阅读说明：本技术 一种木制品耐高温涂层及其制备方法 (High-temperature-resistant coating for wood products and preparation method thereof ) 是由 王登位 于 2019-11-07 设计创作，主要内容包括：本发明公开了一种木制品耐高温涂层及其制备方法,该木制品耐高温涂层的涂料包括以下原料：甲基三甲氧基硅烷、天然植物树脂、二氧化硅溶胶、玻璃粉、羟基硅油、乙醇、动物皮胶、水溶性氨基树脂、固化剂、邻苯二甲酸二丁酯、增粘剂、聚乙烯醇、玉米淀粉、去离子水,通过甲基三甲氧基硅烷本身带有甲基与羟基硅油混合,使硅烷水解聚合而成组成硅氧键,提高涂料的耐候性和耐温性,同时将硅溶胶与玻璃粉在纳米砂磨机的机械研磨过程中产生相似相容的化学键合,起到增加了涂层的硬度的作用,提高涂胶的附着力,通过该透明涂层体系,能够帮助附着在表面的水分迅速形成水滴,并促进其脱离涂层表面,能够最大限度地保护涂层表面。(The invention discloses a high-temperature resistant coating for a wooden product and a preparation method thereof, wherein the coating for the high-temperature resistant coating for the wooden product comprises the following raw materials: the methyl trimethoxy silane, natural plant resin, silicon dioxide sol, glass powder, hydroxyl silicone oil, ethanol, animal hide glue, water-soluble amino resin, a curing agent, dibutyl phthalate, a tackifier, polyvinyl alcohol, corn starch and deionized water, wherein the methyl trimethoxy silane is mixed with the methyl and hydroxyl silicone oil to hydrolyze and polymerize the silane to form silicon-oxygen bonds, so that the weather resistance and the temperature resistance of the coating are improved, meanwhile, similar compatible chemical bonds are generated between the silicon sol and the glass powder in the mechanical grinding process of a nano sand mill, the effect of increasing the hardness of the coating is achieved, the adhesive force of gluing is improved, the transparent coating system can help water attached to the surface to quickly form water drops, promote the water drops to be separated from the surface of the coating, and the surface of the coating can be protected to the maximum extent.)

1. The high-temperature-resistant coating for the wood products is characterized by comprising the following raw materials in parts by weight: 10-15 parts of methyltrimethoxysilane, 10-20 parts of natural plant resin, 20-40 parts of silica sol, 3-5 parts of glass powder, 5-10 parts of hydroxyl silicone oil, 5-10 parts of ethanol, 30-40 parts of animal hide glue, 20-40 parts of water-soluble amino resin, 5-15 parts of curing agent, 20-30 parts of dibutyl phthalate, 5-10 parts of tackifier, 3-5 parts of polyvinyl alcohol, 50-60 parts of corn starch and 70-80 parts of deionized water;

the preparation method of the high-temperature-resistant coating for the wood product comprises the following steps:

the method comprises the following steps: introducing methyltrimethoxysilane, natural plant resin, silica sol, ethanol and deionized water into a high-speed mixer according to parts by weight, mixing at the rotating speed of 140r/min for 100-50 minutes at the mixing temperature of 70-80 ℃, standing the mixed raw materials in a molten state after mixing for 5-7 hours, and fully mixing the raw materials to obtain a mixed base material A;

step two: pre-mixing glass powder and hydroxyl silicone oil in a container, introducing the mixed glass powder and the hydroxyl silicone oil into a sand mill for grinding for 1.5-2 hours, introducing the mixed base material A obtained in the step one into the sand mill for continuously grinding for 1-2 hours after the glass powder and the hydroxyl silicone oil are completely ground and fused, and thus obtaining the A colloid in a molten state;

step three: soaking animal hide glue in deionized water for 24 hr, mixing the soaked animal hide glue in a high speed mixer at 60-80r/min for 5-10 min at 30-40 deg.c, adding water soluble amino resin, dibutyl phthalate, tackifier and PVA successively, mixing the mixed material at 400r/min for 50-60 min at 300-110 deg.c for complete dissolution to obtain mixed base material B;

step four: taking the mixed base material B in the step three to a stirrer, naturally cooling to 30 ℃, adding corn starch and a curing agent into the mixed base material B in the stirrer, and stirring at the rotating speed of 100-120r/min for 20-30 minutes to obtain a molten B glue agent;

step five: and (4) introducing the glue A in the step three and the glue B in the step five into a stirrer according to the ratio of 1:1, and stirring at the rotating speed of 200-300r/min for 10-15 minutes to obtain the high-temperature-resistant coating.

