Powder coating grinding machine

By designing the grinding assembly and bevel gear transmission mechanism in the powder coating grinder, the reverse rotation of the rotating shaft and the shaft sleeve is achieved, solving the problem of low grinding efficiency of the existing grinder and improving the grinding efficiency and equipment stability.

CN222658786UActive Publication Date: 2025-03-25CHANGZHOU ZILI CHEM MACHINERY
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Patent Information

Application Number
CN202420689519.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-07
Publication Date
2025-03-25
Estimated Expiration
2034-04-07

AI Technical Summary

Technical Problem

The existing powder coating grinders have low grinding efficiency, making it difficult to achieve double-sided grinding, resulting in low working efficiency.

Method used

A powder coating grinder is designed, and a grinding assembly includes a rotating shaft and a sleeve. The rotating shaft and the sleeve are rotated inversely at the same time through bevel gear transmission, thereby increasing the friction between the grinding plate and the pallet.

Benefits of technology

It improves the grinding efficiency of powder coatings, facilitates and quickly completes grinding work, and saves energy and transmission structure, improving the stability and transmission efficiency of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a powder coating grinding machine which comprises a grinding bin, a protective cover is fixedly installed at the bottom of the grinding bin, a grinding assembly is fixedly installed on the inner wall of the bottom of the grinding bin and comprises a rotating shaft and a shaft sleeve, the outer wall of the rotating shaft is rotationally connected with the inner wall of the shaft sleeve in a matched mode, and a grinding plate is fixedly installed on the outer wall of the rotating shaft. A grinding plate is fixedly mounted on the outer wall of the shaft sleeve, a supporting plate is fixedly mounted on the outer wall of the shaft sleeve, and the grinding plate and the supporting plate are matched to grind powder coatings. And the working efficiency of grinding the powder coating is improved, so that the grinding work of the powder coating is conveniently and quickly completed.
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Description

Technical Field

[0001] The utility model relates to a grinding machine, in particular to a powder coating grinding machine. Background Art

[0002] A powder coating grinder is a device used to grind, disperse and finely grind powder coatings. The working principle of a powder coating grinder is to add powder coatings into a grinding chamber, and then grind and disperse the powder coatings through the rotation of a grinding disc and a grinding brush. Existing powder coating grinders generally use a servo motor to drive the grinding disc to rotate, so that the grinding disc extrude and grind the powder coatings, thereby processing the powder coatings into powder form. However, since there is generally only one grinding disc, the powder coatings are ground under rotating conditions, and the grinding efficiency is low. It is inconvenient to control the two grinding discs to rotate in opposite directions at the same time, and to perform double-sided grinding on the top and bottom of the powder coatings, resulting in low working efficiency and not conducive to increasing the processing speed. Utility Model Content

[0003] The purpose of the utility model is to provide a powder coating grinding machine to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A powder coating grinder comprises a grinding chamber, a protective cover is fixedly installed on the bottom of the grinding chamber, a grinding assembly is fixedly installed on the inner wall of the bottom of the grinding chamber, the grinding assembly comprises a rotating shaft and a sleeve, the outer wall of the rotating shaft is rotatably connected with the inner wall of the sleeve, a grinding plate is fixedly installed on the outer wall of the rotating shaft, a support plate is fixedly installed on the outer wall of the sleeve, and the grinding plate and the support plate cooperate to grind powder coating.

[0006] In a preferred embodiment of the present utility model, the grinding assembly includes a U-shaped frame, which is fixedly installed on the top of the protective cover, the outer wall of the rotating shaft and the inner wall of the bottom of the U-shaped frame rotate through a bearing, and the outer wall of the sleeve and the inner wall of the top of the U-shaped frame are rotatably connected through a bearing.

[0007] In a preferred embodiment of the present utility model, the inner wall of the U-shaped frame is rotatably connected to the drive shaft, the outer wall of the rotating shaft is fixedly installed with bevel gear one, the outer wall of the sleeve is fixedly installed with bevel gear two, and the outer wall of the drive shaft is fixedly installed with bevel gear three.

[0008] In a preferred embodiment of the present invention, the outer wall of bevel gear three is meshingly connected with bevel gear one and bevel gear two, a servo motor is fixedly mounted on the outer wall of the U-shaped frame, and the output shaft of the servo motor is meshingly connected with the outer wall of the drive shaft through gears.

