Replacement structure of lining plate and mill

By adopting a spliced ​​liner structure and an anti-clogging mechanism in the second chamber of the mill, the problem of low wear resistance of the liner was solved, thereby improving wear resistance and reducing energy consumption, and improving the working efficiency and material feeding efficiency of the mill.

CN223847050UActive Publication Date: 2026-01-30竹山县金龙节能有限公司
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Patent Information

Application Number
CN202423179551.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-01-30
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

The existing lining structure in the second chamber of the mill is mostly corrugated, which has low wear resistance, resulting in high energy consumption and reduced cement production efficiency.

Method used

The design employs a splicing liner structure, including a liner ring, support frame, splicing liner, insert rod, and nut. The liner is extended by the liner ring and support frame, and the splicing liner can be quickly disassembled and installed. It is also equipped with an anti-clogging mechanism to scrape off adhering cement powder.

Benefits of technology

It improves the wear resistance and installation stability of the liner, reduces energy consumption, and increases the working efficiency and material feeding efficiency of the mill.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lining plate replacement structure and a mill, and relates to the technical field of mills, the lining plate replacement structure comprises a first protection plate and a third protection plate, and one end of the first protection plate is provided with a partition plate. According to the replacement structure of the lining plate and the mill, the lining plate structure can be lengthened according to the length of a bin body by installing the lining ring and the supporting frame, then the splicing lining plate is spliced on the inner side of the lining ring and the inner side of the supporting frame, the abrasion resistance of the lining plate structure is improved, when the abraded splicing lining plate needs to be detached, a nut is directly detached from an insertion rod, and the replacement is convenient. The splicing lining plate is pulled towards one side, the inserting rod is driven to be separated from the inserting hole, then the splicing lining plate drives the first butt joint block to be separated from the first butt joint groove, meanwhile, the splicing lining plate drives the second butt joint block to be separated from the second butt joint groove, and the single splicing lining plate can be rapidly detached from the supporting frame and the lining ring to be replaced; the mounting stability of the spliced lining plates can be improved while the spliced lining plates are convenient to disassemble, and the working efficiency of the mill is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a mill technical field, concretely is a kind of replacement structure of lining plate and mill. BACKGROUND

[0002] Cement production is the process of converting natural minerals and raw materials into cement through a series of industrial processes. The main raw materials include limestone, clay, iron ore, and gypsum. First, the ore is processed by crushing and grinding to obtain the appropriate particle size. Then, the raw materials are heated to about 1450℃ in a rotary kiln through high-temperature calcination, and a chemical reaction occurs to produce clinker. Next, the clinker is mixed with an appropriate amount of gypsum, and the cement product is obtained after grinding. During the production process, a mill is used to grind the raw materials or clinker into powder. The ball mill is composed of a cylinder, lining plate, steel balls, and a transmission system. The raw materials or clinker are ground with steel balls in the cylinder to achieve the desired fineness.

[0003] However, the existing mill has lining plate structures installed on the inner walls of the first and second compartments. Most of the lining plate structures in the second compartment are corrugated. The single corrugated lining plate structure has low wear resistance and increases energy consumption, reducing the efficiency of cement production. Therefore, we propose a replacement structure of lining plate and mill. SUMMARY

[0004] The purpose of the present utility model is to provide a replacement structure of lining plate and mill to solve the problem of the corrugated lining plate structure in the second compartment of the mill on the market, which has low wear resistance and increases energy consumption.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a replacement structure of lining plate, including a first protective plate and a third protective plate, one end of the first protective plate is provided with a partition, the end of the partition away from the first protective plate is provided with a second protective plate, the end of the second protective plate away from the partition is provided with a lining ring and a support frame, and the third protective plate is arranged at the end of the support frame away from the lining ring.

[0006] Preferably, the inner side of the support frame is fixed with a connecting frame, the inner side of the connecting frame is provided with a ring-shaped distribution of insertion holes, and the inner wall of the lining ring is provided with a ring-shaped distribution of a first butt joint groove.

[0007] Preferably, the inner side of the lining ring and the support frame is provided with a spliced lining plate, the middle part of the connecting frame is provided with a sieve plate, one end of the spliced lining plate is connected with a first butt joint block distributed at equal intervals, and the side of the spliced lining plate is provided with a second butt joint groove.

[0008] Preferably, the other side of the spliced lining plate is connected with a second butt joint block, the middle part of the spliced lining plate is fixedly connected with an insertion rod, and the outer side of the insertion rod is threadedly sleeved with a nut.

[0009] The utility model provides a mill, including the base, the discharge gate and the first guard board, the upper side of base is equipped with the bin through bearing, one end of bin is equipped with the apron through bolt, the one end of apron is connected with the discharge pipe, the discharge gate is set up in one side of discharge pipe, the inboard of discharge pipe is fixed with the end plate, the end plate is equipped with anti -blocking mechanism near the inboard of discharge pipe, the first guard board, second guard board, third guard board, lining ring and baffle are all in the inner chamber of bin, the outboard of apron is equipped with drive assembly, and drive assembly is located the upper side of base.

