CN114887702A

CN114887702A - Roller mill for producing environment-friendly floor paint

Info

Publication number: CN114887702A
Application number: CN202210499969.2A
Authority: CN
Inventors: 陈耀敬; 邹妙香; 陈至乐; 罗小妹
Original assignee: Guangzhou Zhiran Technology Application Co ltd
Current assignee: Zhejiang Lvxing New Materials Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-08-12
Anticipated expiration: 2042-05-06
Also published as: CN114887702B

Abstract

The invention belongs to the technical field of coatings, and particularly relates to a roller mill for producing an environment-friendly floor coating, which comprises a box body, a feed hopper, a grinding roller and a power part, wherein the feed hopper is arranged on the box body; the invention drives the rotating speeds of the rollers in the grinding rollers to be sequentially reduced through the power part, and then the pigment and the filler in the liquid are ground and dispersed under the action of the shearing force formed between the rollers, the two groups of grinding rollers accelerate the dispersion of the pigment and the filler in the liquid in the box body, because the rotating directions of the two groups of grinding rollers are opposite and the high-speed end and the low-speed end are also opposite, the dispersion of the pigment and the filler in the liquid in the box body is further increased, meanwhile, the grinding rollers in the opposite rotating directions enable the liquid in a channel formed between the grinding rollers to move towards the same direction, the flow of the liquid in the box body is accelerated, the speed of the pigment and the filler uniformly and stably dispersed in resin solution or water to form stable dispersoid is further increased, the quality and the production efficiency of color paste are further improved, and the quality and the production efficiency of the coating are further improved.

Description

Roller mill for producing environment-friendly floor paint

Technical Field

The invention belongs to the technical field of coatings, and particularly relates to a roller mill for producing an environment-friendly floor coating.

Background

The coating is a continuous film which is coated on the surface of a protected or decorated object and can form firm adhesion with the object to be coated, and is a viscous liquid which is prepared by taking resin, oil or emulsion as a main material, adding or not adding pigments and fillers, adding corresponding auxiliary agents and using organic solvent or water.

In the process of paint production, the preparation of color paste (pigment paste) is a key process, the preparation of color paste usually needs to use grinding dispersion equipment, such as a high-speed dispersion machine, a ball mill, a sand mill and a roller mill, the roller mill is generally most common in three-roller milling, the rotating speed of each roller of the roller mill is sequentially increased or decreased, the grinding dispersion is carried out by utilizing the shearing action formed between the rollers with different rotating speeds, so that the pigment and the filler are dispersed into a stable dispersion in resin solution or water under the action of the roller shearing force, the grinding dispersion of the pigment and the filler in the liquid is uneven by the roller of the existing roller mill, the quality and the production efficiency of the color paste are further influenced, and the quality and the production efficiency of the paint are further influenced.

Disclosure of Invention

In order to make up the defects of the prior art, the invention provides a roller mill for producing an environment-friendly floor coating. The invention is mainly used for solving the problems that the quality and the production efficiency are influenced and the quality and the production efficiency of the coating are further influenced because the pigment and the filler in the liquid are ground and dispersed unevenly by a barrel of the traditional roller mill.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention provides a roller mill for producing an environment-friendly floor coating, which comprises a box body, a feed hopper, a grinding roller and a power part, wherein the feed hopper is arranged on the box body; a feeding hole is formed in the top of the box body; the feed hopper is fixedly connected with the feed inlet; the feed hopper is communicated with the box body through the feed inlet; a discharge port is formed in one side of the side wall of the box body, which is close to the box bottom; two groups of grinding rollers are arranged in the box body; the rotation directions of the two groups of grinding rollers are opposite; each group of the grinding rollers at least comprises three rollers; the rollers in each group of grinding rollers are uniformly arranged on the same plane at intervals; a rotating shaft of the roller is rotationally connected to the side wall of the box body; the power part is arranged on the side wall of the box body corresponding to the position of the grinding roller; the power component is used for driving the rotating speeds of all the rollers in the grinding roller to decrease in turn; grinding bulges are uniformly arranged on the outer cylindrical surface of the roller at intervals.

When the pigment and coating color paste is in work, the preparation of color paste of a key procedure is needed in the production and preparation process of the coating, the preparation of the color paste is to add pigment, filler and necessary coating additives into resin solution or water, mix the mixture firstly, and then disperse the pigment and the coating uniformly and stably into the resin solution or the water to prepare the color paste under the action of grinding equipment; when preparing color paste, firstly adding pigment, filler and necessary paint auxiliary agent into resin solution or water for mixing, then pouring the mixed liquid into a box body through a feed hopper, then driving grinding rollers to rotate by a power part, sequentially decreasing the rotating speed of the rollers in the grinding rollers in the process of driving the grinding rollers to rotate by the power part so as to form a rotating speed difference between the rollers, further forming a shearing action between different rollers, further grinding and dispersing the pigment and the filler in the mixed liquid under the action of the shearing force formed between the rollers, further accelerating the dispersion of the pigment and the filler in the liquid in the box body because two groups of grinding rollers are arranged in the box body, further uniformly and stably dispersing the pigment and the filler in the resin solution or water to form stable dispersion, and because the rotating directions of the two groups of grinding rollers are opposite and the high-speed end and the low-speed end are also opposite, and then make turn to opposite and speed also to differentiate between the upper and lower two sets of grinding rollers, further increased the dispersion to pigment and filler in the box body fluid, the grinding roller of opposite rotation direction makes the fluid in the passageway that forms between the grinding roller move to same direction simultaneously, and then form the circulation and then the flow of accelerated inside fluid with the passageway that forms between grinding roller and the box body inner wall, further increased the even stable dispersion of pigment and filler and formed the speed of stable dispersion in resin solution or aquatic, and then improved the quality and the production efficiency of mill base, and then improved the quality and the production efficiency of coating.

Preferably, the power part comprises a first bevel gear, a second bevel gear, a transmission shaft, a first gear, a second gear, a worm gear, a support seat and a first motor; one end of each of the two outermost rollers in the grinding rollers is fixedly connected with the first bevel gear and the worm gear respectively; one end of the other roller is fixedly connected with the first bevel gear and the worm wheel; the supporting seats are arranged between two adjacent rollers on the outer wall of the box body and on the outer side of the roller, which is connected with the turbine on the outermost side of the grinding roller, respectively; the supporting seat is fixedly connected to the side wall of the box body; the supporting seat between the rollers is rotationally connected with the middle part of the transmission shaft; two ends of the transmission shaft are respectively and fixedly connected with the second bevel gear and the first bevel gear; the second bevel gear is in meshing transmission with the first bevel gear, and all worms are arranged between the supporting seats; the worm is rotationally connected to the supporting seat; the second gear is fixedly connected to the worm; the first gear is in meshing transmission with the second gear; the worm gear between the worm and the supporting seat is in meshing transmission; the rotating shaft of the first motor is fixedly connected to the rotating shaft of the roller, which is connected with the first bevel gear on the outermost side; the mounting seat of the first motor is fixedly connected to the side wall of the box body.

