A wood door surface raw wood veneer smoothing and sanding device and an implementation method thereof

Abstract

This invention discloses a wood veneer smoothing and sanding device and its implementation method for wooden doors, belonging to the field of wood door sanding technology. The wood veneer smoothing and sanding device of this invention includes a housing, inside which a sanding roller is installed; inside a support frame, a guide roller is installed; a surface treatment plate is installed at the front end of the support frame; and a sanding plate for sanding the wood surface is installed at the lower end of the surface treatment plate. This invention solves the problem that existing sanders cannot determine the flatness of the wood surface before processing the wooden door, resulting in uneven sanding effects. This invention uses a side magnetic brake motor to move the sanding plate, sanding the wood door surface to make it flat and maintain a consistent sanding fineness. The back-and-forth movement of the surface treatment plate performs uniform sanding, thus solving the problem of uneven sanding effects caused by the inability to determine the flatness of the wood surface, and improving the quality of the sanding process.

Description

Technical Field

[0001] This invention relates to the field of wood door sanding technology, specifically to a wood door surface veneer smoothing and sanding equipment and its implementation method. Background Technology

[0002] Sanding is a crucial step in the production of solid wood furniture. It involves removing surface defects, reducing or eliminating internal board errors, improving dimensional accuracy, surface flatness, and smoothness, and ultimately enhancing surface quality. This process directly impacts the continuation of subsequent production and the final appearance of the furniture, significantly affecting its sales.

[0003] Chinese patent CN214237439U discloses a sander for wood door processing. This patent uses a threaded adjustment method to clamp the processed wood door, ensuring the stability of subsequent sanding and improving operational safety. It also allows for horizontal and vertical adjustment of the sander, accelerating the removal of surface defects and improving wood door processing efficiency.

[0004] In actual use, the sander described in the above patent cannot ensure the flatness of the raw wood surface before processing the wooden door, resulting in uneven sanding effect, affecting the quality of the finished product, and hindering the application of raw wood veneer. Therefore, it does not meet the existing needs. In response, we have proposed a sanding device for smoothing raw wood veneer on wooden door surfaces and its implementation method. Summary of the Invention

[0005] The purpose of this invention is to provide a wood veneer smoothing and sanding equipment and its implementation method for wooden doors, which solves the problem mentioned in the background art that the surface of the raw wood cannot be determined to be flat before the sanding machine processes the wooden door, resulting in uneven sanding effect, affecting the quality of the finished product, and being detrimental to the raw wood veneer.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a wood veneer smoothing and sanding device for wooden doors, comprising a device housing, wherein a sanding roller is installed inside the device housing;

[0007] It also includes a support frame, which is disposed on one side of the housing of the device. A guide roller is installed inside the support frame, a surface treatment plate is installed at the front end of the support frame, and a sanding plate for sanding the surface of the log is installed at the lower end of the surface treatment plate.

[0008] The upper fixing plate, used for mounting the sanding equipment, is located at the upper end of the support frame. A cleaning water tank is provided at the upper end of the upper fixing plate, and a water collection plate is installed inside the lower part of the upper fixing plate. The position of the water collection plate corresponds to the position of the sanding roller.

[0009] Preferably, the outer side of the device housing is provided with an integrally formed feeding groove, which is used to move the wooden door to be processed into the interior of the device housing.

[0010] Preferably, a conveyor belt is installed at the lower end of the inner part of the device housing, a conveyor roller is installed inside the conveyor belt, and an electric motor is installed on the outer side of the conveyor roller. The electric motor and the conveyor roller are connected by a coupling. An integrally formed dust collection mesh is provided on the outer surface of the conveyor belt.

[0011] Preferably, a dust cleaning roller is installed inside the housing of the device, a rubber plate is provided on the outer surface of the dust cleaning roller, and a servo motor is installed on the outside of the dust cleaning roller. The servo motor is connected to the dust cleaning roller via a connecting shaft.

[0012] Preferably, a linear guide rail is welded to the upper end face of the support frame, a movable plate is installed above the surface treatment plate, the movable plate is slidably connected to the support frame through the linear guide rail, an integrally formed sliding groove is provided at the upper end of the support frame, a telescopic rod is installed between the movable plate and the surface treatment plate, the telescopic rod extends into the interior of the movable plate and is slidably connected to the movable plate, a pressure spring is surrounded around the outside of the telescopic rod, and the two ends of the pressure spring are welded to the movable plate and the surface treatment plate respectively.

