A painting process for rosewood furniture

Abstract

The present application relates to a kind of redwood furniture painting process;It is related to the field of furniture production, wherein automated polishing equipment includes the material conveying mechanism for carrying and moving redwood furniture, the material conveying mechanism side is sequentially provided with first polishing assembly, second polishing assembly and third polishing assembly;The outside of material conveying mechanism is provided with machine box, machine box includes machine box body, the inside of machine box body is fixedly connected with lower layer tooth plate and upper layer tooth plate by bolt;Material conveying mechanism can drive redwood furniture sequentially through first polishing assembly, second polishing assembly and third polishing assembly;First polishing assembly will polish the exposed surface of the both ends of redwood furniture, then upper layer tooth plate drives material conveying mechanism to rotate, let second polishing assembly polish the exposed surface of the both sides of redwood furniture, finally third polishing assembly polishes the top surface and bottom surface of redwood furniture, can polish each exposed surface of redwood furniture at a time, increase the efficiency of polishing work in redwood furniture painting process.

Description

Technical Field

[0001] This invention relates to the field of rosewood furniture production technology, specifically to a varnishing process for rosewood furniture. Background Technology

[0002] Rosewood furniture originated in the Ming Dynasty. Its appearance is simple and symmetrical, with pleasing natural colors and grains. Rosewood furniture primarily employs traditional Chinese furniture-making techniques such as carving, mortise and tenon joints, inlay, and curved lines. Therefore, the distinct national characteristics in the design and craftsmanship of rosewood furniture are a major attraction for many collectors, leading many to refer to it as "cultural furniture" or "artistic furniture." "Rosewood" does not refer to all red woods, nor is it a single type of wood; rather, it is the commonly used term for rosewood materials in China. According to national standards, it encompasses five genera and eight categories.

[0003] Chinese Patent Publication No. CN 214109885 U discloses an environmentally friendly wood surface spraying device for furniture production, including a machine box. Extension plates are fixedly installed on both the left and right sides of the machine box. A motor is fixedly installed on the front side of the left end of the extension plate. A transmission roller is movably connected to the middle of the extension plate. A conveyor belt is driven to the surface of the transmission roller. A spring is fixedly installed on the top surface of the inner cavity of the machine box. A hanger is fixedly installed on the bottom surface of the spring.

[0004] When applying paint to mahogany furniture, a primer must be applied first, followed by a topcoat. The surface of the furniture must be sanded before and after each application to ensure the best finish. The wood surface painting device for furniture production described in the patent uses a motor to rotate a sanding plate, which then sands the furniture surface. However, the initial position of the sanding plate is above the furniture, meaning it can only sand one side of the furniture. Since all exposed surfaces require painting, they also need to be sanded. Using this device requires multiple sanding passes to complete the process, resulting in low efficiency and hindering the proper painting process. Summary of the Invention

[0005] Technical problems to be solved

[0006] The purpose of this invention is to overcome the shortcomings of the prior art, adapt to practical needs, and provide a painting process for mahogany furniture. The process involves moving the mahogany furniture through a material conveying mechanism and rotating the furniture during the movement. Combined with multiple sanding components, all exposed surfaces of the furniture can be sanded at once, thereby solving the technical problems mentioned in the background art.

[0007] Technical solution

[0008] To achieve the objectives of this invention, the technical solution adopted is as follows:

[0009] A varnishing process for mahogany furniture includes the following steps:

[0010] S1. Prepare tools and materials: including mahogany furniture, paint, sanding belt, brushes, towels, etc.;

[0011] S2. Furniture sanding: Use automated sanding equipment to sand the surface of mahogany furniture to remove impurities and uneven areas, ensuring the best paint finish;

[0012] S3. Apply primer: Use a brush to evenly apply primer to the surface of the mahogany furniture. Primer can increase the adhesion of the topcoat and prevent the topcoat from peeling off.

[0013] S4. Sanding the primer: After the primer dries, use an automated sanding machine to sand the surface of the primer again to make it smoother and flatter.

[0014] S5. Topcoat: Use a brush to evenly apply the topcoat to the surface of the mahogany furniture. The topcoat can protect the base coat and enhance the beauty of the mahogany furniture.

[0015] S6. Sanding the topcoat: After the topcoat has dried, use an automated sanding machine to sand the surface of the topcoat to make it smoother and flatter.

[0016] S7. Maintenance: After the varnishing process is completed, place the mahogany furniture in a well-ventilated and dry place, avoiding direct sunlight and friction, in order to ensure the quality and life of the mahogany furniture.

[0017] As a further technical solution of the present invention, in steps S2, S4 and S6, the surface of the furniture is polished by an automated polishing device. The automated polishing device includes a material conveying mechanism for carrying and moving the mahogany furniture. A first polishing component, a second polishing component and a third polishing component are arranged sequentially on one side of the material conveying mechanism. A machine box is provided on the outside of the material conveying mechanism. The machine box includes a machine box body. A lower toothed plate and an upper toothed plate are fixedly connected to the inside of the machine box body by bolts. The upper toothed plate and the lower toothed plate are both located between the first polishing component and the second polishing component and are staggered. The upper toothed plate is located above the lower toothed plate. A lead screw is provided in the middle of the inside of the machine box body. The end of the lead screw away from the material conveying mechanism is fixedly connected to the output shaft of the fourth motor. The fourth motor is fixedly connected to the machine box body by bolts.

[0018] The material handling mechanism includes a platform, with a positioning component one and a positioning component two located below the platform. Both positioning components one and two are threadedly connected to a threaded cylinder, and the threads of positioning components one and two are in opposite directions. A gear one is fixedly connected to the outer bottom of the threaded cylinder. A connecting rod is rotatably connected inside the threaded cylinder, with its top fixedly connected to the middle of the bottom of the platform and its bottom fixedly connected to a slide. A gear two is located between gear one and the slide, with its middle fixedly connected to the outer side of the connecting rod.

