An electrostatic coating device for processing bamboo chopping board

Abstract

The present application provides a kind of bamboo cutting board processing electrostatic coating device, including open coating box, sealing door is installed on coating box by hinge, the top side of open coating box is installed with the rotary placement mechanism extending to its inside, the outer wall of one side of open coating box is installed with the coating assembly extending to inside, and the top center of open coating box is installed with the paint conveying mechanism connected with coating assembly, the bottom of open coating box is symmetrically installed with two groups of support legs, and the bottom of open coating box is connected with lower paint recovery assembly between two groups of support legs.The present application has the beneficial effects as follows, the present application can realize the rotation and revolution of bamboo cutting board, when electrostatic coating is carried out to bamboo cutting board, the uniformity of coating can be effectively improved, full coverage electrostatic spraying of bamboo cutting board is realized, and coating assembly can carry out synchronous swing spraying of double layers, better painting effect is achieved.

Description

Technical Field

[0001] This invention is an electrostatic coating device for processing bamboo cutting boards, belonging to the field of bamboo cutting board processing technology. Background Technology

[0002] Bamboo cutting boards are kitchen utensils made from natural bamboo. They are characterized by high hardness, good toughness, environmental friendliness, and durability, and are widely used in homes and the catering industry. To improve the waterproof, mildew-proof, and crack-resistant properties of bamboo cutting boards, while also optimizing the product's appearance and extending its service life, the surface of the bamboo cutting boards undergoes electrostatic coating treatment during the production process. Through electrostatic adsorption, the coating adheres evenly to the surface of the cutting board, forming a dense protective paint film.

[0003] Traditional coating equipment mostly adopts a fixed placement structure, where bamboo cutting boards are stationary during spraying. The spraying operation is completed solely by the single swing of the spray nozzle, which easily leads to missed or thin spraying in areas such as the edges, sides, and grooves of the cutting board. This results in poor coating uniformity and obvious spraying dead corners, greatly affecting the protective effect of bamboo cutting boards and the product qualification rate. Furthermore, there are very few composite motion electrostatic coating equipment specifically designed for bamboo cutting boards in the current technology. It is impossible to realize the combined rotation and revolution motion of bamboo cutting boards during the spraying process, and it is also difficult to achieve double-layer synchronous swing spraying operation. It is difficult to balance coating uniformity, full coverage, and high efficiency. At the same time, the paint recycling rate is low, and the equipment is not practical or economical. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the present invention aims to provide an electrostatic coating device for processing bamboo cutting boards.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solution: An electrostatic coating device for processing bamboo cutting boards includes an open coating box with a sealed door installed on the box via a hinge. A rotating placement mechanism extending into the top side of the open coating box is installed, and a coating component extending into the outer wall of one side of the open coating box is installed. A paint conveying mechanism connected to the coating component is installed at the center of the top of the open coating box. Two sets of support legs are symmetrically installed at the bottom of the open coating box, and a lower paint recovery component is connected between the two sets of support legs at the bottom of the open coating box.

[0006] Furthermore, the rotating placement mechanism includes a lower support plate fixed inside one side of the open coating box. L-shaped support frames are symmetrically fixed on the lower support plate, and belt drive wheels are rotatably mounted on each of the L-shaped support frames. A drive shaft is connected to the top center of one of the belt drive wheels, and a drive motor is connected to the end of the drive shaft.

[0007] Furthermore, a rotating disk is provided on one side of the lower support plate inside the coating box. A support column is rotatably installed at the center of the rotating disk. The top of the support column is connected to the top of the coating box through a connecting bearing. Four self-rotating shafts are rotatably installed on the rotating disk, and a drive belt is connected to the belt drive pulley.

[0008] Furthermore, an inverted U-shaped bracket is rotatably connected to the bottom center of the rotating disk via a rotating column. The inverted U-shaped bracket is fixed to the inner bottom of the open painting box. Each of the bottom ends of the rotating shaft is connected to a belt drive pulley, and the drive belt cooperates with the belt drive pulley.

