CN112658996A - Sand blasting and polishing treatment process for solid wood furniture - Google Patents
Sand blasting and polishing treatment process for solid wood furniture Download PDFInfo
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- CN112658996A CN112658996A CN201910976151.3A CN201910976151A CN112658996A CN 112658996 A CN112658996 A CN 112658996A CN 201910976151 A CN201910976151 A CN 201910976151A CN 112658996 A CN112658996 A CN 112658996A
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- sand blasting
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Abstract
The invention relates to the technical field of sand blasting and polishing, in particular to a sand blasting and polishing treatment process for solid wood furniture, which comprises the following steps: carrying out first hard sand blasting treatment on the surface of the solid wood board, then putting the solid wood board into a cleaning pool to clean, putting the solid wood board into a drying kiln to carry out first drying, then carrying out second soft sand blasting treatment, brushing varnish on the surface of the solid wood board subjected to second sand blasting, naturally drying for at least 2 hours, then putting the solid wood board into a grinding machine to carry out first grinding, cleaning floating ash, putting the solid wood board into the grinding machine after continuously spraying primer to carry out second grinding, cleaning floating ash, continuously spraying finish paint, and naturally drying to obtain the wood board. The invention solves the problem that the dents generated by sand blasting can not be completely processed to cause the increase of defective products in the prior art, reduces too many dents which are difficult to process in the first sand blasting process by sand blasting twice, and can obtain solid wood furniture with smooth surface by grinding twice.
Description
Technical Field
The invention relates to the technical field of sand blasting and polishing, in particular to a sand blasting and polishing treatment process for solid wood furniture.
Background
The sand blasting is a process of cleaning and coarsening the surface of a matrix by utilizing the impact action of high-speed sand flow, and adopts compressed air as power to form a high-speed spray beam to spray materials (copper ore sand, quartz sand, carborundum, iron sand and Hainan sand) to the surface of a workpiece to be treated at high speed, so that the appearance or the shape of the outer surface of the workpiece is changed.
The solid wood polishing method comprises three methods, namely dry polishing, wet polishing and mechanical polishing. 1. The dry grinding is grinding by using sand paper, and is suitable for grinding hard and brittle paint seeds. 2. Wet sanding is sanding with sandpaper dipped in water or soapy water. 3. The mechanical grinding is convenient for large-area construction, thereby improving the working efficiency.
In prior art, the dent that the depth differs appears easily among the wood furniture sand blasting process, leads to appearing obvious dent at the in-process of japanning, and the dent can't be through the later stage complete processing of polishing to the wastrel appears easily.
Disclosure of Invention
In view of the above disadvantages of the prior art, the present invention provides a sand blasting and polishing process for solid wood furniture, which is used to solve the problem that the dents generated by sand blasting cannot be completely processed in the prior art, resulting in increased defective products. According to the invention, through twice sand blasting, too many dents which are difficult to treat are left on the surface of the solid wood in the first sand blasting process, and then, through twice grinding, the solid wood furniture with a smooth surface can be obtained.
In order to attain the above and other related objects,
the invention provides a sand blasting and polishing treatment process for solid wood furniture, which comprises the following steps of:
step one, after hard abrasive materials are put into sand blasting equipment, starting the sand blasting equipment, carrying out primary sand blasting treatment on the surface of the solid wood board, wherein the air pressure of primary sand blasting is 0.55-0.65 MPa, the primary sand blasting time is 1-20 min, the distance of primary sand blasting is 100-300 mm, putting the solid wood board into a cleaning pool to clean, and putting the solid wood board into a drying kiln to carry out primary drying, so that the primary sand blasting solid wood board is obtained for later use;
secondly, starting the sand blasting equipment after soft abrasive materials are put into the sand blasting equipment, carrying out secondary sand blasting treatment on the surface of the solid wood plate subjected to the primary sand blasting, wherein the air pressure of the secondary sand blasting is 0.55-0.65 MPa, the time of the secondary sand blasting is 10-30 min, the distance of the secondary sand blasting is 100-300 mm, putting the solid wood plate into a cleaning pool to clean, and putting the solid wood plate into a drying kiln to carry out secondary drying, so that the solid wood plate subjected to the secondary sand blasting is obtained for later use;
and step three, coating varnish on the surface of the solid wood plate subjected to secondary sand blasting, naturally drying for at least 2 hours, then putting the solid wood plate into a grinding machine for primary grinding, cleaning floating ash, continuously spraying primer, then putting the solid wood plate into the grinding machine for secondary grinding, cleaning floating ash, continuously spraying finish paint, and naturally drying to obtain the wood plate.
