Coating grinding equipment

Abstract

The invention discloses coating grinding equipment, and relates to the technical field of art coating processing treatment, the coating grinding equipment comprises a rotating column, a sliding circular clamping groove is formed in the outer side of the rotating column, an adjusting ring is rotationally clamped in the sliding circular clamping groove, and a grinding bin is fixedly connected to the outer side of the adjusting ring; a first limiting rod is rotationally connected into the grinding bin in a clamped mode. According to the paint grinding equipment, solid paint is ground and stirred through the cooperation effect of the grinding bin, the paint collecting box and the stirring bin, and after the grinding bin completes grinding of the paint, an adjusting ring is rotated, so that paint powder in the paint collecting box is stirred through the stirring bin; according to the coating grinding equipment, coating powder in the coating collecting box does not need to be poured into the stirring bin, the situation that part of powder is scattered on a table top in the coating powder pouring process of students is avoided, meanwhile, the coating grinding equipment can facilitate self-making of coating by the students, and the interestingness of coating manufacturing by the students is improved.

Description

Technical Field

[0001] The invention relates to the technical field of artistic paint processing, in particular to paint grinding equipment. Background Art

[0002] Paint is a general term for a class of liquid or solid materials that can be applied to the surface of an object to form a solid coating film with protection, decoration or special properties (such as insulation, corrosion resistance, marking, etc.); including oil (based) paint, water-based paint, powder coating; when producing paint, it is necessary to grind the raw material particles of the paint to make it more delicate and uniform, so a grinder is needed to grind the solid particles. In the art teaching course, in order to enable students to fully understand the production process of art paint, the teacher will demonstrate the production process of paint in class.

[0003] For example, the Chinese patent number: CN112076838B, "A kind of art paint grinding device", includes a workbench, a side panel is fixedly installed on one side of the upper end surface of the workbench, a support plate is fixedly installed on the other side of the upper end surface of the workbench, a second motor is fixedly installed on one side of the side plate through an adjusting piece, a grinding disc is fixedly installed at the lower end of the second motor control output, a discharge pipe is fixedly installed in the middle of the workbench, a containing dish is fixedly installed on the upper end of the discharge pipe, an edge is fixedly installed on the upper end of the containing dish, and a filter is fixedly installed inside the containing dish.

[0004] However, in the prior art, after students use a handheld paint grinder to grind solid paint in class, they need to pour the paint powder from the inside of a powder storage box into the inside of a mixer, and then stir it inside the mixer. However, the paint powder produced by the handheld paint grinder is relatively light, and some of the powder will fall onto the table during the pouring process, affecting the cleanliness of the classroom environment. Summary of the invention

[0005] The purpose of the present invention is to provide a paint grinding device to solve the problem raised in the above background technology that after students use a handheld paint grinder to grind solid paint in class, they need to pour the paint powder from the inside of a powder storage box into the inside of a mixer and then stir it inside the mixer. However, the paint powder produced by the handheld paint grinder is relatively light, and some of the powder will fall onto the table during the pouring process, affecting the cleanliness of the classroom environment.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a paint grinding device, comprising a rotating column, a sliding circular card slot is provided on the outer side of the rotating column, an adjusting ring is rotatably clamped inside the sliding circular card slot, a grinding bin is fixedly connected to the outer side of the adjusting ring, a No. 1 limit rod is rotatably clamped inside the grinding bin, a No. 1 transmission rod is fixedly connected to one end of the No. 1 limit rod, a No. 1 grinding blade is fixedly connected to the other end of the No. 1 transmission rod, a No. 1 grinding blade is fixedly connected to the lower end of the inner wall of the grinding bin, the No. 1 grinding blade is arranged directly above the No. 2 grinding blade, and a stirring bin is fixedly connected to the outer side of the adjusting ring. A No. 2 limit rod is rotatably connected inside the mixing bin, one end of the No. 2 limit rod is specified to be connected to a No. 2 transmission rod, and a number of mixing blades are evenly and fixedly connected to the outer side of the other end of the No. 2 transmission rod, the bottom end of the rotating column is fixedly connected to a mounting plate, one end of the mounting plate is provided with a No. 1 discharge port, one end of the bottom surface of the mounting plate is threadedly connected to a paint collecting box, the top end of the rotating column is fixedly connected to an electric telescopic rod, one end of the electric telescopic rod is fixedly connected to a connecting rod, one end of the connecting rod is fixedly connected to the mounting bin, the interior of the mounting bin is fixedly connected to a driving motor, and the output end of the driving motor is fixedly connected to a reduction gearbox.