When the mixing machine works, after mixed liquid is poured into a box body, the first motor is controlled to rotate, the first motor drives the roller connected with the first bevel gear on the outermost side to rotate, the roller drives the first bevel gear to rotate, the first bevel gear is in meshing transmission with the second bevel gear, the first gear is driven to rotate through the transmission shaft, the first gear is in meshing transmission with the second gear, the worm is driven to rotate through the worm and the worm gear, the worm gear is driven to rotate, the worm gear drives the roller adjacent to the outermost side to rotate and the first bevel gear on the roller rotating shaft to rotate, the next roller and the first bevel gear are driven to rotate through the second bevel gear, the first gear of the transmission shaft, the second gear, the worm and the worm gear, and the first roller and the second bevel gear are sequentially driven to rotate until the worm drives the worm gear on the roller on the outermost side to rotate, and the roller on the outermost side is driven to rotate, because can have very big drive ratio between turbine and the worm, and then make to have the rotational speed difference between the adjacent roller, and then realize through worm wheel and worm that all roller speeds in the grinding roller decrease progressively in proper order, and then make to form the shearing action between the adjacent roller, make simultaneously also to form the shearing action between the roller in two sets of grinding rollers.

Preferably, the inner wall of the box body is uniformly provided with the stirring cams at intervals; the axis of the stirring cam is parallel to the axis of the roller; two ends of the stirring cam are rotatably connected to the side wall of the box body; one end of the stirring cam is provided with the belt wheel; the belt wheel is fixedly connected to a rotating shaft of the stirring cam; the rotating directions of two adjacent stirring cams are opposite; the stirring cams in the same rotation direction are driven by a synchronous belt; one stirring cam at the outermost side is in transmission connection with the second motor through the synchronous belt and the belt wheel; the mounting seat of the second motor is fixedly connected to the box body.

When the paint box works, due to the fact that the color paste has certain viscosity, the flowability of the color paste close to and contacting the inner wall of the box body in the box body is poor, so that the dispersion degree of pigments, fillers and necessary paint auxiliaries in resin solution or water is uneven, the uniformity of the color paste is affected, and the quality of the paint is affected; therefore, the stirring cams are arranged on the inner wall of the box body at uniform intervals, when the first motor drives the grinding roller to rotate, the second motor drives the stirring cams to rotate through the synchronous belt and the belt wheel, when the rotating stirring cams approach each other, the liquid close to the side wall of the box body is extruded out from the gap by the stirring cams, and then the rotating stirring cams drive the liquid flow speed near the side wall of the box body to increase, so that the mixing of the liquid in the box body is accelerated, the pigment and the filler after grinding dispersion are more uniformly and stably dispersed in resin solution or water, so that the color paste raw materials are more uniformly mixed, the quality of the color paste is increased, the quality of the coating is improved, and because the rotating directions of the adjacent stirring cams are opposite, a shearing effect is formed between the stirring cams, the pigment and the filler in the liquid near the side wall of the box body are further sheared and dispersed, and further, the pigment and the filler in the liquid are crushed and dispersed more, so that the quality of the color paste is improved, and meanwhile, the speed of dispersing the pigment and the filler into a stable dispersion in a resin solution or an aqueous solution under the action of shearing force is increased, so that the time required by grinding and dispersing is reduced, and the production efficiency of the color paste is improved.

Preferably, a blocking piece is arranged on the inner wall of the box body at a position corresponding to the stirring cam; one side of the baffle piece is connected to the inner wall of the box body; the other side of the barrier member is always kept in contact with the agitating cam surface.

When the device works, the position of the inner wall of the box body corresponding to the cam is provided with the baffle piece, one side of the baffle piece is connected to the inner wall of the box body, the other side of the baffle piece is always in contact with the surface of the stirring cam, so that the cavity formed between the two adjacent stirring cams and the side wall of the box body is only provided with the opening gap between the two stirring cams, when the two stirring cams rotate from the farthest position to the nearest position (as shown in a position a in figure 7) away from the side wall of the box body when the second motor drives the stirring cams to rotate through a synchronous belt and a belt pulley, the volume of the cavity formed between the two stirring cams, the side wall of the box body and the baffle plate is gradually reduced, and because the formed cavity is provided with only one opening gap, the pressure in the cavity is increased, and the diffusion speed of various substances in the liquid is accelerated, the mixing of the pigment, the filler and the necessary paint auxiliary agent with the resin solution and the water is accelerated, the mixing is more uniform, the pressure in the cavity is increased, the flowing speed of the liquid in the cavity from the opening gap is increased, the liquid in the cavity is sprayed outwards, and then the liquid far away from the grinding roller is brought to the roller, so that the grinding dispersion and mixing of the pigment and the filler in the liquid are accelerated, meanwhile, the rotating stirring cam can stir the liquid of the side wall accessory, so that the mixing of the pigment, the filler and the necessary paint auxiliary agent with the resin solution and the water is accelerated, the uniformity degree of the pigment, the filler and the necessary paint auxiliary agent in the color paste in the resin solution and the water is improved, the quality of the color paste is improved, and the quality of the paint is improved; meanwhile, when the two stirring cams rotate from the nearest position to the farthest position from the side wall of the box body from the farthest end of the two stirring cams to the side wall of the box body (as shown in a position b in fig. 7), the volume of a cavity formed among the two stirring cams, the side wall of the box body and the baffle plate is gradually increased, the pressure in the cavity is further reduced, and then liquid outside the cavity can enter the cavity from the opening gap, so that the mixing of the pigment, the filler and necessary paint auxiliaries, the resin solution and water is accelerated, the quality of the color paste is further improved, and the quality of the paint is further improved.

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

When the roller mill is in work, the blocking piece is set to be an elastic film, one side of the elastic film is fixedly connected to the inner wall of the box body, and then in the rotating process of the stirring cam, the elastic film is gradually extruded and deformed along with the process that the distance between the surface of the stirring cam and the rotating center is from small to large, and in the process that the distance between the surface of the stirring cam and the rotating center is from large to small, the elastic action of the elastic film gradually recovers the state before deformation, so that the elastic film is always attached to the surface of the stirring cam, the reliability of blocking a gap between the stirring cam and the inner wall of the box body is ensured, the elastic film is simple in structure, the processing, the manufacturing and the installation are facilitated, and the manufacturing cost of the roller mill is reduced; the elastic film can be of a strip structure (as shown in c in fig. 4), or an arc-shaped bulge is arranged at the middle part of the elastic film towards one side of the stirring cam, the arc-shaped bulge is abutted against the surface of the stirring cam, one side of the arc-shaped bulge is fixedly connected to the inner wall of the box body, and the other side of the arc-shaped bulge is abutted against the side wall of the box body (as shown in d in fig. 7).

Preferably, a group of stirring fans are arranged on the inner wall of the box body parallel to the grinding roller; the stirring fan is positioned between the two groups of grinding rollers; the stirring fan is rotatably connected to the inner wall opposite to the liquid flowing direction.