Through twice sand blasting, too many dents which are difficult to treat are left on the surface of the solid wood in the first sand blasting process, and then the solid wood furniture with smooth surface can be obtained through twice grinding.
In an embodiment of the present invention, in the first step, the hard abrasive is silicon carbide and quartz sand, and the mass ratio of the hard abrasive to the quartz sand is 1: (0.5-0.8), wherein the particle size of the silicon carbide is 8-10 mm, and the particle size of the quartz sand is 3-5 mm; and in the second step, the particle size of the soft abrasive is 140-400 meshes. The hard abrasive for the first sand blasting is mixed by adopting two abrasives with different hardness and different grain diameters, wherein the problem of obvious dent in the sand blasting process can be effectively avoided by the different grain diameters and hardness. The soft abrasive material is adopted for the second sand blasting, and the problem of different depths of sand blasting traces possibly occurring in the first sand blasting process is further adjusted. The dents on the solid wood board are reduced by two means, so that the overall quality of the solid wood board is improved. In general, the soft abrasive is generally a high molecular elastic soft abrasive or a silicon carbide elastic fluid soft abrasive, and is commercially available (sumameck abrasive flow equipment, ltd).
In an embodiment of the present invention, in the first step, the hard abrasive is silicon carbide and quartz sand, and the mass ratio of the hard abrasive to the quartz sand is 1: 0.5, the grain diameter of the silicon carbide is 10mm, and the grain diameter of the quartz sand is 4 mm; and the granularity of the soft abrasive in the second step is 200 meshes. Under these conditions, the effect is best.
In an embodiment of the invention, the temperature of the first drying in the first step is 80-90 ℃, and the water content after drying is 10-15 wt%; and in the second step, the temperature of the second drying is 70-80 ℃, and the water content after drying is 7-10 wt%. In the drying process, the drying temperature is controlled at medium and high temperature, the water content is higher after the first drying, and the problem of plate drying cracking can be effectively avoided. The temperature of secondary drying is lower, can effectively avoid moisture rapid evaporation in the panel to lead to the uneven problem of dehydration.
In an embodiment of the invention, the temperature of the first drying in the first step is 80 ℃, and the water content after drying is 15 wt%; the temperature of the second drying in the second step is 70 ℃, and the water content after drying is 8 wt%.
In an embodiment of the present invention, the thickness of the varnish in step three is 0.2 to 0.5 mm; the sand paper for the first grinding in the third step is 80-140 meshes of sand paper; the thickness of the primer in the third step is 0.2-0.5 mm; and the sand paper for the second grinding in the third step is 140-400 meshes of sand paper. The polishing adopts sand paper for polishing, the polishing mode is conventional selection, and the surface of the solid wood furniture is smoother through multiple times of polishing.
In an embodiment of the present invention, the thickness of the varnish in the third step is 0.3 mm; the sand paper for the first grinding in the third step is 80-mesh sand paper; the thickness of the primer in the third step is 0.3 mm; and the sand paper ground for the second time in the third step is 325-mesh sand paper.
