A uv excimer coating process for veneer

Abstract

The present application relates to the UV excimer coating technology field of wood veneer, specifically to a kind of UV excimer coating process of wood veneer, including conveying unit and processing unit, the present application is positioned to vertical wood veneer by conveying unit and is conveyed, reduce the processing site area required by wood veneer, to reach the purpose of reducing the processing cost of wood veneer, wood veneer is simultaneously processed by processing unit to both sides, to reach the purpose of improving the processing efficiency of equipment, by conveying unit and processing unit cooperation, it can be adjusted according to the surface of wood veneer of different thickness, so that the surface of wood veneer of different thickness is processed, to reach the purpose of improving the use efficiency of equipment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of UV excimer coating of wood veneer, in particular to a UV excimer coating process of wood veneer. BACKGROUND

[0002] Wood veneer is a kind of home decoration board, and UV excimer coating of wood veneer is a kind of advanced surface treatment technology, which is commonly used for decoration and protection of wooden products such as wooden furniture, floor, door and window, etc. The advantages of UV excimer coating mainly include: fast curing, high gloss, wear resistance, chemical resistance, environmental protection and energy saving.

[0003] The main steps of UV excimer coating of wood veneer include: feeding and dust removal, spraying primer, UV coating curing and sanding operation, and inspection and packaging. During the whole processing process, the wood veneer is generally placed horizontally and positioned, and the wood veneer is conveyed. During the conveying process, single-sided processing is carried out. After the processing is completed, the wood veneer is turned over, and the other side of the wood veneer is processed. The wood veneer needs to be processed twice, so the processing efficiency of the wood veneer is low, and the processing space required by the horizontally conveyed wood veneer is large, resulting in a large processing site, so the processing cost of the wood veneer is high. SUMMARY

[0004] In view of the above problems, the present application provides a UV excimer coating process of wood veneer to solve the technical problem that the wood veneer needs to be processed twice in the related art, resulting in low processing efficiency of the wood veneer, and the processing space required by the horizontally conveyed wood veneer is large, resulting in a large processing site, so the processing cost of the wood veneer is high. In order to achieve the above purpose, the present application provides the following technical scheme.

[0005] The first aspect of the present application provides a UV excimer coating process of wood veneer, which uses a UV excimer coating device of wood veneer, including a conveying unit and a processing unit. The specific method for coating the UV excimer of wood veneer by using the above-mentioned UV excimer coating device of wood veneer is as follows:

[0006] S1, fixed spraying: the wood veneer with smooth base after spraying primer and surface sanding treatment is fixed one by one through the clamping frame, the wood veneer is driven to rotate clockwise by the hanging assembly line, the first wood veneer at the beginning first contacts the spraying frame, and the UV excimer coating is sprayed on the surface of the wood veneer by the spraying frame.

[0007] S2, conveying and curing: the wood veneer is driven to rotate clockwise by the hanging assembly line, the first wood veneer at the beginning contacts the curing frame, so that the UV excimer coating on the surface of the wood veneer is cured by light, and the second wood veneer at the beginning contacts the spraying frame.

[0008] S3, sanding: the veneer board continues to rotate clockwise under the driving of the hanging assembly line, the initial veneer board contacts the sanding frame to sand the surface of the cured veneer board, at the same time, the second veneer board contacts the curing frame, and the third veneer board contacts the spraying frame.

[0009] S4, continue processing: the hanging assembly line continues to drive the veneer board to rotate clockwise, so that the remaining veneer board completes the spraying, curing and sanding treatment during transportation.

[0010] S5, check and package: clean and check the veneer board after sanding, and package the veneer board passing the check.

