Ball mill lining plate convenient to maintain

By designing a ball mill lining structure including a fixed bracket, a ball mill body, a lining plate and a fixed assembly, the problem of large workload of ball mill lining plate installation and disassembly assembly in the prior art is solved, and rapid fixing and disassembly assembly is achieved, which significantly saves maintenance time and cost.

CN222624739UActive Publication Date: 2025-03-18JIANGSU GUOTAI MACHNERY MFG CO LTD
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Patent Information

Application Number
CN202420593595.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-26
Publication Date
2025-03-18
Estimated Expiration
2034-03-26

AI Technical Summary

Technical Problem

The installation and disassembly of existing ball mill linings has a large workload, which reduces the maintenance efficiency.

Method used

A ball mill lining structure including a fixing bracket, a ball mill body, a lining plate and a fixing assembly is designed. The fixing assembly includes a fixing rod and a fixing plate passing through the lining plate and the ball mill body, and through the fitting of the jack and the insertion block, it can achieve rapid fixing and disassembly.

Benefits of technology

The device is simple in structure, can quickly fix or disassemble a row of lining plates, and has high installation and fixing efficiency, thus greatly saving maintenance time and cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a ball mill lining plate convenient to maintain, which relates to the technical field of ball mill lining plates, comprises a fixed bracket, and is characterized in that a ball mill body is rotationally connected onto the fixed bracket, a plurality of lining plates are placed in the ball mill body, and the lining plates are fixed by using a fixing component; end covers are fixedly connected to the two ends of the ball mill body, a fixing assembly is arranged, the position, where the ball mill body needs to be installed, of the ball mill body is rotated to the bottom, after lining plates are placed in the ball mill, a row of lining plates are well placed, fixing rods penetrate through the lining plates and each hole of the ball mill, and then the fixing plates are clamped from the two sides; according to the lining plate fixing device, the inserting blocks on the fixing blocks penetrate through the inserting holes in the fixing rods, fixing of the fixing rods is completed, accordingly, fixing of the lining plates is completed, the lining plate fixing device is simple in structure, a row of lining plates can be fixed or dismounted, the mounting and fixing efficiency is high, and therefore the maintenance time and cost are greatly saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of ball mill lining plates, in particular to a ball mill lining plate which is easy to maintain. Background Art

[0002] The ball mill liner is an important part of the ball mill equipment, mainly used to protect the cylinder from direct impact and friction between the grinding body and the material. At the same time, the liner can also adjust the movement state of the grinding body, enhance the crushing effect on the material, thereby improving the grinding efficiency of the mill, increasing production, and reducing metal consumption. During use, the liner will continue to wear and tear, so it needs to be replaced in time. The commonly used installation method is to use bolts to fix it, but there are many liners on the ball mill, so the installation and disassembly workload is large, which reduces the efficiency of disassembly or maintenance. Therefore, based on this situation, a ball mill liner that is easy to maintain is proposed. Utility Model Content

[0003] The utility model aims to provide a ball mill liner that is easy to maintain, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ball mill liner that is easy to maintain, comprising a fixed bracket, on which a ball mill body is rotatably connected, a plurality of liners are placed inside the ball mill body, the liners are fixed by a fixing assembly, and end covers are fixedly connected at both ends of the ball mill body, the fixing assembly comprises a fixing rod passing through the liner and the ball mill body, a socket is provided on the fixing rod, two fixing plates are arranged on both sides of the exposed part of the fixing rod passing through the ball mill body, an insert block is arranged on the fixing plate, the insert block is inserted into the socket to complete the fixation of the fixing rod, and the two fixing plates are fixed to each other.

[0005] Preferably, a driving base is fixed to one side of the fixed bracket, a motor is provided on one side of the driving base, the motor is connected to a gear placed on the driving base, the gear is meshed with a gear ring, and the gear ring is fixed to the outside of one end cover.

[0006] Preferably, the lining plate is provided with two protrusions, and the lining plate is placed into the ball mill body, and the protrusions are inserted into the inner recesses of the ball mill body to achieve initial positioning and prevent movement.

[0007] Preferably, a fixing block is provided on one side of the fixing plate, and a groove is provided on the other side. After the upper and lower fixing plates are spliced, the fixing block and the groove engage with each other, and the outer side of the fixing plate is fixed by bolts passing through the fixing block and the groove.

[0008] Preferably, a rubber block is fixed on the outside of the ball mill body at a location where the protruding portion of the fixing rod contacts the fixing plate.

[0009] Preferably, the fixing plate is made of wear-resistant low alloy steel.

[0010] Preferably, the fixing assembly is used to fix four liner plates in a row in the horizontal direction, and twelve groups of fixing assemblies are distributed in a circular array outside the ball mill body.

