Anti-blocking device for feeding hole of ball mill

By designing acute-angle support beams and screen bar baffles at the ball mill feed inlet, combined with elastic components and vibrators, the problem of large material blockage in the ball mill was solved, achieving efficient operation and safe production of the equipment.

CN223556165UActive Publication Date: 2025-11-18ANHUI MAANSHAN IRON & STEEL MINING RESOURCES GRP MINING TECH SERVICE CO LTD
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Patent Information

Application Number
CN202422485769.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-11-18
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

Large pieces of material getting stuck in the ball mill feed inlet require destructive welding and cutting, increasing downtime, frequent equipment starts, and labor intensity for workers, and posing safety risks.

Method used

Design a ball mill feed inlet anti-clogging device, which uses upper and lower support beams with acute angles and screen bar baffles, combined with elastic elements and vibrators to prevent large pieces of material from getting stuck, and the material slides off by tilting the screen bar baffles, and the vibrator cleans up the clumps of material.

Benefits of technology

It effectively reduces equipment downtime, lowers worker labor intensity, increases operational efficiency, eliminates safety hazards, and extends equipment lifespan and output.

✦ Generated by Eureka AI based on patent content.

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Abstract

The anti-blocking device comprises an ore feeding hopper, a lower supporting beam and an upper supporting beam are correspondingly arranged on the two sides of the upper portion of the inner side of the ore feeding hopper in parallel respectively, an acute angle is formed between the plane where the lower supporting beam and the upper supporting beam are located and the horizontal plane, and grate bar baffles are detachably arranged on the upper portions of the lower supporting beam and the upper supporting beam. The grate bar baffle comprises a grate bar baffle outer frame and a plurality of grate bars arranged on the inner side of the grate bar baffle outer frame. By applying the anti-blocking device for the feeding port of the ball mill, the problems that in the prior art, as large materials are clamped into the interior or exterior of an ore feeder of the feeding port of the ball mill, destructive welding and cutting treatment needs to be carried out on equipment; and therefore, the problems of long downtime, frequent equipment starting, increased labor intensity of workers, safety risk and the like are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to ball mill equipment technical field especially relates to a ball mill feed inlet anti -blocking device. BACKGROUND

[0002] Ball mill is the equipment that is often used in mining enterprises, is used to material after being broken, carries out again powdering. At present, because dry ore yard occasionally has big piece, sintered ore and some sundries in the process of shoveling, when entering ball mill feed inlet through the belt conveyor, often will be stuck in the entrance outside of the ball mill feed inlet or the inside of the ball mill feed inlet, and the patrol worker cannot handle, needs the bench worker to carry out destructive welding treatment to the equipment, can handle the material that is stuck, and then increase the labor intensity of the bench worker, cause long downtime, the equipment frequent start, also bring certain influence to safety and production. SUMMARY

[0003] The ball mill feed inlet anti-blocking device provided by the application solves the problems in the background art that the outside or inside of the ball mill feed inlet is stuck with big pieces of material, the equipment needs to be destructively welded, resulting in long downtime, frequent start of the equipment, increased labor intensity of workers, and safety risks.

[0004] The technical solutions of the utility model to solve the technical problems are as follows:

[0005] According to one aspect of the application, a ball mill feed inlet anti-blocking device is provided, which includes a feed hopper, the inside of the feed hopper is provided with a lower support beam and an upper support beam on both sides of the upper part in a corresponding parallel manner, the planes where the lower support beam and the upper support beam are located form an acute angle with the horizontal plane, and the upper parts of the two are detachably provided with a screen strip baffle, the screen strip baffle includes a screen strip baffle outer frame and a plurality of screen strips provided inside the screen strip baffle outer frame.

[0006] As a further improvement of the application, the acute angle is 10°-20°, preferably 15°.

[0007] As a further improvement of the application, the lower support beam and the upper support beam are made of a circular metal pipe.

