention, when preparing the color paste, first add the pigment, filler and necessary coating additives into the resin solution or water for mixing, then pour the mixed liquid into the box through the feeding hopper, and then power The components drive the grinding rollers to rotate, because the rotation speed of the rollers in the grinding rollers decreases successively during the process of driving the grinding rollers to rotate by the power components, so that a speed difference is formed between the rollers, and then a shearing action is formed between different rollers, and then Under the action of the shear force formed between the rollers, the pigments and fillers in the mixed liquid are ground and dispersed, because two sets of grinding rollers are set in the box, which speeds up the pigment and filler in the liquid in the box Dispersion, so that the pigments and fillers are uniformly and stably dispersed in the resin solution or water to form a stable dispersion, and because the rotation directions of the two sets of grinding rollers are opposite, and the high-speed end and the low-speed end are also opposite, so that the upper and lower sets of grinding rollers The rotation of the rollers is opposite and the speed is also different, which further increases the dispersion of the pigment and filler in the liquid in the tank. At the same time, the grinding rollers in the opposite direction of rotation make the liquid in the channel formed between the grinding rollers move in the same direction, and then The channel formed between the grinding roller and the inner wall of the box forms a circulation and accelerates the flow of the inward liquid, which further increases the rate at which the pigment and filler are uniformly and stably dispersed in the resin solution or water to form a stable dispersion, thereby improving the color. The quality and production efficiency of the pulp, thereby improving the quality and production efficiency of the coating.

2. In the present invention, by controlling the rotation of the No. 1 motor, the No. 1 motor drives the roller connected to the No. 1 bevel gear on the outermost side to rotate, and then the roller drives the No. 1 bevel gear to rotate, because the No. 1 bevel gear and the No. 2 bevel gear Mesh transmission, and then drive the No. 1 gear to rotate through the transmission shaft, and because the No. 1 gear and the No. 2 gear are meshed and driven, and then drive the worm to rotate, because the worm and the worm wheel are meshed and driven, and then drive the worm wheel to rotate, and then the worm wheel drives the outermost adjacent The rotation of the roller and the No. 1 bevel gear on the roller shaft, and then through the No. 2 bevel gear, the No. 1 gear of the transmission shaft, the No. 2 gear, the worm and the worm wheel drive the next roller and the No. 1 bevel gear to rotate, and the transmission is sequential , until the worm drives the worm wheel on the outermost roller to rotate, and then drives the outermost roller to rotate. Since there can be a large transmission ratio between the worm wheel and the worm, there is a speed difference between adjacent rollers, and then through The worm wheel and the worm realize that the speeds of all the rollers in the grinding rollers decrease successively, so that the shearing action is formed between the adjacent rollers, and at the same time, the shearing action is also formed between the rollers in the two groups of grinding rollers.

3. In the present invention, agitating cams are evenly spaced on the inner wall of the box. When the No. 1 motor drives the grinding roller to rotate, the No. 2 motor drives the agitating cam to rotate through the timing belt and pulley. When the rotating agitating cams are close to each other, the The liquid close to the side wall of the box is extruded from the gap by the stirring cam, and then the rotating stirring cam drives the flow rate of the liquid near the side wall of the box to increase, thereby speeding up the mixing of the liquids in the box, and making the ground and dispersed The pigments and fillers are more evenly and stably dispersed in the resin solution or water, which makes the color paste raw materials more uniformly mixed, thereby increasing the quality of the color paste, thereby improving the quality of the coating, and because of the rotation between adjacent stirring cams The direction is opposite, and then the stirring cams also form a shearing action, which further shears and disperses the pigment and filler in the liquid near the side wall of the box, thereby making the pigment and filler in the liquid more pulverized and dispersed, thereby improving the color paste. At the same time, it speeds up the dispersion of pigments and fillers into a stable dispersion in resin solution or aqueous solution under the action of shear force, thereby reducing the time required for grinding and dispersing, and improving the production efficiency of color paste.

