CN110722417B

CN110722417B - Solid wood furniture surface grinding device

Info

Publication number: CN110722417B
Application number: CN201910967892.5A
Authority: CN
Inventors: 陈昊; 刘敏; 余小海
Original assignee: Foshan Bangyuan Mingjiang Household Products Co ltd
Current assignee: Foshan bangyuan Mingjiang household products Co.,Ltd.
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2021-06-08
Anticipated expiration: 2039-10-12
Also published as: CN110722417A

Abstract

The invention belongs to the technical field of furniture processing, and particularly relates to a solid wood furniture surface polishing device; comprises a shell and a grinding unit; the outer side wall of the bottom end of the shell is provided with a support, the inner side wall of the top end of the shell is provided with a chute plate, and the inner side wall of the bottom end of the shell is provided with a partition plate; the polishing unit comprises a push plate, a polishing plate and a polishing wheel; the push plate is connected to the partition plate in a sliding mode, a rack is arranged at the bottom end of the push plate, and the rack is meshed with the gear; the frosted plates are symmetrically arranged in the shell, one end of each frosted plate is connected with the push plate, and the other end of each frosted plate is connected in the chute plate in a sliding manner; the wood boards between the grinding plates are ground through the matching of the shell, the push plate, the grinding plate and the grinding wheel; the wood surface polishing device can improve the polishing effect on the wood surface, thereby increasing the automation degree in the wood polishing process, avoiding manual polishing and improving the working efficiency of paint coating of furniture.

Description

Solid wood furniture surface grinding device

Technical Field

The invention belongs to the technical field of furniture processing, and particularly relates to a solid wood furniture surface polishing device.

Background

Furniture refers to a large category of essential appliances and facilities for human beings to maintain normal life, engage in production practice and develop social activities; the furniture is continuously developed and innovated along with the foot step of the times, and the door is various, different in materials, complete in variety and different in purposes at present; is an important basis for establishing working and living spaces; in order to prevent the furniture from rusting and being damped in the use process, paint coating becomes an indispensable step in the furniture industry, the cost and the quality of a control product are directly influenced, and the aim of reducing the paint process and the paint using amount is always pursued by enterprises; the paint is generally composed of four parts, namely a film forming substance, a filler (pigment and filler), a solvent and an auxiliary agent. The components can be slightly changed according to the performance requirements, for example, the varnish has no pigment and filler, and the powder coating can have no solvent; the paint belongs to organic chemical high molecular materials, and the formed coating film belongs to a high molecular compound type. According to the classification of modern popular chemical products, the coating belongs to fine chemical products; modern coatings are gradually becoming a multifunctional engineering material, an important industry in the chemical industry.

In the existing paint coating process, if the surface smoothness of wooden furniture is not enough, colored paint is sprayed on the surface of the wood in time, and the paint on the surface of the furniture is easy to fall off, so that the service life of the furniture is influenced, and the use environment of the furniture is reduced.

Disclosure of Invention

In order to make up for the defects of the prior art, the problems that the paint on the surface of the furniture is easy to fall off due to insufficient surface smoothness of the existing wooden furniture, the service life of the furniture is influenced, and the use environment of the furniture is reduced are solved; the invention provides a solid wood furniture surface polishing device.

The technical scheme adopted by the invention for solving the technical problems is as follows: the polishing device comprises a shell and a polishing unit; the outer side wall of the bottom end of the shell is provided with a support, the inner side wall of the top end of the shell is provided with a chute plate, and the inner side wall of the bottom end of the shell is provided with a partition plate; gears are symmetrically arranged in a cavity between the partition board and the inner side wall of the bottom end of the shell through a motor, and an opening is formed in the partition board close to the gears; the polishing unit comprises a push plate, a polishing plate and a polishing wheel; the push plate is connected to the partition plate in a sliding mode, a rack is arranged at the bottom end of the push plate, and the rack is meshed with the gear; the frosted plates are symmetrically arranged in the shell, one end of each frosted plate is connected with the push plate, and the other end of each frosted plate is connected in the chute plate in a sliding manner; the number of the grinding wheels is multiple, and the grinding wheels are rotationally connected to the surface of the grinding plate through a motor; the wood boards between the grinding plates are ground through the matching of the shell, the push plate, the grinding plate and the grinding wheel; during the use, when needs are polished wood and are handled, insert grinding device with timber from the side earlier, rethread motor control gear rotates, thereby it slides on the baffle to drive the push pedal through rack and pinion's cooperation, distance between the control dull polish board, when the functioning distance between the dull polish board equals timber thickness, stop gear rotates, it rotates to drive the dull polish wheel through the motor this moment, the realization is to the effect of polishing on timber surface, thereby increase the degree of automation of timber polishing in-process, avoid artifical polishing, the work efficiency of furniture paint coating is improved.

