Externally-mounted mill lining plate

Abstract

The utility model provides an externally-mounted mill lining plate, and relates to the technical field of mill lining plates. The externally-mounted mill lining plate comprises a threaded seat, a base plate and angle iron, the threaded seat sequentially comprises a main body block, a limiting block and an anti-rotation insertion block from top to bottom; a threaded hole is formed in the bottom of the threaded seat; a plurality of insertion holes matched with the anti-rotation insertion blocks are formed in the base plate; the anti-rotation insertion block is inserted into the insertion hole to limit rotation of the threaded seat; the angle iron is welded with the base plate, and the angle iron presses the limiting block on the base plate to prevent the anti-rotation insertion block from falling off from the insertion hole; the externally-mounted mill lining plate is lifted and positioned in the mill through a manipulator, and bolts are in threaded connection with the threaded holes after passing through the mounting holes of the mill barrel from the outside, so that the mill lining plate is mounted and dismounted from the outside, and the mounting and dismounting safety of the mill lining plate is greatly improved; the structural stability of the threaded seat in the mill lining plate is improved through pressing of angle iron on a limiting block and anti-rotation matching of an anti-rotation insertion block and an insertion hole, and the loading and unloading safety of the mill lining plate is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mill linings, in particular to an externally mounted mill lining. Background Art

[0002] In the field of mill linings, rubber composite linings have the advantages of long life, light weight, easy installation and low noise, so rubber composite linings are increasingly used in mining mills.

[0003] With the widespread application of rubber composite linings, the safety of their installation and disassembly has received more and more attention. At present, the installation method of most rubber composite linings is that the screw of the bolt passes through the rubber composite lining and the mill cylinder from the inside to the outside in turn and is connected with the nut thread. The loading and unloading of this rubber composite lining requires workers to enter the mill cylinder to operate, and the safety needs to be improved. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an externally mounted mill liner, which solves the problem that the safety of loading and unloading the mill liner needs to be improved.

[0005] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] An externally mounted mill liner, a threaded seat, a backing plate and an angle iron;

[0007] The threaded seat comprises, from top to bottom, a main body block, a limit block and an anti-rotation plug block;

[0008] The bottom of the threaded seat is provided with a threaded hole extending toward the top;

[0009] The backing plate is provided with a plurality of insertion holes matching with the anti-rotation plug blocks;

[0010] The anti-rotation plug block is inserted into the plug hole to limit the rotation of the threaded seat, and the limit block is stuck above the plug hole;

[0011] The angle iron is welded to the backing plate, and the angle iron presses the limit block onto the backing plate.

[0012] Preferably, the cross section of the anti-rotation plug is non-circular, so that the anti-rotation plug can limit the rotation of the threaded seat when inserted into the plug hole.

[0013] Preferably, the limit block is provided with a straight edge matching the angle iron, and the angle iron is clamped with the straight edge, thereby limiting the longitudinal displacement of the threaded seat and also limiting the rotation of the threaded seat.

[0014] Preferably, the externally mounted mill liner further comprises: a rubber body;

[0015] The threaded seat, the pad and the angle iron are all embedded in the bottom of the rubber body.

[0016] Preferably, a plurality of wear-resistant steel plates are embedded on the top of the rubber body.

[0017] Preferably, the externally mounted mill liner further comprises: a plurality of lifting ears;

[0018] The lifting lug is fixedly connected to the backing plate.

[0019] The utility model provides an externally mounted mill liner. Compared with the prior art, it has the following beneficial effects:

[0020] In the utility model, the externally mounted mill liner comprises: a threaded seat, a pad and an angle iron; the threaded seat comprises: a main body block, a limit block and an anti-rotation plug block in order from top to bottom; a threaded hole extending toward the top is provided at the bottom of the threaded seat; a plurality of sockets matching the anti-rotation plug blocks are provided on the pad; the anti-rotation plug blocks are inserted into the sockets to limit the rotation of the threaded seat, and the limit blocks are stuck above the sockets to limit the depth of the threaded seat inserted into the sockets; the angle iron is welded to the pad, and the angle iron presses the limit blocks on the pad to prevent the anti-rotation plug blocks from falling off from the sockets; the externally mounted mill liner is positioned in the mill by lifting through a manipulator, and bolts are threadedly connected to the threaded holes after passing through the mounting holes of the mill cylinder from the outside, thereby realizing the installation and disassembly of the mill liner from the outside, greatly improving the loading and unloading safety of the mill liner; the pressing of the limit blocks by the angle iron and the anti-rotation cooperation between the anti-rotation plug blocks and the sockets improve the structural stability of the threaded seat in the mill liner, and further improves the loading and unloading safety of the mill liner. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is an exploded view of the assembly of the threaded seat, the backing plate and the angle iron in the embodiment of the utility model;

