阅读说明：本技术 一种水性环氧地坪涂料及其制备工艺 (Water-based epoxy floor coating and preparation process thereof ) 是由 黄壮浩 于 2021-09-06 设计创作，主要内容包括：本发明属于水性环氧地坪技术领域,具体的说是一种水性环氧地坪涂料及其制备工艺,S1：将滑石粉、钛白粉和沉淀硫酸钡分别放置在研磨装置内进行研磨筛选成粉,然后收集备用；S2：将S1研磨后的物料和消泡剂、膨润土、固定化剂、去离子水和水,混合高速搅拌均匀,搅拌时间为10-15min；S3：在将水性环氧树脂放入S2中搅拌均匀的物料内,在通过高速搅拌均匀,搅拌时间为15-20min,然后再将速干剂投入,高速旋转15-20min,保证物料搅拌均匀,取出物料,密封收集,即制的成品水性环氧地坪涂料；本发明提供一种水性环氧地坪涂料及其制备工艺,以解决水性环氧地坪涂料在铺设过程中,干燥固化时间较长,降低了铺设的整体工作效率,浪费工作人员的工作时间的问题。(The invention belongs to the technical field of waterborne epoxy terrace, in particular to a waterborne epoxy terrace coating and a preparation process thereof, S1: respectively placing the talcum powder, the titanium dioxide and the precipitated barium sulfate into a grinding device for grinding and screening into powder, and then collecting for later use; s2: mixing the ground material of S1 with defoamer, bentonite, fixing agent, deionized water and water, stirring uniformly at high speed for 10-15 min; s3: putting the waterborne epoxy resin into the uniformly stirred material in S2, uniformly stirring at a high speed for 15-20min, then putting the quick-drying agent into the material, rotating at a high speed for 15-20min to ensure that the material is uniformly stirred, taking out the material, sealing and collecting to obtain the finished waterborne epoxy floor coating; the invention provides a water-based epoxy floor coating and a preparation process thereof, and aims to solve the problems that the water-based epoxy floor coating is long in drying and curing time in the laying process, the overall working efficiency of laying is reduced, and the working time of workers is wasted.)

1. The water-based epoxy floor coating is characterized by comprising the following raw materials in parts by weight:

100 portions of waterborne epoxy resin and 120 portions of waterborne epoxy resin

0.3 to 0.8 portion of defoaming agent

13-18 parts of talcum powder

Precipitated barium sulfate 120-130 parts

10-20 parts of bentonite

Curing agent 150 and 180 parts

10-12 parts of titanium dioxide

20-30 parts of deionized water

10-20 parts of quick-drying agent

100 portions of water and 110 portions of water.

2. The water-based epoxy floor coating of claim 1, wherein the quick-drying agent is composed of the following raw materials in parts by weight:

10-20 parts of styrene-butadiene latex

13-15 parts of hydrogen peroxide

2-3 parts of polyvinyl alcohol

5-7 parts of urea.

3. A process for preparing an aqueous epoxy floor coating, which is suitable for use in the aqueous epoxy floor coating of claims 1-2, characterized in that: the process comprises the following steps:

s1: respectively placing the talcum powder, the titanium dioxide and the precipitated barium sulfate into a grinding device for grinding and screening into powder, and then collecting for later use;

s2: mixing the ground material of S1 with defoamer, bentonite, fixing agent, deionized water and water, stirring uniformly at high speed for 10-15 min;

s3: and (3) putting the waterborne epoxy resin into the uniformly stirred material in the S2, uniformly stirring at a high speed for 15-20min, then putting the quick-drying agent into the material, rotating at a high speed for 15-20min to ensure that the material is uniformly stirred, taking out the material, sealing and collecting to obtain the finished waterborne epoxy floor coating.

4. The preparation process of a water-based epoxy floor coating according to claim 3, characterized in that the grinding device comprises a housing (1); a group of bottom columns is fixedly connected to the bottom end of the shell (1); the cross section of the bottom end of the shell (1) is in an inverted trapezoid shape; a feed inlet (11) is formed in the center of the top end of the shell (1); a discharge hole (12) is formed in the center of the bottom end of the shell (1); a grinding seat (13) is fixedly connected to the inner wall of the shell (1); a pair of symmetrical hydraulic cylinders (19) is fixedly connected to the top end of the shell (1); a hydraulic rod (191) is arranged in the hydraulic cylinder (19); a conical column (17) is fixedly connected to the center of the shell (1); a pair of symmetrical supporting columns (18) is fixedly connected to the side wall of the conical column (17); the bottom end of the hydraulic rod (191) is fixedly connected to the supporting column (18); the bottom end of the conical column (17) is fixedly connected with a motor (16); the output end of the motor (16) is fixedly connected with a first rotating shaft (15); a grinding ball (14) is fixedly connected to the end part of the first rotating shaft (15) far away from the motor (16); the grinding balls (14) are semicircular spheres, and the top ends of the grinding balls are conical; the grinding seat (13) is an arc seat corresponding to the grinding ball (14); and a discharge hole (141) is formed in the grinding seat (13).