[0019] As a further technical solution of the present invention, both sides of the lead screw are provided with slide rails, the two slide rails are the same length as the lead screw, and the bottom of the two slide rails are fixedly connected to the chassis body; a slide rod is provided above the two slide rails, and the two slide rods are located between the lower tooth plate and the upper tooth plate, and the two ends of the two slide rods are fixedly connected to the two ends of the chassis body respectively.

[0020] As a further technical solution of the present invention, a support frame is provided between gear one and gear two, and the middle of the support frame is rotatably connected to the connecting rod; the two ends of the support frame are slidably connected to two slide rods respectively; the height of gear one corresponds to the height of the upper gear plate, and the height of gear two corresponds to the height of the lower gear plate; the middle of the slide block is provided with a threaded hole and is threadedly connected to the lead screw, and the bottom of the two ends of the slide block are slidably connected to two slide rails respectively.

[0021] As a further technical solution of the present invention, the first sanding assembly includes two sanding belts, both of which are vertically arranged and the distance between them is the same as the length of the mahogany furniture, and the width of the two sanding belts is the same as the width of the side of the mahogany furniture; multiple vertical transmission rollers are uniformly sleeved on the inner side of the sanding belts, and multiple limiting plates are uniformly provided on both sides of the sanding belts, and the multiple limiting plates are respectively fixedly connected to the two ends of the multiple vertical transmission rollers; the limiting plates are circular and the diameter is larger than the diameter of the vertical transmission rollers; pulleys are fixedly connected to the top of the multiple vertical transmission rollers, and the multiple pulleys on the same side are connected to each other by belt drive; a hanging column is rotatably connected to the middle of the top of the multiple pulleys.

[0022] As a further technical solution of the present invention, each of the two sanding belts is provided with a motor on one side away from each other, and a transverse bevel gear is fixedly connected to the output shaft of each of the two motors; a vertical bevel gear is fixedly connected to the top center of the pulley located at one end of each of the multiple pulleys, and a circular hole for the hanging column to pass through is provided in the middle of the two vertical bevel gears; the two vertical bevel gears mesh with the two transverse bevel gears respectively; the structure of the second sanding assembly is the same as the structure of the first sanding assembly, and the distance between the two sanding belts of the second sanding assembly is the same as the width of the mahogany furniture, and the width of the two sanding belts of the second sanding assembly is the same as the width of the side of the mahogany furniture.

[0023] As a further technical solution of the present invention, the top of the chassis is fixedly connected to a top shell, and the first grinding assembly, the second grinding assembly and the third grinding assembly are all located inside the top shell; a leather curtain is fixedly connected to the middle of both ends of the top shell; the tops of the multiple hanging columns of the first grinding assembly and the second grinding assembly are fixedly connected to the inner top of the top shell; the multiple motors of the first grinding assembly and the multiple motors of the second grinding assembly are fixedly connected to the top shell.

[0024] As a further technical solution of the present invention, the third sanding component includes a second sanding belt, and a third sanding belt is provided below the second sanding belt. The distance between the second sanding belt and the third sanding belt is the same as the height of the mahogany furniture, and the width of the third sanding belt is less than the width of the second sanding belt, and the length of the third sanding belt is greater than the length of the second sanding belt. Multiple transverse transmission rollers are connected to the inner side of the second sanding belt. One end of the transverse transmission roller furthest from the second sanding component is fixedly connected to the output shaft of the second motor, and the other end is rotatably connected to the inner wall of the top shell. The two ends of the remaining transverse transmission rollers are... All are rotatably connected to the inner wall of the top shell; the sanding belt three is L-shaped and has multiple transverse transmission rollers two evenly connected to its inner side, and the two ends of the multiple transverse transmission rollers two are rotatably connected to two side frames respectively. The two side frames are both L-shaped and located on both sides of the sanding belt three; one end of the transverse transmission roller two at the bottom of the sanding belt three extends to the outside of the side frame and is fixedly connected to the output shaft of the motor three, which is fixedly connected to the chassis body; the corners and bottoms of the two side frames away from the sanding belt three are fixedly connected to connecting columns, and the other ends of the multiple connecting columns are fixedly connected to the chassis body.

[0025] As a further technical solution of the present invention, the platform includes a platform, the top center of which is provided with a placement platform, and the length and width of the placement platform are the same as the length and width of the mahogany furniture, respectively; the platform is provided with multiple rectangular through slots, which are located on the outer sides of the four corners of the placement platform; multiple connectors are uniformly fixedly connected to the bottom of the platform, and the positions of the multiple connectors correspond to the positions of the multiple through slots.

[0026] As a further technical solution of the present invention, the positioning component one and the positioning component two have the same structure; the positioning component one includes a moving platform, the moving platform is provided with a threaded seat in the middle and the inner side of the threaded seat is threadedly connected to the threaded cylinder; baffles are fixedly connected to the top of each of the four corners of the moving platform, and a sliding groove is provided in the middle of each of the baffles; the positions of the baffles of the positioning component one and the positioning component two are respectively corresponding to the positions of the multiple through grooves, and the multiple baffles are respectively slidably connected to the multiple connecting parts through the sliding grooves.

[0027] Beneficial effects:

[0028] A. In this invention, the material conveying mechanism can drive the rosewood furniture through the first polishing component, the second polishing component, and the third polishing component in sequence. The first polishing component polishes the exposed surfaces at both ends of the rosewood furniture. Then, the upper toothed plate drives the material conveying mechanism to rotate, causing the material conveying mechanism to rotate the rosewood furniture 90°. The second polishing component then polishes the exposed surfaces on both sides of the rosewood furniture. Finally, the third polishing component polishes the top and bottom surfaces of the rosewood furniture. This allows the automated polishing equipment in this application to polish all exposed surfaces of the rosewood furniture at once, increasing the efficiency of polishing work in the rosewood furniture painting process. The motor and lead screw provide power to the movement of the material conveying mechanism, allowing the material conveying mechanism to move at a uniform speed, ensuring that the polishing time and polishing effect of each exposed surface of the rosewood furniture are the same, and that the color of each exposed surface is uniform after painting.