[0011] The processing unit is arranged on the conveying unit and is used for processing the surface of the veneer board; the conveying unit comprises a fixed support, a hanging assembly line for driving the veneer board to move is fixedly installed at the upper end of the fixed support, clamping frames for clamping and fixing the veneer board are uniformly fixedly installed at the lower end of the hanging assembly line, a rectangular limiting plate for limiting the processing unit is fixedly installed at the front upper end of the hanging assembly line, and the processing unit is arranged at the lower end of the rectangular limiting plate; the processing unit comprises a distance control frame, the distance control frame is arranged on the rectangular limiting plate and is used for controlling the distance between the processing ends, a straight electric track for controlling the reciprocating movement of the processing ends in the vertical plane is fixedly installed at the front end of the middle part of the rectangular limiting plate, guide rods for limiting the movement path of the processing ends are fixedly installed at the front and rear sides of the lower end of the distance control frame, guide blocks for fixing the processing ends are connected to the guide rods in a sliding fit mode, the electric sliding blocks on the straight electric track are connected to the corresponding guide blocks in a sliding fit mode, a telescopic rod one for ensuring the front guide blocks to move together is fixedly installed between the front guide blocks, a telescopic rod two for ensuring the rear guide blocks to move together is fixedly installed between the rear guide blocks, the guide blocks are divided into three groups, the four front and rear guide blocks on the left side are the first group, the four front and rear guide blocks in the middle part are the second group, and the four front and rear guide blocks on the right side are the third group; a sanding frame for sanding the surface of the cured veneer board is arranged between the front and rear guide blocks in the first group, a curing frame for curing the UV excimer coating on the surface of the veneer board is fixedly installed between the front and rear guide blocks in the second group, and a spraying frame for spraying the UV excimer coating on the surface of the veneer board is fixedly installed between the front and rear guide blocks in the third group.

[0012] According to the embodiment of the application, the fixed support comprises a fixed base, support columns one are uniformly fixedly installed at the upper end of the fixed base, support columns two are uniformly fixedly installed at the outer ends of the support columns one, and the support columns two are fixedly connected with the hanging assembly line.

[0013] According to the embodiment of the present application, the distance control frame comprises moving blocks, the lower ends of the rectangular limiting plates are uniformly connected with moving groups in a sliding fit manner, the number of the moving groups is three, each moving group is composed of left-right symmetrical moving blocks, a threaded rod is rotatably connected to the middle of the rectangular limiting plate, a motor one is fixedly installed on the right end of the rectangular limiting plate through a motor base, the output shaft of the motor one is fixedly connected with the threaded rod through a shaft coupling, thread groups are formed on the threaded rod and located in the moving groups, each thread group is composed of left-right two screw grooves with opposite rotation directions, the left-right two screw grooves on each thread group are connected with the left-right two moving blocks of each moving group in a threaded connection manner, and guide rods are fixedly installed on the lower ends of the moving blocks.

[0014] According to the embodiment of the present application, the telescopic rod one comprises fixed rods, the fixed rods are fixedly installed between the front guide blocks, the moving rods are connected between the fixed rods on the adjacent guide blocks in a sliding fit manner, and the connecting springs are fixedly connected between the moving rods and the fixed rods.

[0015] According to the embodiment of the present application, the sanding frame comprises rotating wheels, left-right symmetrical rotating wheels are installed between the front-back corresponding guide blocks in the first group, the rotating wheels on the front-back corresponding guide blocks are connected through a grinding wheel belt transmission, the front ends of the adjacent two rotating wheels on the left-right two guide blocks are fixedly installed with chain wheels one, a rectangular slot is formed at the front end of the left front guide block in the first group, cylindrical springs are fixedly installed inside the rectangular slot in a left-right symmetrical manner, square blocks are fixedly installed at the ends of the cylindrical springs, the square blocks are connected with the rectangular slot in a sliding fit manner, chain wheels two are rotatably connected to the front ends of the square blocks, the chain wheels one and the chain wheels two are connected through a toothed chain belt transmission, a motor two is fixedly installed on the right front guide block in the third group through a motor base, and the output shaft of the motor two is fixedly connected with the corresponding chain wheel one through a shaft coupling.