5. The preparation process of the water-based epoxy floor coating according to claim 4, wherein the bottom end of the grinding ball (14) is connected with the coupling piece (2) in a sliding way, and the coupling piece (2) is connected to the center of the grinding seat (13) in a rotating way; the grinding ball (14) is fixedly connected with a group of stirring plates (25) through a connecting piece (2); the bottom end of the stirring plate (25) slides on the inner surface of the grinding seat (13); the bottom end of the grinding ball (14) is provided with an arc-shaped groove (26) relative to the stirring plate (25); the depth of the arc-shaped groove (26) is the same as the thickness of the stirring plate (25).

6. The preparation process of a water-based epoxy floor coating according to claim 5, characterized in that the coupling member (2) comprises a first groove (21) and a second rotating shaft (22); the first groove (21) is formed in the center of the bottom end of the grinding ball (14); the bottom end of the second rotating shaft (22) is rotatably connected to the center of the grinding seat (13); the stirring plates (25) are uniformly and fixedly connected to the side wall of the second rotating shaft (22); a group of first sliding grooves (23) are uniformly formed in the inner wall of the first groove (21); a group of sliding plates (24) are fixedly connected to the shaft wall of the second rotating shaft (22) at the positions corresponding to the first sliding grooves (23); the sliding plate (24) is connected in a sliding way in the first sliding chute (23).

7. The preparation process of the water-based epoxy floor coating according to claim 6, wherein the cross section of the top end of the stirring plate (25) is triangular; a group of second sliding grooves (27) are formed in the two side walls of the arc-shaped groove (26); the second sliding groove (27) is a snake-shaped groove.

8. The preparation process of the water-based epoxy floor coating according to claim 7, wherein the bottom end of the stirring plate (25) is provided with a second groove (3); a group of third grooves (31) are formed in the side wall of the top end of the second groove (3); the third groove (31) corresponds to the discharge hole (141), and the inner diameters of the third groove and the discharge hole are the same; a moving block (32) is fixedly connected to the side wall of the top end of the third groove (31) through a spring; the moving block (32) is connected in the third groove (31) in a sliding manner; the moving block (32) is internally provided with a pushing piece (33), and the moving block (32) is connected with a group of soft hair brushes (34) through the pushing piece (33).

9. The process for preparing an aqueous epoxy floor coating according to claim 8, wherein the pushing member (33) comprises a fourth recess (331); the fourth groove (331) is formed in the side wall of the bottom end of the moving block (32); an elastic arch film (332) is fixedly connected to the side wall of the opening of the fourth groove (331); the curved surface of the elastic arched membrane (332) faces the second groove (3); an arch plate (333) is fixedly connected to the side wall of the top end of the fourth groove (331) through a spring; the arched plate (333) is connected with the side wall of the fourth groove (331) in a sliding mode, and the arched plate (333) faces to the opposite direction of the elastic arched membrane (332) and is in contact with the elastic arched membrane.

10. The preparation process of the water-based epoxy floor coating according to claim 9, wherein the side wall of the top end of the first groove (21) is fixedly connected with an air bag (4); a first cavity (41) is formed in the top end of the grinding ball (14); the air bag (4) is communicated with the first cavity (41) through a first hose; a first air outlet hole (42) is formed in the side wall, close to the outer wall of the top end of the grinding ball (14), of the first cavity (41); the first air outlet hole (42) is communicated with the first cavity (41) and the outside of the grinding ball (14); an elastic folding film (421) is fixedly connected to the inner wall of the first air outlet (42) close to the opening; the elastic folding film (421) is provided with a group of second air outlet holes (422).

Technical Field

The invention belongs to the technical field of water-based epoxy terrace, and particularly relates to a water-based epoxy terrace coating and a preparation process thereof.

Background

Coatings using water as a solvent or as a dispersion medium may be referred to as waterborne coatings. Aqueous coatings are divided into two broad categories depending on the binder class in the coating: natural water paint of natural substance or mineral substance and petrochemical water paint of synthetic resin. The water paint includes 3 kinds of water soluble paint, water thinned paint and water dispersed paint. The water-soluble paint is a film-forming material represented by a water-soluble resin, polyvinyl alcohol and various modified materials thereof, and further comprises a water-soluble alkyd resin, a water-soluble epoxy resin, an inorganic polymer water-based resin and the like.

In the prior art, the water-based epoxy floor coating has longer drying and curing time in the laying process, reduces the overall working efficiency of laying and wastes the working time of workers, so that the invention provides the water-based epoxy floor coating and the preparation process thereof.