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

[0012] 1. The utility model sets a fixing component, rotates the ball mill body to the bottom where it needs to be installed, places the liner inside the ball mill, and after placing a row of liner plates, uses a fixing rod to pass through each opening of the liner plate and the ball mill, and then inserts the fixing plate from both sides, and the plug block on the fixing plate passes through the plug hole on the fixing rod, and then the two fixing plates are connected and fixed, thus completing the fixing of the fixing rod and thus completing the fixing of the liner plate. The device has a simple structure, can quickly fix or disassemble a row of liner plates, and has a high installation and fixing efficiency, thereby greatly saving maintenance time and cost.

[0013] 2. When the utility model is in use, the motor on the driving base is started, the motor drives the gear to rotate, and the gear ring meshing therewith rotates, thereby controlling the rotation of the ball mill body. The operation is safe and controllable, and good control of the rotation of the ball mill body is achieved. The two protrusions provided at the bottom of the liner are inserted into the recesses inside the ball mill body, and initial positioning can be performed when placing it to prevent it from moving and affecting subsequent fixation. It can be accurately aligned to improve installation accuracy and efficiency. The fixing blocks and recesses of the two fixing plates are engaged with each other and then fixed with bolts. It is simple, efficient and has a good fixing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of a ball mill liner that is easy to maintain;

[0015] Figure 2 This is a front view of a ball mill liner that is easy to maintain;

[0016] Figure 3 This is a side cross-sectional view of a liner part of a ball mill liner that is easy to maintain;

[0017] Figure 4 This is a schematic diagram of the three-dimensional structure of the fixed part of the liner of a ball mill which is easy to maintain;

[0018] Figure 5 This is a front view of the fixed part of the liner of a ball mill which is easy to maintain;

[0019] Figure 6 This is a schematic diagram of the three-dimensional structure of a ball mill liner that is easy to maintain;

[0020] Figure 7 This is a schematic diagram of a partial three-dimensional structure of a ball mill liner that is easy to maintain;

[0021] Figure 8 This is an enlarged view of the ball mill liner A which is easy to maintain.

[0022] Fig. 9 This is an enlarged view of location B of a ball mill liner that is easy to maintain.

[0023] In the figure: 1. fixed bracket; 101. driving base; 1011. motor; 1012. gear; 1013. gear ring; 2. ball mill body; 201. lining plate; 2011. bump; 202. rubber block; 203. end cover; 3. fixed assembly; 301. fixed plate; 3011. plug block; 3012. fixed block; 3013. groove; 302. fixed rod; 3021. socket; 303. bolt. DETAILED DESCRIPTION

[0024] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0025] like Figure 1-Figure 9 As shown, a ball mill liner that is easy to maintain includes a fixed bracket 1, on which a ball mill body 2 is rotatably connected, a plurality of liner plates 201 are placed inside the ball mill body 2, the liner plates 201 are fixed by using a fixing assembly 3, and end covers 203 are fixedly connected at both ends of the ball mill body 2. The fixing assembly 3 includes a fixing rod 302 that passes through the liner plate 201 and the ball mill body 2, and a plug hole 3021 is opened on the fixing rod 302. Two fixing plates 301 are arranged on both sides of the exposed part of the fixing rod 302 that passes through the ball mill body 2, and an insert block 3011 is arranged on the fixing plate 301. The insert block 3011 is inserted into the plug hole 3021 to complete the fixation of the fixing rod 302, and the two fixing plates 301 are fixed to each other.

[0026] As mentioned above, in actual production of this case, the place where the ball mill body 2 needs to be installed is rotated to the bottom, and the liner 201 is placed inside the ball mill body 2. After a row of liner 201 is placed, the fixing rod 302 is used to pass through each opening of the liner 201 and the ball mill body 2, and the fixing plate 301 is inserted from both sides. The plug block 3011 on the fixing plate 301 passes through the plug hole 3021 on the fixing rod 302, and then the two fixing plates 301 are connected and fixed, so that the fixing rod 302 can be fixed, thereby completing the fixing of the liner 201. When disassembling and assembling, it is only necessary to remove the fixing plate 301 from the fixing rod 302, and then remove the fixing rod 302. The device has a simple structure, can fix or disassemble a row of liner 201, and has a high installation and fixing efficiency, thereby greatly saving maintenance time and cost.

[0027] A driving base 101 is fixed on one side of the fixed bracket 1, and a motor 1011 is arranged on one side of the driving base 101. The motor 1011 is connected to a gear 1012 placed on the driving base 101, and the gear 1012 is meshed with a gear ring 1013. The gear ring 1013 is fixed to the outside of one side end cover 203. Two protrusions 2011 are arranged on the lining plate 201. The lining plate 201 is placed into the ball mill body 2, and the protrusions 2011 are inserted into the internal recesses of the ball mill body 2 to achieve initial positioning and prevent movement. A fixing block 3012 is arranged on one side of the fixing plate 301, and a groove 3013 is arranged on the other side. After the upper and lower fixing plates 301 are spliced, the fixing block 3012 and the groove 3013 are engaged with each other, and the outer side of the fixing plate 301 is fixed with bolts 303 passing through the fixing block 3012 and the groove 3013.

