Efficient ball mill capable of improving discharging fineness

Abstract

The utility model discloses an efficient ball mill capable of improving the fineness of discharged materials, and relates to the technical field of ball mills. The grinding assembly comprises a rotary drum; a plurality of screening partition plates are integrally arranged in the rotary drum; an inner cavity of the rotary drum is sequentially provided with a first grinding cavity, a second grinding cavity, a third grinding cavity and a fourth grinding cavity through a plurality of screening partition plates; a grinding medium is arranged in each grinding cavity; during grinding, the driving structure drives the rotating shaft to realize rotation of the rotating drum, and in the grinding process, the densities of the screening partition plates are sequentially increased from the first grinding cavity to the fourth grinding cavity, so that the fineness of materials is effectively and gradually reduced in the grinding process, and the fineness of discharged materials during working of the equipment is effectively improved; and the grinding quality is improved while the production efficiency is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball mill technical field, specifically is a kind of high-efficiency ball mill of improving the fineness of discharge. BACKGROUND

[0002] Ball mill is a kind of equipment for grinding and crushing various solid materials;Ball mill is widely used in cement, silicate products, new building materials, refractory materials, chemical fertilizers, ferrous and non-ferrous metal ore dressing and glass ceramics production industry, can be used to process various mineral raw materials, and other grindability materials are dry or wet grinding, and the size of grinding medium can be conveniently adjusted according to the use occasion, which can be used for coarse grinding, fine grinding and ultrafine grinding occasions;

[0003] The existing traditional ball mill is ground to the material, and the medium in the inside is filled to realize the collision between the material and the medium, so as to realize the grinding effect, but the existing ball mill cannot grind the material more finely when working, and the particle size of the material after grinding is large, so the existing ball mill cannot effectively improve the grinding quality when grinding the material with high grinding requirement.

[0004] After searching, the patent publication number CN202321468689.1 discloses a fine grinding ball mill;Including rack, the top of the two sides of the rack is respectively installed with first shaft seat and second shaft seat, the first shaft seat and the second shaft seat are movably installed with ball mill body;Feeding port and discharge port, the feeding port is arranged on the side of the ball mill body close to the first shaft seat, the discharge port is arranged on the side of the ball mill body away from the feeding port;Filter box, the filter box is arranged at the bottom end of the discharge port, the second motor is fixedly installed outside the bottom end of the side of the filter box close to the rack, the top end of the filter box is internally provided with a screen, and the second motor is provided with an auger at the inner end of the filter box;

[0005] When the ball mill in the above patent is ground, the ground material is introduced into the top end surface of one side of the screen through the guide shell, and then the small particle material is filtered through the screen and falls on the guide plate, and then enters the inner bottom end of the filter box along the channel, and the large particle material is introduced into the supporting plate along the screen, and then is collected at the bottom end of the supporting plate through the collecting device, at this time, the second motor is started, the output shaft of the second motor drives the auger to rotate after the second motor is started, the auger drives the filtered material to be discharged along the discharge hopper after rotating, and the large particle material is collected again and then put into the ball mill from the position of the feeding port for secondary grinding after the material to be ground, so that the fineness of the ground material can be improved, and the large particle material is put into the ball mill for grinding processing again after screening, which is time-consuming and laborious, and cannot effectively improve the grinding quality of the ball mill itself. UTILITY MODEL CONTENTS

[0006] The utility model discloses a high -efficient ball mill of improving the fineness of discharge, in this structure, the material is added to the first grinding cavity inside the rotary drum through the feed inlet, and the rotation of the rotary drum is driven, when the rotary drum rotates, the internal grinding medium and the material rotate simultaneously, realize the grinding of material, in the process of grinding, the fine material is effectively screened through the screening partition plate between the first grinding cavity and the second grinding cavity, realizes the fine material into the second grinding cavity, and then the grinding medium in the second grinding cavity is used to grind the material, and so on, realize that the material is in turn through the first grinding cavity, the second grinding cavity and the third grinding cavity and then enters the fourth grinding cavity in the process of grinding, the side wall of the fourth grinding cavity is provided with the discharge hole, realizes the material of grinding completion and is discharged to the discharge port of the ball mill cylinder bottom through the discharge hole, so when grinding through the ball mill, the quality and efficiency of grinding are effectively improved, and the effect of secondary adding and grinding of the material is not needed, to solve the problem of the above background art.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A high -efficient ball mill of improving the fineness of discharge, including two symmetrical ball mill, the ball mill includes ball mill cylinder, the grinding assembly is installed in the ball mill, the grinding assembly includes rotary drum, the inner wall of rotary drum is arc surface, the rotary drum is integrally provided with a plurality of screening partition plates, the inner cavity of rotary drum is provided with first grinding cavity, second grinding cavity, third grinding cavity and fourth grinding cavity in turn through a plurality of screening partition plates, and the grinding medium is arranged in the grinding cavity,

[0009] The density of screen hole on the plurality of screening partition plates in the rotary drum increases in turn, and a plurality of discharge holes are formed in the side wall of the fourth grinding cavity.

