Plate paint spraying device

Abstract

The utility model belongs to the technical field of plate processing equipment, and particularly relates to a plate paint spraying device which comprises a cabinet body, the cabinet body is of a hollow structure with an opening in the right side, and a side plate is fixed to the upper portion of the opening in the right side of the cabinet body. According to the device, the paint spraying mechanism is arranged, paint is differentiated through a flow dividing pipe, then paint spraying operation is conducted on the surface wall of a plate through a plurality of spraying heads, the limitation and low efficiency caused when paint spraying is conducted only through a single spraying head in a traditional device are changed, and the device is easy to operate and extremely high in paint spraying efficiency; an electric heating pipe and a protective cover are arranged, a large amount of heat is generated through work of the electric heating pipe, the left side of an inner cavity of the cabinet body is heated, and therefore curing of the painted surfaces of plates is accelerated, and the time needed for waiting for natural cooling and curing of paint in a traditional device is greatly shortened; and the production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of plate processing equipment, and in particular relates to a plate spraying device. Background Art

[0002] The plate usually needs to be sprayed with a layer of paint on its surface to prevent the plate from rusting or corrosion, and to make the plate more beautiful. In order to ensure the quality of painting, the paint is often evenly sprayed on the plate surface through a plate spraying device. In actual use, it is more important to perform the painting operation more automatically.

[0003] For example, the Chinese patent with the publication number CN219682994U discloses a plate painting device, including a frame-shaped frame, a horizontal moving component, a vertical moving component and two paint spray heads, the opening of the frame is set to the left and right sides, and both ends are provided with charging components, the top of the frame is provided with a through slot downward, the horizontal moving component is movably arranged in the through slot, the vertical moving component is arranged at the bottom of the horizontal moving component, the two paint spray heads are respectively arranged on both sides of the vertical moving component, and both are connected with the corresponding charging components through pipelines, and the top of the horizontal moving component is provided with a driving unit, and the driving unit is transmission-connected with the horizontal moving component and the vertical moving component. The utility model is a plate painting device, which can drive the paint spray head to move in the xy axis direction through the horizontal moving component and the vertical moving component, so as to spray paint on the surface of the plate fixed on the left and right sides of the device, and the device not only saves labor, but also can make the painting on the surface of the plate more uniform.

[0004] This patent has some shortcomings when in use, such as: the device in this patent only uses a single nozzle to spray paint on the plate, and after one of the plates is painted, it is necessary to manually turn the plate over from the rack for a second time, which results in low overall painting efficiency and is time-consuming and labor-intensive; in addition, after the plate is painted, the device in this patent needs to be manually turned over, and in order to prevent the painted surface from being pressed, accidentally touched, or other improper operations, the device needs to wait for the paint surface to dry naturally, which takes a long time overall. When dealing with a large number of plate painting processes, the overall time required is extremely long, and the manpower loss is large, resulting in a decrease in production capacity, which ultimately leads to the inability of production efficiency to meet market demand on time. In view of this, we propose a plate painting device. Utility Model Content

[0005] The purpose of the utility model is to provide a plate painting device to solve the problems raised in the above background technology.

[0006] In view of this, the utility model provides a plate painting device, comprising:

[0007] A cabinet body, wherein the cabinet body is an internally hollow structure with an opening on the right side, a side panel is fixed at an upper position of the opening on the right side of the cabinet body, an inverted support plate is fixed to the top of the inner cavity of the cabinet body, a mounting plate slidably connected to the inner wall of the cabinet body is arranged between the side panel and the support plate, an electric slide rail is symmetrically fixed to the left wall of the mounting plate, a sliding sleeve is slidably installed on the electric slide rail, and a paint spraying mechanism for spraying paint on the plate is arranged between the two sliding sleeves;

[0008] A driving assembly, the driving assembly is located between the side plate and the support plate and is used to drive the mounting plate to perform lateral displacement in the inner cavity of the cabinet;

[0009] A clamping assembly, which is located on the lower surface of the support plate and is used to clamp and fix the plate;

[0010] A plurality of electric heating tubes are fixedly installed on the left side of the inner cavity of the cabinet, and a protective cover fixed to the inner wall of the cabinet is arranged on the right side of the plurality of electric heating tubes.

