Discharging structure of vertical flour mill
By designing anti-blocking components in the vertical grinding mill and using a motor to drive the grinding column and the grinding blade in the guide tube, the problem of raw material blockage is solved, the smooth discharge of raw materials is achieved, and the working efficiency of the grinding mill is improved.
Patent Information
- Application Number
- CN202421642610.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-07-11
AI Technical Summary
The discharge structure of the existing vertical grinding mill is prone to raw material blockage, which affects the discharge performance.
Anti-clogging components are designed, including motor-driven crushing columns and crushing knives in the material guide tube. The staggered rotation of the crushing knives prevents raw material blockage and ensures smooth material discharge.
It effectively prevents the raw materials from gathering in the guide tube, ensures the smooth discharge of raw materials and improves the working efficiency of the grinding mill.
Smart Images

Figure CN223351823U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of vertical grinding mills, and particularly relates to a material discharge structure of a vertical grinding mill. Background Art
[0002] In the field of mineral processing and refractory material preparation, vertical grinding mills are widely used in the ultrafine grinding of minerals such as quartzite, dolomite, and silica due to their comprehensive performance of integrating crushing, drying, grinding, grading, and conveying. These mineral materials have important application value in the building materials, metallurgy, chemical industry and other industries. For example, dolomite powder can be used for alkaline refractory materials and blast furnace ironmaking flux; silica powder is widely used in high-end fields such as glass and single crystal silicon manufacturing. At the same time, in the production process of molten iron ladle castables and refractory materials such as aluminum silicon carbide, higher requirements are placed on the grinding accuracy and efficiency of vertical grinding mills.
[0003] As an important component of the vertical grinding mill, the feeding structure plays an important role in the use of the vertical grinding mill.
[0004] The patent discloses a vertical grinding mill with the publication number CN220610744U. The patent discloses a box body, wherein the four corners of the outer wall of the bottom of the box body are fixedly connected with supporting feet, the outer wall of one end of the box body is rotatably connected with a cover plate, the top of the box body is provided with a feed box, the inside of the feed box is provided with an air blowing and drying mechanism, the top of the box body is fixedly connected with a bracket; the bottom of the feed box is fixedly connected with a material guide pipe.
[0005] When the existing vertical grinding mill discharge structure is in use, raw materials may accumulate in the feed pipe, causing blockage and affecting the discharge performance. Utility Model Content
[0006] The purpose of the utility model is to provide a feeding structure of a vertical grinding mill, which can realize rapid feeding of raw materials.
[0007] To achieve the above purpose, the present invention provides the following technical solutions: a vertical grinding mill feeding structure, comprising
[0008] A grinding mill body, wherein a through opening is formed on the top of the grinding mill body;
[0009] a material guide pipe, one end of which passes through the through opening and extends into the interior of the grinding mill body;
[0010] A feed channel, the feed channel being provided on the grinding mill body through a supporting component and being in communication with the material guide pipe;
[0011] The anti-blocking component includes a motor installed on the top of the grinding mill body, a crushing column connected to the motor output shaft, a plurality of first crushing knives arranged on the crushing column, and a plurality of second crushing knives installed on the inner wall of the guide tube, wherein the plurality of first crushing knives and the plurality of second crushing knives are staggered.
[0012] Preferably, it further comprises a through hole opened inside the material guide tube, and the output shaft of the motor passes through the through hole.
[0013] Preferably, it further comprises a groove formed on the inner wall of the guide tube, a bearing installed inside the groove, and one end of the pulverizing column is located inside the bearing.
[0014] Preferably, it further comprises fasteners symmetrically arranged on the outer side of the motor, and the fasteners are fixedly connected to the grinding mill body.
[0015] Preferably, it further comprises a protective cover hinged to the top of the feed channel, and a protruding handle is installed on the protective cover.
[0016] Preferably, the supporting component includes a connecting rod symmetrically arranged on the outer wall of the feed channel, a supporting plate installed on the top of the grinding mill body, and a supporting rod connected to the connecting rod and the supporting plate.
[0017] Preferably, the support plate and the grinding mill body are connected by screws, and the support rod is a cylindrical structure.
[0018] Compared with the prior art, the beneficial effects of the present invention are:
[0019] Through the designed anti-blocking components, when the raw materials gather in the guide tube, the motor drives the crushing column to rotate and causes the first crushing knife to rotate. The rotating first crushing knife cooperates with the second crushing knife, thereby increasing the performance of raw material breakage, preventing raw material blockage, and ensuring smooth material discharge. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a structural diagram of the utility model;
[0021] Figure 2 It is a side view schematic diagram of the partial structure of the utility model;
[0022] Figure 3 This is a schematic diagram of a partial cross-sectional view of the guide tube of the present invention;
[0023] In the figure: 1. Mill body; 2. Feed channel; 21. Protective cover; 3. Material guide tube; 31. Groove; 32. Second crushing blade; 41. Connecting rod; 42. Support rod; 43. Support plate; 5. Motor; 6. Fastener; 7. Crushing column; 71. First crushing blade; 8. Bearing. DETAILED DESCRIPTION
[0024] 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 embodiments 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 making creative efforts are within the scope of protection of the present invention.
