Grinding equipment for coating raw materials
By introducing a grinding inclined wall and grinding disc design into the coating grinding equipment, combined with the motor-driven inverted grinding barrel, the problem of uneven grinding of raw materials is solved, and efficient fine and uniform grinding effect is achieved.
Patent Information
- Application Number
- CN202520316458.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-26
AI Technical Summary
Existing coating grinding equipment suffers from insufficient or uneven grinding of raw materials, especially when grinding in the same chamber, resulting in blind spots or the need to transfer raw materials multiple times for re-grinding, leading to low efficiency.
A grinding device with a grinding inclined wall and a grinding disc was designed. The raw materials are refined by utilizing the gap between the grinding inclined wall and the grinding disc. The grinding barrel is driven by a motor to invert and revert to achieve multiple grinding operations. Combined with a spiral feed trough and scraper to prevent clogging, the raw materials are ensured to be uniformly refined.
It achieves thorough and uniform grinding of raw materials, simplifies the operation process, avoids exposing raw materials to air, and improves grinding efficiency.
Smart Images
Figure CN223901969U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of grinding device, in particular to a grinding equipment for coating raw materials. BACKGROUND
[0002] The development of modern coatings requires more and more wet powder as raw materials, which is convenient for pumping and dust-free operation. From the macro and practical point of view, the particle is the smallest unit of powder, and the particle size of the powder has an important influence on the optical properties, coloring power, color strength, hiding power and other properties of the coating. Therefore, the grinding equipment for controlling the particle size of the coating is one of the important equipment widely used in the production of coatings. In order to improve the fineness and adhesion of the coating, the coating needs to be ground.
[0003] The grinding of the coating is to crush the raw materials between the grinding parts, so as to refine the raw materials. The existing grinding device is basically divided into two types. One is to place the raw materials and grinding parts in the same chamber, and the grinding parts move to grind. In this way, there are blind areas in the container, or other reasons cause the raw materials to be insufficiently ground or the particles to be uneven. Most of the time, the grinding time is increased to ensure the uniformity of the material performance. The other is to pass through the grinding parts, so that all the raw materials can be ground in the movement process of the grinding parts. However, the raw materials need to be transferred to the feeding port for regrinding. SUMMARY
[0004] In order to solve the above problems, the present application discloses a grinding equipment for coating raw materials, which comprises a frame, a grinding barrel rotatably arranged in the frame, the grinding barrel is cylindrical and internally provided with a grinding inclined wall, the grinding inclined wall is a rotary body, and the profile of one side of the axis is "V" shaped. The raw materials are placed in the grinding barrel, and when the grinding cylinder is turned over, the raw materials fall through the grinding inclined wall, and the overall shape is similar to a sand hourglass timer.
[0005] One end of the grinding barrel is fixedly connected with an upper cover plate, the middle part of the upper cover plate is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a second rotating shaft, the second rotating shaft is fixedly connected with a grinding disc, and the lower part of the grinding disc abuts against the grinding inclined wall. The first motor is started, the grinding disc is driven to rotate by the second rotating shaft, and the raw materials passing through the grinding inclined wall are ground and refined between the grinding disc and the grinding inclined wall.
[0006] Preferably, the grinding disc comprises a disc body, the lower end of the disc body is a conical surface, and a plurality of spiral material conveying grooves are arranged on the conical surface. That is, in the process of grinding, the material conveying grooves accommodate the raw materials, and the raw materials in the material conveying grooves are rubbed and refined by the grinding inclined wall.
[0007] Preferably, the edge of the disc body is provided with a fillet, and a plurality of scrapers are fixedly connected to the edge of the disc body. The fillet and the scrapers facilitate the feeding and discharging of the raw materials between the grinding disc and the grinding inclined wall.
[0008] Preferably, the other end of the grinding barrel is fixedly connected with a lower cover plate, the middle part of the lower cover plate is provided with a material port, and a cover is threadedly connected to the material port. The cover is turned to open, and the raw materials are fed and discharged from the material port.
[0009] Preferably, two limiting nuts are threadedly connected to the second rotating shaft, and the grinding disc is located between the two limiting nuts. The grinding disc is clamped and fixed by the two limiting nuts.