2. The high temperature resistant coating for wood products according to claim 1, wherein said silica sol has a solid content of 10% and a particle size of 10nm or less.

3. The wood product high temperature resistant coating according to claim 1, wherein said glass powder is low borosilicate glass powder with a particle size of 10000 mesh.

4. The wood product high temperature resistant coating according to claim 1, wherein said natural plant resin is one or more of terpene resin, dammar resin and rosin modified resin.

5. The high temperature resistant coating for wood products according to claim 1 wherein said sanders are nano-scale sanders.

6. The high temperature resistant coating for wooden products as claimed in claim 1, wherein said grinding wheel (701) in step six is polished along the grain of the board surface, and the grinding wheel (701) is a gauze wheel with a mesh no less than 240.

7. The preparation method of the high-temperature-resistant coating for the wood product is characterized by comprising the following steps of:

the method comprises the following steps: introducing methyltrimethoxysilane, natural plant resin, silica sol, ethanol and deionized water into a high-speed mixer according to parts by weight, mixing at the rotating speed of 140r/min for 100-50 minutes at the mixing temperature of 70-80 ℃, standing the mixed raw materials in a molten state after mixing for 5-7 hours, and fully mixing the raw materials to obtain a mixed base material A;

step two: pre-mixing glass powder and hydroxyl silicone oil in a container, introducing the mixed glass powder and the hydroxyl silicone oil into a sand mill for grinding for 1.5-2 hours, introducing the mixed base material A obtained in the step one into the sand mill for continuously grinding for 1-2 hours after the glass powder and the hydroxyl silicone oil are completely ground and fused, and thus obtaining the A colloid in a molten state;

step three: soaking animal hide glue in deionized water for 24 hr, mixing the soaked animal hide glue in a high speed mixer at 60-80r/min for 5-10 min at 30-40 deg.c, adding water soluble amino resin, dibutyl phthalate, tackifier and PVA successively, mixing the mixed material at 400r/min for 50-60 min at 300-110 deg.c for complete dissolution to obtain mixed base material B;

step four: taking the mixed base material B in the step three to a stirrer, naturally cooling to 30 ℃, adding corn starch and a curing agent into the mixed base material B in the stirrer, and stirring at the rotating speed of 100-120r/min for 20-30 minutes to obtain a molten B glue agent;

step five: and (4) introducing the glue A in the step three and the glue B in the step five in a ratio of 1:1 into a stirrer to be stirred for 10-15 minutes at a rotating speed of 200-300r/min, thereby obtaining the high-temperature-resistant coating.

8. The method for preparing the high-temperature resistant coating of the wood product according to the claim 7 is characterized in that the coating forming method of the high-temperature resistant coating of the wood product is as follows: gaps, burrs and knots on the surface of a coating board are repaired and leveled by putty powder, the board is placed on a workbench (3) of a grinding machine, a Y-direction motor (2) drives a Y-direction screw rod (201) to rotate, so that the workbench (3) moves in the Y direction, an X-direction motor (4) drives an X-direction screw rod (401) to rotate, so that an X-direction sliding plate (405) moves in the X direction, the adjustment of a grinding wheel (701) in the X direction is realized, a Z-direction motor (5) drives a Z-direction screw rod (501) to rotate, so that a Z-direction sliding plate (502) moves in the Z direction, the adjustment of the grinding wheel (701) in the Z direction is realized, so that the grinding wheel (701) grinds the surface of the board, chips on the surface of the board are blown off by a fan (6) through a coil pipe (601), and the polished board is obtained, and (3) placing the obtained board on an automatic glue spreading table, uniformly coating the high-temperature-resistant coating obtained in the step five on the polished surface of the board through a glue spreading roller of the automatic glue spreading table, putting the glued board into an oven to be dried for 1-2 hours at 15-30 ℃, preventing the board from being coated on the automatic glue spreading table again after the coating on the board surface is dried, carrying out secondary glue spreading, and putting the secondarily-glued board into the oven to be dried for 1-2 hours at 15-30 ℃, thereby obtaining the high-temperature-resistant coating of the wooden product.