4. In the present invention, a barrier is provided at the position corresponding to the cam on the inner wall of the box, and one side of the barrier is connected to the inner wall of the box, and the other side is always in contact with the surface of the stirring cam, so that the relative The cavity formed between the adjacent two stirring cams and the side wall of the box only leaves an open space between the two stirring cams. When the No. 2 motor drives the stirring cam to rotate through the synchronous belt and the pulley, when When the two stirring cams are farthest from the rotation center and rotate from the farthest to the nearest side wall of the box (as shown at a in Figure 7), the gap between the two stirring cams, the side wall of the box and the baffle plate The volume of the formed cavity gradually decreases. Since the formed cavity has only one open space, the pressure in the cavity increases, and the pressure in the cavity increases, which in turn accelerates the diffusion rate of various substances inside the liquid, thereby accelerating The mixing of pigments, fillers and necessary coating additives with resin solution and water makes the mixing more uniform, and at the same time the pressure in the cavity increases, which in turn increases the speed at which the liquid in the cavity flows out from the open space, making the cavity The liquid inside is sprayed outward, and then the liquid farther away from the grinding roller is brought to the roller, thereby speeding up the grinding, dispersion and mixing of the pigment and filler in the liquid, and at the same time, the rotating stirring cam can stir the liquid near the side wall, thereby speeding up the grinding process. The mixing of pigments, fillers and necessary coating additives with resin solution and water, thereby improving the uniformity of pigments, fillers and necessary coating additives in the resin solution and water in the color paste, thereby improving the quality of the color paste, and then Improve the quality of coating; Simultaneously when two agitating cams are farthest from the center of rotation from the nearest to the furthest from the box side wall (as shown in Figure 7 b), the two agitating cams, the box The volume of the cavity formed between the side wall and the baffle gradually increases, thereby reducing the pressure in the cavity, and the liquid outside the cavity enters the cavity from the open space, thereby accelerating the removal of pigments, fillers and necessary coatings. The additive is mixed with the resin solution and water, which in turn improves the quality of the color paste, which in turn improves the quality of the paint.

5. In the present invention, the barrier is set as an elastic film, and one side of the elastic film is fixedly connected to the inner wall of the box body, and then during the rotation of the stirring cam, as the distance from the surface of the stirring cam to the center of rotation increases from small to large During the process, the elastic film is gradually squeezed and deformed. When the distance between the surface of the stirring cam and the rotation center changes from large to small, the elastic force of the elastic film itself gradually returns to the state before deformation, thereby ensuring that the elastic film is always attached. On the surface of the stirring cam, the reliability of sealing the gap between the stirring cam and the inner wall of the box is ensured. The elastic film is simple in structure, easy to manufacture and install, and reduces the manufacturing cost of the roller mill; the elastic film can It is a bar-shaped structure (as shown in c in Figure 4), and an arc-shaped protrusion can also be arranged on the side of the stirring cam in the middle. The arc-shaped protrusion interferes with the surface of the stirring cam, and the arc-shaped protrusion is fixedly connected to the inner wall of the box , and the other side is against the side wall of the box (as shown in d in Figure 7).

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing.

Fig. 1 is the overall structural representation of roller mill among the present invention;

Fig. 2 is the explosion schematic diagram of roller mill among the present invention;

Fig. 3 is the first internal structure schematic diagram of the roller mill in the present invention;

Fig. 4 is a partial enlarged view of place A in Fig. 3;

Fig. 5 is the second internal structure schematic diagram of roller mill in the present invention;

Fig. 6 is a schematic diagram of the arrangement of stirring cams in the present invention;

Fig. 7 is a partial enlarged view of place B in Fig. 6;

Fig. 8 is a partial enlarged view of place C in Fig. 7;

In the figure: box body 1, feed port 11, discharge port 12, feed hopper 2, grinding roller 3, roller 31, grinding protrusion 311, power component 4, No. 1 bevel gear 41, No. 2 bevel gear 42 , Transmission shaft 43, No. 1 gear 44, No. 2 gear 45, worm 46, worm gear 47, support seat 48, No. 1 motor 49, stirring cam 51, pulley 52, timing belt 53, No. 2 motor 54, barrier 55. Stirring fan 6, hopper cover 71, mobile support plate 72, chute 721, slide plate 73, spring 74, scraper part 75, elastic shovel plate 751, sponge strip 752, screw rod 76, material blocking plug 77.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

As shown in Figures 1 to 7, a roller mill for the production of environmentally friendly floor coatings includes a casing 1, a feed hopper 2, a grinding roller 3 and a power unit 4; the top of the casing 1 is provided with Feed inlet 11; said feed hopper 2 is fixedly connected to said feed inlet 11; said feed hopper 2 communicates with said box body 1 through said feed inlet 11; said box body 1 side wall A discharge port 12 is provided near the bottom of the box; two groups of grinding rollers 3 are arranged in the box body 1; the rotation directions of the two groups of grinding rollers 3 are opposite; each group of grinding rollers 3 contains at least three rollers cylinder 31; the rollers 31 in each group of grinding rollers 3 are evenly spaced on the same plane; the rotating shaft of the roller 31 is connected to the side wall of the box 1; The power part 4 is arranged on the wall corresponding to the position of the grinding roller 3; the power part 4 is used to drive all the rollers 31 in the grinding roller 3, and the speeds of the rollers 31 gradually decrease; Grinding protrusions 311 are evenly spaced on the cylindrical surface.

