Rib plate structure of high-strength ball mill

Abstract

The utility model discloses a high-strength ball mill rib plate structure which comprises a ball mill shell, two ends of the ball mill shell are fixedly connected with rotating shafts, the outer surface of the ball mill shell is sleeved with a driven gear and is fixedly connected with the driven gear, and a plurality of mounting holes are formed in the side wall of the ball mill shell. A plurality of rib plate bodies are arranged in the ball mill shell, two connecting holes which are respectively aligned with the two mounting holes are formed in each rib plate body, fixing bolts are arranged in the connecting holes, screw rods of the fixing bolts are sleeved with nuts in a thread fit manner, and the structures of the upper ends and the lower ends of the rib plate bodies are mutually symmetrical; due to the fact that the upper end and the lower end of the rib plate body are designed to be of the symmetrical structure, when the end face of the rib plate body is abraded, the rib plate body can be turned over to be installed, continuous use of the rib plate body can be guaranteed, and the service life of the rib plate is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball mill technical field, concretely is a kind of high-strength ball mill web structure. BACKGROUND

[0002] Ball mill is by horizontal barrel, inlet and outlet hollow shaft and mill head etc. When ball mill barrel rotates, grinding body is due to inertia and centrifugal force, the action of friction, make it attached to barrel lining and be taken away by barrel, when being taken to certain height, due to its own gravity and be thrown, falling grinding body like projectile will crush the material in barrel.

[0003] According to the Chinese patent document with the announcement number CN209849012U, a kind of ball mill lining structure, it is related to material crushing equipment technical field, including multiple groups of lining plate group;Each group of the lining plate group includes several lining plates and a pair of pressing strip, the lining plate includes connecting portion and working portion, the working portion of multiple groups of lining plate group is sequentially arranged in the inner wall of the ball mill barrel, the working portion of multiple groups of lining plate group is spliced and presents the circular ring shape coaxial with ball mill barrel;The connecting portion is arranged in the working portion two sides along the circumferential direction of the ball mill barrel, the pressing strip of each group of lining plate group is connected with all lining plates of this group by the connecting portion;The utility model design is reasonable, effectively reduce the cost of damage and the difficulty of repair.

[0004] But the web (i.e. lining plate) in the above-mentioned device when using, when its outer surface is subjected to more serious abrasion, it needs to be replaced, cannot be used twice, make the service life of web lower.Therefore, a kind of high-strength ball mill web structure is presented. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high-strength ball mill web structure to solve the problems presented in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of high-strength ball mill web structure, including ball mill shell, the both ends of the ball mill shell are fixedly connected with rotating shaft, the outer surface of the ball mill shell is equipped with driven gear and is fixedly connected with driven gear, the sidewall of the ball mill shell is equipped with multiple mounting holes, the inside of the ball mill shell is provided with multiple web bodies, two connecting holes in alignment with two mounting holes are formed in the web body, fixed bolt is arranged in the connecting hole, nut is sleeved on the screw rod of fixed bolt by thread cooperation, the structure of the upper and lower ends of the web body is mutually symmetrical.

[0007] As a further preferred of the technical solution, the upper surface of the rib plate body is provided with a first arc surface in the middle, and the upper surface of the rib plate body is provided with a second arc surface on both sides; the first arc surface is outwardly convex, and the second arc surface is inwardly concave; the second arc surfaces between the two adjacent rib plate bodies form a groove.

[0008] As a further preferred of the technical solution, a buffer pad is arranged between the rib plate body and the ball mill shell, and a matching hole is arranged on the buffer pad and aligned with the connecting hole.

[0009] As a further preferred of the technical solution, the buffer pad is made of rubber material, and the upper surface of the buffer pad is matched with the outer surface of the rib plate body.

[0010] As a further preferred of the technical solution, two limiting grooves are arranged at the upper and lower ends of the rib plate body, the limiting grooves are arranged at the end of the connecting hole, the limiting grooves are matched with the nuts of the fixing bolts, and the nuts of the fixing bolts are non-circular structures.

[0011] As a further preferred of the technical solution, a gasket is arranged between the nut and the ball mill shell, and the inner ring diameter of the gasket is greater than the screw rod diameter of the fixing bolt.

[0012] As a further preferred of the technical solution, one end of the gasket close to the ball mill shell is arranged as an arc surface matched with the outer surface of the ball mill shell, and the other end of the gasket away from the ball mill shell is arranged as a plane structure.

