CN212493257U - Lining plate for ball mill cylinder - Google Patents
Lining plate for ball mill cylinder Download PDFInfo
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- CN212493257U CN212493257U CN202021017641.5U CN202021017641U CN212493257U CN 212493257 U CN212493257 U CN 212493257U CN 202021017641 U CN202021017641 U CN 202021017641U CN 212493257 U CN212493257 U CN 212493257U
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- ball mill
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Abstract
The utility model discloses a welt for ball mill barrel, including at least two sets of ladder ripple liner plate subassembly that sets up along the axial direction of ball mill barrel, ladder ripple liner plate subassembly all with the inside wall fixed connection of ball mill barrel, the middle part of every group ladder ripple liner plate subassembly all is equipped with the punishment in advance hole, and the size in punishment in advance hole reduces along the ejection of compact direction of ball mill gradually. The utility model discloses simple structure successfully combines together three kinds of welt forms of hierarchical, ladder and ripple, and the setting of ladder ripple welt subassembly can be taken material and rinding body to certain height to change original sliding friction into rolling friction, prolonged the life of ladder ripple welt, improved the crushing efficiency of material.
Description
Technical Field
The utility model belongs to the technical field of the ore dressing production facility, concretely relates to welt for ball mill barrel.
Background
The lining plate of the ball mill is used for protecting the cylinder body of the ball mill, so that the cylinder body is prevented from being directly impacted and abraded by the grinding body and materials, and meanwhile, the movement state of the grinding body can be adjusted by utilizing the lining plates in different forms, so that the grinding effect of the grinding body on the materials is enhanced, the grinding efficiency of the mill is improved, the yield is increased, and the metal consumption is reduced. When a lining plate in the existing ball mill works, the lining plate can be repeatedly collided by a grinding body and materials, so that the lining plate is very easy to loosen and even damage. The lining plate is frequently replaced in the production process, so that the production efficiency is greatly influenced, and the barrel of the ball mill can be damaged if the lining plate is not replaced in time.
SUMMERY OF THE UTILITY MODEL
To the problem that present ball mill welt is more single, material transport efficiency is not high and the welt is fragile, the utility model provides a welt is a modular welt for the ball mill barrel, will grade, ladder and ripple combination, greatly improved the grinding efficiency of material.
For solving the above technical problem, the utility model discloses the technical scheme who adopts as follows:
the utility model provides a welt for ball mill barrel, includes at least two sets of ladder ripple liner plate subassembly that sets up along the axial direction of ball mill barrel, and the central line of ladder ripple liner plate subassembly coincides mutually with the axis of ball mill barrel, ladder ripple liner plate subassembly all with the inside wall fixed connection of ball mill barrel, the middle part of every group ladder ripple liner plate subassembly all is equipped with the punishment in advance hole, the size in punishment in advance hole reduces along the ejection of compact direction of ball mill gradually.
The stepped corrugated lining plate component comprises a plurality of stepped corrugated lining plates, each stepped corrugated lining plate comprises a lining plate body, one side of each lining plate body is provided with a mounting surface matched with the ball mill cylinder body, the other side of each lining plate body is provided with a stepped structure which is in contact with a material to be ground, and the lining plate bodies are connected end to form an annular body.
The outer surface of the annular body is connected with the inner side wall of the ball mill cylinder in a matched mode, the height of the step structure of each annular body is gradually increased along the discharging direction of the ball mill, the linear distance from the vertex of the step structure close to the discharging end of the ball mill to the central axis of the ball mill cylinder is larger than the radius of the discharging hole of the ball mill, and the linear distance from the vertex of the step structure close to the feeding hole of the ball mill to the central axis of the ball mill cylinder is larger than the radius of the feeding hole of the ball mill.
The stepped structure comprises at least two wave crests, the two wave crests are connected smoothly through wave troughs, and a positioning hole for fixing the lining plate body is formed in at least one wave trough; the wave crests and the wave troughs are all arranged in a direction parallel to the central axis of the ball mill cylinder, and the heights of the wave crests and the wave troughs of each annular body in the discharging direction of the ball mill are gradually increased.
And a damping pad for protecting the ball mill cylinder is arranged between the mounting surface and the inner side wall of the ball mill cylinder.