[0009] In a preferred embodiment of the present utility model, a first material discharge hole is evenly opened on the surface of the grinding plate, and the first material discharge hole is set to be circular, and a second material discharge hole is opened on the surface of the grinding plate.

[0010] In a preferred embodiment of the present utility model, the second bottom outlet of the feed hole is trumpet-shaped, a grinding block is fixedly mounted on the outer wall of the bottom of the grinding plate, and a protrusion is fixedly mounted on the outer wall of the grinding block.

[0011] In a preferred embodiment of the utility model, a scraper is fixedly installed on the outer wall of the sleeve, a discharge pipe is fixedly installed on the bottom of the grinding bin, a valve is fixedly installed on the outer wall of the discharge pipe, and a support leg is fixedly installed on the bottom of the protective cover.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

[0013] 1. By setting up the grinding assembly, the powder coating is placed between the grinding plate and the support plate, and then the grinding plate and the support plate are driven to rotate in opposite directions, the friction between the grinding plate and the support plate is increased, and the working efficiency of grinding the powder coating is improved, so that the grinding work of the powder coating can be completed quickly and conveniently;

[0014] 2. By setting up a U-shaped frame, the driving shaft can drive the bevel gear three to drive the bevel gear one and the bevel gear two to rotate synchronously when rotating, and make the bevel gear one and the bevel gear two rotate synchronously in the opposite direction, which is convenient for saving energy and transmission structure, thereby facilitating improving the efficiency of equipment grinding powder coatings and providing transmission efficiency, and improving the stability of equipment operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0016] Figure 1 It is a schematic diagram of a powder coating grinding machine from a top view;

[0017] Figure 2 It is a schematic diagram of the structure of a powder coating grinding machine when viewed from above;

[0018] Figure 3 It is a schematic diagram of the structure of a grinding component in a powder coating grinding machine;

[0019] Figure 4 It is a schematic diagram of the top view of the grinding plate in a powder coating grinding machine;

[0020] Figure 5 The present invention is a schematic diagram of the structure of a grinding plate in a powder coating grinding machine when viewed from above.

[0021] In the figure: grinding bin 100, discharge pipe 110, valve 111, protective cover 120, support leg 121, U-shaped frame 200, rotating shaft 210, bevel gear 1 211, shaft sleeve 220, bevel gear 2 221, drive shaft 230, bevel gear 3 231, servo motor 240, gear 241, scraper 250, support plate 260, grinding plate 270, discharge hole 1 271, discharge hole 272, grinding block 273, and protrusion 274. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] Example 1: Figure 1-3 , including a grinding chamber 100, a protective cover 120 fixedly installed on the bottom of the grinding chamber 100, a grinding assembly fixedly installed on the inner wall of the bottom of the grinding chamber 100, the grinding assembly includes a rotating shaft 210 and a sleeve 220, the outer wall of the rotating shaft 210 is rotatably connected with the inner wall of the sleeve 220, a grinding plate 270 is fixedly installed on the outer wall of the rotating shaft 210, a support plate 260 is fixedly installed on the outer wall of the sleeve 220, and the grinding plate 270 and the support plate 260 cooperate to grind powder coating.

[0024] The specific usage scenario of this embodiment is: by setting up a grinding bin 100 for facilitating the grinding of stored powder coatings, by setting up a grinding assembly for crushing and grinding the powder coatings, by setting up a rotating shaft 210 and a sleeve 220 for rotational connection, so that by installing a grinding plate 270 and a support plate 260 on the outer walls of the rotating shaft 210 and the sleeve 220 respectively and rotating them up and down, the powder coating between the support plate 260 and the grinding plate 270 can be squeezed and ground into powder.

[0025] Example 2: Figure 3, including a grinding chamber 100, a protective cover 120 is fixedly installed at the bottom of the grinding chamber 100, a grinding assembly is fixedly installed on the inner wall of the bottom of the grinding chamber 100, the grinding assembly includes a rotating shaft 210 and a sleeve 220, the outer wall of the rotating shaft 210 and the inner wall of the sleeve 220 are rotatably connected, a grinding plate 270 is fixedly installed on the outer wall of the rotating shaft 210, a support plate 260 is fixedly installed on the outer wall of the sleeve 220, and the grinding plate 270 and the support plate 260 cooperate to grind the powder coating, and the grinding assembly includes a U-shaped frame 200, the U-shaped frame 200 is fixedly installed on the top of the protective cover 120, and the outer wall of the rotating shaft 210 and the inner wall of the bottom of the U-shaped frame 200 are connected. The shaft 210 is fixedly mounted with a bevel gear 211 on the outer wall, the bevel gear 221 is fixedly mounted on the outer wall of the shaft sleeve 220, and the bevel gear 3 231 is fixedly mounted on the outer wall of the driving shaft 230. The outer wall of the bevel gear 3 221 is meshed and connected with the bevel gear 1 211 and the bevel gear 2 221. The servo motor 240 is fixedly mounted on the outer wall of the U-shaped frame 200, and the output shaft of the servo motor 240 is meshed and connected with the outer wall of the driving shaft 230 through the gear 241.