[0011] In the above technical solution, further, the paint spraying mechanism includes:

[0012] A connecting plate, wherein the connecting plate is fixedly installed between two sliding sleeves, a shunt pipe is fixed on the left side of the connecting plate, and nozzles are installed on multiple output ends of the shunt pipe, a delivery pipe is arranged on the right side of the connecting plate, and one end of the delivery pipe is fixed to the input end of the shunt pipe, a paint box is fixed on the right side of the mounting plate, and a paint pump is installed in the paint box, and the other end of the delivery pipe passes through the left side wall of the mounting plate and extends to the inner cavity of the paint box and is fixed to the output end of the paint pump.

[0013] In the above technical solution, further, clamps are sleeved at both the front and rear sides of the diverter pipe, and one end of the clamp is fixed to the left side wall of the connecting plate.

[0014] In the above technical solution, further, a feeding pipe is provided on the upper surface of the paint box, and a plug is plugged and installed on the feeding pipe.

[0015] In the above technical solution, further, the driving component includes:

[0016] A threaded rod, the threaded rod is rotatably installed between the side plate and the support plate, and the threaded rod passes through the mounting plate and is threadedly matched with the mounting plate, a motor 1 is fixedly installed on the right side wall of the side plate, and the output shaft of the motor 1 passes through the right side wall of the side plate and extends to the left side and is coaxially connected to the threaded rod, sliding rods are symmetrically arranged on the front and rear sides of the threaded rod, and the two ends of the sliding rod are respectively fixed to the side walls of the side plate and the support plate, and the sliding rod passes through the mounting plate and is slidably matched with the mounting plate.

[0017] In the above technical solution, further, the clamping assembly includes:

[0018] A rotating rod, which is rotatably installed at the center position of the lower surface of the support plate. A U-shaped clamping plate is fixed to the bottom end of the rotating rod. An extrusion plate is slidably installed inside the clamping plate. An electric push rod is fixedly installed on the outer wall of the clamping plate, and the telescopic rod end of the electric push rod penetrates through the outer wall of the clamping plate and extends into the inner cavity to be fixed to the side wall of the extrusion plate. On the side of the extrusion plate close to the electric push rod, stabilizing rods are symmetrically fixed. A spring that is fixed to the extrusion plate and the inner wall of the clamping plate is sleeved outside the stabilizing rods. Through holes that can accommodate the insertion of two stabilizing rods are formed in the inner wall of the clamping plate. A second motor is fixed in the sandwich inner cavity of the support plate, and the output shaft of the second motor penetrates through the inner bottom surface of the support plate and extends downward to be coaxially connected to the rotating rod.

[0019] In the above technical solution, further, a feeding port is formed in the side wall of the cabinet body. A sliding groove is formed in the outer wall of the cabinet body and close to the feeding port. A baffle is slidably installed at the feeding port, and the baffle is slidably matched with the sliding groove.

[0020] The beneficial effects of the present utility model are:

[0021] 1. For this plate painting device, by setting up a painting mechanism, the paint is divided by a flow dividing pipe, and then the surface of the plate is painted through multiple nozzles. This changes the limitations and inefficiencies of the traditional device that only sprays paint through a single nozzle. This device is easy to operate, has extremely high painting efficiency performance, and sprays the plate through multiple nozzles, resulting in a relatively high uniformity of the painted surface and a good painting effect.