[0008] As a further improvement of the application, the top parts of the lower support beam and the upper support beam are respectively provided with a plurality of pairs of mounting columns, the screen strip baffle is provided with a plurality of pairs of mounting rings corresponding to each pair of mounting columns, the screen strip baffle is sleeved on each pair of mounting columns through each pair of mounting rings, and a locking device is arranged at the top of each mounting column, and an elastic member is arranged between the bottom of the mounting ring and the corresponding lower support beam and upper support beam.

[0009] As a further improvement of the present application, the elastic member is a spring sleeved outside the mounting column.

[0010] As a further improvement of the present application, the locking device is a double nut.

[0011] As a further improvement of the present application, the screen bar baffle is provided with a vibrator mounting plate, and the vibrator is mounted on the vibrator mounting plate.

[0012] As a further improvement of the present application, the vibrator is provided with a timing switch.

[0013] Compared with the prior art, the present application has the following beneficial effects:

[0014] (1) The ball mill inlet anti-blocking device is novel in design, simple, reasonable, convenient to manufacture and use, low in maintenance cost, good in anti-blocking effect, capable of effectively reducing the start and stop of the equipment, avoiding the shutdown of the equipment, reducing the labor intensity of the operating personnel, improving the operation rate of the ball mill, increasing the output, and eliminating the safety hazards.

[0015] (2) The upper support beam and the lower support beam are provided, so that the screen bar baffle arranged above the two support beams forms an acute angle with the horizontal plane, the screen bar blocks the large block materials, and the materials are rolled to one side by the inclination angle, and the large block materials can be cleaned without stopping the machine.

[0016] (3) The lower support beam and the upper support beam are made of a circular metal pipe, so that the accumulation of materials on the two support beams can be effectively avoided.

[0017] (4) The mounting column and the mounting ring are arranged to mount the screen bar baffle, and the elastic member is arranged to buffer, so that the service life of the equipment is effectively improved, and the double nut is used as the locking device to effectively lock the screen bar baffle.

[0018] (5) The vibrator is mounted on the screen bar baffle, so that the caked materials on the screen bar baffle can be effectively shaken off, and the large block materials can be quickly shaken to the lower position of the screen bar baffle, and the operating personnel can conveniently clean up. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic view of the ball mill inlet anti-blocking device in embodiment 1;

[0020] Figure 2 is a structural schematic view of the screen bar baffle in embodiment 1;

[0021] Figure 3 is a structural schematic view of the ball mill inlet anti-blocking device in embodiment 2;

[0022] Figure 4is a local enlarged schematic view of embodiment 2;

[0023] Figure 5 is a schematic view of the screen baffle structure in embodiment 2

[0024] In the figure: 1, feed hopper; 2, lower support beam; 3, upper support beam; 4, screen baffle; 41, screen baffle outer frame; 42, screen strip; 43, mounting ring; 44, vibrator mounting plate; 5, belt conveying output; 6, material; 7, vibrator; 8, mounting column; 9, locking device; 10, elastic member; 11, time switch. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application. Unless otherwise defined, the technical terms or scientific terms used herein should be understood as the common meanings by those skilled in the art to which the present application belongs. The "upper", "lower", "left", "right", "front", "back", "inner", "outer" and the like used in the patent application specification and claims of the present application are only used to indicate relative positional relationships, and when the absolute positions of the described objects are changed, the relative positional relationships are also changed accordingly. The "connection" or "connected" and the like similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The present application does not describe the known technology in the technical field.

[0026] Embodiment 1:

[0027] As Figure 1 and Figure 2As shown, this application discloses an anti-clogging device for the feed inlet of a ball mill, comprising a feed hopper 1 for feeding material into the ball mill, and a belt conveyor 5 installed on one side above the feed hopper 1 for conveying material 6. A lower support beam 2 and an upper support beam 3 are respectively and parallelly arranged on the upper front and rear sides (in the material feeding direction) of the inner side of the feed hopper 1, with a height difference between the lower support beam 2 and the upper support beam 3. The plane containing the lower support beam 2 and the upper support beam 3 forms an acute angle with the horizontal plane, the acute angle being 10° to 20°, preferably 15°. A screen baffle 4 is detachably installed on the upper part of the lower support beam 2 and the upper support beam 3. The screen baffle 4 includes a screen baffle outer frame 41 and multiple screen bars 42 arranged inside the screen baffle outer frame 41 for blocking large pieces of material. When in use, if the material 6 delivered by the belt conveyor 5 contains large pieces of material, the screen bars 42 of the screen bar baffle 4 can block the large pieces of material at the entrance of the feed hopper. By utilizing the tilt angle of the screen bar baffle 4, the large pieces of material can slide down to the edge of the lower feed hopper under their own gravity, and then be manually cleaned.