[0016] According to the embodiment of the present application, the curing frame comprises ultraviolet lamp frames, the ultraviolet lamp frames are fixedly installed between the front-back corresponding guide blocks in the second group, and the opposite ends of the ultraviolet lamp frames are fixedly installed with blocking plates.

[0017] According to the embodiment of the present application, the spray brushing frame comprises paint containing barrels, the paint containing barrels are fixedly installed between the front-back corresponding guide blocks in the third group, the opposite ends of the paint containing barrels are fixedly installed with delivery pumps, the opposite ends of the delivery pumps are fixedly installed with paint spraying barrels, the opposite ends of the paint spraying barrels are fixedly installed with a plurality of spray heads, and the plurality of spray heads are uniformly arranged.

[0018] From the above technical solutions, the present application has the following advantages:

[0019] 1. In the application, the threaded rod is driven to rotate by the motor, the distance between the moving blocks on each moving group is controlled by the opposite helical grooves on the left and right sides, thereby controlling the distance between the moving blocks and the veneer board, so as to change the distance between the sanding frame, the curing frame and the spraying frame and the surface of the veneer board, thereby adjusting the sanding frame, the curing frame and the spraying frame according to the thickness of the veneer board, ensuring that the equipment can process the surface of veneer boards of different thicknesses, improving the use efficiency of the equipment, and during the whole processing process, the veneer board is vertically placed, reducing the required working area and reducing the cost required for equipment processing.

[0020] 2. In the application, the square block is driven to move by the cylindrical spring, the distance between the chain wheel two on the square block and the chain wheel one on the right side changes with the distance between the guide blocks, ensuring that the chain belt is always in a tight state, the chain wheel is driven to rotate by the motor two, and finally the left and right sand wheels are driven to move, the left and right ends of the veneer board are subjected to opposite friction forces, so that the veneer board is balanced, preventing the veneer board from being skewed during sanding, thereby smoothly sanding the two surfaces of the veneer board, improving the processing efficiency of the equipment, and ensuring the quality of the veneer board, so as to ensure the processing quality of the equipment.

[0021] 3. In the application, the UV excimer coating on the surface of the veneer board is irradiated and cured by the ultraviolet lamp frame, the blocking plate prevents the light emitted by the ultraviolet lamp frame from irradiating the veneer board surface being sprayed, so that the UV excimer coating on the surface of the spraying part on the spraying frame is irradiated and solidified, affecting the normal use of the spraying frame, thereby ensuring the smooth processing of the veneer board, ensuring the processing efficiency of the equipment, and ensuring the quality of the veneer board, so as to ensure the processing quality of the equipment.

[0022] In addition to the technical problems solved by the above-described embodiments of the application, the technical features constituting the technical solutions and the beneficial effects brought by these technical features, the other technical problems solved by the UV excimer coating process based on a veneer board provided by the embodiments of the application, and the beneficial effects brought by these technical features will be further described in detail in the specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only embodiments of the application, and those skilled in the art can obtain other drawings according to the provided drawings without creating any creative labor.

[0024] Figure 1A workflow diagram of the present application is shown.

[0025] Figure 2 A front view structural schematic diagram provided by an embodiment of the present application is shown.

[0026] Figure 3 A partial enlarged view of N of Figure 2 is shown.

[0027] Figure 4 A front view structural schematic diagram provided by an embodiment of the present application is shown.

[0028] Figure 5 A partial enlarged view of M of Figure 4 is shown.

[0029] Figure 6 A front view sectional plane structural schematic diagram of the telescopic rod one is shown.

[0030] Figure 7 A top view plane structural schematic diagram provided by an embodiment of the present application is shown.

[0031] Figure 8 A sectional view of A-A of Figure 7 is shown.

