Rapidly replaceable lining plate special for semi-autogenous mill

By introducing a two-way lead screw and lifting structure into the semi-autogenous mill liner, the problems of inconvenient liner installation and difficult replacement were solved, enabling rapid adaptation and convenient replacement, and improving the maintenance efficiency of the equipment.

CN223847049UActive Publication Date: 2026-01-30PANGANG GRP ENG TECH
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Patent Information

Application Number
CN202422903296.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2026-01-30
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

The existing semi-autogenous grinding mill liner installation is not convenient for adjusting the bolt spacing, which makes it difficult to install different models of semi-autogenous grinding mills, and also makes it difficult to replace damaged liners, resulting in long downtime.

Method used

It adopts a two-way lead screw and adjustment structure. The spacing of the lead screw is adjusted by a hexagonal nut. Combined with the lifting structure, the top plate is used to lift the damaged liner plate, so as to achieve quick replacement.

Benefits of technology

It enables rapid installation and adaptation of liners and convenient replacement of damaged liners, reducing downtime and improving equipment maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a semi-autogenous mill special lining plate capable of being rapidly replaced. The semi-autogenous mill special lining plate comprises a semi-autogenous mill roller, and a plurality of semi-autogenous mill lining plates are arranged on the semi-autogenous mill roller; a two-way screw rod is rotationally installed in the semi-autogenous mill lining plate, an adjusting structure is installed on the two-way screw rod, a fixing sleeve rod is fixedly installed on the inner wall of the semi-autogenous mill lining plate, an adjusting screw rod is rotationally installed in the fixing sleeve rod, a lifting structure is installed on the adjusting screw rod, and the adjusting structure comprises a hexagon nut. The hexagon nut is installed at one end of the bidirectional lead screw, and the two threaded sliding blocks are installed on the bidirectional lead screw in a threaded mode. Before installation, the distance between the two installation lead screws can be adjusted by rotating the hexagon nuts according to the distance and the positions of the installation holes in the roller of the semi-autogenous mill, so that the positions of the installation lead screws can be adjusted and matched according to the positions of the installation holes; therefore, the semi-autogenous mill lining plate can be suitable for installation and use of semi-autogenous mill rollers of different models.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a semi -autogenous mill technical field, concretely is a special liner of semi -autogenous mill of quick replacement. BACKGROUND

[0002] Semi -autogenous mill is a kind of grinding equipment widely used in mining, metallurgy, chemical industry etc., it is stable in performance, high efficiency, and the main role of semi -autogenous mill liner as one of the key components of semi -autogenous mill is to promote steel ball and material, and can effectively reduce the impact and wear of grinding medium to equipment ontology, to prolong the service life of equipment.

[0003] In prior art, the liner of semi -autogenous mill is usually installed to the inside of semi -autogenous mill cylinder by bolt and used, but the installation hole spacing of different models of semi -autogenous mill can be different, and the spacing of bolt installed on the liner is not convenient to adjust according to the position of installation hole, and after the installation of liner is completed, the spacing between each other is small, if the damaged liner appears, it is inconvenient to be replaced from the liner around.

[0004] Therefore, it is necessary to provide a special liner of semi -autogenous mill of quick replacement to solve or at least alleviate the above defects. CONTENT OF UTILITY MODEL

[0005] The utility model aims at providing a special liner of semi -autogenous mill of quick replacement to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A special liner of semi -autogenous mill of quick replacement, including semi -autogenous mill cylinder, be equipped with several semi -autogenous mill liners on the semi -autogenous mill cylinder;The inside of the semi -autogenous mill liner is rotatably installed with a bidirectional screw rod, the bidirectional screw rod is installed with adjusting structure, the inner wall of semi -autogenous mill liner is fixedly installed with fixed sleeve rod, the fixed sleeve rod is rotatably installed with adjusting screw rod, and the adjusting screw rod is installed with lifting structure.