[0028] As mentioned above, the motor 1011 on the driving base 101 is started, and the motor 1011 drives the gear 1012 to rotate, and the gear ring 1013 meshing therewith rotates, thereby controlling the rotation of the ball mill body 2. The operation is safe and controllable, and good control of the rotation of the ball mill body 2 is achieved. The two protrusions 2011 set at the bottom of the liner 201 are inserted into the internal recesses of the ball mill body 2. Initial positioning can be performed when placing to prevent it from moving and affecting subsequent fixation. It can be accurately aligned to improve installation accuracy and efficiency. The fixing blocks 3012 of the two fixing plates 301 are engaged with the grooves 3013 and then fixed with bolts 303. It is simple, efficient and has a good fixing effect.

[0029] A rubber block 202 is fixed on the outside of the ball mill body 2 at the place where the fixed rod 302 contacts the fixed plate 301. The fixed plate 301 is made of low-alloy steel wear-resistant material. The fixed component 3 is used to fix four lining plates 201 in a row in the horizontal direction. Twelve groups of fixed components 3 are distributed in a circular array on the outside of the ball mill body 2.

[0030] As mentioned above, fixing the rubber block 202 at the contact point between the outer side of the ball mill body 2 and the fixed plate 301 can reduce the damage caused by friction of the metal and have a certain sealing effect. Alloy steel has excellent wear resistance and strength. Using this material to make the fixed plate 301 can significantly improve work efficiency and extend service life.

[0031] Working principle: In this case, when in use, start the motor 1011 on the driving base 101, the motor 1011 drives the gear 1012 to rotate, and the gear ring 1013 meshing with it rotates, controlling the ball mill body 2 to rotate, rotate the place where it needs to be installed to the bottom, insert the two protrusions 2011 set at the bottom of the liner 201 into the inner recess of the ball mill body 2, and after placing a row of liner 201, use the fixing rod 302 to pass through each opening of the liner 201 and the ball mill body 2, and then insert the fixing plate 301 from both sides, and the plug on the fixing plate 301 3011 passes through the insertion hole 3021 on the fixing rod 302, and the fixing blocks 3012 and the grooves 3013 of the two fixing plates 301 are engaged with each other and then fixed with bolts 303, thereby completing the fixation of the fixing rod 302, thereby completing the fixation of the lining plate 201. When disassembling or assembling, it is only necessary to remove the bolts 303, remove the fixing plate 301 from the fixing rod 302, and then remove the fixing rod 302. The device has a simple structure, can fix or disassemble a row of lining plates 201, and has a high installation and fixing efficiency, thereby greatly saving maintenance time and cost.

[0032] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A ball mill liner that is easy to maintain, comprising a fixing bracket (1), characterized in that: The fixed support (1) is rotatably connected to a ball mill body (2), a plurality of lining plates (201) are placed inside the ball mill body (2), the lining plates (201) are fixed by a fixing assembly (3), and end covers (203) are fixedly connected to both ends of the ball mill body (2); The fixing assembly (3) comprises a fixing rod (302) passing through the liner (201) and the ball mill body (2); a plug hole (3021) is provided on the fixing rod (302); two fixing plates (301) are provided on both sides of the exposed portion of the fixing rod (302) passing through the ball mill body (2); an insert block (3011) is provided on the fixing plate (301); the fixing rod (302) is fixed by inserting the insert block (3011) into the plug hole (3021); and the two fixing plates (301) are fixed to each other.

2. The ball mill liner that is easy to maintain according to claim 1 is characterized in that: A driving base (101) is fixed to one side of the fixed bracket (1), a motor (1011) is provided on one side of the driving base (101), the motor (1011) is connected to a gear (1012) placed on the driving base (101), the gear (1012) is meshed with a gear ring (1013), and the gear ring (1013) is fixed to the outside of an end cover (203) on one side.

3. The ball mill liner that is easy to maintain according to claim 1 is characterized in that: The lining plate (201) is provided with two protrusions (2011). When the lining plate (201) is placed in the ball mill body (2), the protrusions (2011) are inserted into the inner recesses of the ball mill body (2) to achieve initial positioning and prevent movement.

4. The ball mill liner that is easy to maintain according to claim 1 is characterized in that: The fixing plate (301) is provided with a fixing block (3012) on one side and a groove (3013) on the other side. After the upper and lower fixing plates (301) are spliced, the fixing block (3012) and the groove (3013) are engaged with each other. The fixing plate (301) is fixed on the outside by means of bolts (303) passing through the fixing block (3012) and the groove (3013).

5. The ball mill liner that is easy to maintain according to claim 1 is characterized in that: A rubber block (202) is fixed on the outside of the ball mill body (2) at a location where the protruding portion of the fixing rod (302) contacts the fixing plate (301).

6. The ball mill liner that is easy to maintain according to claim 1, characterized in that: The fixing plate (301) is made of low alloy steel wear-resistant material.

7. The ball mill liner that is easy to maintain according to claim 1 is characterized in that: The fixing assembly (3) is used to fix four liner plates (201) in a row in the horizontal direction, and twelve groups of fixing assemblies (3) are distributed in a circular array outside the ball mill body (2).