As mentioned above, the sand blasting and polishing treatment process for the solid wood furniture has the following beneficial effects: through twice sand blasting, too many dents which are difficult to treat are left on the surface of the solid wood in the first sand blasting process, and then the solid wood furniture with smooth surface can be obtained through twice grinding. The hard abrasive for the first sand blasting is mixed by adopting two abrasives with different hardness and different grain diameters, wherein the problem of obvious dent in the sand blasting process can be effectively avoided by the different grain diameters and hardness. The soft abrasive material is adopted for the second sand blasting, and the problem of different depths of sand blasting traces possibly occurring in the first sand blasting process is further adjusted. The dents on the solid wood board are reduced by two means, so that the overall quality of the solid wood board is improved.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Example 1
A sand blasting and polishing treatment process for solid wood furniture comprises the following steps:
step one, after hard abrasive materials are put into sand blasting equipment, starting the sand blasting equipment, carrying out primary sand blasting treatment on the surface of the solid wood board, wherein the air pressure of primary sand blasting is 0.55MPa, the primary sand blasting time is 20min, the distance of the primary sand blasting is 300mm, and the hard abrasive materials are silicon carbide and quartz sand according to the mass ratio of 1: 0.8, the grain diameter of the silicon carbide is 8mm, and the grain diameter of the quartz sand is 3 mm; cleaning in a cleaning pool, drying in a drying kiln at 80 deg.C to obtain a first sand-blasted solid wood board with water content of 10 wt%;
secondly, after the macromolecule elastic soft abrasive is put into the sand blasting equipment, starting the sand blasting equipment, and then carrying out secondary sand blasting treatment on the surface of the first sand blasting solid wood board, wherein the air pressure of the secondary sand blasting is 0.55MPa, the time of the secondary sand blasting is 30min, the distance of the secondary sand blasting is 300mm, and the granularity of the soft abrasive is 140 meshes; cleaning in a cleaning pool, drying in a drying kiln at 70 deg.C for the second time to obtain a second sand-blasted solid wood board with water content of 7 wt%;
and step three, coating varnish on the surface of the solid wood board subjected to secondary sand blasting, wherein the thickness of the varnish is 0.2mm, naturally drying for at least 2 hours, then putting the solid wood board into a grinding machine for first grinding, cleaning floating ash, continuously spraying primer, then putting the solid wood board into the grinding machine for second grinding, wherein the thickness of the primer is 0.2mm, the thickness of the abrasive paper subjected to secondary grinding is 400 meshes, cleaning the floating ash, continuously spraying finish paint, and naturally drying to obtain the wood board.
The solid wood board has less surface dents after the first sand blasting, almost no surface dents after the second sand blasting, the surface roughness of the wood after the grinding is less than 0.8 mu m, and the defective rate is 0.6%.
Example 2
A sand blasting and polishing treatment process for solid wood furniture comprises the following steps:
step one, after hard abrasive materials are put into sand blasting equipment, starting the sand blasting equipment, carrying out primary sand blasting treatment on the surface of the solid wood board, wherein the air pressure of primary sand blasting is 0.65MPa, the primary sand blasting time is 10min, the distance of the primary sand blasting is 100mm, and the hard abrasive materials are silicon carbide and quartz sand according to the mass ratio of 1: 0.5, the grain diameter of the silicon carbide is 10mm, and the grain diameter of the quartz sand is 5 mm; cleaning in a cleaning pool, drying in a drying kiln at 90 deg.C to water content of 15 wt% to obtain the first sand-blasted solid wood board;
secondly, after the macromolecule elastic soft abrasive is put into the sand blasting equipment, the sand blasting equipment is started, and then the surface of the first sand blasting solid wood board is subjected to second sand blasting treatment, wherein the air pressure of the second sand blasting is 0.65MPa, the time of the second sand blasting is 10min, the distance of the second sand blasting is 100mm, and the granularity of the soft abrasive is 200 meshes; cleaning in a cleaning pool, drying in a drying kiln at 80 deg.C for the second time to obtain a second sand-blasted solid wood board with water content of 7 wt%;
and step three, coating varnish on the surface of the solid wood board subjected to secondary sand blasting, wherein the thickness of the varnish is 0.5mm, naturally drying for at least 2 hours, then putting the solid wood board into a grinding machine for first grinding, cleaning floating ash, continuously spraying primer, then putting the solid wood board into the grinding machine for second grinding, wherein the thickness of the primer is 0.5mm, the thickness of the abrasive paper subjected to secondary grinding is 140 meshes, cleaning the floating ash, continuously spraying finish paint, and naturally drying to obtain the wood board.
The solid wood panel has fewer surface dents after the first sand blasting, almost no surface dents after the second sand blasting, the surface roughness of the wood after the grinding is less than 0.8 mu m, and the defective rate is 0.7%.