[0032] Among them, the above-mentioned drawings include the following reference signs:

[0033] 1, conveying unit; 11, fixed support; 111, fixed base; 112, support column one; 113, support column two; 12, suspended flow line; 13, clamping frame; 14, rectangular limiting plate; 2, processing unit; 21, distance control frame; 211, moving block; 212, threaded rod; 213, motor one; 22, straight electric track; 23, guide rod; 24, guide block; 25, telescopic rod one; 251, fixed rod; 252, moving rod; 253, connecting spring; 26, telescopic rod two; 27, sanding frame; 271, rotating wheel; 272, sand wheel belt; 273, chain wheel one; 274, rectangular groove; 275, cylindrical spring; 276, square block; 277, chain wheel two; 278, toothed chain belt; 279, motor two; 28, curing frame; 281, ultraviolet lamp frame; 282, blocking plate; 29, spray frame; 291, paint containing cylinder; 292, conveying pump; 293, paint spraying cylinder; 294, spray head. DETAILED DESCRIPTION

[0034] In order to make the above objectives, features and advantages of the present application more obvious and comprehensible, the specific embodiments of the present application will be described in detail below with reference to the drawings. In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0035] Referring to Figure 1 A UV excimer coating process for wood veneer boards using a UV excimer coating device for wood veneer boards, comprising a conveying unit 1 and a processing unit 2, the specific method for coating the wood veneer boards with UV excimer using the above-mentioned UV excimer coating device for wood veneer boards is as follows:

[0036] S1, fixed spraying: the wood veneer boards with smooth base after spraying primer and surface sanding treatment are fixed one by one through the clamping frame 13, the wood veneer boards are driven to rotate clockwise by the hanging assembly line 12, the first wood veneer board at the beginning first contacts the spraying frame 29, and the wood veneer board surface is sprayed with UV excimer coating through the spraying frame 29.

[0037] S2, conveying and curing: the wood veneer boards are driven to rotate clockwise by the hanging assembly line 12, the first wood veneer board at the beginning contacts the curing frame 28, so that the UV excimer coating on the surface of the wood veneer board is cured by light, and at the same time, the second wood veneer board at the beginning contacts the spraying frame 29.

[0038] S3, conveying and sanding: the wood veneer boards are continuously driven to rotate clockwise by the hanging assembly line 12, the wood veneer board at the beginning contacts the sanding frame 27, and the wood veneer board surface after light curing is subjected to sanding treatment, at the same time, the second wood veneer board at the beginning contacts the curing frame 28, and the third wood veneer board at the beginning contacts the spraying frame 29.

[0039] S4, continue processing: the hanging assembly line 12 continues to drive the wood veneer boards to rotate clockwise, so that the remaining wood veneer boards complete the spraying, light curing and sanding treatment during transportation.

[0040] S5, inspection and packaging: the wood veneer boards after sanding treatment are cleaned and inspected, and the wood veneer boards passing the inspection are packaged.

