Powder coating mill

Abstract

The utility model relates to powder coating grinding machine technical field discloses a kind of powder coating grinding machine, including grinder, the surface of grinder is equipped with feed pipe, the surface of grinder is equipped with top plate, the surface of top plate is equipped with discharge pipe, the surface of top plate is equipped with analyzer, the output end of analyzer is equipped with screen, the screen is located in grinder, the surface of top plate is equipped with protective structure, the protective structure includes fixed plate, the surface of fixed plate and top plate is fixedly connected, the surface of fixed plate is screwed and is penetrated by threaded rod, the one end of threaded rod close to screen is rotatably connected with rectangular box, the surface of rectangular box is slidably penetrated by bolt, this powder coating grinding machine, by setting protective structure, reach without stopping machine to carry out complex disassembly to equipment, it can be realized to the cleaning of screen, avoid screen blockage to cause screening efficiency to drop, to improve the grinding productivity and work efficiency of equipment whole.

Description

Technical Field

[0001] This utility model relates to the technical field of powder coating grinding mills, specifically to a powder coating grinding mill. Background Technology

[0002] Powder coating grinding mills are specialized equipment used to process powder coating raw materials into powders with specific particle sizes and uniformity. They typically use high-speed rotating blades or grinding components to shear, impact, and rub the material, refining it to a particle size range that meets the requirements of powder coating production. They are also equipped with sieving or grading systems to ensure the consistency of powder particle size. They play a key role in crushing and refining in the powder coating preparation process, ensuring the leveling, adhesion, and other properties of the powder coating during subsequent application.

[0003] When grinding materials using a pulverizer, the pulverized powder is blown towards an analyzer. The analyzer drives a rotating screen to sieve the powder. Qualified powder passes through the screen and enters the discharge pipe, while unqualified powder falls into the grinding area for further grinding. However, during the sieving process, fine powder particles may adhere to or accumulate in the screen pores, easily causing screen blockage. When cleaning the screen, since it is usually installed inside the analyzer in a relatively enclosed structure, the disassembly process requires disassembling the external components first. The operating space is small and the steps are cumbersome, resulting in a reduction in the effective sieving area of ​​the screen and a significant decrease in sieving efficiency. Qualified powder cannot pass through the screen smoothly, thus reducing the overall grinding capacity of the equipment. Therefore, we propose a powder coating pulverizer. Utility Model Content

[0004] The purpose of this invention is to provide a powder coating grinding mill to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a powder coating grinding mill, comprising a grinding mill, a feed pipe mounted on the surface of the grinding mill, a top plate mounted on the surface of the grinding mill, a discharge pipe mounted on the surface of the top plate, an analyzer mounted on the surface of the top plate, a screen mounted at the output end of the analyzer, the screen being located inside the grinding mill, a protective structure provided on the surface of the top plate, the protective structure comprising a fixing plate, the fixing plate being fixedly connected to the surface of the top plate, a threaded rod threaded through the surface of the fixing plate, a rectangular box rotatably connected to the end of the threaded rod near the screen, a pin slidingly passing through the surface of the rectangular box, a limiting block inserted into the inner wall of the rectangular box, a circular hole at the beginning of the surface of the limiting block, the size of the pin matching the size of the circular hole, a cleaning plate fixedly connected to the surface of the limiting block, and several brush bristles fixedly connected to the side of the cleaning plate near the screen.

[0006] The effect achieved by the above components is that, by setting up a protective structure, the screen can be cleaned without stopping the machine and performing complex disassembly, thus avoiding screen blockage and reduced screening efficiency, thereby improving the overall grinding capacity and working efficiency of the equipment.

[0007] Preferably, an extension plate is fixedly connected to the surface of the rectangular box, and a guide rod slides through the surface of the fixed plate, the guide rod being fixedly connected to the surface of the extension plate.