In operation, because the rotation direction of two sets of grinding rollers is opposite, make liquid between two sets of grinding rollers flow to a direction (as shown in e department in fig. 3 and fig. 6), through rotating the stirring fan and connect on the inner wall relative with liquid flow direction, and then the stirring fan is pushed the stirring fan and is rotated under the effect of liquid, the liquid that pivoted stirring fan will contact with the flabellum blocks the dispersion and flows to different directions, and then increased the degree of disorder of liquid in the box, and then make by the abundant dispersion in resin solution or aquatic of the pigment and the filler of shearing dispersion and necessary coating auxiliary agent, the stirring fan of pivoted simultaneously stirs solution, make the mixture more even, and then improved the quality and the production efficiency of mill base, and then improved the quality and the production efficiency of coating.

Preferably, a hopper cover is hinged to the feeding hopper; a movable supporting plate is arranged in the hopper; two side walls of the movable supporting plate, which are parallel to the axis of the roller, are provided with sliding grooves; a sliding plate is arranged in the sliding groove; the sliding plate is connected in the sliding groove in a sliding manner; a spring is arranged between the bottom of the sliding chute and the side wall of the sliding plate in the sliding chute; one end of the spring is fixedly connected to the bottom of the sliding groove; the other end of the spring is fixedly connected to the sliding plate; a scraping part is arranged on the sliding plate and positioned on one side of the feed hopper; the scraping part is in contact with the side wall of the feed hopper; a screw is arranged in the middle of the upper surface of the movable supporting plate; one end of the screw is rotatably connected to the movable supporting plate; the other end of the screw penetrates through the hopper cover; the screw rod is in threaded connection with the hopper cover; a material blocking plug is arranged at the discharge port; the putty stopper is located one end in the box with the box inner wall flushes.

When the automatic color paste pouring device works, as the box body is communicated with the feed hopper, in the process that the grinding roller drives the liquid in the box body to flow in a fast rotating mode, the liquid in the box body can gush into the feed hopper through the feed inlet, so that part of the liquid is in the feed hopper, the mixing of the liquid and the liquid in the box body is reduced, the quality of color paste is poor, and meanwhile, if the discharge outlet is only blocked outside the discharge outlet, part of the liquid is in a pipeline at the discharge outlet when the mixed liquid is poured, the liquid in the pipeline rarely flows along with the liquid in the box body, so that the dispersion stability degree of the liquid is poor, and the liquid can be mixed into the uniformly dispersed liquid to cause non-uniformity when the automatic color paste pouring device is opened for use; therefore, before the mixed liquid is poured, the hopper cover is firstly opened, then the mixed liquid is poured into the box body, then the hopper cover is viewed, a handle on the screw rod is manually rotated, the screw rod is rotated, because the screw rod is in threaded connection with the hopper cover, the movable supporting plate is further moved towards the feeding port, and the sliding plate is further driven to move, because the size of the hopper close to the feeding port is reduced, the side wall of the hopper pushes the sliding plate to move towards the bottom of the sliding groove, the spring is compressed, the scraping part on the sliding plate is tightly abutted against the inner wall of the hopper under the elastic force action of the spring, and then the liquid adhered to the side wall of the hopper is completely scraped into the box body through the scraping part, so that the waste of resources is reduced, meanwhile, the cleanness in the hopper is ensured, when the bottom surface of the movable supporting plate is flush with the inner wall of the box body, the screw rod is simultaneously rotated (the screw rod can be provided with marks), the feed inlet is further blocked, the liquid cannot enter the feed hopper to influence the mixing degree, the pipeline is slowly filled by the blocking plug, and one end of the blocking plug, which is positioned in the box body, is flush with the inner wall of the box body, so that the liquid is prevented from entering the pipeline, the phenomenon that the liquid is mixed into the uniformly dispersed liquid when the pipeline is opened for use to cause uneven influence on the coating quality is avoided, and the phenomenon that the blocking plug blocks the liquid to flow is avoided; the feed inlet and the discharge outlet are prevented from being blocked, so that the grinding, dispersion and mixing of liquid in the box body without dead angles are guaranteed, the quality of color paste in the box body is guaranteed, and the quality of coating is improved.

Preferably, the scraping part comprises an elastic shovel plate and a sponge strip; the side wall of the sliding plate, which is positioned on one side of the inner wall of the feed hopper, is fixedly connected with the sponge strip; the sponge strip is abutted against the side wall of the feed hopper; the lower part of the sliding plate, which is positioned on one side of the inner wall of the feed hopper, is fixedly connected with the elastic shovel plate; the free end of the elastic shovel plate is abutted against the side wall of the feed hopper.

The during operation, because liquid has certain consistency, hardly flow into in the box behind the adhesion on the inner wall, consequently scrape and drive into the box through the liquid that sets up adhesion shovel board on to the feeder hopper inner wall, because the elasticity shovel board has elastic deformation ability, and then make the elasticity shovel board can be fine contradict with the feeder hopper inner wall, and then improved and scraped out the effect, fixed connection sponge strip on the lateral wall that is located feeder hopper inner wall one side through at the slide simultaneously, and then further clear up the liquid of adhesion on the inner wall through the sponge strip, and then avoid having remaining of liquid on the inner wall, the cleanness of feeder hopper inner wall has been guaranteed.

Preferably, the number of the grinding bulges on the roller of the grinding roller is decreased gradually along with the decrease of the rotating speed of the roller; the convex height of the grinding protrusions is increased along with the decreasing of the rotating speed of the roller.

When the roller mill works, because the speed difference exists between the rollers, the moving distance of the grinding bulge on the roller which rotates fast in unit time is large, because the viscosity degree of liquid is basically the same and the diameter of the roller is also the same, the received resistance of the moving distance is large, the received load of the roller is large, the received load of the gear, the shaft and other parts which are connected with the roller and are used for transmission is large, along with the gradual reduction of the speed, the received resistance of the moving distance is reduced, the received load of the roller is small, the stress in the whole transmission system is uneven, and the roller mill runs unstably, the resistance received by the roller with high speed is reduced by reducing the height of the grinding bulge, so that each roller is stressed stably, the running of a transmission power part is stable, the running stability of the roller mill is improved, and the grinding dispersion of pigments and fillers is facilitated, thereby improving the quality of the color paste and further improving the quality of the coating; simultaneously, the shearing capacity of the small grinding protrusion for forming is reduced, and further the grinding and dispersing capacity of the roller is reduced, so that the grinding and dispersing efficiency is low, the shearing capacity of the forming of the roller is improved by increasing the number of the grinding protrusions, and the grinding and dispersing capacity of the roller is improved.

The invention has the following beneficial effects:

1. when the color paste is prepared, firstly, the pigment, the filler and the necessary paint auxiliary agent are added into resin solution or water for mixing, then the mixed liquid is poured into a box body through a feed hopper, then a power part drives grinding rollers to rotate, the rotating speeds of the rollers in the grinding rollers are sequentially reduced in the process that the power part drives the grinding rollers to rotate, so that a rotating speed difference is formed between the rollers, further, shearing action is formed between different rollers, further, the pigment and the filler in the mixed liquid are ground and dispersed under the action of the shearing force formed between the rollers, because two groups of grinding rollers are arranged in the box body, the dispersion of the pigment and the filler in the liquid in the box body is accelerated, further, the pigment and the filler are uniformly and stably dispersed in the resin solution or water to form stable dispersion, and because the rotating directions of the two groups of grinding rollers are opposite and the high-speed end and the low-speed end are also opposite, and then make turn to opposite and speed also to differentiate between the upper and lower two sets of grinding rollers, further increased the dispersion to pigment and filler in the box body fluid, the grinding roller of opposite rotation direction makes the fluid in the passageway that forms between the grinding roller move to same direction simultaneously, and then form the circulation and then the flow of accelerated inside fluid with the passageway that forms between grinding roller and the box body inner wall, further increased the even stable dispersion of pigment and filler and formed the speed of stable dispersion in resin solution or aquatic, and then improved the quality and the production efficiency of mill base, and then improved the quality and the production efficiency of coating.