[0007] Preferably, a protective shell is fixedly connected to the top of the rotating column, an adjustment slot is opened on one side of the top of the protective shell, one end of the connecting rod is arranged inside the adjustment slot, and the electric telescopic rod is arranged inside the protective shell.

[0008] Preferably, a No. 1 limiting annular groove is provided at the upper end of the inner wall of the grinding chamber, and a No. 1 linear groove is provided on both sides of the inner wall of the grinding chamber, and one end of the two No. 1 linear grooves is fixedly penetrated through one side of the No. 1 limiting annular groove.

[0009] Preferably, a roller is rotatably engaged at the lower side of one end of the No. 1 limiting rod, and the roller is movably engaged inside the No. 1 limiting annular groove.

[0010] Preferably, a No. 2 limiting annular groove is provided at the lower end of the inner wall of the mixing chamber, a No. 3 limiting annular groove is provided at the upper end of the inner wall of the mixing chamber, and No. 2 linear grooves are provided on both sides of the middle part of the inner wall of the mixing chamber, one end of the two No. 2 linear grooves is fixedly penetrated through one side of the No. 2 limiting annular groove, and the other end of the two No. 2 linear grooves is fixedly penetrated through one side of the No. 3 limiting annular groove.

[0011] Preferably, a plurality of No. 3 linear slots are provided in a ring shape on one side of the inner wall of the No. 3 limiting annular groove.

[0012] Preferably, the outer side of the adjustment ring is fixedly connected with a mounting circular groove, the inner thread of the mounting circular groove is connected with an adjustment rod, one end of the adjustment rod is fixedly connected with an adjustment knob, and the other end of the adjustment rod is fixedly connected with a push plate.

[0013] Preferably, a baffle is fixedly connected to the top surface of the mounting plate, and a support frame is fixedly connected to the ground surface of the mounting plate.

[0014] Preferably, one end of the bottom surface of the mounting plate is fixedly connected with a threaded mounting ring, the upper end of the paint collecting box is threadedly connected to the inside of the threaded mounting ring, a No. 2 discharge port is opened at the center of the bottom surface of the paint collecting box, and a piston is movably clamped inside the No. 2 discharge port.

[0015] Preferably, an oil replenishing port is provided on the outer side of the mixing bin.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the solid paint is ground and stirred by the cooperation of the grinding chamber, the paint collecting box and the stirring chamber. After the grinding chamber completes the grinding of the paint, the adjusting ring is rotated to allow the stirring chamber to stir the paint powder inside the paint collecting box. When using the paint grinding equipment, there is no need to pour the paint powder inside the paint collecting box into the stirring chamber, which avoids the situation where part of the paint powder falls onto the desktop during the process of pouring the paint powder. At the same time, the paint grinding equipment can facilitate students to make their own paint and increase the interest of students in making paint.

[0017] 2. In the present invention, the paint inside the paint collection box is squeezed out from the No. 2 discharge port through the cooperation of the adjusting rod and the push plate. The student rotates the adjusting knob to make the adjusting rod drive the push plate to move downward, thereby squeezing the paint inside the paint collection box, so that the paint flows out from the inside of the No. 2 discharge port, thereby completing the discharge operation and making it convenient for students to collect the processed paint.

[0018] 3. In the present invention, the No. 1 limiting rod is adjusted by the cooperation between the No. 1 limiting annular groove and the No. 1 linear card slot, so that the teacher can remove the No. 1 transmission rod and clean and replace the No. 1 grinding blade fixedly connected to the bottom end of the No. 1 transmission rod, thereby extending the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of a coating grinding device of the present invention; Figure 2 A schematic diagram of the connection relationship between a rotating column and an adjusting ring in a coating grinding device of the present invention; Figure 3 A schematic diagram of the connection relationship between the electric telescopic rod and the installation bin in a coating grinding device of the present invention; Figure 4 A three-dimensional cross-sectional view of an installation bin in a coating grinding device of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of an adjustment ring in a coating grinding device of the present invention; Figure 6 It is a schematic diagram of the connection relationship between the grinding chamber and the first limiting rod in a coating grinding device of the present invention; Figure 7 A schematic diagram of the connection relationship between a No. 1 transmission rod and a No. 1 grinding blade in a coating grinding device of the present invention; Figure 8 It is a schematic diagram of the three-dimensional structure of a grinding chamber in a coating grinding device of the present invention; Fig. 9 It is a schematic diagram of the connection relationship between the stirring bin and the second limiting rod in a coating grinding device of the present invention; Fig.10 It is a schematic diagram of the three-dimensional structure of a stirring chamber in a coating grinding device of the present invention; Fig.11 It is a schematic diagram of the connection relationship between the second transmission rod and the second limiting rod in a coating grinding device of the present invention; Fig.12 A schematic diagram of the connection relationship between a mounting plate and a paint collecting box in a paint grinding device of the present invention; Fig.13 It is a three-dimensional structural schematic diagram of a mounting plate in a coating grinding device of the present invention; Fig.14 The present invention is a schematic diagram of the connection relationship between a paint collecting box and a piston in a paint grinding device.