[0013] Preferably, a side magnetic brake motor is installed on one side of the upper end of the support frame, and a threaded screw is installed at one end of the side magnetic brake motor. The threaded screw passes through the moving plate and is threadedly connected to the moving plate.

[0014] Preferably, water guide pipes are installed at both ends of the cleaning water tank, an electric pump is installed inside the cleaning water tank, and the electric pump is connected to the water collection plate through the water guide pipes. An electric nozzle is provided on the lower end face of the water collection plate, and the electric nozzle is used to clean the surface of the sanding roller.

[0015] Preferably, a hydraulic cylinder is installed at the upper end of the upper fixed plate, and a lifting plate is installed at the lower end of the upper fixed plate. The lifting plate is slidably connected to the upper fixed plate through a sliding groove. A bearing sleeve is installed inside the sanding roller, and a spring shaft is installed inside the bearing sleeve. The spring shaft is fixedly connected to the bearing sleeve, and the bearing sleeve is rotatably connected to the sanding roller. The spring shaft is fixedly connected to the lifting plate coupling, and an internal rotor motor is installed inside the bearing sleeve.

[0016] Preferably, the support frame has an internal mounting groove, a connecting frame is installed at the lower end of the guide roller, a support spring is installed below the connecting frame, and the support spring is fixedly connected to the connecting frame and the support frame.

[0017] A method for implementing a sanding and smoothing equipment for wood veneer on wooden door surfaces includes the following steps:

[0018] Step 1: Place the solid wood door that needs to be sanded on the support frame, move it with the guide roller, and lift the solid wood door with the support spring so that the sanding plate is tightly attached to the surface of the solid wood door.

[0019] Step 2: Turn on the side magnetic brake motor to drive the screw to rotate. The moving plate moves on the support frame, which in turn moves the sanding plate to sand the surface of the solid wood door, making the surface of the solid wood door flat and maintaining a consistent sanding fineness.

[0020] Step 3: During the movement of the wooden door, it is evenly sanded by the sanding board. After sanding, it enters the device housing through the feeding chute. Adjust the hydraulic cylinder to lower the lifting plate, which drives the sanding roller to fit against the surface of the wooden door panel. Turn on the inner rotor motor to drive the sanding roller to rotate, and the sanding roller sands the surface of the wooden door panel.

[0021] Step 4: After sanding, the door is cleaned with a dust removal roller. The dust falls off the conveyor belt, keeping the surface of the wooden door clean. The door is then polished again with a sanding roller. After sanding, the wooden door is veneered with wood.

[0022] Step 5: After sanding, the sanding roller is sprayed with cleaning water through an electric nozzle to rinse the surface of the electric nozzle before proceeding with subsequent work.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] 1. This invention uses a surface treatment plate to place the wooden door to be sanded on a support frame. Guide rollers move the plate, and support springs lift the door, ensuring the sanding plate adheres tightly to the door surface. A magnetic brake motor is activated, rotating the threaded screw. The moving plate moves along the support frame, moving the sanding plate and sanding the door surface to achieve a smooth surface with consistent sanding fineness. The back-and-forth movement of the surface treatment plate ensures uniform sanding, thus solving the problem of uneven sanding results due to inconsistent wood surface flatness and improving the overall quality of the sanding process.

[0025] 2. This invention adjusts the hydraulic cylinder to lower the lifting plate, causing the sanding roller to adhere to the surface of the wooden door panel. The inner rotor motor is then turned on to rotate the sanding roller, which polishes the surface of the wooden door panel. After polishing, the surface is cleaned by a dust cleaning roller, and the dust falls below the conveyor belt, keeping the original wooden door surface clean. The door is then polished again by the sanding roller, and the polished wooden door is then veneered with original wood. The continuous polishing and cleaning work improves the polishing effect and facilitates better sanding results. Attached Figure Description

[0026] Figure 1 This is an axonometric view of the front view of the present invention;

[0027] Figure 2 This is an isometric view of the side view of the present invention;

[0028] Figure 3 For the present invention Figure 2 Enlarged view of a portion of area A in the middle;

[0029] Figure 4 This is a diagram showing the internal structure of the support frame of the present invention;

[0030] Figure 5 This is a bottom view of the fixing plate of the present invention;

[0031] Figure 6 For the present invention Figure 5 A magnified view of a section in area B.

