Roller tabletting device for producing powder coating

Abstract

The utility model relates to the field of powder coating production, in particular to a roller tabletting device for producing powder coatings, which comprises a tabletting mechanism provided with two groups of brushing mechanisms for cleaning the surface of a roller. The brushing and sweeping mechanism does not need an additional power source, the surface of the cam type pressing wheel is made of a rubber material, the cam type pressing wheel is tightly attached to the surface of the roller through the tensioning assembly, when the roller works, the cam type pressing wheel is driven to rotate around the axis through friction, and through sliding fit of a curve groove in the surface of the cam type pressing wheel and the C-shaped support, the roller can be driven to rotate. The cleaning brush reciprocates along the axis of the roller to brush and sweep residual materials on the surface of the roller, meanwhile, if the tablet pressing thickness of the powder coating is changed, sliding blocks at the two ends of the brushing and sweeping mechanism can linearly move up and down along with adjustment of the position of the roller, and the brushing and sweeping mechanism can synchronously work in the tablet pressing process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of powder coating production, in particular to a roller tabletting device for producing powder coating. BACKGROUND

[0002] The production process of powder coating usually includes mixing, melt extrusion, tabletting, coarse crushing, fine crushing and other processes, and a roller tabletting device is usually used in the tabletting process, two rollers are used to rotate oppositely to press the melt-extruded coating into a sheet, and then the coating sheet is sent to the next process through a conveying mechanism.

[0003] According to the patent file with the announcement number CN220163049U, the device is designed with a cleaning mechanism, during the maintenance of the roller tabletting device, a cleaning foam is arranged between the two rollers, the residual material adhered to the surface of the roller is adhered to the cleaning foam by the relative rotation of the rollers, and the cleaning foam can be replaced regularly to clean the residual material adhered to the surface of the roller.

[0004] The above-mentioned patent removes the residual material adhered to the surface of the roller by friction between the cleaning foam and the roller, but the friction force alone cannot remove the residual material with strong adhesion, and the tabletting device must be stopped when removing the residual material, so the removal work cannot be performed when the tabletting device is working, and improvement and optimization are needed. UTILITY MODEL CONTENT

[0005] The utility model aims to solve the above-mentioned problems and provides a roller tabletting device for producing powder coating.

[0006] The utility model realizes the above-mentioned purpose through the following technical scheme:

[0007] A roller tabletting device for producing powder coating, comprising a tabletting mechanism, the tabletting mechanism is installed with two groups of brush sweeping mechanisms for cleaning the surface of the roller,

[0008] The brush sweeping mechanism comprises a cam-type pressing wheel, the center of the cam-type pressing wheel is provided with a first shaft, a curved groove is formed in the surface of the cam-type pressing wheel, a second shaft is arranged in parallel on the outside of the cam-type pressing wheel, a C-shaped support is slidably connected to the second shaft, a sliding block is arranged at the end of the C-shaped support away from the second shaft, the sliding block of the C-shaped support slides along the curved groove of the cam-type pressing wheel, a cleaning brush is fixed to the lower end of the C-shaped support, and a tensioning assembly is arranged at the end of the sliding block away from the cleaning brush.

[0009] Preferably, the tabletting mechanism comprises a first roller, the central shaft of the first roller is rotatably connected to a support table, an electric motor is fixedly arranged at the input end of the first roller, a second roller is arranged on the front side of the first roller, and the central shaft of the second roller is rotatably connected to the support table.

[0010] Preferably, the support table is provided with a square hole at the position of the sliding block, the sliding block is provided with a sliding groove at both ends, and guide strips are fixed on both sides of the square hole and used for cooperation with the sliding groove.

[0011] Preferably, the tensioning assembly comprises a tensioning spring, the two sliding blocks are provided with hooks on the sides away from each other, the upper end of the tensioning spring is sleeved on the hook, a spring hook is fixedly installed on the support table below the hook of the sliding block, and the lower end of the tensioning spring is sleeved with the spring hook.

[0012] Preferably, the first roller is fixed with a first gear at the end away from the motor, the first gear is located on the outer side of the support table, the second roller is fixedly connected with a second gear at one side of the shaft end, and the first gear is engaged with the second gear.

[0013] Preferably, the brushing mechanism has two groups and is symmetrically installed on both sides of the first roller and the second roller.

