A novel fixing structure for a grinding disc liner

Abstract

This utility model belongs to the field of grinding disc liners, specifically relating to a novel fixing structure for grinding disc liners. It includes a base, a pressure ring mechanism comprising a central bearing ring disposed in the middle of the base, a central rod inserted into the central bearing ring, and a pressure ring plate formed on the top of the central rod; a separating mechanism comprising separating frames spaced apart within the inner cavity of the base, each separating frame having a protruding first positioning rod near its center and a protruding second positioning rod away from its center; a first liner mechanism comprising a first liner clamped between two adjacent separating frames; the combination of the first and second liners is a modular design, installed at equal angular intervals on each separating frame; the first and second liners have multiple transverse and radial connection structures, and the connection requires no bolts, achieving a stable connection simply through transverse and radial combinations; area replacement is possible when wear occurs, reducing usage and maintenance costs.

Description

Technical Field

[0001] This utility model relates to the field of grinding disc liners, and specifically to a novel fixing structure for grinding disc liners. Background Technology

[0002] Vertical mills are grinding equipment that integrates fine crushing, drying, grinding, powder selection and conveying. They are widely used in the grinding and ultrafine grinding of various solid materials in industries such as cement, building materials, power, metallurgy, chemical industry and non-metallic minerals. The grinding disc liner is a load-bearing structure used to assist the grinding roller in grinding materials.

[0003] Most existing grinding disc liners are integral structures, installed as a whole in the grinding area of ​​a vertical mill. When they wear out, they need to be replaced as a whole. However, most of the structure of the grinding disc liner is still in normal condition, and direct replacement results in significant wear and tear. Although some split grinding disc liners can solve the problem of overall replacement, their split structure uses a complex installation structure, which makes the disassembly and installation process cumbersome and inconvenient. Utility Model Content

[0004] (a) Purpose of the utility model

[0005] To address the technical problems existing in the background art, this utility model proposes a novel fixing structure for a grinding disc liner, which features a modular design that facilitates easy assembly and disassembly.

[0006] (II) Technical Solution

[0007] To solve the above-mentioned technical problems, this utility model provides a novel fixing structure for a grinding disc liner, including a base, a pressure ring mechanism including a central bearing ring disposed in the middle of the base, a central rod inserted into the central bearing ring, and a pressure ring plate formed on the top of the central rod;

[0008] The separation mechanism includes a partition frame spaced apart in the inner cavity of the base. The partition frame has a first positioning rod protruding near the center and a second positioning rod protruding away from the center.

[0009] The first liner mechanism includes a first liner clamped between two adjacent partition frames, the end of the first liner being formed with a first cover plate, and the lower part of the first cover plate having a first positioning groove that cooperates with the first positioning rod.

[0010] The second liner mechanism includes a second liner clamped between two adjacent partition frames. The end of the second liner is formed with a second cover plate, and the lower part of the second cover plate is provided with a second positioning groove that cooperates with the second positioning rod.

[0011] The assembly includes a boss formed on the first liner and a slot formed on the second liner, the boss and the slot being interlocked.

[0012] Preferably, a clamping interval is provided between the middle bearing ring and the base, and the combined width of the first liner and the second liner is adapted to the width of the clamping interval.

[0013] Preferably, the combination of the first liner and the second liner has a sloping structure.

[0014] Preferably, the end of the first liner is clamped between the pressure ring plate, the central rod, and the middle bearing ring.

[0015] Preferably, the separator is symmetrically provided with the first positioning rod and the second positioning rod, and the two first positioning rods and the second positioning rod are respectively connected to two adjacent first liner plates and second liner plates.

[0016] Preferably, the surface of the first liner and the second liner is formed with a wear-resistant coating.

