Ball mill with stable lining plate structure

Abstract

The utility model is suitable for the technical field of ball mills, and provides a ball mill with a stable lining plate structure, which comprises a ball mill barrel, a sealing cover, a plurality of fan-shaped lining plates and a T-shaped inserting plate, the plurality of fan-shaped lining plates are distributed in a circumferential array and inserted into the inner wall of the ball mill barrel; the T-shaped inserting plate is fixed on the peripheral side surface of the fan-shaped lining plate; clamping grooves are symmetrically formed in the side surfaces of the T-shaped inserting plate; t-shaped slots are distributed in the inner wall of the ball mill barrel in a circumferential array manner; a guide groove is formed in the inner wall of the T-shaped slot; the guide groove and the clamping groove are spliced to form a positioning groove; the T-shaped insertion plate is in insertion fit with the positioning groove; clamping plates are fixedly connected to the side surface of the sealing cover in a circumferential array distribution manner; the clamping plate is clamped and matched with the clamping groove; threaded holes are formed in two ends of the ball mill barrel; positioning holes are formed in the side surfaces of the sealing covers; and the threaded hole is in threaded running fit with a fastening bolt. The device solves the technical problem of low installation and maintenance efficiency of the fan-shaped lining plate, the installation and maintenance efficiency of the fan-shaped lining plate is improved, and the service life of the ball mill barrel is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of ball mills, and more specifically, to a ball mill with a stable lining plate structure. Background Art

[0002] Ball mill is the key equipment for crushing materials after they are broken. It is widely used in cement, silicate products, new building materials, refractory materials, fertilizers, ferrous and non-ferrous metal beneficiation, glass and ceramics and other production industries. It can grind various ores and other grindable materials by dry or wet method. Ball mill is suitable for grinding various ores and other materials.

[0003] After searching, the publication number CN216654792U is a ball mill liner anti-drop structure, including a support frame structure; an anti-drop structure connected to the support frame structure, a ball mill cylinder is provided with multiple sets of guide grooves, a plug strip is movably installed in the guide groove, a side of the plug strip facing the center of the ball mill cylinder is movably connected with a fan-shaped liner, multiple sets of fan-shaped liner are closely attached to the inner wall of the ball mill cylinder, the fan-shaped liner is connected to the ball mill cylinder by a first bolt, and the end of the plug strip is clamped with a fan-shaped liner, the fan-shaped liner is connected to the ball mill cylinder cover by a second bolt, and multiple sets of fan-shaped liner are closely attached to the inner wall of the ball mill cylinder cover. The utility model has a strong anti-drop performance.

[0004] However, the anti-falling structure of the ball mill liner is to clamp the fan-shaped liner in the guide groove, and the ball mill cylinder is provided with mounting holes, and the fan-shaped liner is fixed in the mounting holes of the ball mill cylinder by multiple groups of first bolts. Each group of fan-shaped liners requires multiple groups of first bolts for connection, which is inconvenient for installation, disassembly and maintenance, thereby reducing the installation and maintenance efficiency of the fan-shaped liner. At the same time, the mounting holes on the ball mill cylinder cause damage to the ball mill cylinder body, thereby reducing the service life of the ball mill cylinder. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a ball mill with a stable liner structure, which is capable of assembling multiple groups of sector liners on the inner wall of the ball mill cylinder by inserting the T-shaped plates on each group of sector liners into the T-shaped slots on the inner wall of the ball mill cylinder to prevent the sector liners from being displaced, and further improving the stability of the sector liners by inserting the clamping plates on the two sealing covers into the formed positioning grooves, and fixing the two sealing covers by tightening bolts to achieve the fixation of each group of sector liners.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A ball mill with a stable liner structure comprises a ball mill cylinder and a sealing cover symmetrically fixedly connected to both ends of the ball mill cylinder; it also comprises: a plurality of fan-shaped liner plates, which are arranged in a circular array and inserted into the inner wall of the ball mill cylinder; a T-shaped plug plate, which is fixedly connected to the outer peripheral side of the fan-shaped liner; the side of the T-shaped plug plate is symmetrically provided with card slots; the inner wall of the ball mill cylinder is arranged in a circular array with T-shaped slots; the inner wall of the T-shaped slot is provided with a guide groove; the guide groove and the card slot are spliced ​​to form a positioning groove; the T-shaped plug plate is plugged and matched with the positioning groove; the side of the sealing cover is fixedly connected with a card plate distributed in a circular array; the card plate is carded and matched with the card slot; both ends of the ball mill cylinder are provided with threaded holes distributed in a circular array; the side of the sealing cover is provided with positioning holes distributed in a circular array; the threaded holes are threadedly rotated with fastening bolts; the fastening bolts are plugged and matched with the positioning holes.

