Cement vertical mill with anti-abrasion structure

Abstract

The utility model relates to the technical field of vertical mills, in particular to a cement vertical mill with an anti-abrasion structure, which comprises a millstone, a supporting frame is assembled on the side edge of the millstone in a supporting manner, rotary milling rollers are arranged on the surface of the millstone, a transfer block is arranged among the three groups of rotary milling rollers, a rotary rod is assembled in the transfer block in an inserting manner, and a plurality of rotary milling rollers are arranged on the rotary rod. The upper end of the rotating rod is connected with a speed reducer through a coupler, a servo motor is assembled at the input end of the speed reducer, a knocking and vibrating assembly is arranged at the bottom of the grinding disc and comprises a transmission fluted disc, the transmission fluted disc is fixed to the bottom end of the rotating rod, the side edge of the transmission fluted disc is meshed with a driven side tooth, and a transverse rotating shaft is fixed into the driven side tooth. A hoop is fixed to the middle of the transverse rotating shaft, a rubber rod is fixedly arranged on the outer wall of the hoop, and a rubber ball is integrally arranged at the outer end of the rubber rod. According to the utility model, the grinding rollers can be conveniently combined and assembled according to use requirements, abrasion is not easy to cause, meanwhile, knocking and vibration discharging is convenient during discharging, and the discharging efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of vertical mill technology, specifically a cement vertical mill with an anti-abrasion structure. Background Technology

[0002] Cement, as an indispensable basic material in modern construction engineering, has a massive and continuously growing production scale. Vertical roller mills play a core role in the cement production process, undertaking the crucial task of grinding raw materials (such as limestone, clay, iron ore, etc.) into fine powder to meet the particle size requirements of subsequent cement clinker firing and finished cement preparation. A vertical roller mill is an ideal large-scale grinding equipment, integrating crushing, drying, grinding, grading, and conveying. It can grind lumpy, granular, and powdery raw materials into the required powdered materials and has a wide range of applications.

[0003] In response, Chinese patent application number CN202022919621.3 discloses a vertical cement grinding mill, relating to the field of grinding mill technology. The mill housing contains a grinding disc and a rotating shaft rotatably connected to it. A scraper hopper is located below the grinding disc. The rotating shaft extends from the bottom of the grinding disc towards the scraper hopper. A material hanging frame is rotatably connected to the portion of the rotating shaft located in the scraper hopper. Multiple bolt holes are provided at the end of the material hanging frame away from the rotating shaft. A scraper plate is bolted to the material hanging frame through these bolt holes. The end of the scraper plate away from the support contacts the inner wall of the scraper hopper. A screen is provided at the end of the scraper hopper away from the rotating disc.

[0004] However, existing vertical mill devices are inconvenient to assemble and combine grinding rollers according to usage needs, which can easily cause wear and make them inconvenient to use. At the same time, it is inconvenient to perform vibration discharge, which affects the efficiency of use.

[0005] Therefore, in order to solve the above problems, a cement vertical mill with an anti-abrasion structure is proposed. Summary of the Invention

[0006] The purpose of this utility model is to provide a cement vertical mill with an anti-abrasion structure to solve the problems mentioned in the background art, such as the inconvenience of assembling and combining grinding rollers according to usage needs, the easy wear and inconvenience of use, and the inconvenience of vibration discharge, which affects the efficiency of use.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a cement vertical mill with an anti-abrasion structure, comprising a grinding disc, a support frame mounted on the side of the grinding disc, rotating grinding rollers on the surface of the grinding disc, a central transfer block between three sets of rotating grinding rollers, a rotating rod inserted inside the central transfer block, a reducer connected to the upper end of the rotating rod via a coupling, a servo motor mounted at the input end of the reducer, a vibration assembly at the bottom of the grinding disc, the vibration assembly comprising a transmission gear disc fixed to the bottom end of the rotating rod, driven side teeth meshing on the side of the transmission gear disc, a horizontal rotating shaft fixed inside the driven side teeth, a clamp fixed in the middle of the horizontal rotating shaft, a rubber rod fixed to the outer wall of the clamp, and a rubber ball integrally mounted on the outer end of the rubber rod.