[0041] The processing unit 2 is arranged on the conveying unit 1 and used for processing the surface of the veneer board; the conveying unit 1 comprises a fixed support 11, a suspension assembly line 12 for moving the veneer board is fixedly installed on the upper end of the fixed support 11, clamping frames 13 for clamping and fixing the veneer board are uniformly fixedly installed on the lower end of the suspension assembly line 12, a rectangular limiting plate 14 for limiting the processing unit 2 is fixedly installed on the front upper end of the suspension assembly line 12, and the processing unit 2 is arranged on the lower end of the rectangular limiting plate 14; the processing unit 2 comprises distance control frames 21, the distance control frames 21 are arranged on the rectangular limiting plate 14 and used for controlling the distance between processing ends, a straight electric track 22 for controlling the reciprocating movement of the processing ends on a vertical plane is fixedly installed on the front end of the middle part of the rectangular limiting plate 14, guide rods 23 for limiting the movement path of the processing ends are fixedly installed on the front and rear sides of the lower end of the distance control frames 21, guide blocks 24 for fixing the processing ends are connected to the guide rods 23 in a sliding fit mode, the rear end of an electric sliding block on the straight electric track 22 is connected to the corresponding guide block 24 in a sliding fit mode, a telescopic rod one 25 for ensuring the movement of the front guide blocks 24 together is fixedly installed between the front guide blocks 24, a telescopic rod two 26 for ensuring the movement of the rear guide blocks 24 together is fixedly installed between the rear guide blocks 24, the guide blocks 24 are divided into three groups, the four front and rear guide blocks 24 on the left side are the first group, the four front and rear guide blocks 24 in the middle part are the second group, and the four front and rear guide blocks 24 on the right side are the third group, wherein a sanding frame 27 for sanding the surface of the cured veneer board is arranged between the front and rear guide blocks 24 in the first group, a curing frame 28 for curing the UV excimer coating on the surface of the veneer board is fixedly installed between the front and rear guide blocks 24 in the second group, and a brush spraying frame 29 for spraying the UV excimer coating on the surface of the veneer board is fixedly installed between the front and rear guide blocks 24 in the third group.First, the veneer board is clamped on the clamping frame 13 one by one, and the veneer board is driven to rotate clockwise by the hanging assembly line 12, the first veneer board contacts the spraying frame 29 first, the veneer board surface is sprayed with UV excimer coating through the spraying frame 29, the veneer board is driven to rotate clockwise by the hanging assembly line 12, the first veneer board contacts the curing frame 28, the UV excimer coating on the veneer board surface is cured by light, at the same time, the second veneer board contacts the spraying frame 29, the veneer board is driven to continue to rotate clockwise by the hanging assembly line 12, the veneer board contacts the sanding frame 27, the veneer board surface is sanded after light curing, at the same time, the second veneer board contacts the curing frame 28, the third veneer board contacts the spraying frame 29, the veneer board is driven to continue to rotate clockwise by the hanging assembly line 12, so that the veneer board completes the spraying, light curing and sanding during transportation, the veneer board is vertically conveyed, the processing space is saved, and the waste of the working site is reduced, after the first veneer board completes all processing by moving three times, the veneer board is conveyed out of the sanding frame 27, and the processing is completed, during the whole processing process, the veneer board is processed on both sides at the same time, the processing efficiency of the equipment is improved, the veneer board is vertically positioned and conveyed, the space required for veneer board processing is reduced, and the veneer board processing cost is reduced.

[0042] According to the embodiment of the present application, the fixing support 11 comprises a fixing base 111, a supporting column one 112 is uniformly fixed and installed on the upper end of the fixing base 111, a supporting column two 113 is uniformly fixed and installed on the outer end of the supporting column one 112, and the supporting column two is fixedly connected with the hanging assembly line 12.

[0043] According to the embodiment of the present application, the distance control frame 21 comprises moving blocks 211, the lower end of the rectangular limiting plate 14 is uniformly connected with moving groups in a sliding fit manner, the number of the moving groups is three, each moving group is composed of left-right symmetrical moving blocks 211, the middle part of the rectangular limiting plate 14 is rotationally connected with a threaded rod 212, the right end of the rectangular limiting plate 14 is fixedly installed with a motor one 213 through a motor base, the output shaft of the motor one 213 is fixedly connected with the threaded rod 212 through a shaft coupling, each threaded group is formed by left-right two screw grooves with opposite rotation directions, the left-right two screw grooves of each threaded group are connected with the left-right two moving blocks 211 of each moving group in a threaded connection manner, and the lower end of the moving block 211 is fixedly installed with a guide rod 23 on the front and back sides; the threaded rod 212 is driven to rotate by the motor one 213, the left-right two screw grooves with opposite rotation directions are used to control the distance between the moving blocks 211 of each moving group, thereby controlling the distance between the moving blocks 211 and the veneer plate, so as to change the distance between the sanding frame 27, the curing frame 28 and the spraying frame 29 and the surface of the veneer plate, thereby adjusting the sanding frame 27, the curing frame 28 and the spraying frame 29 according to the thickness of the veneer plate, and ensuring that the equipment can process the surfaces of veneer plates with different thicknesses.