[0008] The effect achieved by the above components is that when the rectangular box moves, the extension plate will drive the guide rod to slide within the fixed plate. The guide rod restricts the movement path of the rectangular box, thereby ensuring that the cleaning plate moves on the prescribed trajectory and preventing the cleaning plate from rotating during movement.

[0009] Preferably, a spring is fitted onto the arc surface of the pin, and the two ends of the spring are fixedly connected to the pin and the rectangular box, respectively.

[0010] The effect achieved by the above components is that the spring improves the stability of the pin inserted into the round hole, thereby preventing the pin from coming out of the round hole due to shaking.

[0011] Preferably, a turntable is fixedly connected to the end of the threaded rod away from the rectangular box, and the vertical cross-section of the turntable is in the shape of a cross.

[0012] The effect achieved by the above components is that the rotation of the turntable will drive the threaded rod to rotate, and the turntable facilitates the rotation of the threaded rod.

[0013] Preferably, an extension arm is fixedly connected to the surface of the cleaning plate, and a limiting plate is fixedly connected to the end of the extension arm away from the cleaning plate, the limiting plate being attached to the surface of the screen.

[0014] The effect achieved by the above components is that the limiting plate adheres to the surface of the screen, restricting the range of motion of the cleaning plate and ensuring that the cleaning plate moves along the prescribed trajectory.

[0015] Preferably, the limiting plate is arc-shaped, and a number of ball bearings are rotatably connected to the side of the limiting plate near the screen.

[0016] The effect achieved by the above components is that the ball bearings reduce the friction between the screen and the limiting plate when the screen rotates, making the cleaning process smoother.

[0017] Preferably, one side of the limiting block has an arc-shaped surface.

[0018] The effect achieved by the above components is to insert the limiting block on the cleaning plate into the rectangular box. The curved surface design helps to guide the insertion of the limiting block into the rectangular box.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] This utility model, by setting a protective structure, allows the brush bristles to sweep across the surface of the screen when it rotates, thereby cleaning the powder on the screen surface. The screen can be cleaned without stopping the machine and performing complicated disassembly, avoiding screen blockage that would reduce screening efficiency, thus improving the overall grinding capacity and working efficiency of the equipment. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the top plate and the screen of this utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the screen and protective structure of this utility model;

[0024] Figure 4 This is a structural schematic diagram of the fixing plate of this utility model;

[0025] Figure 5 This is a schematic diagram of the structure of the cleaning plate of this utility model;

[0026] Figure 6 This is a schematic diagram of the structure of the limiting plate of this utility model.

[0027] In the diagram: 1. Grinding machine; 2. Feed pipe; 3. Top plate; 4. Discharge pipe; 5. Analyzer; 6. Screen; 7. Protective structure; 701. Fixing plate; 702. Threaded rod; 703. Rectangular box; 704. Pin; 705. Limiting block; 706. Cleaning plate; 708. Brush bristles; 709. Extension plate; 710. Guide rod; 711. Spring; 712. Turntable; 713. Extension arm; 714. Limiting plate; 715. Ball bearing; 716. Curved surface. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figure 1-2This utility model provides a technical solution: a powder coating grinding mill, including a grinding mill 1, a feed pipe 2 installed on the surface of the grinding mill 1, a top plate 3 installed on the surface of the grinding mill 1, a discharge pipe 4 installed on the surface of the top plate 3, an analyzer 5 installed on the surface of the top plate 3, a screen 6 installed at the output end of the analyzer 5, the screen 6 being located inside the grinding mill 1, a protective structure 7 provided on the surface of the top plate 3, the protective structure 7 including a fixing plate 701, the fixing plate 701 being fixedly connected to the surface of the top plate 3, a threaded rod 702 threaded through the surface of the fixing plate 701, and a rectangular box rotatably connected to one end of the threaded rod 702 near the screen 6. 703, a pin 704 slides through the surface of the rectangular box 703, a limiting block 705 is inserted into the inner wall of the rectangular box 703, and a round hole 706 is formed on the surface of the limiting block 705. The size of the pin 704 matches the size of the round hole 706. A cleaning plate 707 is fixedly connected to the surface of the limiting block 705. Several bristles 708 are fixedly connected to the side of the cleaning plate 707 near the screen 6. By setting up the protective structure 7, the screen 6 can be cleaned without stopping the machine and performing complicated disassembly, avoiding screen 6 blockage and resulting in a decrease in screening efficiency, thereby improving the overall grinding capacity and working efficiency of the equipment.