[0020] In the figure: 1. Rotating column; 11. Sliding circular slot; 12. Mounting plate; 121. No. 1 discharge port; 122. Baffle; 123. Support frame; 124. Threaded mounting ring; 13. Electric telescopic rod; 14. Connecting rod; 141. Mounting bin; 142. Driving motor; 143. Speed ​​reducer; 15. Protective shell; 151. Adjustment slot; 2. Adjustment ring; 3. Grinding bin; 31. No. 1 limit rod; 311. Roller; 32. No. 1 transmission rod; 33. No. 1 grinding blade; 34 , No. 2 grinding blade; 35, No. 1 limiting annular groove; 36, No. 1 linear slot; 4, mixing chamber; 41, No. 2 limiting rod; 42, No. 2 transmission rod; 43, mixing fan blade; 44, No. 2 limiting annular groove; 45, No. 3 limiting annular groove; 46, No. 2 linear slot; 47, No. 3 linear slot; 48, oil replenishment port; 5, installation circular groove; 51, adjustment rod; 52, adjustment knob; 53, push plate; 6, paint collection box; 61, No. 2 discharge port; 62, piston. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Embodiment 1 Reference Figure 1-14As shown: a coating grinding device comprises a rotating column 1, a sliding circular card slot 11 is provided on the outer side of the rotating column 1, an adjusting ring 2 is rotatably connected inside the sliding circular card slot 11, a grinding chamber 3 is fixedly connected to the outer side of the adjusting ring 2, a No. 1 limit rod 31 is rotatably connected inside the grinding chamber 3, a No. 1 transmission rod 32 is fixedly connected to one end of the No. 1 limit rod 31, a No. 1 grinding blade 33 is fixedly connected to the other end of the No. 1 transmission rod 32, a No. 1 grinding blade 33 is fixedly connected to the lower end of the inner wall of the grinding chamber 3, a No. 2 grinding blade 34 is fixedly connected, the No. 1 grinding blade 33 is arranged just above the No. 2 grinding blade 34, a stirring chamber 4 is fixedly connected to the outer side of the adjusting ring 2, and a stirring chamber 4 is fixedly connected to the inner wall of the grinding chamber 3. The interior of the bin 4 is rotatably connected with a No. 2 limit rod 41, one end of the No. 2 limit rod 41 is connected with a No. 2 transmission rod 42, and the outer side of the other end of the No. 2 transmission rod 42 is evenly fixedly connected with a plurality of stirring blades 43. The bottom end of the rotating column 1 is fixedly connected with a mounting plate 12, one end of the mounting plate 12 is provided with a No. 1 discharge port 121, one end of the bottom surface of the mounting plate 12 is threadedly connected with a paint collecting box 6, the top of the rotating column 1 is fixedly connected with an electric telescopic rod 13, one end of the electric telescopic rod 13 is fixedly connected with a connecting rod 14, one end of the connecting rod 14 is fixedly connected with a mounting bin 141, and the interior of the mounting bin 141 is fixedly connected with a driving motor 1 42, the output end of the driving motor 142 is fixedly connected to the reduction box 143, the top of the rotating column 1 is fixedly connected to the protective shell 15, one side of the top of the protective shell 15 is provided with an adjustment slot 151, one end of the connecting rod 14 is arranged inside the adjustment slot 151, the electric telescopic rod 13 is arranged inside the protective shell 15, the lower side of one end of the No. 1 limiting rod 31 is rotatably connected with a roller 311, and the roller 311 is movably connected to the inside of the No. 1 limiting annular groove 35, and No. 2 linear grooves 46 are provided on both sides of the middle of the inner wall of the mixing chamber 4, one end of the two No. 2 linear grooves 46 is fixedly penetrated through one side of the No. 2 limiting annular groove 44, and the two No. 2 linear grooves 46 are fixedly penetrated through one side of the No. 2 limiting annular groove 44, and the two No. 2 linear grooves 46 are fixedly connected to the inner wall of the mixing chamber 4. The other end of the linear slot 46 is fixedly penetrated through one side of the No. 3 limiting annular groove 45, and a plurality of No. 3 linear slots 47 are annularly opened on one side of the inner wall of the No. 3 limiting annular groove 45. The top surface of the mounting plate 12 is fixedly connected with a baffle 122, and the ground of the mounting plate 12 is fixedly connected with a support frame 123. One end of the bottom surface of the mounting plate 12 is fixedly connected with a threaded mounting ring 124, and the upper end of the paint collecting box 6 is threadedly connected to the inside of the threaded mounting ring 124. A No. 2 discharge port 61 is opened at the center of the bottom surface of the paint collecting box 6, and a piston 62 is movably clamped inside the No. 2 discharge port 61, and an oil replenishing port 48 is opened on the outside of the mixing bin 4.