[0044] According to the embodiment of the present application, the telescopic rod one 25 comprises fixed rods 251, the front side guide blocks 24 are fixedly installed with the fixed rods 251, the moving rods 252 are commonly connected with the fixed rods 251 in a sliding fit manner between the fixed rods 251 on adjacent guide blocks 24, and the connecting springs 253 are fixedly connected between the moving rods 252 and the fixed rods 251; the connecting springs 253 balance the force between the moving rods 252 and the fixed rods 251, thereby ensuring that the front side guide blocks commonly move in a vertical plane.

[0045] According to the embodiment of the present application, the sanding frame 27 comprises rotating wheels 271, the rotating wheels 271 are symmetrically installed between the front and back corresponding guide blocks 24 in the first group, the rotating wheels 271 on the front and back corresponding guide blocks 24 are drivingly connected through the sanding wheel belts 272, the front ends of the adjacent two rotating wheels 271 on the guide blocks 24 on the left and right sides are fixedly installed with sprocket wheels one 273, the front end of the left front guide block 24 in the first group is provided with a rectangular slot 274, the inside of the rectangular slot 274 is fixedly installed with cylindrical springs 275 symmetrically, the ends of the cylindrical springs 275 are fixedly installed with a square block 276, the square block 276 is connected with the rectangular slot 274 in a sliding fit manner, the front end of the square block 276 is rotatably connected with a sprocket wheel two 277, the sprocket wheel one 273 and the sprocket wheel two 277 are drivingly connected through a toothed chain belt 278, the front end of the right front guide block 24 in the third group is fixedly installed with a motor two 279 through a motor base, the output shaft of the motor two 279 is fixedly connected with the corresponding sprocket wheel one 273 through a shaft coupling; the sprocket wheel is driven to rotate by the motor two 279, the rotating wheels 271 are synchronously rotated under the driving of the toothed chain belt 278, the sanding wheel belts 272 on the left and right sides are driven to move, the left and right end faces of the veneer board are sanded, the left and right ends of the veneer board are subjected to opposite friction forces, so that the veneer board is balanced in stress, the veneer board is prevented from being skewed in stress during sanding, the square block 276 is driven to move by the cylindrical springs 275, so that the distance between the sprocket wheel two 277 on the square block 276 and the sprocket wheel one 273 on the right side changes with the change of the distance between the guide blocks 24, and the toothed chain belt 278 is always kept in a taut state.

[0046] According to the embodiment of the present application, the curing frame 28 comprises ultraviolet lamp frames 281, the ultraviolet lamp frames 281 are fixedly installed between the front and back corresponding guide blocks 24 in the second group, the opposite ends of the ultraviolet lamp frames 281 are fixedly installed with baffle plates 282; the UV excimer paint on the surface of the veneer board is irradiated and cured by the ultraviolet lamp frames 281, the light emitted by the ultraviolet lamp frames 281 is prevented from irradiating to the surface of the veneer board being sprayed by the baffle plates 282, so that the UV excimer paint overflowing from the surface of the spraying part on the spraying frame 29 is irradiated and solidified, and the normal use of the spraying frame 29 is affected.

[0047] According to the embodiment of the present application, the spraying frame 29 comprises paint containing barrels 291, the paint containing barrels 291 are fixedly installed between the front and back corresponding guide blocks 24 in the third group, the opposite ends of the paint containing barrels 291 are fixedly installed with delivery pumps 292, the opposite ends of the delivery pumps 292 are fixedly installed with paint spraying barrels 293, the opposite ends of the paint spraying barrels 293 are fixedly installed with a plurality of spray heads 294, and the plurality of spray heads 294 are uniformly arranged; the UV excimer paint is sprayed to the surface of the veneer board by the spray heads 294.