Preferably, a first push rod and a second push rod are arranged between the sanding plates; the first push rod is arranged on the side surface of the grinding plate close to the upper end; the second push rod is arranged on the side surface of the frosted plate close to the lower end; the first push rod is provided with elastic abrasive paper at a position close to the abrasive wheel; the cam is coaxially rotated at the position, close to the elastic abrasive paper, of the abrasive wheel, so that the cam can rotate along with the rotation of the abrasive wheel, and the cam is in contact with the elastic abrasive paper, so that the cam can extrude the elastic abrasive paper in the rotating process, the elastic abrasive paper shakes, and the side wall of the wood is polished; during the use, after inserting grinding device with timber from the side, through motor control gear revolve, thereby the cooperation through rack and pinion drives the push pedal and slides on the baffle, distance between the control dull polish board, when the effect distance between the dull polish board equals timber thickness, stop gear revolve, it rotates to drive the dull polish wheel through the motor this moment, realize the effect of polishing to the timber surface, in the process of polishing, a push rod and No. two push rods have played the fixed action to timber, and when the dull polish wheel that is close to a push rod rotates, can drive the cam and rotate, thereby make the cam produce the extrusion to elasticity dull polish paper, when elasticity dull polish paper pressurized production shake, can polish timber's lateral wall, thereby reinforcing grinding device's the effect of polishing, grinding device's polishing range is enlarged.

Preferably, an air bag is arranged on the side wall of the grinding plate close to the cam, an air jet is arranged on the side wall of the grinding plate between the grinding wheels, and the air jet is communicated with the air bag through a hose; the wood chips near the grinding wheel are cleaned through the cooperation of the cam, the air bag and the air jet; when in use, after the wood is inserted into the grinding device from the side, the gear is controlled by the motor to rotate, so that the push plate is driven by the matching of the gear and the rack to slide on the clapboard, the distance between the grinding plates is controlled, when the acting distance between the grinding plates is equal to the thickness of wood, the gear stops rotating, the grinding wheel is driven by the motor to rotate, when the grinding wheel close to the first push rod rotates, the cam can be driven to rotate, so that the cam extrudes the air bag, the air in the air bag is conveyed to the air jet through the hose after being pressurized and then is ejected to the grinding wheel and the surface of the wood from the air jet, thereby clean the saw-dust near the dull polish wheel, prevent that the saw-dust from gluing to cause the influence to the quality of polishing of dull polish wheel after on the dull polish wheel, further improved grinding device's the effect of polishing and the quality of polishing, bring very big just easy for the staff.

Preferably, the side wall of the elastic abrasive paper is provided with an inverted triangular hole, and water is arranged between the elastic abrasive paper and the first push rod, so that when the elastic abrasive paper is extruded by the cam, the inverted triangular hole is pressed and opened, water falls down, and the abrasive wheel is cooled and cleaned; during the use, when the dull polish wheel that is close to a push rod rotates, can drive the cam and rotate, thereby make the cam produce the extrusion to elasticity dull polish paper, after elasticity dull polish paper pressurized, make the triangle hole of falling open under the effect of pressure, thereby make water between elasticity dull polish paper and a push rod flow to dull polish wheel surface from the triangle hole of falling, realize the cooling effect to the dull polish wheel, thereby improve the operating mass of dull polish wheel, reduce the change condition of dull polish wheel in the use, reinforcing grinding device's result of use, a large amount of manpower and materials have been saved.

Preferably, the bottom end of the sanding plate is connected with the push plate through a spring; the push plate is rotatably connected with a poking wheel through a motor at a position close to the sanding plate, so that when the motor drives the poking wheel to rotate, the poking wheel can poke the sanding plate to make the sanding plate move up and down repeatedly, and the sanding range of the sanding device is enlarged; when the sanding plate is used, when the motor drives the poking wheel to rotate, the poking wheel can generate poking effect on the sanding plate, when one side of the poking wheel is clamped into the bottom end of the sanding plate, the sanding plate can be driven to move upwards along with the rotation of the poking wheel, and when the end part of one side of the poking wheel rotates to the vertical push plate, the sanding plate can restore to the original position again under the action of the elastic force of the spring; in the up-and-down motion process of the sanding plate, the working range of the sanding wheel is enlarged, so that the using effect of the sanding device is further improved, the condition that wood is sanded manually is avoided, and the sanding environment is prevented from causing harm to the bodies of workers.