[0010] Preferably, the anti-blocking mechanism comprises a scraper, a transmission shaft, a first gear and a second gear, one side of the end plate is provided with the transmission shaft through the bearing, and the outer side of the transmission shaft is connected with the scraper.

[0011] Preferably, the transmission shaft is fixedly connected with the first gear at the end away from the scraper, the first gear is meshingly connected with the second gear at one side, the second gear is connected with the motor through the shaft coupling at one end, and the motor is fixedly installed on the outer side of the discharge pipe.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The lining plate, the first butt joint block, the second butt joint block and the insertion rod are arranged, the lining plate structure can be lengthened according to the length of the bin by installing the lining ring and the support frame, the lining plate structure is improved in wear resistance by splicing the spliced lining plate on the inner side of the lining ring and the support frame; when the spliced lining plate to be worn is to be disassembled, the nut is disassembled from the insertion rod, the spliced lining plate is pulled to one side, the insertion rod is separated from the insertion hole, the spliced lining plate drives the first butt joint block to separate from the first butt joint groove, and the spliced lining plate drives the second butt joint block to separate from the second butt joint groove, so that the single spliced lining plate can be quickly disassembled from the support frame and the lining ring for replacement; the support frame and the lining ring are arranged, which facilitates the disassembly of the spliced lining plate, improves the installation stability of the spliced lining plate, and improves the working efficiency of the mill.

[0014] 2. The anti-blocking mechanism is arranged, the motor is started to drive the second gear to rotate, the second gear drives the first gear to rotate, the first gear drives the transmission shaft to drive the scraper to rotate, the scraper scrapes off the cement powder on the inner wall of the discharge pipe, prevents the cement powder from adhering for a long time and facilitates quick discharging, and improves the discharging efficiency of the mill. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is a three-dimensional sectional structure schematic diagram of the utility model;

[0017] Figure 3 It is the cover plate three-dimensional structure schematic view of the utility model;

[0018] Figure 4 It is the anti-blocking mechanism three-dimensional structure schematic view of the utility model;

[0019] Figure 5 It is the support frame three-dimensional structure schematic view of the utility model;

[0020] Figure 6 It is the lining ring three-dimensional structure schematic view of the utility model;

[0021] Figure 7 It is the spliced lining plate three-dimensional structure schematic view of the utility model.

[0022] In the drawing: 1, base; 2, bin body; 3, cover plate; 4, discharge pipe; 5, drive assembly; 6, No. 1 guard plate; 7, No. 2 guard plate; 8, anti-blocking mechanism; 801, scraper; 802, transmission shaft; 803, No. 1 gear; 804, No. 2 gear; 9, motor; 10, No. 3 guard plate; 11, support frame; 12, lining ring; 13, partition; 14, discharge port; 15, end plate; 16, connecting frame; 17, No. 1 butt joint groove; 18, insertion hole; 19, spliced lining plate; 20, sieve plate; 21, No. 1 butt joint block; 22, No. 2 butt joint groove; 23, No. 2 butt joint block; 24, insertion rod; 25, nut. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 2-7The utility model provides a technical scheme: a change structure of lining, including one -and -ten -thousandth protection board 6 and no.

[0025] In the specific implementation, the inner wall of the existing mill's one bin and two bins is provided with a lining structure, and the lining structure in the whole two bins is mostly provided with a corrugated shape. The single corrugated lining structure has low wear resistance, increases energy consumption, and reduces the cement production efficiency. The lining structure can be lengthened by installing the spliced lining plate 19 in the bin body 2, installing the lining ring 12 and the support frame 11 between the second protection plate 7 and the third protection plate 10, installing the spliced lining plate 19 on the inner side of the lining ring 12 and the support frame 11, improving the wear resistance of the lining structure, and removing the spliced lining plate 19 when it is needed to be removed. The nut 25 is removed from the insertion rod 24, the spliced lining plate 19 is pulled to the side, the insertion rod 24 is separated from the insertion hole 18, the spliced lining plate 19 drives the first abutting block 21 to separate from the first abutting groove 17, the spliced lining plate 19 drives the second abutting block 23 to separate from the second abutting groove 22, and the single spliced lining plate 19 can be quickly removed from the support frame 11 and the lining ring 12 for replacement. The installation stability of the spliced lining plate 19 is improved by the support frame 11 and the lining ring 12, the energy consumption is reduced by the multiple lining structures, and the working efficiency of the mill is improved.

[0026] Please refer to Figures 1-4A mill, including base 1, discharge port 14 and a number of protective plates 6, the upper portion of the base 1 is provided with a bin body 2 through the bearing, one end of the bin body 2 is provided with a cover plate 3 through the bolt, one end of the cover plate 3 is connected with a discharge pipe 4, the discharge port 14 is opened on one side of the discharge pipe 4, the inner side of the discharge pipe 4 is fixed with an end plate 15, the end plate 15 is provided with a anti-blocking mechanism 8 near the inner side of the discharge pipe 4, the first protective plate 6, the second protective plate 7, the third protective plate 10, the lining ring 12 and the partition plate 13 are located in the inner cavity of the bin body 2, the outer side of the cover plate 3 is provided with a drive assembly 5, and the drive assembly 5 is located above the base 1, the anti-blocking mechanism 8 includes a scraper 801, a transmission shaft 802, a first gear 803 and a second gear 804, one side of the end plate 15 is provided with a transmission shaft 802 through the bearing, the outer side of the transmission shaft 802 is connected with a scraper 801, one end of the transmission shaft 802 away from the scraper 801 is fixedly connected with a first gear 803, one side of the first gear 803 is engagedly connected with a second gear 804, one end of the second gear 804 is connected with a motor 9 through a shaft coupling, and the motor 9 is fixedly installed on the outer side of the discharge pipe 4, and the scraper 801 is provided in a cross structure.