[0032] In the diagram: 1. Device housing; 101. Feed chute; 2. Conveyor belt; 201. Electric motor; 3. Servo motor; 301. Dust cleaning roller; 4. Support frame; 401. Guide roller; 402. Linear guide rail; 403. Connecting frame; 404. Support spring; 405. Mounting slot; 5. Surface treatment plate; 501. Grinding plate; 502. Moving plate; 503. Threaded screw; 504. Side magnetic brake motor; 505. Telescopic rod; 506. Pressure spring; 6. Upper fixed plate; 601. Cleaning water tank; 602. Water guide pipe; 603. Lifting plate; 604. Water collection plate; 605. Electric nozzle; 7. Hydraulic cylinder; 8. Sanding roller; 801. Bearing sleeve; 802. Spring shaft. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] To address the issue that existing sanders cannot ensure a perfectly smooth surface on the raw wood before processing wooden doors, resulting in uneven sanding effects, negatively impacting finished product quality, and hindering the application of wood veneer, please refer to... Figure 1 , Figure 4 - Figure 6 This embodiment provides the following technical solution:

[0035] A wood veneer smoothing and sanding device for wooden doors includes a housing 1, and a sanding roller 8 is installed inside the housing 1.

[0036] It also includes a support frame 4, which is located on one side of the device housing 1. A guide roller 401 is installed inside the support frame 4. A surface treatment plate 5 is installed at the front end of the support frame 4. A sanding plate 501 for sanding the surface of the log is installed at the lower end of the surface treatment plate 5.

[0037] The upper fixing plate 6 is used to install the sanding equipment. The upper fixing plate 6 is located at the upper end of the support frame 4. A cleaning water tank 601 is provided at the upper end of the upper fixing plate 6, and a water collection plate 604 is installed at the lower inside of the upper fixing plate 6. The position of the water collection plate 604 corresponds to the position of the sanding roller 8.

[0038] The support frame 4 has an internal mounting groove 405. A connecting frame 403 is installed at the lower end of the guide roller 401. A support spring 404 is installed below the connecting frame 403. The support spring 404 is fixedly connected to the connecting frame 403 and the support frame 4.

[0039] Specifically, the solid wood door that needs to be sanded is placed above the support frame 4. The guide roller 401 moves, and the support spring 404 lifts the solid wood door, so that the sanding plate 501 is tightly attached to the surface of the solid wood door. The side magnetic brake motor 504 is turned on, which drives the threaded screw 503 to rotate. The moving plate 502 moves on the support frame 4, which drives the sanding plate 501 to move, sanding the surface of the solid wood door to make the surface of the solid wood door flat and maintain a consistent sanding fineness. The surface treatment plate 5 moves back and forth to perform uniform sanding work, thereby solving the problem that the solid wood surface cannot be determined to be flat, resulting in uneven sanding effect, which is conducive to improving the work quality of sanding process.

[0040] To address the technical problem of poor material loading effect in existing wooden door technologies, please refer to [link / reference needed]. Figure 1 - Figure 2 The following technical solutions are provided:

[0041] An integrally formed feeding trough 101 is provided on the outside of the device housing 1. The feeding trough 101 is used to move the wooden door to be processed into the interior of the device housing 1.

[0042] A conveyor belt 2 is installed at the lower end of the inner part of the device housing 1. A conveyor roller is installed inside the conveyor belt 2, and a motor 201 is installed on the outer side of the conveyor roller. The motor 201 and the conveyor roller are connected by a coupling. An integrally formed dust collection mesh is provided on the outer surface of the conveyor belt 2.

[0043] Specifically, the wooden door that needs to be sanded is placed on top of the support frame 4, and the wooden door to be processed is transported to the inside of the device housing 1 through the feed chute 101. The conveyor belt 2 is moved by the motor 201 to move the wooden door.