[0009] Furthermore, the coating assembly includes a horizontal support plate fixed to the inner wall of the other side of the coating box. Support plates are symmetrically installed on the horizontal support plate, and a synchronous swing mechanism extending between the horizontal support plates is installed inside the coating box. Each synchronous swing mechanism is equipped with a high-voltage electrostatic rotary cup, and the end of each high-voltage electrostatic rotary cup is connected to a spray input pipe. The synchronous swing mechanism includes a motor fixed to the outer wall of the coating box. The output end of the motor is connected to a rotating disk extending into the coating box. A connecting rod is rotatably connected to the rotating disk via an eccentric rotating shaft. The other end of the connecting rod is rotatably connected to an upper swing plate via a rotating shaft. An upper rotating crossbar is fixedly passed through the other end of the upper swing plate. The upper rotating crossbar is rotatably connected to the support plate. A connecting plate is fixedly connected to one end of the upper rotating crossbar. The other end of the connecting plate is rotatably connected to a lower swing plate via a connecting rod. The other end of the lower swing plate is connected to a lower rotating crossbar rotatably connected to the support plate. High-voltage electrostatic rotary cups are installed on both the upper and lower rotating crossbars.

[0010] Furthermore, the paint delivery mechanism includes a paint storage tank installed at the center of the top of the coating box, a detachable lid installed at the center of the top of the paint storage tank, a pump body installed on one side of the bottom of the paint storage tank, the suction end of the pump body extending into the paint storage tank, the output end of the pump body connected to a T-shaped delivery main pipe, and the T-shaped delivery main pipe connected to the spray input pipe, and a pressure gauge installed on the T-shaped delivery main pipe.

[0011] Furthermore, the lower coating recovery component includes an open-type housing, with symmetrically arranged inclined guide plates inside the open-type housing, a filter screen installed between the inclined guide plates, and a discharge port on one side of the bottom of the open-type housing, with a removable sealing plug on the discharge port.

[0012] Furthermore, the bottom of the coating box is integrally provided with a support mesh plate, and the center of the support mesh plate is provided with a central plate for supporting the inverted U-shaped bracket. The bottom of the coating box is integrally connected with a sealing ring that matches the open shell.

[0013] The beneficial effects of this invention are: By installing a sealing door on the coating box via hinges, the coating box can be easily sealed. The rotating placement mechanism can mount the bamboo cutting board on it and achieve both rotation and revolution, thereby improving the electrostatic coating effect on the bamboo cutting board. The coating component works in conjunction with the paint conveying mechanism to realize the paint conveying. When the coating component is working, it can achieve double-layer oscillating spraying, which, together with the rotation and revolution of the bamboo cutting board, further improves the electrostatic spraying effect of the paint. The lower paint recycling component can realize the recycling of paint. This invention can realize the rotation and revolution of the bamboo cutting board. When electrostatically coating the bamboo cutting board, it can effectively improve the uniformity of the coating and achieve full coverage electrostatic spraying of the bamboo cutting board. Moreover, the coating component can perform synchronous double-layer oscillating spraying to achieve a better painting effect. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the structure of an electrostatic coating device for processing bamboo cutting boards according to the present invention; Figure 2 This is a schematic diagram of the rotating placement mechanism in an electrostatic coating device for processing bamboo cutting boards according to the present invention. Figure 3 This is a bottom view of the rotating disk in an electrostatic coating device for processing bamboo cutting boards according to the present invention. Figure 4 This is a schematic diagram of the coating component in an electrostatic coating device for processing bamboo cutting boards according to the present invention. Figure 5 This is a schematic diagram of the synchronous swing mechanism in an electrostatic coating device for processing bamboo cutting boards according to the present invention. Figure 6 This is a schematic diagram of the paint conveying mechanism in an electrostatic coating device for processing bamboo cutting boards according to the present invention; Figure 7 This is a schematic diagram of the lower coating recovery component in an electrostatic coating device for bamboo cutting board processing according to the present invention. Figure 8 This is a schematic diagram of the coating box in an electrostatic coating device for processing bamboo cutting boards according to the present invention.