[0008] Preferably, the adjusting structure includes a hexagonal nut, the hexagonal nut is installed at one end of the bidirectional screw rod, two threaded slides are screwedly installed on the bidirectional screw rod, the two threaded slides are slidably installed on the inner wall of the semi -autogenous mill liner, the one side of the two threaded slides is installed with a mounting screw rod, and a plurality of mounting holes matched with the mounting screw rod are formed in the semi -autogenous mill cylinder.

[0009] Preferably, the inner wall of the semi -autogenous mill liner is provided with a guide sliding groove, and the two threaded slides are slidably installed in the guide sliding groove.

[0010] Preferably, the inner wall of the threaded sliding block is provided with a threaded hole, and the bidirectional screw rod is threaded in the threaded hole.

[0011] Preferably, the lifting structure comprises a movable sleeve rod, the movable sleeve rod is slidingly installed in the inside of the fixed sleeve rod, the movable sleeve rod is threaded on the adjusting screw rod, an adjustable sleeve is slidingly sleeved on the adjusting screw rod, the adjustable sleeve is rotatably installed in the movable sleeve rod, a threaded jack rod is threaded on the adjustable sleeve, the threaded jack rod is slidingly installed in the inside of the movable sleeve rod, one end of the threaded jack rod is provided with a top plate, and the top plate is movably installed in the semi-autogenous mill liner.

[0012] Preferably, the inside of the fixed sleeve rod is provided with a guide groove one, a guide strip one is slidingly installed in the guide groove one, the guide strip one is fixedly installed on the outer surface of the movable sleeve rod, the inside of the movable sleeve rod is provided with an adjusting screw hole, and the adjusting screw rod is threaded in the adjusting screw hole.

[0013] Preferably, one side of the adjustable sleeve is provided with a limiting rotating ring, the limiting rotating ring is rotatably installed in the inside of the movable sleeve rod, the inside of the movable sleeve rod is provided with a guide groove two, a guide strip two is slidingly installed in the guide groove two, the guide strip two is installed on the outer surface of the threaded jack rod, the inside of the threaded jack rod is provided with an adjusting screw groove, and the adjustable sleeve is threaded in the adjusting screw groove.

[0014] Preferably, the inside of the adjustable sleeve is provided with a guide groove three, a limiting block is slidingly installed in the guide groove three, and the limiting block is installed on the outer surface of the adjusting screw rod.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] (1) Before installation, the interval of the two installation screw rods can be adjusted by rotating the hexagonal nut according to the interval and position of the mounting holes on the semi-autogenous mill cylinder, the position of the installation screw rod can be adjusted and adapted according to the position of the mounting hole, the semi-autogenous mill liner can be installed and used on semi-autogenous mill cylinders of different models.

[0017] (2) When the damaged semi-autogenous mill liner is removed, the bolts on the installation screw rod and the connecting part are removed first, then the adjusting screw rod is rotated to drive the top plate to extrude the inner wall surface of the semi-autogenous mill cylinder, thereby assisting in lifting the damaged semi-autogenous mill liner, without the need to disassemble the surrounding liner, thereby facilitating the replacement of the damaged semi-autogenous mill liner and reducing downtime. BRIEF DESCRIPTION OF DRAWINGS

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

[0019] Figure 2 It is a three-dimensional structure schematic view of the semi-autogenous mill liner; Figure 1 It is a three-dimensional structure schematic view of the semi-autogenous mill liner;

[0020] Figure 3 It is the fixed sleeve rod part's three-dimensional structure schematic view of the utility model;

[0021] Figure 4 It is Figure 1 It is the sectional structure schematic view of the semi-autogenous mill liner plate;

[0022] Figure 5 It is Figure 3 It is the sectional structure schematic view of the semi-autogenous mill liner plate;

[0023] Figure 6 It is Figure 3 It is the sectional structure schematic view of the semi-autogenous mill liner plate.

[0024] The utility model discloses the realization, function characteristics and advantages will be further described with reference to the drawings in conjunction with the embodiment.