[0029] B. In this invention, the platform of the material conveying mechanism serves to support the mahogany furniture. Driven by motor four and the lead screw, the slide moves along two slide rails, and the support frame moves synchronously along two slide rods. The support frame, in conjunction with the two slide rods, ensures the overall stability of the material conveying mechanism without affecting its movement and rotation, thus increasing its load-bearing capacity. When the material conveying mechanism moves to the position of the lower and upper toothed plates, the upper toothed plate first engages with gear one. Then, gear one drives the upper toothed plate to rotate the threaded cylinder through gear one. When the threaded cylinder rotates, it drives the positioning components one and two, which are threadedly connected to it, to move vertically. The thread directions of positioning components one and two are opposite, allowing positioning component one to descend while positioning component two... Simultaneously, the two positioning components rise. At this point, positioning component one descends and no longer blocks the exposed surfaces on both sides of the rosewood furniture, while positioning component two rises to block the exposed surfaces at both ends of the rosewood furniture. Then, the material conveying mechanism continues to move. The upper toothed plate no longer meshes with gear one, while the lower toothed plate contacts and meshes with gear two. Then, the lower toothed plate drives the connecting rod to rotate through gear two, and the connecting rod drives the platform to rotate, thereby allowing the rosewood furniture on the platform to rotate 90° synchronously. Through the lower and upper toothed plates, the direction of obstruction on the rosewood furniture can be changed while controlling its rotation. This allows positioning components one and two to fix the position of the rosewood furniture, preventing it from shifting, and also avoids the positioning components one and two affecting the polishing work.

[0030] C. In this invention, the first, second, and third sanding components all use sanding belts to sand the rosewood furniture. The sanding belts of all three components are replaceable. The sanding requirements and thickness of the rosewood furniture surface differ before and after applying the primer and topcoat. The sanding belts on the first, second, and third sanding components are replaced according to the sanding steps and requirements to ensure the normal progress of the sanding work and guarantee the yield rate of the sanded rosewood furniture. The top shell supports the first and second sanding components and protects them from negative environmental impacts.

[0031] D. In this invention, after the rosewood furniture is moved into the first polishing assembly, motor one drives multiple pulleys to rotate. These pulleys then drive the vertical transmission roller to control the rotation of the sanding belt one. The two sanding belts rotate synchronously in the same direction, which can polish the exposed surfaces at both ends of the rosewood furniture. During the polishing process, positioning assembly one can block and position the two sides of the rosewood furniture to prevent it from shifting under the influence of the two sanding belts one, thus ensuring the polishing effect of the two sanding belts one. The limiting plates at both ends of the vertical transmission roller can block the sanding belt one to prevent it from falling off the vertical transmission roller during rotation, thus ensuring the normal progress of the polishing work. The working principle of the second polishing assembly is the same as that of the first polishing assembly. When the second polishing assembly polishes the rosewood furniture, positioning assembly two can block and position the two ends of the rosewood furniture to prevent it from shifting during polishing.

[0032] E. In this invention, sanding belt 2 and sanding belt 3 respectively polish the top and bottom surfaces of the mahogany furniture. The width of sanding belt 3 is smaller than that of sanding belt 2. In addition, sanding belt 3 is supported by two side frames, and like the two side frames, it is L-shaped, allowing sanding belt 3 to pass normally through the space between the furniture legs at the four corners of the bottom of the mahogany furniture. This ensures that sanding belt 3 can polish the mahogany furniture without affecting the normal movement of the material conveying mechanism. The two side frames are fixedly connected to the main body of the machine body through connecting columns. The connecting columns increase the stability and load-bearing capacity of the two side frames, allowing the two side frames to normally support sanding belt 3 and the multiple transverse transmission rollers 2 inside sanding belt 3, thereby ensuring the normal operation of sanding belt 3. Attached Figure Description

[0033] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0034] Figure 2 In this invention Figure 1 Another perspective view;

[0035] Figure 3 In this invention Figure 2Internal structure diagram;

[0036] Figure 4 This is a three-dimensional structural diagram of the chassis in this invention;

[0037] Figure 5 In this invention Figure 4 Internal structure diagram;

[0038] Figure 6 This is a schematic diagram showing the positional relationship between the material conveying mechanism and the mahogany furniture in this invention;

[0039] Figure 7 This is a three-dimensional structural diagram of the material conveying mechanism in this invention;

[0040] Figure 8 This is a bottom view of 7 in this invention;

[0041] Figure 9 This is a partial structural diagram of 8 in the present invention;

[0042] Figure 10 This is a top view of 9 in this invention;

[0043] Figure 11 This is a partial structural diagram of 7 in the present invention;

[0044] Figure 12 In this invention Figure 11 The main view;

[0045] Figure 13 In this invention Figure 11 Partial structural diagram;

[0046] Figure 14 In this invention Figure 13 A bottom view;

[0047] Figure 15 This is a three-dimensional structural diagram of the first polishing component in this invention;

[0048] Figure 16 This is a three-dimensional structural diagram of the third polishing component in this invention;

[0049] Figure 17 In this invention Figure 16 Side view;

[0050] Figure 18 In this invention Figure 16 Partial structural diagram;

[0051] Figure 19 In this invention Figure 15 A magnified view of a portion of the image;

[0052] Figure 20This is a three-dimensional structural diagram of the lower toothed plate in this invention.