[0026] The specific usage scenario of this embodiment is as follows: by setting up a U-shaped frame 200 for installing and supporting the rotating shaft 210 and the sleeve 220, it is convenient to improve the stability of the rotating shaft 210 and the sleeve 220 during rotation, and at the same time, the servo motor 240 can be fixedly installed on the outer wall of the U-shaped frame 200, so as to facilitate the control of the rotation of the driving shaft 230 by driving the servo motor 240, so that the driving shaft 230 can drive the bevel gear three 231 to rotate, so that the bevel gear three 231 simultaneously drives the bevel gear one 211 and the bevel gear two 221 to rotate, so that the bevel gear one 211 and the bevel gear two 221 rotate in opposite directions, so that the rotating shaft 210 and the sleeve 220 rotate at the same time, and the rotating shaft 210 and the sleeve 220 turn in opposite directions, thereby increasing the friction force during the grinding of the powder coating and improving the grinding efficiency.

[0027] Example 3: Figure 3-5 A feed hole 271 is evenly opened on the surface of the grinding plate 270, and the feed hole 271 is set to be circular. A feed hole 272 is opened on the surface of the grinding plate 270, and the bottom outlet of the feed hole 272 is trumpet-shaped. A grinding block 273 is fixedly installed on the outer wall of the bottom of the grinding plate 270, and a protrusion 274 is fixedly installed on the outer wall of the grinding block 273.

[0028] The specific usage scenario of this embodiment is: by setting the feed hole 1 271 and the feed hole 272 for use together, it is convenient for the powder coating to slowly fall from the feed hole 1 271 and the feed hole 272 between the grinding plate 270 and the support plate 260 when the grinding plate 270 rotates, so that the support plate 260 and the grinding plate 270 can crush the powder coating surface through the extrusion of the grinding plate 270 and the support plate 260 when they rotate synchronously, thereby improving the crushing efficiency of the powder coating, and by setting the grinding block 273 and the protrusion 274 for use together, it is convenient to accelerate the grinding speed, so that the powder coating is easier to be ground.

[0029] Example 4: Figure 3 , including a grinding bin 100, a protective cover 120 fixedly installed at the bottom of the grinding bin 100, a grinding assembly fixedly installed on the inner wall of the bottom of the grinding bin 100, the grinding assembly including a rotating shaft 210 and a sleeve 220, the outer wall of the rotating shaft 210 is rotatably connected with the inner wall of the sleeve 220, a grinding plate 270 is fixedly installed on the outer wall of the rotating shaft 210, a support plate 260 is fixedly installed on the outer wall of the sleeve 220, the grinding plate 270 and the support plate 260 cooperate to grind powder coating, a scraper 250 is fixedly installed on the outer wall of the sleeve 220, a discharge pipe 110 is fixedly installed on the bottom of the grinding bin 100, a valve 111 is fixedly installed on the outer wall of the discharge pipe 110, and a support leg 121 is fixedly installed on the bottom of the protective cover 120.

[0030] The specific usage scenario of this embodiment is as follows: by setting a scraper 250, after the powder coating is ground and crushed and falls to the bottom of the grinding bin 100, the servo motor 240 can drive the rotating shaft 210 and the sleeve 220 to rotate, and at the same time, the powder coating on the bottom inner wall of the grinding bin 100 can be scraped, so that when the ground powder coating at the bottom of the grinding bin 100 is unloaded, the scraper 250 can push the powder coating to the discharge pipe 110, so that the powder coating can be conveniently discharged through the discharge pipe 110, thereby improving the discharging efficiency and preventing the powder coating from adhering to the bottom inner wall of the grinding bin 100. The valve 111 is provided to control the on-off of the discharge pipe 110. The protective cover 120 is provided to support the bottom of the U-shaped frame 200. The outer wall of the bottom end of the rotating shaft 210 is rotatably connected to the inner wall of the protective cover 120 through a bearing. The support legs 121 are provided to support the bottom of the protective cover 120.