Preferably, the second push rod is sleeved with a sanding ring, so that the side wall of the bottom end of the wood is sanded; during the use, when needs are polished wood, insert grinding device with timber from the side earlier, rethread motor control gear revolve, thereby it slides on the baffle to drive the push pedal through rack and pinion's cooperation, control distance between the dull polish board, when the functioning distance between the dull polish board equals timber thickness, stop gear revolve, it rotates to drive the dull polish wheel through the motor this moment, the realization is to the effect of polishing on timber surface, at the dull polish wheel to the surperficial in-process of polishing on timber, dull polish ring can polish timber bottom lateral wall, thereby further strengthen grinding device's the effect of polishing, reduce staff's probability of doing over again, improve furniture paint coating's work efficiency.

The invention has the following beneficial effects:

1. according to the solid wood furniture surface polishing device, the wood boards between the grinding plates are polished through the matching of the shell, the push plate, the grinding plate and the grinding wheel, so that the automation degree in the wood polishing process is increased, manual polishing is avoided, and the working efficiency of furniture paint coating is improved.

2. According to the solid wood furniture surface polishing device, the wood chips near the grinding wheel are cleaned through the cooperation of the cam, the air bag and the air jet, the influence of the wood chips adhered to the grinding wheel on the polishing quality of the grinding wheel is prevented, and the polishing effect and the polishing quality of the polishing device are further improved.

Drawings

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

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

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

FIG. 3 is a partial enlarged view of FIG. 2 at A;

in the figure: the grinding device comprises a shell 1, a support 11, a chute plate 12, a partition plate 13, an opening 131, a gear 14, a grinding unit 2, a push plate 21, a rack 211, a poking wheel 212, a grinding plate 22, an air bag 221, an air jet port 222, a grinding wheel 23, a cam 231, a first push rod 24, a second push rod 25, a grinding ring 251, elastic abrasive paper 26 and an inverted triangular hole 261.

Detailed Description

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

As shown in fig. 1 to 3, the polishing device for the surface of solid wood furniture comprises a housing 1 and a polishing unit 2; a bracket 11 is arranged on the outer side wall of the bottom end of the shell 1, a chute plate 12 is arranged on the inner side wall of the top end of the shell 1, and a partition plate 13 is arranged on the inner side wall of the bottom end of the shell 1; gears 14 are symmetrically arranged in a cavity between the partition plate 13 and the inner side wall of the bottom end of the shell 1 through a motor, and an opening 131 is formed in the partition plate 13 close to the gear 14; the grinding unit 2 comprises a push plate 21, a grinding plate 22 and a grinding wheel 23; the push plate 21 is connected to the partition plate 13 in a sliding manner, a rack 211 is arranged at the bottom end of the push plate 21, and the rack 211 is meshed with the gear 14; the frosted plates 22 are symmetrically arranged in the shell 1, one end of each frosted plate 22 is connected with the push plate 21, and the other end of each frosted plate 22 is connected in the chute plate 12 in a sliding mode; the number of the grinding wheels 23 is multiple, and the grinding wheels 23 are rotatably connected to the surface of the grinding plate 22 through a motor; the wood boards among the grinding plates 22 are ground through the matching of the shell 1, the push plate 21, the grinding plates 22 and the grinding wheel 23; during the use, when needs are polished wood and are handled, insert grinding device with timber from the side earlier, rethread motor control gear 14 rotates, thereby drive push pedal 21 through the cooperation of gear 14 rack 211 and slide on baffle 13, distance between the control dull polish board 22, when the effect distance between dull polish board 22 equals timber thickness, stop gear 14 and rotate, it rotates to drive dull polish wheel 23 through the motor this moment, the realization is to the surperficial effect of polishing of timber, thereby increase the degree of automation of timber polishing in-process, avoid artifical polishing, the work efficiency of furniture application paint is improved.