[0030] Reference Figure 3-6As shown in this embodiment: an extension plate 709 is fixedly connected to the surface of the rectangular box 703, and a guide rod 710 slides through the surface of the fixed plate 701. The guide rod 710 is fixedly connected to the surface of the extension plate 709. When the rectangular box 703 moves, the extension plate 709 will drive the guide rod 710 to slide within the fixed plate 701. The guide rod 710 restricts the movement path of the rectangular box 703, thereby ensuring that the cleaning plate 707 moves on a predetermined trajectory and preventing the cleaning plate 707 from rotating during movement. A spring 711 is fitted onto the arc surface of the pin 704. The two ends of the spring 711 are fixedly connected to the pin 704 and the rectangular box 703, respectively. The spring 711 improves the stability of the pin 704 inserted into the round hole 706, thereby preventing the pin 704 from coming out of the round hole 706 due to shaking. A turntable 712 is fixedly connected to the end of the threaded rod 702 away from the rectangular box 703. The vertical cross-section of the turntable 712 is cross-shaped. Rotation of the turntable 712 will drive the threaded rod 702 to rotate, thus facilitating the rotation of the threaded rod 702. An extension arm 713 is fixedly connected to the surface of the cleaning plate 707. A limit plate 714 is fixedly connected to the end of the extension arm 713 away from the cleaning plate 707. The limit plate 714 fits against the surface of the screen 6, limiting the range of motion of the cleaning plate 707 and ensuring that the cleaning plate 707 moves along a predetermined trajectory. The limit plate 714 is arc-shaped, and several ball bearings 715 are rotatably connected to the side of the limit plate 714 closest to the screen 6. The ball bearings 715 reduce the friction between the screen 6 and the limit plate 714 when the screen 6 rotates, making the cleaning process smoother. One side of the limiting block 705 is an arc-shaped surface 716. The design of the arc-shaped surface 716 helps to guide the insertion of the limiting block 705 into the rectangular box 703 when the limiting block 705 on the cleaning plate 707 is inserted.

[0031] Working principle: First, remove the top plate 3. Then, pull the pin 704. The pin 704 will move within the rectangular box 703. The movement of the pin 704 will stretch the spring 711. When the pin 704 is pulled to the appropriate position, hold the cleaning plate 707 and insert the limiting block 705 on the cleaning plate 707 into the rectangular box 703. The design of the curved surface 716 helps guide the insertion of the limiting block 705 into the rectangular box 703. After the limiting block 705 is inserted into the rectangular box 703, release the pin 704. The pin 704 will retract with the help of the spring 711 and insert into the round hole 706. The pin 704 achieves the goal of limiting the position of the rectangular block, thereby cleaning the cleaning plate 707. Position 7 is fixed, and spring 711 improves the stability of pin 704 inserted into round hole 706, thus preventing pin 704 from falling out of round hole 706 due to shaking. Then, turntable 712 is rotated, which drives threaded rod 702 to rotate. Threaded rod 702 moves within fixed plate 701 via the thread, which in turn drives rectangular box 703 to move. When rectangular box 703 moves, extension plate 709 drives guide rod 710 to slide within fixed plate 701. Guide rod 710 restricts the movement path of rectangular box 703, thereby ensuring that cleaning plate 707 moves on a predetermined trajectory and preventing cleaning plate 707 from falling out of round hole 706. 7. During movement, the rectangular box 703 rotates, and the movement of the rectangular box 703, aided by the limiting block 705, causes the cleaning plate 707 to move closer to the screen 6. Once the cleaning plate 707 reaches the appropriate position, it causes the bristles 708 to adhere to the surface of the screen 6. Simultaneously, the cleaning plate 707, aided by the extension arm 713, causes the limiting plate 714 to move. The limiting plate 714 then causes the ball bearings 715 to adhere to the surface of the screen 6. The cooperation of the limiting plate 714 and the ball bearings 715 restricts the range of motion of the cleaning plate 707, ensuring that it moves along a predetermined trajectory. The ball bearings 715 reduce the friction during the movement of the cleaning plate 707, making... The cleaning process is smoother. Then, the top plate 3 is reinstalled. At this time, the material enters the grinder 1 through the feed pipe 2. The grinder 1 crushes the material. The crushed powder is blown to the analyzer 5. The analyzer 5 drives the screen 6 to rotate and screen the powder. The qualified powder passes through the screen 6 and enters the discharge pipe 4. The unqualified powder falls into the grinding area to continue grinding. When the screen 6 rotates, the brush bristles 708 will brush its surface, thereby cleaning the powder on the surface of the screen 6. The screen 6 can be cleaned without stopping the machine and performing complicated disassembly of the equipment. This avoids the screen 6 from clogging and reducing the screening efficiency, thereby improving the overall grinding capacity and working efficiency of the equipment.