When working, it is necessary to prepare the key process color paste in the process of coating production and preparation. The preparation of color paste is to add pigments, fillers and necessary coating additives into the resin solution or water, first mix, and then grind the powder in the grinding equipment. Under the action, the pigment and coating are uniformly and stably dispersed in resin solution or water to make a color paste; when preparing the color paste, first add the pigment, filler and necessary paint additives to the resin solution or water for mixing, and then mix the The good mixed liquid is poured into the box body 1 through the feed hopper 2, and then the power part 4 drives the grinding roller 3 to rotate, because the rotating speed of the rollers in the grinding roller 3 decreases successively during the process of the power part 4 driving the grinding roller 3 to rotate, and then The rotation speed difference is formed between the rollers, and then the shearing action is formed between different rollers 31, and the pigment and filler in the mixed liquid are further processed under the action of the shearing force formed between the rollers 31. Grinding and dispersing, because two sets of grinding rollers 3 are set in the box 1, which accelerates the dispersion of pigments and fillers in the liquid in the box 1, so that the pigments and fillers are uniformly and stably dispersed in the resin solution or water to form a stable dispersion body, and because the rotation directions of the two groups of grinding rollers 3 are opposite and the high-speed end and the low-speed end are also opposite, and then the rollers 31 in the upper and lower two groups of grinding rollers 3 turn to the opposite direction and the speed is also different, further increasing the impact on the box body The dispersion of pigments and fillers in the liquid in 1, while the grinding roller 3 in the opposite direction of rotation makes the liquid in the channel formed between the grinding rollers 3 move in the same direction, and then it is the same as that formed between the grinding roller 3 and the inner wall of the box 1 The channel forms a cycle and accelerates the flow of the inward liquid, which further increases the rate at which the pigment and filler are uniformly and stably dispersed in the resin solution or water to form a stable dispersion, thereby improving the quality and production efficiency of the color paste, and thus improving the paint quality. quality and production efficiency.

As shown in Figures 1 and 2, the power unit 4 includes a No. 1 bevel gear 41, a No. 2 bevel gear 42, a transmission shaft 43, a No. 1 gear 44, a No. 2 gear 45, a worm 46, a worm wheel 47, and a support seat 48. and No. 1 motor 49; one of the ends of the outermost two rollers 31 in the grinding roller 3 is respectively fixedly connected to the No. 1 bevel gear 41 and the worm wheel 47; the other ends of the rollers 31 are fixed Connect the No. 1 bevel gear 41 and the worm wheel 47; between the two adjacent rollers 31 on the outer wall of the box 1 and the outermost part of the worm wheel 47 in the grinding roller 3 The outer sides of the rollers 31 are provided with the support base 48; the support base 48 is fixedly connected to the side wall of the box body 1; the support base 48 between the rollers 31 and the transmission shaft 43 The middle part is rotationally connected; the two ends of the transmission shaft 43 are respectively fixedly connected to the No. 2 bevel gear 42 and the No. 1 gear 44; the No. 2 bevel gear 42 is engaged with the No. 1 bevel gear 41 for transmission, so All worms 46 are arranged between the support bases 48; the worms 46 are rotatably connected to the support bases 48; the second gear 45 is fixedly connected to the worm 46; the first gear 44 is connected to the second gear No. gear 45 meshing transmission; said worm wheel 47 meshing transmission between said worm 46 and said support base 48; The rotating shaft of the roller 31; the mounting seat of the No. 1 motor 49 is fixedly connected to the side wall of the box body 1 .

During work, when the mixed solution after mixing is poured into the box body 1, the No. 1 motor 49 is controlled to rotate, and then the No. 1 motor 49 drives the roller 31 connected to the No. 1 bevel gear 41 on the outermost side to rotate, and then the roller 31 rotates. 31 drives No. 1 bevel gear 41 to rotate, because No. 1 bevel gear 41 and No. 2 bevel gear 42 are meshed for transmission, and then drive shaft 43 to drive No. 1 gear 44 to rotate, and because No. 1 gear 44 and No. 2 gear 45 are meshed for transmission, And then drive the worm screw 46 to rotate, because the worm screw 46 and the worm wheel 47 mesh transmission, and then drive the worm wheel 47 to rotate, and then the worm wheel 47 drives the roller 31 that is adjacent to the outermost side to rotate and the No. 1 bevel gear 41 on the roller 31 rotating shaft to rotate, and then Drive the next roller 31 and the No. 1 bevel gear 41 to rotate through No. 2 bevel gear 42, transmission shaft 43, No. 1 gear 44, No. 2 gear 45, worm 46 and worm wheel 47, and drive in turn until the worm 46 drives the outermost roller The worm wheel 47 on the 31 rotates, and then drives the outermost roller 31 to rotate. Since the worm wheel 47 and the worm 46 can have a large transmission ratio, there is a speed difference between adjacent rollers 31, and then through the worm wheel 47 With the worm 46, the speeds of all the rollers 31 in the grinding roller 3 are gradually reduced, so that the shearing action is formed between adjacent rollers, and the shearing action is also formed between the rollers 31 in the two groups of grinding rollers 3 at the same time.