As an embodiment of the present invention, a first push rod 24 and a second push rod 25 are disposed between the sanding plates 22; the first push rod 24 is arranged on the side surface of the sanding plate 22 close to the upper end; the second push rod 25 is arranged on the side surface of the sanding plate 22 close to the lower end; the first push rod 24 is provided with an elastic abrasive paper 26 at a position close to the abrasive wheel 23; the grinding wheel 23 is coaxially rotated with a cam 231 at a position close to the elastic grinding paper 26, so that the cam 231 can rotate along with the rotation of the grinding wheel 23, and the cam 231 is in contact with the elastic grinding paper 26, so that the cam 231 can extrude the elastic grinding paper 26 in the rotating process, the elastic grinding paper 26 shakes, and the side wall of the wood is ground; when in use, after wood is inserted into the grinding device from the side, the gear 14 is controlled by the motor to rotate, so that the push plate 21 is driven to slide on the partition plate 13 through the matching of the gear 14 and the rack 211, the distance between the abrasive plates 22 is controlled, when the acting distance between the grinding plates 22 is equal to the thickness of the wood, the gear 14 stops rotating, the grinding wheel 23 is driven by the motor to rotate, the grinding effect on the surface of the wood is realized, in the grinding process, the first push rod 24 and the second push rod 25 play a role in fixing the wood, and when the grinding wheel 23 adjacent to the first push rod 24 rotates, the cam 231 can be driven to rotate, so that the cam 231 presses the elastic sanding paper 26, and when the elastic sanding paper 26 is pressed to shake, can polish timber's lateral wall to reinforcing grinding device's the effect of polishing enlarges grinding device's the scope of polishing.

As an embodiment of the present invention, an air bag 221 is disposed on a side wall of the sanding plate 22 near the cam 231, an air jet port 222 is disposed on a side wall of the sanding plate 22 between the grinding wheels 23, and the air jet port 222 is communicated with the air bag 221 through a hose; the wood chips near the grinding wheel 23 are cleaned through the cooperation of the cam 231, the air bag 221 and the air jet 222; when the wood polishing device is used, after wood is inserted into the polishing device from the side, the gear 14 is controlled to rotate through the motor, so that the push plate 21 is driven to slide on the partition plate 13 through the matching of the gear 14 and the rack 211, the distance between the abrasive plates 22 is controlled, when the acting distance between the abrasive plates 22 is equal to the thickness of the wood, the gear 14 is stopped to rotate, at the moment, the abrasive wheel 23 is driven to rotate through the motor, when the abrasive wheel 23 close to the first push rod 24 rotates, the cam 231 can be driven to rotate, so that the cam 231 extrudes the air bag 221, the air in the air bag 221 is conveyed to the air injection port 222 through the hose after being compressed, and then is ejected to the abrasive wheel 23 and the surface of the wood from the air injection port 222, so that wood chips near the abrasive wheel 23 are cleaned, the influence on the polishing quality of the abrasive wheel 23 after the wood chips are adhered to the abrasive wheel 23 is prevented, and, brings great convenience to the working personnel.

As an embodiment of the present invention, an inverted triangular hole 261 is formed in a side wall of the elastic abrasive paper 26, and water is provided between the elastic abrasive paper 26 and the first push rod 24, so that when the cam 231 presses the elastic abrasive paper 26, the inverted triangular hole 261 is pressed open, so that the water falls down, and the abrasive wheel 23 is cooled and cleaned; during the use, when being close to the emery wheel 23 of push rod 24 and rotating, can drive cam 231 and rotate, thereby make cam 231 produce the extrusion to elasticity emery paper 26, after elasticity emery paper 26 pressurized, make triangle hole 261 open under the effect of pressure, thereby make the water between elasticity emery paper 26 and a push rod 24 flow out to emery wheel 23 surface from triangle hole 261, the cooling effect to emery wheel 23 is realized, thereby improve emery wheel 23's operating mass, reduce the change condition of emery wheel 23 in the use, reinforcing grinding device's result of use, a large amount of manpower and materials have been saved.

As an embodiment of the present invention, the bottom end of the sanding plate 22 and the push plate 21 are connected by a spring; the push plate 21 is rotatably connected with a poking wheel 212 through a motor at a position close to the sanding plate 22, so that when the motor drives the poking wheel 212 to rotate, the poking wheel 212 can poke the sanding plate 22 to move up and down repeatedly, and the sanding range of the sanding device is enlarged; when the sanding plate lifting device is used, when the motor drives the poking wheel 212 to rotate, the poking wheel 212 can produce poking effect on the sanding plate 22, when one side of the poking wheel 212 is clamped into the bottom end of the sanding plate 22, the sanding plate 22 can be driven to move upwards along with the rotation of the poking wheel 212, and when the end part of one side of the poking wheel 212 rotates to the vertical push plate 21, the sanding plate 22 can restore to the original position again under the action of the spring elasticity; in the up-and-down motion process of the sanding plate 22, the working range of the sanding wheel 23 is enlarged, so that the using effect of the sanding device is further improved, the condition of sanding wood manually is avoided, and the sanding environment is prevented from causing harm to the body of workers.

