A ball mill for producing gypsum powder

Abstract

The utility model relates to the technical field of gypsum powder production, and specifically discloses a ball mill for gypsum powder production, including a ball mill body, a feed end of the ball mill body rotatably connected with a raw material processing mechanism for crushing and transporting gypsum raw materials, the raw material processing mechanism including a support assembly, a crushing assembly arranged on the support assembly, a feeding assembly arranged on the lower side of the crushing assembly, and the feeding assembly rotatably connected with the feed end of the ball mill body. Through the setting of the raw material processing mechanism rotatably connected with the feed end of the ball mill body, the gypsum raw material is added to the crushing box and crushed by the crushing roller, falls through the upper screen, and then rotates with the rotating knife on the shredding shaft and shredded with the fixed knife, and then enters the feeding barrel through the lower screen, rotates through the auger shaft, and is fed into the feed end of the ball mill body, so that the gypsum raw material is fed into the ball mill body after being crushed and screened, avoiding the sorting and classification in the early stage, making the raw materials entering the ball mill body basically consistent, and improving the processing efficiency of ball milling.

Description

Technical Field

[0001] The utility model relates to the technical field of gypsum powder production, in particular to a ball mill for gypsum powder production. Background Art

[0002] The ball mill is composed of the feeding part, discharging part, rotating part, transmission part (reducer, small transmission gear, motor, electronic control) and other main parts. The hollow shaft is made of cast steel, the inner lining is removable, the rotating large gear is made of cast gear hobbing, and the cylinder is inlaid with wear-resistant lining, which has good wear resistance. When the existing gypsum powder is ball milled, the crushed gypsum raw materials need to be sorted and collected and added to the feeding part, and then discharged after being ground by steel balls. This makes the collection and sorting process of the crushed raw materials troublesome, causing trouble in the early stage of ball milling and affecting the processing efficiency. Utility Model Content

[0003] The purpose of the utility model is to provide a ball mill for producing gypsum powder in order to solve the above problems.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0005] A ball mill for producing gypsum powder comprises a ball mill body, a feed end of the ball mill body is rotatably connected to a raw material processing mechanism for crushing and transporting gypsum raw materials, the raw material processing mechanism comprises a support assembly, a crushing assembly is arranged on the support assembly, a feeding assembly is arranged on the lower side of the crushing assembly, and the feeding assembly is rotatably connected to the feed end of the ball mill body; the support assembly comprises a support frame, a crushing box is fixed on the support frame, a feeding hopper is arranged at the upper end of the crushing box, and the crushing assembly comprises three crushing rollers arranged in the crushing box, and the crushing rollers are triangular The crushing rollers are arranged horizontally on the upper side of the other crushing rollers, an upper screen is arranged on the lower side of the crushing rollers, a shredding shaft is arranged on the lower side of the upper screen, rotating knives are arranged on the outer diameter of the shredding shaft in the crushing box, and fixed knives are arranged on the inner wall of the crushing box at intervals from the rotating knives. The crushing rollers and the ends of the shredding shaft are connected with a power assembly, a lower screen is arranged on the crushing box at the lower side of the shredding shaft, and the feeding assembly includes a feeding barrel connected to the lower end of the crushing box, an auger shaft is arranged in the feeding barrel, and one end of the auger shaft extends out of the feeding barrel and is connected with the power assembly.

[0006] Further configuration: the power assembly includes a first gear fixed at the ends of two horizontal crushing rollers, one of the horizontal crushing rollers and the other end of the crushing roller on the lower side are provided with a second gear that meshes with each other, one end of the lower crushing roller is connected to a motor, a first sprocket is provided on one side of the second gear, a double sprocket is provided at the end of the shredding shaft corresponding to the first sprocket, and a second sprocket is fixed to the end of the auger shaft away from the ball mill body.

[0007] It is further arranged that the crushing roller is rotatably connected with the crushing box, the first gears are meshed with each other, and a chain is installed between the double sprocket and the first sprocket and the second sprocket.

[0008] Further configuration: the shredder shaft is rotatably connected to the crushing box, and the auger shaft is rotatably connected to the feeding barrel.

[0009] Further setting: the mesh number of the upper sieve is smaller than the mesh number of the lower sieve.