[0022] 2. For this plate painting device, by setting up electric heating tubes and a protective cover, the protective cover effectively protects the multiple electric heating tubes. The electric heating tubes generate a large amount of heat during operation, causing the left side of the inner cavity of the cabinet body to heat up, thereby accelerating the curing of the painted surface of the plate. This greatly reduces the time required for the paint to naturally cool and cure in the traditional device and improves production efficiency. Description of the Drawings

[0023] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0024] Figure 2 is one of the sectional schematic diagrams of the overall structure in the present utility model;

[0025] Figure 3 is the second sectional schematic diagram of the overall structure in the present utility model;

[0026] Figure 4 is a schematic diagram of the structure of the painting mechanism in the present utility model;

[0027] Figure 5 This is an exploded schematic diagram of the paint box in the utility model;

[0028] Figure 6 It is a structural schematic diagram of the clamping assembly in the utility model.

[0029] The symbols in the figure are:

[0030] 1. Cabinet; 2. Side panel; 3. Support plate; 4. Mounting plate; 5. Electric slide rail; 6. Sleeve; 7. Connecting plate; 8. Diverter pipe; 9. Nozzle; 10. Clamp; 11. Delivery pipe; 12. Paint box; 13. Paint pump; 14. Feed pipe; 15. Plug; 16. Threaded rod; 17. Slide rod; 18. Motor 1; 19. Rotating rod; 20. Clamp; 21. Extrusion plate; 22. Electric push rod; 23. Stabilizer bar; 24. Spring; 25. Motor 2; 26. Electric heating tube; 27. Protective cover; 28. Slide groove; 29. ​​Baffle. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0032] In the description of the present application, it should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The techniques, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but in appropriate cases, the techniques, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0033] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0034] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0035] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0036] Embodiment 1:

[0037] See also Figure 1 - Figure 6 As shown, this embodiment provides a plate painting device, comprising:

[0038] The cabinet 1 is a hollow structure with an opening on the right side. A side panel 2 is fixed at the upper position of the opening on the right side of the cabinet 1. A support plate 3 in an inverted shape is fixed to the top of the inner cavity of the cabinet 1. A mounting plate 4 slidably connected to the inner wall of the cabinet 1 is arranged between the side panel 2 and the support plate 3. An electric slide rail 5 is symmetrically fixed to the left wall of the mounting plate 4. A sliding sleeve 6 is slidably installed on the electric slide rail 5. A paint spraying mechanism for spraying paint on the plate is arranged between the two sliding sleeves 6;

[0039] A driving assembly, the driving assembly is located between the side plate 2 and the support plate 3, and is used to drive the mounting plate 4 to perform lateral displacement in the inner cavity of the cabinet 1;

[0040] A clamping assembly, which is located on the lower surface of the support plate 3 and is used to clamp and fix the plate;

[0041] A plurality of electric heating tubes 26, the plurality of electric heating tubes 26 are fixedly installed at the left side of the inner cavity of the cabinet 1, and a protective cover 27 fixed to the inner wall of the cabinet 1 is arranged on the right side of the plurality of electric heating tubes 26;

[0042] In this embodiment, the paint spraying mechanism includes:

[0043] A connecting plate 7 is fixedly installed between two sliding sleeves 6. A shunt pipe 8 is fixed on the left side of the connecting plate 7. Multiple output ends of the shunt pipe 8 are all installed with nozzles 9. A delivery pipe 11 is arranged on the right side of the connecting plate 7. One end of the delivery pipe 11 is fixed to the input end of the shunt pipe 8. A paint box 12 is fixed to the right side of the mounting plate 4. A paint pump 13 is installed in the paint box 12. The other end of the delivery pipe 11 passes through the left side wall of the mounting plate 4 and extends to the inner cavity of the paint box 12 and is fixed to the output end of the paint pump 13.