As shown in Figures 3 to 7, stirring cams 51 are evenly spaced on the inner wall of the box body 1; the axis of the stirring cam 51 is parallel to the axis of the roller 31; the two ends of the stirring cam 51 rotate Connected to the side wall of the box body 1; one end of the stirring cam 51 is provided with a pulley 52; the pulley 52 is fixedly connected to the rotating shaft of the stirring cam 51; the adjacent two stirring The rotation directions of the cams 51 are opposite; the agitation cams 51 in the same rotation direction are driven by a synchronous belt 53; The pulley 52 is connected to the transmission; the mounting seat of the No. 2 motor 54 is fixedly connected to the box body 1 .

When working, due to the certain viscosity of the color paste, the fluidity of the color paste close to and in contact with the inner wall of the box body 1 in the box body 1 becomes poor, which in turn causes pigments, fillers and necessary coating additives to be in the resin solution or water. The degree of dispersion is uneven, which in turn affects the uniformity of the color paste, thereby affecting the quality of the paint; therefore, by setting stirring cams 51 evenly spaced on the inner wall of the box body 1, the No. 1 motor 49 drives the grinding roller 3 to rotate while the No. 2 motor 54 The stirring cam 51 is driven to rotate by the timing belt 53 and the pulley 52. When the rotating stirring cams 51 are close to each other, the liquid near the side wall of the box body 1 is squeezed out from the gap by the stirring cam 51, and then the rotating stirring cam 51 drives the box. The liquid flow velocity near the side wall of body 1 is increased, which in turn speeds up the mixing of the liquids in the box body 1, so that the pigments and fillers after grinding and dispersion are more uniformly and stably dispersed in the resin solution or water, and then the color paste raw materials are mixed more uniform, thereby increasing the quality of the color paste, thereby improving the quality of the paint, and because the rotation direction between the adjacent stirring cams 51 is opposite, so that the shearing action is also formed between the stirring cams 51, further affecting the box The pigments and fillers in the liquid near the side wall of body 1 are sheared and dispersed, which further makes the pigments and fillers in the liquid more pulverized and dispersed, thereby improving the quality of the color paste, and at the same time speeding up the process of pigments and fillers under the action of shear force. The speed of dispersing into a stable dispersion in resin solution or aqueous solution reduces the time required for grinding and dispersing and improves the production efficiency of color paste.

As shown in Fig. 3, Fig. 4, Fig. 6 and Fig. 7, a barrier member 55 is provided at a position corresponding to the stirring cam 51 on the inner wall of the box body 1; one side of the barrier member 55 is connected to the On the inner wall of the box body 1; the other side of the barrier member 55 is always in contact with the surface of the stirring cam 51.

During work, by setting the barrier 55 at the position corresponding to the cam on the inner wall of the box body 1, and one side of the barrier 55 is connected on the inner wall of the box body 1, and the other side is always in contact with the surface of the stirring cam 51, And then make the cavity that forms between adjacent two stirring cams 51 and casing 1 sidewall only stay this opening space between two stirring cams 51, pass synchronous belt 53 and belt pulley 52 at No. two motor 54 In the process of driving the stirring cam 51 to rotate, when the two stirring cams 51 are farthest from the center of rotation from the farthest to the nearest side wall of the casing 1 (as shown in Figure 7), the two stirring The volume of the cavity formed between the cam 51, the side wall of the box body 1 and the baffle plate decreases gradually. Since the formed cavity has only one open space, the pressure in the cavity increases, and the pressure in the cavity increases. This in turn speeds up the diffusion rate of the substances inside the liquid, and speeds up the mixing of pigments, fillers and necessary coating additives with the resin solution and water, making the mixing more uniform, and at the same time increasing the pressure in the cavity, which in turn makes the The speed of the liquid flowing out from the opening gap increases, so that the liquid in the cavity is sprayed outward, and then some liquid farther away from the grinding roller 3 is brought to the roller 31, thereby accelerating the grinding, dispersing and mixing of the pigment and filler in the liquid, The stirring cam 51 rotating at the same time can stir the liquid near the side wall, thereby speeding up the mixing of pigments, fillers and necessary coating additives with resin solution and water, and then improving the pigment, filler and necessary coating additives in the color paste. The uniformity of the resin solution and the water improves the quality of the color paste, thereby improving the quality of the paint; at the same time, when the two stirring cams 51 are farthest from the center of rotation from the nearest to the farthest from the side wall of the box body 1 (as shown at b in Figure 7), the volume of the cavity formed between the two stirring cams 51, the side wall of the box body 1, and the baffle gradually increases, thereby reducing the pressure in the cavity, and the cavity The liquid on the outside will enter the cavity from the open space, thereby speeding up the mixing of pigments, fillers and necessary coating additives with the resin solution and water, thereby improving the quality of the color paste and thus the quality of the coating.