The mounting surface is provided with at least two arc-shaped grooves which are symmetrically arranged at two sides of the positioning hole.
The quantity of crest is four, and four crests are first crest, second crest, third crest and fourth crest in proper order, and first crest passes through first trough and second crest smooth connection, and the second crest passes through second trough and third crest smooth connection, and the third crest passes through third trough and fourth crest smooth connection, and the direction of rotation of ball mill barrel is gradually increased along the height of first crest, second crest, third crest and fourth crest.
The utility model has the advantages that:
the utility model has simple structure, successfully combines three lining plate forms of grading, ladder and corrugation, the arrangement of the ladder corrugation lining plate component can bring the material and the grinding body to a certain height, and changes the original sliding friction into rolling friction, thereby prolonging the service life of the ladder corrugation lining plate and improving the crushing efficiency of the material; the arc-shaped grooves reduce the contact between the mounting surface and the inner side wall of the ball mill cylinder, so that the ball mill cylinder and the mounting surface are convenient to coincide, and the stepped corrugated lining plate is more stably mounted; in addition, the weight of the stepped corrugated lining plate can be reduced, the material of the stepped corrugated lining plate is saved, the cost is reduced, and the bearing capacity of the stepped corrugated lining plate cannot be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a stepped corrugated liner plate.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a sectional view a-a of fig. 2.
Fig. 4 is a sectional view B-B of fig. 2.
FIG. 5 is a schematic view of the distribution of stepped corrugated liners in a ball mill bowl.
In the figure, 1 is a ball mill cylinder, 2 is a stepped corrugated liner, 2-1 is a liner body, 2-2 is a mounting surface, 2-3 is a first peak, 2-4 is a second peak, 2-5 is a third peak, 2-6 is a fourth peak, 2-7 is a first trough, 2-8 is a second trough, 2-9 is a third trough, 2-10 is an arc-shaped groove, 2-11 is a positioning hole, and 3 is a shock pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
A liner plate for a ball mill cylinder comprises at least two groups of stepped corrugated liner plate assemblies uniformly arranged along the axial direction of a ball mill cylinder 1, as shown in figure 5, the central line of the stepped corrugated liner plate assemblies is coincident with the central axis of the ball mill cylinder 1, and the stepped corrugated liner plate assemblies are fixedly connected with the inner side wall of the ball mill cylinder 1 so as to protect the inner side wall of the ball mill cylinder 1 and prevent materials from repeatedly falling to damage the cylinder; the middle part of each group of stepped corrugated lining plate assemblies is provided with a material passing hole, a material to be ground enters the cylinder body 1 of the ball mill from a feeding hole of the cylinder body, and the material to be ground enters a discharging hole of the cylinder body 1 of the ball mill from the material passing hole after being ground into small particles under the material carrying and crushing effects of the stepped corrugated lining plate assemblies along with the rotation of the ball mill; the size of the material passing hole is gradually reduced along the discharging direction of the ball mill, so that a grinding body such as a large steel ball in the ball mill cylinder 1 can be maintained at the feeding end of the ball mill cylinder 1, and materials with larger sizes entering the ball mill cylinder 1 from the feeding hole can be better crushed.