As an embodiment of the invention, a sanding ring 251 is sleeved on the second push rod 25, so that the side wall of the bottom end of the wood is sanded; during the use, when needs are polished wood and are handled, insert grinding device with timber from the side earlier, rethread motor control gear 14 rotates, thereby drive push pedal 21 through the cooperation of gear 14 rack 211 and slide on baffle 13, distance between the control dull polish board 22, when the working distance between dull polish board 22 equals timber thickness, stop gear 14 and rotate, it rotates to drive dull polish wheel 23 through the motor this moment, realize the effect of polishing to the timber surface, at dull polish wheel 23 to the surperficial in-process of polishing of timber, dull polish ring 251 can polish to timber bottom lateral wall, thereby further strengthen grinding device's the effect of polishing, reduce the probability that the staff reworked, improve the work efficiency of furniture application paint.

When the wood polishing machine is used, when wood needs to be polished, the wood is firstly inserted into the polishing device from the side, the gear 14 is controlled to rotate by the motor, so that the push plate 21 is driven to slide on the partition plate 13 through the matching of the gear 14 and the rack 211, the distance between the abrasive plates 22 is controlled, when the acting distance between the abrasive plates 22 is equal to the thickness of the wood, the gear 14 stops rotating, the motor drives the abrasive wheel 23 to rotate at the moment, the polishing effect on the surface of the wood is realized, the automation degree in the wood polishing process is increased, manual polishing is avoided, and the working efficiency of painting paint on furniture is improved; after wood is inserted into the grinding device from the side, the gear 14 is controlled to rotate through the motor, so that the push plate 21 is driven to slide on the partition plate 13 through the matching of the gear 14 and the rack 211, the distance between the grinding plates 22 is controlled, when the acting distance between the grinding plates 22 is equal to the thickness of the wood, the gear 14 is stopped to rotate, at the moment, the grinding wheel 23 is driven to rotate through the motor, the grinding effect on the surface of the wood is realized, in the grinding process, the first push rod 24 and the second push rod 25 play a role in fixing the wood, and when the grinding wheel 23 close to the first push rod 24 rotates, the cam 231 can be driven to rotate, so that the cam 231 extrudes the elastic grinding paper 26, and when the elastic grinding paper 26 is pressed to shake, the side wall of the wood can be ground, so that the grinding effect of the grinding device is enhanced, and the grinding range of the grinding device is; after wood is inserted into the grinding device from the side, the gear 14 is controlled to rotate through the motor, so that the push plate 21 is driven to slide on the partition plate 13 through the matching of the gear 14 and the rack 211, the distance between the grinding plates 22 is controlled, when the acting distance between the grinding plates 22 is equal to the thickness of the wood, the gear 14 is stopped to rotate, at the moment, the grinding wheel 23 is driven to rotate through the motor, when the grinding wheel 23 close to the first push rod 24 rotates, the cam 231 can be driven to rotate, so that the cam 231 extrudes the air bag 221, the air in the air bag 221 is conveyed to the air injection port 222 through the hose after being pressed, and then the air is ejected to the grinding wheel 23 and the surface of the wood from the air injection port 222, so that wood chips near the grinding wheel 23 are cleaned, the influence on the grinding quality of the grinding wheel 23 after the wood chips are adhered to the grinding wheel 23 is prevented, and the grinding effect, great convenience is brought to the working personnel; when the grinding wheel 23 close to the first push rod 24 rotates, the cam 231 can be driven to rotate, so that the cam 231 extrudes the elastic grinding paper 26, after the elastic grinding paper 26 is pressed, the inverted triangular hole 261 is opened under the action of pressure, so that water between the elastic grinding paper 26 and the first push rod 24 flows out of the inverted triangular hole 261 to the surface of the grinding wheel 23, the cooling effect on the grinding wheel 23 is realized, the working quality of the grinding wheel 23 is improved, the replacement condition of the grinding wheel 23 in the use process is reduced, the use effect of the grinding device is enhanced, and a large amount of manpower and material resources are saved; when the motor drives the poking wheel 212 to rotate, the poking wheel 212 can produce a poking effect on the sanding plate 22, when one side of the poking wheel 212 is clamped into the bottom end of the sanding plate 22, the sanding plate 22 can be driven to move upwards along with the rotation of the poking wheel 212, and when the end part of one side of the poking wheel 212 rotates to the vertical push plate 21, the sanding plate 22 can restore to the original position again under the action of the spring force; in the up-and-down movement process of the grinding plate 22, the working range of the grinding wheel 23 is enlarged, so that the use effect of the grinding device is further improved, the condition of manually grinding wood is avoided, and the harm of the grinding environment to the bodies of workers is prevented; when needs are polished wood, insert grinding device from the side earlier timber, rethread motor control gear 14 rotates, thereby the cooperation through gear 14 rack 211 drives push pedal 21 and slides on baffle 13, distance between the control dull polish board 22, when the working distance between the dull polish board 22 equals timber thickness, stop gear 14 and rotate, it rotates to drive dull polish wheel 23 through the motor this moment, the realization is to the effect of polishing on timber surface, at dull polish wheel 23 to the in-process of polishing on timber surface, dull polish ring 251 can polish timber bottom lateral wall, thereby further strengthen grinding device's the effect of polishing, reduce staff's probability of doing over again, improve furniture paint coating's work efficiency.