As shown in FIG. 3 , FIG. 4 , FIG. 6 and FIG. 7 , the barrier member 55 is an elastic film; one side of the elastic film is fixedly connected to the inner wall of the box body 1 .

During work, by setting the barrier member 55 as an elastic film, one side of the elastic film is fixedly connected on the inner wall of the casing 1, and then during the rotation of the stirring cam 51, as the distance between the surface of the stirring cam 51 and the center of rotation is small In the process of increasing to a large size, the elastic film is gradually squeezed and deformed. When the distance between the surface of the stirring cam 51 and the center of rotation changes from large to small, the elastic force of the elastic film itself gradually returns to the state before deformation, thereby ensuring that the elastic film It is always attached to the surface of the stirring cam 51, thereby ensuring the reliability of sealing the gap between the stirring cam 51 and the inner wall of the box body 1. The elastic film is simple in structure, easy to process, manufacture and install, and reduces the wear and tear of the roller mill. Manufacturing cost; Elastic film can be strip structure (as shown in c in Fig. 4), also can middle part be provided with arc-shaped protrusion to stirring cam 51 one side, on the surface of arc-shaped protrusion conflicting stirring cam 51, arc-shaped protrusion One side is fixedly connected to the inner wall of the box body 1, and the other side is in contact with the side wall of the box body 1 (as shown in d in Figure 7).

As shown in Figure 3 and Figure 6, a group of stirring fans 6 are arranged on the inner wall of the box 1 parallel to the grinding rollers 3; the stirring fans 6 are located between the two groups of grinding rollers 3; The stirring fan 6 is rotatably connected to the inner wall opposite to the flow direction of the liquid.

During work, because the rotation directions of two groups of grinding rollers 3 are opposite, the liquid between two groups of grinding rollers 3 flows in one direction (as shown in e place among Fig. 3 and Fig. 6), by rotating stirring fan 6 and connecting On the inner wall opposite to the flow direction of the liquid, the stirring fan 6 pushes the stirring fan 6 to rotate under the action of the liquid, and the rotating stirring fan 6 prevents the liquid in contact with the fan blades from flowing in different directions, thereby increasing the size of the box 1 The degree of turbulence of the internal liquid, so that the pigments and fillers dispersed by shearing and the necessary coating additives are fully dispersed in the resin solution or water, and the rotating stirring fan 6 stirs the solution to make the mixing more uniform, thereby improving The quality and production efficiency of the color paste are improved, and the quality and production efficiency of the coating are improved.

As shown in Figures 3 to 8, a hopper cover 71 is hinged on the feed hopper 2; a movable support plate 72 is arranged inside the hopper; the two sides of the movable support plate 72 parallel to the axis of the roller 31 The wall is provided with a chute 721; the chute 721 is provided with a slide plate 73; the slide plate 73 is slidably connected in the chute 721; the chute 721 is located at the bottom of the chute 721 and the A spring 74 is arranged between the side walls of the slide plate 73; one end of the spring 74 is fixedly connected to the bottom of the chute 721; the other end of the spring 74 is fixedly connected to the slide plate 73; One side of the feed hopper 2 is provided with a scraper 75; the scraper 75 is in contact with the side wall of the feed hopper 2; the middle part of the upper surface of the movable support plate 72 is provided with a screw 76; One end is rotatably connected on the moving support plate 72; the other end of the screw rod 76 passes through the hopper cover 71; the screw rod 76 is threadedly connected with the hopper cover 71; There is a blocking material plug 77; one end of the blocking material plug 77 located in the box body 1 is flush with the inner wall of the box body 1 .