[0023] Figure 2 It is a schematic diagram of the assembly of the threaded seat, the backing plate and the angle iron in the embodiment of the utility model;

[0024] Figure 3 It is a longitudinal cross-sectional view of an externally mounted mill liner in an embodiment of the utility model;

[0025] Figure 4 It is an axonometric view of an externally mounted mill liner in an embodiment of the utility model;

[0026] Figure 5 This is a schematic diagram of the structure of the threaded seat in the embodiment of the utility model;

[0027] The reference numerals in the figure are set as: threaded seat 10, main body block 11, limit block 12, anti-rotation plug block 13, threaded hole 14, backing plate 20, plug hole 21, angle iron 30, rubber body 40, and lifting ear 50. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] The embodiment of the present application solves the problem that the safety of loading and unloading of mill liners needs to be improved by providing an externally mounted mill liner.

[0030] The technical solution in the embodiment of the present application is to solve the above technical problems, and the overall idea is as follows:

[0031] In the embodiment of the utility model, the externally mounted mill liner comprises: a threaded seat, a pad and an angle iron; the threaded seat comprises: a main body block, a limit block and an anti-rotation plug block in order from top to bottom; a threaded hole extending toward the top is provided at the bottom of the threaded seat; the pad is provided with a plurality of sockets matching the anti-rotation plug block; the anti-rotation plug block is inserted into the socket to limit the rotation of the threaded seat, and the limit block is stuck above the socket to limit the depth of the threaded seat inserted into the socket; the angle iron is welded to the pad, and the angle iron presses the limit block on the pad to prevent the anti-rotation plug block from falling off from the socket; the externally mounted mill liner is positioned in the mill by lifting through a manipulator, and bolts are threadedly connected to the threaded holes after passing through the mounting holes of the mill cylinder from the outside, thereby realizing the installation and disassembly of the mill liner from the outside, greatly improving the loading and unloading safety of the mill liner; the pressing of the limit block by the angle iron and the anti-rotation cooperation between the anti-rotation plug block and the socket improve the structural stability of the threaded seat in the mill liner, and further improves the loading and unloading safety of the mill liner.

[0032] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0033] Example:

[0034] like Figure 1 to Figure 5 As shown, the utility model provides an external mill liner, which includes: a threaded seat 10, a backing plate 20 and an angle iron 30;

[0035] The threaded seat 10 includes, from top to bottom, a main body block 11, a limit block 12 and an anti-rotation plug block 13;

[0036] The bottom of the threaded seat 10 is provided with a threaded hole 14 extending toward the top;

[0037] The backing plate 20 is provided with a plurality of insertion holes 21 matching with the anti-rotation plug blocks 13;

[0038] The anti-rotation plug block 13 is inserted into the insertion hole 21 to limit the rotation of the threaded seat 10, and the limit block 12 is stuck above the insertion hole 21 to limit the depth of the threaded seat 10 inserted into the insertion hole 21;

[0039] The angle iron 30 is welded to the backing plate 20 , and the angle iron 30 presses the limit block 12 onto the backing plate 20 to prevent the anti-rotation plug block 13 from falling off from the insertion hole 21 .

[0040] The externally mounted mill liner is positioned in the mill by lifting with a manipulator, and bolts are threadedly connected to the threaded holes 14 after passing through the mounting holes of the mill cylinder from the outside, thereby realizing the installation and disassembly of the mill liner from the outside, greatly improving the safety of loading and unloading of the mill liner; the pressing of the limit block 12 by the angle iron 30 and the anti-rotation cooperation between the anti-rotation plug block 13 and the plug hole improve the structural stability of the threaded seat 10 in the mill liner, further improving the safety of loading and unloading of the mill liner.

