Cement production raw material sand mill
By introducing rotating plates and scrapers into the cement production raw material sand mill and redesigning the crushing and screening process, the problem of manual removal and re-grinding of raw materials in the prior art is solved, which improves the grinding rate and quality, and enhances the stability of the device.
Patent Information
- Application Number
- CN202421169950.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-05-27
AI Technical Summary
After grinding the existing cement production raw material sand mill, some raw materials that do not meet the standards need to be manually taken out and grinded again by workers. The process is cumbersome and reduces the rate of raw material grinding.
A cement production raw material sand mill is designed, which includes a rotating plate and a scraper. Raw materials that do not meet the standards are re-sent to the grinding rod for grinding under the rotation of the scraper and the rotating plate. The combination of brushes and filtering of raw materials is realized to prevent the filter plate from being blocked.
The grinding rate and quality of raw materials are improved, workers are simplified, manual intervention is reduced, and the stability of the device is improved.
Smart Images

Figure CN222550995U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cement production, in particular to a cement production raw material sand mill. Background Art
[0002] In cement production, cement raw materials need to be sand ground, so a cement production raw material sand mill is needed.
[0003] For example, the patent publication number CN217093764U is a sand mill for cement production raw materials. By setting up the coordinated use of belts, pulleys, rotating drums, sleeve bearings, rotating rollers, grinding rollers, screening plates, discharge valves, crushing blades and controllers, it solves the problem that the existing sand mills for cement production raw materials usually have a relatively simple structure for crushing cement raw materials before grinding during use, resulting in poor crushing effect.
[0004] However, in actual use of the above-mentioned cement production raw material sand mill, after grinding the raw materials, some raw materials that do not meet the standards will remain on the screening plate, and workers will need to take them out again and grind them again. This process is relatively cumbersome and reduces the raw material grinding rate. For this reason, the applicant proposed a cement production raw material sand mill. Utility Model Content
[0005] The purpose of the utility model is to provide a sand mill for raw materials of cement production to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sand mill for cement production raw materials, including a material receiving box, a sand milling mechanism is slidably connected at the box opening of the material receiving box, a crushing mechanism is fixed on the top of the sand milling mechanism, the sand milling mechanism includes an outer shell, a feeding port is opened on one side of the top of the outer shell, a rotating shaft is rotatably connected between the two sides of the inner wall of the outer shell, a plurality of rotating plates are fixed on the outer wall of the rotating shaft, a scraper is fixed on the side of one end of the rotating plate, a brush is fixed on one end of the rotating plate, a discharge port is opened on one side of the bottom of the outer shell, a filter plate is fixed at the discharge port of the outer shell, and the bristle ends of the plurality of brushes are respectively in contact with the plurality of filter holes of the filter plate.
[0007] Preferably, a plurality of rotating plates are evenly distributed at equal angles about the center of the rotating shaft, a first motor is fixed to one side of the outer wall of the shell, and an output end of the first motor passes through one side of the outer wall of the shell and is fixed to one end of the rotating shaft.
[0008] Preferably, a grinding cylinder is fixed to the bottom of the inner wall of the outer shell, the grinding cylinder is located on one side of the rotating shaft and does not interfere with a plurality of rotating plates, openings are respectively provided on both sides of the bottom end of the grinding cylinder, an inclined plate is fixed to the bottom of the inner wall of the outer shell, the inclined plate is located inside the grinding cylinder, one of the openings of the grinding cylinder is located at the highest point of the inclined surface of the inclined plate, and the other opening is located at the lowest point of the inclined surface of the inclined plate, a fixed plate is fixed to the top of the grinding cylinder, inclined surfaces are respectively provided on both sides of the top of the fixed plate, a second motor is fixed to the bottom of the fixed plate, a grinding rod is fixed to the output end of the second motor, and the bottom end of the grinding rod and the inclined surface of the top of the inclined plate are rotatably connected to each other.
