CN219647675U

CN219647675U - Ball mill with buffer structure

Info

Publication number: CN219647675U
Application number: CN202321111794.XU
Authority: CN
Inventors: 郭耀宗; 任家祥; 张钰烽; 谢晓莉
Original assignee: Jinding Mining Co ltd Of Luanchuan County
Current assignee: Jinding Mining Co ltd Of Luanchuan County
Priority date: 2023-05-10
Filing date: 2023-05-10
Publication date: 2023-09-08
Anticipated expiration: 2033-05-10

Abstract

The utility model relates to the technical field of ball mills, in particular to a ball mill with a buffer structure, which comprises a ball mill driving structure and a ball mill tank body for crushing materials, wherein a plurality of buffer mechanisms are fixedly arranged on the inner wall of the ball mill tank body, the outer surface of the ball mill tank body is fixedly connected with an outer sleeve, and the outer surface of the outer sleeve is provided with a discharge hole. The utility model has the advantages that: through setting up buffer gear and outer sleeve, can contact with the buffer board in advance when steel ball and material fall on the one hand to form the buffering effect, can make the dredging plate drive the mediation piece through the continuous whereabouts of steel ball simultaneously and carry out the shutoff to the screening hole, on the other hand buffer gear's fixed box can drive steel ball and material and move about, thereby drop and strike and rub with the material under the effect of gravity when reaching the eminence, when the ball mill jar body rotates simultaneously, the screening board can sieve the material, thereby lets the material that accords with the standard discharge in advance.

Description

Ball mill with buffer structure

Technical Field

The utility model relates to the technical field of ball mills, in particular to a ball mill with a buffer structure.

Background

The ball mill is a machine for crushing bulk materials into powder, a ball mill cylinder rotates during production and drives the materials in the cylinder and the steel balls to rotate to form fall impact movement, and the bulk materials such as ores are made into powder by the mutual impact friction action between the steel balls and the materials and between the materials and the steel balls, so that the raw materials are ground to the required granularity, and the ball mill is adopted in the industries such as metallurgy mine mineral dressing, chemical fertilizer and building materials at present;

in the high-speed ball mill disclosed in Chinese patent CN216826500U, during the grinding process of materials, grinding media slide downwards from the cambered surface of the ball guide roller, and the materials can slide out from the cambered surface of the ball guide roller and can flow through a gap between the ball guide roller and the tank body, so that the height difference between the materials and the grinding media is generated, and the grinding effect is improved;

in the prior art, the wedge-shaped teeth do not have a buffering effect, so that the steel balls and the materials are easy to abrade the wedge-shaped teeth in the process of mutually impacting the wedge-shaped teeth, the service life of the wedge-shaped teeth is shortened, and the materials which are ground at last are poured out together after being ground, so that the materials which are ground at early time are idle in the ball mill, the working efficiency of the ball mill is reduced, and excessive material grinding is caused.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

The utility model aims to overcome the defects of the prior art, solve the problems in the background art and provide a ball mill with a buffer structure.

The aim of the utility model is achieved by the following technical scheme: the ball mill with the buffer structure comprises a ball mill driving structure and a ball mill tank body for crushing materials, wherein a plurality of buffer mechanisms are fixedly arranged on the inner wall of the ball mill tank body, the outer surface of the ball mill tank body is fixedly connected with an outer sleeve, and the outer surface of the outer sleeve is provided with a discharge hole;

the utility model discloses a ball mill, including the ball mill jar body, the inside wall of the ball mill jar body is fixed, the equal sliding connection in one side of fixed box has the screening board, a plurality of screening hole has all been seted up to the inside of screening board, the equal sliding connection in inside of fixed box has the mediation board, the mediation board is close to the equal fixedly connected with mediation piece in position in screening hole, the upside that the fixed box is close to the mediation board all articulates there is the buffer board.

Preferably, the notch has all been seted up to one side that ball mill jar body is close to fixed box, the notch is all linked together with the inside of outer sleeve, can be convenient for accord with the timely discharge of material of standard, avoids the material to smash excessively.

Preferably, the support is all installed to the front and back both sides of ball mill jar body, two the corresponding one side of support is all fixed mounting and is used for controlling the gliding guide rail of screening board, the inside of guide rail is all fixedly connected with lug, and two the inside lug's of support position homogeneous phase is crisscross, can promote the reciprocal activity of screening board.

Preferably, the screening board is close to the guide rail one side all fixedly connected with guide arm, fixed box and ball mill jar body all offer the movable hole in the position that is close to the guide arm, can let guide arm and lug cooperation, promote the reciprocal activity of screening board to increase the screening efficiency to the material.

Preferably, the entrance in screening hole has all offered first chamfer, the second chamfer has all been offered to the one end that the mediation piece is close to the screening hole, mediation piece and screening hole homophase adaptation, on the one hand can be further convenient for accord with the material of standard and get into the screening hole through first chamfer, on the other hand second chamfer can let the mediation piece dredge the screening hole.