2. In the invention, a first motor is controlled to rotate, then the first motor drives a roller connected with a first bevel gear on the outermost side to rotate, then the roller drives the first bevel gear to rotate, the first bevel gear is in meshing transmission with a second bevel gear, then the first gear is driven to rotate through a transmission shaft, the first gear is in meshing transmission with the second gear, then a worm is driven to rotate, a worm is driven to rotate through meshing transmission of a worm and the worm gear, then the worm gear is driven to rotate, further the worm drives a roller adjacent to the outermost side to rotate and the first bevel gear on a roller rotating shaft to rotate, further the next roller and the first bevel gear are driven to rotate through the second bevel gear, the first gear, the second gear, the worm and the worm gear, and then the worm drives the worm on the roller on the outermost side to rotate, and because a very large transmission ratio can be formed between the worm and the worm, and then make to have the rotational speed difference between the adjacent roller, and then realize through worm wheel and worm that all roller speeds in the grinding roller decrease progressively in proper order, and then make and form the shearing action between the adjacent roller, make simultaneously also to form the shearing action between the roller in two sets of grinding rollers.

3. According to the invention, the stirring cams are uniformly arranged on the inner wall of the box body at intervals, the first motor drives the grinding roller to rotate, the second motor drives the stirring cams to rotate through the synchronous belt and the belt pulley, when the rotating stirring cams approach each other, the liquid close to the side wall of the box body is extruded out from the gap by the stirring cams, and then the rotating stirring cams drive the liquid flow speed near the side wall of the box body to increase, so that the mixing of the liquid in the box body is accelerated, the ground and dispersed pigment and filler are more uniformly and stably dispersed in resin solution or water, so that the mixing of color paste raw materials is more uniform, the quality of color paste is increased, the quality of coating is improved, and because the rotating directions of the adjacent stirring cams are opposite, a shearing effect is formed between the stirring cams, and the pigment and the filler in the liquid near the side wall of the box body are further sheared and dispersed, and further, the pigment and the filler in the liquid are crushed and dispersed more, so that the quality of the color paste is improved, and meanwhile, the speed of dispersing the pigment and the filler into a stable dispersion in a resin solution or an aqueous solution under the action of shearing force is increased, so that the time required by grinding and dispersing is reduced, and the production efficiency of the color paste is improved.

4. In the invention, the position of the inner wall of the box body corresponding to the cam is provided with the baffle piece, one side of the baffle piece is connected to the inner wall of the box body, the other side of the baffle piece is always in contact with the surface of the stirring cam, so that the cavity formed between the two adjacent stirring cams and the side wall of the box body is only provided with the opening gap between the two stirring cams, when the two stirring cams rotate from the farthest position to the nearest position (as shown in a part a in figure 7) away from the rotating center in the process that the second motor drives the stirring cams to rotate through the synchronous belt and the belt pulley, the volume of the cavity formed between the two stirring cams, the side wall of the box body and the baffle plate is gradually reduced, and because the formed cavity is only provided with the opening gap, the pressure in the cavity is increased, and the diffusion speed of each substance in the liquid is accelerated, the mixing of the pigment, the filler and the necessary paint auxiliary agent with the resin solution and the water is accelerated, the mixing is more uniform, the pressure in the cavity is increased, the flowing speed of the liquid in the cavity from the opening gap is increased, the liquid in the cavity is sprayed outwards, and then the liquid far away from the grinding roller is brought to the roller, so that the grinding dispersion and mixing of the pigment and the filler in the liquid are accelerated, meanwhile, the rotating stirring cam can stir the liquid of the side wall accessory, so that the mixing of the pigment, the filler and the necessary paint auxiliary agent with the resin solution and the water is accelerated, the uniformity degree of the pigment, the filler and the necessary paint auxiliary agent in the color paste in the resin solution and the water is improved, the quality of the color paste is improved, and the quality of the paint is improved; meanwhile, when the two stirring cams rotate from the nearest position to the farthest position from the side wall of the box body from the farthest end of the two stirring cams to the side wall of the box body (as shown in a position b in fig. 7), the volume of a cavity formed among the two stirring cams, the side wall of the box body and the baffle plate is gradually increased, the pressure in the cavity is further reduced, and then liquid outside the cavity can enter the cavity from the opening gap, so that the mixing of the pigment, the filler and necessary paint auxiliaries, the resin solution and water is accelerated, the quality of the color paste is further improved, and the quality of the paint is further improved.

5. According to the invention, the blocking piece is set to be an elastic soft piece, one side of the elastic soft piece is fixedly connected to the inner wall of the box body, and then in the rotating process of the stirring cam, the elastic soft piece is gradually extruded and deformed along with the process that the distance between the surface of the stirring cam and the rotating center is from small to large, and in the process that the distance between the surface of the stirring cam and the rotating center is from large to small, the elastic action of the elastic soft piece gradually recovers the state before deformation, so that the elastic soft piece is always attached to the surface of the stirring cam, the reliability of plugging a gap between the stirring cam and the inner wall of the box body is ensured, the elastic soft piece is simple in structure, the processing, the manufacturing and the installation are convenient, and the manufacturing cost of the roller mill is reduced; the elastic film can be of a strip structure (as shown in c in fig. 4), or an arc-shaped bulge is arranged at the middle part of the elastic film towards one side of the stirring cam, the arc-shaped bulge is abutted against the surface of the stirring cam, one side of the arc-shaped bulge is fixedly connected to the inner wall of the box body, and the other side of the arc-shaped bulge is abutted against the side wall of the box body (as shown in d in fig. 7).

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a schematic view showing the overall construction of a roller mill according to the present invention;

FIG. 2 is an exploded schematic view of the roller mill of the present invention;

fig. 3 is a schematic view of a first internal structure of the roller mill of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic view of a second internal structure of the roller mill of the present invention;

FIG. 6 is a schematic view showing the arrangement of the agitating cams according to the present invention;

FIG. 7 is a partial enlarged view at B in FIG. 6;

FIG. 8 is an enlarged view of a portion of FIG. 7 at C;

in the figure: the device comprises a box body 1, a feeding hole 11, a discharging hole 12, a feeding hopper 2, a grinding roller 3, a roller 31, a grinding bulge 311, a power part 4, a first bevel gear 41, a second bevel gear 42, a transmission shaft 43, a first gear 44, a second gear 45, a worm 46, a worm wheel 47, a supporting seat 48, a first motor 49, a stirring cam 51, a belt wheel 52, a synchronous belt 53, a second motor 54, a blocking piece 55, a stirring fan 6, a hopper cover 71, a movable supporting plate 72, a sliding groove 721, a sliding plate 73, a spring 74, a scraping part 75, an elastic shovel plate 751, a sponge bar 752, a screw 76 and a blocking plug 77.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 7, a roller mill for producing an environment-friendly floor coating comprises a box body 1, a feed hopper 2, a grinding roller 3 and a power part 4; a feeding hole 11 is formed in the top of the box body 1; the feed hopper 2 is fixedly connected to the feed inlet 11; the feed hopper 2 is communicated with the box body 1 through the feed inlet 11; a discharge hole 12 is formed in one side wall of the box body 1, which is close to 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 set of the grinding rollers 3 comprises at least three rollers 31; the rollers 31 in each group of grinding rollers 3 are uniformly arranged at intervals on the same plane; the rotating shaft of the roller 31 is rotatably connected to the side wall of the box body 1; the power component 4 is arranged on the side wall of the box body 1 at a position corresponding to the grinding roller 3; the power component 4 is used for driving the rotating speeds of all the rollers 31 in the grinding roller 3 to decrease progressively in sequence; grinding protrusions 311 are uniformly arranged on the outer cylindrical surface of the roller 31 at intervals.