[0027] In specific implementation, after the mill grinds the cement powder, the cement powder needs to be discharged through the discharge pipe 4, but the cement powder is relatively fine, and some of the cement powder will adhere to the inner wall of the discharge pipe 4, the motor 9 can be started to drive the second gear 804 to rotate, the second gear 804 drives the first gear 803 to rotate, the first gear 803 drives the transmission shaft 802 to drive the scraper 801 to rotate, and the scraper 801 scrapes the cement powder on the inner wall of the discharge pipe 4, so that the cement powder is prevented from adhering for a long time and the mill's discharging efficiency is improved.

[0028] Working principle: when the mill and the liner plate replacement structure are used, first, the drive assembly 5 drives the bin body 2 to rotate to grind the cement powder, the cement powder after once grinding enters the rear end of the bin body 2 from the partition plate 13, and is ground again, at the same time, the first protective plate 6, the second protective plate 7, the spliced lining plate 19 and the third protective plate 10 protect the inner wall of the bin body 2 to improve the wear resistance, the cement powder after grinding is discharged from the discharge pipe 4, and the anti-blocking mechanism 8 scrapes the cement powder adhered to the inner wall of the discharge pipe 4, so that the discharging efficiency is not affected, when the spliced lining plate 19 needs to be disassembled, the spliced lining plate 19 can be disassembled and replaced through the first butt joint block 21, the second butt joint block 23, the insertion rod 24 and the nut 25, and the working efficiency of the mill is improved, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0029] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A structure for replacing a liner plate comprising a first guard plate (6) and a third guard plate (10), characterized in that: One end of the first protective plate (6) is provided with a partition plate (13), the other end of the partition plate (13) is provided with a second protective plate (7), the other end of the second protective plate (7) is provided with a backing ring (12) and a support frame (11), and the third protective plate (10) is arranged at the other end of the support frame (11) away from the backing ring (12).

2. The structure for replacing a liner plate according to claim 1, characterized by: The inner side of the support frame (11) is fixedly connected with a connecting frame (16), the inner side of the connecting frame (16) is provided with a plurality of ring-shaped insertion holes (18), and the inner wall of the backing ring (12) is provided with a plurality of ring-shaped first butt grooves (17).

3. The structure for replacing a liner plate according to claim 2, characterized by: The inner sides of the backing ring (12) and the support frame (11) are provided with spliced backing plates (19), the middle part of the connecting frame (16) is provided with a sieve plate (20), one end of the spliced backing plate (19) is connected with a plurality of first butt blocks (21) arranged at equal intervals, and one side of the spliced backing plate (19) is provided with a plurality of second butt grooves (22).

4. The structure for replacing a liner plate according to claim 3, characterized in that: The other side of the spliced backing plate (19) is connected with a plurality of second butt blocks (23), the middle part of the spliced backing plate (19) is fixedly connected with an insertion rod (24), and the outer side of the insertion rod (24) is threadedly connected with a nut (25).

5. A mill using the liner replacement structure according to any one of claims 1 to 4, comprising a base (1), a discharge opening (14) and a first shield (6), characterized in that: The upper side of the base (1) is provided with a bin body (2) through a bearing, one end of the bin body (2) is provided with a cover plate (3) through a bolt, one end of the cover plate (3) is connected with a discharge pipe (4), the discharge port (14) is arranged on one side of the discharge pipe (4), the inner side of the discharge pipe (4) is fixedly connected with an end plate (15), the inner side of the end plate (15) is provided with an anti-blocking mechanism (8), the first protective plate (6), the second protective plate (7), the third protective plate (10), the backing ring (12) and the partition plate (13) are arranged in the inner cavity of the bin body (2), the outer side of the cover plate (3) is provided with a driving assembly (5), and the driving assembly (5) is arranged above the base (1).

6. A mill according to claim 5, characterised in that: The anti-blocking mechanism (8) comprises a scraper (801), a transmission shaft (802), a first gear (803) and a second gear (804), one side of the end plate (15) is provided with the transmission shaft (802) through a bearing, and the outer side of the transmission shaft (802) is connected with the scraper (801).

7. A mill according to claim 6, characterised in that: The other end of the transmission shaft (802) away from the scraper (801) is fixedly connected with the first gear (803), one side of the first gear (803) is engagedly connected with the second gear (804), one end of the second gear (804) is connected with the motor (9) through a shaft coupling, and the motor (9) is fixedly arranged on the outer side of the discharge pipe (4).