Technical Field

The invention belongs to the technical field of protection of wooden products, and particularly relates to a high-temperature-resistant coating for wooden products and a preparation method thereof.

Background

The wood products and other products on the market need to be painted and maintained, and the materials used in the products include various paints, polyester paints and aqueous wood wax oil lacquers. Modern furniture and home decorations are increasingly paid more and more attention in the life of people. With the development of the furniture industry for thirty years, the wood lacquer coating matched with the furniture industry is further improved. In order to better show the natural characteristics of the wood furniture such as texture, lines and the like, the requirement on the decoration of the coating is also increased. The paint film also puts forward product requirements on various performances such as transparency, leveling property, flatness, gloss uniformity and the like of the paint film, and also puts forward new requirements on the aspects of easy scratching, abrasion and the like of the paint film in the processes of furniture transportation, storage, use and maintenance.

For example, patent application No. (CN201410741027.6) discloses a high-gloss environment-friendly natural wood oil and a preparation method thereof, wherein the high-gloss environment-friendly natural wood oil comprises 20-35 parts of vegetable oil, 20-30 parts of natural plant resin, 40-60 parts of an environment-friendly solvent, 0.1-0.5 part of an anti-skinning agent and 1-3 parts of an environment-friendly drier, and the vegetable oil, the natural plant resin and the environment-friendly solvent are all natural plant extracts, so that the environment-friendly natural wood oil is environment-friendly and pollution-free; the coating formed by matching the vegetable oil and the natural vegetable resin has extremely high glossiness, but the preparation process of the high-temperature resistant coating of the wooden product has the following defects:

1. the existing high-temperature resistant coating for the wooden product cannot be nontoxic and pollution-free, has poor gluing permeability and durability, is complex in production process, has potential safety hazard at high temperature, and has poor protection effect on wood;

2. the high temperature resistant coating of current woodwork is in the preparation process, and the face polishing to panel is mostly through artifical manual polishing, and artifical manual polishing must lead to the face unevenness to appear to cause the coating of coating on the face inhomogeneous, lead to the coating to swell easily, influence the coating quality.

Disclosure of Invention

The invention aims to provide a high-temperature-resistant coating for a wood product and a preparation method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a high-temperature-resistant coating for a wood product comprises the following raw materials in parts by weight: 10-15 parts of methyltrimethoxysilane, 10-20 parts of natural plant resin, 20-40 parts of silica sol, 3-5 parts of glass powder, 5-10 parts of hydroxyl silicone oil, 5-10 parts of ethanol, 30-40 parts of animal hide glue, 20-40 parts of water-soluble amino resin, 5-15 parts of curing agent, 20-30 parts of dibutyl phthalate, 5-10 parts of tackifier, 3-5 parts of polyvinyl alcohol, 50-60 parts of corn starch and 70-80 parts of deionized water;

the preparation method of the high-temperature-resistant coating for the wood product comprises the following steps:

the method comprises the following steps: introducing methyltrimethoxysilane, natural plant resin, silica sol, ethanol and deionized water into a high-speed mixer according to parts by weight, mixing at the rotating speed of 140r/min for 100-50 minutes at the mixing temperature of 70-80 ℃, standing the mixed raw materials in a molten state after mixing for 5-7 hours, and fully mixing the raw materials to obtain a mixed base material A;