[0009] Preferably, a slope block is fixed on the other side of the inner wall of the shell, a plurality of dampers are fixed on the slope of the slope block, a slope panel is fixed to one end of the plurality of dampers, a vibrator is fixed on one side of the slope panel, the vibrator is located between the plurality of dampers, two guide rods are fixed on the other side of the slope panel, a stabilizing plate is fixed on the other side of the inner wall of the shell, and the slope panel is located at the bottom of the stabilizing plate.
[0010] Preferably, a fixing frame is fixed to the outer wall of the shell, and the material receiving box is located inside one end of the fixing frame.
[0011] Preferably, the crushing mechanism includes a protective shell, a plurality of crushing rollers are rotatably connected to the inner wall of the protective shell, a plurality of third motors are fixed to one side of the outer wall of the protective shell, the output ends of the plurality of third motors pass through one side of the outer wall of the protective shell and are respectively fixed to one end of the plurality of crushing rollers, the discharge port at the bottom of the protective shell is connected to the feed port on the top side of the outer shell in the sand grinding mechanism, a stabilizing frame is fixed to the other side of the outer wall of the protective shell, and the bottom of the stabilizing frame is fixed to the top of the outer shell.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The cement production raw material sand mill has a sand mill mechanism with a rotating plate and a scraper added therein. When the raw materials are ground, the raw materials that do not meet the standards will be received by the rotating scraper and rotating plates, and under the continuous rotation of the scraper and rotating plates, the raw materials will be sent back to the grinding rod for grinding, thereby improving the raw material production rate and the quality of raw material production.
[0014] At the same time, brushes and filter plates are installed in the sand grinding mechanism. When grinding the raw materials, the filter plate can screen the ground raw materials, and the filter holes of the filter plate can be cleaned under the rotation of the brush to prevent the filter plate from being blocked, thereby improving the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the top structure of the utility model;
[0016] Figure 2This is a schematic diagram of the bottom structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the sand grinding mechanism of the utility model;
[0018] Figure 4 It is a schematic diagram of the structure of the crushing mechanism of the utility model.
[0019] In the figure: 1. material receiving box; 2. sanding mechanism; 201. shell; 202. rotating shaft; 203. rotating plate; 204. scraper; 205. brush; 206. filter plate; 207. first motor; 208. grinding cylinder; 209. inclined plate; 210. fixed plate; 211. second motor; 212. grinding rod; 213. inclined block; 214. damper; 215. inclined plate; 216. vibrator; 217. guide rod; 218. stabilizing plate; 219. fixed frame; 3. crushing mechanism; 301. protective shell; 302. crushing roller; 303. third motor; 304. stabilizing frame. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] With the continuous development of society, cement is used in various construction industries. When producing cement, the raw materials of cement need to be ground by a sand mill. Therefore, a sand mill for cement production raw materials is needed. In the actual use of most traditional sand mills for cement production raw materials, during the raw material grinding process, the raw materials will contact with the high-speed rotating sand milling medium, so that the solid particles in the raw materials and the sand milling medium will produce strong collision and friction, so as to achieve the purpose of accelerating the grinding of particles and dispersing aggregates. However, some raw materials may not be well ground during processing, which reduces the production quality of the raw materials. For this reason, the applicant proposes a sand mill for cement production raw materials.