[0017] The above-mentioned technical solution of this utility model has the following beneficial technical effects: the combination of the first liner and the second liner is a modular design, and they are installed at equal angle intervals on each partition. The first liner and the second liner have multiple horizontal and radial connection structures, and no bolts are required for connection. Stable connection can be achieved simply by combining horizontal and radial structures. When wear occurs, the area can be replaced, which reduces the cost of use and maintenance. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0020] Figure 3 This is a schematic diagram of the exploded structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the separation structure of this utility model.

[0022] Figure label:

[0023] 1. Base; 21. Central bearing ring; 22. Center rod; 23. Pressure ring plate; 31. Divider frame; 32. First positioning rod; 33. Second positioning rod; 41. First liner plate; 42. First cover plate; 43. First positioning groove; 51. Second liner plate; 52. Second cover plate; 53. Second positioning groove; 61. Boss; 62. Slot. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of this utility model.

[0025] like Figure 1-4 As shown, the present invention proposes a novel fixing structure for a grinding disc liner, including a base 1 and a pressure ring mechanism including a central bearing ring 21 disposed in the middle of the base 1, a central rod 22 inserted into the central bearing ring 21, and a pressure ring plate 23 formed on the top of the central rod 22.

[0026] The separation mechanism includes a separation frame 31 spaced apart in the inner cavity of the base 1. The separation frame 31 has a first positioning rod 32 protruding near the center and a second positioning rod 33 protruding away from the center.

[0027] The first liner mechanism includes a first liner 41 clamped between two adjacent partition frames 31, a first cover plate 42 formed at the end of the first liner 41, and a first positioning groove 43 that cooperates with the first positioning rod 32 at the lower part of the first cover plate 42.

[0028] The second liner mechanism includes a second liner 51 clamped between two adjacent partition frames 31. The end of the second liner 51 is formed with a second cover plate 52. The lower part of the second cover plate 52 is provided with a second positioning groove 53 that cooperates with the second positioning rod 33.

[0029] The assembly mechanism includes a boss 61 formed on the first liner 41 and a slot 62 formed on the second liner 51, with the boss 61 and the slot 62 engaging in a plug-in fit.

[0030] It should be noted that a clamping interval is provided between the central bearing ring 21 and the base 1. The combined width of the first liner 41 and the second liner 51 is adapted to the width of the clamping interval. The adapted combined width of the first liner 41 and the second liner 51 can be embedded in the annular space between the base 1 and the central bearing ring 21 during installation, providing radial positioning for the liner assembly structure, preventing radial shaking or displacement during operation, and ensuring operational stability and concentricity. During installation, the operator only needs to place the assembled liner unit radially into this clamping interval to naturally align the position, solving the problem of complex radial fixing methods such as screws, wedges or multiple clips required in traditional split liners, and simplifying the installation and disassembly steps.

[0031] In this embodiment, the combination of the first liner plate 41 and the second liner plate 51 is a modular design, and they are installed at equal angle intervals on each partition frame 31. During installation, the first liner plate 41 is first pressed into the pressure ring plate 23, and the first positioning groove 43 is inserted and fixed with the first positioning rod 32. Subsequently, the second positioning groove 53 of the second liner plate 51 is engaged with the second positioning rod 33. At this time, the boss 61 on the first liner plate 41 and the slot 62 opened on the second liner plate 51 are inserted and engaged, and the combination of the first liner plate 41 and the second liner plate 51 is used as a whole for grinding. At this time, the first liner plate 41 and the second liner plate 51 have multiple horizontal and radial connection structures, and no bolts are required for connection. Stable connection can be achieved simply by combining horizontal and radial structures. When wear occurs, the area can be replaced, reducing the cost of use and maintenance.

[0032] Understandably, the end of the first liner 41 is clamped between the pressure ring plate 23, the center rod 22, and the middle bearing ring 21. During installation, one end of the first liner 41 is embedded in the "U-shaped" clamping groove formed by the combination of the pressure ring plate 23, the center rod 22, and the middle bearing ring 21, which limits and clamps its end. All liners have a unified and reliable fixing point on their inner side, ensuring that all liners are precisely arranged with the center as the reference, thus guaranteeing the overall concentricity. Because the first cover plate 42 at the front and rear ends of the first liner 41 is combined with the first positioning rod 32 through the first positioning groove 43, it performs double-end clamping and limiting in the lateral and radial positions, effectively improving the installation stability of the liner.