[0044] In this embodiment, the driving component includes:

[0045] The threaded rod 16 is rotatably mounted between the side plate 2 and the support plate 3, and the threaded rod 16 passes through the mounting plate 4 and is threadedly matched with the mounting plate 4. A motor 18 is fixedly mounted on the right side wall of the side plate 2, and the output shaft of the motor 18 passes through the right side wall of the side plate 2 and extends to the left side to be coaxially connected with the threaded rod 16. Slide rods 17 are symmetrically arranged on the front and rear sides of the threaded rod 16, and the two ends of the slide rod 17 are respectively fixed to the side walls of the side plate 2 and the support plate 3, and the slide rod 17 passes through the mounting plate 4 and is slidably matched with the mounting plate 4;

[0046] In this embodiment, the clamping assembly includes:

[0047] Rotate the rotating rod 19. The rotating rod 19 is rotatably installed at the center position of the lower surface of the support plate 3. A U-shaped clamping plate 20 is fixed to the bottom end of the rotating rod 19. An extrusion plate 21 is slidably installed inside the clamping plate 20. An electric push rod 22 is fixedly installed on the outer wall of the clamping plate 20, and the telescopic rod end of the electric push rod 22 penetrates through the outer wall of the clamping plate 20 and extends into the inner cavity to be fixed to the side wall of the extrusion plate 21. Two stabilizing rods 23 are symmetrically fixed to the side of the extrusion plate 21 close to the electric push rod 22. A spring 24 fixed to the extrusion plate 21 and the inner wall of the clamping plate 20 is sleeved outside the stabilizing rods 23. Through holes for accommodating the insertion of the two stabilizing rods 23 are formed in the inner wall of the clamping plate 20. A second motor 25 is fixed in the inner cavity of the sandwich layer of the support plate 3, and the output shaft of the second motor 25 penetrates through the inner bottom surface of the support plate 3 and extends downward to be coaxially connected to the rotating rod 19.

[0048] Among them, the working principle of this device is as follows:

[0049] Slide the baffle 29 to the left to open the feeding port. Then place the plate through the feeding port under the clamping assembly. At this time, the clamping assembly works. The telescopic rod of the electric push rod 22 extends to the right and pushes the extrusion plate 21. The extrusion plate 21 slowly approaches the plate until it forms a clamp on the plate with the right inner wall of the clamping plate 20, thereby fixing the plate under the clamping plate 20.

[0050] Then start the driving assembly. The output shaft of the first motor 18 rotates and drives the threaded rod 16 to rotate. Under the action of the threading force, the mounting plate 4 slides towards the left side inside the cabinet 1 and makes the painting mechanism approach the plate. When it reaches the position, the driving assembly stops working and the painting mechanism is started at the same time. At this time, the paint pump 13 works and transports the paint in the paint tank 12 into the delivery pipe 11. The paint enters the shunt pipe 8 through the delivery pipe 11 and is shunted by the shunt pipe 8. Under the action of the shunt pipe 8, the paint is shunted to the positions of multiple nozzles 9 and forms atomized paint under the action of the nozzles 9. During this process, start the two electric slide rails 5. The sliding sleeves 6 on the two electric slide rails 5 slowly slide from top to bottom. The two sliding sleeves 6 drive the connecting plate 7 and the painting mechanism located on the connecting plate 7 to slide downward, thereby gradually completing the painting operation on the side of the plate.

[0051] When one side of the plate is painted, the drive assembly starts in the reverse direction and drives the mounting plate 4 away from the plate, so that the plate has enough rotation space in the inner cavity of the cabinet 1, and starts multiple electric heating tubes 26 and motor 25 in the clamping assembly. At this time, multiple electric heating tubes 26 work and generate a lot of heat, so that the left side of the inner cavity of the cabinet 1 begins to heat up, and the output shaft of motor 25 rotates and drives the rotating rod 19 to rotate. The rotating rod 19 drives the clamping plate 20 and the plate clamped by the clamping plate 20 to rotate synchronously, so that the left side wall of the plate that has not completed the painting operation rotates to the right side, and the painting is completed. The right side wall of the panel is rotated to the left side of the inner cavity of the cabinet 1, and begins to solidify under the action of multiple electric heating tubes 26, while the left side wall of the panel that has not been painted is painted again as described above, and after the painting is completed, it is rotated back to the left side of the inner cavity of the cabinet 1, and the curing operation is completed under the action of multiple electric heating tubes 26, just like the right side wall that has been solidified. It is worth noting that when the motor 25 is started, the paint spraying mechanism stops running to avoid uneven secondary spraying of the paint surface that has been painted during the rotation of the panel and the spraying of excess paint to the left side of the inner cavity of the cabinet 1;

[0052] When the plate is finished being painted and dried and cured, the baffle 29 is slid again and the plate is taken out from the inner cavity of the cabinet 1;

[0053] When it is necessary to add paint to the paint box 12 , the plug 15 only needs to be opened upwards, and the paint can be added into the paint box 12 through the feed pipe 14 .