[0008] As a further step in this solution, the rotating roller assembly includes an upper roller body and a lower roller body, which are assembled by bolts. Corresponding inner grooves are formed on the sides of the upper and lower roller bodies. A horizontal shaft is mounted inside the upper and lower roller bodies via bearings. The horizontal shaft is fixed to the outer wall of the intermediate block. A wear-resistant layer is sleeved on the outside of the upper and lower roller bodies. Wear-resistant studs are integrally cast around the outer circumference of the wear-resistant layer. Corresponding roller side heads are provided on both sides of the wear-resistant layer. The roller side heads are sleeved on the outer wall of the horizontal shaft and are assembled to the ends of the upper and lower roller bodies by screws. Corresponding side grooves are formed inside the roller side heads. A side plug gasket is filled between the roller side heads and the horizontal shaft, and the side plug gasket is fixed to the inner wall of the roller side heads.

[0009] As a further improvement of this solution, the grinding disc is arranged with a high center and low sides, and the sides of the grinding disc are evenly provided with material leakage grooves. The side of the transfer block is integrally fixed with an assembly beam. A rubber sweeping plate is installed below the assembly beam and rests on the surface of the grinding disc. The rotating rod is inserted through the middle of the grinding disc, and a bottom plug sleeve is filled between the middle of the grinding disc and the rotating rod. The bottom plug sleeve is fixed to the inner wall of the middle of the grinding disc. A support cylinder is sleeved on the lower end of the rotating rod, and the bottom of the support cylinder and the bottom of the rotating rod are assembled by bearings.

[0010] As a further step of this solution, an upper cylinder is provided above the side of the grinding disc, and an upper cover plate covers the upper part of the upper cylinder. The rotating rod is inserted and mounted on the top center of the upper cover plate through a bearing. The reducer and servo motor are supported and mounted on the surface of the upper cover plate. A guide hopper is fixed at the bottom of the upper cover plate, and a through hole is opened in the center of the bottom of the guide hopper. A feeding hopper is mounted on the left side surface of the upper cover plate, and an upper bracket is supported on the side of the feeding hopper.

[0011] As a further step of this solution, the two ends of the horizontal rotating shaft are equipped with bearing hangers, which are suspended at the bottom of the grinding disc. The middle of the horizontal rotating shaft is integrally fixed with an inner clamping rod corresponding to the clamp, and the side section of the inner clamping rod is hexagonal. Five sets of driven side teeth and the horizontal rotating shaft are arranged around the side of the transmission gear disc.

[0012] As a further step of this solution, a lower cylinder is installed at the bottom of the grinding disc, the lower cylinder surrounds the outside of the vibration assembly, a material collection hopper is installed at the lower end of the lower cylinder, and a discharge port is connected to the bottom end of the material collection hopper.

[0013] As a further step of this solution, a concentric inner cover is provided inside the lower cylinder, which surrounds the outside of the vibration assembly, and the bottom wall of the inner cover is covered and sealed with a bottom sealing plate.

[0014] Compared with the prior art, the beneficial effects of this utility model are: this utility model is convenient to assemble and combine the grinding rollers according to the needs of use, and is not easy to cause wear. At the same time, it is convenient to perform knocking and vibration discharge during material discharge, thereby improving the discharge efficiency.

[0015] This utility model, by incorporating a rotating grinding roller, and combining it with a central rotating block and a rotating rod, makes operation more convenient. The rotating rod drives the central rotating block and the rotating grinding roller to rotate and grind, making operation easier. Furthermore, the wear-resistant layer and wear-resistant studs facilitate wear resistance and easy replacement when worn. This design improves the convenience and practicality of the cement vertical mill with its anti-corrosion structure.

[0016] This utility model incorporates a vibration component. With the transmission gear disc in place, the rotation of the rotating rod drives the transmission gear disc to rotate, engaging the driven side teeth. Simultaneously, it drives the horizontal rotating shaft to rotate, which in turn drives the clamp to rotate. This causes the clamp to rotate, causing the rubber rod and rubber ball to vibrate the bottom of the grinding disc, making material discharge and unloading more convenient. This design improves the convenience and practicality of the cement vertical mill with an anti-abrasion structure. Attached Figure Description

[0017] Figure 1 This is a three-dimensional sectional view of the structure of this utility model.

[0018] Figure 2 This is a side perspective three-dimensional schematic diagram of the overall structure of this utility model;

[0019] Figure 3 This is a top view sectional perspective of the structure of this utility model;

[0020] Figure 4 This is a three-dimensional sectional view of the structure of this utility model from below;

[0021] Figure 5 This is a frontal perspective three-dimensional schematic diagram of a partial structure of the rotary grinding roller and the vibration assembly of this utility model;

[0022] Figure 6 This is a frontal exploded view of the partial structure of the rotating grinding roller of this utility model.