[0053] In the diagram: 1-Material conveying mechanism, 2-First sanding assembly, 3-Second sanding assembly, 4-Third sanding assembly, 5-Mahogany furniture, 6-Chassis, 7-Top shell, 8-Leather curtain;

[0054] 11-Platform, 12-Positioning Component 1, 13-Positioning Component 2, 14-Threaded Screw, 15-Connecting Rod, 16-Gear 1, 17-Gear 2, 18-Support Frame, 19-Slide, 21-Sanding Belt 1, 22-Vertical Transmission Roller, 23-Hanging Column, 24-Limiting Plate, 25-Motor 1, 26-Vertical Bevel Gear, 27-Horizontal Bevel Gear, 28-Pulley, 29-Belt, 41-Sanding Belt 2, 42-Horizontal Transmission Roller 1, 43-Motor 2, 44-Sanding Belt 3, 45-Motor 3, 46-Side Frame, 47-Connecting Column, 48-Horizontal Transmission Roller 2, 61-Chassis Body, 62-Slide Rod, 63-Slide Rail, 64-Screw Rod, 65-Motor 4, 66-Lower Toothed Plate, 67-Upper Toothed Plate;

[0055] 111-Carrier plate, 112-Placement platform, 113-Through groove, 114-Connector, 121-Moving platform, 122-Baffle, 123-Slide groove, 124-Threaded seat. Detailed Implementation

[0056] A varnishing process for mahogany furniture includes the following steps:

[0057] S1. Prepare tools and materials: including mahogany furniture, paint, sanding belt, brushes, towels, etc.;

[0058] S2. Furniture sanding: Use automated sanding equipment to sand the surface of mahogany furniture to remove impurities and uneven areas, ensuring the best paint finish;

[0059] S3. Apply primer: Use a brush to evenly apply primer to the surface of the mahogany furniture. Primer can increase the adhesion of the topcoat and prevent the topcoat from peeling off.

[0060] S4. Sanding the primer: After the primer dries, use an automated sanding machine to sand the surface of the primer again to make it smoother and flatter.

[0061] S5. Topcoat: Use a brush to evenly apply the topcoat to the surface of the mahogany furniture. The topcoat can protect the base coat and enhance the beauty of the mahogany furniture.

[0062] S6. Sanding the topcoat: After the topcoat has dried, use an automated sanding machine to sand the surface of the topcoat to make it smoother and flatter.

[0063] S7. Maintenance: After the varnishing process is completed, place the mahogany furniture in a well-ventilated and dry place, avoiding direct sunlight and friction, in order to ensure the quality and life of the mahogany furniture.

[0064] Please see Figure 1-5 In this embodiment, in steps S2, S4, and S6, the surface of the furniture is polished using an automated polishing device. The automated polishing device includes a material conveying mechanism 1 for carrying and moving the mahogany furniture 5. A first polishing component 2, a second polishing component 3, and a third polishing component 4 are sequentially arranged on one side of the material conveying mechanism 1. A housing 6 is provided on the outside of the material conveying mechanism 1. The housing 6 includes a housing body 61. A lower toothed plate 66 and an upper toothed plate 67 are fixedly connected to the inside of the housing body 61. The upper toothed plate 67 and the lower toothed plate 66 are both located between the first polishing component 2 and the second polishing component 3 and are staggered. The upper toothed plate 67 is located above the lower toothed plate 66. A lead screw 64 is provided in the middle of the inside of the housing body 61. The end of the lead screw 64 away from the material conveying mechanism 1 is fixedly connected to the output shaft of the motor 65. The motor 65 is fixedly connected to the housing body 61.

[0065] By adopting the above technical solution, the material conveying mechanism 1 can drive the mahogany furniture 5 to pass through the first sanding component 2, the second sanding component 3, and the third sanding component 4 in sequence. The first sanding component 2 will sand the sides of both ends of the mahogany furniture 5. Then, the upper toothed plate 67 drives the material conveying mechanism 1 to rotate, allowing the material conveying mechanism 1 to rotate the mahogany furniture 5 by 90°. Then, the second sanding component 3 will sand the sides of both sides of the mahogany furniture 5. Finally, the third sanding component 4 can sand the top and bottom surfaces of the mahogany furniture 5. This allows the automated sanding equipment in this application to sand all exposed surfaces of the mahogany furniture 5 at once, increasing the efficiency of sanding work in the painting process of the mahogany furniture 5. The motor 65, in conjunction with the lead screw 64, can provide power for the movement of the material conveying mechanism 1, allowing the material conveying mechanism 1 to move at a uniform speed, ensuring that the sanding time and sanding effect of each exposed surface of the mahogany furniture 5 are the same, and that the color of each exposed surface is uniform after painting.

[0066] Please see Figure 4-14 In this embodiment, the material handling mechanism 1 includes a platform 11, with a positioning component 12 and a positioning component 2 13 located below the platform 11. The positioning components 12 and 2 13 are both threadedly connected to a threaded cylinder 14, and the threads of the positioning components 12 and 2 13 are in opposite directions. A gear 16 is fixedly connected to the outer bottom of the threaded cylinder 14. A connecting rod 15 is rotatably connected inside the threaded cylinder 14. The top of the connecting rod 15 is welded to the middle of the bottom of the platform 11, and a slide block 19 is welded to the bottom of the connecting rod 15. A gear 2 17 is provided between the gear 16 and the slide block 19, and the middle of the gear 2 17 is welded to the outer side of the connecting rod 15.

[0067] The lead screw 64 is provided with slide rails 63 on both sides. The two slide rails 63 are the same length as the lead screw 64, and the bottom of the two slide rails 63 are fixedly connected to the chassis body 61. The two slide rails 63 are provided with slide rods 62 above them. The two slide rods 62 are located between the lower toothed plate 66 and the upper toothed plate 67. The two ends of the two slide rods 62 are respectively welded to the two ends of the chassis body 61.

[0068] A support frame 18 is provided between gear 16 and gear 17, and the middle of the support frame 18 is rotatably connected to the connecting rod 15; the two ends of the support frame 18 are slidably connected to two slide rods 62 respectively; the height of gear 16 corresponds to the height of the upper gear plate 67, and the height of gear 17 corresponds to the height of the lower gear plate 66; the middle of the slide block 19 is provided with a threaded hole and is threadedly connected to the lead screw 64, and the bottom ends of the slide block 19 are slidably connected to two slide rails 63 respectively.

[0069] The platform 11 includes a platform 111, with a placement table 112 at the top center of the platform 111. The length and width of the placement table 112 are the same as the length and width of the mahogany furniture 5, respectively. The platform 111 has multiple rectangular through slots 113, which are located on the outer sides of the four corners of the placement table 112. Multiple connectors 114 are evenly welded to the bottom of the platform 111, and the positions of the connectors 114 correspond to the positions of the through slots 113.