[0054] By setting up a paint spraying mechanism, the paint is separated by a diverter pipe 8, and then the surface wall of the plate is sprayed with paint by multiple nozzles 9, which changes the limitations and inefficiency of spraying paint by only a single nozzle 9 in the traditional device. The device is simple to operate and has extremely high paint spraying performance. In addition, the plate is sprayed with paint by multiple nozzles 9, and the paint surface is more uniform and the paint spraying effect is better. By setting up an electric heating tube 26 and a protective cover 27, the protective cover 27 is used to form effective protection for the multiple electric heating tubes 26, and the electric heating tube 26 generates a large amount of heat, so that the left side of the inner cavity of the cabinet 1 is heated, thereby accelerating the curing of the painted surface of the plate, greatly reducing the time required to wait for the paint to cool and solidify naturally in the traditional device, and improving production efficiency.

[0055] Embodiment 2:

[0056] The present embodiment provides a plate painting device, which, in addition to the technical solutions of the above-mentioned embodiments, also has the following technical features: clamps 10 are sleeved at the front and rear sides of the diversion pipe 8, and one end of the clamp 10 is fixed to the left side wall of the connecting plate 7.

[0057] Among them, by arranging the clamp 10, the two sides of the shunt pipe 8 away from the center can also form a stable and reliable support with the connecting plate 7, avoiding the uneven painting of multiple nozzles 9 due to the tilting of the shunt pipe 8, thereby improving the stability of the multiple nozzles 9 of the device when spraying paint and ensuring the painting effect of the device.

[0058] Embodiment 3:

[0059] This embodiment provides a plate painting device, which, in addition to the technical solutions of the above embodiments, also has the following technical features: a feed pipe 14 is provided on the upper surface of the paint box 12, and a plug 15 is installed on the feed pipe 14.

[0060] The feeding pipe 14 is provided to facilitate adding paint to the inner cavity of the paint box 12 , and the plug 15 is provided to prevent dust in the outside air from entering the inner cavity of the paint box 12 .

[0061] Embodiment 4:

[0062] The present embodiment provides a plate painting device, which, in addition to the technical solutions of the above-mentioned embodiments, also has the following technical features: a feeding port is provided on the side wall of the cabinet 1, a slide groove 28 is provided on the outer wall of the cabinet 1 near the feeding port, a baffle 29 is slidably installed at the feeding port, and the baffle 29 is slidably matched with the slide groove 28.

[0063] The feeding port is provided to facilitate placing the plate into the inner cavity of the cabinet 1, and the baffle 29 is provided to prevent the paint from being sprayed to the outside through the feeding port during the painting operation.

[0064] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A plate painting device, characterized in that: include: A cabinet (1), wherein the cabinet (1) is an internally hollow structure with an opening on the right side, a side panel (2) is fixed at an upper position of the right opening of the cabinet (1), a support panel (3) in an inverted shape is fixed to the top of the inner cavity of the cabinet (1), a mounting panel (4) slidably connected to the inner wall of the cabinet (1) is arranged between the side panel (2) and the support panel (3), an electric slide rail (5) is symmetrically fixed to the left side wall of the mounting panel (4), a sliding sleeve (6) is slidably mounted on the electric slide rail (5), and a painting mechanism for painting the plate is arranged between the two sliding sleeves (6); A driving assembly, the driving assembly being located between the side plate (2) and the support plate (3) and being used to drive the mounting plate (4) to perform lateral displacement in the inner cavity of the cabinet (1); A clamping assembly, the clamping assembly is located on the lower surface of the support plate (3) and is used to clamp and fix the plate; A plurality of electric heating tubes (26) are fixedly installed on the left side of the inner cavity of the cabinet (1), and a protective cover (27) fixed to the inner wall of the cabinet (1) is arranged on the right side of the plurality of electric heating tubes (26).