[0023] In the diagram: 100, Grinding disc; 101, Material discharge trough; 102, Bottom plug gasket; 103, Support cylinder; 110, Upper cylinder; 120, Upper cover plate; 121, Guide hopper; 122, Feed hopper; 123, Upper bracket; 130, Support frame; 140, Lower cylinder; 141, Collection hopper; 142, Discharge port; 200, Rotary grinding roller; 201, Upper roller body; 202, Lower roller body; 203, Inner groove; 204, Wear-resistant layer; 205, Wear-resistant stud; 206, Roller side head; 207, Side groove. ; 208, Side plug gasket; 210, Transfer block; 211, Horizontal shaft; 220, Rotating rod; 230, Reducer; 231, Coupling; 240, Servo motor; 250, Assembly beam; 251, Rubber sweeping plate; 300, Vibration assembly; 301, Inner cover cylinder; 302, Bottom sealing plate; 310, Transmission gear plate; 320, Driven side gear; 330, Horizontal rotating shaft; 331, Hanger with bearing; 332, Inner clamping rod; 340, Clamp; 341, Rubber rod; 342, Rubber ball. Detailed Implementation

[0024] 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.

[0025] Please see Figures 1-6 One embodiment provided by this utility model:

[0026] A cement vertical mill with an anti-abrasion structure includes a grinding disc 100, a support frame 130 mounted on the side of the grinding disc 100, rotating grinding rollers 200 disposed on the surface of the grinding disc 100, a central transfer block 210 disposed between three sets of rotating grinding rollers 200, a rotating rod 220 inserted inside the central transfer block 210, a reducer 230 connected to the upper end of the rotating rod 220 via a coupling 231, and a servo motor 240 mounted at the input end of the reducer 230. The bottom of the disc 100 is provided with a vibration component 300, which includes a transmission gear disc 310. The transmission gear disc 310 is fixed to the bottom end of the rotating rod 220. A driven side tooth 320 is engaged on the side of the transmission gear disc 310. A horizontal rotating shaft 330 is fixed inside the driven side tooth 320. A clamp 340 is fixed in the middle of the horizontal rotating shaft 330. A rubber rod 341 is fixed on the outer wall of the clamp 340. A rubber ball 342 is integrally provided on the outer end of the rubber rod 341.

[0027] As described in more detail in this embodiment, the grinding roller 200 comprises an upper roller body 201 and a lower roller body 202, which are assembled by bolts. Corresponding inner grooves 203 are formed on the sides of the upper roller body 201 and the lower roller body 202. A horizontal shaft 211 is mounted inside the upper roller body 201 and the lower roller body 202 via bearings. The horizontal shaft 211 is fixed to the outer wall of the intermediate rotating block 210. A wear-resistant layer 204 is sleeved on the outside of the upper roller body 201 and the lower roller body 202, with the outer wall of the wear-resistant layer 204 integrally cast around its perimeter. There are wear-resistant studs 205, and corresponding roller side heads 206 are provided on both sides of the wear-resistant layer 204. The roller side heads 206 are sleeved on the outer wall of the horizontal shaft 211, and the roller side heads 206 are assembled with the ends of the upper roller body 201 and the lower roller body 202 by screws. The roller side heads 206 have corresponding side grooves 207 inside. The roller side heads 206 and the horizontal shaft 211 are filled with side plugs 208, and the side plugs 208 are fixed to the inner wall of the roller side heads 206. This facilitates the assembly of the roller to form the grinding roller 200, making it more wear-resistant and easier to replace.

[0028] As described in more detail in this embodiment, the grinding disc 100 is arranged with a high center and low sides, and the sides of the grinding disc 100 are evenly provided with material discharge grooves 101. The side of the central transfer block 210 is integrally fixed with an assembly beam 250. A rubber sweeping plate 251 is installed below the assembly beam 250 and rests on the surface of the grinding disc 100. The rotating rod 220 is inserted through the middle of the grinding disc 100, and a bottom plug 102 is filled between the middle of the grinding disc 100 and the rotating rod 220. The bottom plug 102 is fixed to the inner wall of the middle of the grinding disc 100. A support cylinder 103 is sleeved on the lower end of the rotating rod 220, and the bottom of the support cylinder 103 and the bottom of the rotating rod 220 are assembled by bearings. In this way, it is convenient to assist in the assembly and material discharge of the grinding disc 100 during use, making subsequent operations more convenient.