Disclosure of Invention

In order to make up for the defects of the prior art and solve the problems that the drying and curing time is longer, the overall work efficiency of laying is reduced and the work time of workers is wasted in the laying process of the water-based epoxy floor coating, the invention provides the water-based epoxy floor coating and the preparation process thereof.

The technical scheme adopted by the invention for solving the technical problems is as follows: a water-based epoxy floor coating is composed of the following raw materials in parts by weight:

100 portions of waterborne epoxy resin and 120 portions of waterborne epoxy resin

0.3 to 0.8 portion of defoaming agent

13-18 parts of talcum powder

Precipitated barium sulfate 120-130 parts

10-20 parts of bentonite

Curing agent 150 and 180 parts

10-12 parts of titanium dioxide

20-30 parts of deionized water

10-20 parts of quick-drying agent

100 portions of water and 110 portions of water.

Preferably, the quick-drying agent consists of the following raw materials in parts by weight:

10-20 parts of styrene-butadiene latex

13-15 parts of hydrogen peroxide

2-3 parts of polyvinyl alcohol

5-7 parts of urea.

A preparation process of a water-based epoxy floor coating is suitable for the water-based epoxy floor coating, and the process method comprises the following steps:

s1: respectively placing the talcum powder, the titanium dioxide and the precipitated barium sulfate into a grinding device for grinding and screening into powder, and then collecting for later use;

s2: mixing the ground material of S1 with defoamer, bentonite, fixing agent, deionized water and water, stirring uniformly at high speed for 10-15 min;

s3: and (3) putting the waterborne epoxy resin into the uniformly stirred material in the S2, uniformly stirring at a high speed for 15-20min, then putting the quick-drying agent into the material, rotating at a high speed for 15-20min to ensure that the material is uniformly stirred, taking out the material, sealing and collecting to obtain the finished waterborne epoxy floor coating.

Preferably, the grinding device comprises a housing; a group of bottom posts are fixedly connected to the bottom end of the shell; the cross section of the bottom end of the shell is in an inverted trapezoid shape; a feed inlet is formed in the center of the top end of the shell; a discharge hole is formed in the center of the bottom end of the shell; a grinding seat is fixedly connected to the inner wall of the shell; a pair of symmetrical hydraulic cylinders is fixedly connected to the top end of the shell; a hydraulic rod is arranged in the hydraulic cylinder; a conical column is fixedly connected to the center of the shell; a pair of symmetrical support columns is fixedly connected to the side wall of the conical column; the bottom end of the hydraulic rod is fixedly connected to the support column; the bottom end of the conical column is fixedly connected with a motor; the output end of the motor is fixedly connected with a first rotating shaft; the end part of the first rotating shaft, which is far away from the motor, is fixedly connected with a grinding ball; the grinding ball is a semicircular ball body, and the top end of the grinding ball is in a conical shape; the grinding seat is an arc seat corresponding to the grinding ball; a discharge hole is formed in the grinding seat; during operation, solid-state materials such as sediment barium sulfate drop into the casing from the feed inlet, some polymerization at a group's material are broken in advance to the pointed end through the toper post, drop again in grinding the seat, motor and pneumatic cylinder start this moment, the motor is rotatory to drive first axis of rotation and is rotated, first axis of rotation rotates and drives the grinding ball and rotate, the pneumatic cylinder drives the hydraulic stem downstream, the hydraulic stem passes through the support column and drives the motor and move down, grinding ball pushes down on one side rotatory this moment, grind solid-state material, in the course of grinding, pulverous material can follow the discharge opening and flow out, collecting through the discharge gate, the rotatory extrusion through the grinding ball, can more abundant grinding solid-state material, guarantee that the material after grinding accords with quality standard.

Preferably, a connecting piece is connected to the bottom end of the grinding ball in a sliding manner, and the connecting piece is rotatably connected to the center of the grinding seat; the grinding balls are fixedly connected with a group of stirring plates through connecting pieces; the bottom end of the stirring plate slides on the inner surface of the grinding seat; the bottom end of the grinding ball is provided with an arc-shaped groove relative to the stirring plate; the depth of the arc-shaped groove is the same as the thickness of the stirring plate; when the grinding machine works, the grinding balls rotate to drive the stirring plate to rotate in the grinding seat, the stirring plate can break some large solid materials in the grinding seat in advance in the rotating process, the materials in the grinding seat can also be uniformly distributed, the grinding balls move up and down on the connecting piece, the rotation of the stirring plate is not influenced in the moving process, when the grinding balls extrude the materials to be tightly attached to the grinding seat, the stirring plate enters the arc-shaped groove, the downward pressing of the grinding balls cannot be influenced, and when the grinding balls are compressed, the ground materials can rotate in the grinding seat along with the grinding balls, the ground powder materials are in a compressed state and are not easy to flow out from the discharge hole, so that after the grinding is finished, the hydraulic rod moves up, the grinding balls are separated from the material contact state, the stirring plate continuously rotates along with the grinding balls, the compressed state of the materials is dispersed, the materials are in a loose state, and the materials are quickly discharged from the discharge hole in the stirring plate of the stirring plate, and the setting of toper post can guarantee that the material evenly drops in the region between the stirring.