[0022] like Figure 1-Figure 4As shown, the utility model provides a technical solution: a sand mill for cement production raw materials, including a material receiving box 1, a sand milling mechanism 2 is slidably connected at the box opening of the material receiving box 1, a crushing mechanism 3 is fixed on the top of the sand milling mechanism 2, the sand milling mechanism 2 includes a shell 201, a feeding port is opened on one side of the top of the shell 201, a rotating shaft 202 is rotatably connected between the two sides of the inner wall of the shell 201, a plurality of rotating plates 203 are fixed on the outer wall of the rotating shaft 202, a scraper 204 is fixed on the side of one end of the rotating plate 203, a brush 205 is fixed on one end of the rotating plate 203, and a discharge port is opened on one side of the bottom of the shell 201 A filter plate 206 is fixed at the discharge port of the housing 201, and the ends of the hairs of the plurality of brushes 205 are respectively in contact with the plurality of filter holes of the filter plate 206. A plurality of rotating plates 203 are evenly distributed at equal angles with the center of the rotating shaft 202. A first motor 207 is fixed to one side of the outer wall of the housing 201, and the output end of the first motor 207 penetrates one side of the outer wall of the housing 201 and is fixed to one end of the rotating shaft 202. A grinding cylinder 208 is fixed to the bottom of the inner wall of the housing 201. The grinding cylinder 208 is located on one side of the rotating shaft 202 and does not interfere with the plurality of rotating plates 203. The bottom of the grinding cylinder 208 Openings are respectively provided on both sides of the end, an inclined plate 209 is fixed to the bottom of the inner wall of the shell 201, and the inclined plate 209 is located inside the grinding cylinder 208. One of the openings of the grinding cylinder 208 is located at the highest point of the inclined surface of the inclined plate 209, and the other opening is located at the lowest point of the inclined surface of the inclined plate 209. A fixed plate 210 is fixed to the top of the grinding cylinder 208, and inclined surfaces are respectively provided on both sides of the top of the fixed plate 210. A second motor 211 is fixed to the bottom of the fixed plate 210, and a grinding rod 212 is fixed to the output end of the second motor 211. The bottom end of the grinding rod 212 is rotatably connected to the inclined surface at the top of the inclined plate 209, and the outer A slope block 213 is fixed to the other side of the inner wall of the shell 201, and a plurality of dampers 214 are fixed to the slope of the slope block 213. A slope plate 215 is fixed to one end of the plurality of dampers 214. A vibrator 216 is fixed to one side of the slope plate 215, and the vibrator 216 is located between the plurality of dampers 214. Two guide rods 217 are fixed to the other side of the slope plate 215. A stabilizing plate 218 is fixed to the other side of the inner wall of the shell 201, and the slope plate 215 is located at the bottom of the stabilizing plate 218. A fixing frame 219 is fixed to the outer wall of the shell 201, and the material receiving box 1 is located inside one end of the fixing frame 219.
[0023] It should be noted that: during the use of the device, the raw materials will first be crushed by the crushing mechanism 3, and the crushed raw materials will fall onto the inclined plate 215 through the feed port at the top of the housing 201. Under the action of the guide rod 217 on the inclined plate 215, the raw materials will be concentrated at one of the openings of the grinding cylinder 208. As the second motor 211 rotates, the raw materials will enter the grinding cylinder 208 through the adjacent openings, and the grinding rod 212 will grind the raw materials. Subsequently, the raw materials that do not meet the standards and the raw materials that meet the standards will pass through the inclined surface of the inclined plate 209 from the other opening of the grinding cylinder 208. The raw materials on the filter plate 206 are received by the scraper 204 under the rotation of the rotating plate 203. At the same time, the brush 205 also cleans the filter holes of the filter plate 206. At this time, the raw materials that meet the standards will fall from the filter holes of the filter plate 206 into the receiving box 1 and be collected. The raw materials that do not meet the standards will be sent to the inclined plate 215 under the rotation of the rotating plate 203 for re-grinding. The two inclined surfaces on the fixed plate 210 can prevent the accumulation of raw materials.
[0024] like Figure 4 As shown, the utility model provides a technical solution: a sand mill for raw materials for cement production, including a crushing mechanism 3, the crushing mechanism 3 includes a protective shell 301, the inner wall of the protective shell 301 is rotatably connected to a plurality of crushing rollers 302, one side of the outer wall of the protective shell 301 is fixed with a plurality of third motors 303, after the output ends of the plurality of third motors 303 pass through one side of the outer wall of the protective shell 301, they are respectively fixed to one end of the plurality of crushing rollers 302, the discharge port at the bottom of the protective shell 301 is connected to the feed port on one side of the top of the outer shell 201 in the sand mill mechanism 2, and a stabilizing frame 304 is fixed to the other side of the outer wall of the protective shell 301, and the bottom of the stabilizing frame 304 is fixed to the top of the outer shell 201.
[0025] It should be noted that when the device is in use, the raw material is first placed into the crushing mechanism 3. At this time, the third motor 303 will control the crushing roller 302 to crush the raw material, and the crushed raw material will be discharged into the sanding mechanism 2 through the discharge port at the bottom of the protective shell 301.