step two: pre-mixing glass powder and hydroxyl silicone oil in a container, introducing the mixed glass powder and the hydroxyl silicone oil into a sand mill for grinding for 1.5-2 hours, introducing the mixed base material A obtained in the step one into the sand mill for continuously grinding for 1-2 hours after the glass powder and the hydroxyl silicone oil are completely ground and fused, and thus obtaining the A colloid in a molten state;

step three: soaking animal hide glue in deionized water for 24 hr, mixing the soaked animal hide glue in a high speed mixer at 60-80r/min for 5-10 min at 30-40 deg.c, adding water soluble amino resin, dibutyl phthalate, tackifier and PVA successively, mixing the mixed material at 400r/min for 50-60 min at 300-110 deg.c for complete dissolution to obtain mixed base material B;

step four: taking the mixed base material B in the step three to a stirrer, naturally cooling to 30 ℃, adding corn starch and a curing agent into the mixed base material B in the stirrer, and stirring at the rotating speed of 100-120r/min for 20-30 minutes to obtain a molten B glue agent;

step five: and (4) introducing the glue A in the step three and the glue B in the step five into a stirrer according to the ratio of 1:1, and stirring at the rotating speed of 200-300r/min for 10-15 minutes to obtain the high-temperature-resistant coating.

As a further scheme of the invention: the coating forming method of the high-temperature resistant coating of the wooden product comprises the following steps: repairing and leveling gaps, burrs and knots on the surface of the coating board by putty powder, placing the board on a workbench of a grinding machine, driving a Y-direction screw rod to rotate by a Y-direction motor, thereby realizing the movement of the workbench in the Y direction, driving an X-direction screw rod to rotate by an X-direction motor, thereby realizing the movement of an X-direction sliding plate in the X direction, realizing the adjustment of a grinding wheel in the X direction, driving a Z-direction screw rod to rotate by a Z-direction motor, thereby realizing the movement of the Z-direction sliding plate in the Z direction, realizing the adjustment of the grinding wheel in the Z direction, thereby realizing the grinding of the surface of the grinding wheel, blowing off scraps of the surface by a fan through a coil pipe to obtain the board after polishing treatment, placing the obtained board on an automatic glue spreading table, uniformly coating the high-temperature resistant coating obtained in the fifth step on the polished surface of the board by a glue spreading roller of the automatic glue spreading table, and putting the glued board into a drying oven to be dried for 1-2 hours at 15-30 ℃, after the coating on the board surface is dried, preventing the board from being placed on an automatic gluing table again to carry out secondary gluing, putting the board after secondary gluing into the drying oven to be dried for 1-2 hours at 15-30 ℃, and thus obtaining the high-temperature resistant coating of the wooden product.

As a further scheme of the invention: the solid content of the silica sol is 10 percent, and the particle size is less than or equal to 10 nm.

As a still further scheme of the invention: the glass powder is low borosilicate glass powder, and the particle size is 10000 meshes.

As a still further scheme of the invention: the natural plant resin is one or more of terpene resin, dammar resin and rosin modified resin.

As a still further scheme of the invention: the sand mill is a nano-scale sand mill.

As a still further scheme of the invention: and the polishing wheel in the sixth step polishes and polishes along the lines of the plate surface, and the polishing wheel is a gauze wheel with a mesh number more than or equal to 240.

As a still further scheme of the invention: when the polisher is in use, place panel on the workstation of polisher, rotate to the screw rod through Y to motor drive Y, thereby realize that the workstation upwards removes at Y, rotate to motor drive X through X, thereby realize that X upwards removes at X to the sliding plate, realize the adjustment of polishing wheel upwards at X, rotate to the screw rod through Z to motor drive Z, thereby realize that Z upwards removes at Z to the sliding plate, realize the adjustment of polishing wheel upwards at Z, thereby realize polishing wheel to the polishing of face, and blow off the piece of face through the snake through the air-blower, obtain the panel after the polishing treatment.