[0033] To facilitate the grinding of materials, the combination of the first liner 41 and the second liner 51 is further designed as a slope structure. When the grinding roller presses on the combination of the first liner 41 and the second liner 51, the material will move from the slope to the lower slope under the pressure and centrifugal force of the grinding roller, thus realizing repeated crushing and grinding of the material.

[0034] To further limit the positioning of the cover plate of the combined first liner 41 and second liner 51, a first positioning rod 32 and a second positioning rod 33 are symmetrically arranged on the partition frame 31. The two first positioning rods 32 and the two positioning rods 33 are respectively connected to the two adjacent first liner 41 and second liner 51. The adjacent first liner 41 and second liner 51 can be quickly assembled together through a shared partition frame 31, which simplifies the operation steps of the installers. They only need to assemble the combined first liner 41 and second liner 51 around the center, which improves the installation efficiency and reduces the probability of errors.

[0035] To further improve the wear resistance of the liner surface, the first liner 41 and the second liner 51 are further provided with a wear-resistant coating.

[0036] It should be understood that the specific embodiments described above are merely illustrative or explanatory of the principles of this utility model and do not constitute a limitation thereof. Therefore, any modifications, equivalent substitutions, improvements, etc., made without departing from the spirit and scope of this utility model should be included within its protection scope. Furthermore, the appended claims are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. A new type of fixing structure of a mill disc liner plate, characterized in that, Includes a base (1), and the pressure ring mechanism includes a central support ring (21) disposed in the middle of the base (1), a central rod (22) is inserted into the central support ring (21), and a pressure ring plate (23) is formed on the top of the central rod (22). The separation mechanism includes a partition frame (31) spaced apart in the inner cavity of the base (1). The partition frame (31) has a first positioning rod (32) protruding near the center and a second positioning rod (33) protruding away from the center. The first liner mechanism includes a first liner (41) clamped between two adjacent partition frames (31), the end of the first liner (41) is formed with a first cover plate (42), and the lower part of the first cover plate (42) is provided with a first positioning groove (43) that cooperates with the first positioning rod (32). The second liner mechanism includes a second liner (51) clamped between two adjacent partition frames (31), the end of the second liner (51) is formed with a second cover plate (52), and the lower part of the second cover plate (52) is provided with a second positioning groove (53) that cooperates with the second positioning rod (33). The assembly includes a boss (61) formed on the first liner (41) and a slot (62) formed on the second liner (51), the boss (61) and the slot (62) being inserted into each other.

2. A new type of fixing structure of abrasive disc lining plate according to claim 1, characterized in that, A clamping interval is provided between the middle support ring (21) and the base (1), and the combined width of the first liner (41) and the second liner (51) is adapted to the width of the clamping interval.

3. A new type of fixing structure of abrasive disc lining plate according to claim 1, characterized in that, The combination of the first liner (41) and the second liner (51) is a sloping structure.

4. The novel fixing structure for a grinding disc liner according to claim 1, characterized in that, The end of the first liner (41) is clamped between the pressure ring plate (23), the central rod (22) and the middle bearing ring (21).

5. The novel fixing structure for a grinding disc liner according to claim 1, characterized in that, The separator (31) is symmetrically provided with the first positioning rod (32) and the second positioning rod (33), and the two first positioning rods (32) and the two second positioning rods (33) are respectively connected to the two adjacent first liner plates (41) and the second liner plates (51).

6. The novel fixing structure for a grinding disc liner according to claim 1, characterized in that, The surface of the first liner (41) and the second liner (51) is formed with a wear-resistant coating.

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