[0013] The utility model provides a high strength ball mill rib plate structure has the following beneficial effects:

[0014] The utility model discloses a rib plate body upper and lower ends are designed as the structure of mutual symmetry, can when the end face of rib plate body appears abrasion, and the rib plate body is installed by turning over, can guarantee the sustained use of rib plate body to improve the service life of rib plate effectively. Meanwhile, through the unique structure design of rib plate body, the second arc surface between the two adjacent rib plate bodies forms a groove, and the first arc surface is matched with the convex, so that the inner ring side wall between the multiple rib plate bodies forms a wave type structure, thereby improving the impact area of the processed materials. The buffer pad is arranged between the rib plate body and the ball mill shell, the impact of the rib plate body transmitted to the ball mill shell can be relieved to some extent, and the service life of the ball mill shell can be effectively improved. ACCURACY

[0015] Figure 1 It is the schematic diagram of the whole structure of the utility model;

[0016] Figure 2The whole structure of the utility model is split into schematic diagrams;

[0017] Figure 3 The utility model discloses Figure 2 The structure schematic diagram of A in middle;

[0018] Figure 4 The structure schematic diagram of the rib plate in the utility model;

[0019] In the drawing: 1, ball mill shell, 2, driven gear, 3, rotating shaft, 4, mounting hole, 5, rib plate body, 6, fixed bolt, 7, buffer pad, 8, gasket, 9, nut, 10, connecting hole, 11, fitting hole, 12, limiting groove, 13, recess, 14, No. 1 arc surface, 15, No. 2 arc surface. Specific implementation

[0020] The technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model.

[0021] The utility model provides technical scheme: Figures 1 to 4 As shown in the figure, in the embodiment, a high-strength ball mill rib plate structure includes a ball mill shell 1, rotating shafts 3 are fixedly connected to both ends of the ball mill shell 1, the ball mill shell 1 can be rotatably installed on a frame body through the rotating shafts 3, a driven gear 2 is sleeved on the outer surface of the ball mill shell 1 and is fixedly connected with the driven gear 2, the driven gear 2 can be driven to rotate through a driving gear on the frame body, thereby driving the ball mill shell 1 to rotate, a plurality of mounting holes 4 are formed in the side wall of the ball mill shell 1, a plurality of rib plate bodies 5 are arranged in the ball mill shell 1, two connecting holes 10 aligned with the two mounting holes 4 are formed in the rib plate body 5, fixed bolts 6 are arranged in the connecting holes 10, nuts 9 are sleeved on the screw rods of the fixed bolts 6 through thread cooperation, and the structures of the upper and lower ends of the rib plate body 5 are symmetrical to each other.

[0022] Among them, the upper surface of the rib plate body 5 is provided with a No. 1 arc surface 14 in the middle, the upper surface of the rib plate body 5 is provided with a No. 2 arc surface 15 on both sides, the No. 1 arc surface 14 is outwardly convex, the No. 2 arc surface 15 is inwardly concave, and the No. 2 arc surfaces 15 between the adjacent two rib plate bodies 5 form recesses 13.

[0023] The No. 2 arc surfaces 15 between the adjacent two rib plate bodies 5 form the recesses 13, the convex No. 1 arc surface 14 is matched, so that the inner ring side walls of the plurality of rib plate bodies 5 form a wave-shaped structure, thereby improving the impact area of the processed materials.

[0024] Among them, the rib plate body 5 is made of composite ceramic steel material, has the characteristics of high strength and wear resistance, and can make the service life of the rib plate body 5 more long.

[0025] The buffering pad 7 is arranged between the rib plate body 5 and the ball mill shell 1, the matching hole 11 is arranged on the buffering pad 7 and is aligned with the connecting hole 10, the buffering pad 7 is made of rubber material, and the upper surface of the buffering pad 7 is matched with the outer surface of the rib plate body 5.

[0026] The buffering pad 7 can alleviate the impact of the rib plate body 5 on the ball mill shell 1, and the service life of the ball mill shell 1 can be effectively prolonged.

[0027] The upper end and the lower end of the rib plate body 5 are both provided with two limiting grooves 12, the limiting grooves 12 are located at the end of the connecting hole 10, the limiting grooves 12 are matched with the nuts of the fixing bolts 6, and the nuts of the fixing bolts 6 are non-circular structures.

[0028] The limiting grooves 12 can limit the fixing bolts 6, so that the fixing bolts 6 cannot rotate when the nuts 9 are rotated.