[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A powder coating grinding mill, comprising a grinding mill (1), wherein a feed pipe (2) is mounted on the surface of the grinding mill (1), a top plate (3) is mounted on the surface of the grinding mill (1), a discharge pipe (4) is mounted on the surface of the top plate (3), an analyzer (5) is mounted on the surface of the top plate (3), a screen (6) is mounted on the output end of the analyzer (5), the screen (6) is located inside the grinding mill (1), and a protective structure (7) is provided on the surface of the top plate (3), characterized in that: The protective structure (7) includes a fixing plate (701), which is fixedly connected to the surface of the top plate (3). A threaded rod (702) is threaded through the surface of the fixing plate (701). A rectangular box (703) is rotatably connected to one end of the threaded rod (702) near the screen (6). A pin (704) slides through the surface of the rectangular box (703). A limiting block (705) is inserted into the inner wall of the rectangular box (703). A round hole (706) is formed on the surface of the limiting block (705). The size of the pin (704) matches the size of the round hole (706). A cleaning plate (707) is fixedly connected to the surface of the limiting block (705). Several bristles (708) are fixedly connected to the side of the cleaning plate (707) near the screen (6).

2. The powder coating grinding mill according to claim 1, characterized in that: An extension plate (709) is fixedly connected to the surface of the rectangular box (703), and a guide rod (710) slides through the surface of the fixed plate (701). The guide rod (710) is fixedly connected to the surface of the extension plate (709).

3. The powder coating grinding mill according to claim 1, characterized in that: The arc surface of the pin (704) is fitted with a spring (711), and the two ends of the spring (711) are fixedly connected to the pin (704) and the rectangular box (703) respectively.

4. A powder coating grinding mill according to claim 1, characterized in that: The threaded rod (702) is fixedly connected to a turntable (712) at the end away from the rectangular box (703), and the vertical cross section of the turntable (712) is in the shape of a cross.

5. A powder coating grinding mill according to claim 1, characterized in that: An extension arm (713) is fixedly connected to the surface of the cleaning plate (707). A limiting plate (714) is fixedly connected to one end of the extension arm (713) away from the cleaning plate (707). The limiting plate (714) is attached to the surface of the screen (6).

6. A powder coating grinding mill according to claim 5, characterized in that: The limiting plate (714) is arc-shaped, and a number of ball bearings (715) are rotatably connected to the side of the limiting plate (714) near the screen (6).

7. A powder coating grinding mill according to claim 1, characterized in that: One side of the limiting block (705) is an arc-shaped surface (716).

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