[0010] Preferably, the side wall of the grinding barrel is fixedly connected with two first rotating shafts, and the first rotating shafts are rotatably fitted on the frame. That is, the first rotating shafts are arranged to realize the rotational fitting between the grinding barrel and the frame.
[0011] Preferably, a second motor is fixedly connected to the frame, and the output end of the second motor is fixedly connected with one of the first rotating shafts. The second motor is started, and the grinding barrel is driven to rotate by the first rotating shaft, so that the grinding barrel is upside down, and the raw materials pass through the grinding inclined wall repeatedly for multiple times of grinding.
[0012] The present application has the following advantages: the grinding inclined wall and the grinding disc are arranged, the raw materials pass through the gap between the two, and all the raw materials can be ground. When the raw materials need to be ground again, the grinding barrel is upside down by the second motor, and the raw materials can be ground again. This method is simple to operate, and the raw materials are not exposed to the air. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 is a perspective view of the present application;
[0014] Fig. 2 is a schematic view of the grinding barrel of the present application;
[0015] Fig. 3 is a sectional view of the grinding barrel of the present application;
[0016] Fig. 4 is a bottom view of the grinding disc of the present application.
[0017] LIST OF REFERENCE NUMBERS:
[0018] 1, frame; 2, grinding barrel; 3, upper cover plate; 4, first motor; 5, second motor; 6, lower cover plate; 7, cover; 8, first rotating shaft; 9, material port; 10, grinding inclined wall; 11, grinding disc; 12, limiting nut; 13, second rotating shaft;
[0019] 111, disc body; 112, feeding groove; 113, scraper; 114, guide fillet. DETAILED DESCRIPTION
[0020] The present application will be further clarified by the following examples and specific embodiments, which should not be construed as limiting the scope of the present application. It should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" as used in the following description refer to directions in the drawings and the terms "inner" and "outer" refer to directions toward or away from the geometric center of the particular member to which they are used.
[0021] As Figs. 1 to 4 shown, a kind of grinding equipment of paint raw material, including frame 1, frame 1 is the structure of cuboid by several bars and plate components, frame 1 is rotatably provided with grinding barrel 2 in the inside, i.e. frame 1 provides the support of rotation for grinding barrel 2, grinding barrel 2 is cylindrical, and is provided with grinding inclined wall 10 in the inside, grinding inclined wall 10 is a revolved solid, and the profile of the axis is "V" shape, grinding inclined wall 10 is located in the middle of grinding barrel 2, raw material is placed in the inside of grinding barrel 2, and is turned upside down by the rotation of grinding barrel 2, then raw material falls under the action of gravity, which is similar to the form of hourglass timer.
[0022] One end of grinding barrel 2 is fixedly connected with upper cover plate 3, the edge of upper cover plate 3 is provided with a plurality of bolts, and the bolt is threadedly connected with grinding barrel 2, the middle of upper cover plate 3 is fixedly connected with first motor 4, the output end of first motor 4 is fixedly connected with second rotating shaft 13, second rotating shaft 13 is fixedly connected with grinding disc 11, first motor 4 is started, and grinding disc 11 is driven to rotate by the transmission of second rotating shaft 13, and the lower part of grinding disc 11 abuts against grinding inclined wall 10, of course, there is a gap between grinding disc 11 and grinding inclined wall 10, so that raw material passes through the gap, and the rotating grinding disc 11 processes raw material in the process of passing through.
[0023] Grinding disc 11 includes disc body 111, the lower end of disc body 111 is conical surface, further, the upper end of disc body 111 is also conical surface, which can be understood as two frustums to form grinding disc 11, and a plurality of spiral feeding grooves 112 are arranged on the conical surface, feeding groove 112 is used to accommodate larger particle raw material, and the raw material in feeding groove 112 is rubbed with grinding inclined wall 10 in the process of the rotation of grinding disc 2, so as to finely process the raw material, to avoid that larger particle raw material blocks the gap between grinding disc 11 and grinding inclined wall 10.
[0024] The edge of the disc body 111 is provided with a lead round corner 114, which is beneficial to the collection of raw materials at the edge of the disc body 111, and a plurality of scrapers 113 are fixedly connected to the edge of the disc body 111, and the scrapers 113 rotate with the rotation of the grinding disc 11, and the raw materials at the edge of the grinding disc 11 are scraped to avoid blockage.