[0048] In the description of the present application, it is to be understood by the terms "center", "middle", "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", "end", "axial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0049] In addition, the terms "first", "second", "one", "two", "one", "two" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0050] In the description of the present application, it is also necessary to explain that, unless otherwise explicitly specified and limited, the terms "set", "connected", "mounted", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, slidingly connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0051] The embodiments of the specific implementation are the preferred embodiments of the present application, and are not limited to the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A UV excimer coating process for wood veneer, comprising a UV excimer coating device for wood veneer, including a conveying unit (1) and a processing unit (2), characterized in that... The specific method for applying UV excimer coating to wood veneer using the aforementioned UV excimer coating equipment is as follows: S1, Fixed spraying: The wood veneer boards with smooth base after being sprayed with primer and sanded are fixed one by one by the clamping frame (13). The wood veneer boards are rotated clockwise by the suspended production line (12). The first wood veneer board first contacts the spray brush frame (29). The UV excimer coating is sprayed on the surface of the wood veneer board by the spray brush frame (29). S2, Conveying and curing: The wood veneer board rotates clockwise under the drive of the suspended assembly line (12). The first wood veneer board at the beginning contacts the curing rack (28), so that the UV excimer coating on the surface of the wood veneer board is cured by light. At the same time, the second wood veneer board at the beginning contacts the spray brush rack (29). S3, conveying sanding: the wood veneer board continues to rotate clockwise under the drive of the suspended production line (12). The first wood veneer board contacts the sanding frame (27) to sand the surface of the wood veneer board after curing. At the same time, the second wood veneer board contacts the curing frame (28), and the third wood veneer board contacts the spray brush frame (29). S4. Continue processing: The suspended production line (12) continues to rotate the veneer board clockwise, so that the remaining veneer board can be painted, cured and sanded during transportation. S5. Inspection and Packaging: Clean and inspect the sanded veneer boards, and then proceed with the packaging of the inspected veneer boards. The processing unit (2) is located on the conveying unit (1) and is used to process the surface of the wood veneer board. The conveying unit (1) includes a fixed bracket (11), a suspended assembly line (12) that drives the wood veneer board to move is fixedly installed on the upper end of the fixed bracket (11), a clamping frame (13) that clamps and fixes the wood veneer board is uniformly fixedly installed on the lower end of the suspended assembly line (12), a rectangular limiting plate (14) that limits the processing unit (2) is fixedly installed on the upper front side of the suspended assembly line (12), and the processing unit (2) is provided at the lower end of the rectangular limiting plate (14). The processing unit (2) includes a distance control frame (21). A distance control frame (21) for controlling the distance between processing ends is provided on a rectangular limiting plate (14). A straight electric track (22) for controlling the reciprocating movement of the processing ends on a vertical plane is fixedly installed at the front end of the middle part of the rectangular limiting plate (14). Guide rods (23) for limiting the movement path of the processing ends are fixedly installed on both the front and rear sides of the lower end of the distance control frame (21). Guide blocks (24) for fixing the processing ends are connected to the guide rods (23) in a sliding fit. The rear end of the electric slider on the straight electric track (22) is connected to the corresponding guide block (24) in a sliding fit. A telescopic rod (25) for ensuring that the front guide blocks (24) move together is fixedly installed between the front guide blocks (24). The rear guide... A telescopic rod (26) is fixedly installed between the blocks (24) to ensure that the guide blocks (24) on the rear side move together. The guide blocks (24) are divided into three groups. The four guide blocks (24) on the left front and back are the first group, the four guide blocks (24) on the middle front and back are the second group, and the four guide blocks (24) on the right front and back are the third group. In the first group, a sanding frame (27) for sanding the surface of the cured wood veneer is installed between the guide blocks (24) on the front and back. In the second group, a curing frame (28) for curing the UV excimer coating on the surface of the wood veneer is fixedly installed between the guide blocks (24) on the front and back. In the third group, a spray brush frame (29) for spraying UV excimer coating on the surface of the wood veneer is fixedly installed between the guide blocks (24) on the front and back. The telescopic rod (25) includes a fixed rod (251), which is fixedly installed between the front guide blocks (24). The fixed rods (251) on adjacent guide blocks (24) are connected to a movable rod (252) in a sliding fit. A connecting spring (253) is fixedly connected between the movable rod (252) and the fixed rod (251). The connecting spring (253) balances the force between the movable rod (252) and the fixed rod (251), ensuring that the front guide blocks move together in the vertical plane.