[0029] The gasket 8 is arranged between the nut 9 and the ball mill shell 1, the inner ring diameter of the gasket 8 is greater than the screw rod diameter of the fixing bolt 6, one end of the gasket 8 close to the ball mill shell 1 is provided with an arc surface matched with the outer surface of the ball mill shell 1, and the other end of the gasket 8 away from the ball mill shell 1 is provided with a plane structure.

[0030] The gasket 8 can improve the stability of the nut 9 after installation, and the nut 9 cannot be loose due to the fact that the outer surface of the nut 9 cannot be completely matched with the ball mill shell 1.

[0031] The utility model provides a high -strength ball mill rib plate structure, and the specific working principle is as follows:

[0032] The ball mill shell 1 can be rotatably installed on the frame body through the rotating shaft 3, the driven gear 2 can be driven to rotate through the driving gear on the frame body, and the ball mill shell 1 is further driven to rotate, the rotation of the ball mill shell 1 can generate centrifugal force on the steel balls and the processed materials in the ball mill shell 1, the steel balls and the processed materials are circulated and thrown up and fall down in the ball mill shell 1, so that the crushing work of the processed materials is completed, the rib plate body 5 can be fixed on the inner wall of the ball mill shell 1 through the cooperation of the fixing bolts 6 and the nuts 9, the rib plate body 5 is designed as a symmetrical structure at the upper end and the lower end, when the end surface of the rib plate body 5 is worn, the rib plate body 5 can be installed by turning over, so that the continuous use of the rib plate body 5 is ensured, and the service life of the rib plate is effectively improved, the two No. 15 arc-shaped surfaces between the adjacent two rib plate bodies 5 form the groove 13, the convex No. 14 arc-shaped surface is matched, the inner ring side wall between the multiple rib plate bodies 5 is formed as a wave-shaped structure, so that the impact area of the processed materials is increased, the buffer pad 7 arranged between the rib plate body 5 and the ball mill shell 1 can relieve the impact of the rib plate body 5 transmitted to the ball mill shell 1, and the service life of the ball mill shell 1 is effectively improved.

[0033] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-strength ball mill rib structure, comprising a ball mill shell (1), characterized in that: The ball mill housing (1) is fixedly connected to two ends of a rotating shaft (3). A driven gear (2) is fitted on the outer surface of the ball mill housing (1) and fixedly connected to the driven gear (2). Multiple mounting holes (4) are provided on the side wall of the ball mill housing (1). Multiple rib bodies (5) are provided inside the ball mill housing (1). Two connecting holes (10) are provided on the rib body (5) respectively aligned with the two mounting holes (4). A fixing bolt (6) is provided in the connecting hole (10). A nut (9) is fitted on the screw of the fixing bolt (6) through threaded engagement. The structures of the upper and lower ends of the rib body (5) are symmetrical to each other.

2. The high-strength ball mill rib structure according to claim 1, characterized in that: The upper surface of the rib plate body (5) has a first arc-shaped surface (14) in the middle, and the upper surface of the rib plate body (5) has a second arc-shaped surface (15) on both sides. The first arc-shaped surface (14) protrudes outward, and the second arc-shaped surface (15) is recessed inward. The second arc-shaped surface (15) between two adjacent rib plate bodies (5) forms a groove (13).

3. The high-strength ball mill rib structure according to claim 1, characterized in that: A buffer pad (7) is provided between the stiffener body (5) and the ball mill housing (1), and the buffer pad (7) has a mating hole (11) aligned with the connecting hole (10).

4. The high-strength ball mill rib structure according to claim 3, characterized in that: The buffer pad (7) is made of rubber, and the upper surface of the buffer pad (7) is adapted to the outer surface of the stiffener body (5).

5. The high-strength ball mill rib structure according to claim 1, characterized in that: The upper and lower ends of the rib plate body (5) are provided with two limiting grooves (12). The limiting grooves (12) are located at the ends of the connecting holes (10). The limiting grooves (12) are compatible with the nuts of the fixing bolts (6). The nuts of the fixing bolts (6) are non-circular.

6. The high-strength ball mill rib structure according to claim 1, characterized in that: A washer (8) is provided between the nut (9) and the ball mill housing (1), and the inner ring diameter of the washer (8) is larger than the screw diameter of the fixing bolt (6).

7. A high-strength ball mill rib structure according to claim 6, characterized in that: The end of the gasket (8) near the ball mill housing (1) is configured as an arc-shaped surface that is compatible with the outer surface of the ball mill housing (1), and the end of the gasket (8) away from the ball mill housing (1) is configured as a planar structure.

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