[0025] Explanation of the attached drawings:

[0026] 100, semi-autogenous mill roller;101, semi-autogenous mill liner plate;200, bidirectional screw;201, hexagonal nut;202, threaded slider;203, installation screw;204, guide sliding slot;205, threaded hole;300, fixed sleeve rod;301, adjusting screw;302, movable sleeve rod;303, movable screw sleeve;304, threaded ejector pin;305, top plate;306, guide groove one;307, guide strip one;308, adjusting screw hole;309, limit rotating ring;310, guide groove two;311, guide strip two;312, adjusting screw groove;313, guide groove three;314, limit block. Specific implementation

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with 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 the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] Embodiment 1:

[0029] Please refer to Figures 1-6 The utility model provides a technical scheme:

[0030] The utility model provides a quick replaceable special lining plate of semi autogenous mill, including semi autogenous mill cylinder 100, be equipped with a plurality of semi autogenous mill lining plate 101 on semi autogenous mill cylinder 100, the inside rotation of semi autogenous mill lining plate 101 is installed with two -way screw rod 200, and the adjusting structure is installed on two -way screw rod 200, through setting adjusting structure makes semi autogenous mill lining plate 101's installation part can adjust according to semi autogenous mill cylinder 100 mounting hole's position, the inner wall fixed mounting of semi autogenous mill lining plate 101 has fixed sleeve rod 300, and the rotation of fixed sleeve rod 300 is installed with adjusting screw rod 301, and the lifting structure is installed on adjusting screw rod 301, when removing damaged semi autogenous mill lining plate 101, through lifting structure can eject damaged semi autogenous mill lining plate 101 from the periphery of semi autogenous mill lining plate 101, and it is convenient to replace.

[0031] Further, the adjusting structure includes a hex nut 201 mounted on one end of the two-way screw rod 200, two threaded blocks 202 are threadedly mounted on the two-way screw rod 200, both of the threaded blocks 202 are slidingly installed on the inner wall of the semi autogenous mill lining plate 101, and an installation screw rod 203 is installed on one side of each of the threaded blocks 202. A plurality of mounting holes compatible with the installation screw rods 203 are formed on the semi autogenous mill cylinder 100. Rotating the hex nut 201 drives the two-way screw rod 200 to rotate, which in turn drives the two threaded blocks 202 to move towards or away from each other, thereby adjusting the distance between the two installation screw rods 203.

[0032] Further, a guide sliding groove 204 is formed on the inner wall of the semi autogenous mill lining plate 101, and both of the threaded blocks 202 are slidingly installed in the guide sliding groove 204. The moving threaded blocks 202 can slide in the guide sliding groove 204, thereby limiting the moving direction of the threaded blocks 202.

[0033] Further, a threaded hole 205 is formed on the inner wall of the threaded block 202, and the two-way screw rod 200 is threadedly installed in the threaded hole 205. When the two-way screw rod 200 rotates, it drives the two threaded blocks 202 to move through the threaded cooperation with the two threaded holes 205.

[0034] Example 2:

[0035] As Figures 2-6In order to avoid the semi-mill liner 101 from being difficult to disassemble due to being extruded by the liners on both sides or being filled by the medium, a lifting structure is installed on the adjusting screw 301, the lifting structure comprises a movable sleeve rod 302, the movable sleeve rod 302 is slidably installed in the inside of a fixed sleeve rod 300, the movable sleeve rod 302 is threadedly sleeved on the adjusting screw 301, an adjustable sleeve 303 is slidably sleeved on the adjusting screw 301, the adjustable sleeve 303 is rotatably installed in the movable sleeve rod 302, a threaded jack 304 is threadedly sleeved on the adjustable sleeve 303, the threaded jack 304 is slidably installed in the inside of the movable sleeve rod 302, one end of the threaded jack 304 is provided with a top plate 305, the top plate 305 is movably installed in the semi-mill liner 101, and the top plate 305 is in contact with the semi-mill drum 100.

[0036] Further, a guide groove one 306 is formed in the inner wall of the fixed sleeve rod 300, a guide strip one 307 is slidably installed in the guide groove one 306, the guide strip one 307 is fixedly installed on the outer surface of the movable sleeve rod 302, an adjusting screw hole 308 is formed in the inside of the movable sleeve rod 302, and the adjusting screw 301 is threadedly installed in the adjusting screw hole 308.