When the pigment and coating color paste is in work, the preparation of color paste of a key procedure is needed in the production and preparation process of the coating, the preparation of the color paste is to add pigment, filler and necessary coating additives into resin solution or water, mix the mixture firstly, and then disperse the pigment and the coating uniformly and stably into the resin solution or the water to prepare the color paste under the action of grinding equipment; when preparing color paste, firstly adding pigment, filler and necessary coating auxiliary agent into resin solution or water for blending, then pouring the blended mixed liquid into a box body 1 through a feed hopper 2, then driving a grinding roller 3 to rotate by a power part 4, sequentially decreasing the rotating speed of rollers in the grinding roller 3 in the process that the power part 4 drives the grinding roller 3 to rotate, further forming a rotating speed difference between the rollers, further forming a shearing action between different rollers 31, further grinding and dispersing the pigment and the filler in the blended liquid under the action of the shearing force formed between the rollers 31, further accelerating the dispersion of the pigment and the filler in the liquid in the box body 1 due to the two groups of grinding rollers 3 arranged in the box body 1, further uniformly and stably dispersing the pigment and the filler in the resin solution or the water to form stable dispersion, 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, the rotation directions of the rollers 31 in the upper group of grinding rollers 3 and the lower group of grinding rollers 3 are opposite and the speeds of the rollers are also different, the dispersion of the pigment and the filler in the liquid in the box body 1 is further increased, meanwhile, the grinding rollers 3 in the opposite rotation directions enable the liquid in a channel formed between the grinding rollers 3 to move towards the same direction, and further, the circulation is formed with the channel formed between the grinding rollers 3 and the inner wall of the box body 1, so that the flow of the inward liquid is accelerated, the speed of forming a stable dispersion body by uniformly and stably dispersing the pigment and the filler in a resin solution or water is further increased, the quality and the production efficiency of the color paste are further improved, and the quality and the production efficiency of the coating are further improved.

As shown in fig. 1 and 2, the power part 4 comprises a first bevel gear 41, a second bevel gear 42, a transmission shaft 43, a first gear 44, a second gear 45, a worm 46, a worm wheel 47, a support seat 48 and a first motor 49; one end of each of the two outermost rollers 31 in the grinding rollers 3 is fixedly connected with the first bevel gear 41 and the worm gear 47 respectively; one end of the rest of the rollers 31 is fixedly connected with the first bevel gear 41 and the worm gear 47; the supporting seats 48 are arranged between two adjacent rollers 31 on the outer wall of the box body 1 and on the outer side of the roller 31 which is connected with the turbine on the outermost side in the grinding roller 3; the supporting seat 48 is fixedly connected to the side wall of the box body 1; the supporting seat 48 between the rollers 31 is rotatably connected with the middle part of the transmission shaft 43; two ends of the transmission shaft 43 are respectively and fixedly connected with the second bevel gear 42 and the first bevel gear 44; the second bevel gear 42 is in meshing transmission with the first bevel gear 41, and all the worms 46 are arranged between the supporting seats 48; the worm 46 is rotatably connected to the support seat 48; the second gear 45 is fixedly connected to the worm 46; the first gear 44 is in meshed transmission with the second gear 45; the worm 46 is meshed with the worm wheel 47 between the supporting seat 48 for transmission; the rotating shaft of the first motor 49 is fixedly connected to the rotating shaft of the roller 31 which is connected with the first bevel gear 41 at the outermost side; the mounting seat of the first motor 49 is fixedly connected to the side wall of the box body 1.

When the mixing device works, after mixed liquid is poured into the box body 1, the first motor 49 is controlled to rotate, then the first motor 49 drives the roller 31 connected with the first bevel gear 41 on the outermost side to rotate, then the roller 31 drives the first bevel gear 41 to rotate, because the first bevel gear 41 is in meshing transmission with the second bevel gear 42, then the first gear 44 is driven to rotate through the transmission shaft 43, and because the first gear 44 is in meshing transmission with the second gear 45, then the worm 46 is driven to rotate, because the worm 46 is in meshing transmission with the worm wheel 47, then the worm wheel 47 is driven to rotate, then the worm wheel drives the roller 31 adjacent to the outermost side to rotate and the first bevel gear 41 on the rotating shaft of the roller 31 to rotate, and then the second bevel gear 42, the first gear 44 of the transmission shaft 43, the second gear 45, the worm 46 and the worm wheel 47 drive the next roller 31 and the first bevel gear 41 to rotate, the transmission in proper order, until worm 46 drives the worm wheel 47 on the outside roller 31 and rotates, and then drives outside roller 31 and rotates, because can have very big drive ratio between worm wheel and the worm 46, and then make and have the difference in rotational speed between the adjacent roller 31, and then realize through worm wheel 47 and worm 46 that all roller 31 speeds in grinding roller 3 decrease progressively in proper order, and then make and form the shearing action between the adjacent roller, make simultaneously also to form the shearing action between the roller 31 in two sets of grinding rollers 3.

As shown in fig. 3 to 7, the inner wall of the box body 1 is provided with the stirring cams 51 at regular intervals; the axis of the stirring cam 51 is parallel to the axis of the roller 31; two ends of the stirring cam 51 are rotatably connected to the side wall of the box body 1; one end of the stirring cam 51 is provided with the belt wheel 52; the belt wheel 52 is fixedly connected to the rotating shaft of the stirring cam 51; the rotation directions of two adjacent stirring cams 51 are opposite; the stirring cams 51 in the same rotation direction are driven by a synchronous belt 53; one of the outermost stirring cams 51 is in transmission connection with a second motor 54 through the synchronous belt 53 and the belt wheel 52; the mounting seat of the second motor 54 is fixedly connected to the box body 1.