[0070] The positioning component 12 and positioning component 2 13 have the same structure. Positioning component 12 includes a moving platform 121, which has a threaded seat 124 in the middle and the inner side of the threaded seat 124 is threadedly connected to the threaded cylinder 14. Each of the four corners of the moving platform 121 is welded with a baffle 122, and each of the baffles 122 has a sliding groove 123 in the middle. The baffles 122 of positioning component 12 and positioning component 2 13 correspond to the positions of the multiple through slots 113, and the multiple baffles 122 are slidably connected to the multiple connectors 114 through the sliding grooves 123.

[0071] By adopting the above technical solution, the platform 11 of the material conveying mechanism 1 plays the role of supporting the mahogany furniture 5. Driven by the motor 65 and the lead screw 64, the slide 19 moves along the two slide rails 63, and the support frame 18 moves synchronously along the two slide rods 62. The support frame 18 cooperates with the two slide rods 62 to ensure the overall stability of the material conveying mechanism 1 without affecting the movement and rotation of the material conveying mechanism 1, and increases the load-bearing capacity of the material conveying mechanism 1. When the material conveying mechanism 1 moves to the position of the lower tooth plate 66 and the upper tooth plate 67, the upper tooth plate 67 first contacts and meshes with the gear 16. Then, the upper tooth plate 67 drives the threaded cylinder 14 to rotate through the gear 16. When the threaded cylinder 14 rotates, it drives the positioning component 12 and the positioning component 2 13 connected to it to move vertically. The thread directions of the positioning component 12 and the positioning component 2 13 are opposite, so that the positioning component 12 moves vertically while descending. Positioning component 2 13 rises synchronously, while positioning component 1 12 descends and no longer blocks the exposed surfaces on both sides of the rosewood furniture 5. Positioning component 2 13 then rises to block the exposed surfaces at both ends of the rosewood furniture 5. Then, the material conveying mechanism 1 continues to move. The upper toothed plate 67 and gear 1 16 no longer mesh, and the lower toothed plate 66 contacts and meshes with gear 2 17. Then, the lower toothed plate 66 drives the connecting rod 15 to rotate through gear 2 17, and the connecting rod 15 drives the platform 11 to rotate, thereby allowing the rosewood furniture 5 on the platform 11 to rotate synchronously by 90°. Through the lower toothed plate 66 and the upper toothed plate 67, the direction of obstruction on the rosewood furniture 5 can be changed while controlling the rotation of the rosewood furniture 5. This allows positioning components 1 12 and 2 13 to fix the position of the rosewood furniture 5, preventing displacement, and also avoids the positioning components 1 12 and 2 13 from affecting the sanding work.

[0072] Please see Figure 1-3 , Figure 15 , Figure 19 In this embodiment, the first sanding component 2 includes two sanding belts 21, both of which are vertically arranged and the distance between them is the same as the length of the mahogany furniture 5. The width of the two sanding belts 21 is the same as the width of the side of the mahogany furniture 5. Multiple vertical transmission rollers 22 are uniformly sleeved on the inner side of the sanding belts 21. Multiple limiting plates 24 are uniformly arranged on both sides of the sanding belts 21, and the multiple limiting plates 24 are fixedly connected to the two ends of the multiple vertical transmission rollers 22 respectively. The limiting plates 24 are circular and their diameter is larger than the diameter of the vertical transmission rollers 22. The top of each of the multiple vertical transmission rollers 22 is fixedly connected to a pulley 28, and the multiple pulleys 28 on the same side are connected to each other by a belt 29. A hanging column 23 is rotatably connected to the middle of the top of each of the multiple pulleys 28.

[0073] Each of the two sanding belts 21 is equipped with a motor 25 on one side away from each other, and a transverse bevel gear 27 is fixedly connected to the output shaft of each motor 25; a vertical bevel gear 26 is welded to the top center of each of the pulleys 28 located at one end of the two sanding belts 21, and a round hole for the hanging column 23 to pass through is provided in the middle of each of the two vertical bevel gears 26; the two vertical bevel gears 26 mesh with the two transverse bevel gears 27 respectively; the structure of the second sanding assembly 3 is the same as that of the first sanding assembly 2, and the distance between the two sanding belts of the second sanding assembly 3 is the same as the width of the mahogany furniture 5, and the width of the two sanding belts of the second sanding assembly 3 is the same as the width of the side of the mahogany furniture 5.

[0074] By adopting the above technical solution, after the mahogany furniture 5 moves into the first sanding assembly 2, the motor 25 drives multiple pulleys 28 to rotate. The multiple pulleys 28 then drive the vertical transmission roller 22 to control the rotation of the sanding belt 21. The two sanding belts 21 rotate synchronously and in the same direction, which can sand the exposed surfaces at both ends of the mahogany furniture 5. During the sanding process, the positioning assembly 12 can block and position the two sides of the mahogany furniture 5 to prevent the mahogany furniture 5 from shifting under the influence of the two sanding belts 21, thus ensuring the sanding effect of the two sanding belts 21. The limiting plates 24 at both ends of the vertical transmission roller 22 can block the sanding belt 21 to prevent the sanding belt 21 from falling off the vertical transmission roller 22 during rotation, thus ensuring the normal progress of the sanding work. The working principle of the second sanding assembly 3 is the same as that of the first sanding assembly 2. When the second sanding assembly 3 sands the mahogany furniture 5, the positioning assembly 13 can block and position the two ends of the mahogany furniture 5 to prevent the mahogany furniture 5 from shifting during sanding.

[0075] Please see Figure 1-3 In this embodiment, a top shell 7 is welded to the top of the chassis 6, and the first grinding assembly 2, the second grinding assembly 3, and the third grinding assembly 4 are all located inside the top shell 7; a leather curtain 8 is fixedly connected to the middle of both ends of the top shell 7 by bolts; the tops of the multiple hanging columns 23 of the first grinding assembly 2 and the second grinding assembly 3 are fixedly connected to the inner top of the top shell 7; the multiple motors 25 of the first grinding assembly 2 and the multiple motors of the second grinding assembly 3 are fixedly connected to the top shell 7 by bolts.

