Rod mill lining plate easy to replace

Abstract

The utility model discloses a rod mill lining plate easy to replace, which relates to the technical field of rod mills and comprises a fixed supporting mechanism, a rod mill rotating mechanism is rotatably arranged at the upper end of the fixed supporting mechanism, and a built-in lining plate fixing mechanism for material impact is clamped in the rod mill rotating mechanism. The novel lining plate solves the problems that an existing lining plate can only be detached through a professional tool, replacement is inconvenient, the lining plate needs to be designed to be of a structure convenient to replace, and normal operation and the ore grinding effect of a rod mill are guaranteed, the fixed cover and the movable cover are connected, so that the movable cover is aligned with the fixed cover to be inserted for fixing, and the service life of the movable cover is prolonged. The movable cover and the fixed cover are connected through the fixing screws after being fixed in an inserted mode, special tool disassembly is not needed, through corresponding arrangement of the positioning lining plate and the rod mill frame, the positioning lining plate can be positioned and fixed, the built-in lining plate fixing mechanism can be integrally taken out to be convenient to replace, and normal operation and the ore grinding effect of the rod mill are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of rod mills, and particularly relates to a rod mill liner which is easy to replace. Background Technique

[0002] The rod mill liner is used to protect the rod mill cylinder body, reduce the wear of the cylinder body by materials and steel rods during the grinding process. The liner is usually made of high wear-resistant materials such as manganese steel and cast iron. The liner fixes the steel rods on the cylinder body, so that the steel rods are arranged in an orderly manner in the cylinder body to improve the grinding efficiency and effect.

[0003] The rod mill liner replacement auxiliary equipment with the publication number of CN216265795U includes a frame, a trolley, a winch, a guide wheel and a liner sling. A trolley sliding along its length direction is arranged at the top of the frame. A platform is fixed above the middle of the frame through a bracket. A winch is fixed on the top of the platform. A guide wheel is rotatably arranged on the top of the platform. The axis of the guide wheel is perpendicular to the length direction of the frame. The movable end of the steel wire rope of the winch bypasses the guide wheel, and the movable end of the steel wire rope passes through the rod mill drum and then is fixed. A liner sling is slidably arranged on the steel wire rope between the guide wheel and the rod mill. Through the cooperation of the winch, the guide wheel and the liner sling, the liner is transported into the rod mill cylinder body. The whole process is simple to operate, convenient for replacing and overhauling the liner, safe and efficient, greatly improves the operation efficiency, shortens the operation time, replaces manual labor with mechanical equipment, reduces the labor intensity of workers, and the whole process is safe and efficient, eliminating potential safety hazards. However, this liner can only be disassembled by professional tools, and there is a problem that replacement is relatively inconvenient. The liner needs to be designed with a structure that is easy to replace, mainly because during the operation of the rod mill, the liner will be impacted and ground by steel rods and materials, resulting in wear, rupture or deformation. In order to ensure the normal operation of the rod mill and the grinding effect, it is necessary to regularly check and replace the worn liner.

[0004] In view of the above problems, for this reason, a rod mill liner which is easy to replace is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a rod mill liner which is easy to replace, and solves the problem that the existing liner in the background technology can only be disassembled by professional tools, and replacement is relatively inconvenient. The liner needs to be designed with a structure that is easy to replace to ensure the normal operation of the rod mill and the grinding effect.

[0006] To achieve the above object, the present utility model provides the following technical solutions: An easily replaceable lining plate for a rod mill, including a fixed support mechanism, a rod mill rotating mechanism is rotatably arranged at the upper end of the fixed support mechanism, and an internal lining plate fixing mechanism for material impact is clamped inside the rod mill rotating mechanism. The fixed support mechanism includes a support frame meshed on both sides of the rod mill rotating mechanism. The rod mill rotating mechanism includes a tooth ring meshed and connected with the support frame, and a side original plate fixedly arranged inside the tooth ring. There are two groups of the side original plates, and a fixed cover is fixedly arranged between the two groups of the side original plates. A movable cover is inserted on one side of the fixed cover, and a positioning lining plate is inserted and positioned between the movable cover and the fixed cover. A rod grinding frame is arranged inside the positioning lining plate.

[0007] Preferably, the fixed support mechanism includes a fixed frame for rotatably supporting the rod mill rotating mechanism, the support frame is fixed on both sides of the fixed frame, and a driving motor is arranged on one side of a group of the support frames.

[0008] Preferably, the support frame includes a U-shaped frame fixedly arranged on one side of the fixed frame, and a gear is rotatably arranged on the U-shaped frame.

[0009] Preferably, the rod mill rotating mechanism further includes discharge pipes fixedly arranged at both ends of the side original plate, and a spiral feeding rod is rotatably arranged inside the discharge pipes.

[0010] Preferably, a transition rotating rod is movably arranged between the discharge pipe and the fixed frame, and the transition rotating rods are arranged in a circular array.

[0011] Preferably, insertion rings are fixedly arranged at both ends of the fixed cover, there are four groups of the insertion rings, two groups are arranged on one side, and positioning ports are opened on the insertion rings.