[0028] In this embodiment, the lower support beam 2 and the upper support beam 3 can be made of circular metal tubes to prevent materials from accumulating on the two support beams.

[0029] Example 2:

[0030] like Figures 3-5 As shown, based on Embodiment 1, this application provides a ball mill feed inlet anti-clogging device. Multiple pairs of mounting columns 8 are respectively provided on the top of the lower support beam 2 and the upper support beam 3. Multiple pairs of mounting rings 43 corresponding to each pair of mounting columns 8 are provided on the screen bar baffle 4. The screen bar baffle 4 is sleeved onto each pair of mounting columns 8 via each pair of mounting rings 43. A locking device 9 is provided on the top of each mounting column 8, preferably a double nut. An elastic element 10 is provided between the bottom of the mounting ring 43 and the corresponding lower support beam 2 and upper support beam 3. The elastic element 10 is preferably a spring sleeved on the outside of the mounting column 8 for buffering.

[0031] In this embodiment, to improve the sliding effect of large pieces of material on the screen bar baffle 4 and the shaking effect of agglomerated material, a vibrator mounting plate 44 can be provided on the screen bar baffle 4, and a vibrator 7 can be installed on the vibrator mounting plate 44. A timer switch 11 can also be installed on the vibrator 7 to vibrate at regular intervals, thereby improving the effectiveness of the device.

Claims

1. A ball mill feed inlet anti-blocking device comprising a feed hopper (1), characterized in that, The lower support beam (2) and the upper support beam (3) are correspondingly provided with a plurality of pairs of mounting columns (8) at the top, a plurality of pairs of mounting rings (43) corresponding to each pair of mounting columns (8) are arranged on the screen baffle (4), the screen baffle (4) is sleeved on each pair of mounting columns (8) through each pair of mounting rings (43), a locking device (9) is arranged at the top of each mounting column (8), and an elastic member (10) is arranged between the bottom of the mounting ring (43) and the corresponding lower support beam (2) and upper support beam (3). The acute angle is 10°-20°.

2. A ball mill feed inlet anti-blocking device according to claim 1, characterized in that, The acute angle is 15°.

3. A ball mill feed inlet anti-blocking device according to claim 2, characterized in that, The lower support beam (2) and the upper support beam (3) are made of a circular metal pipe.

4. A ball mill feed inlet anti-blocking device according to claim 1, characterized in that, The elastic member (10) is a spring sleeved outside the mounting column (8).

5. A ball mill feed inlet anti-blocking device according to claim 1, characterized in that, The locking device (9) is a double nut.

6. A ball mill feed inlet anti-blocking device according to claim 1, characterized in that, The screen baffle (4) is provided with a vibrator mounting plate (44), and a vibrator (7) is mounted on the vibrator mounting plate (44).

7. A ball mill feed inlet anti-blocking device according to claim 5 or 6, characterized in that, The vibrator (7) is provided with a timing switch (11).

8. A ball mill feed inlet anti-blocking device according to claim 7, characterized in that, The acute angle is 10°-20°. The acute angle is 15°. The lower support beam (2) and the upper support beam (3) are made of a circular metal pipe. The elastic member (10) is a spring sleeved outside the mounting column (8). The locking device (9) is a double nut. The screen baffle (4) is provided with a vibrator mounting plate (44), and a vibrator (7) is mounted on the vibrator mounting plate (44). The vibrator (7) is provided with a timing switch (11).