[0076] By adopting the above technical solution, the first sanding component 2, the second sanding component 3, and the third sanding component 4 all sand the mahogany furniture 5 using sanding belts. The sanding belts of the first sanding component 2, the second sanding component 3, and the third sanding component 4 are all replaceable. The sanding requirements and thickness of the mahogany furniture 5 are different before and after applying the primer and before and after applying the topcoat. The sanding belts on the first sanding component 2, the second sanding component 3, and the third sanding component 4 are replaced according to the sanding steps and requirements to ensure the normal progress of the sanding work and to guarantee the yield rate of the mahogany furniture 5 after sanding. The top shell 7 supports the first sanding component 2 and the second sanding component 3, and also protects the first sanding component 2, the second sanding component 3, and the third sanding component 4 from negative impacts from the external environment.

[0077] Please refer to the figure. Figure 1-3 , Figure 16-18 In this embodiment, the third sanding component 4 includes a second sanding belt 41, and a third sanding belt 44 is provided below the second sanding belt 41. The distance between the second sanding belt 41 and the third sanding belt 44 is the same as the height of the mahogany furniture 5, and the width of the third sanding belt 44 is smaller than the width of the second sanding belt 41, while the length of the third sanding belt 44 is greater than the length of the second sanding belt 41. A plurality of transverse transmission rollers 42 are connected to the inner side of the second sanding belt 41. One end of the transverse transmission roller 42 furthest from the second sanding component 3 is fixedly connected to the output shaft of the second motor 43, and the other end is rotatably connected to the inner wall of the top shell 7. Both ends of the remaining transverse transmission rollers 42 are connected to the top shell. 7. Rotary connection of the inner wall; the sanding belt 3 44 is L-shaped and has multiple transverse transmission rollers 2 48 evenly connected to its inner side. The two ends of the multiple transverse transmission rollers 2 48 are rotatably connected to two side frames 46 respectively. The two side frames 46 are both L-shaped and located on both sides of the sanding belt 3 44 respectively. One end of the transverse transmission rollers 2 48 at the bottom of the sanding belt 3 44 extends to the outside of the side frame 46 and is fixedly connected to the output shaft of the motor 3 45. The motor 3 45 is fixedly connected to the chassis body 61 by bolts. Connecting posts 47 are welded to the corners and bottoms of the two side frames 46 away from the sanding belt 3 44. The other ends of the multiple connecting posts 47 are welded to the chassis body 61.

[0078] By adopting the above technical solution, sanding belt 2 41 and sanding belt 3 44 respectively sand the top and bottom surfaces of the mahogany furniture 5. The width of sanding belt 3 44 is smaller than that of sanding belt 2 41. In addition, sanding belt 3 44 is supported by two side frames 46, and is L-shaped like the two side frames 46, allowing sanding belt 3 44 to pass normally through the space between the furniture legs at the four corners of the bottom of the mahogany furniture 5. This allows sanding belt 3 44 to sand the mahogany furniture 5 without affecting the normal movement of the material conveying mechanism 1. The two side frames 46 are fixedly connected to the machine body 61 through connecting columns 47. The connecting columns 47 increase the stability and load-bearing capacity of the two side frames 46, allowing the two side frames 46 to normally support sanding belt 3 44 and the multiple transverse transmission rollers 2 48 inside sanding belt 3 44, thereby ensuring the normal operation of sanding belt 3 44.

[0079] The working principle of this invention,

[0080] In this invention, the material conveying mechanism 1 can drive the mahogany furniture 5 to pass sequentially through the first sanding component 2, the second sanding component 3, and the third sanding component 4. The first sanding component 2 sands the sides of both ends of the mahogany furniture 5. Then, the upper toothed plate 67 drives the material conveying mechanism 1 to rotate, allowing the material conveying mechanism 1 to rotate the mahogany furniture 5 by 90°. Then, the second sanding component 3 sands the sides of both sides of the mahogany furniture 5. Finally, the third sanding component 4 can sand the top and bottom surfaces of the mahogany furniture 5. This allows the automated sanding equipment in this application to sand all exposed surfaces of the mahogany furniture 5 at once, increasing the efficiency of sanding work in the painting process of the mahogany furniture 5. The motor 65, in conjunction with the lead screw 64, can provide power for the movement of the material conveying mechanism 1, allowing the material conveying mechanism 1 to move at a uniform speed, ensuring that the sanding time and sanding effect of each exposed surface of the mahogany furniture 5 are the same, and that the color of each exposed surface is uniform after painting.

[0081] The platform 11 of the material conveying mechanism 1 serves to support the mahogany furniture 5. Driven by the motor 65 and the lead screw 64, the slide 19 moves along the two slide rails 63, and the support frame 18 moves synchronously along the two slide rods 62. The support frame 18, in conjunction with the two slide rods 62, ensures the overall stability of the material conveying mechanism 1 without affecting its movement and rotation, thus increasing its load-bearing capacity. When the material conveying mechanism 1 moves to the position of the lower toothed plate 66 and the upper toothed plate 67, the upper toothed plate 67 first engages with the gear 16. Then, the upper toothed plate 67 drives the threaded cylinder 14 to rotate through the gear 16. When the threaded cylinder 14 rotates, it drives the positioning component 12 and the positioning component 2 13, which are threadedly connected to it, to move vertically. The thread directions of the positioning component 12 and the positioning component 2 13 are opposite, so that the positioning component 12 descends while the positioning component 2 13 descends. 13 rises synchronously. At this time, positioning component 12 descends and no longer blocks the exposed surfaces on both sides of the rosewood furniture 5, while positioning component 2 13 rises to block the exposed surfaces at both ends of the rosewood furniture 5. Then, the material conveying mechanism 1 continues to move. The upper toothed plate 67 no longer meshes with gear 16, and the lower toothed plate 66 contacts and meshes with gear 2 17. Then, the lower toothed plate 66 drives the connecting rod 15 to rotate through gear 2 17, and the connecting rod 15 drives the platform 11 to rotate, thereby allowing the rosewood furniture 5 on the platform 11 to rotate synchronously by 90°. Through the lower toothed plate 66 and the upper toothed plate 67, the direction of obstruction on the rosewood furniture 5 can be changed while controlling the rotation of the rosewood furniture 5. This allows positioning component 12 and positioning component 2 13 to fix the position of the rosewood furniture 5, preventing displacement, and also avoids the positioning component 12 and positioning component 2 13 from affecting the sanding work.