2. The UV excimer coating process for wood veneer panels according to claim 1, characterized in that: The fixed bracket (11) includes a fixed base (111), a first support column (112) is uniformly fixedly installed on the upper end of the fixed base (111), a second support column (113) is uniformly fixedly installed on the outer end of the first support column (112), and the end of the second support column is fixedly connected to the suspended assembly line (12).

3. The UV excimer coating process for wood veneer panels according to claim 1, characterized in that: The distance control frame (21) includes a moving block (211). The lower end of the rectangular limit plate (14) is uniformly connected to a moving group in a sliding fit. There are three moving groups. Each moving group is composed of left and right symmetrical moving blocks (211). A threaded rod (212) is rotatably connected to the middle of the rectangular limit plate (14). A motor (213) is fixedly installed on the right end of the rectangular limit plate (14) through a motor seat. The output shaft of the motor (213) is fixedly connected to the threaded rod (212) through a coupling. Threaded groups are opened on the threaded rod (212) and located in the moving group. Each threaded group is composed of spiral grooves with opposite directions on the left and right sides. The spiral grooves on the left and right sides of each threaded group are connected to the moving blocks (211) on the left and right sides of each moving group in a threaded connection. Guide rods (23) are fixedly installed on the front and rear sides of the lower end of the moving block (211).

4. The UV excimer coating process for wood veneer panels according to claim 1, characterized in that: The sanding frame (27) includes rotating wheels (271). In the first group, symmetrical rotating wheels (271) are installed between the front and rear corresponding guide blocks (24). The rotating wheels (271) on the front and rear corresponding guide blocks (24) are connected by a grinding wheel belt (272). A sprocket (273) is fixedly installed at the front end of each of the two adjacent rotating wheels (271) on the left and right guide blocks (24). A rectangular groove (274) is opened at the front end of the left front guide block (24) in the first group. Cylindrical springs are symmetrically fixedly installed inside the rectangular groove (274). 275), a square block (276) is fixedly installed at the end of the cylindrical spring (275). The square block (276) and the rectangular groove (274) are connected by a sliding fit. The front end of the square block (276) is rotatably connected to the second sprocket (277). The first sprocket (273) and the second sprocket (277) are connected by a toothed chain belt (278). The front end of the guide block (24) on the right side of the third group is fixedly installed with the second motor (279) through the motor base. The output shaft of the second motor (279) is fixedly connected to the corresponding first sprocket (273) through a coupling.

5. The UV excimer coating process for wood veneer panels according to claim 1, characterized in that: The curing rack (28) includes an ultraviolet lamp holder (281). The ultraviolet lamp holder (281) is fixedly installed between the front and rear corresponding guide blocks (24) in the second group. A baffle plate (282) is fixedly installed on the opposite ends of the ultraviolet lamp holder (281).

6. The UV excimer coating process for wood veneer panels according to claim 1, characterized in that: The spray brush frame (29) includes a paint container (291). The paint container (291) is fixedly installed between the front and rear corresponding guide blocks (24) in the third group. A delivery pump (292) is fixedly installed at the opposite end of the paint container (291). A paint spraying tube (293) is fixedly installed at the opposite end of the delivery pump (292). Multiple nozzles (294) are fixedly installed at the opposite end of the paint spraying tube (293). The multiple nozzles (294) are evenly arranged.

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