Preferably, the first slider of equal fixedly connected with in top of screening board, first spout has all been seted up to one side that the fixed box is close to first slider, the second spout has all been seted up to the both sides that the fixed box is close to the dredging plate, the position that the dredging plate is close to the second spout is equal fixedly connected with second slider, on the one hand through first slider and first spout, can increase the stability when screening board activity, on the other hand through second slider and second spout, can increase the stability when dredging plate activity.

Preferably, all be connected through spring fit between dredging plate and the fixed box, dredging plate's top is the cambered surface, the buffer plate cooperatees with the cambered surface, can make the buffer plate have the cushioning effect to avoid steel ball and material and ball mill jar body inner wall hard contact.

Compared with the prior art, the utility model has the following advantages:

this ball mill with buffer structure, through setting up buffer gear and outer sleeve, the inner wall fixed mounting of ball mill jar body has a plurality of buffer gear, the surface fixedly connected with outer sleeve of ball mill jar body, during the use, steel ball and material can contact with the buffer board in advance when falling, thereby form the buffering effect, can make the dredging plate drive the dredging block through the continuous whereabouts of steel ball and carry out the shutoff to the screening hole simultaneously, and then let fixed box can promote the material and remove, on the other hand buffer gear's fixed box can drive steel ball and material and move, thereby steel ball whereabouts and bump and rub with the material under the effect of gravity when arriving the eminence, during the ball mill jar body rotates simultaneously, the screening board can sieve the material, thereby let the material that accords with the standard discharge in advance, effectively avoid the material to smash excessively, increase ball mill's work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of a tank body of the ball mill;

FIG. 3 is a schematic diagram of the state of a steel ball when the tank body of the ball mill is broken;

FIG. 4 is a schematic view of the structure of the guide rail of the present utility model;

FIG. 5 is a schematic view of the structure of the buffer plate of the present utility model in a first operating state;

FIG. 6 is a schematic structural view of a buffer plate of the present utility model in a second operating state;

fig. 7 is a schematic view of the internal structure of the fixing case of the present utility model.

In the figure: 1. a ball mill driving structure; 2. a ball mill tank; 201. a notch; 3. a buffer mechanism; 301. a fixed box; 3011. a first chute; 3012. a second chute; 302. a screening plate; 3021. a first slider; 303. screening holes; 304. a dredging plate; 3041. a second slider; 305. dredging blocks; 306. a buffer plate; 307. a guide rod; 308. a spring; 4. an outer sleeve; 401. a discharge port; 5. a bracket; 6. a guide rail; 601. and a bump.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Additional aspects and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

As shown in fig. 1-2, the ball mill with the buffer structure comprises a ball mill driving structure 1 and a ball mill tank body 2 for crushing materials, wherein a plurality of buffer mechanisms 3 are fixedly arranged on the inner wall of the ball mill tank body 2, an outer sleeve 4 is fixedly connected with the outer surface of the ball mill tank body 2, a discharge hole 401 is formed in the outer surface of the outer sleeve 4, and materials meeting the standard can be discharged through the discharge hole 401;

as shown in fig. 3-7, buffer mechanism 3 includes fixed box 301, screening plate 302, screening hole 303, dredging plate 304, dredging block 305 and buffer plate 306, the inner wall of ball mill jar body 2 has a plurality of fixed box 301 through screw fixed mounting, the notch 201 has all been seted up to one side that ball mill jar body 2 is close to fixed box 301, fixed box 301 is linked together with the inside of outer sleeve 4 through notch 201, then get into the inside material of fixed box 301 and can discharge through discharge gate 401, the equal sliding connection of one side of fixed box 301 has screening plate 302, the equal fixedly connected with first slider 3021 in top of screening plate 302, the first spout 3011 has all been seted up to one side that fixed box 301 is close to first slider 3021, the shape of first slider 3021 is L shape, can be through the first slider 3021 of L shape and the matched with first spout 3011, stability when sliding around the screening plate 302, the entrance of all having seted up a plurality of screening hole 303, first chamfer has all been seted up in screening hole 303, can let screening hole 303 and the inside screening plate 302 match with fore-aft sliding, the equal sliding screening plate 302 has screening plate 302, thereby the top equal fixedly connected with first slider 3021 at the top of screening plate 302 has been close to first spout 3011, the second slider 3012 has been close to the second spout 304, the equal sliding block 304 has been matched with the second slider 304 in time, the dredging plate 304 has been matched with the second slider 304 in good position is adjacent to the equal opening 304, the bottom of the first slider is adjacent to the first slider 3012, the bottom has been matched with the bottom opening 304, and has been matched with second slider 304, and has been matched with bottom opening 304, and has been matched with top opening 304, and has been matched to be matched to right slider and has, the dredging plate 304 is connected with the fixed box 301 in a matched manner through the springs 308, the top of the dredging plate 304 is an arc surface, the buffer plate 306 is matched with the arc surface, falling steel balls and materials can be received through the buffer plate 306, then the buffer plate 306 can squeeze the arc surface at the top of the dredging plate 304, so that the dredging plate 304 is caused to slide, at the moment, buffer force can be formed by the matched springs 308, vulcanized rubber plate layers are sleeved on the outer surfaces of the fixed box 301 and the dredging plate 304, and therefore abrasion resistance of the fixed box 301 and the dredging plate 304 can be improved, and noise generated when the steel balls and materials are contacted with the fixed box 301 and the dredging plate 304 can be reduced;