[0037] Further, a limiting rotating ring 309 is installed on one side of the adjustable sleeve 303, the limiting rotating ring 309 is rotatably installed in the inside of the movable sleeve rod 302, a guide groove two 310 is formed in the inner wall of the movable sleeve rod 302, a guide strip two 311 is slidably installed in the guide groove two 310, the guide strip two 311 is installed on the outer surface of the threaded jack 304, an adjusting screw groove 312 is formed in the inner wall of the threaded jack 304, and the adjustable sleeve 303 is threadedly installed in the adjusting screw groove 312.

[0038] Further, a guide groove three 313 is formed in the inner wall of the adjustable sleeve 303, a limiting block 314 is slidably installed in the guide groove three 313, and the limiting block 314 is installed on the outer surface of the adjusting screw 301.

[0039] The adjusting screw 301 is driven to rotate by using an electric screwdriver, the adjusting screw 301 can drive the movable sleeve rod 302 to move through the thread cooperation with the adjusting screw hole 308 when the adjusting screw 301 rotates, the movable sleeve rod 302 can drive the adjustable sleeve 303 to move when the movable sleeve rod 302 moves, the continuously rotating adjusting screw 301 can drive the adjustable sleeve 303 to rotate, the rotating adjustable sleeve 303 can drive the threaded jack 304 to move through the thread cooperation with the adjusting screw groove 312, the continuously moving threaded jack 304 can drive the top plate 305 to move, and the top plate 305 can be pressed on the inner wall surface of the semi-mill drum 100 under the movement of the top plate 305, so that the semi-mill liner 101 is lifted and protrudes from the two adjacent semi-mill liners 101, and the remaining features are the same as those in Embodiment 1.

[0040] The working principle is as follows:

[0041] The hexagonal nut 201 can be rotated to drive the bidirectional screw rod 200 to rotate before the half-autogenous mill lining plate 101 is installed, the bidirectional screw rod 200 can drive the two threaded sliding blocks 202 to move in the direction of approaching or moving away from each other through the threaded cooperation with the two threaded holes 205, and then the interval of the two mounting screw rods 203 can be adjusted to be matched with the mounting hole position of the half-autogenous mill cylinder 100;

[0042] When the damaged half-autogenous mill lining plate 101 needs to be disassembled, the adjusting screw rod 301 can be driven to rotate by using the electric screwdriver, the adjusting screw rod 301 can drive the movable sleeve rod 302 to move through the threaded cooperation with the adjusting screw hole 308, the movable sleeve rod 302 moving can drive the guide strip one 307 to slide in the guide groove one 306, and then the moving direction of the movable sleeve rod 302 is limited, the movable sleeve rod 302 moving can drive the movable sleeve 303 to move, so that the movable sleeve 303 slides on the limiting block 314 through the guide groove three 313, the continuously rotating adjusting screw rod 301 can drive the movable sleeve 303 to rotate through the cooperation of the guide groove three 313 and the limiting block 314, the rotating movable sleeve 303 drives the limiting rotating ring 309 to rotate in the inside of the movable sleeve rod 302, so as to avoid the movable sleeve 303 from loosening from the movable sleeve rod 302, the continuously moving movable sleeve 303 can drive the threaded top rod 304 to move through the threaded cooperation with the adjusting screw groove 312, the threaded top rod 304 moving can drive the guide strip two 311 to slide in the guide groove two 310, so as to avoid the threaded top rod 304 from deviating when moving, and the continuously moving threaded top rod 304 can drive the top plate 305 to move, the top plate 305 moving can press on the inner wall surface of the half-autogenous mill cylinder 100, so as to lift the half-autogenous mill lining plate 101, make the half-autogenous mill lining plate 101 protrude from the adjacent two half-autogenous mill lining plates 101, avoid the half-autogenous mill lining plate 101 from being difficult to disassemble due to being extruded by the lining plates on both sides or filled by the medium, so as to take out the damaged half-autogenous mill lining plate 101 for replacement.