[0044] To address the technical problems of poor sanding results and inconvenient dust removal in existing technologies for wooden doors, please refer to [link to relevant documentation]. Figure 2 The following technical solutions are provided:

[0045] The dust cleaning roller 301 is installed inside the housing 1 of the device. A rubber plate is provided on the outer surface of the dust cleaning roller 301. A servo motor 3 is installed on the outside of the dust cleaning roller 301. The servo motor 3 is connected to the dust cleaning roller 301 through a connecting shaft.

[0046] Specifically, after the wooden door is sanded, it is cleaned by the dust cleaning roller 301. The cleaning powder falls below the conveyor belt 2, keeping the surface of the wooden door clean. It is then polished again by the sanding roller 8. After sanding, the wooden door is veneered with wood. The continuous sanding and cleaning work is beneficial to improving the sanding effect and facilitating the sanding work effect.

[0047] To address the technical problem of unsatisfactory pre-sanding treatment of wooden doors in existing technologies, please refer to... Figure 2 - Figure 3 The following technical solutions are provided:

[0048] A linear guide rail 402 is welded to the upper end face of the support frame 4. A movable plate 502 is installed above the surface treatment plate 5. The movable plate 502 is slidably connected to the support frame 4 through the linear guide rail 402. An integrally formed sliding groove is provided at the upper end of the support frame 4. A telescopic rod 505 is installed between the movable plate 502 and the surface treatment plate 5. The telescopic rod 505 extends into the interior of the movable plate 502 and is slidably connected to the movable plate 502. A pressure spring 506 surrounds the outside of the telescopic rod 505. The two ends of the pressure spring 506 are welded to the movable plate 502 and the surface treatment plate 5, respectively.

[0049] A magnetic brake motor 504 is installed on one side of the upper end of the support frame 4. A threaded screw 503 is installed on one end of the magnetic brake motor 504. The threaded screw 503 passes through the moving plate 502 and is threadedly connected to the moving plate 502.

[0050] Specifically, during operation, the magnetic brake motor 504 drives the threaded screw 503 to rotate, the moving plate 502 moves on the support frame 4, and drives the sanding plate 501 to move, sanding the surface of the solid wood door. The surface treatment plate 5 moves back and forth to perform uniform sanding work, and the pressure spring 506 makes the sanding plate 501 fit better, resulting in a better sanding effect.

[0051] To address the technical problem in existing sanding equipment that easily collects dust, hindering long-term operation, please refer to [link / reference]. Figure 2 , Figure 5 The following technical solutions are provided:

[0052] Water pipes 602 are installed at both ends of the cleaning water tank 601. An electric pump is installed inside the cleaning water tank 601, and the electric pump is connected to the water collection plate 604 through the water pipes 602. An electric nozzle 605 is provided on the lower end face of the water collection plate 604. The electric nozzle 605 is used to clean the surface of the sanding roller 8.

[0053] Specifically, an electric pump introduces cleaning water into the water pipe 602, which in turn injects the cleaning water into the water collection plate 604. This allows the sanding roller 8, after grinding, to be sprayed with cleaning water through the electric nozzle 605, rinsing the surface of the electric nozzle 605 for subsequent work, which is beneficial for long-term operation.

[0054] To address the technical problem of unstable structure in existing sanding equipment, which affects work quality, please refer to [link / reference needed]. Figure 1 , Figure 5 - Figure 6 The following technical solutions are provided:

[0055] A hydraulic cylinder 7 is installed at the upper end of the upper fixed plate 6, and a lifting plate 603 is installed at the lower end of the upper fixed plate 6. The lifting plate 603 is slidably connected to the upper fixed plate 6 through a sliding groove. A bearing sleeve 801 is installed inside the sanding roller 8. A spring shaft 802 is installed inside the bearing sleeve 801. The spring shaft 802 is fixedly connected to the bearing sleeve 801. The bearing sleeve 801 is rotatably connected to the sanding roller 8. The spring shaft 802 is fixedly connected to the lifting plate 603 by a coupling. An internal rotor motor is installed inside the bearing sleeve 801.

[0056] Specifically, adjusting the hydraulic cylinder 7 lowers the lifting plate 603, causing the sanding roller 8 to adhere to the surface of the wooden door panel. The inner rotor motor is then turned on to rotate the sanding roller 8, which polishes the surface of the wooden door panel. The stability of the sanding roller 8 is maintained by the spring shaft 802, which helps to improve the quality of work.