2. A plate painting device according to claim 1, characterized in that: The paint spraying mechanism comprises: A connecting plate (7) is fixedly mounted between two sliding sleeves (6); a shunt pipe (8) is fixedly mounted on the left side of the connecting plate (7); a plurality of output ends of the shunt pipe (8) are all mounted with nozzles (9); a delivery pipe (11) is arranged on the right side of the connecting plate (7); one end of the delivery pipe (11) is fixedly mounted to the input end of the shunt pipe (8); a paint box (12) is fixedly mounted on the right side of the mounting plate (4); a paint pump (13) is mounted in the paint box (12); the other end of the delivery pipe (11) passes through the left side wall of the mounting plate (4) and extends to the inner cavity of the paint box (12) and is fixedly mounted to the output end of the paint pump (13).

3. A plate painting device according to claim 2, characterized in that: The shunt pipe (8) is sleeved with a clamp (10) at both the front and rear sides, and one end of the clamp (10) is fixed to the left side wall of the connecting plate (7).

4. A plate painting device according to claim 2, characterized in that: The upper surface of the paint box (12) is provided with a feeding pipe (14), and a plug (15) is plugged and installed on the feeding pipe (14).

5. A plate painting device according to claim 1, characterized in that: The drive assembly comprises: A threaded rod (16), wherein the threaded rod (16) is rotatably mounted between the side plate (2) and the support plate (3), and the threaded rod (16) passes through the mounting plate (4) and is threadedly engaged with the mounting plate (4); a motor (18) is fixedly mounted on the right side wall of the side plate (2), and an output shaft of the motor (18) passes through the right side wall of the side plate (2) and extends to the left side to be coaxially connected with the threaded rod (16); sliding rods (17) are symmetrically arranged on the front and rear sides of the threaded rod (16), and the two ends of the sliding rod (17) are respectively fixed to the side walls of the side plate (2) and the support plate (3); the sliding rod (17) passes through the mounting plate (4) and is slidably engaged with the mounting plate (4).

6. A plate painting device according to claim 1, characterized in that: The clamping assembly comprises: Rotating rod (19), the rotating rod (19) is rotatably installed at the central position of the lower surface of the support plate (3). A U-shaped clamping plate (20) is fixed to the bottom end of the rotating rod (19). An extrusion plate (21) is slidably installed in the clamping plate (20). An electric push rod (22) is fixedly installed on the outer wall of the clamping plate (20), and the telescopic rod end of the electric push rod (22) penetrates through the outer wall of the clamping plate (20) and extends into the inner cavity to be fixed to the side wall of the extrusion plate (21). On the side of the extrusion plate (21) close to the electric push rod (22), stabilizing rods (23) are symmetrically fixed. A spring (24) fixed to the extrusion plate (21) and the inner wall of the clamping plate (20) is sleeved outside the stabilizing rod (23). Through holes for accommodating the insertion of two stabilizing rods (23) are formed in the inner wall of the clamping plate (20). A second motor (25) is fixed in the sandwich inner cavity of the support plate (3), and the output shaft of the second motor (25) penetrates through the inner bottom surface of the support plate (3) and extends downward to be coaxially connected to the rotating rod (19).

7. A plate painting device according to claim 1, characterized in that: A feeding port is formed in the side wall of the cabinet body (1). A sliding groove (28) is formed in the outer wall of the cabinet body 1() and near the feeding port. A baffle plate (29) is slidably installed at the feeding port, and the baffle plate (29) is in sliding fit with the sliding groove (28).

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