[0025] Example 1
[0026] See also Figure 1-Figure 3 , is the first embodiment of the present utility model, which provides a feeding structure of a vertical grinding mill, including
[0027] The grinding mill body 1 has a through opening at the top thereof, thereby realizing the opening of the through opening;
[0028] A material guide pipe 3, one end of which passes through the opening and extends into the interior of the grinding mill body 1, so that the raw materials can enter the interior of the grinding mill body 1 along the material guide pipe 3;
[0029] A feed channel 2 is provided on the grinding mill body 1 through a supporting member and is connected to the material guide pipe 3. The raw material enters the grinding mill body 1 through the feed channel 2;
[0030] The anti-blocking component includes a motor 5 installed on the top of the grinding mill body 1, which realizes the addition of the motor 5, a crushing column 7 connected to the output shaft of the motor 5, and the crushing column 7 is located inside the guide tube 3. When the motor 5 is working, it can drive the crushing column 7 to rotate, and multiple first crushing knives 71 are provided on the crushing column 7, which realizes the addition of the first crushing knife 71. The multiple second crushing knives 32 are installed on the inner wall of the guide tube 3, which realizes the addition of the second crushing knife 32. The multiple first crushing knives 71 and the multiple second crushing knives 32 are staggered. When the raw materials gather in the guide tube 3, the motor 5 drives the crushing column 7 to rotate and makes the first crushing knife 71 rotate. The rotating first crushing knife 71 cooperates with the second crushing knife 32, thereby increasing the breakage performance, preventing the raw materials from being blocked, and ensuring smooth feeding.
[0031] In this embodiment, preferably, a through hole is further provided inside the material guide tube 3 , so that the output shaft of the motor 5 passes through the through hole, ensuring that the motor 5 drives the grinding column 7 to rotate.
[0032] In this embodiment, preferably, a groove 31 is provided on the inner wall of the guide tube 3, the groove 31 is provided, and a bearing 8 is installed inside the groove 31, so that the bearing 8 is added. One end of the crushing column 7 is located inside the bearing 8, and the cooperation of the bearing 8 is utilized to increase the convenience of rotating the crushing column 7.
[0033] In this embodiment, preferably, it also includes fasteners 6 symmetrically arranged on the outer side of the motor 5, realizing the addition of fasteners 6. The fasteners 6 are fixedly connected to the grinding mill body 1 by screws, and the fasteners 6 are firmly installed with the grinding mill body 1 to increase the stability of the installation of the motor 5.
[0034] In this embodiment, preferably, a protective cover 21 is further included which is hinged to the top of the feed channel 2. The protective cover 21 increases the performance of protecting the feed channel 2. A protruding handle is installed on the protective cover 21, and it is more convenient to open the protective cover 21 through the protruding handle.
[0035] Example 2
[0036] See also Figure 1-Figure 3 , which is the second embodiment of the present utility model, is based on the previous embodiment, except that:
[0037] The supporting components include a connecting rod 41 symmetrically arranged on the outer wall of the feed channel 2, which realizes the addition of the connecting rod 41, a support plate 43 installed on the top of the grinding mill body 1, which realizes the addition of the support plate 43, and a support rod 42 connected to the connecting rod 41 and the support plate 43. The support for the feed channel 2 is increased by utilizing the cooperation of the connecting rod 41, the support plate 43, and the support rod 42; the support plate 43 and the grinding mill body 1 are connected by screws, so that the support plate 43 and the grinding mill body 1 are firmly fixed, and the support rod 42 is a cylindrical structure.
[0038] The working principle and use process of the present invention are as follows: when in use, the protective cover 21 is opened, the raw materials are added through the feed channel 2 and enter the grinding mill body 1 along the guide tube 3. At the same time, the motor 5 is turned on, and the motor 5 drives the crushing column 7 to rotate, and the first crushing knife 71 is rotated. The rotating first crushing knife 71 cooperates with the second crushing knife 32, thereby increasing the performance of raw material breakage, preventing raw material blockage, and ensuring smooth material discharge.
[0039] Although the embodiments of the present invention have been shown and described, please refer to the detailed description above. It will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A feeding structure of a vertical grinding mill, characterized by: include A grinding mill body (1), wherein a through opening is provided at the top end of the grinding mill body (1); a material guide pipe (3), one end of which passes through the through opening and extends into the interior of the grinding mill body (1); A feed channel (2), the feed channel (2) being arranged on the grinding mill body (1) via a supporting component and being in communication with the guide pipe (3); The anti-blocking component comprises a motor (5) mounted on the top of a grinding mill body (1), a crushing column (7) connected to the output shaft of the motor (5), a plurality of first crushing knives (71) arranged on the crushing column (7), and a plurality of second crushing knives (32) mounted on the inner wall of a material guide tube (3), wherein the plurality of first crushing knives (71) and the plurality of second crushing knives (32) are staggered.
2. The material discharge structure of a vertical grinding mill according to claim 1, characterized in that: It also includes a through hole opened inside the material guide tube (3), and the output shaft of the motor (5) passes through the through hole.
3. The blanking structure of a vertical grinding mill according to claim 1, characterized in that: It also includes a groove (31) formed on the inner wall of the guide tube (3), a bearing (8) installed inside the groove (31), and one end of the pulverizing column (7) is located inside the bearing (8).
4. The material discharge structure of a vertical grinding mill according to claim 1, characterized in that: It also includes a fastener (6) symmetrically arranged on the outer side of the motor (5), and the fastener (6) is fixedly connected to the grinding machine body (1).
5. The material discharge structure of a vertical grinding mill according to claim 1, characterized in that: The invention also comprises a protective cover (21) hinged to the top of the feed channel (2), and a protruding handle is installed on the protective cover (21).
6. The material discharge structure of a vertical grinding mill according to claim 1, characterized in that: The supporting component comprises a connecting rod (41) symmetrically arranged on the outer wall of the feed channel (2), a supporting plate (43) installed on the top of the grinding mill body (1), and a supporting rod (42) connected to the connecting rod (41) and the supporting plate (43).
7. The material discharge structure of a vertical grinding mill according to claim 6, characterized in that: The support plate (43) and the grinding mill body (1) are connected via screws, and the support rod (42) is a cylindrical structure.
Citation Information
Patent Citations
Vertical flour mill
CN220610744U