[0029] As described in more detail in this embodiment, an upper cylinder 110 is provided above the side of the grinding disc 100, and an upper cover plate 120 is provided on the upper part of the upper cylinder 110. The rotating rod 220 is inserted and mounted on the top center of the upper cover plate 120 through a bearing. The reducer 230 and the servo motor 240 are supported and mounted on the surface of the upper cover plate 120. A guide hopper 121 is fixed at the bottom of the upper cover plate 120, and a through hole is opened in the center of the bottom of the guide hopper 121. A feeding hopper 122 is mounted on the left side of the upper cover plate 120, and an upper bracket 123 is supported on the side of the feeding hopper 122. In this way, it is convenient to surround and assemble the upper part of the grinding disc 100 during use, so as to form a closed space and make feeding and guiding the material more convenient.

[0030] As described in more detail in this embodiment, the horizontal rotating shaft 330 is equipped with bearing hangers 331 at both ends. The bearing hangers 331 are suspended at the bottom of the grinding disc 100. The middle part of the horizontal rotating shaft 330 is integrally fixed with an inner retaining rod 332 corresponding to the clamp 340. The side section of the inner retaining rod 332 is hexagonal. Five sets of driven side teeth 320 and the horizontal rotating shaft 330 are arranged around the side of the transmission gear disc 310. In this way, it is convenient to suspend and stabilize the horizontal rotating shaft 330 during use, making operation and use more convenient.

[0031] As described in more detail in this embodiment, the bottom of the grinding disc 100 is equipped with a lower cylinder 140, which surrounds the outside of the vibration assembly 300. The lower end of the lower cylinder 140 is equipped with a collection hopper 141, and the bottom end of the collection hopper 141 is connected to a discharge port 142. In this way, during use, it is convenient to perform auxiliary maintenance and collect the ground material in a concentrated manner according to the needs of use.

[0032] As described in more detail in this embodiment, a concentric inner cover 301 is provided inside the lower cylinder 140. The inner cover 301 surrounds the outside of the vibration assembly 300, and the bottom wall of the inner cover 301 is covered and sealed with a bottom sealing plate 302, so that the covering assembly of the vibration assembly 300 does not hinder the material collection.

[0033] Working principle: During assembly and use, the servo motor 240 drives the reducer 230 to rotate, which in turn drives the rotating rod 220 to rotate. This, in turn, drives the central rotating block 210 and the rotating grinding roller 200 to rotate, cooperating with the grinding disc 100 to grind the material. Simultaneously, it drives the transmission gear disc 310 to rotate, meshing with the driven side gear 320. The driven side gear 320 drives the horizontal rotating shaft 330 to rotate, which, with the cooperation of the clamp 340, drives the rubber rod 341 and rubber ball 342 to vibrate the bottom of the grinding disc 100, making it easier to discharge material from the surface of the grinding disc 100. Material is discharged through the material discharge trough 101. During operation, material is fed into the upper cover plate 120 and the upper cylinder 110 through the feeding hopper 122, and then discharged through the guide hopper 121. The material is guided to fall into the middle of the grinding disc 100. When the rotating rod 220 rotates, it is less likely to cause blockage of the bottom through hole of the guide hopper 121. Then the rotating grinding roller 200 rotates in conjunction with the grinding disc 100 to grind the material. The material is then discharged through the discharge chute 101. With the assembly of the crossbeam 250 and the rubber sweeping plate 251, the operation of material discharge is more convenient and less likely to cause residue. The vibration of the rubber rod 341 and the rubber ball 342 makes the operation more convenient. It is easy to collect and centrally discharge the material through the collection hopper 141 and the discharge port 142, making the operation of the vertical mill more convenient. At the same time, with the assembly of the combined rotating grinding roller 200, the wear resistance is enhanced by the wear-resistant layer 204 and the wear-resistant studs 205, and it is also easy to replace and maintain. The operation ends here.