[0026] Although the 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is limited by the attached embodiments and their equivalents.
Claims
1. A sand mill for raw materials for cement production, comprising a material receiving box (1), characterized in that: A sanding mechanism (2) is slidably engaged at the box opening of the material receiving box (1), a crushing mechanism (3) is fixed on the top of the sanding mechanism (2), the sanding mechanism (2) comprises a shell (201), a feeding port is provided on one side of the top of the shell (201), a rotating shaft (202) is rotatably connected between two sides of the inner wall of the shell (201), a plurality of rotating plates (203) are fixed on the outer wall of the rotating shaft (202), a scraper (204) is fixed on the side of one end of the rotating plate (203), a brush (205) is fixed on one end of the rotating plate (203), a discharge port is provided on one side of the bottom of the shell (201), a filter plate (206) is fixed at the discharge port of the shell (201), and the hair ends of the plurality of brushes (205) are respectively in contact with a plurality of filter holes of the filter plate (206).
2. The cement production raw material sand mill according to claim 1, characterized in that: A plurality of rotating plates (203) are evenly distributed at equal angles around the center of the rotating shaft (202); a first motor (207) is fixed to one side of the outer wall of the housing (201); an output end of the first motor (207) penetrates one side of the outer wall of the housing (201) and is fixed to one end of the rotating shaft (202).
3. The cement production raw material sand mill according to claim 1, characterized in that: A grinding cylinder (208) is fixed to the bottom of the inner wall of the shell (201). The grinding cylinder (208) is located on one side of the rotating shaft (202) and does not interfere with the plurality of rotating plates (203). Openings are respectively provided on both sides of the bottom end of the grinding cylinder (208). An inclined plate (209) is fixed to the bottom of the inner wall of the shell (201). The inclined plate (209) is located inside the grinding cylinder (208). One of the openings of the grinding cylinder (208) is located at the highest point of the inclined surface of the inclined plate (209), and the other opening is located at the lowest point of the inclined surface of the inclined plate (209). A fixed plate (210) is fixed to the top of the grinding cylinder (208). Inclined surfaces are respectively provided on both sides of the top of the fixed plate (210). A second motor (211) is fixed to the bottom of the fixed plate (210). A grinding rod (212) is fixed to the output end of the second motor (211). The bottom end of the grinding rod (212) is rotatably connected to the inclined surface at the top of the inclined plate (209).
4. The cement production raw material sand mill according to claim 1, characterized in that: A slope block (213) is fixed on the other side of the inner wall of the shell (201); a plurality of dampers (214) are fixed on the slope of the slope block (213); a slope panel (215) is fixed to one end of the plurality of dampers (214); a vibrator (216) is fixed to one side of the slope panel (215); the vibrator (216) is located between the plurality of dampers (214); two guide rods (217) are fixed to the other side of the slope panel (215); a stabilizing plate (218) is fixed to the other side of the inner wall of the shell (201); and the slope panel (215) is located at the bottom of the stabilizing plate (218).
5. The cement production raw material sand mill according to claim 1, characterized in that: A fixing frame (219) is fixed to the outer wall of the housing (201), and the material receiving box (1) is located inside one end of the fixing frame (219).
6. The cement production raw material sand mill according to claim 1, characterized in that: The pulverizing mechanism (3) comprises a protective shell (301), the inner wall of the protective shell (301) is rotatably connected to a plurality of pulverizing rollers (302), a plurality of third motors (303) are fixed to one side of the outer wall of the protective shell (301), the output ends of the plurality of third motors (303) penetrate through one side of the outer wall of the protective shell (301) and are respectively fixed to one end of the plurality of pulverizing rollers (302), a discharge port at the bottom of the protective shell (301) is connected to a feed port at the top side of the outer shell (201) of the sand grinding mechanism (2), a stabilizing frame (304) is fixed to the other side of the outer wall of the protective shell (301), and the bottom of the stabilizing frame (304) is fixed to the top of the outer shell (201).
Citation Information
Patent Citations
Cement production raw material sand mill
CN217093764U