[0014] Compared with the prior art, the beneficial effects are as follows:

[0015] The brushing mechanism does not need to be provided with a power source, the cam-type compression wheel is made of rubber material, the cam-type compression wheel is tightly attached to the surface of the roller through the tensioning assembly, the cam-type compression wheel is driven to rotate around the shaft center through friction while the roller is working, the cleaning brush moves back and forth along the roller axis through the sliding cooperation of the curved groove on the surface of the cam-type compression wheel and the C-shaped support, so that the residual material on the surface of the roller is brushed, and if the thickness of the powder coating tablet needs to be changed, the distance between the two rollers needs to be adjusted, at this time, the position of the brushing mechanism does not need to be adjusted, the sliding blocks at both ends of the brushing mechanism can move up and down linearly along with the adjustment of the position of the roller, so that the brushing mechanism can work under different tabletting conditions, and the working position of the brushing mechanism does not affect the tabletting of the molten coating by the roller, that is, the brushing mechanism can work synchronously in the tabletting process. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings are used to provide a further understanding of the present application and constitute a part of the specification, and are used together with the following specific embodiments to explain the present application, but do not constitute a limitation to the present application. In the drawings:

[0017] Figure 1 is a perspective view of the roller tabletting device for producing powder coating according to the present application;

[0018] Figure 2 is a front view of the roller tabletting device for producing powder coating according to the present application;

[0019] Figure 3 is a top view of the roller tabletting device for producing powder coating according to the present application;

[0020] Figure 4It is the perspective view of the roller tablet pressing device brush sweeping mechanism for producing powder coating,

[0021] Figure 5 It is the partial section view of the sliding block of the roller tablet pressing device for producing powder coating.

[0022] The signs are explained as follows:

[0023] 1, brush sweeping mechanism; 101, cam type pressure roller; 102, first shaft; 103, C type support; 104, cleaning brush; 105, second shaft; 106, sliding block; 107, tension spring; 108, spring hook; 2, tablet pressing mechanism; 201, motor; 202, first roller; 203, second roller; 204, support table; 205, first gear; 206, second gear. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0025] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

[0026] The present application will be further described below with reference to the drawings:

[0027] As Figures 1-5 shown, a roller tablet pressing device for producing powder coating, comprising a tablet pressing mechanism 2, the tablet pressing mechanism 2 is installed with two groups of brush sweeping mechanism 1 for cleaning the surface of the roller;

[0028] In the embodiment, the brushing mechanism 1 comprises a cam-type pressure roller 101, the center of the cam-type pressure roller 101 is provided with a first shaft 102, the surface of the cam-type pressure roller 101 is provided with a curved groove, the outer side of the cam-type pressure roller 101 is provided with a second shaft 105 in parallel, the C-shaped support 103 is slidably connected to the second shaft 105, the end of the C-shaped support 103 away from the second shaft 105 is provided with a sliding block, the sliding block of the C-shaped support 103 slides along the curved groove of the cam-type pressure roller 101, the lower end of the C-shaped support 103 is fixedly provided with a cleaning brush 104, the first shaft 102 and the second shaft 105 are both provided with sliding blocks 106 at both ends, the end of the sliding block 106 away from the cleaning brush 104 is provided with a tensioning assembly, the tensioning assembly comprises a tensioning spring 107, the upper end of the tensioning spring 107 is sleeved on the hook, the sliding block 106 is provided with a spring hook 108 fixedly installed below the hook on the supporting table 204, the lower end of the tensioning spring 107 is sleeved with the spring hook 108, the surface of the cam-type pressure roller 101 is made of rubber material, the tensioning assembly has a downward tension on the brushing mechanism 1, which is beneficial to the close contact between the cam-type pressure roller 101 and the surface of the first roller 202, when the first roller 202 rotates, the cam-type pressure roller 101 rotates under the action of friction, through the sliding cooperation of the curved groove on the surface of the cam-type pressure roller 101 and the sliding block of the C-shaped support 103, the C-shaped support 103 reciprocatingly slides along the second shaft 105, so that the cleaning brush 104 completes the brushing of the residual material on the surface of the second roller 203.

[0029] In the embodiment, the tabletting mechanism 2 comprises a first roller 202, the central shaft of the first roller 202 is rotationally connected with the supporting table 204, the input end of the first roller 202 is fixedly provided with a motor 201, the front side of the first roller 202 is provided with a second roller 203, the central shaft of the second roller 203 is rotationally connected with the supporting table 204, the end of the first roller 202 away from the motor 201 is fixedly provided with a first gear 205, the first gear 205 is located outside the supporting table 204, the shaft end of the second roller 203 on one side is fixedly connected with a second gear 206, the first gear 205 is engaged with the second gear 206, when the motor 201 is started, the second roller 203 and the second gear 206 are driven to rotate, through the mutual engagement of the first gear 205 and the second gear 206, the first roller 202 is driven to rotate, at this time, the first roller 202 and the second roller 203 rotate in opposite directions, so that the molten coating material extruded is pressed into a sheet.

[0030] In the embodiment, the sliding block 106 is installed at the vertical surface of the support table 204, and the sliding block 106 is provided with sliding block guide blocks on both sides in contact with the support table 204, and the support table 204 is provided with sliding grooves at the positions in contact with the sliding block 106, and the guide blocks of the sliding block 106 can slide up and down linearly along the sliding grooves of the support table 204. When it is necessary to adjust the thickness of the powder coating sheet, it is necessary to adjust the positions of the first roller 202 and the second roller 203 to change the gap between the rollers, at this time, the distance between the rollers and the cam-type pressing wheel 101 and the cleaning brush 104 changes, and the sliding block 106 can drive the cleaning mechanism 1 to move up and down to realize better adhesion of the cleaning brush 104 and the rollers.

