Rubber sealing gasket for assembling of mill liners and installation method thereof

A rubber gasket and mill technology, applied in the direction of engine sealing, mechanical equipment, engine components, etc., can solve the problems of difficult maintenance, expansion of bolt hole deformation, large maintenance costs, etc., to prolong the service life of equipment and improve economic benefits. , the effect of improving reliability

Inactive Publication Date: 2012-06-13
JIANGXI RARE EARTH & RARE METALS TUNGSTEN GRP HLDG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Mills are generally large in size, heavy in equipment, difficult to overhaul, and expensive to overhaul
The grinding medium filled in the mill is steel ball or steel rod. As the mill rotates, it will impact and grind the ore rock to achieve the purpose of crushing minerals. The large impact and wear will loosen the liner bolts and cause the cylinder to leak ore; the loose liner will cause friction damage to the mill cylinder, and at the same time the loose liner bolts will form extrusion wear with the mill cylinder bolt holes, ca

Method used

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  • Rubber sealing gasket for assembling of mill liners and installation method thereof
  • Rubber sealing gasket for assembling of mill liners and installation method thereof
  • Rubber sealing gasket for assembling of mill liners and installation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Example 1 Such as Figure 1-3 Shown: a rubber gasket for assembling the mill liner. The rubber gasket of the mill liner is a hollow cylindrical rubber gasket 4 with thick ends and a thin middle section. The cross-section of the two hollow thick ends 1 is Triangular shape, the thin hollow cylinder 2 in the middle section connects the two hollow thick ends 1 into one; the two hollow thick ends 1 share the same smooth inner cylindrical surface 3 with the inner cavity of the thin hollow cylinder 2 in the middle section, which is convenient Insert bolt 7.

Embodiment 2

[0019] Example 2 Such as Figure 4 Shown: an installation method for assembling the rubber gasket of the mill liner, including the mill liner 5 and the mill cylinder 6 that have been aligned and matched with the bolt installation holes processed:

[0020] [1] Lift the mill liner 5 piece by piece to the predetermined installation position in the mill cylinder 6, and align the bolt installation holes of the two; the bolt holes of the mill liner 5 and the mill cylinder 6 are aligned with the bolt holes 7, there is a matching gap for installing the hollow cylindrical rubber gasket 4, and put the soft hollow cylindrical rubber gasket 4 into the bolt installation holes aligned with the mill liner 5 and the mill barrel 6 holes and unfold smoothly.

[0021] [2] From the side of the mill liner 5, insert the bolt 7 into the installed hollow cylindrical rubber gasket 4, pass through the mill barrel 6, install and tighten the nut, the bolt head and the nut washer are respectively pr...

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PUM

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Abstract

The invention relates to a rubber sealing gasket for assembling of mill liners and an installation method thereof. The rubber sealing gasket for assembling of mill liners is a hollow cylindrical rubber sealing gasket having both hollow thick ends and a hollow thin middle part. Sections of the both hollow thick ends are triangular. The hollow both thick ends are combined by the hollow thin middle part which is cylindrical. The hollow both thick ends and a cavity of the hollow thin middle part which is cylindrical form a common smooth inner cylindrical surface so that the insertion of bolts is convenient. The installation method of the rubber sealing gasket for assembling of mill liners comprises the following steps of 1, lifting and carrying mill liners to preset installation positions in a mill cylinder one by one, 2, aligning bolt installation holes of the mill liners and bolt installation holes of the preset installation positions of the mill cylinder, 3, installing the hollow cylindrical rubber sealing gaskets which are soft into the bolt installation holes which belong to the mill liners and the preset installation positions of the mill cylinder and are aligned, 4, inserting bolts into the bolt installation holes from the mill liners, and 5, installing nuts on parts which belong to the bolts and stretch out from the bolt installation holes and tightening the nuts, wherein the heads of the bolts and nut gaskets respectively press the both hollow thick ends of the hollow cylindrical rubber sealing gasket. The rubber sealing gasket for assembling of mill liners can produce effects of sealing, buffering and protection in assembling of mill liners in a mill cylinder.

Description

technical field [0001] The invention relates to a rubber sealing pad, in particular to a rubber sealing pad used in a mine beneficiation plant and a cement plant for a rod mill and a ball mill assembly mill liner and an installation method thereof. Background technique [0002] Grinding mill is the main production equipment for crushing and grinding ore rocks in mine concentrators, cement plants, etc. The intact rate and operating rate of the mill are the key to determine the continuity of production and the completion of production tasks. Mills are generally large in size, heavy in equipment, difficult to overhaul, and expensive to overhaul. The grinding medium filled in the mill is steel ball or steel rod. As the mill rotates, it will impact and grind the ore rock to achieve the purpose of crushing minerals. The large impact and wear will loosen the liner bolts, resulting in ore leakage from the cylinder; the loose liner will be damaged by friction with the mill cylinder,...

Claims

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Application Information

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IPC IPC(8): B02C17/18F16J15/10
Inventor 文柏茂
Owner JIANGXI RARE EARTH & RARE METALS TUNGSTEN GRP HLDG CO LTD
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