[0031] The working principle of the utility model is as follows: when using the utility model, a person skilled in the art puts the powder coating to be ground into the top of the grinding plate 270, and drives the driving shaft 230 to rotate by turning on the servo motor 240, so that the bevel gear 3 231 drives the bevel gear 1 211 and the bevel gear 2 221 to rotate synchronously, so that the rotating shaft 210 and the shaft sleeve 220 rotate in opposite directions at the same time. Under the rotation of the grinding plate 270, the powder coating on the top of the grinding plate 270 passes through the discharge hole 1 271 and the discharge hole 2 72 cooperates to enter between the grinding plate 270 and the support plate 260, and the powder coating between the grinding plate 270 and the support plate 260 can be ground into a powder state under the rotation and friction of the grinding plate 270 and the support plate 260, so as to achieve the effect of grinding and refining, and then the ground powder coating falls into the bottom of the grinding bin 100, and then the scraper 250 is driven to rotate through the shaft sleeve 220 to scrape the ground powder coating to the discharge pipe 110, and the valve 111 is opened to discharge the powder coating from the discharge pipe 110.

[0032] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A powder coating grinding machine, comprising a grinding chamber (100), a protective cover (120) fixedly mounted on the bottom of the grinding chamber (100), and a grinding assembly fixedly mounted on the inner wall of the bottom of the grinding chamber (100), characterized in that: The grinding assembly comprises a rotating shaft (210) and a shaft sleeve (220); the outer wall of the rotating shaft (210) and the inner wall of the shaft sleeve (220) are rotatably connected in cooperation; a grinding plate (270) is fixedly mounted on the outer wall of the rotating shaft (210); a support plate (260) is fixedly mounted on the outer wall of the shaft sleeve (220); and the grinding plate (270) and the support plate (260) cooperate to grind powder coating.

2. A powder coating grinding machine according to claim 1, characterized in that: The grinding assembly comprises a U-shaped frame (200), wherein the U-shaped frame (200) is fixedly mounted on the top of the protective cover (120), an outer wall of the rotating shaft (210) and an inner wall of the bottom of the U-shaped frame (200) are rotatable via a bearing, and an outer wall of the shaft sleeve (220) and an inner wall of the top of the U-shaped frame (200) are rotatably connected via a bearing.

3. A powder coating grinding machine according to claim 2, characterized in that: The inner wall of the U-shaped frame (200) is rotatably connected to the drive shaft (230), the outer wall of the rotating shaft (210) is fixedly mounted with a bevel gear 1 (211), the outer wall of the shaft sleeve (220) is fixedly mounted with a bevel gear 2 (221), and the outer wall of the drive shaft (230) is fixedly mounted with a bevel gear 3 (231).

4. A powder coating grinding machine according to claim 3, characterized in that: The outer wall of the bevel gear three (231) is meshed and transmission-connected with the bevel gear one (211) and the bevel gear two (221); the servo motor (240) is fixedly mounted on the outer wall of the U-shaped frame (200); and the output shaft of the servo motor (240) is meshed and transmission-connected with the outer wall of the drive shaft (230) via the gear (241).

5. A powder coating grinding machine according to claim 1, characterized in that: The surface of the grinding plate (270) is evenly provided with material discharge holes (271), wherein the material discharge holes (271) are arranged in a circular shape, and the surface of the grinding plate (270) is provided with material discharge holes (272).

6. A powder coating grinding machine according to claim 5, characterized in that: The bottom outlet of the second material discharge hole (272) is horn-shaped, a grinding block (273) is fixedly mounted on the outer wall of the bottom of the grinding plate (270), and a protrusion (274) is fixedly mounted on the outer wall of the grinding block (273).

7. A powder coating grinding machine according to claim 1, characterized in that: A scraper (250) is fixedly mounted on the outer wall of the shaft sleeve (220), a discharge pipe (110) is fixedly mounted on the bottom of the grinding bin (100), a valve (111) is fixedly mounted on the outer wall of the discharge pipe (110), and a support leg (121) is fixedly mounted on the bottom of the protective cover (120).