[0016] In the diagram, 1. Open coating box; 2. Sealed door; 3. Rotating placement mechanism; 4. Coating assembly; 5. Paint conveying mechanism; 6. Support leg; 7. Lower paint recovery assembly; 8. Lower support plate; 9. L 10. U-shaped support frame; 11. Belt drive pulley one; 12. Drive shaft; 13. Drive motor; 14. Rotary disk; 15. Support column; 16. Connecting bearing; 17. Rotating shaft; 18. Drive belt; 19. Inverted U-shaped bracket; 20. Rotating column; 21. Belt drive pulley two; 22. Horizontal support plate; 23. Support plate; 24. Synchronous swing mechanism; 25. High-voltage electrostatic rotary cup; 26. Spray input pipe; 27. Motor; 28. Rotary disk; 29. ​​Connecting rod one; 30. Upper swing plate; 31. Upper rotating crossbar; 32. Connecting plate; 33. Lower swing plate; 34. Lower rotating crossbar; 35. Paint storage tank; 36. Tank lid; 37. Pump body; 38. T 39. Conveyor pipe; 40. Pressure gauge; 41. Open housing; 42. Inclined guide plate; 43. Filter screen; 44. Sealing plug; 45. Support mesh plate; 46. Center plate; 47. Sealing ring. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] Please see Figure 1-8 This invention provides a technical solution for an electrostatic coating device for bamboo cutting board processing, including an open coating box 1. A sealing door 2 is installed on the coating box 1 via a hinge, facilitating sealing of the coating box 1. A rotating placement mechanism 3 extending into the top side of the open coating box 1 is installed, enabling the bamboo cutting board to be mounted on it and to rotate and revolve, thereby improving the electrostatic coating effect on the bamboo cutting board. A coating assembly 4 extending into one side of the outer wall of the open coating box 1 is installed. The top center of the open coating box 1 is equipped with a paint conveying mechanism 5 connected to the coating assembly 4. Two sets of support legs 6 are symmetrically installed at the bottom of the open coating box 1, and a lower paint recycling assembly 7 is connected between the two sets of support legs 6 at the bottom of the open coating box 1. The coating assembly 4 and the paint conveying mechanism 5 work together to realize the conveying of paint. When the coating assembly 4 is working, it can realize double-layer swing spraying. With the rotation and revolution of the bamboo cutting board, the electrostatic spraying effect of the paint is further improved. The lower paint recycling assembly 7 can realize the recycling of paint.

[0019] See Figure 2-3 The rotating placement mechanism 3 includes a lower support plate 8 fixed inside one side of the open coating box 1. An L-shaped support frame 9 is symmetrically fixed on the lower support plate 8, and a belt drive wheel 10 is rotatably mounted on each L-shaped support frame 9. A drive shaft 11 is connected to the top center of one of the belt drive wheels 10, and a drive motor 12 is connected to the end of the drive shaft 11. A rotating disk 13 is located inside the coating box 1 on one side of the lower support plate 8. A support column 14 is rotatably mounted at the center of the rotating disk 13. The top of the support column 14 is connected to the top interior of the coating box 1 via a connecting bearing 15. Four rotating shafts 16 are rotatably mounted on the rotating disk 13. A drive belt 17 is connected to the belt drive wheel 10. An inverted U-shaped bracket 18 is rotatably connected to the bottom center of the rotating disk 13 via a rotating column 19. The inverted U-shaped bracket 18 is fixed to the inner bottom of the open coating box 1. A belt drive wheel 20 is connected to the bottom end of each of the rotating shafts 16, and the drive belt 17 cooperates with the belt drive wheel 20. Before painting, a through hole is made in the center of the bamboo cutting board end face to fit the rotating shaft 16. This not only fixes the cutting board but also leaves a hole for the subsequent processing of handles. The drive motor 12 drives the belt drive pulley 10 to rotate via the drive shaft 11. The drive belt 17 synchronously drives all the belt drive pulleys 20 to rotate. The belt drive pulleys 20 are connected to the rotating shaft 16. The rotating shaft 16 rotates with the pulleys, and the bamboo cutting board clamped on the upper end of the rotating shaft 16 rotates on its own, ensuring that the circumference of the cutting board is evenly coated with paint. The rotating disk 13 is supported by the rotating column 19 on the inverted U-shaped bracket 18. The upper end is limited and supported by the support column 14 and the connecting bearing 15. The rotating disk 13, with the four sets of rotating shafts 16 and the entire cutting board, revolves around the central column. There are no dead corners during spraying. With the swinging high-voltage electrostatic rotary cup 24, the entire surface of the bamboo cutting board is evenly coated with electrostatic paint.