[0012] Preferably, a positioning socket is opened on one side of the movable cover, insertion plates are fixedly arranged at both ends of the movable cover, and fixing screws are threadedly connected between the insertion plates and the insertion rings.

[0013] Preferably, a positioning insertion rod is arranged on one side of the positioning lining plate to align with the positioning socket, the rod grinding frames are arranged in a circular array, and connecting plates are fixedly connected in the rod grinding frames.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. The easily replaceable rod mill liner provided by the present utility model is provided with a connection between a fixed cover and a movable cover, so that two sets of side original plates are fixedly connected to the fixed cover. The movable cover is inserted into and fixed to the fixed cover. The rod grinding frame is used for grinding materials, and the positioning liner is used for fixing the rod grinding frame and protecting the movable cover and the fixed cover at the same time. After being inserted and fixed between the movable cover and the fixed cover, they are connected by fixing screws and can be disassembled without professional tools, solving the problem that the existing liner can only be disassembled by professional tools and is relatively inconvenient to replace.

[0016] 2. The easily replaceable rod mill liner provided by the present utility model is provided with a corresponding setting between the positioning liner and the rod grinding frame, so that the positioning liner can position and fix the rod grinding frame. The built-in liner fixing mechanism fixed inside the rod mill rotating mechanism can be taken out as a whole for easy replacement, ensuring the normal operation of the rod mill and the grinding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 is a schematic side view structure diagram of the overall of the present utility model;

[0019] Figure 3 is a schematic front view structure diagram of the overall of the present utility model;

[0020] Figure 4 is a schematic exploded structure diagram of the rod mill rotating mechanism of the present utility model;

[0021] Figure 5 is a schematic exploded structure diagram of the rod mill rotating mechanism of the present utility model;

[0022] Figure 6 is a schematic exploded structure diagram of the built-in liner fixing mechanism of the present utility model.

[0023] In the figure: 1. Fixed support mechanism; 11. Fixed frame; 12. Support frame; 121. U-shaped frame; 122. Gear; 13. Driving motor; 2. Rod mill rotating mechanism; 21. Discharge pipe; 22. Spiral feeding rod; 23. Transition rotating rod; 24. Side original plate; 25. Tooth ring; 26. Movable cover; 261. Positioning socket; 262. Insertion plate; 27. Fixed cover; 271. Insertion ring; 272. Positioning port; 28. Fixing screw; 3. Built-in liner fixing mechanism; 31. Positioning liner; 311. Positioning insertion rod; 32. Rod grinding frame; 321. Connecting plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] To further understand the content of the present utility model, the present utility model will be described in detail in conjunction with the accompanying drawings.

[0026] Combined Figure 1 , an easily replaceable lining plate of a rod mill of the present utility model includes a fixed support mechanism 1. A rod mill rotating mechanism 2 is rotatably arranged at the upper end of the fixed support mechanism 1. An internal lining plate fixing mechanism 3 for material impact is engaged inside the rod mill rotating mechanism 2. The fixed support mechanism 1 includes support frames 12 meshed on both sides of the rod mill rotating mechanism 2. The rod mill rotating mechanism 2 includes a toothed ring 25 meshed and connected with the support frames 12, a side plate 24 fixedly arranged inside the toothed ring 25. There are two groups of the side plates 24. A fixed cover 27 is fixedly arranged between the two groups of side plates 24. A movable cover 26 is inserted on one side of the fixed cover 27. A positioning lining plate 31 is inserted and positioned between the movable cover 26 and the fixed cover 27. A rod grinding frame 32 is arranged inside the positioning lining plate 31.

[0027] Specifically, the support frames 12 on both sides support and drive the rod mill rotating mechanism 2. The rotation of the support frames 12 drives the overall rotation of the rod mill rotating mechanism 2. The two groups of side plates 24 are fixedly connected to the fixed cover 27. The movable cover 26 is aligned with the fixed cover 27 and inserted for fixation. The rod grinding frame 32 is used for material grinding. The positioning lining plate 31 is used to fix the rod grinding frame 32 and at the same time protect the movable cover 26 and the fixed cover 27. After being inserted and fixed between the movable cover 26 and the fixed cover 27, they are connected by fixing screws 28 and can be disassembled without professional tools. The positioning lining plate 31 positions and fixes the rod grinding frame 32, so that the internal lining plate fixing mechanism 3 fixed inside the rod mill rotating mechanism 2 can be taken out as a whole for easy replacement, ensuring the normal operation of the rod mill and the grinding effect.

[0028] The present utility model will be further described below in conjunction with the embodiments.

[0029] Embodiment 1:

[0030] Combined Figures 2 - 5, The fixed support mechanism 1 includes a fixed frame 11 for rotatably supporting the rotating mechanism 2 of the rod mill. The support frames 12 are fixed on both sides of the fixed frame 11. A driving motor 13 is arranged on one side of a group of support frames 12. The fixed frame 11 supports the rotating mechanism 2 of the rod mill, and the driving motor 13 drives a group of support frames 12 to rotate, and the support frames 12 drive the whole rotating mechanism 2 of the rod mill to rotate.

