A moving knife for a flour mill
Patent Information
- Application Number
- CN202521353234.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-27
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-06-27
AI Technical Summary
[0005]为了克服现有技术方案的不足,本实用新型提供一种用于磨粉机的动刀,能够有效解决拆卸复杂,无法更换不同的种类刀的技术问题
[0013]与现有技术相比,本实用新型的有益效果是:研磨刀具通过连接螺栓可拆卸地安装于研磨架的定位槽中,使得研磨刀具的更换变得异常简便,无需对整个研磨架进行拆解,大大提高了设备的维护效率和操作便捷性。同时,这种可拆卸设计还便于对研磨刀具进行单独的清洗和保养,延长了设备的使用寿命,研磨刀片通过固定螺栓与研磨刀具组合,实现了研磨刀片的可拆卸更换。在实际使用过程中,用户可以轻松更换磨损的研磨刀片,而无需更换整个研磨刀具,从而大大节约了使用成本。此外,这种设计还便于用户根据不同的研磨需求,选择不同材质或规格的研磨刀片,提高了设备的灵活性和适用性。
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Figure CN224778162U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of grinding mills, and in particular to a moving blade for grinding mills. Background Technology
[0002] A grinding mill is a widely used piece of equipment in industrial production, whose main function is to grind materials to the required fineness. A grinding mill typically consists of a drive unit, a grinding unit, and a collection unit, among which the grinding unit is the core component responsible for grinding the materials. With continuous technological advancements, the performance and efficiency of grinding mills are constantly improving, leading to their widespread application in various fields such as chemical engineering, building materials, and food processing.
[0003] The blades of a grinding mill are a crucial component of the grinding system, and their quality and performance directly affect the grinding effect and efficiency of the mill. Traditional grinding mill blades typically employ an integral design, meaning the blade and grinding frame are a single, non-removable structure. This design limits blade replacement and maintenance to some extent; when the blades wear out or are damaged, the entire grinding frame needs to be replaced, which is not only cumbersome but also costly. To improve the efficiency of grinding mills and reduce maintenance costs, detachable blade designs have gradually emerged in the market.
[0004] Existing detachable moving blades still have some design flaws. The disassembly process of some blades is still quite complex, requiring a lot of time and effort, which is not conducive to the rapid maintenance and upkeep of the equipment. In addition, the flexibility and applicability of existing moving blades need to be improved, and they cannot meet the grinding needs of materials of different materials or specifications. Utility Model Content
[0005] In order to overcome the shortcomings of existing technical solutions, this utility model provides a moving blade for a grinding mill, which can effectively solve the technical problems of complex disassembly and inability to replace different types of blades.
[0006] The technical solution adopted by this utility model to solve its technical problem is:
[0007] A moving blade for a grinding mill includes a grinding frame, a main shaft sleeve, and two or more grinding blades. The axis of the main shaft sleeve coincides with the axis of the grinding frame. The inner wall of the grinding frame is connected to the surface of the main shaft sleeve. Rotation of the main shaft sleeve can drive the grinding frame to rotate. Two or more grinding blades are evenly distributed on the grinding frame around the main shaft sleeve. The grinding frame is provided with several positioning slots, and the grinding blades can be inserted into the positioning slots. The side wall of the positioning slot is provided with positioning holes, and the side wall of the grinding blade is provided with connecting screw holes. The grinding blades are detachably installed in the positioning slots by connecting bolts. The grinding blades are provided with two or more grinding blades and blade mounting slots. The two or more grinding blades are respectively installed in two or more blade mounting slots. The side wall of the blade mounting slot is provided with a through hole extending to the surface of the grinding blade. The inner side of the grinding blade is provided with a fixing screw hole corresponding to the through hole. The grinding blades are combined with the grinding blades by fixing bolts.
[0008] Furthermore, three or more support arms are provided between the grinding frame and the main shaft sleeve, and the middle of the support arms is provided with a hollow part.
[0009] Furthermore, the surface of the grinding blade is provided with a "V"-shaped serrated pattern.
[0010] Furthermore, the main shaft sleeve is provided with a keyway for transmission with the mill shaft.
[0011] Furthermore, the side wall of the main shaft sleeve is provided with a pin hole for fixed connection with the mill shaft.
[0012] Furthermore, the end of the grinding frame away from the main shaft sleeve is provided with a detachable end cap, and additional grinding tools can be installed on the grinding frame after the end cap is removed.
[0013] Compared with existing technologies, the advantages of this invention are as follows: the grinding blades are detachably installed in the positioning slots of the grinding frame via connecting bolts, making blade replacement exceptionally convenient without disassembling the entire grinding frame, greatly improving equipment maintenance efficiency and ease of operation. Simultaneously, this detachable design facilitates individual cleaning and maintenance of the grinding blades, extending the equipment's service life. The grinding blades are detachably replaceable via fixing bolts. In practical use, users can easily replace worn grinding blades without replacing the entire grinding frame, significantly saving operating costs. Furthermore, this design allows users to select grinding blades of different materials or specifications according to different grinding needs, improving the equipment's flexibility and applicability. Attached Figure Description
[0014] Figure 1 This is a front perspective view of the present invention;
[0015] Figure 2This is a rear-view perspective view of the present invention;
[0016] Figure 3 In this utility model
[0017] The numbers in the diagram are: 1-grinding frame, 101-positioning groove, 2-spindle sleeve, 3-grinding tool, 301-blade mounting groove, 4-grinding blade, 5-connecting bolt, 6-fixing bolt, 7-support arm, 701-hollowed-out part, 8-end cap. Detailed Implementation
[0018] 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.