Compared with the prior art, the invention has the beneficial effects that:

1. methyl trimethoxy silane with methyl and hydroxyl silicone oil is mixed to hydrolyze and polymerize silane to form a silicon-oxygen bond, so that the weather resistance and the temperature resistance of the coating are improved, meanwhile, silica sol and glass powder generate similar compatible chemical bonding in the mechanical grinding process of a nano sand mill, the function of increasing the hardness of the coating is achieved, the silicon-oxygen bond can react with the hydroxyl on the surface of a wooden product, so that firm bonding is formed, the adhesive force of gluing is improved, meanwhile, a transparent coating system consisting of animal skin glue, water-soluble amino resin, a curing agent, dibutyl phthalate, a tackifier, polyvinyl alcohol and corn starch can help water attached to the surface to quickly form water drops and promote the water drops to be separated from the surface of the coating, the surface of the coating can be protected to the maximum extent, the coating system is protected from corrosion, and the wooden product has good water resistance and corrosion resistance, the high temperature resistance of the coating is detected as follows: the high temperature resistance of the wood product is more than or equal to 240 ℃; the hardness test is in accordance with GB 6739-86: the adhesive force of the high-temperature resistant coating is 1 grade, and the hardness is 3H;

2. the plate that will treat the polishing is placed on the workstation, it is fixed to press from both sides tightly to panel through locking screw on the workstation both sides fixed block, it rotates to the screw rod to motor drive Y through Y, thereby realize that the workstation upwards removes at Y, it rotates to the screw rod to motor drive X through X, thereby realize that X upwards removes at X to the sliding plate, realize the adjustment of grinding wheel upwards at X, it rotates to the screw rod to motor drive Z through Z, thereby realize Z upwards removing at Z to the sliding plate, realize the adjustment of grinding wheel upwards at Z, thereby realize the polishing of grinding wheel to the face, make the face of grinding wheel to panel remain throughout to polish at same height, avoid the unsmooth unevenness of face, thereby improve the back panel of polishing to gummed adhesive force, effectively improve the coating quality of woodwork.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a perspective view of a sander.

Fig. 2 is a front view of the sander.

Fig. 3 is an enlarged view of a portion a in fig. 1.

Fig. 4 is a schematic structural view of a fixed block in the sander.

In the figure: the device comprises a base 1, a support table 101, a Y-direction motor 2, a Y-direction screw 201, a Y-direction fixed seat 202, a Y-direction slide rail 203, a Y-direction slide block 204, a workbench 3, a T-shaped groove 301, a fixed block 302, a locking screw 303, a plate 304, a slide block 305, a threaded port 306, an X-direction motor 4, an X-direction screw 401, an X-direction fixed seat 402, an X-direction slide rail 403, an X-direction slide block 404, an X-direction slide plate 405, an X-direction fixed plate 406, a Z-direction motor 5, a Z-direction screw 501, a Z-direction slide plate 502, an L-shaped fixed plate 503, a Z-direction slide block 504, a Z-direction slide rail 505, a blower 6, a coil.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, a wood product high temperature resistant coating includes the following raw materials by weight: 12.5 parts of methyltrimethoxysilane, 15 parts of natural plant resin, 30 parts of silicon dioxide sol, 4 parts of glass powder, 7.5 parts of hydroxyl silicone oil, 7.5 parts of ethanol, 35 parts of animal skin glue, 30 parts of water-soluble amino resin, 10 parts of curing agent, 25 parts of dibutyl phthalate, 7.5 parts of tackifier, 4 parts of polyvinyl alcohol, 55 parts of corn starch and 70-80 parts of deionized water;

the preparation method of the high-temperature-resistant coating for the wood product comprises the following steps:

the method comprises the following steps: introducing methyltrimethoxysilane, natural plant resin, silica sol, ethanol and deionized water into a high-speed mixer according to parts by weight, mixing at the rotating speed of 140r/min for 100-50 minutes at the mixing temperature of 70-80 ℃, standing the mixed raw materials in a molten state after mixing for 5-7 hours, and fully mixing the raw materials to obtain a mixed base material A;