[0031] The support frame 12 includes a U-shaped frame 121 fixedly arranged on one side of the fixed frame 11. A gear 122 is rotatably arranged on the U-shaped frame 121. The U-shaped frame 121 supports and fixes the gear 122. The gear 122 meshes with the tooth ring 25 and rotates synchronously and in the opposite direction.

[0032] The rotating mechanism 2 of the rod mill further includes discharge pipes 21 fixedly arranged at both ends of the side plate 24. A spiral feeding rod 22 is rotatably arranged inside the discharge pipes 21. The spiral feeding rod 22 rotates inside the discharge pipes 21 to achieve feeding.

[0033] A transition rotating rod 23 is movably arranged between the discharge pipe 21 and the fixed frame 11. The transition rotating rods 23 are arranged in a circular array. The rotation of the transition rotating rods 23 enables the rotation of the discharge pipe 21 not to affect the fixed frame 11, which is convenient for the driving motor 13 to drive the discharge pipe 21 to rotate.

[0034] Insertion rings 271 are fixedly arranged at both ends of the fixed cover 27. There are four groups of insertion rings 271, arranged in two groups on one side. A positioning opening 272 is formed on the insertion ring 271. The arrangement of two groups of insertion rings 271 on one side enables the movable cover 26 to be inserted and fixed by aligning with the positioning opening 272.

[0035] A positioning socket 261 is formed on one side of the movable cover 26. Insertion plates 262 are fixedly arranged at both ends of the movable cover 26. A fixing screw 28 is threadedly connected between the insertion plate 262 and the insertion ring 271. The positioning socket 261 positions and fixes the built-in lining plate fixing mechanism 3. The insertion plate 262 is inserted into the positioning opening 272, and the insertion ring 271 and the insertion plate 262 are fixed by the fixing screw 28.

[0036] Embodiment 2:

[0037] Combined with Figure 6 , A positioning insertion rod 311 is arranged on one side of the positioning lining plate 31 to align with the positioning socket 261. The rod grinding frames 32 are arranged in a circular array. A connecting plate 321 is fixedly connected in the rod grinding frames 32. The connecting plate 321 shapes the rod grinding frames 32, enabling the rod grinding frames 32 to be inserted into the positioning lining plate 31 from one side for fixation. The positioning insertion rod 311 is inserted into the movable cover 26 for positioning.

[0038] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0039] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An easily replaceable rod mill liner, comprising a fixed support mechanism (1), characterized in that: The upper end of the fixed support mechanism (1) is rotatably provided with a rod mill rotating mechanism (2), and an internal lining plate fixing mechanism (3) for material impact is engaged inside the rod mill rotating mechanism (2); The fixed support mechanism (1) includes support frames (12) engaged on both sides of the rod mill rotating mechanism (2). The rod mill rotating mechanism (2) includes a toothed ring (25) engaged and connected to the support frames (12), a side original plate (24) fixedly arranged inside the toothed ring (25). There are two groups of the side original plates (24). A fixed cover (27) is fixedly arranged between the two groups of the side original plates (24). A movable cover (26) is inserted on one side of the fixed cover (27). A positioning lining plate (31) is inserted and positioned between the movable cover (26) and the fixed cover (27). A rod grinding frame (32) is arranged inside the positioning lining plate (31).

2. The replaceable rod mill liner according to claim 1, wherein: The fixed support mechanism (1) includes a fixed frame (11) for rotatably supporting the rod mill rotating mechanism (2). The support frames (12) are fixed on both sides of the fixed frame (11). A driving motor (13) is arranged on one side of a group of the support frames (12).

3. The replaceable rod mill liner according to claim 2, wherein: The support frame (12) includes a U-shaped frame (121) fixedly arranged on one side of the fixed frame (11), and a gear (122) is rotatably arranged on the U-shaped frame (121).

4. The replaceable rod mill liner according to claim 1, characterized in that: The rod mill rotating mechanism (2) further includes discharge pipes (21) fixedly arranged at both ends of the side original plate (24), and a spiral feeding rod (22) is rotatably arranged inside the discharge pipes (21).

5. The replaceable rod mill liner according to claim 4, characterized in that: A transition rotating rod (23) is movably arranged between the discharge pipe (21) and the fixed frame (11), and the transition rotating rods (23) are arranged in a circular array.

6. The replaceable rod mill liner according to claim 1, wherein: Insertion rings (271) are fixedly arranged at both ends of the fixed cover (27). There are four groups of the insertion rings (271), two groups are arranged on one side, and positioning ports (272) are formed on the insertion rings (271).

7. An easily replaceable rod mill liner according to claim 1, characterized in that: A positioning insertion port (261) is formed on one side of the movable cover (26). Insertion plates (262) are fixedly arranged at both ends of the movable cover (26). Fixing screws (28) are threadedly connected between the insertion plates (262) and the insertion rings (271).

8. The replaceable rod mill liner according to claim 7, wherein: A positioning insertion rod (311) is arranged on one side of the positioning lining plate (31) opposite to the positioning insertion port (261). The rod grinding frames (32) are arranged in a circular array, and connecting plates (321) are fixedly connected in the rod grinding frames (32).

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