Preferably, the coupling member includes a first groove and a second rotation shaft; the first groove is formed in the center of the bottom end of the grinding ball; the bottom end of the second rotating shaft is rotatably connected to the center of the grinding seat; a group of stirring plates are uniformly and fixedly connected on the side wall of the second rotating shaft; a group of first sliding grooves are uniformly formed in the inner wall of the first groove; a group of sliding plates are fixedly connected to the wall of the second rotating shaft at the positions corresponding to the first sliding grooves; the sliding plate is connected in the first sliding groove in a sliding manner; when in work; second axis of rotation bottom is rotated and is connected on grinding the seat, and the second axis of rotation passes through in the first spout of slide sliding connection, it is rotatory to drive the second axis of rotation when the lapping ball is rotatory, the rotatory drive of second axis of rotation stirs the board and rotates, and the lapping ball pushes down the in-process, the second axis of rotation can pass through the slide of slide at first spout, slide in the first recess, it follows the lapping ball simultaneous movement to have guaranteed through the connector to stir the board, guarantee the lapping ball and pushing down the in-process, can just in time cover and stir the board, can not influence grinder's grinding effect.

Preferably, the cross section of the top end of the stirring plate is triangular; a group of second sliding grooves are formed in the two side walls of the arc-shaped groove; the second groove is a snake-shaped groove; during operation, the grinding ball pushes down rotatory in-process, some that are full of in the arc wall do not grind abundant material, and the material can obstruct the arc wall and cover and stir the board, can lead to grinding the unable push down of grinding ball, let whole material grind not enough, so stir board top position triangle end, in stirring the board and getting into the arc wall, the triangle pointed end can part the material of arc wall, to the both sides motion, great material can be by the extrusion breakage, second spout landing through the S-shaped, and the second spout of S-shaped avoids pushing down the in-process at the grinding ball, the material gets into in the second spout bottom of S-shaped enters.

Preferably, the bottom end of the stirring plate is provided with a second groove; a group of third grooves are formed in the side wall of the top end of each second groove; the third groove corresponds to the discharge hole and has the same inner diameter; a moving block is fixedly connected to the side wall of the top end of the third groove through a spring; the moving block is connected in the third groove in a sliding manner; a pushing piece is arranged in the moving block, and the moving block is connected with a group of soft brushes through the pushing piece; the during operation does not prevent that the discharge gate from being blockked up by the material after grinding, when the stirring board was rotatory, the movable block can pop out from the second recess under the effect of centrifugal force this moment, and the movable block pops out and can drive the pappus brush and remove, and at rotatory in-process, the pappus brush can stretch into in the discharge gate at rotatory in-process, clears up the material of discharge gate department, guarantees that the discharge gate can not blockked up by the material, has also accelerated the ejection of compact speed of material.

Preferably, the pusher comprises a fourth recess; the fourth groove is formed in the side wall of the bottom end of the moving block; an elastic arch film is fixedly connected to the side wall of the opening of the fourth groove; the curved surface of the elastic arched film faces the second groove; an arch plate is fixedly connected to the side wall of the top end of the fourth groove through a spring; the arch-shaped plate is connected to the side wall of the fourth groove in a sliding manner, and the orientation of the arch-shaped plate is opposite to that of the elastic arch film and the arch-shaped plate and the elastic arch film are in contact with each other; the during operation, the movable block outwards removes, when driving the pappus brush and clearing up the discharge opening, arch plate was also outwards removed under the effect of centrifugal force this moment, remove the in-process, arch plate can promote elasticity hunch membrane and outwards expand, let the pappus brush be in and open the state, increase clearance area, the pappus brush process that stretches into the discharge opening moreover opens, can clear up the inner wall of discharge opening, the lateral wall of assurance discharge opening also is in the state that no material bonded always, the ejection of compact speed of the material of further acceleration.

Preferably, an air bag is fixedly connected to the side wall of the top end of the first groove; a first cavity is formed in the top end of the grinding ball; the air bag is communicated with the first cavity through a first hose; a first air outlet hole is formed in the side wall, close to the outer wall of the top end of the grinding ball, of the first cavity; the first air outlet is communicated with the first cavity and the outside of the grinding ball; an elastic folding film is fixedly connected to the inner wall of the first air outlet hole close to the opening; a group of second air outlet holes are formed in the elastic folding film; when the grinding ball is in work, when materials are placed, some material residues can be generated by the tip of the conical body when the materials fall on the shell grinding seat, some material residues can fall on the top end of the grinding ball, the first air outlet hole is formed in the top end of the grinding ball, the material residues are beneficial to removing the bonding materials, but some material residues can directly fall in the first air outlet hole and are accumulated in the first cavity, and the situation that the local first air outlet hole on the first cavity is blocked easily due to long-time accumulation is caused. Gas is given vent to anger from the second venthole again, and the elasticity of propping is rolled over the membrane and can be directly propped the fine crushing material of bonding, plays outside parabolic effect, conveniently clears away the material residue, guarantees the clean and tidy on grinding ball top.