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.

Claims

1. The utility model provides a wood furniture surface grinding device which characterized in that: the grinding device comprises a shell (1) and a grinding unit (2); a support (11) is arranged on the outer side wall of the bottom end of the shell (1), a chute plate (12) is arranged on the inner side wall of the top end of the shell (1), and a partition plate (13) is arranged on the inner side wall of the bottom end of the shell (1); gears (14) are symmetrically arranged in a cavity between the partition plate (13) and the inner side wall of the bottom end of the shell (1) through a motor, and an opening (131) is formed in the partition plate (13) close to the gears (14); the grinding unit (2) comprises a push plate (21), a grinding plate (22) and a grinding wheel (23); the push plate (21) is connected to the partition plate (13) in a sliding mode, a rack (211) is arranged at the bottom end of the push plate (21), and the rack (211) is meshed with the gear (14); the grinding plates (22) are symmetrically arranged in the shell (1), one end of each grinding plate (22) is connected with the push plate (21), and the other end of each grinding plate is connected in the chute plate (12) in a sliding mode; the number of the grinding wheels (23) is multiple, and the grinding wheels (23) are rotationally connected to the surface of the grinding plate (22) through a motor; the wood boards between the grinding plates (22) are ground through the matching of the shell (1), the push plate (21), the grinding plate (22) and the grinding wheel (23);

a first push rod (24) and a second push rod (25) are arranged between the sanding plates (22); the first push rod (24) is arranged on the side surface of the sanding plate (22) close to the upper end; the second push rod (25) is arranged on the side surface of the sanding plate (22) close to the lower end; the first push rod (24) is provided with elastic abrasive paper (26) at a position close to the abrasive wheel (23); the cam (231) is coaxially rotated at the position, close to the elastic abrasive paper (26), of the abrasive wheel (23), so that the cam (231) can rotate along with the rotation of the abrasive wheel (23), and the cam (231) is in contact with the elastic abrasive paper (26), so that the cam (231) can extrude the elastic abrasive paper (26) in the rotating process, the elastic abrasive paper (26) shakes, and the side wall of the wood is ground;

an air bag (221) is arranged on the side wall of the sanding plate (22) close to the cam (231), an air jet (222) is arranged on the side wall of the sanding plate (22) between the sanding wheels (23), and the air jet (222) is communicated with the air bag (221) through a hose; the wood chips near the grinding wheel (23) are cleaned through the cooperation of the cam (231), the air bag (221) and the air jet (222).

2. The solid wood furniture surface grinding device of claim 1, wherein: be equipped with on elasticity abrasive paper (26) lateral wall and fall triangular hole (261), and be equipped with water between elasticity abrasive paper (26) and push rod (24) for when cam (231) produce the extrusion to elasticity abrasive paper (26), fall triangular hole (261) pressurized and open, thereby make water fall down, cool off and wash emery wheel (23).

3. The solid wood furniture surface grinding device of claim 1, wherein: the bottom end of the sanding plate (22) is connected with the push plate (21) through a spring; the push plate (21) is connected with a poking wheel (212) in a rotating mode through a motor at a position close to the sanding plate (22), so that when the motor drives the poking wheel (212) to rotate, the poking wheel (212) can poke the sanding plate (22) to enable the sanding plate to repeatedly move up and down, and the sanding range of the sanding device is enlarged.

4. The solid wood furniture surface grinding device of claim 1, wherein: and a sand grinding ring (251) is sleeved on the second push rod (25), so that the side wall of the bottom end of the wood is ground.