[0057] A method for implementing a sanding and smoothing equipment for wood veneer on wooden door surfaces includes the following steps:

[0058] Step 1: Place the solid wood door that needs to be sanded on top of the support frame 4, move it through the guide roller 401, and lift the solid wood door through the support spring 404 so that the sanding plate 501 is tightly attached to the surface of the solid wood door.

[0059] Step 2: Turn on the side magnetic brake motor 504, which drives the threaded screw 503 to rotate. The moving plate 502 moves on the support frame 4, which drives the sanding plate 501 to move and sand the surface of the solid wood door to make the surface of the solid wood door flat and maintain the same sanding fineness.

[0060] Step 3: During the movement of the solid wood door, it is evenly sanded by the sanding plate 501. After sanding, it enters the device housing 1 through the feed groove 101. Adjust the hydraulic cylinder 7 to lower the lifting plate 603, which drives the sanding roller 8 to fit against the surface of the wood door panel. Turn on the inner rotor motor to drive the sanding roller 8 to rotate, and the sanding roller 8 sands the surface of the wood door panel.

[0061] Step 4: After sanding, the dust cleaning roller 301 is used for cleaning. The cleaning powder falls below the conveyor belt 2 to keep the surface of the wooden door clean. The door is then polished again by the sanding roller 8. After sanding, the wooden door is veneered with wood.

[0062] Step 5: After sanding, the sanding roller 8 is sprayed with cleaning water through the electric nozzle 605 to rinse the surface of the electric nozzle 605 for subsequent work.

[0063] Working Principle: The solid wood door to be sanded is placed above the support frame 4. The guide roller 401 moves, and the support spring 404 lifts the solid wood door, ensuring the sanding plate 501 is tightly attached to the door surface. The magnetic brake motor 504 is activated, driving the threaded screw 503 to rotate. The moving plate 502 moves on the support frame 4, moving the sanding plate 501 to sand the door surface, making it smooth and maintaining a consistent sanding fineness. The surface treatment plate 5 moves back and forth for even sanding, thus solving the problem of uneven sanding results caused by inconsistent wood surface smoothness, improving the quality of the sanding process. After sanding, the material enters the device housing 1 through the feed chute 101. Adjusting the hydraulic cylinder 7 lowers the lifting plate 603, causing the sanding roller 8 to adhere to the door surface. On the surface of the board, the inner rotor motor drives the sanding roller 8 to rotate, and the sanding roller 8 polishes the surface of the wooden door panel. The stability of the sanding roller 8 is maintained by the spring shaft 802, which helps to improve the work quality. After the wooden door is sanded, it is cleaned by the dust cleaning roller 301. The cleaning powder falls below the conveyor belt 2, keeping the surface of the wooden door clean. It is then polished again by the sanding roller 8. After sanding, the wooden door is veneered. The continuous sanding work and cleaning work are carried out at the same time, which helps to improve the sanding effect and facilitates the sanding work effect. The cleaning water is introduced into the water guide pipe 602 by the electric pump. The water guide pipe 602 injects the cleaning water into the water collection plate 604, so that the sanding roller 8 is sprayed with cleaning water through the electric nozzle 605, rinsing the surface of the electric nozzle 605 for subsequent work, which is conducive to long-term work.