When the paint box is in work, due to the fact that the color paste has certain viscosity, the flowability of the color paste close to and contacting the inner wall of the box body 1 in the box body 1 is poor, so that the dispersion degree of the pigment, the filler and the necessary paint auxiliary agent in resin solution or water is uneven, the uniformity of the color paste is affected, and the quality of the paint is affected; therefore, the stirring cams 51 are arranged on the inner wall of the box body 1 at uniform intervals, the motor 49 drives the grinding roller 3 to rotate, the motor 54 drives the stirring cams 51 to rotate through the synchronous belt 53 and the belt wheel 52, when the rotating stirring cams 51 approach each other, the liquid close to the side wall of the box body 1 is extruded out from the gap by the stirring cams 51, the rotating stirring cams 51 drive the liquid flow speed near the side wall of the box body 1 to increase, so that the mixing of the liquid in the box body 1 is accelerated, further, the ground and dispersed pigment and filler are more uniformly and stably dispersed in resin solution or water, further, the color paste raw materials are more uniformly mixed, the quality of the color paste is increased, the quality of the coating is improved, and because the rotating directions of the adjacent stirring cams 51 are opposite, further, a shearing effect is formed between the stirring cams 51, further carry out the shear dispersion to pigment and filler in the near liquid of box 1 lateral wall, and then make pigment and filler smash the dispersion more in the liquid, and then improved the quality of mill base, accelerated pigment and filler simultaneously under the effect of shear force, disperse the speed into stable dispersion in resin solution or aqueous solution, and then reduced the required time of grinding dispersion, improved the production efficiency of mill base.

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

When the stirring device works, the position of the inner wall of the box body 1 corresponding to the cam is provided with the baffle piece 55, one side of the baffle piece 55 is connected to the inner wall of the box body 1, the other side of the baffle piece 55 is always in surface contact with the stirring cam 51, so that the cavity formed between the two adjacent stirring cams 51 and the side wall of the box body 1 only has the opening gap between the two stirring cams 51, when the two stirring cams 51 rotate from the farthest position to the nearest position (shown as a position a in figure 7) away from the side wall of the box body 1 in the process that the second motor 54 drives the stirring cams 51 to rotate through the synchronous belt 53 and the belt pulley 52, the cavity volume formed between the two stirring cams 51, the side wall of the box body 1 and the baffle plate is gradually reduced, and because the formed cavity has only one opening gap, the pressure in the cavity is increased, and the pressure in the cavity is increased, the diffusion speed of all substances in the liquid is further accelerated, the mixing of the pigment, the filler and the necessary paint auxiliary agent with the resin solution and the water is further accelerated, the mixing is more uniform, the pressure in the space-time cavity is increased, the speed of the liquid in the cavity flowing out from the opening gap is increased, the liquid in the cavity is sprayed outwards, some liquid far away from the grinding roller 3 is brought to the roller 31, the grinding dispersion and mixing of the pigment and the filler in the liquid are further accelerated, meanwhile, the rotating stirring cam 51 can stir the liquid of the side wall accessory, the mixing of the pigment, the filler and the necessary paint auxiliary agent with the resin solution and the water is further accelerated, the uniformity degree of the pigment, the filler and the necessary paint auxiliary agent in the color paste in the resin solution and the water is further improved, the quality of the color paste is further improved, and the quality of the paint is further improved; meanwhile, when the two stirring cams 51 rotate from the nearest position to the farthest position from the side wall of the box body 1 to the farthest position from the rotating center (as shown in a position b in fig. 7), the volume of a cavity formed among the two stirring cams 51, the side wall of the box body 1 and the baffle plate is gradually increased, so that the pressure in the cavity is reduced, liquid outside the cavity can enter the cavity from the opening gap, the mixing of pigment, filler and necessary paint auxiliaries with resin solution and water is accelerated, the quality of color paste is improved, and the quality of paint is improved.

As shown in fig. 3, 4, 6 and 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.

When the roller mill works, the blocking piece 55 is an elastic film, one side of the elastic film is fixedly connected to the inner wall of the box body 1, and then in the rotating process of the stirring cam 51, the elastic film is gradually extruded and deformed along with the process that the distance between the surface of the stirring cam 51 and the rotating center is from small to large, and in the process that the distance between the surface of the stirring cam 51 and the rotating center is from large to small, the elastic effect of the elastic film gradually recovers the state before deformation, so that the elastic film is always attached to the surface of the stirring cam 51, the reliability of blocking a gap between the stirring cam 51 and the inner wall of the box body 1 is further ensured, the elastic film is simple in structure, convenient to process, manufacture and install, and the manufacturing cost of the roller mill is reduced; the elastic film may be a strip structure (as shown in c in fig. 4), or an arc protrusion may be disposed in the middle of the elastic film toward one side of the stirring cam 51, the arc protrusion abuts against the surface of the stirring cam 51, one side of the arc protrusion is fixedly connected to the inner wall of the box 1, and the other side of the arc protrusion abuts against the sidewall of the box 1 (as shown in d in fig. 7).

As shown in fig. 3 and 6, a set of stirring fans 6 is arranged on the inner wall of the box 1 parallel to the grinding roller 3; the stirring fan 6 is positioned between the two groups of grinding rollers 3; the stirring fan 6 is rotatably connected to an inner wall opposite to the flow direction of the liquid.

In operation, because the rotation direction of two sets of grinding roller 3 is opposite, make the liquid between two sets of grinding roller 3 flow to a direction (as shown in e department in fig. 3 and fig. 6), through rotating stirring fan 6 and connecting on the inner wall relative with liquid flow direction, and then stirring fan 6 is pushed stirring and is rotated under the effect of liquid, the liquid that pivoted stirring fan 6 will contact with the flabellum blocks the dispersion and flows to different directions, and then increased the disorder degree of liquid in box 1, and then make by abundant dispersion in resin solution or aquatic of pigment and filler and necessary coating auxiliary agent of shearing dispersion, pivoted stirring fan 6 stirs solution simultaneously, make the mixture more even, and then improved the quality and the production efficiency of mill base, and then improved the quality and the production efficiency of coating.

As shown in fig. 3 to 8, a hopper cover 71 is hinged on the feeding hopper 2; a movable support plate 72 is arranged in the hopper; two side walls of the movable supporting plate 72, which are parallel to the axis of the roller 31, are provided with sliding grooves 721; a sliding plate 73 is arranged in the sliding groove 721; the sliding plate 73 is connected in the sliding groove 721 in a sliding manner; a spring 74 is arranged in the sliding chute 721 between the bottom of the sliding chute 721 and the side wall of the sliding plate 73; one end of the spring 74 is fixedly connected to the bottom of the sliding groove 721; the other end of the spring 74 is fixedly connected to the sliding plate 73; a scraping part 75 is arranged on one side of the feed hopper 2 on the sliding plate 73; the scraping part 75 is in contact with the side wall of the feed hopper 2; a screw 76 is arranged in the middle of the upper surface of the movable supporting plate 72; one end of the screw 76 is rotatably connected to the movable support plate 72; the other end of the screw 76 passes through the hopper cover 71; the screw 76 is in threaded connection with the hopper cover 71; a material blocking plug 77 is arranged at the discharge hole 12; the blanking plug 77 is positioned in the box body 1, and one end of the blanking plug is flush with the inner wall of the box body 1.