[0025] The other end of the grinding barrel 2 is fixedly connected with a lower cover plate 6, and the fixing modes of the lower cover plate 6 and the upper cover plate 3 are the same, that is, the lower cover plate 6 and the upper cover plate 3 are connected to the grinding barrel 2 by bolts, and the middle part of the lower cover plate 6 is provided with a material port 9, and the material port 9 is used for feeding and discharging materials, and the cover 7 is threadedly connected to the material port 9, and when the materials are fed or discharged, the cover 7 is rotated to be opened, so that the material port 9 is exposed.
[0026] The second rotating shaft 13 is threadedly connected with two limiting nuts 12, and the grinding disc 11 is located between the two limiting nuts 12, that is, the two limiting nuts 12 are used to fix the grinding disc 11, and further, the slipping between the second rotating shaft 13 and the grinding disc 11 is prevented, so that the flat key cooperation is adopted between the second rotating shaft 13 and the grinding disc 11.
[0027] The side wall of the grinding barrel 2 is fixedly connected with two first rotating shafts 8, and the first rotating shafts 8 are rotatably connected to the frame 1, that is, the first rotating shafts 8 are used to rotatably connect the grinding barrel 2 and the frame 1.
[0028] The second motor 5 is fixedly connected to the frame 1, and the output end of the second motor 5 is fixedly connected to one of the first rotating shafts 8, that is, when the second motor 5 works, the grinding barrel 2 is driven to rotate by the first rotating shaft 8, and the up-down reversal arrangement is realized.
[0029] During the operation of the equipment, the raw materials pass through the grinding inclined wall 10 for grinding under the action of gravity, and when all the raw materials above the grinding inclined wall 10 enter below the grinding inclined wall 10, one grinding is completed, and when the next grinding is performed, the second motor 5 is started to make the grinding barrel 2 upside down, and the raw materials are above the grinding inclined wall 10, so that the next grinding operation can be performed.
[0030] Further, the vertical stability of the grinding barrel 2 is ensured, an electric cylinder is arranged on the frame 1, and the output end of the electric cylinder is matched with the pre-set hole slot in the side wall of the grinding barrel 2, and the output end of the electric cylinder is out of the hole slot during the overturning process.
[0031] The technical means disclosed in the scheme of the present application is not limited to the technical means disclosed in the above-mentioned embodiments, and includes the technical scheme composed of any combination of the above technical features.
Claims
1. A grinding device for coating raw materials, characterized in that, Including frame (1), the inside of frame (1) is rotatably provided with grinding barrel (2), grinding barrel (2) is cylindrical, and the inside is provided with grinding inclined wall (10), grinding inclined wall (10) is a surface of revolution, and the profile of one side of the axis is "V” shape; One end of grinding barrel (2) is fixedly connected with upper cover plate (3), the middle part of upper cover plate (3) is fixedly connected with first motor (4), the output end of first motor (4) is fixedly connected with second rotating shaft (13), second rotating shaft (13) is fixedly connected with grinding disc (11), and the lower part of grinding disc (11) abuts against grinding inclined wall (10).
2. A grinding apparatus for a paint raw material according to claim 1, characterized in that: Grinding disc (11) includes disc body (111), the lower end of disc body (111) is a conical surface, and a plurality of spiral material conveying grooves (112) are arranged on the conical surface.
3. A mill for coating raw materials according to claim 2, characterized in that: The edge of disc body (111) is provided with a lead round angle (114), and a plurality of scrapers (113) are fixedly connected to the edge of disc body (111).
4. The grinding apparatus for a paint raw material according to claim 1, characterized by: The other end of grinding barrel (2) is fixedly connected with lower cover plate (6), the middle part of lower cover plate (6) is provided with material port (9), and the material port (9) is threadedly connected with cover (7).
5. The grinding apparatus for a paint raw material according to claim 1, characterized by: Two limiting nuts (12) are threadedly connected to second rotating shaft (13), and grinding disc (11) is located between the two limiting nuts (12).
6. The grinding apparatus of claim 1, wherein: The side wall of grinding barrel (2) is fixedly connected with two first rotating shafts (8), and the first rotating shafts (8) are rotatably connected with frame (1).
7. A mill for coating raw materials according to claim 6, characterized in that: Second motor (5) is fixedly connected to frame (1), and the output end of second motor (5) is fixedly connected with one of first rotating shafts (8).