The invention has the following beneficial effects:

1. according to the water-based epoxy floor coating and the preparation process thereof, the drying and curing time of the water-based epoxy floor coating prepared by adding the quick-drying agent is shorter, the laying rate of the water-based epoxy floor coating is accelerated, and the working time is saved.

2. According to the water-based epoxy floor coating and the preparation process thereof, the grinding balls and the stirring plate are matched with each other, so that solid materials are ground more fully, the grinding quality is ensured, the blanking rate of the ground materials is ensured, and the grinding time is saved.

3. According to the water-based epoxy floor coating and the preparation process thereof, the soft brush can extend into the discharge hole in the rotation process of the stirring plate, so that the material at the discharge hole is cleaned, the discharge hole is prevented from being blocked by the material, and the discharge rate of the material is accelerated.

Drawings

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

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a top view of the area A-A of FIG. 2;

FIG. 4 is a perspective view of a second rotating shaft;

FIG. 5 is a top view of the connector;

FIG. 6 is a schematic view of the arcuate slot and paddle contacting;

FIG. 7 is a cross-sectional view of the paddle;

FIG. 8 is an enlarged view of area B of FIG. 7;

FIG. 9 is a partial cross-sectional view of a grinding ball;

FIG. 10 is a cross-sectional view of a first outlet aperture;

FIG. 11 is a schematic view of a process for preparing an aqueous epoxy floor coating;

in the figure: 1. a housing; 11. a feed inlet; 12. a discharge port; 13. a grinding seat; 14. grinding balls; 141. a discharge hole; 15. a first rotating shaft; 16. an electric motor; 17. a tapered post; 18. a support pillar; 19. a hydraulic cylinder; 191. a hydraulic lever; 2. a coupling member; 21. a first groove; 22. a second rotating shaft; 23. a first chute; 24. a slide plate; 25. a stirring plate; 26. an arc-shaped slot; 27. a second chute; 3. a second groove; 31. a third groove; 32. a moving block; 33. a pusher member; 331. a fourth groove; 332. an elastic arched film; 333. an arch plate; 34. a soft brush; 4. an air bag; 41. a first cavity; 42. a first air outlet hole; 421. elastically folding the film; 422. and a second air outlet.

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.

Specific examples are given below.

Example one

A water-based epoxy floor coating is composed of the following raw materials by weight: 100-120 parts of water-based epoxy resin, 0.3-0.8 part of defoaming agent, 13-18 parts of talcum powder, 120-130 parts of precipitated barium sulfate, 10-20 parts of bentonite, 150-180 parts of curing agent, 10-12 parts of titanium dioxide, 20-30 parts of deionized water, 10-13 parts of quick drying agent and 110 parts of water; wherein the quick-drying agent comprises 10-20 parts of styrene-butadiene latex, 13-15 parts of hydrogen peroxide, 2-3 parts of polyvinyl alcohol and 5-7 parts of urea.

Producing each raw material according to a preparation process, selecting 2m by 2m foundation, paving, and checking the drying time of the coating.

Example two

A water-based epoxy floor coating is composed of the following raw materials by weight: 100-120 parts of water-based epoxy resin, 0.3-0.8 part of defoaming agent, 13-18 parts of talcum powder, 120-130 parts of precipitated barium sulfate, 10-20 parts of bentonite, 150-180 parts of curing agent, 10-12 parts of titanium dioxide, 20-30 parts of deionized water, 13-16 parts of quick drying agent and 110 parts of water; wherein the quick-drying agent comprises 10-20 parts of styrene-butadiene latex, 13-15 parts of hydrogen peroxide, 2-3 parts of polyvinyl alcohol and 5-7 parts of urea.

Producing each raw material according to a preparation process, selecting 2m by 2m foundation, paving, and checking the drying time of the coating.

EXAMPLE III

A water-based epoxy floor coating is composed of the following raw materials by weight: 100-120 parts of water-based epoxy resin, 0.3-0.8 part of defoaming agent, 13-18 parts of talcum powder, 120-130 parts of precipitated barium sulfate, 10-20 parts of bentonite, 150-180 parts of curing agent, 10-12 parts of titanium dioxide, 20-30 parts of deionized water, 16-20 parts of quick drying agent and 110 parts of water; wherein the quick-drying agent comprises 10-20 parts of styrene-butadiene latex, 13-15 parts of hydrogen peroxide, 2-3 parts of polyvinyl alcohol and 5-7 parts of urea.