step two: pre-mixing glass powder and hydroxyl silicone oil in a container, introducing the mixed glass powder and the hydroxyl silicone oil into a sand mill for grinding for 1.5-2 hours, introducing the mixed base material A obtained in the step one into the sand mill for continuously grinding for 1-2 hours after the glass powder and the hydroxyl silicone oil are completely ground and fused, and thus obtaining the A colloid in a molten state;

step three: soaking animal hide glue in deionized water for 24 hr, mixing the soaked animal hide glue in a high speed mixer at 60-80r/min for 5-10 min at 30-40 deg.c, adding water soluble amino resin, dibutyl phthalate, tackifier and PVA successively, mixing the mixed material at 400r/min for 50-60 min at 300-110 deg.c for complete dissolution to obtain mixed base material B;

step four: taking the mixed base material B in the step three to a stirrer, naturally cooling to 30 ℃, adding corn starch and a curing agent into the mixed base material B in the stirrer, and stirring at the rotating speed of 100-120r/min for 20-30 minutes to obtain a molten B glue agent;

step five: and (4) introducing the glue A in the step three and the glue B in the step five into a stirrer according to the ratio of 1:1, and stirring at the rotating speed of 200-300r/min for 10-15 minutes to obtain the high-temperature-resistant coating.

The coating forming method of the high-temperature resistant coating of the wooden product comprises the following steps: repairing and leveling gaps, burrs and knots on the surface of the plate coated with the coating through putty powder, placing the plate on a workbench 3 of a grinding machine, driving a Y-direction screw 201 to rotate through a Y-direction motor 2, thereby realizing that the workbench 3 moves in the Y direction, driving an X-direction screw 401 to rotate through an X-direction motor 4, thereby realizing that an X-direction sliding plate 405 moves in the X direction, realizing that a grinding wheel 701 adjusts in the X direction, driving a Z-direction screw 501 to rotate through a Z-direction motor 5, thereby realizing that a Z-direction sliding plate 502 moves in the Z direction, realizing that the grinding wheel 701 adjusts in the Z direction, thereby realizing that the grinding wheel 701 grinds the surface of the plate, blowing off chips on the surface of the plate through a coil pipe 601 through an air blower 6, obtaining the plate after polishing treatment, placing the obtained plate on an automatic glue spreading table, uniformly coating the high-temperature resistant coating obtained in the fifth step on the polished surface of the plate through a glue spreading roller of the automatic glue spreading table, and putting the glued board into a drying oven to be dried for 1-2 hours at 15-30 ℃, after the coating on the board surface is dried, preventing the board from being placed on an automatic gluing table again to carry out secondary gluing, putting the board after secondary gluing into the drying oven to be dried for 1-2 hours at 15-30 ℃, and thus obtaining the high-temperature resistant coating of the wooden product.

The solid content of the silica sol is 10 percent, and the particle size is less than or equal to 10 nm.

The glass powder is low borosilicate glass powder, and the particle size is 10000 meshes.

The sand mill is a nano-scale sand mill.

And in the sixth step, the polishing wheel (701) polishes along the lines of the plate surface, and the polishing wheel (701) is a gauze wheel with a mesh number more than or equal to 240.

The grinding machine comprises a base 1, wherein the base 1 is a square table-board, Y-direction fixing seats 202 are respectively and fixedly arranged at the Y-direction two ends of the table-board of the base 1, and a Y-direction screw 201 is rotatably connected between Y-direction fixing seats 202 at two ends of the base 1, one end of the Y-direction screw 201 penetrates through the Y-direction fixing seat 202 and is fixedly connected with the Y-direction motor 2 outside the Y-direction fixing seat 202 through a coupler, y-direction slide rails 203 are respectively arranged on the table top of the base 1 and on two sides of the Y-direction screw 201, the Y-direction screw 201 is connected with the Y-direction nut seat on the bottom surface of the workbench 3 through threads, y-direction sliding blocks 204 matched with the Y-direction sliding rails 203 are arranged on the two sides of the bottom surface of the workbench 3 along the Y-direction, the workbench 3 is connected to the Y-direction slide rail 203 of the base 1 in a sliding manner through Y-direction slide blocks 204 on two sides of the bottom surface, and a plate 304 is fixedly arranged on the surface of the workbench 3;