[0043] The preferred embodiments of the utility model are described above, and the patent range of the utility model is not limited by this, any equivalent structure or equivalent process transformation by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A quick-changeable semi-autogenous mill special liner plate, comprising a semi-autogenous mill drum (100), wherein a plurality of semi-autogenous mill liner plates (101) are arranged on the semi-autogenous mill drum (100); characterized in that: a bidirectional screw rod (200) is rotatably arranged inside the semi-autogenous mill liner plate (101), and an adjusting structure is arranged on the bidirectional screw rod (200); a fixed sleeve rod (300) is fixedly arranged on the inner wall of the semi-autogenous mill liner plate (101), a adjusting screw rod (301) is rotatably arranged in the fixed sleeve rod (300), and a lifting structure is arranged on the adjusting screw rod (301).

2. The quick-changeable semi-autogenous mill special liner plate according to claim 1, characterized in that: the adjusting structure comprises a hexagonal nut (201) arranged at one end of the bidirectional screw rod (200), two threaded sliding blocks (202) are threadedly arranged on the bidirectional screw rod (200), and the two threaded sliding blocks (202) are slidingly arranged on the inner wall of the semi-autogenous mill liner plate (101); an installation screw rod (203) is arranged on one side of each of the two threaded sliding blocks (202), and a plurality of installation holes compatible with the installation screw rod (203) are arranged on the semi-autogenous mill drum (100); a guide sliding groove (204) is arranged on the inner wall of the semi-autogenous mill liner plate (101), and the two threaded sliding blocks (202) are slidingly arranged in the guide sliding groove (204); a threaded hole (205) is arranged on the inner wall of the threaded sliding block (202), and the bidirectional screw rod (200) is threadedly arranged in the threaded hole (205).

5. The quick-changeable semi-autogenous mill special liner plate according to claim 1, characterized in that: the lifting structure comprises a movable sleeve rod (302) slidingly arranged in the fixed sleeve rod (300), and the movable sleeve rod (302) is threadedly sleeved on the adjusting screw rod (301); a movable screw sleeve (303) is slidingly sleeved on the adjusting screw rod (301), and the movable screw sleeve (303) is rotatably arranged in the movable sleeve rod (302); a threaded jack (304) is threadedly sleeved on the movable screw sleeve (303), and the threaded jack (304) is slidingly arranged in the movable sleeve rod (302); a top plate (305) is arranged at one end of the threaded jack (304), the top plate (305) is movably arranged in the semi-autogenous mill liner plate (101), and the top plate (305) is in contact with the semi-autogenous mill drum (100).

6. The quick-changeable semi-autogenous mill special liner plate according to claim 5, characterized in that: a guide groove one (306) is arranged on the inner wall of the fixed sleeve rod (300), a guide strip one (307) is slidingly arranged in the guide groove one (306), and the guide strip one (307) is fixedly arranged on the outer surface of the movable sleeve rod (302). ​ ​ 3. A quick-changeable mill liner for a semi-autogenous mill according to claim 2, characterized in that: ​ 4. A quick-change mill liner as claimed in claim 2, characterised in that: ​ ​ ​ ​ ​ ​ ​ ​ The inside of the movable sleeve rod (302) is provided with an adjusting screw hole (308), and the adjusting screw rod (301) is screw-mounted in the adjusting screw hole (308).

7. A quickly replaceable semi-autogenous mill special liner according to claim 5, characterized in that: One side of the movable sleeve (303) is provided with a limiting swivel ring (309), which is rotatably mounted in the inside of the movable sleeve rod (302); The inner wall of the movable sleeve rod (302) is provided with a guide groove two (310), and the guide groove two (310) is slidably mounted with a guide strip two (311), which is mounted on the outer surface of the threaded top rod (304); The inner wall of the threaded top rod (304) is provided with an adjusting screw groove (312), and the movable sleeve (303) is screw-mounted in the adjusting screw groove (312).

8. A quickly replaceable semi-autogenous mill special liner according to claim 5, characterized in that: The inner wall of the movable sleeve (303) is provided with a guide groove three (313), and the guide groove three (313) is slidably mounted with a limiting block (314), which is mounted on the outer surface of the adjusting screw rod (301).