When working, since the box body 1 and the feed hopper 2 are connected, the liquid in the box body 1 will flow through the feeding port 11 during the rapid rotation of the grinding roller 3 to drive the liquid in the box body 1. The hopper 2 surges inside, so that part of the liquid is in the hopper 2, which reduces the mixing with the liquid in the box, resulting in poor quality of the color paste. At the same time, if the outlet 12 is only blocked outside the discharge port, it will cause When pouring the mixed liquid, part of the liquid is in the pipeline at the discharge port 12, and the liquid in the pipeline seldom follows the liquid in the tank 1, which makes the dispersion stability poor, and then it will be mixed with evenly dispersed liquid when it is opened for use. Therefore, before pouring the mixed liquid, first open the hopper cover 71, then pour the mixed liquid into the box body 1, then close the hopper cover 71, and manually rotate the handle on the screw 76 , so that the screw rod 76 rotates, because the threaded connection between the screw rod 76 and the hopper cover 71 makes the mobile support plate 72 move toward the feed port 11, and then drives the slide plate 73 to move, because the size of the end of the hopper near the feed port 11 becomes smaller, and then The side wall of the feed hopper 2 pushes the slide plate 73 to move to the bottom of the chute 721, so that the spring 74 is compressed, and then under the elastic force of the spring 74, the scraping part 75 on the slide plate 73 is tightly against the inner wall of the feed hopper 2, Furthermore, all the liquid adhering to the side wall of the feed hopper 2 is scraped and flowed into the box body 1 through the scraper part 75, thereby reducing the waste of resources and ensuring the cleanliness in the feed hopper 2 at the same time. When the support plate 72 is moved When the bottom surface is flush with the inner wall of the box body 1, the screw 76 is turned at the same time (the screw 76 can be provided with a mark), thereby realizing the blocking of the feed port 11, ensuring that the liquid will not enter the feed hopper 2 and affect the mixing degree. The material plug 77 fills the pipeline slowly, and the plug 77 is located at one end of the box body 1 and is flush with the inner wall of the box body 1, thereby preventing liquid from entering the pipeline, and further avoiding that it will be mixed into the uniformly dispersed liquid when it is opened and used to cause inconvenience. Evenly affect the quality of the paint, and at the same time avoid the blocking of the liquid flow by the plug 77; by anti-blocking the feed port 11 and the discharge port 12, it is ensured that the liquid in the box 1 is ground, dispersed and mixed without dead ends, and then The quality of the color paste in the box body 1 is ensured, thereby improving the quality of the paint.

As shown in Fig. 4 and Fig. 8, the scraping part 75 includes an elastic shovel plate 751 and a sponge strip 752; the side wall of the slide plate 73 located on the inner wall side of the feed hopper 2 is fixedly connected to the sponge strip 752; the sponge strip 752 is in contact with the side wall of the feed hopper 2; the slide plate 73 is fixedly connected to the elastic shovel plate 751 under one side of the inner wall of the feed hopper 2; the elastic shovel plate The free end of 751 is against the side wall of the feed hopper 2 .

When working, because the liquid has a certain viscosity, it is difficult to flow into the box body 1 after adhering to the inner wall, so the elastic shovel plate 751 is set to scrape and drive the liquid adhering to the inner wall of the feed hopper 2. In the box body 1, since the elastic shovel plate 751 has elastic deformation ability, the elastic shovel plate 751 can well conflict with the inner wall of the feed hopper 2, thereby improving the scraping effect. 2. A sponge strip 752 is fixedly connected to the side wall on one side of the inner wall, and then the liquid adhering to the inner wall is further cleaned through the sponge strip 752, thereby avoiding liquid residue on the inner wall and ensuring the cleanliness of the inner wall of the feed hopper 2 .

As shown in Figure 3 and Figure 6, the number of the grinding protrusions 311 on the roller 31 in the grinding roller 3 decreases with the decreasing speed of the roller 31; The convex height of the grinding protrusions 311 increases as the rotation speed of the roller 31 decreases.

When working, because there is a speed difference between the rollers 31, the grinding protrusions 311 on the roller 31 that rotates faster per unit time move a larger distance, because the viscosity of the liquid is basically the same and the diameter of the rollers 31 is also the same , and then the resistance received by the large moving distance is large, and then the load on the roller 31 is large, and then the gears and shafts and other parts connected to it for transmission are under a large load. As the speed gradually decreases, the moving distance The small resistance is reduced, and the load on the roller 31 is small, which will cause uneven force in the entire transmission system, and cause the roller mill to run unstable. Therefore, by reducing the height of the grinding protrusion 311 Reduce the resistance of the fast roller 31, so that the force on each roller 31 is stable, and then the driving power part 4 runs stably, thereby improving the stability of the roller mill operation, which is beneficial to the pigment and filler. Grinding and dispersing improves the quality of the color paste, thereby improving the quality of the paint. At the same time, the shear capacity formed by the small height of the grinding protrusion 311 is reduced, and the grinding and dispersing ability of the roller 31 is reduced, so that the efficiency of grinding and dispersing is reduced. Underlying, therefore, by increasing the number of grinding protrusions 311 , the formed shearing ability of the roller 31 is improved, thereby improving the ability of the roller 31 to grind and disperse.