[0023] In this embodiment, the student first threadedly connects the paint collecting box 6 with a clean and tidy interior to the inside of the threaded mounting ring 124, so that the No. 1 discharge port 121 is opposite to the entrance of the paint collecting box 6, and then rotates the adjusting ring 2 to first let the discharge port of the grinding bin 3 be opposite to the entrance of the paint collecting box 6, and add solid paint to the inside of the grinding bin 3, and then drives the electric telescopic rod 13 to drive the mounting bin 141 to move downward, so that one end of the No. 1 transmission rod 32 is clamped on the output end of the reduction box 143, and then starts the driving motor 142 to drive the No. 1 grinding blade 33 fixedly connected to the other end of the No. 1 transmission rod 32, so that the No. 1 grinding blade 33 and the No. 2 grinding blade 34 fixedly connected to the lower end of the inner wall of the grinding bin 3 grind the solid pigment. After the grinding is completed, start the electric telescopic rod 13 to drive the mounting bin 141 to rise, and rotate the adjusting ring 2 so that the outlet of the stirring bin 4 is opposite to the entrance of the paint collecting box 6. , adjust the No. 2 limit rod 41 so that the No. 2 limit rod 41 moves from the inside of the No. 3 linear slot 47 to the inside of the No. 2 limit annular slot 44, and the stirring fan blade 43 extends into the inside of the paint collecting box 6, and the electric telescopic rod 13 is started again, so that one end of the No. 2 transmission rod 42 is clamped on the output end of the reduction box 143, and the drive motor 142 is started to stir the paint powder. During the stirring process, the oil flows into the inside of the stirring bin 4 through the oil replenishing port 48, so that the solid powder is turned into a fine paste paint during the stirring process, thereby completing the preliminary processing of the paint. When using the paint grinding equipment, there is no need to pour the paint powder in the paint collecting box 6 into the inside of the stirring bin 4, so as to avoid the situation where part of the powder falls on the table during the process of pouring the paint powder. At the same time, the paint grinding equipment can facilitate students to make their own paint and improve the interest of students in making paint.

[0024] Embodiment 2 Figure 5 As shown, the outer side of the adjusting ring 2 is fixedly connected with a mounting circular groove 5, the inner thread of the mounting circular groove 5 is connected with an adjusting rod 51, one end of the adjusting rod 51 is fixedly connected with an adjusting knob 52, and the other end of the adjusting rod 51 is fixedly connected with a push plate 53.

[0025] In this embodiment, after completing the preliminary processing of the paint, the student first rotates the adjustment ring 2 so that the push plate 53 is directly opposite the entrance of the paint collection box 6, and then rotates the adjustment knob 52 so that the adjustment rod 51 drives the push plate 53 to move downward. The shape of the push plate 53 is consistent with the size of the entrance of the paint collection box 6. The worker removes the piston 62 that is movably connected to the inside of the No. 2 discharge port 61. The paint is squeezed by the push plate 53 and flows out from the inside of the No. 2 discharge port 61, thereby completing the discharge operation, which is convenient for students to collect the processed paint.