two sides of the workbench 3 are provided with T-shaped grooves 301 along the Y-direction, a sliding block 305 is connected in the T-shaped grooves 301 in a sliding manner, the sliding block 305 is vertically connected with a fixed block 302, the top of the fixed block 302 is provided with a threaded hole 306 in the horizontal direction, the threaded hole 306 is in threaded connection with a locking screw 303, and the threaded tail end of the locking screw 303 abuts against the side surface of the plate 304;

the two sides of the table top of the base 1 in the horizontal direction are respectively vertically provided with a support table 101, the front surface of the support table 101 at the two sides of the base 1 is provided with an X-direction fixing plate 406, the two sides of the plate surface of the X-direction fixing plate 406 are horizontally provided with X-direction slide rails 403, the front surface of the X-direction fixing plate 406 is fixedly provided with an X-direction fixing seat 402 in the area of the two X-direction slide rails 403, an X-direction screw 401 is rotatably connected between the X-direction fixing seats 402, one end of the X-direction screw 401 penetrates through the X-direction fixing seat 402 and is fixedly connected with an X-direction motor 4 at the outer side of the X-direction fixing seat 402 through a coupler, the X-direction screw 401 is connected with an X-direction nut seat at the bottom surface of the X-direction sliding plate 405 through screw threads, X-direction slide blocks 404 matched with the X-direction slide rails 403 are arranged at the upper and lower sides of the, an L-shaped fixed plate 503 is erected on the surface of the X-direction sliding plate 405;

a Z-direction nut seat is fixedly arranged in the middle of the plate surface of the X-direction sliding plate 405, Z-direction sliding blocks 504 are respectively arranged at four corners of the X-direction sliding plate 405, a Z-direction motor 5 is fixedly arranged on the plate surface of the horizontal plate of the L-shaped fixed plate 503, a Z-direction screw 501 is arranged at the output end of the Z-direction motor 5 through a coupling, one end of the Z-direction screw 501 penetrates through the horizontal plate of the L-shaped fixed plate 503 and is in threaded connection with the Z-direction nut seat on the Z-direction sliding plate 502, Z-direction sliding rails matched with the Z-direction sliding blocks 504 are respectively arranged on two sides of the Z-direction screw 501 on the back surface of the Z-direction sliding plate 502, the Z-direction sliding plate 502 is in sliding connection with the Z-direction sliding blocks 504 of the X-direction sliding plate 405 through the Z-direction sliding;

the output end of the air blower 6 is connected with a coil 601, and a filter screen cloth layer 602 is arranged on the output port of the coil 601;

and a grinding wheel 701 is arranged on an output shaft of the grinding motor 7.

The working principle is as follows: the plate 304 is horizontally placed on a workbench 3, the position of a fixed block 302 on a T-shaped groove 301 is adjusted, the plate 304 on the workbench 3 is locked and fixed by screwing a locking screw 303, after the plate 304 is fixed on the workbench 3, a Y-direction motor 2 drives a Y-direction screw 201 to rotate, the Y-direction screw 201 drives a Y-direction nut seat workbench 3 to move in the Y direction, the plate 304 on the workbench 3 is adjusted in the Y direction, an X-direction motor 4 drives an X-direction screw 401 to rotate, the X-direction screw 401 drives an X-direction nut seat to drive an X-direction sliding plate 405 to move in the X direction, the adjustment of the position of a polishing wheel 701 in the X direction is completed, a Z-direction motor 5 drives a Z-direction screw 501 to rotate, the Z-direction screw 104 drives a Z-direction nut seat on the Z-direction sliding plate 502 to move in the Z direction, and the polishing wheel 701 is driven to move in the Z direction, the grinding motor 7 drives the grinding wheel 701 to polish and grind the plate material 304 on the worktable 3.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.