Producing each raw material according to a preparation process, selecting 2m by 2m foundation, paving, and checking the drying time of the coating.

The use effect of the obtained waterborne epoxy floor coating is shown in table 1.

	Drying time of water-based epoxy floor coating
		Example 1	6h
Example 2	5.5h
		Example 3	4h

TABLE 1

Through the examples 1-3, the drying and curing time of the prepared waterborne epoxy floor coating is shorter along with the increase of the amount of the quick-drying agent, the laying rate of the waterborne epoxy floor coating is accelerated, and the working time is saved, so that the formula is reasonable, the materials are convenient to obtain, and the effect of reducing the construction time is proved.

As shown in fig. 1 to 11, the grinding device of the present invention comprises a housing 1; a group of bottom posts is fixedly connected to the bottom end of the shell 1; the cross section of the bottom end of the shell 1 is in an inverted trapezoid shape; a feed inlet 11 is formed in the center of the top end of the shell 1; a discharge hole 12 is formed in the center of the bottom end of the shell 1; a grinding seat 13 is fixedly connected to the inner wall of the shell 1; a pair of symmetrical hydraulic cylinders 19 is fixedly connected to the top end of the shell 1; a hydraulic rod 191 is arranged in the hydraulic cylinder 19; a conical column 17 is fixedly connected to the center of the shell 1; a pair of symmetrical support columns 18 is fixedly connected to the side wall of the conical column 17; the bottom end of the hydraulic rod 191 is fixedly connected to the supporting column 18; the bottom end of the conical column 17 is fixedly connected with a motor 16; the output end of the motor 16 is fixedly connected with a first rotating shaft 15; a grinding ball 14 is fixedly connected to the end part of the first rotating shaft 15 far away from the motor 16; the grinding balls 14 are semicircular spheres, and the top ends of the grinding balls are conical; the grinding seat 13 is an arc seat corresponding to the grinding ball 14; a discharge hole 141 is formed in the grinding seat 13; during operation, solid materials such as precipitated barium sulfate are thrown into the shell 1 from the feed inlet 11, the materials aggregated into a lump are firstly crushed by the tip of the conical column 17 and then fall into the grinding seat 13, the motor 16 and the hydraulic cylinder 19 are started at the moment, the motor 16 rotates to drive the first rotating shaft 15 to rotate, the first rotating shaft 15 rotates to drive the grinding balls 14 to rotate, the hydraulic cylinder 19 drives the hydraulic rod 191 to move downwards, the hydraulic rod 191 drives the motor 16 to move downwards through the support column 18, the grinding balls 14 rotate and press downwards at the same time to grind the solid materials, in the grinding process, the powdery materials can flow out from the discharge hole 141 and are collected through the discharge hole 12, the solid materials can be ground more fully through the rotary extrusion of the grinding balls 14, and the ground materials are guaranteed to meet the quality standard.

As an embodiment of the invention, a coupling member 2 is slidably connected in the bottom end of the grinding ball 14, and the coupling member 2 is rotatably connected at the center of the grinding seat 13; the grinding ball 14 is fixedly connected with a group of stirring plates 25 through a connecting piece 2; the bottom end of the stirring plate 25 slides on the inner surface of the grinding seat 13; the bottom end of the grinding ball 14 is provided with an arc-shaped groove 26 opposite to the stirring plate 25; the depth of the arc-shaped groove 26 is the same as the thickness of the stirring plate 25; during operation, the grinding balls 14 rotate to drive the stirring plate 25 to rotate in the grinding seat 13, the stirring plate can break some large solid materials in the grinding seat 13 in advance during rotation, the materials in the grinding seat can also be uniformly distributed, the grinding balls 14 move up and down on the connecting piece 2, the rotation of the stirring plate 25 is not influenced during moving down, when the grinding balls 14 extrude the materials to be tightly attached to the grinding seat 13, the stirring plate 25 enters the arc-shaped groove 26 at the moment, the downward pressing of the grinding balls 14 is not influenced, and during pressing, the ground materials can rotate in the grinding seat 13 along with the grinding balls 14, the ground powder materials are in a pressing state and are not easy to flow out from the discharge hole 141, so that after grinding, the hydraulic rod 191 moves up, at the moment, the grinding balls 14 are separated from the material contact state, the stirring plate 25 continues to rotate along with the grinding balls 14, the compaction state of the materials is loosened, and the materials are in a loose state, the rapid discharge from the discharge opening 141 takes place in the stirring plate 25 of the stirring plate 25, and the conical column 17 is set up to ensure that the material falls uniformly in the region between the stirrings.