[0010] Further configuration: an inclined plate inclined toward the middle is arranged on the inner wall of the crushing box and located on the upper side of the crushing roller.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] Through the setting of the raw material processing mechanism rotatably connected to the feeding end of the ball mill body, the gypsum raw material is added into the crushing box, crushed by the crushing roller, falls through the upper screen, and then rotates through the rotating knife on the shredding shaft, and shreds the fallen gypsum raw material with the fixed knife, and then enters the feeding barrel through the lower screen, and is fed into the feeding end of the ball mill body through the rotation of the auger shaft in the feeding barrel, so that the gypsum raw material is fed into the ball mill body after being crushed and screened, avoiding the early sorting and classification, making the raw materials entering the ball mill body basically consistent, and improving the processing efficiency of ball milling. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0014] Figure 1 It is an axonometric diagram of a ball mill for producing gypsum powder described in the utility model;

[0015] Figure 2 It is a structural schematic diagram of a raw material processing mechanism of a ball mill for producing gypsum powder according to the utility model;

[0016] Figure 3 It is a right-side cross-sectional structural schematic diagram of a raw material processing mechanism of a ball mill for producing gypsum powder according to the utility model;

[0017] Figure 4 It is a half-section structural schematic diagram of a raw material processing mechanism of a ball mill for producing gypsum powder according to the utility model;

[0018] Figure 5 The utility model is a schematic diagram of the internal structure of a crushing box of a ball mill for producing gypsum powder.

[0019] The following are the descriptions of the reference numerals:

[0020] 1. Ball mill body; 21. Support assembly; 211. Support frame; 212. Crushing box; 213. Feeding hopper; 22. Crushing assembly; 221. Crushing roller; 222. First gear; 223. Second gear; 224. First sprocket; 225. Motor; 226. Chopping shaft; 227. Rotating knife; 228. Fixed knife; 229. Upper screen; 2210. Lower screen; 2211. Double sprocket; 23. Feeding assembly; 231. Feeding barrel; 232. Auger shaft; 233. Second sprocket. DETAILED DESCRIPTION

[0021] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0023] The utility model is further described below in conjunction with the accompanying drawings:

[0024] like Figure 1-Figure 5 As shown, a ball mill for producing gypsum powder includes a ball mill body 1, and a raw material processing mechanism for crushing and transporting gypsum raw materials is rotatably connected to the feed end of the ball mill body 1.

[0025] In this embodiment: the raw material processing mechanism includes a support assembly 21, a crushing assembly 22 is arranged on the support assembly 21, a feeding assembly 23 is arranged at the lower side of the crushing assembly 22, and the feeding assembly 23 is rotatably connected to the feeding end of the ball mill body 1;

[0026] The support assembly 21 includes a support frame 211, a crushing box 212 is fixed on the support frame 211, and a feeding hopper 213 is provided at the upper end of the crushing box 212, so as to facilitate the addition of gypsum raw materials into the crushing box 212 through the feeding hopper 213;

[0027] The crushing assembly 22 includes three crushing rollers 221 arranged in the crushing box 212. The crushing rollers 221 are distributed in a triangular shape. Two crushing rollers 221 are horizontally arranged on the upper side of another crushing roller 221. An upper screen 229 is arranged on the lower side of the crushing roller 221. A shredder shaft 226 is arranged on the lower side of the upper screen 229. A rotating knife 227 is arranged on the outer diameter of the shredder shaft 226 in the crushing box 212. A rotating knife 227 is arranged on the inner wall of the crushing box 212. There is a fixed knife 228, and the ends of the crushing roller 221 and the shredding shaft 226 are connected with a power assembly. A lower screen 2210 is provided on the crushing box 212 at the lower side of the shredding shaft 226, and the shredding shaft 226 is rotatably connected to the crushing box 212; the mesh number of the upper screen 229 is smaller than the mesh number of the lower screen 2210, and an inclined plate inclined toward the middle is provided on the inner wall of the crushing box 212 at the upper side of the crushing roller 221, so that the added gypsum raw material falls between the relatively rotating crushing rollers 221 for crushing.

[0028] The feeding assembly 23 includes a feeding barrel 231 connected to the lower end of the crushing box 212, and an auger shaft 232 is arranged in the feeding barrel 231. The auger shaft 232 is rotatably connected to the feeding barrel 231. One end of the auger shaft 232 extends out of the feeding barrel 231 and is fixed with a second sprocket 233, so that when the auger shaft 232 rotates, the fallen gypsum raw material is fed into the ball mill body 1.

[0029] The power assembly includes a first gear 222 fixed at the ends of two horizontal crushing rollers 221, wherein one horizontal crushing roller 221 and the other end of the crushing roller 221 on the lower side are provided with a second gear 223 meshing with each other, one end of the crushing roller 221 on the lower side is connected to a motor 225, a first sprocket 224 is provided on one side of the second gear 223, and a double sprocket 2211 is provided at the end of the shredding shaft 226 at a position corresponding to the first sprocket 224; the crushing roller 221 is rotatably connected to the crushing box 212, the first gear 222 is meshed with each other, a chain is installed between the double sprocket 2211 and the first sprocket 224 and the second sprocket 233, and the crushing roller 221 is relatively rotated through the meshing of the second gear 223 and the meshing of the first gear 222 by the operation of the motor 225, and at the same time, the transmission of the first sprocket 224 and the double sprocket 2211, and the double sprocket 2211 and the second sprocket 233 drives the shredding shaft 226 and the auger shaft 232 to rotate, thereby realizing the transmission of power.