[0008] The utility model is further configured as follows: a support shaft is fixedly connected to a side surface of the sealing cover; and the support shaft is rotatably matched with an external first support bearing seat.

[0009] The utility model is further configured as follows: a main hollow shaft is penetrated through another side surface of the sealing cover; the main hollow shaft is rotationally matched with an external second supporting bearing seat; and the main hollow shaft is rotationally connected with an external feeding mechanism.

[0010] The utility model is further configured as follows: a gear ring is fixedly connected to the peripheral side surface of the ball mill cylinder; and the gear ring is meshed with a driving gear at the output end of an external driving motor.

[0011] The advantages of the utility model are:

[0012] The utility model completes the assembly of multiple groups of sector lining plates on the inner wall of the ball mill cylinder by inserting the T-shaped plates on each group of sector lining plates into the T-shaped slots on the inner wall of the ball mill cylinder, thereby preventing the sector lining plates from being displaced, and further improves the stability of the sector lining plates by inserting the clamping plates on the two sealing covers into the formed positioning grooves, and fixes the two sealing covers by fastening bolts to achieve the fixation of each group of sector lining plates, replacing the traditional method of fixing the sector lining plates on the ball mill cylinder by multiple groups of fastening bolts, thereby improving the installation and maintenance efficiency of the sector lining plates and at the same time, prolonging the service life of the ball mill cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural schematic diagram of a ball mill with a stable liner structure according to the utility model;

[0014] Figure 2 It is a structural schematic diagram of the ball mill cylinder of the utility model;

[0015] Figure 3It is a structural schematic diagram of the ball mill cylinder of the utility model from the right side view;

[0016] Figure 4 It is a structural schematic diagram of the ball mill cylinder and the fan-shaped liner assembly of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the sealing cover of the utility model;

[0018] Figure 6 It is a structural schematic diagram of the fan-shaped lining plate of the utility model;

[0019] In the figure: 1. ball mill cylinder; 2. sealing cover; 3. fan-shaped lining plate; 4. T-shaped plug plate; 5. slot; 6. T-shaped slot; 7. guide groove; 8. positioning groove; 9. clamping plate; 10. threaded hole; 11. positioning hole; 12. support shaft; 13. main hollow shaft; 14. gear ring. DETAILED DESCRIPTION

[0020] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0021] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0022] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0023] Embodiment 1

[0024] See also Figure 1-6 , the utility model provides the following technical solutions:

[0025] Specifically, it refers to a ball mill with a stable liner structure, including a ball mill cylinder 1, a sealing cover 2 symmetrically fixedly connected to both ends of the ball mill cylinder 1, a plurality of fan-shaped liner plates 3 and a T-shaped plug plate 4; the plurality of fan-shaped liner plates 3 are distributed in a circular array and plugged into the inner wall of the ball mill cylinder 1; the T-shaped plug plate 4 is fixedly connected to the outer peripheral side of the fan-shaped liner plate 3; the side of the T-shaped plug plate 4 is symmetrically provided with a card slot 5; the inner wall of the ball mill cylinder 1 is provided with a T-shaped slot 6 distributed in a circular array; the T-shaped plug plate A guide groove 7 is opened on the inner wall of the groove 6; the guide groove 7 is spliced ​​with the clamping groove 5 to form a positioning groove 8; the T-shaped plug plate 4 is plugged into the positioning groove 8; the side of the sealing cover 2 is fixedly connected with a clamping plate 9 distributed in a circular array; the clamping plate 9 is plugged into the clamping groove 5; both ends of the ball mill cylinder 1 are opened with threaded holes 10 distributed in a circular array; the side of the sealing cover 2 is opened with positioning holes 11 distributed in a circular array; the threaded hole 10 is threadedly rotated with a fastening bolt; the fastening bolt is plugged into the positioning hole 11.