The stepped corrugated lining plate component comprises a plurality of stepped corrugated lining plates 2, as shown in figure 2, each stepped corrugated lining plate 2 comprises a lining plate body 2-1, one side of each lining plate body 2-1 is provided with an installation surface 2-2 matched with the inner side wall of the ball mill cylinder body 1, and the installation surface 2-2 is tightly connected with the inner side wall of the ball mill cylinder body 1, so that materials can be prevented from entering the ball mill to protect the ball mill; the other side of the lining plate body 2-1 is provided with a stepped structure which is contacted with the material to be ground, the stepped structure can bring the material and the grinding body to a certain height, and the material and the grinding body fall from a higher position to generate larger impact force so as to be convenient for crushing the material; the lining plate bodies 2-1 are sequentially and smoothly connected end to form annular bodies, the outer surfaces of the annular bodies are matched and connected with the inner side wall of the ball mill cylinder 1, the interiors of the annular bodies are hollow structures, namely material passing holes, and the height of the step structure of each annular body is gradually increased along the discharge direction of the ball mill, so that a grading lining plate can be formed, steel balls are graded in the positive direction along the axial direction of the ball mill cylinder 1 according to the size of the ball diameter, and the steel balls of all sizes can fully perform the grinding function; the arrangement direction of the stepped structure is parallel to the central axis of the ball mill cylinder 1, and the central line of the annular body is coincided with the central axis of the ball mill cylinder 1, so that the material can flow conveniently; the linear distance from the vertex of the stepped structure close to the discharge end of the ball mill to the central axis of the ball mill cylinder 1 is greater than the radius of the discharge hole of the ball mill, and the linear distance from the vertex of the stepped structure close to the feed hole of the ball mill to the central axis of the ball mill cylinder 1 is greater than the radius of the feed hole of the ball mill, so that the materials can be conveniently ground for feeding and discharging. In the embodiment, the lining plate body 2-1, the mounting surface 2-2 and the stepped structure are integrally formed, so that the strength of the stepped corrugated lining plate 2 is improved.
Each step structure comprises at least two wave crests, the two wave crests are connected smoothly through the wave troughs, a positioning hole 2-11 is formed in at least one wave trough, the positioning hole 2-11 can be a circular threaded hole or an oval threaded hole, and the step corrugated lining plate 2 and the ball mill barrel 1 can be connected by inserting a corresponding bolt into the positioning hole 2-11, so that later-stage disassembly and maintenance are facilitated. In this embodiment, the number of the wave crests on each stepped corrugated liner 2 is four, as shown in fig. 1, the four wave crests are a first wave crest 2-3, a second wave crest 2-4, a third wave crest 2-5 and a fourth wave crest 2-6 in sequence, the first wave crest 2-3 is smoothly connected with the second wave crest 2-4 through a first wave trough 2-7, the second wave crest 2-4 is smoothly connected with the third wave crest 2-5 through a second wave trough 2-8, the third wave crest 2-5 is smoothly connected with the fourth wave crest 2-6 through a third wave trough 2-9, and the heights of the first wave crest 2-3, the second wave crest 2-4, the third wave crest 2-5 and the fourth wave crest 2-6 are gradually increased along the rotation direction of the ball mill cylinder 1, so as to better carry the material and bring the material to a higher height, increasing the impact force. The first wave crest 2-3, the second wave crest 2-4, the third wave crest 2-5, the fourth wave crest 2-6, the first wave trough 2-7, the second wave trough 2-8 and the third wave trough 2-9 on each stepped corrugated lining plate 2 are all arranged in parallel along the central axis direction of the ball mill cylinder 1, and the heights of the wave crests or the wave troughs on the adjacent stepped corrugated lining plates 2 are gradually increased along the discharging direction of the ball mill, so that the sliding friction of materials or grinding bodies and the cylinder lining plates can be changed into rolling friction to protect the stepped corrugated lining plates 2 and prolong the service life of the lining plates.
A shock pad for protecting the ball mill cylinder body 1 is arranged between the mounting surface 2-2 and the inner side wall of the ball mill cylinder body 1, the shock pad can isolate the stepped corrugated lining plate 2 from the ball mill cylinder body, and the working noise of the ball mill is effectively reduced.
The mounting surface 2-2 is provided with at least two arc-shaped grooves 2-10, and the two arc-shaped grooves 2-10 are symmetrically arranged on two sides of the positioning hole 2-11. In the embodiment, as shown in fig. 3 and 4, the number of the arc-shaped grooves 2-10 on one stepped corrugated lining plate 2 is four, the four arc-shaped grooves 2-10 are symmetrically arranged around the positioning holes 2-11, and the arrangement of the arc-shaped grooves 2-10 can reduce the contact between the mounting surface 2-2 and the inner side wall of the ball mill cylinder 1, so that the two arc-shaped grooves can be matched conveniently, and the stepped corrugated lining plate 2 can be mounted more stably; in addition, the weight of the stepped corrugated lining plate 2 can be reduced, the material of the stepped corrugated lining plate 2 is saved, and the bearing capacity of the stepped corrugated lining plate 2 cannot be reduced.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a welt for ball mill barrel, its characterized in that includes at least two sets of ladder ripple liner plate subassembly that sets up along the axial direction of ball mill barrel (1), ladder ripple liner plate subassembly all with the inside wall fixed connection of ball mill barrel (1), the middle part of every group ladder ripple liner plate subassembly all is equipped with the punishment in advance hole, the size of punishment in advance hole reduces along the ejection of compact direction of ball mill gradually.