[0030] The working principle and use process of the utility model are as follows: before the gypsum raw material is added to the ball mill body 1, it is first poured into the feeding hopper 213 of the raw material processing mechanism, and the motor 225 works through the meshing of the second gear 223 and the meshing of the first gear 222, so that the crushing roller 221 rotates relatively to crush the falling gypsum raw material, and the crushed gypsum raw material falls through the upper screen 229, and is driven by the first sprocket 224 and the double sprocket 2211 to drive the rotating knife 22 on the shredding shaft 226. 7 rotates, and chops the fallen gypsum raw materials with the fixed knife 228, and then enters the feeding tube 231 through the lower screen 2210. The auger shaft 232 in the feeding tube 231 rotates through the transmission of the double sprocket 2211 and the second sprocket 233, and the fallen gypsum raw materials are fed into the feeding end of the ball mill body 1, so that the gypsum raw materials are fed into the ball mill body 1 after being crushed and screened, avoiding the early sorting and classification, making the raw materials entering the ball mill body 1 basically consistent, and improving the processing efficiency of ball milling.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A ball mill for producing gypsum powder, comprising a ball mill body (1), wherein a feed end of the ball mill body (1) is rotatably connected to a raw material processing mechanism for crushing and transporting gypsum raw materials, wherein the raw material processing mechanism comprises a support assembly (21), wherein a crushing assembly (22) is arranged on the support assembly (21), and a feeding assembly (23) is arranged at the lower side of the crushing assembly (22), and the feeding assembly (23) is rotatably connected to the feed end of the ball mill body (1); the support assembly (21) comprises a support frame (211), wherein a crushing box (212) is fixed on the support frame (211), and a feeding hopper (213) is arranged at the upper end of the crushing box (212), and the crushing assembly (22) comprises three crushing rollers (221) arranged in the crushing box (212), wherein the crushing rollers (221) are distributed in a triangular shape, wherein two of the crushing rollers (221) are horizontally arranged at the other end. An upper screen (229) is arranged on the upper side of the crushing roller (221) and the lower side of the crushing roller (221), a chopping shaft (226) is arranged on the lower side of the upper screen (229), a rotating knife (227) is arranged on the outer diameter of the chopping shaft (226) and is located inside the crushing box (212), a fixed knife (228) is arranged on the inner wall of the crushing box (212) and is spaced from the rotating knife (227), and the crushing roller (221) The end of the shredder shaft (226) is connected to a power assembly, a lower screen (2210) is provided on the crushing box (212) at the lower side of the shredder shaft (226), the feeding assembly (23) comprises a feeding barrel (231) connected to the lower end of the crushing box (212), an auger shaft (232) is provided in the feeding barrel (231), and one end of the auger shaft (232) extends out of the feeding barrel (231) and is connected to the power assembly.

2. A ball mill for producing gypsum powder according to claim 1, characterized in that: The power assembly comprises a first gear (222) fixed at two ends of the crushing roller (221) at horizontal locations, wherein one of the horizontal crushing rollers (221) and the other end of the crushing roller (221) at the lower side are provided with a second gear (223) meshing with each other, one end of the crushing roller (221) at the lower side is connected to a motor (225), a first sprocket (224) is provided on one side of the second gear (223), a double sprocket (2211) is provided at a position corresponding to the first sprocket (224) at the end of the shredder shaft (226), and a second sprocket (233) is fixed at one end of the auger shaft (232) away from the ball mill body (1).

3. A ball mill for producing gypsum powder according to claim 2, characterized in that: The crushing roller (221) is rotatably connected to the crushing box (212), the first gears (222) are meshed with each other, and a chain is installed between the double sprocket (2211) and the first sprocket (224) and the second sprocket (233).

4. A ball mill for producing gypsum powder according to claim 3, characterized in that: The chopping shaft (226) is rotatably connected to the crushing box (212), and the auger shaft (232) is rotatably connected to the feeding cylinder (231).

5. A ball mill for producing gypsum powder according to claim 1, characterized in that: The mesh number of the upper sieve (229) is smaller than the mesh number of the lower sieve (2210).

6. A ball mill for producing gypsum powder according to claim 1, characterized in that: An inclined plate inclined toward the middle is provided on the inner wall of the crushing box (212) and located on the upper side of the crushing roller (221).

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