As an embodiment of the present invention, the coupling 2 includes a first groove 21 and a second rotation shaft 22; the first groove 21 is formed in the center of the bottom end of the grinding ball 14; the bottom end of the second rotating shaft 22 is rotatably connected to the center of the grinding seat 13; a group of the stirring plates 25 are uniformly and fixedly connected on the side wall of the second rotating shaft 22; a group of first sliding grooves 23 are uniformly formed in the inner wall of the first groove 21; a group of sliding plates 24 are fixedly connected to the opposite positions of the second rotating shaft 22 on the shaft wall relative to the first sliding groove 23; the sliding plate 24 is connected in the first sliding chute 23 in a sliding manner; when in work; second axis of rotation 22 bottom is rotated and is connected on grinding seat 13, and second axis of rotation 22 passes through in the first spout 23 of slide 24 sliding connection, it is rotatory to drive second axis of rotation 22 when grinding ball 14 is rotatory, the rotatory board 25 that stirs that drives of second axis of rotation 22 is rotatory, and grinding ball 14 pushes down the in-process, second axis of rotation 22 can pass through slide 24 at the slip of first spout 23, slide in first recess 21, it follows grinding ball 14 synchronous motion to have guaranteed to stir board 25 through connector 2, guarantee that grinding ball 14 pushes down the in-process, can just in time cover and stir board 25, can not influence grinder's grinding effect.

As an embodiment of the present invention, the cross section of the top end of the stirring plate 25 is triangular; a group of second sliding grooves 27 are formed in the two side walls of the arc-shaped groove 26; the second sliding groove 27 is a snake-shaped groove; in operation, the rotatory in-process is pushed down to ball 14, some that are full of in the arc wall 26 do not grind abundant material, and the material can hinder arc wall 26 to cover and stir board 25, can lead to grinding ball 14 can not push down, it is not enough to let whole material grind, so stir board 25 top position triangle end, in stirring board 25 entering arc wall 26, the triangle pointed end can part the material of arc wall 26, to the both sides motion, great material can be extruded breakage, second spout 27 landing through the S-shaped, and the second spout 27 of S-shaped avoids pushing down the in-process at ball 14, the material gets into in the second spout 27 bottom of S-shaped enters.

As an embodiment of the present invention, the bottom end of the stirring plate 25 is provided with a second groove 3; a group of third grooves 31 are formed in the side wall of the top end of the second groove 3; the third groove 31 corresponds to the discharge hole 141 and has the same inner diameter; a moving block 32 is fixedly connected to the side wall of the top end of the third groove 31 through a spring; the moving block 32 is connected in the third groove 31 in a sliding manner; a pushing part 33 is arranged in the moving block 32, and the moving block 32 is connected with a group of soft hair brushes 34 through the pushing part 33; the during operation, the material jam after the discharge gate 12 is ground is not prevented, when stirring board 25 is rotatory, this moment under the effect of centrifugal force the movable block 32 can pop out from second recess 3 in, the movable block 32 pops out and can drive pappus brush 34 and remove, at rotatory in-process, pappus brush 34 can stretch into discharge opening 141 in rotatory in-process, clear up the material of discharge opening 141 department, guarantee that discharge opening 141 can not blockked up by the material, also accelerated the discharge rate of material.

As an embodiment of the present invention, the pushing member 33 includes a fourth recess 331; the fourth groove 331 is formed in the side wall of the bottom end of the moving block 32; an elastic arch film 332 is fixedly connected to the side wall of the opening of the fourth groove 331; the elastic arch film 332 is curved towards the second groove 3; an arch plate 333 is fixedly connected to the side wall of the top end of the fourth groove 331 through a spring; the arched plate 333 is slidably connected to the side wall of the fourth recess 331, and the arched plate 333 is opposite to the elastic arched membrane 332 in orientation and contacts with each other; the during operation, the movable block 32 outwards removes, when driving the scrubbing brush 34 and clearing up discharge opening 141, arch plate 333 is under the effect of centrifugal force this moment, also outwards remove, remove the in-process, arch plate 333 can promote elasticity hunch membrane 332 and outwards expand, let scrubbing brush 34 be in the state of opening, increase clearance area, and the scrubbing brush 34 process that stretches into discharge opening 141 opens, can clear up the inner wall of discharge opening 141, guarantee that discharge opening 141's lateral wall also is in the state that no material bonds always, the discharge rate of the material of further accelerating.