Example 3
A sand blasting and polishing treatment process for solid wood furniture comprises the following steps:
step one, after hard abrasive materials are put into sand blasting equipment, starting the sand blasting equipment, carrying out primary sand blasting treatment on the surface of the solid wood board, wherein the air pressure of primary sand blasting is 0.60MPa, the primary sand blasting time is 10min, the distance of the primary sand blasting is 200mm, and the hard abrasive materials are silicon carbide and quartz sand according to the mass ratio of 1: 0.7, the grain diameter of the silicon carbide is 9mm, and the grain diameter of the quartz sand is 4 mm; cleaning in a cleaning pool, drying in a drying kiln at 85 deg.C for the first time to obtain a first sand-blasted solid wood board with water content of 12 wt%;
secondly, after the silicon carbide elastic fluid soft abrasive is put into the sand blasting equipment, starting the sand blasting equipment, and then carrying out secondary sand blasting treatment on the surface of the first sand blasting solid wood board, wherein the air pressure of the secondary sand blasting is 0.60MPa, the time of the secondary sand blasting is 20min, the distance of the secondary sand blasting is 200mm, and the granularity of the soft abrasive is 200 meshes; cleaning in a cleaning pool, drying in a drying kiln at 75 deg.C for the second time to obtain a second sand-blasted solid wood board with water content of 8 wt%;
and step three, coating varnish on the surface of the solid wood board subjected to secondary sand blasting, wherein the thickness of the varnish is 0.3mm, naturally drying for at least 2 hours, then putting the solid wood board into a grinding machine for first grinding, cleaning floating ash, continuously spraying primer, then putting the solid wood board into the grinding machine for second grinding, wherein the thickness of the primer is 0.3mm, the thickness of the abrasive paper subjected to secondary grinding is 200 meshes of abrasive paper, cleaning the floating ash, continuously spraying finish paint, and naturally drying to obtain the wood board.
The solid wood panel has fewer surface dents after the first sand blasting, almost no surface dents after the second sand blasting, the surface roughness of the wood after the grinding is less than 0.7 mu m, and the defective rate is 0.5%.
Example 4
A sand blasting and polishing treatment process for solid wood furniture comprises the following steps:
step one, after hard abrasive materials are put into sand blasting equipment, starting the sand blasting equipment, carrying out primary sand blasting treatment on the surface of the solid wood board, wherein the air pressure of primary sand blasting is 0.60MPa, the primary sand blasting time is 10min, the distance of the primary sand blasting is 200mm, and the hard abrasive materials are silicon carbide and quartz sand according to the mass ratio of 1: 0.5, the grain diameter of the silicon carbide is 10mm, and the grain diameter of the quartz sand is 4 mm; cleaning in a cleaning pool, drying in a drying kiln at 85 deg.C for the first time to obtain a first sand-blasted solid wood board with water content of 12 wt%;
secondly, after the silicon carbide elastic fluid soft abrasive is put into the sand blasting equipment, starting the sand blasting equipment, and then carrying out secondary sand blasting treatment on the surface of the first sand blasting solid wood board, wherein the air pressure of the secondary sand blasting is 0.60MPa, the time of the secondary sand blasting is 20min, the distance of the secondary sand blasting is 200mm, and the granularity of the soft abrasive is 200 meshes; cleaning in a cleaning pool, drying in a drying kiln at 75 deg.C for the second time to obtain a second sand-blasted solid wood board with water content of 8 wt%;
and step three, coating varnish on the surface of the solid wood board subjected to secondary sand blasting, wherein the thickness of the varnish is 0.3mm, naturally drying for at least 2 hours, then putting the solid wood board into a grinding machine for first grinding, cleaning floating ash, continuously spraying primer, then putting the solid wood board into the grinding machine for second grinding, wherein the thickness of the primer is 0.3mm, the thickness of the abrasive paper subjected to secondary grinding is 325 meshes, cleaning the floating ash, continuously spraying finish paint, and naturally drying to obtain the wood board.
The solid wood panel has fewer surface dents after the first sand blasting, almost no surface dents after the second sand blasting, the surface roughness of the wood after the grinding is less than 0.7 mu m, and the defective rate is 0.5%.