When the automatic color paste pouring device works, as the box body 1 is communicated with the feed hopper 2, the grinding roller 3 drives the liquid in the box body 1 to flow in a fast rotating manner, the liquid in the box body 1 can gush into the feed hopper 2 through the feed inlet 11, so that part of the liquid is in the feed hopper 2, the mixing with the liquid in the box body is reduced, the quality of color paste is poor, meanwhile, if the discharge port 12 is blocked at the outer side of the discharge port, part of the liquid is in a pipeline at the discharge port 12 when the mixed liquid is poured, the liquid in the pipeline rarely flows along with the liquid in the box body 1, the dispersion stability degree is poor, and the liquid can be mixed into the uniformly dispersed liquid to cause unevenness when the automatic color paste pouring device is opened for use; therefore, before the mixed liquid is poured, the hopper cover 71 is firstly opened, then the mixed liquid is poured into the box body 1, then the hopper cover 71 is viewed, the handle on the screw 76 is manually rotated, the screw 76 is rotated, because the screw 76 is in threaded connection with the hopper cover 71, the movable supporting plate 72 is further moved towards the feeding hole 11, the sliding plate 73 is further driven to move, the size of the end, close to the feeding hole 11, of the hopper is reduced, the side wall of the feeding hopper 2 pushes the sliding plate 73 to move towards the bottom of the sliding groove 721, the spring 74 is compressed, the scraping part 75 on the sliding plate 73 is tightly abutted to the inner wall of the feeding hopper 2 under the elastic force action of the spring 74, then the liquid adhered to the side wall of the feeding hopper 2 is completely scraped into the box body 1 through the scraping part 75, the waste of resources is reduced, meanwhile, the cleanness inside the feeding hopper 2 is guaranteed, and the screw 76 is simultaneously rotated when the bottom surface of the movable supporting plate 72 is flush with the inner wall of the box body 1 (the screw 76 can be arranged on the screw 76 Marked), thereby realizing the plugging of the feed inlet 11, ensuring that the liquid can not enter the feed hopper 2 to influence the mixing degree, simultaneously slowly filling the pipeline through the plugging plug 77, and enabling one end of the plugging plug 77 positioned in the box body 1 to be flush with the inner wall of the box body 1, thereby avoiding the liquid from entering the pipeline, further avoiding the coating quality from being unevenly influenced due to the fact that the liquid can be mixed into the evenly dispersed liquid when the device is opened for use, and simultaneously avoiding the blockage of the plugging plug 77 to block the liquid flow; the feeding hole 11 and the discharging hole 12 are blocked, so that the liquid in the box body 1 is ground, dispersed and mixed without dead angles, the quality of color paste in the box body 1 is ensured, and the quality of coating is improved.

As shown in fig. 4 and 8, the scraper 75 includes an elastic blade 751 and a sponge bar 752; the side wall of the sliding plate 73, which is positioned on one side of the inner wall of the feed hopper 2, is fixedly connected with the sponge bar 752; the sponge strips 752 are butted against the side wall of the feed hopper 2; the lower part of the sliding plate 73, which is positioned on one side of the inner wall of the feed hopper 2, is fixedly connected with the elastic shovel plate 751; the free end of the elastic shovel plate 751 abuts against the side wall of the feeding hopper 2.

The during operation, because liquid has certain consistency, hardly flow into in the box 1 after the adhesion on the inner wall, consequently scrape and drive into in the box 1 through setting up the liquid of adhesion on elasticity shovel board 751 to feeder hopper 2 inner wall, because elasticity shovel board 751 has elastic deformation ability, and then make elasticity shovel board 751 can be fine contradict with feeder hopper 2 inner wall, and then improved and scraped the effect, fixed connection sponge strip 752 on the lateral wall through being located feeder hopper 2 inner wall one side at slide 73 simultaneously, and then clear up the liquid of adhesion on further the inner wall through sponge strip 752, and then avoid having the residue of liquid on the inner wall, the cleanness of feeder hopper 2 inner wall has been guaranteed.

As shown in fig. 3 and 6, the number of the grinding protrusions 311 on the roller 31 of the grinding roller 3 decreases with the decrease of the rotation speed of the roller 31; the convex height of the grinding protrusions 311 is increased along with the decreasing of the rotating speed of the roller 31.

When the roller mill works, because the speed difference exists between the rollers 31, the moving distance of the grinding lug 311 on the roller 31 which rotates fast in unit time is large, because the viscosity degree of liquid is basically the same and the diameter of the roller 31 is also the same, the resistance to large moving distance is large, the load on the roller 31 is large, the load on the gear, the shaft and other parts which are connected with the roller and are used for transmission is large, along with the gradual reduction of the speed, the resistance to small moving distance is reduced, the load on the roller 31 is small, the stress on the whole transmission system is uneven, and the roller mill runs unstably, the resistance to high speed roller 31 is reduced by reducing the height of the grinding lug 311, the stress on each roller 31 is stable, the power part 4 for transmission runs stably, and the running stability of the roller mill is improved, and then be favorable to the grinding dispersion of pigment and filler, and then improved the quality of mill base, and then improved the quality of coating, grind the protruding 311 highly little its shearing capacity that forms simultaneously and reduce, and then the ability that roller 31 ground the dispersion reduces for it is just low to grind the efficiency of dispersion, consequently promotes the shearing capacity of roller 31's formation through increasing the quantity that grinds protruding 311, and then improves the ability that roller 31 ground the dispersion.

When the color paste preparing machine works, firstly, pigment, filler and necessary coating auxiliary agent are added into resin solution or water for mixing, then mixed liquid is poured into a box body 1 through a feed hopper 2, then a first motor 49 is controlled to rotate, then the first motor 49 drives a roller 31 with the outermost side connected with a first bevel gear 41 to rotate, then the roller 31 drives the first bevel gear 41 to rotate, the first bevel gear 41 is in meshing transmission with a second bevel gear 42, a first gear 44 is driven to rotate through a transmission shaft 43, the first gear 44 is in meshing transmission with a second gear 45, then a worm 46 is driven to rotate, the worm 46 is in meshing transmission with the worm wheel 47, then the worm wheel 47 is driven to rotate, and then the worm wheel drives the roller 31 adjacent to the outermost side to rotate and the first bevel gear 41 on a roller 31 rotating shaft to rotate, and then the second bevel gear 42, the outermost side is connected with a first bevel gear 41, and the second bevel gear 41, The first gear 44, the second gear 45, the worm 46 and the worm wheel 47 of the transmission shaft 43 drive the next roller 31 and the first bevel gear 41 to rotate, and the transmission is performed in sequence until the worm 46 drives the worm wheel 47 on the outermost roller 31 to rotate, so as to drive the outermost roller 31 to rotate, because a large transmission ratio can be provided between the worm wheel and the worm 46, a rotation speed difference exists between adjacent rollers 31, and further, the speed of all rollers 31 in the grinding roller 3 is sequentially reduced by the worm wheel 47 and the worm 46, so that the rotation speed difference is formed between the rollers, and further, a shearing action is formed between different rollers 31, and further, pigment and filler in the mixed liquid are ground and dispersed under the action of the shearing force formed between the rollers 31, because two groups of grinding rollers 3 are arranged in the box body 1, and further, the dispersion of the pigment and the filler in the liquid in the box body 1 is accelerated, thereby leading the pigment and the filler to be uniformly and stably dispersed in the resin solution or water to form stable dispersion, and because the rotating directions of the two groups of grinding rollers 3 are opposite and the high-speed end and the low-speed end are also opposite, further leading the rotation directions of the rollers 31 in the upper and lower groups of grinding rollers 3 to be opposite and the speeds to be different, further increasing the dispersion of the pigment and the filler in the liquid in the box body 1, while the opposite rotating direction of the grinding rolls 3 causes the liquid in the channels formed between the grinding rolls 3 to move in the same direction, thereby forming circulation with a channel formed between the grinding roller 3 and the inner wall of the box body 1 and further accelerating the flow of the inward liquid, further increasing the speed of the pigment and the filler which are uniformly and stably dispersed in the resin solution or the water to form stable dispersion, thereby improving the quality and the production efficiency of the color paste and further improving the quality and the production efficiency of the coating.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides an environmental protection terrace is grinding roller for coating production which characterized in that: comprises a box body (1), a feed hopper (2), a grinding roller (3) and a power component (4); a feeding hole (11) is formed in the top of the box body (1); the feed inlet (11) is fixedly connected with the feed hopper (2); the feed hopper (2) is communicated with the box body (1) through the feed inlet (11); a discharge hole (12) is formed in one side of the side wall of the box body (1) close to the bottom of the box body; 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) at least comprises three rollers (31); the rollers (31) in each group of grinding rollers (3) are uniformly arranged at intervals on the same plane; a rotating shaft of the roller (31) is rotatably connected to the side wall of the box body (1); the power component (4) is arranged on the side wall of the box body (1) at a position corresponding to the grinding roller (3); the power component (4) is used for driving the rotating speeds of all the rollers (31) in the grinding roller (3) to decrease in turn; grinding protrusions (311) are uniformly arranged on the outer cylindrical surface of the roller (31) at intervals.