[0082] After the rosewood furniture 5 moves into the first sanding assembly 2, the motor 25 drives multiple pulleys 28 to rotate. The multiple pulleys 28 then drive the vertical transmission roller 22 to control the rotation of the sanding belt 21. The two sanding belts 21 rotate synchronously in the same direction, which can sand the exposed surfaces at both ends of the rosewood furniture 5. During the sanding process, the positioning assembly 12 can block and position the two sides of the rosewood furniture 5 to prevent the rosewood furniture 5 from shifting under the influence of the two sanding belts 21, thus ensuring the sanding effect of the two sanding belts 21. The limiting plates 24 at both ends of the vertical transmission roller 22 can block the sanding belt 21 to prevent the sanding belt 21 from falling off the vertical transmission roller 22 during rotation, thus ensuring the normal progress of the sanding work. The working principle of the second sanding assembly 3 is the same as that of the first sanding assembly 2. When the second sanding assembly 3 sands the rosewood furniture 5, the positioning assembly 13 can block and position the two ends of the rosewood furniture 5 to prevent the rosewood furniture 5 from shifting during sanding.

[0083] The first sanding component 2, the second sanding component 3, and the third sanding component 4 all use sanding belts to sand the mahogany furniture 5. The sanding belts of these components are all replaceable. The sanding requirements and thickness of the mahogany furniture 5 differ before and after applying the primer and before and after applying the topcoat. The sanding belts on the first sanding component 2, the second sanding component 3, and the third sanding component 4 are replaced according to the sanding steps and requirements to ensure the normal progress of the sanding work and to guarantee the yield rate of the sanded mahogany furniture 5. The top shell 7 supports the first sanding component 2 and the second sanding component 3, while also protecting the first sanding component 2, the second sanding component 3, and the third sanding component 4 from negative impacts from the external environment.

[0084] Sanding belt 2 41 and sanding belt 3 44 respectively sand the top and bottom surfaces of the mahogany furniture 5. The width of sanding belt 3 44 is smaller than that of sanding belt 2 41. In addition, sanding belt 3 44 is supported by two side frames 46, and is L-shaped like the two side frames 46, allowing sanding belt 3 44 to pass normally through the space between the furniture legs at the four corners of the bottom of the mahogany furniture 5. This allows sanding belt 3 44 to sand the mahogany furniture 5 without affecting the normal movement of the material conveying mechanism 1. The two side frames 46 are fixedly connected to the machine body 61 through connecting columns 47. The connecting columns 47 increase the stability and load-bearing capacity of the two side frames 46, allowing the two side frames 46 to normally support sanding belt 3 44 and the multiple transverse transmission rollers 2 48 inside sanding belt 3 44, thereby ensuring the normal operation of sanding belt 3 44.

[0085] The embodiments disclosed herein are preferred embodiments, but are not limited thereto. Those skilled in the art can readily grasp the spirit of the present invention based on the above embodiments and make different extensions and variations, but as long as they do not depart from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A varnishing process for rosewood furniture, characterized in that: Includes the following steps: S1. Prepare tools and materials: including mahogany furniture, paint, sanding belt, brushes, and towels; S2. Furniture sanding: Use automated sanding equipment to sand the surface of mahogany furniture to remove impurities and uneven areas, ensuring the best paint finish; S3. Apply primer: Use a brush to evenly apply primer to the surface of the mahogany furniture. The primer increases the adhesion of the topcoat and prevents the topcoat from peeling off. S4. Sanding the primer: After the primer dries, use an automated sanding machine to sand the surface of the primer again to make it smoother and flatter. S5. Topcoat: Use a brush to evenly apply the topcoat to the surface of the mahogany furniture. The topcoat protects the base coat and enhances the beauty of the mahogany furniture. S6. Sanding the topcoat: After the topcoat has dried, use an automated sanding machine to sand the surface of the topcoat to make it smoother and flatter. S7. Maintenance: After the varnishing process is completed, place the mahogany furniture in a well-ventilated and dry place, avoiding direct sunlight and friction, in order to ensure the quality and life of the mahogany furniture; In step S2, the surface of the furniture is polished by an automated polishing device, which includes a material handling mechanism (1) for carrying and moving the mahogany furniture (5). A first polishing component (2), a second polishing component (3), and a third polishing component (4) are sequentially arranged on one side of the material handling mechanism (1). A housing (6) is provided on the outside of the material handling mechanism (1). The housing (6) includes a housing body (61). A lower toothed plate (66) is fixedly connected to the inside of the housing body (61). The upper gear plate (67) and the lower gear plate (66) are located between the first grinding assembly (2) and the second grinding assembly (3) and are staggered. The upper gear plate (67) is located above the lower gear plate (66). The inner side of the machine body (61) is provided with a lead screw (64). The end of the lead screw (64) away from the material conveying mechanism (1) is fixedly connected to the output shaft of the motor four (65). The motor four (65) is fixedly connected to the machine body (61). The material handling mechanism (1) includes a platform (11), and a positioning component 1 (12) and a positioning component 2 (13) are provided below the platform (11); the middle of the positioning component 1 (12) and the positioning component 2 (13) are threadedly connected to the threaded cylinder (14), and the thread directions of the positioning component 1 (12) and the positioning component 2 (13) are opposite; a gear 1 (16) is fixedly connected to the bottom outer side of the threaded cylinder (14); a connecting rod (15) is rotatably connected inside the threaded cylinder (14), the top of the connecting rod (15) is fixedly connected to the bottom middle of the platform (11), and a slide (19) is fixedly connected to the bottom of the connecting rod (15); a gear 2 (17) is provided between the gear 1 (16) and the slide (19), and the middle of the gear 2 (17) is fixedly connected to the outer side of the connecting rod (15); The lead screw (64) is provided with slide rails (63) on both sides. The two slide rails (63) are the same length as the lead screw (64), and the bottom of the two slide rails (63) is fixedly connected to the chassis body (61). The two slide rails (63) are provided with slide rods (62) above them. The two slide rods (62) are located between the lower tooth plate (66) and the upper tooth plate (67). The two ends of the two slide rods (62) are fixedly connected to the two ends of the chassis body (61). A support frame (18) is provided between gear one (16) and gear two (17), and the middle of the support frame (18) is rotatably connected to the connecting rod (15); the two ends of the support frame (18) are slidably connected to two slide rods (62); the height of gear one (16) corresponds to the height of the upper gear plate (67), and the height of gear two (17) corresponds to the height of the lower gear plate (66); the middle of the slide block (19) is provided with a threaded hole and is threadedly connected to the lead screw (64), and the bottom of the two ends of the slide block (19) are slidably connected to two slide rails (63); The positioning component one (12) has the same structure as the positioning component two (13); the positioning component one (12) includes a moving platform (121), the moving platform (121) has a threaded seat (124) in the middle and the inner side of the threaded seat (124) is threadedly connected to the threaded cylinder (14); baffles (122) are fixedly connected to the top of the four corners of the moving platform (121), and a sliding groove (123) is provided in the middle of the multiple baffles (122).