[0020] See Figure 4-5The coating assembly 4 includes a horizontal support plate 21 fixed to the inner wall of the other side of the coating box 1. Support plates 22 are symmetrically mounted on the horizontal support plate 21. A synchronous swing mechanism 23 extending between the horizontal support plates 21 is installed inside the coating box 1. Each synchronous swing mechanism 23 is equipped with a high-voltage electrostatic rotary cup 24, the end of which is connected to a spray input pipe 25. The synchronous swing mechanism 23 includes a motor 26 fixed to the outer wall of the coating box 1. The output end of the motor 26 is connected to a rotating disk 27 extending into the coating box 1. An eccentric rotating disk 27... A shaft is rotatably connected to a connecting rod 28. The other end of the connecting rod 28 is rotatably connected to an upper swing plate 29 via a rotating shaft. The other end of the upper swing plate 29 is fixedly connected to an upper rotating crossbar 30. The upper rotating crossbar 30 is rotatably connected to a support plate 22. One end of the upper rotating crossbar 30 is fixedly connected to a connecting plate 31. The other end of the connecting plate 31 is rotatably connected to a lower swing plate 33 via a connecting rod 32. The other end of the lower swing plate 33 is connected to a lower rotating crossbar 34, which is rotatably connected to the support plate 22. High-voltage electrostatic rotating cups 24 are installed on both the upper rotating crossbar 30 and the lower rotating crossbar 34. The motor 26 drives the rotating disk 27 to rotate continuously on the same axis. The eccentric shaft converts the circular rotation into the reciprocating push-pull linear motion of the connecting rod 28. The connecting rod 28 reciprocates to pull the upper swing plate 29, which drives the upper rotating crossbar 30 to reciprocate to rotate on the two side support plates 22. The high-voltage electrostatic rotary cup 24 installed on the upper rotating crossbar 30 swings up and down synchronously. When the upper rotating crossbar 30 rotates, it drives the connecting plate 31 to swing synchronously. The connecting rod 32 drives the lower swing plate 33 to swing synchronously in the opposite direction. The lower high-voltage electrostatic rotary cup 24 swings synchronously. A single motor can drive the upper and lower high-voltage electrostatic rotary cups 24 to swing synchronously back and forth. In conjunction with the revolution and rotation of the cutting board, electrostatic spraying is applied to the entire surface of the bamboo cutting board from different directions, improving the uniformity and coverage of the paint.

[0021] See Figure 6 The paint delivery mechanism 5 includes a paint storage tank 35 installed at the top center of the coating box 1. A detachable lid 36 is installed at the top center of the paint storage tank 35. A pump body 37 is installed on one side of the bottom of the paint storage tank 35. The suction end of the pump body 37 extends into the paint storage tank 35, and the output end of the pump body 37 is connected to a T-shaped delivery main pipe 38, which is connected to the spray input pipe 25. A pressure gauge 39 is installed on the T-shaped delivery main pipe 38. The paint storage tank 35 is used to hold paint for electrostatic spraying. The lid 36 is detachable for easy daily replenishment. When the pump body 37 is started, the suction end of the pump body extends into the storage tank to draw paint. After pressurizing the paint, it is delivered to the T-shaped delivery main pipe 38. The pressurized paint is diverted through the T-shaped delivery main pipe 38 and connected to each spray input pipe 25, delivering the paint to each high-voltage electrostatic rotary cup 24. The pressure gauge 39 installed on the T-shaped delivery main pipe 38 monitors the paint delivery pressure in the pipeline in real time.