In conclusion, the invention reduces too many dents which are difficult to treat on the solid wood surface in the first sand blasting process by sand blasting twice, and then the solid wood furniture with smooth surface can be obtained by polishing twice. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. The sand blasting and polishing treatment process for the solid wood furniture is characterized by comprising the following steps of:
step one, after hard abrasive materials are put into sand blasting equipment, starting the sand blasting equipment, carrying out primary sand blasting treatment on the surface of the solid wood board, wherein the air pressure of primary sand blasting is 0.55-0.65 MPa, the primary sand blasting time is 1-20 min, the distance of primary sand blasting is 100-300 mm, putting the solid wood board into a cleaning pool to clean, and putting the solid wood board into a drying kiln to carry out primary drying, so that the primary sand blasting solid wood board is obtained for later use;
secondly, starting the sand blasting equipment after soft abrasive materials are put into the sand blasting equipment, carrying out secondary sand blasting treatment on the surface of the solid wood plate subjected to the primary sand blasting, wherein the air pressure of the secondary sand blasting is 0.55-0.65 MPa, the time of the secondary sand blasting is 10-30 min, the distance of the secondary sand blasting is 100-300 mm, putting the solid wood plate into a cleaning pool to clean, and putting the solid wood plate into a drying kiln to carry out secondary drying, so that the solid wood plate subjected to the secondary sand blasting is obtained for later use;
and step three, coating varnish on the surface of the solid wood plate subjected to secondary sand blasting, naturally drying for at least 2 hours, then putting the solid wood plate into a grinding machine for primary grinding, cleaning floating ash, continuously spraying primer, then putting the solid wood plate into the grinding machine for secondary grinding, cleaning floating ash, continuously spraying finish paint, and naturally drying to obtain the wood plate.
2. The sand blasting and polishing treatment process for solid wood furniture according to claim 1, characterized in that: in the first step, the hard abrasive is silicon carbide and quartz sand according to a mass ratio of 1: (0.5-0.8), wherein the particle size of the silicon carbide is 8-10 mm, and the particle size of the quartz sand is 3-5 mm; and in the second step, the particle size of the soft abrasive is 140-400 meshes.
3. The sand blasting and polishing treatment process for solid wood furniture according to claim 1 or 2, characterized in that: in the first step, the hard abrasive is silicon carbide and quartz sand according to a mass ratio of 1: 0.5, the grain diameter of the silicon carbide is 10mm, and the grain diameter of the quartz sand is 4 mm; and the granularity of the soft abrasive in the second step is 200 meshes.
4. The sand blasting and polishing treatment process for solid wood furniture according to claim 1, characterized in that: the temperature of the first drying in the first step is 80-90 ℃, and the water content after drying is 10-15 wt%; and in the second step, the temperature of the second drying is 70-80 ℃, and the water content after drying is 7-10 wt%.
5. The sand blasting and polishing treatment process for solid wood furniture according to claim 1 or 4, characterized in that: the temperature of the first drying in the first step is 80 ℃, and the water content after drying is 15 wt%; the temperature of the second drying in the second step is 70 ℃, and the water content after drying is 8 wt%.
6. The sand blasting and polishing treatment process for solid wood furniture according to claim 1, characterized in that: the thickness of the varnish in the third step is 0.2-0.5 mm; the sand paper for the first grinding in the third step is 80-140 meshes of sand paper; the thickness of the primer in the third step is 0.2-0.5 mm; and the sand paper for the second grinding in the third step is 140-400 meshes of sand paper.
7. The sand blasting and polishing treatment process for solid wood furniture according to claim 1 or 6, characterized in that: the thickness of the varnish in the third step is 0.3 mm; the sand paper for the first grinding in the third step is 80-mesh sand paper; the thickness of the primer in the third step is 0.3 mm; and the sand paper ground for the second time in the third step is 325-mesh sand paper.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910976151.3A CN112658996A (en) | 2019-10-15 | 2019-10-15 | Sand blasting and polishing treatment process for solid wood furniture |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910976151.3A CN112658996A (en) | 2019-10-15 | 2019-10-15 | Sand blasting and polishing treatment process for solid wood furniture |
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| CN112658996A true CN112658996A (en) | 2021-04-16 |
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| CN201910976151.3A Pending CN112658996A (en) | 2019-10-15 | 2019-10-15 | Sand blasting and polishing treatment process for solid wood furniture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115256584A (en) * | 2022-03-23 | 2022-11-01 | 惠州左右家私有限公司 | Solid wood furniture coating process and spraying device |
-
2019
- 2019-10-15 CN CN201910976151.3A patent/CN112658996A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115256584A (en) * | 2022-03-23 | 2022-11-01 | 惠州左右家私有限公司 | Solid wood furniture coating process and spraying device |
| CN115256584B (en) * | 2022-03-23 | 2024-02-23 | 惠州左右家私有限公司 | Coating process and spraying device for solid wood furniture |
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Application publication date: 20210416 |