2. The varnishing process for rosewood furniture as described in claim 1, characterized in that: The first sanding assembly (2) includes two sanding belts (21), both of which are vertically arranged and the distance between them is the same as the length of the mahogany furniture (5). The width of the two sanding belts (21) is the same as the width of the side of the mahogany furniture (5). Multiple vertical transmission rollers (22) are uniformly sleeved on the inner side of the sanding belts (21). Multiple limiting plates (24) are uniformly arranged on both sides of the sanding belts (21), and the multiple limiting plates (24) are fixedly connected to the two ends of the multiple vertical transmission rollers (22). The limiting plates (24) are circular and their diameter is larger than that of the vertical transmission rollers (22). The top of each of the multiple vertical transmission rollers (22) is fixedly connected to a pulley (28), and the multiple pulleys (28) on the same side are connected to each other by a belt (29). A hanging column (23) is rotatably connected to the top center of each of the multiple pulleys (28).

3. The varnishing process for rosewood furniture as described in claim 2, characterized in that: Each of the two sanding belts (21) is equipped with a motor (25) on one side away from each other, and a transverse bevel gear (27) is fixedly connected to the output shaft of each of the two motors (25); a vertical bevel gear (26) is fixedly connected to the top center of each of the pulleys (28) located at one end of the two sanding belts (21), and a round hole for the hanging column (23) to pass through is provided in the middle of each of the two vertical bevel gears (26); the two vertical bevel gears (26) mesh with the two transverse bevel gears (27) respectively; the structure of the second sanding assembly (3) is the same as that of the first sanding assembly (2), and the distance between the two sanding belts of the second sanding assembly (3) is the same as the width of the mahogany furniture (5), and the width of the two sanding belts of the second sanding assembly (3) is the same as the width of the side of the mahogany furniture (5).

4. The varnishing process for rosewood furniture as described in claim 3, characterized in that: The top of the chassis (6) is fixedly connected to a top shell (7), and the first polishing assembly (2), the second polishing assembly (3) and the third polishing assembly (4) are all located inside the top shell (7); a leather curtain (8) is fixedly connected to the middle of both ends of the top shell (7); the tops of the multiple hanging columns (23) of the first polishing assembly (2) and the second polishing assembly (3) are fixedly connected to the inner top of the top shell (7); the multiple motors (25) of the first polishing assembly (2) and the multiple motors of the second polishing assembly (3) are fixedly connected to the top shell (7).

5. The varnishing process for rosewood furniture as described in claim 4, characterized in that: The third polishing assembly (4) includes a second sanding belt (41), and a third sanding belt (44) is provided below the second sanding belt (41). The distance between the second sanding belt (41) and the third sanding belt (44) is the same as the height of the mahogany furniture (5). The width of the third sanding belt (44) is smaller than the width of the second sanding belt (41), and the length of the third sanding belt (44) is greater than the length of the second sanding belt (41). Multiple transverse transmission rollers (42) are connected to the inner side of the second sanding belt (41). One end of the transverse transmission roller (42) that is away from the second polishing assembly (3) is fixedly connected to the output shaft of the second motor (43), and the other end is rotatably connected to the inner wall of the top shell (7). Both ends of the remaining transverse transmission rollers (42) are connected to the top shell (7). The inner wall is rotated and connected; the sanding belt three (44) is L-shaped and has multiple transverse transmission rollers two (48) uniformly connected on the inner side. The two ends of the multiple transverse transmission rollers two (48) are rotated and connected to two side frames (46) respectively. The two side frames (46) are both L-shaped and located on both sides of the sanding belt three (44); one end of the transverse transmission rollers two (48) at the bottom of the sanding belt three (44) extends to the outside of the side frame (46) and is fixedly connected to the output shaft of the motor three (45). The motor three (45) is fixedly connected to the chassis body (61); the corners and bottoms of the two side frames (46) away from the sanding belt three (44) are fixedly connected to connecting posts (47), and the other ends of the multiple connecting posts (47) are fixedly connected to the chassis body (61).

6. The varnishing process for rosewood furniture as described in claim 5, characterized in that: The platform (11) includes a platform (111), and a placement platform (112) is provided at the top center of the platform (111). The length and width of the placement platform (112) are the same as the length and width of the mahogany furniture (5). The platform (111) is provided with multiple rectangular through slots (113), and the multiple through slots (113) are located on the outer sides of the four corners of the placement platform (112). Multiple connectors (114) are evenly fixedly connected to the bottom of the platform (111), and the positions of the multiple connectors (114) correspond to the positions of the multiple through slots (113).

7. The varnishing process for rosewood furniture as described in claim 6, characterized in that: The multiple baffles (122) of the positioning component one (12) and the positioning component two (13) correspond to the positions of the multiple through slots (113), and the multiple baffles (122) are slidably connected to the multiple connectors (114) through the sliding grooves (123).

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