[0010] As a further technical scheme of the utility model, the two ends of the rotary drum are installed in the ball mill cylinder in cooperation with the bearing, the feed inlet is formed in the top of the ball mill cylinder, the discharge port is formed in the bottom, and the discharge port is located in the end of the rotary drum with the discharge hole.

[0011] As a further technical scheme of the utility model, the cover plate is installed on the side wall of the end of the rotary drum away from the discharge hole, the rotary shaft of the one end of the rotary drum is fixedly installed with the driving structure, and the driving structure is fixedly installed on the base.

[0012] As a further technical scheme of the utility model, the two ends of the ball mill are installed with the support in cooperation, and the support is fixedly installed on the top of the base.

[0013] As a further technical scheme of the utility model, the top frame is fixedly installed on the base; a filler cylinder is arranged on the top frame; the filler cylinder cooperates with the feeding port; and the top frame is located on the outer side of the ball mill.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. In use, the material is added into the first grinding cavity in the rotary drum through the filler cylinder by the cargo winch device installed on the top frame, and after the material addition is completed, the cover plate is fixed with the rotary drum to avoid the leakage of the material during grinding, thereby improving the safety performance.

[0016] 2. In grinding, the driving structure drives the rotating shaft to rotate the rotary drum, the grinding effect is generated between the grinding medium in the first grinding cavity and the material, and in the grinding process, the material ground to a small size in the first grinding cavity is separated by the screening partition plate and enters the second grinding cavity, the material in the second grinding cavity is ground with the grinding medium in the second grinding cavity, and the process is repeated until the material is ground to a smaller size and enters the fourth grinding cavity, and after the material enters the fourth grinding cavity, the material is discharged through the discharge hole formed in the rotary drum by the rotation of the rotary drum.

[0017] 3. In the grinding process, the density of the plurality of screening partition plates gradually increases from the first grinding cavity to the fourth grinding cavity, which effectively realizes that the fineness of the material gradually decreases during grinding, thereby effectively improving the fineness of the discharged material during the operation of the equipment, ensuring the production efficiency and improving the grinding quality. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic view of the three-dimensional structure of the utility model.

[0019] Figure 2 is another perspective view of the structure of the utility model Figure 1 .

[0020] Figure 3 is a bottom structure schematic view of the utility model Figure 1 .

[0021] Figure 4 is a ball mill cylinder and grinding assembly assembly schematic view of the utility model Figure 1 .

[0022] Figure 5 is a split schematic view of the utility model Figure 4 .

[0023] Figure 6 is a front view of the utility model Figure 3 .

[0024] Figure 7 is the A-A sectional view of the utility model Figure 6 .

[0025] Figure 8 is the internal structure schematic view of the grinding assembly in the utility model Figure 5 .

[0026] In the figure: 1-base, 2-driving structure, 3-stuffing tube, 4-ball mill, 40-ball mill barrel, 41-feed inlet, 42-discharge outlet, 5-supporting seat, 6-top frame, 7-grinding assembly, 70-rotating shaft, 71-cover plate, 72-rotating drum, 73-discharge hole, 74-first grinding cavity, 75-second grinding cavity, 76-third grinding cavity, 77-fourth grinding cavity, 78-retaining ring, 79-grinding medium, 710-screening partition plate. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Please refer to Figures 1-8 , in the embodiments of the utility model, an efficient ball mill for improving the fineness of discharge comprises two symmetrical ball mills 4; the ball mill 4 comprises a ball mill barrel 40; a grinding assembly 7 is installed in the ball mill 4 in cooperation; the grinding assembly 7 comprises a rotating drum 72; the inner wall of the rotating drum 72 is provided in an arc surface; a plurality of screening partition plates 710 are integrally provided in the rotating drum 72; the inner cavity of the rotating drum 72 is sequentially provided with a first grinding cavity 74, a second grinding cavity 75, a third grinding cavity 76 and a fourth grinding cavity 77 through the plurality of screening partition plates 710; a plurality of grinding cavities are provided with grinding medium 79 inside;

[0029] The density of the screen holes provided on the plurality of screening partition plates 710 in the rotating drum 72 increases sequentially; a plurality of discharge holes 73 are provided on the side wall of the fourth grinding cavity 77;

[0030] Both ends of the rotating drum 72 are installed in the ball mill barrel 40 in cooperation through bearings; a feed inlet 41 is provided on the top of the ball mill barrel 40; a discharge outlet 42 is provided on the bottom; wherein, the discharge outlet 42 is located at one end of the rotating drum 72 provided with the discharge hole 73.

[0031] By adopting the above technical scheme, in use, the material is added into the first grinding cavity 74 inside the rotary drum 72 through the filling cylinder 3 by the crane device installed on the top frame 6, and after the material addition is completed, the cover plate 71 is fixed with the rotary drum 72, so that the material leakage during grinding is avoided.

[0032] The rotary drum 72 is cooperatively installed with the cover plate 71 on the side wall of the end away from the material discharge hole 73, the rotary shaft 70 at one end of the rotary drum 72 is fixedly installed with the driving structure 2, and the driving structure 2 is fixedly installed on the base 1.