When working, when preparing the color paste, first add the pigment, filler and necessary coating additives into the resin solution or water for mixing, then pour the mixed liquid into the box 1 through the feed hopper 2, and then By controlling the rotation of the No. 1 motor 49, the No. 1 motor 49 drives the roller 31 connected to the No. 1 bevel gear 41 on the outermost side to rotate, and then the roller 31 drives the No. 1 bevel gear 41 to rotate, because the No. 1 bevel gear 41 and the No. 2 bevel gear The bevel gear 42 is meshed and driven, and then drives the No. 1 gear 44 to rotate through the transmission shaft 43, and because the No. 1 gear 44 and the No. 2 gear 45 are meshed for transmission, and then drives the worm 46 to rotate, because the worm 46 and the worm wheel 47 are meshed for transmission, and then drive the worm wheel 47 rotates, and then the worm gear 47 drives the roller 31 adjacent to the outermost side to rotate and the No. 1 bevel gear 41 on the roller 31 rotating shaft to rotate, and then passes through the No. 2 bevel gear 42, the transmission shaft 43 No. 1 gear 44, and No. 2 gear 45. The worm 46 and the worm wheel 47 drive the next roller 31 and the No. 1 bevel gear 41 to rotate, and drive in turn until the worm 46 drives the worm wheel 47 on the outermost roller 31 to rotate, and then drives the outermost roller 31 to rotate. There can be a large transmission ratio between 47 and worm screw 46, so that there is a speed difference between adjacent rollers 31, and then through the worm wheel 47 and worm screw 46, the speed of all rollers 31 in the grinding roller 3 decreases successively, and then The rotation speed difference is formed between the rollers, and then the shearing action is formed between different rollers 31, and the pigment and filler in the mixed liquid are further processed under the action of the shearing force formed between the rollers 31. Grinding and dispersing, because two sets of grinding rollers 3 are set in the box 1, which accelerates the dispersion of pigments and fillers in the liquid in the box 1, so that the pigments and fillers are uniformly and stably dispersed in the resin solution or water to form a stable dispersion body, and because the rotation directions of the two groups of grinding rollers 3 are opposite and the high-speed end and the low-speed end are also opposite, and then the rollers 31 in the upper and lower two groups of grinding rollers 3 turn to the opposite direction and the speed is also different, further increasing the impact on the box body The dispersion of pigments and fillers in the liquid in 1, while the grinding roller 3 in the opposite direction of rotation makes the liquid in the channel formed between the grinding rollers 3 move in the same direction, and then it is the same as that formed between the grinding roller 3 and the inner wall of the box 1 The channel forms a cycle and accelerates the flow of the inward liquid, which further increases the rate at which the pigment and filler are uniformly and stably dispersed in the resin solution or water to form a stable dispersion, thereby improving the quality and production efficiency of the color paste, and thus improving the paint quality. quality and production efficiency.

Embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementations, and the above-mentioned specific implementations are only illustrative, rather than restrictive, and those of ordinary skill in the art will Under the enlightenment of the present invention, many forms can also be made without departing from the gist of the present invention and the protection scope of the claims, and these all belong to the protection of the present invention.

Claims (6)