[0031] In the embodiment, the cleaning mechanism 1 has two groups and is symmetrically installed on both sides of the first roller 202 and the second roller 203, and the installation position does not affect the sheet pressing of the molten coating by the first roller 202 and the second roller 203, that is, the cleaning mechanism 1 can work synchronously during the sheet pressing.

[0032] Working principle: when the motor 201 starts, the second roller 203 and the second gear 206 are driven to rotate, the first roller 202 is driven to rotate through the mutual meshing of the first gear 205 and the second gear 206, at this time, the first roller 202 and the second roller 203 rotate oppositely to realize the pressing of the molten coating extruded into a sheet;

[0033] The surface of the cam-type pressing wheel 101 is made of rubber material, and there is a downward pulling force on the cleaning mechanism 1 by the tensioning assembly, which is beneficial to the close adhesion of the cam-type pressing wheel 101 and the surface of the first roller 202. When the first roller 202 rotates, the cam-type pressing wheel 101 rotates under the action of friction, and through the sliding cooperation of the curved groove on the surface of the cam-type pressing wheel 101 and the sliding block of the C-shaped support 103, the C-shaped support 103 slides along the second shaft 105 reciprocally to drive the cleaning brush 104 to complete the brushing of the residual material on the surface of the second roller 203;

[0034] The cleaning mechanism 1 is symmetrically installed on both sides of the first roller 202 and the second roller 203, and the installation position does not affect the sheet pressing of the molten coating by the first roller 202 and the second roller 203, that is, the cleaning mechanism 1 can work synchronously during the sheet pressing.

[0035] The guide blocks of the sliding block 106 can slide up and down linearly along the sliding grooves of the support table 204, when it is necessary to adjust the thickness of the powder coating sheet, it is necessary to adjust the positions of the first roller 202 and the second roller 203 to change the gap between the rollers, at this time, the distance between the rollers and the cam-type pressing wheel 101 and the cleaning brush 104 changes, and the sliding block 106 can drive the cleaning mechanism 1 to move up and down to realize better adhesion of the cleaning brush 104 and the rollers.

[0036] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A roller pressing device for producing powder coatings, comprising a pressing mechanism (2), characterized in that: The tablet pressing mechanism (2) is equipped with two sets of brushing mechanisms (1) for cleaning the surface of the rollers; The brushing mechanism (1) includes a cam-type pressure roller (101), a first shaft (102) is provided at the center of the cam-type pressure roller (101), a curved groove is provided on the surface of the cam-type pressure roller (101), a second shaft (105) is provided parallel to the outer side of the cam-type pressure roller (101), a C-shaped bracket (103) is slidably connected on the second shaft (105), a slider is provided at the end of the C-shaped bracket (103) away from the second shaft (105), the slider of the C-shaped bracket (103) slides along the curved groove of the cam-type pressure roller (101), a cleaning brush (104) is fixed at the lower end of the C-shaped bracket (103), and sliding blocks (106) are provided at both ends of the first shaft (102) and the second shaft (105), and a tensioning component is provided at the end of the sliding block (106) away from the cleaning brush (104).

2. The roller pressing device for producing powder coatings according to claim 1, characterized in that: The tablet pressing mechanism (2) includes a first roller (202), the central axis of the first roller (202) is rotatably connected to the support platform (204), an electric motor (201) is fixedly installed at the input end of the first roller (202), and a second roller (203) is provided on the front side of the first roller (202), the central axis of the second roller (203) is rotatably connected to the support platform (204).

3. The roller pressing device for producing powder coatings according to claim 2, characterized in that: The support platform (204) has a square hole at the position of the sliding block (106), and the sliding block (106) has grooves at both ends. Guide strips for cooperating with the grooves are fixed on the front and rear sides of the square hole.

4. A roller pressing device for producing powder coatings according to claim 2, characterized in that: The tensioning assembly includes a tension spring (107), and hooks are provided on the sides of the two sliding blocks (106) that are far apart from each other. The upper end of the tension spring (107) is sleeved on the hooks, and a spring hook (108) is fixedly installed on the support platform (204) below the hooks of the sliding blocks (106). The lower end of the tension spring (107) is sleeved with the spring hook (108).

5. A roller pressing device for producing powder coatings according to claim 2, characterized in that: A first gear (205) is fixed to one end of the first roller (202) away from the motor (201). The first gear (205) is located outside the support platform (204). The shaft end of one side of the second roller (203) is fixedly connected to the second gear (206). The first gear (205) meshes with the second gear (206).

6. A roller pressing device for producing powder coatings according to claim 2, characterized in that: The brushing mechanism (1) consists of two sets, which are symmetrically installed on both sides of the first roller (202) and the second roller (203).

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