[0026] Embodiment 3 according to Figure 6-8As shown, a No. 1 limiting annular groove 35 is provided at the upper end of the inner wall of the grinding chamber 3, and a No. 1 linear groove 36 is provided on both sides of the inner wall of the grinding chamber 3. One end of the two No. 1 linear grooves 36 is fixedly passed through one side of the No. 1 limiting annular groove 35, a No. 2 limiting annular groove 44 is provided at the lower end of the inner wall of the mixing chamber 4, and a No. 3 limiting annular groove 45 is provided at the upper end of the inner wall of the mixing chamber 4.

[0027] In this embodiment, when the teacher is cleaning and maintaining the paint grinding equipment, the teacher first grasps the No. 1 transmission rod 32 and rotates the No. 1 transmission rod 32 to make the No. 1 limit rod 31 rotate inside the No. 1 limit annular groove 35. When the No. 1 limit rod 31 rotates to one end of the No. 1 linear groove 36, the teacher lifts the No. 1 transmission rod 32 again, thereby driving the No. 1 limit rod 31 to slide out from the inside of the No. 1 linear groove 36, takes out the No. 1 transmission rod 32 and the No. 1 grinding blade 33, and then maintains and cleans the No. 1 grinding blade 33, thereby extending the service life of the equipment.

[0028] The use method and working principle of the present device are as follows: the student first connects the paint collecting box 6 with a clean and tidy interior through a threaded connection to the inside of the threaded mounting ring 124, so that the No. 1 discharge port 121 faces the entrance of the paint collecting box 6, and then rotates the adjusting ring 2 to first make the discharge port of the grinding bin 3 face the entrance of the paint collecting box 6, add solid paint to the inside of the grinding bin 3, and then drives the electric telescopic rod 13 to drive the mounting bin 141 to move downward, so that one end of the No. 1 transmission rod 32 is clamped at the output end of the reduction gear box 143, and then starts the driving motor 142 to drive the No. 1 grinding blade 33 fixedly connected to the other end of the No. 1 transmission rod 32, so that the No. 1 grinding blade 33 and the No. 2 grinding blade 34 fixedly connected to the lower end of the inner wall of the grinding bin 3 grind the solid pigment. After the grinding is completed, start the electric telescopic rod 13 to drive the mounting bin 141 to rise, rotate the adjusting ring 2 to make the outlet of the mixing bin 4 face the entrance of the paint collecting box 6, and adjust the No. 2 limit rod 41 to make the No. 2 The limiting rod 41 moves from the inside of the No. 3 linear slot 47 to the inside of the No. 2 limiting annular slot 44, and the stirring blade 43 extends into the inside of the paint collecting box 6. The electric telescopic rod 13 is started again, so that one end of the No. 2 transmission rod 42 is clamped on the output end of the reduction box 143, and the driving motor 142 is started to stir the paint powder. During the stirring process, the oil flows into the inside of the stirring bin 4 through the oil replenishing port 48, so that the solid powder becomes a fine paste paint during the stirring process, thereby completing the preliminary processing of the paint. The student first rotates the adjusting ring 2 so that the push plate 53 is facing the entrance of the paint collecting box 6, and then the student rotates the adjusting knob 52 so that the adjusting rod 51 drives the push plate 53 to move downward. The shape of the push plate 53 is consistent with the size of the entrance of the paint collecting box 6. The worker removes the piston 62 that is movably clamped inside the No. 2 discharge port 61. The paint is squeezed by the push plate 53 and flows out from the inside of the No. 2 discharge port 61, thereby completing the discharge operation; When the teacher is cleaning and maintaining the paint grinding equipment, the teacher first grasps the No. 1 transmission rod 32 and rotates the No. 1 transmission rod 32 to make the No. 1 limit rod 31 rotate inside the No. 1 limit annular groove 35. When the No. 1 limit rod 31 rotates to one end of the No. 1 linear groove 36, the teacher lifts the No. 1 transmission rod 32 again, thereby driving the No. 1 limit rod 31 to slide out of the No. 1 linear groove 36, takes out the No. 1 transmission rod 32 and the No. 1 grinding blade 33, and then maintains and cleans the No. 1 grinding blade 33.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A coating grinding device, comprising a rotating column (1), characterized in that: The outer side of the rotating column (1) is provided with a sliding circular slot (11), the interior of the sliding circular slot (11) is rotatably clamped with an adjusting ring (2), the outer side of the adjusting ring (2) is fixedly connected with a grinding chamber (3), the interior of the grinding chamber (3) is rotatably clamped with a No. 1 limit rod (31), one end of the No. 1 limit rod (31) is fixedly connected with a No. 1 transmission rod (32), the other end of the No. 1 transmission rod (32) is fixedly connected with a No. 1 grinding blade (33), the lower end of the inner wall of the grinding chamber (3) is fixedly connected with a No. 2 grinding blade (34), the No. 1 grinding blade (33) is arranged directly above the No. 2 grinding blade (34), the outer side of the adjusting ring (2) is fixedly connected with a stirring chamber (4), the interior of the stirring chamber (4) is rotatably clamped with a No. 2 limit rod (41), the No. 2 limit rod (41) is fixedly connected with the ... One end of the positioning rod (41) is connected to a No. 2 transmission rod (42), and the outer side of the other end of the No. 2 transmission rod (42) is evenly fixedly connected to a plurality of stirring blades (43). The bottom end of the rotating column (1) is fixedly connected to a mounting plate (12), and one end of the mounting plate (12) is provided with a No. 1 discharge port (121). One end of the bottom surface of the mounting plate (12) is threadedly connected to a paint collecting box (6). The top end of the rotating column (1) is fixedly connected to an electric telescopic rod (13), and one end of the electric telescopic rod (13) is fixedly connected to a connecting rod (14), and one end of the connecting rod (14) is fixedly connected to a mounting bin (141). The inside of the mounting bin (141) is fixedly connected to a driving motor (142), and the output end of the driving motor (142) is fixedly connected to a reduction gearbox (143).