as shown in fig. 2, fig. 4 and fig. 5, the front and rear sides of the ball mill tank 2 are respectively provided with a bracket 5, one corresponding side of each bracket 5 is fixedly provided with a guide rail 6 for controlling the sliding of the screening plate 302 through screws, the inside of each guide rail 6 is fixedly connected with a convex block 601, the positions of the convex blocks 601 in each bracket 5 are staggered, one side of the screening plate 302 close to the guide rail 6 is fixedly connected with a guide rod 307, the positions of the fixing box 301 and the ball mill tank 2 close to the guide rod 307 are respectively provided with a movable hole, and the ball mill driving structure 1, the ball mill tank 2 and the bracket 5 in the utility model are all known in the technical field, so the specific structure and the working principle of the ball mill driving structure are not described in detail.

The working process of the utility model is as follows:

s1, when the ball mill tank body 2 rotates, the fixed box 301 of the buffer mechanism 3 drives the steel ball and the material to move, so that the steel ball falls under the action of gravity and collides and rubs with the material when reaching a high place;

s2, the steel ball and the material are contacted with the buffer plate 306 in advance when falling down, so that a buffer effect is formed;

s3, the dredging plate 304 can drive the dredging block 305 to plug the screening hole 303 through continuous falling of the steel ball, so that the fixed box 301 can push materials to move, and meanwhile, the dredging block 305 can play a role in dredging after entering the screening hole 303, and the screening hole 303 is prevented from being blocked by the materials;

s4, when the guide rod 307 of the screening plate 302 contacts with the convex block 601, the screening plate 302 is enabled to continuously slide forwards and backwards, so that the screening plate 302 screens materials, and the materials meeting the standard can enter the fixed box 301;

s5, the materials in the fixed box 301 can be discharged into the outer sleeve 4 through the notch 201, and then the materials are discharged when the discharge hole 401 of the outer sleeve 4 faces downwards.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A ball mill with buffer structure, its characterized in that: the ball mill comprises a ball mill driving structure (1) and a ball mill tank body (2) for crushing materials, wherein a plurality of buffer mechanisms (3) are fixedly arranged on the inner wall of the ball mill tank body (2), an outer sleeve (4) is fixedly connected to the outer surface of the ball mill tank body (2), and a discharge hole (401) is formed in the outer surface of the outer sleeve (4);

the buffer mechanism (3) comprises a fixed box (301), a screening plate (302), screening holes (303), a dredging plate (304), dredging blocks (305) and a buffer plate (306), wherein a plurality of fixed boxes (301) are fixedly arranged on the inner wall of the ball mill tank body (2), one sides of the fixed boxes (301) are all connected with the screening plate (302) in a sliding mode, a plurality of screening holes (303) are formed in the screening plate (302), dredging plates (304) are all connected with the inside of the fixed boxes (301) in a sliding mode, dredging blocks (305) are fixedly connected to the positions, close to the screening holes (303), of the dredging plates (304), and buffer plates (306) are hinged to the upper sides, close to the dredging plates (304), of the fixed boxes (301).

2. A ball mill with a buffer structure according to claim 1, characterized in that: the ball mill tank body (2) is close to one side of the fixed box (301) and is provided with a notch (201), and the notch (201) is communicated with the inside of the outer sleeve (4).

3. A ball mill with a buffer structure according to claim 1, characterized in that: the ball mill is characterized in that the front side and the rear side of the ball mill tank body (2) are respectively provided with a support (5), one side corresponding to each support (5) is respectively fixedly provided with a guide rail (6) for controlling the sliding of the screening plate (302), the inside of each guide rail (6) is respectively fixedly connected with a lug (601), and the positions of the lugs (601) in the supports (5) are staggered.

4. A ball mill having a buffer structure according to claim 3, wherein: one side of the screening plate (302) close to the guide rail (6) is fixedly connected with a guide rod (307), and movable holes are formed in positions of the fixed box (301) and the ball mill tank body (2) close to the guide rod (307).

5. A ball mill with a buffer structure according to claim 1, characterized in that: the entrance of screening hole (303) has all seted up first chamfer, the second chamfer has all been seted up to the one end that is close to screening hole (303) of mediation piece (305), mediation piece (305) and screening hole (303) homophase adaptation.

6. A ball mill with a buffer structure according to claim 1, characterized in that: the top of screening board (302) is all fixedly connected with first slider (3021), first spout (3011) have all been seted up to one side that fixed box (301) is close to first slider (3021), second spout (3012) have all been seted up to both sides that fixed box (301) are close to dredging board (304), dredging board (304) are close to the equal fixedly connected with second slider (3041) in the position of second spout (3012).

7. A ball mill with a buffer structure according to claim 1, characterized in that: the dredging plate (304) is connected with the fixing box (301) in a matched mode through springs (308), the tops of the dredging plate (304) are arc surfaces, and the buffer plate (306) is matched with the arc surfaces of the dredging plate (304).