[0022] See Figure 7 The lower paint recovery component 7 includes an open-type housing 40, with symmetrically arranged inclined guide plates 41 inside the open-type housing 40. A filter screen 42 is installed between the inclined guide plates 41. A discharge port is provided on one side of the bottom of the open-type housing 40, and a detachable sealing plug 43 is provided on the discharge port. During the spraying operation, excess atomized paint and excess paint that is not adsorbed on the surface of the bamboo cutting board fall downwards under the action of gravity, pass through the support mesh plate 44 inside the coating box, and fall into the lower open-type housing 40. The two sets of inclined guide plates 41 inside the housing 40 are arranged diagonally in a V-shape. The scattered paint is collected in the middle low position along the slope of the guide plates, avoiding paint adhesion and residue accumulation on the side wall of the housing. A filter screen 42 is installed between the two inclined guide plates. When the paint flows through, it intercepts solid impurities such as paint residue and bamboo chips. The filtered liquid paint is retained at the bottom of the housing, and the impurities are trapped above the filter screen.

[0023] See Figure 8 The bottom of the coating box 1 is integrally provided with a support mesh plate 44, and a center plate 45 for supporting the inverted U-shaped bracket 18 is provided at the center of the support mesh plate 44. The bottom of the coating box 1 is integrally connected with a sealing ring 46 that cooperates with the open shell 40. The support mesh plate 44 at the bottom of the inner cavity of the coating box 1 facilitates the downward dripping of waste paint, and the center plate 45 is used to support the inverted U-shaped bracket.

[0024] In use, a sealing door 2 is installed on the coating box 1 via a hinge, facilitating the sealing of the coating box 1. The rotating placement mechanism 3 allows the bamboo cutting board to be installed on it, achieving both rotation and revolution, thereby improving the electrostatic coating effect on the bamboo cutting board. The coating component 4 works in conjunction with the paint conveying mechanism 5 to convey the paint. During operation, the coating component 4 can perform double-layer oscillating spraying, further enhancing the electrostatic spraying effect of the paint in conjunction with the rotation and revolution of the bamboo cutting board. The lower paint recycling component 7 enables the recycling of the paint. This invention enables the bamboo cutting board to rotate and revolve, effectively improving the uniformity of the coating during electrostatic coating and achieving full coverage electrostatic spraying of the bamboo cutting board. Furthermore, the coating component 4 can perform synchronous double-layer oscillating spraying, achieving a better painting effect.

[0025] Although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An electrostatic coating device for processing bamboo cutting boards, characterized in that, The coating box includes an open coating box (1), a sealing door (2) is installed on the coating box (1) via a hinge, a rotating placement mechanism (3) extending into the top side of the open coating box (1), a coating assembly (4) extending into the side outer wall of the open coating box (1), and a paint conveying mechanism (5) connected to the coating assembly (4) is installed at the top center of the open coating box (1), two sets of support legs (6) are symmetrically installed at the bottom of the open coating box (1), and a lower paint recovery assembly (7) is connected between the two sets of support legs (6) at the bottom of the open coating box (1).

2. The electrostatic coating device for processing bamboo cutting boards according to claim 1, characterized in that, The rotating placement mechanism (3) includes a lower support plate (8) fixed inside one side of the open coating box (1). An L-shaped support frame (9) is symmetrically fixed on the lower support plate (8), and a belt drive wheel (10) is rotatably mounted on each of the L-shaped support frames (9). A drive shaft (11) is connected to the top center of one of the belt drive wheels (10), and a drive motor (12) is connected to the end of the drive shaft (11).