[0026] The specific implementation method of the first embodiment is as follows: by inserting the T-shaped plates 4 on each group of sector liners 3 into the T-shaped slots 6 on the inner wall of the ball mill cylinder 1, multiple groups of sector liners 3 are assembled on the inner wall of the ball mill cylinder 1 to prevent the sector liners 3 from being displaced; by inserting the clamping plates 9 on the two sealing covers 2 into the formed positioning grooves 8, the stability of the sector liners 3 is further improved; the two sealing covers 2 are fixed to the two ends of the ball mill cylinder 1 by fastening bolts to achieve the fixation of each group of sector liners 3, instead of the traditional method of fixing the sector liners 3 on the ball mill cylinder 1 by multiple groups of fastening bolts, the installation and maintenance efficiency of the sector liners 3 is improved, and at the same time, the service life of the ball mill cylinder 1 is increased.

[0027] Embodiment 2

[0028] See also Figure 1 , Figure 2 as well as Figure 5 , this second embodiment provides the following technical solutions on the basis of the first embodiment: a support shaft 12 is fixedly connected to the side of a sealing cover 2; the support shaft 12 is rotatably matched with the external first support bearing seat; a main hollow shaft 13 is penetrated through the side of the other sealing cover 2; the main hollow shaft 13 is rotatably matched with the external second support bearing seat; the main hollow shaft 13 is rotatably connected to the external feeding mechanism; a gear ring 14 is fixedly connected to the side of the ball mill cylinder 1; the gear ring 14 is meshed with the driving gear at the output end of the external driving motor.

[0029] The specific implementation of the second embodiment is: by rotatably setting the support shaft 12 in the external first support bearing seat, rotatably setting the main hollow shaft 13 in the external second support bearing seat, rotatably connecting the main hollow shaft 13 to the rotation of the external feeding mechanism, starting the external drive motor to drive the drive gear to rotate, thereby driving the gear ring 14 to rotate together with the ball mill barrel 1.

[0030] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0031] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0032] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0033] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0034] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A ball mill with a stable liner structure, comprising a ball mill cylinder (1), and sealing covers (2) symmetrically fixedly connected to both ends of the ball mill cylinder (1); characterized in that: Also includes: A plurality of fan-shaped lining plates (3), wherein the fan-shaped lining plates (3) are distributed in a circular array and inserted into the inner wall of the ball mill barrel (1); A T-shaped plug plate (4), the T-shaped plug plate (4) being fixedly connected to the outer peripheral side of the fan-shaped lining plate (3); the side of the T-shaped plug plate (4) is symmetrically provided with a card slot (5); The inner wall of the ball mill barrel (1) is provided with T-shaped slots (6) distributed in a circumferential array; the inner wall of the T-shaped slots (6) is provided with guide grooves (7); the guide grooves (7) and the clamping grooves (5) are spliced ​​to form positioning grooves (8); the T-shaped plug plate (4) is plugged into and matched with the positioning grooves (8); The side of the sealing cover (2) is fixedly connected with a clamping plate (9) distributed in a circular array; the clamping plate (9) is clamped and matched with the clamping groove (5); both ends of the ball mill barrel (1) are provided with threaded holes (10) distributed in a circular array; the side of the sealing cover (2) is provided with positioning holes (11) distributed in a circular array; the threaded holes (10) are threadedly rotatably matched with fastening bolts; the fastening bolts are plug-fitted with the positioning holes (11).

2. A ball mill with a stable liner structure according to claim 1, characterized in that: A support shaft (12) is fixedly connected to a side surface of the sealing cover (2); the support shaft (12) is rotatably matched with an external first support bearing seat.

3. A ball mill with a stable liner structure according to claim 1, characterized in that: A main hollow shaft (13) is provided through the side of the other sealing cover (2); the main hollow shaft (13) is rotatably matched with an external second supporting bearing seat; and the main hollow shaft (13) is rotatably connected to an external feeding mechanism.

4. A ball mill with a stable liner structure according to claim 1, characterized in that: A gear ring (14) is fixedly connected to the peripheral side surface of the ball mill cylinder (1); the gear ring (14) is meshed with a driving gear at the output end of an external driving motor.

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