As an embodiment of the present invention, an air bag 4 is fixedly connected to a side wall of a top end of the first groove 21; a first cavity 41 is formed in the top end of the grinding ball 14; the air bag 4 is communicated with the first cavity 41 through a first hose; a first air outlet hole 42 is formed in the side wall of the first cavity 41 close to the outer wall of the top end of the grinding ball 14; the first air outlet 42 is communicated with the first cavity 41 and the grinding balls 14; an elastic folding film 421 is fixedly connected to the inner wall of the first air outlet 42 close to the opening; the elastic folding film 421 is provided with a group of second air outlet holes 422; when the grinding device works, when materials are placed, some material residues can be generated by the tip of the conical body when the materials fall on the grinding seat 13 of the shell 1, some material residues can fall on the top end of the grinding ball 14, the first air outlet hole 42 is formed in the top end of the grinding ball 14, and the adhered materials can be cleaned, but some material residues can directly fall in the first air outlet hole 42 and are accumulated in the first cavity 41, and the blockage of the local first air outlet hole 42 on the first cavity 41 is easily caused due to long-time accumulation, in the grinding device, the elastic folding film 421 is fixedly connected to the inner wall of the opening of the first air outlet hole 42, the elastic folding film 421 is provided with a group of second air outlet holes 422, the elastic folding film 421 is provided with folds, the finely-crushed materials can fall on the elastic folding film 421, the folds have a certain inclination, the situation that the second air outlet holes 422 are blocked cannot occur, when the air bag 4 is extruded, the gas can prop up whole elasticity earlier and roll over membrane 421, and gas is given vent to anger from second venthole 422 again, and the elasticity that props up rolls over membrane 421 and can directly prop the fine crushing material of bonding, plays outside parabolic effect, conveniently clears away the material residue, guarantees the clean and tidy on grinding ball 14 top.

The working principle is as follows: when the grinding machine works, solid materials such as precipitated barium sulfate and the like are put into the shell 1 from the feeding hole 11, the materials aggregated into a lump are firstly crushed by the tip of the conical column 17 and then fall into the grinding seat 13, the motor 16 and the hydraulic cylinder 19 are started at the moment, the motor 16 rotates to drive the first rotating shaft 15 to rotate, the first rotating shaft 15 rotates to drive the grinding balls 14 to rotate, the grinding balls 14 rotate to slide in the first chute 23 through the sliding plate 24 to drive the second rotating shaft 22 to rotate, the second rotating shaft 22 rotates to drive the stirring plate 25 to stir the solid materials so as to homogenize the distribution of the solid materials, the hydraulic cylinder 19 drives the hydraulic rod 191 to move downwards, the hydraulic rod 191 drives the motor 16 to move downwards through the supporting column 18, the grinding balls 14 rotate and press downwards at the moment to grind the solid materials, and during the grinding process, the powdery materials flow out from the discharging hole 141 and are collected through the discharging hole 12, when the grinding balls 14 extrude the materials to be tightly attached to the grinding seat 13, the stirring plate 25 enters the arc-shaped groove 26 at the moment, the downward pressing of the grinding balls 14 cannot be influenced, and when the materials are compressed, the ground materials rotate in the grinding seat 13 along with the grinding balls 14 at the moment, the ground powder materials are in a compressed state and are not easy to flow out of the discharge hole 141, so that after the materials are ground, the hydraulic rod 191 moves upwards, the grinding balls 14 are separated from a material contact state, the stirring plate 25 continuously rotates along with the grinding balls 14 to break up the compaction state of the materials, the materials are in a loose state, the materials are quickly discharged from the discharge hole 141 in the stirring plate 25 of the stirring plate 25, the solid materials can be more fully ground through the rotary extrusion of the grinding balls 14, and the ground materials are guaranteed to meet the quality standard; when the stirring plate 25 rotates, the moving block 32 can pop out from the second groove 3 under the action of centrifugal force at the moment, the moving block 32 pops out and can drive the pappus brush 34 to move, in the rotating process, the pappus brush 34 extends into the discharge hole 141, the material at the discharge hole 141 is cleaned, the discharge hole 141 is ensured not to be blocked by the material, and the arch plate 333 also moves outwards under the action of the centrifugal force at the moment, in the moving process, the arch plate 333 can push the elastic arch film 332 to expand outwards, the pappus brush 34 is in an opening state, the cleaning area is increased, the pappus brush 34 extending into the discharge hole 141 is opened, the inner wall of the discharge hole 141 can be cleaned, the side wall of the discharge hole 141 is ensured to be also in a state without material bonding all the time, and the discharge rate of the material is further accelerated.

A preparation process of a water-based epoxy floor coating comprises the following steps:

s1: respectively placing the talcum powder, the titanium dioxide and the precipitated barium sulfate into a grinding device for grinding and screening into powder, and then collecting for later use;

s2: mixing the ground material of S1 with defoamer, bentonite, fixing agent, deionized water and water, stirring uniformly at high speed for 10-15 min;

s3: and (3) putting the waterborne epoxy resin into the uniformly stirred material in the S2, uniformly stirring at a high speed for 15-20min, then putting the quick-drying agent into the material, rotating at a high speed for 15-20min to ensure that the material is uniformly stirred, taking out the material, sealing and collecting to obtain the finished waterborne epoxy floor coating.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.