[0019] The following is combined Figures 1-3 A detailed description of a moving blade for a grinding mill according to this utility model is provided below:
[0020] A moving blade for a grinding mill includes a grinding frame 1, a main shaft sleeve 2, and twelve grinding blades 3. The axis of the main shaft sleeve 2 coincides with the axis of the grinding frame 1. The inner wall of the grinding frame 1 is connected to the surface of the main shaft sleeve 2. Rotation of the main shaft sleeve 2 can drive the grinding frame 1 to rotate. The twelve grinding blades are evenly distributed around the main shaft sleeve 2 on the grinding frame 1. The grinding frame 1 is provided with twelve positioning slots 101. The grinding blades 3 can be inserted into the positioning slots 101. The side wall of the positioning slot 101 is provided with positioning holes. The side wall of the grinding blades 3 is provided with connecting screw holes. The grinding blades 3 are detachably installed in the positioning slots 101 by connecting bolts 5. The grinding blades 3 are provided with two grinding blades 4 and blade mounting slots 301. The two grinding blades 4 are respectively installed in the two blade mounting slots 301. The side wall of the blade mounting slots 301 is provided with through holes that extend to the surface of the grinding blades 3. The inner side of the grinding blades 4 is provided with fixing screw holes corresponding to the through holes. The grinding blades 4 are combined with the grinding blades 3 by fixing bolts 6.
[0021] The grinding cutter 3 is detachably mounted in the positioning slot 101 of the grinding frame 1 via connecting bolts 5. This design makes replacing the grinding cutter 3 exceptionally easy, eliminating the need to disassemble the entire grinding frame 1, greatly improving equipment maintenance efficiency and operational convenience. Simultaneously, this detachable design facilitates individual cleaning and maintenance of the grinding cutter 3, extending the equipment's service life. The grinding blade 4 is attached to the grinding cutter 3 via fixing bolts 6, enabling the detachable replacement of the grinding blade 4. In actual use, users can easily replace worn grinding blades 4 without replacing the entire grinding frame 3, significantly saving operating costs. Furthermore, this design allows users to select grinding blades 4 of different materials or specifications according to different grinding needs, improving the equipment's flexibility and applicability.
[0022] Three or more support arms 7 are provided between the grinding frame 1 and the main spindle sleeve 2. The middle part of the support arm 7 is provided with a hollow part 701, which enhances the connection stability between the grinding frame 1 and the main spindle sleeve 2, making the grinding process more stable. At the same time, the hollow part 701 in the middle of the support arm 7 can reduce the overall weight, reduce energy consumption, help dissipate heat, and extend the service life of the equipment.
[0023] The surface of the grinding blade 4 is provided with a "V"-shaped serrated pattern. The "V"-shaped serrated pattern design improves the grinding efficiency and grinding quality of the grinding blade 4, enabling it to more effectively crush and grind materials. In addition, this pattern can reduce friction during the grinding process, reduce energy consumption, and help prevent material accumulation on the grinding blade 4.
[0024] The main shaft sleeve 2 is provided with a keyway for transmission with the mill shaft. The design also facilitates quick connection and disassembly between the main shaft sleeve 2 and the mill shaft, improving the maintenance efficiency of the equipment. The side wall of the main shaft sleeve 2 is provided with a pin hole for fixed connection with the mill shaft, which enhances the connection stability between the main shaft sleeve 2 and the mill shaft and avoids loosening or falling off during use.
[0025] The grinding frame 1 is provided with a detachable end cover 8 at the end away from the main shaft sleeve 2. After the end cover 8 is removed, additional grinding tools 3 can be installed on the grinding frame 1. Different grinding tools 3 can be flexibly installed according to actual needs to meet different grinding requirements.
[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A moving blade for a grinding mill, comprising a grinding frame, a main shaft sleeve, and two or more grinding blades, wherein the axis of the main shaft sleeve coincides with the axis of the grinding frame, the inner wall of the grinding frame is connected to the surface of the main shaft sleeve for transmission, rotation of the main shaft sleeve can drive rotation of the grinding frame, and the two or more grinding blades are evenly distributed on the grinding frame around the main shaft sleeve, characterized in that: The grinding frame is provided with several positioning slots, into which grinding tools can be inserted. The side wall of the positioning slot is provided with positioning holes, and the side wall of the grinding tool is provided with connecting screw holes. The grinding tool is detachably installed in the positioning slot by connecting bolts. The grinding tool is provided with two or more grinding blades and blade mounting slots. The two or more grinding blades are respectively installed in two or more blade mounting slots. The side wall of the blade mounting slot is provided with through holes that extend to the surface of the grinding tool. The inner side of the grinding blade is provided with fixing screw holes corresponding to the through holes. The grinding blades are combined with the grinding tool by fixing bolts.
2. The moving blade for a grinding mill according to claim 1, characterized in that: The grinding frame is provided with three or more support arms between it and the main shaft sleeve, and the middle of the support arms is provided with a hollow part.
3. The moving blade for a grinding mill according to claim 1, characterized in that: The surface of the grinding blade is provided with a "V"-shaped serrated pattern.
4. A moving blade for a grinding mill according to any one of claims 1-3, characterized in that: The main shaft sleeve is provided with a keyway for transmission with the mill shaft.
5. A moving blade for a grinding mill according to any one of claims 1-3, characterized in that: The side wall of the main shaft sleeve is provided with a pin hole for fixed connection with the mill shaft.
6. A moving blade for a grinding mill according to any one of claims 1-3, characterized in that: The grinding frame is provided with a detachable end cap at the end away from the main shaft sleeve. After removing the end cap, additional grinding tools can be installed on the grinding frame.