[0033] In the embodiment, the two ends of the ball mill 4 are cooperatively installed with the support base 5, and the support base 5 is fixedly installed on the top of the base 1.

[0034] By adopting the above technical scheme, in grinding, the rotary shaft 70 is driven by the driving structure 2 to rotate the rotary drum 72, the grinding effect is generated between the grinding medium 79 inside the first grinding cavity 74 and the material, in the grinding process, the material ground to a small size inside the first grinding cavity 74 is separated by the screen separation plate 710 and enters the second grinding cavity 75, the material inside the second grinding cavity 75 is ground by the grinding medium 79 inside the second grinding cavity 75, and the process is sequentially repeated until the material is ground to a smaller size and enters the fourth grinding cavity 77, and after the material enters the fourth grinding cavity 77, the material is discharged through the material discharge hole 73 formed in the rotary drum 72 by the rotation of the rotary drum 72.

[0035] In the embodiment, the base 1 is also fixedly installed with the top frame 6, the top frame 6 is provided with the filling cylinder 3, the filling cylinder 3 cooperates with the feeding port 41, and the top frame 6 is located outside the ball mill 4.

[0036] By adopting the above technical scheme, in the grinding process, the density of the plurality of screen separation plates 710 gradually increases from the first grinding cavity 74 to the fourth grinding cavity 77, so that the fineness of the material gradually decreases during grinding, thereby effectively improving the fineness of the discharged material during the operation of the equipment, ensuring the production efficiency and improving the grinding quality.

[0037] The working principle of the utility model is: in use, the material is added into the first grinding cavity 74 inside the rotary drum 72 through the filling cylinder 3 by the crane device installed on the top frame 6, and after the material addition is completed, the cover plate 71 is fixed with the rotary drum 72, so that the material leakage during grinding is avoided.

[0038] In the process of grinding, the driving structure 2 drives the rotating shaft 70 to rotate the drum 72, and the grinding medium 79 in the first grinding cavity 74 and the material produce grinding effect, in the process of grinding, the small material in the first grinding cavity 74 is separated by the sieve partition plate 710 and enters the second grinding cavity 75, the material in the second grinding cavity 75 is ground by the grinding medium 79 in the second grinding cavity 75, and the grinding process is repeated until the material is ground into a smaller state and enters the fourth grinding cavity 77, after the material enters the fourth grinding cavity 77, the material is discharged through the discharge hole 73 of the drum 72 by rotating the drum 72.

[0039] In the process of grinding, the density of the plurality of sieve partition plates 710 increases from the first grinding cavity 74 to the fourth grinding cavity 77, so that the fineness of the material gradually decreases in the process of grinding, thereby effectively improving the fineness of the discharged material during the operation of the equipment, ensuring the production efficiency and improving the grinding quality.

[0040] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

[0041] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A high efficiency ball mill for improving the fineness of discharge, characterised in that: The application relates to a symmetrical ball mill (4) comprising a ball mill barrel (40), wherein a grinding assembly (7) is arranged in the ball mill (4) in a matched mode; the grinding assembly (7) comprises a rotating drum (72), the inner wall of the rotating drum (72) is arc-shaped, a plurality of screen partition plates (710) are arranged in the rotating drum (72) in an integrated mode, the inner cavity of the rotating drum (72) is sequentially provided with a first grinding cavity (74), a second grinding cavity (75), a third grinding cavity (76) and a fourth grinding cavity (77) through the screen partition plates (710), and grinding media (79) are arranged in the grinding cavities. The density of screen holes arranged on the screen partition plates (710) in the rotating drum (72) is sequentially increased, and a plurality of discharge holes (73) are arranged on the side wall of the fourth grinding cavity (77).

2. A high efficiency ball mill for improving the fineness of discharge according to claim 1, characterized in that: The two ends of the rotating drum (72) are arranged in the ball mill barrel (40) in a matched mode through bearings, a feeding port (41) is arranged on the top of the ball mill barrel (40), a discharging port (42) is arranged on the bottom of the ball mill barrel (40), and the discharging port (42) is arranged at one end of the rotating drum (72) provided with the discharge hole (73).

3. A high efficiency ball mill for improving the fineness of discharge as claimed in claim 1 wherein: A cover plate (71) is arranged on the side wall of the other end of the rotating drum (72) away from the discharge hole (73) in a matched mode, a rotating shaft (70) at one end of the rotating drum (72) is fixedly arranged with a driving structure (2), and the driving structure (2) is fixedly arranged on a base (1).

4. A high efficiency ball mill for improving the fineness of discharge according to claim 3, characterized in that: The two ends of the ball mill (4) are arranged in a matched mode with a support (5), and the support (5) is fixedly arranged on the top of the base (1).

5. A high efficiency ball mill for improving the fineness of discharge according to claim 4, characterized in that: A top frame (6) is further fixedly arranged on the base (1), a filling barrel (3) is arranged on the top frame (6), the filling barrel (3) is matched with the feeding port (41), and the top frame (6) is arranged outside the ball mill (4).

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