2. The liner for the ball mill barrel according to claim 1, wherein the stepped corrugated liner assembly comprises a plurality of stepped corrugated liners (2), the stepped corrugated liners (2) comprise liner bodies (2-1), one side of each liner body (2-1) is provided with a mounting surface (2-2) matched with the ball mill barrel (1), the other side of each liner body (2-1) is provided with a stepped structure contacted with a material to be ground, and the liner bodies (2-1) of each group are sequentially connected end to form an annular body.
3. The liner plate for the ball mill cylinder according to claim 2, wherein the outer surface of the annular bodies is in matching connection with the inner side wall of the ball mill cylinder (1), the height of the step structure of each annular body gradually increases along the discharge direction of the ball mill, the linear distance from the vertex of the step structure close to the discharge end of the ball mill to the central axis of the ball mill cylinder (1) is greater than the radius of the discharge hole of the ball mill, and the linear distance from the vertex of the step structure close to the feed hole of the ball mill to the central axis of the ball mill cylinder (1) is greater than the radius of the feed hole of the ball mill.
4. Liner for ball mill barrels according to claim 2 or 3, wherein the stepped structure comprises at least two peaks, which are smoothly connected by troughs, and at least one trough is provided with a locating hole (2-11) for fixing the liner body (2-1); the wave crests and the wave troughs are all arranged in a direction parallel to the central axis of the ball mill cylinder (1), and the heights of the wave crests and the wave troughs are gradually increased along the discharging direction of the ball mill.
5. Liner for ball mill cartridges (1) according to claim 4, characterized in that a shock pad for protecting the ball mill cartridge (1) is provided between the mounting surface (2-2) and the inner side wall of the ball mill cartridge (1).
6. The liner for a ball mill barrel according to claim 2 or 5, wherein the mounting surface (2-2) is provided with at least two arc-shaped grooves (2-10), and the two arc-shaped grooves (2-10) are symmetrically arranged at two sides of the positioning hole (2-11).
7. Liner for ball mill cartridges according to claim 4, characterized in that the number of the peaks is four, four peaks are in turn a first peak (2-3), a second peak (2-4), a third peak (2-5) and a fourth peak (2-6), the first peak (2-3) is smoothly connected with the second peak (2-4) via a first trough (2-7), the second peak (2-4) is smoothly connected with the third peak (2-5) via a second trough (2-8), the third peak (2-5) is smoothly connected with the fourth peak (2-6) via a third trough (2-9), and the heights of the first wave peak (2-3), the second wave peak (2-4), the third wave peak (2-5) and the fourth wave peak (2-6) are gradually increased along the rotation direction of the ball mill cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021017641.5U CN212493257U (en) | 2020-06-05 | 2020-06-05 | Lining plate for ball mill cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021017641.5U CN212493257U (en) | 2020-06-05 | 2020-06-05 | Lining plate for ball mill cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN212493257U true CN212493257U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021017641.5U Active CN212493257U (en) | 2020-06-05 | 2020-06-05 | Lining plate for ball mill cylinder |
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| CN (1) | CN212493257U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113522460A (en) * | 2021-07-23 | 2021-10-22 | 曾庆峰 | Ball mill with non-cylindrical barrel |
| CN113843007A (en) * | 2021-08-13 | 2021-12-28 | 安徽金日晟矿业有限责任公司 | Screw type lining plate for ball mill |
-
2020
- 2020-06-05 CN CN202021017641.5U patent/CN212493257U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113522460A (en) * | 2021-07-23 | 2021-10-22 | 曾庆峰 | Ball mill with non-cylindrical barrel |
| CN113843007A (en) * | 2021-08-13 | 2021-12-28 | 安徽金日晟矿业有限责任公司 | Screw type lining plate for ball mill |
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