[0034] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A cement vertical mill with an anti-abrasion structure, comprising a grinding disc (100), wherein a support frame (130) is mounted on the side of the grinding disc (100), characterized in that: The grinding disc (100) is provided with rotating grinding rollers (200) on its surface. A central transfer block (210) is provided between the three sets of rotating grinding rollers (200). A rotating rod (220) is inserted and assembled inside the central transfer block (210). A reducer (230) is connected to the upper end of the rotating rod (220) through a coupling (231). A servo motor (240) is assembled at the input end of the reducer (230). A vibration assembly (300) is provided at the bottom of the grinding disc (100). (300) includes a transmission gear plate (310), the transmission gear plate (310) is fixed at the bottom end of the rotating rod (220), the transmission gear plate (310) has a driven side tooth (320) meshing on its side, a transverse rotating shaft (330) is fixed inside the driven side tooth (320), a clamp (340) is fixed in the middle of the transverse rotating shaft (330), a rubber rod (341) is fixed on the outer wall of the clamp (340), and a rubber ball (342) is integrally provided on the outer end of the rubber rod (341).

2. A cement vertical mill with an anti-abrasion structure according to claim 1, characterized in that: The rotating roller (200) comprises an upper roller body (201) and a lower roller body (202), which are assembled by bolts. Corresponding inner grooves (203) are provided on the sides of the upper roller body (201) and the lower roller body (202). A horizontal shaft (211) is mounted inside the upper roller body (201) and the lower roller body (202) via bearings. The horizontal shaft (211) is fixed to the outer wall of the intermediate rotating block (210). A wear-resistant layer (204) is sleeved on the outside of the upper roller body (201) and the lower roller body (202). 4) Wear-resistant studs (205) are integrally cast around the outer wall. Corresponding roller heads (206) are provided on both sides of the wear-resistant layer (204). The roller heads (206) are sleeved on the outer wall of the horizontal shaft (211). The roller heads (206) are assembled with the ends of the upper roller body (201) and the lower roller body (202) by screws. Corresponding side grooves (207) are opened inside the roller heads (206). A side plug gasket (208) is filled between the roller heads (206) and the horizontal shaft (211). The side plug gasket (208) is fixed to the inner wall of the roller heads (206).

3. A cement vertical mill with an anti-abrasion structure according to claim 1, characterized in that: The grinding disc (100) is set with a high center and a low side, and the grinding disc (100) has a material leakage groove (101) evenly opened on the side. The transfer block (210) is integrally fixed with an assembly beam (250) on the side. A rubber sweeping plate (251) is installed below the assembly beam (250). The rubber sweeping plate (251) rests on the surface of the grinding disc (100). The rotating rod (220) is inserted through the middle of the grinding disc (100), and a bottom plug sleeve (102) is filled between the middle of the grinding disc (100) and the rotating rod (220). The bottom plug sleeve (102) is fixed to the inner wall of the middle of the grinding disc (100). A support cylinder (103) is sleeved on the lower end of the rotating rod (220), and the bottom of the support cylinder (103) and the bottom of the rotating rod (220) are assembled by bearings.

4. A cement vertical mill with an anti-corrosion structure according to claim 1, characterized in that: The grinding disc (100) is covered with an upper cylinder (110) on its side. The upper cylinder (110) is covered with an upper cover plate (120). The rotating rod (220) is inserted and mounted on the top center of the upper cover plate (120) through a bearing. The reducer (230) and the servo motor (240) are supported and mounted on the surface of the upper cover plate (120). The bottom of the upper cover plate (120) is fixed with a guide hopper (121), and a through hole is opened in the center of the bottom of the guide hopper (121). The left side surface of the upper cover plate (120) is equipped with a connected feeding hopper (122), and the side of the feeding hopper (122) is supported by an upper bracket (123).

5. A cement vertical mill with an anti-abrasion structure according to claim 1, characterized in that: The horizontal rotating shaft (330) is equipped with bearing hangers (331) at both ends. The bearing hangers (331) are suspended at the bottom of the grinding disc (100). The middle part of the horizontal rotating shaft (330) is integrally fixed with an inner clamping rod (332) corresponding to the clamp (340), and the side section of the inner clamping rod (332) is hexagonal. Five sets of driven side teeth (320) and the horizontal rotating shaft (330) are assembled around the side of the transmission gear disc (310).

6. A cement vertical mill with an anti-corrosion structure according to claim 1, characterized in that: The grinding disc (100) is equipped with a lower cylinder (140) at the bottom, which surrounds the vibrating assembly (300). The lower end of the lower cylinder (140) is equipped with a hopper (141), and the bottom end of the hopper (141) is connected to a discharge port (142).

7. A cement vertical mill with an anti-corrosion structure according to claim 6, characterized in that: The lower cylinder (140) is provided with a concentric inner cover cylinder (301), which surrounds the outside of the vibration assembly (300), and the bottom wall of the inner cover cylinder (301) is covered and sealed with a bottom sealing plate (302).

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