2. The roller mill for producing the environment-friendly floor coating of claim 1, characterized in that: the power part (4) comprises a first bevel gear (41), a second bevel gear (42), a transmission shaft (43), a first gear (44), a second gear (45), a worm (46), a worm wheel (47), a support seat (48) and a first motor (49); one end of each of the two outermost rollers (31) in the grinding rollers (3) is fixedly connected with the first bevel gear (41) and the worm gear (47); one end of the rest of the rollers (31) is fixedly connected with the first bevel gear (41) and the worm wheel (47); the supporting seats (48) are arranged between two adjacent rollers (31) on the outer wall of the box body (1) and on the outer side of the roller (31) which is connected with the turbine on the outermost side in the grinding roller (3); the supporting seat (48) is fixedly connected to the side wall of the box body (1); the supporting seat (48) between the rollers (31) is rotationally connected with the middle part of the transmission shaft (43); two ends of the transmission shaft (43) are respectively and fixedly connected with the second bevel gear (42) and the first bevel gear (44); the second bevel gear (42) is in meshing transmission with the first bevel gear (41), and all worms (46) are arranged between the supporting seats (48); the worm (46) is rotationally connected to the supporting seat (48); the second gear (45) is fixedly connected to the worm (46); the first gear (44) is in meshed transmission with the second gear (45); the worm (46) is in meshed transmission with the worm wheel (47) between the supporting seat (48); a rotating shaft of the first motor (49) is fixedly connected to a rotating shaft of the roller (31) which is connected with the first bevel gear (41) on the outermost side; the mounting seat of the first motor (49) is fixedly connected to the side wall of the box body (1).

3. The roller mill for producing the environment-friendly floor coating of claim 2, characterized in that: the inner wall of the box body (1) is uniformly provided with the stirring cams (51) at intervals; the axis of the stirring cam (51) is parallel to the axis of the roller (31); two ends of the stirring cam (51) are rotatably connected to the side wall of the box body (1); one end of the stirring cam (51) is provided with the belt wheel (52); the belt wheel (52) is fixedly connected to a rotating shaft of the stirring cam (51); the rotation directions of two adjacent stirring cams (51) are opposite; the stirring cams (51) in the same rotating direction are driven by a synchronous belt (53); one of the outermost stirring cams (51) is in connection transmission with a second motor (54) through the synchronous belt (53) and the belt wheel (52); and the mounting seat of the second motor (54) is fixedly connected to the box body (1).

4. The roller mill for producing the environment-friendly floor coating of claim 3, characterized in that: a blocking piece (55) is arranged on the inner wall of the box body (1) at a position corresponding to the stirring cam (51); one side of the baffle piece (55) is connected to the inner wall of the box body (1); the other side of the baffle piece (55) is always kept in surface contact with the stirring cam (51).

5. The roller mill for producing the environment-friendly floor coating of claim 4, characterized in that: the barrier piece (55) is an elastic film; one side of the elastic soft sheet is fixedly connected to the inner wall of the box body (1).

6. The roller mill for producing the environment-friendly floor coating of claim 5, characterized in that: a group of stirring fans (6) are arranged on the inner wall of the box body (1) parallel to the grinding roller (3); the stirring fan (6) is positioned between the two groups of grinding rollers (3); the stirring fan (6) is rotatably connected to the inner wall opposite to the liquid flowing direction.

7. The roller mill for producing the environment-friendly floor coating of claim 6, characterized in that: a hopper cover (71) is hinged to the feed hopper (2); a movable support plate (72) is arranged in the hopper; two side walls of the movable supporting plate (72) parallel to the axis of the roller (31) are provided with sliding grooves (721); a sliding plate (73) is arranged in the sliding groove (721); the sliding plate (73) is connected in the sliding groove (721) in a sliding way; a spring (74) is arranged between the bottom of the sliding chute (721) and the side wall of the sliding plate (73) in the sliding chute (721); one end of the spring (74) is fixedly connected to the bottom of the sliding groove (721); the other end of the spring (74) is fixedly connected to the sliding plate (73); a scraping part (75) is arranged on one side of the feed hopper (2) on the sliding plate (73); the scraping part (75) is contacted with the side wall of the feed hopper (2); a screw (76) is arranged in the middle of the upper surface of the movable supporting plate (72); one end of the screw rod (76) is rotationally connected to the movable support plate (72); the other end of the screw (76) penetrates through the hopper cover (71); the screw (76) is in threaded connection with the hopper cover (71); a material blocking plug (77) is arranged at the discharge hole (12); the blocking plug (77) is positioned at one end in the box body (1) and is flush with the inner wall of the box body (1).

8. The roller mill for producing the environment-friendly floor coating of claim 7, characterized in that: the scraping part (75) comprises an elastic shovel plate (751) and a sponge strip (752); the side wall of the sliding plate (73) positioned on one side of the inner wall of the feed hopper (2) is fixedly connected with the sponge strip (752); the sponge strip (752) is abutted against the side wall of the feed hopper (2); the lower part of the sliding plate (73) positioned on one side of the inner wall of the feed hopper (2) is fixedly connected with the elastic shovel plate (751); the free end of the elastic shovel plate (751) is abutted against the side wall of the feed hopper (2).

9. The roller mill for producing the environment-friendly floor coating of claim 8, characterized in that: the number of the grinding bulges (311) on the roller (31) in the grinding roller (3) is reduced along with the reduction of the rotating speed of the roller (31); the convex height of the grinding protrusions (311) is increased along with the decreasing of the rotating speed of the roller (31).