2. A coating grinding device according to claim 1, characterized in that: The top end of the rotating column (1) is fixedly connected to a protective shell (15), one side of the top end of the protective shell (15) is provided with an adjustment slot (151), one end of the connecting rod (14) is arranged inside the adjustment slot (151), and the electric telescopic rod (13) is arranged inside the protective shell (15).

3. A coating grinding device according to claim 1, characterized in that: A first limiting annular groove (35) is provided at the upper end of the inner wall of the grinding chamber (3), and first linear clamping grooves (36) are provided on both sides of the inner wall of the grinding chamber (3), and one end of the two first linear clamping grooves (36) is fixedly penetrated through one side of the first limiting annular groove (35).

4. A coating grinding device according to claim 3, characterized in that: A roller (311) is rotatably engaged at the lower side of one end of the first limiting rod (31), and the roller (311) is movably engaged inside the first limiting annular groove (35).

5. A coating grinding device according to claim 1, characterized in that: A No. 2 limiting annular groove (44) is provided at the lower end of the inner wall of the mixing chamber (4), a No. 3 limiting annular groove (45) is provided at the upper end of the inner wall of the mixing chamber (4), and No. 2 linear clamping grooves (46) are provided on both sides of the middle of the inner wall of the mixing chamber (4), one end of the two No. 2 linear clamping grooves (46) is fixedly penetrated through one side of the No. 2 limiting annular groove (44), and the other end of the two No. 2 linear clamping grooves (46) is fixedly penetrated through one side of the No. 3 limiting annular groove (45).

6. A coating grinding device according to claim 5, characterized in that: A plurality of third linear slots (47) are provided in an annular shape on one side of the inner wall of the third limiting annular groove (45).

7. A coating grinding device according to claim 1, characterized in that: The outer side of the adjustment ring (2) is fixedly connected to a mounting circular groove (5), the inner side of the mounting circular groove (5) is threadedly connected to an adjustment rod (51), one end of the adjustment rod (51) is fixedly connected to an adjustment knob (52), and the other end of the adjustment rod (51) is fixedly connected to a push plate (53).

8. A coating grinding device according to claim 1, characterized in that: A baffle (122) is fixedly connected to the top surface of the mounting plate (12), and a support frame (123) is fixedly connected to the ground surface of the mounting plate (12).

9. A coating grinding device according to claim 1, characterized in that: A threaded mounting ring (124) is fixedly connected to one end of the bottom surface of the mounting plate (12); the upper end of the paint collecting box (6) is threadedly connected to the inside of the threaded mounting ring (124); a second discharge port (61) is provided at the center of the bottom surface of the paint collecting box (6); a piston (62) is movably clamped inside the second discharge port (61).

10. A coating grinding device according to claim 1, characterized in that: An oil replenishing port (48) is provided on the outer side of the stirring bin (4).

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