1. a kind of roller mill for the production of environmental protection floor paint is characterized in that: comprise casing (1), feeding hopper (2), grinding roller (3) and power unit (4); Described casing (1 ) is provided with a feed inlet (11) on the top of the case; the feed inlet (11) is fixedly connected to the feed hopper (2); the feed hopper (2) passes through the feed inlet (11) ) is communicated with the casing (1); the side wall of the casing (1) is provided with a discharge opening (12) near the bottom of the casing; two groups of grinding rollers ( 3); the rotation directions of the two groups of grinding rollers (3) are opposite; each group of said grinding rollers (3) contains at least three rollers (31); said rollers in each group of said grinding rollers (3) The cylinders (31) are evenly spaced on the same plane; the rotating shaft of the roller (31) is connected to the side wall of the box (1) in rotation; the side wall of the box (1) corresponds to the grinding roller The power part (4) is arranged at the position of (3); the power part (4) is used to drive all the rollers (31) in the grinding roller (3) and the rotating speed decreases successively; the rollers Grinding protrusions (311) are evenly spaced on the outer cylindrical surface of (31); The power unit (4) includes No. 1 bevel gear (41), No. 2 bevel gear (42), transmission shaft (43), No. 1 gear (44), No. 2 gear (45), worm (46), worm gear (47), support base (48) and No. 1 motor (49); one of the ends of the outermost two rollers (31) in the grinding roller (3) is fixedly connected to the No. 1 bevel gear (41) respectively ) and the worm wheel (47); one end of the rest of the rollers (31) is fixedly connected to the No. 1 bevel gear (41) and the worm wheel (47); adjacent on the outer wall of the casing (1) The support seat (48) is provided between the two rollers (31) of the grinding roller (3) and the outermost roller (31) connected to the worm wheel (47) in the grinding roller (3); The support seat (48) is fixedly connected on the side wall of the box body (1); the middle part of the support seat (48) between the rollers (31) and the transmission shaft (43) rotates connection; the two ends of the transmission shaft (43) are respectively fixedly connected to the No. 2 bevel gear (42) and the No. 1 gear (44); the No. 2 bevel gear (42) and the No. 1 bevel gear (41) meshing transmission, all worms (46) are arranged between the support bases (48); the worms (46) are rotatably connected to the support bases (48); the No. 2 gear (45) is fixedly connected On the worm (46); the No. 1 gear (44) is meshed with the No. 2 gear (45) for transmission; the worm wheel ( 47) meshing transmission; the rotating shaft of the No. 1 motor (49) is fixedly connected on the rotating shaft of the described roller (31) that is connected with the No. 1 bevel gear (41) at the outermost side; the No. 1 motor (49 ) is fixedly connected to the side wall of the box (1); Stirring cams (51) are evenly spaced on the inner wall of the box (1); the axis of the stirring cam (51) is parallel to the axis of the roller (31); the two ends of the stirring cam (51) Rotation is connected on the side wall of described casing (1); Wherein one end of described stirring cam (51) is provided with pulley (52); Described pulley (52) is fixedly connected on the On the rotating shaft; the rotation directions of the two adjacent stirring cams (51) are opposite; the stirring cams (51) in the same rotation direction are driven by a synchronous belt (53); the outermost one of the stirring cams (51) and No. two motors (54) are connected and driven by the synchronous belt (53) and the pulley (52); the mounting seat of the No. two motors (54) is fixedly connected to the casing ( 1) on; A barrier (55) is provided on the inner wall of the box (1) corresponding to the position of the stirring cam (51); one side of the barrier (55) is connected to the inner wall of the box (1) On; the other side of the barrier (55) is always in contact with the surface of the stirring cam (51). 2. A kind of roller mill for environmental protection floor coating production according to claim 1, characterized in that: the barrier (55) is an elastic film; one side of the elastic film is fixedly connected to the casing (1 ) on the inner wall. 3. a kind of environment-friendly floor paint production roll mill according to claim 2 is characterized in that: one group of stirring fans ( 6); the stirring fan (6) is located between the two groups of grinding rollers (3); the stirring fan (6) is rotatably connected to the inner wall opposite to the flow direction of the liquid. 4. The roller mill for producing environmentally friendly floor coatings according to claim 3, characterized in that: the feed hopper (2) is hinged with a hopper cover (71); the hopper is provided with a movable support plate (72); the two side walls of the moving support plate (72) parallel to the axis of the roller (31) are provided with a chute (721); the chute (721) is provided with a slide plate (73) The slide plate (73) is slidingly connected in the chute (721); the chute (721) is located between the bottom of the chute (721) and the side wall of the slide plate (73). Spring (74); one end of the spring (74) is fixedly connected to the bottom of the chute (721); the other end of the spring (74) is fixedly connected to the slide plate (73); the slide plate (73 ) on one side of the feed hopper (2) is provided with a scraper (75); the scraper (75) is in contact with the side wall of the feed hopper (2); the moving support plate (72 ) is provided with a screw (76) in the middle of the upper surface; one end of the screw (76) is rotatably connected to the moving support plate (72); the other end of the screw (76) passes through the hopper cover (71) ; threaded connection between the screw rod (76) and the hopper cover (71); the material outlet (12) is provided with a plug (77); the plug (77) is located in the box One end inside the body (1) is flush with the inner wall of the box body (1). 5. A kind of roller mill for environmental protection floor coating production according to claim 4, is characterized in that: described scraper part (75) comprises elastic shovel plate (751) and sponge strip (752); (73) is fixedly connected with the sponge strip (752) on the side wall on one side of the inner wall of the feed hopper (2); ; The slide plate (73) is fixedly connected to the elastic shovel (751) under one side of the inner wall of the feed hopper (2); the free end of the elastic shovel (751) interferes with the feeding on the side wall of the bucket (2). 6. a kind of environmental protection floor paint production roller mill according to claim 5 is characterized in that: the described grinding protrusion (311) on the described roller (31) in the described grinding roller (3) ) with the decreasing of the rotating speed of the roller (31), the quantity of the grinding protrusions (311) decreases; The convex height of the grinding protrusions (311) increases accordingly.