[0064] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0065] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A wooden door surface raw wood veneer smoothing sanding device comprising a device housing (1), characterized in that, A sanding roller (8) is installed inside the housing (1) of the device. It also includes a support frame (4), which is disposed on one side of the housing (1) of the device. A guide roller (401) is installed inside the support frame (4). A surface treatment plate (5) is installed at the front end of the support frame (4). A polishing plate (501) for polishing the surface of the log is installed at the lower end of the surface treatment plate (5). A linear guide rail (402) is welded to the upper end face of the support frame (4). A movable plate (502) is installed above the surface treatment plate (5). The movable plate (502) is slidably connected to the support frame (4) through the linear guide rail (402). An integrally formed sliding groove is provided at the upper end of the support frame (4). A telescopic rod (505) is installed between the movable plate (502) and the surface treatment plate (5). The telescopic rod (505) extends into the interior of the movable plate (502) and is slidably connected to the movable plate (502). A pressure spring (506) surrounds the outside of the telescopic rod (505). The two ends of the pressure spring (506) are welded to the movable plate (502) and the surface treatment plate (5) respectively. A side magnetic brake motor (504) is installed on one side of the upper end of the support frame (4). A threaded screw (503) is installed at one end of the side magnetic brake motor (504). The threaded screw (503) passes through the moving plate (502) and is threadedly connected to the moving plate (502). The upper fixing plate (6) is used to install the sanding equipment. The upper fixing plate (6) is located at the upper end of the support frame (4). A cleaning water tank (601) is provided at the upper end of the upper fixing plate (6), and a water collection plate (604) is installed at the lower inside of the upper fixing plate (6). The position of the water collection plate (604) corresponds to the position of the sanding roller (8). A hydraulic cylinder (7) is installed at the upper end of the upper fixed plate (6), and a lifting plate (603) is installed at the lower end of the upper fixed plate (6). The lifting plate (603) is slidably connected to the upper fixed plate (6) through a sliding groove. A bearing sleeve (801) is installed inside the sanding roller (8). A spring shaft (802) is installed inside the bearing sleeve (801). The spring shaft (802) is fixedly connected to the bearing sleeve (801). The bearing sleeve (801) is rotatably connected to the sanding roller (8). The spring shaft (802) is fixedly connected to the lifting plate (603) by a coupling. An internal rotor motor is installed inside the bearing sleeve (801). The dust cleaning roller (301) is installed inside the housing (1) of the device. A rubber plate is provided on the outer surface of the dust cleaning roller (301). A servo motor (3) is installed on the outside of the dust cleaning roller (301). The servo motor (3) is connected to the dust cleaning roller (301) through a connecting shaft. Both ends of the cleaning water tank (601) are equipped with water guide pipes (602). An electric pump is installed inside the cleaning water tank (601), and the electric pump is connected to the water collection plate (604) through the water guide pipes (602). An electric nozzle (605) is provided on the lower end face of the water collection plate (604). The electric nozzle (605) is used to clean the surface of the sanding roller (8). An integrally formed feeding groove (101) is provided on the outside of the device housing (1). The feeding groove (101) is used to move the wooden door to be processed into the inside of the device housing (1). The lower end of the inside of the device housing (1) is equipped with... There is a conveyor belt (2), inside which a conveyor roller is installed, and on the outside of the conveyor roller is a motor (201). The motor (201) and the conveyor roller are connected by a coupling. The outer surface of the conveyor belt (2) is provided with an integrally formed dust collection mesh. The support frame (4) is provided with an installation groove (405). A connecting frame (403) is installed at the lower end of the guide roller (401). A support spring (404) is installed below the connecting frame (403). The support spring (404) is fixedly connected to the connecting frame (403) and the support frame (4).

2. The method of claim 1, wherein the wood door surface raw wood veneer smoothing sanding apparatus is characterized by, Includes the following steps: Step 1: Place the wooden door that needs to be sanded on the support frame (4), move it through the guide roller (401), and lift the wooden door through the support spring (404) so ​​that the sanding plate (501) is tightly attached to the surface of the wooden door; Step 2: Turn on the side magnetic brake motor (504), drive the threaded screw (503) to rotate, the moving plate (502) moves on the support frame (4), and drive the grinding plate (501) to move to grind the surface of the original wood door, so that the surface of the original wood door is flat and the same grinding fineness is maintained. Step 3: During the movement of the wooden door, it is evenly sanded by the sanding plate (501). After sanding, it enters the device housing (1) through the feed groove (101). Adjust the hydraulic cylinder (7) to lower the lifting plate (603) and drive the sanding roller (8) to fit against the surface of the wooden door. Turn on the inner rotor motor to drive the sanding roller (8) to rotate. The sanding roller (8) sands the surface of the wooden door. Step 4: After sanding, the dust cleaning roller (301) is used for cleaning. The cleaning powder falls below the conveyor belt (2) to keep the surface of the original wood door clean. The door is then polished again by the sanding roller (8). The sanded wood door is then veneered with wood. Step 5: The sanding roller (8) after grinding is sprayed with cleaning water through the electric nozzle (605) to rinse the surface of the electric nozzle (605) for subsequent work.

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