[0041] like Figure 5 As shown, the cross section of the anti-rotation plug 13 is non-circular, so that the anti-rotation plug 13 inserted into the insertion hole 21 can limit the rotation of the threaded seat 10.

[0042] like Figure 1 , Figure 2 , Figure 5 As shown, the limit block 12 is provided with a straight edge matching the angle iron 30 , and the angle iron 30 is engaged with the straight edge, which limits the longitudinal displacement of the threaded seat 10 while also limiting the rotation of the threaded seat 10 .

[0043] like Figure 3 , Figure 4 As shown, the external mill liner also includes: a rubber body 40;

[0044] The threaded seat 10 , the backing plate 20 and the angle iron 30 are all embedded in the bottom of the rubber body 40 .

[0045] like Figure 3 As shown, a plurality of wear-resistant steel plates are embedded on the top of the rubber body 40 .

[0046] like Figure 3 , Figure 4 As shown, the externally mounted mill liner further comprises: a plurality of lifting ears 50;

[0047] The lifting lug 50 is fixedly connected to the backing plate 20, providing a support point for the lifting and positioning of the external mill liner.

[0048] In summary, compared with the prior art, the utility model has the following beneficial effects:

[0049] In the embodiment of the utility model, the externally mounted mill liner comprises: a threaded seat, a pad and an angle iron; the threaded seat comprises: a main body block, a limit block and an anti-rotation plug block in order from top to bottom; a threaded hole extending toward the top is provided at the bottom of the threaded seat; the pad is provided with a plurality of sockets matching the anti-rotation plug block; the anti-rotation plug block is inserted into the socket to limit the rotation of the threaded seat, and the limit block is stuck above the socket to limit the depth of the threaded seat inserted into the socket; the angle iron is welded to the pad, and the angle iron presses the limit block on the pad to prevent the anti-rotation plug block from falling off from the socket; the externally mounted mill liner is positioned in the mill by lifting through a manipulator, and bolts are threadedly connected to the threaded holes after passing through the mounting holes of the mill cylinder from the outside, thereby realizing the installation and disassembly of the mill liner from the outside, greatly improving the loading and unloading safety of the mill liner; the pressing of the limit block by the angle iron and the anti-rotation cooperation between the anti-rotation plug block and the socket improve the structural stability of the threaded seat in the mill liner, and further improves the loading and unloading safety of the mill liner.

[0050] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0051] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An external mill liner, characterized in that: The externally mounted mill liner comprises: a threaded seat (10), a backing plate (20) and an angle iron (30); The threaded seat (10) comprises, from top to bottom, a main body block (11), a limit block (12) and an anti-rotation plug block (13); The bottom of the threaded seat (10) is provided with a threaded hole (14) extending toward the top; The backing plate (20) is provided with a plurality of insertion holes (21) matching with the anti-rotation plug-in blocks (13); The anti-rotation plug block (13) is inserted into the insertion hole (21) to limit the rotation of the threaded seat (10), and the limit block (12) is stuck above the insertion hole (21); The angle iron (30) is welded to the backing plate (20), and the angle iron (30) presses the limit block (12) onto the backing plate (20).

2. The external mill liner according to claim 1, characterized in that: The cross section of the anti-rotation plug (13) is non-circular, so that the anti-rotation plug (13) can limit the rotation of the threaded seat (10) when inserted into the insertion hole (21).

3. The external mill liner according to claim 1, characterized in that: The limit block (12) is provided with a straight edge matching the angle iron (30), and the angle iron (30) is clamped with the straight edge, thereby limiting the longitudinal displacement of the threaded seat (10) and also limiting the rotation of the threaded seat (10).

4. The external mill liner according to claim 1, characterized in that: The external mill liner also includes: a rubber body (40); The threaded seat (10), the backing plate (20) and the angle iron (30) are all embedded in the bottom of the rubber body (40).

5. The external mill liner according to claim 4, characterized in that: A plurality of wear-resistant steel plates are embedded on the top of the rubber body (40).

6. The external mill liner according to claim 1, characterized in that: The externally mounted mill liner also includes: a plurality of lifting ears (50); The lifting lug (50) is fixedly connected to the backing plate (20).

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