3. The electrostatic coating device for processing bamboo cutting boards according to claim 2, characterized in that, A rotating disk (13) is provided on one side of the lower support plate (8) inside the coating box (1). A support column (14) is rotatably installed at the center of the rotating disk (13). The top of the support column (14) is connected to the top of the coating box (1) through a connecting bearing (15). Four self-rotating shafts (16) are rotatably installed on the rotating disk (13). A transmission belt (17) is connected to the belt drive pulley (10).

4. The electrostatic coating device for processing bamboo cutting boards according to claim 3, characterized in that, At the bottom center of the rotating disk (13), an inverted U-shaped bracket (18) is rotatably connected via a rotating column (19). The inverted U-shaped bracket (18) is fixed to the inner bottom of the open painting box (1). The bottom end of the rotating shaft (16) is connected to a belt drive wheel (20), and the drive belt (17) cooperates with the belt drive wheel (20).

5. The electrostatic coating device for processing bamboo cutting boards according to claim 4, characterized in that, The coating assembly (4) includes a horizontal support plate (21) fixed on the inner wall of the other side of the coating box (1), a support plate (22) symmetrically installed on the horizontal support plate (21), and a synchronous swing mechanism (23) extending between the horizontal support plates (21) installed inside the coating box (1). A high-voltage electrostatic rotary cup (24) is installed on each of the synchronous swing mechanisms (23), and the ends of the high-voltage electrostatic rotary cups (24) are connected to the spray input pipe (25).

6. The electrostatic coating device for processing bamboo cutting boards according to claim 5, characterized in that, The synchronous swing mechanism (23) includes a motor (26) fixed on the outer wall of the coating box (1). The output end of the motor (26) is connected to a rotating disk (27) extending into the coating box (1). A connecting rod (28) is rotatably connected to the rotating disk (27) via an eccentric rotating shaft. The other end of the connecting rod (28) is rotatably connected to an upper swing plate (29) via a rotating shaft. An upper rotating crossbar (30) is fixedly passed through the other end of the upper swing plate (29). The upper rotating crossbar (30) is rotatably connected to the support plate (22). A connecting plate (31) is fixedly connected to one end of the upper rotating crossbar (30). A lower swing plate (33) is rotatably connected to the other end of the connecting plate (31) via a connecting rod (32). A lower rotating crossbar (34) is rotatably connected to the other end of the lower swing plate (33) and is rotatably connected to the support plate (22). A high-voltage electrostatic rotating cup (24) is installed on both the upper rotating crossbar (30) and the lower rotating crossbar (34).

7. The electrostatic coating device for processing bamboo cutting boards according to claim 5, characterized in that, The paint delivery mechanism (5) includes a paint storage tank (35) installed at the center of the top of the paint box (1). A tank cover (36) is detachably installed at the center of the top of the paint storage tank (35). A pump body (37) is installed on one side of the bottom of the paint storage tank (35). The suction end of the pump body (37) extends into the paint storage tank (35). The output end of the pump body (37) is connected to a T-shaped delivery pipe (38), and the T-shaped delivery pipe (38) is connected to the spray input pipe (25). A pressure gauge (39) is installed on the T-shaped delivery pipe (38).

8. The electrostatic coating device for processing bamboo cutting boards according to claim 5, characterized in that, The lower coating recovery assembly (7) includes an open-type housing (40), with inclined guide plates (41) symmetrically arranged inside the open-type housing (40), and a filter screen (42) installed between the inclined guide plates (41). A discharge port is provided on one side of the bottom of the open-type housing (40), and a sealing plug (43) is detachably provided on the discharge port.

9. The electrostatic coating device for processing bamboo cutting boards according to claim 5, characterized in that, The bottom of the coating box (1) is integrally provided with a support mesh plate (44), and the center of the support mesh plate (44) is provided with a center plate (45) for supporting the inverted U-shaped bracket (18). The bottom of the coating box (1) is integrally connected with a sealing ring (46) that matches the open shell (40).

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