Dry ball mill for mining

Abstract

The utility model discloses a dry ball mill for mining, which comprises a base, the top end of the base is fixedly connected with a rotating seat, the inside of the rotating seat is rotatably connected with a cylinder, the outer surface of the cylinder is fixedly connected with a plurality of sliding seats, and a plurality of positioning through holes are formed in the outer surface of the cylinder and located at the positions of the sliding seats in a penetrating manner. Fixing bolts are inserted into the multiple positioning through holes, one ends of the multiple fixing bolts are fixedly connected with inner lining plates, and the outer surfaces of the multiple inner lining plates are tightly attached to the inner surface of the cylinder. The adjusting plate is pushed to move in the sliding seat, so that the fixing bolt enters the avoiding through hole from the limiting groove to relieve limitation, then the lining plate needing to be replaced is directly taken down from the interior of the cylinder, rapid replacement of the lining plate is achieved, and the replacement efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dry ball mills, in particular to a dry ball mill for mining. Background Art

[0002] Ore beneficiation refers to the engineering technology of separating valuable minerals from ores through physical or chemical methods so that they can be fully utilized. It is the core link of mineral processing and plays an important role in the metallurgical industry. After the ore is crushed and ground, gravity separation, flotation, magnetic separation, electrostatic separation and other methods are used to separate useful minerals from gangue minerals, and to separate various symbiotic useful minerals from each other as much as possible, remove or reduce harmful impurities, and obtain the raw materials required for smelting or other industries. In the process of grinding the ore, a dry ball mill is usually required for pulverization.

[0003] The inner lining plates in most current dry ball mills need to be replaced after a period of use. When replacing, it is necessary to first locate the position from the inside of the cylinder, and then remove the bolts from the outside for disassembly. When performing large-scale replacement, the operation is cumbersome, takes a lot of time, and the replacement efficiency is low. Utility Model Content

[0004] The purpose of the utility model is to provide a dry ball mill for mining, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dry ball mill for mining, comprising a base, the top of the base is fixedly connected to a rotating seat, the inside of the rotating seat is rotatably connected to a cylinder, the outer surface of the cylinder is fixedly connected to a plurality of sliding seats, the outer surface of the cylinder and a plurality of positioning through holes are penetrated at the positions of the sliding seats, a plurality of fixing bolts are inserted into the inside of the positioning through holes, one end of the plurality of fixing bolts are fixedly connected to an inner lining plate, the outer surfaces of the plurality of inner lining plates are tightly fitted with the inner surface of the cylinder, the outer surfaces of the plurality of fixing bolts are provided with card grooves, the inner surfaces of the plurality of sliding seats are slidably provided with adjustment plates, one side of the plurality of adjustment plates is penetrated with avoidance through holes, the inner surfaces of the plurality of avoidance through holes are provided with limiting grooves, one end of the plurality of fixing bolts are respectively inserted into the inside of the plurality of avoidance through holes, and the outer surface of the card groove is inserted into the inside of the limiting groove.

[0006] As a further preferred embodiment of the present technical solution, a discharge box is fixedly connected to the top of the base, a sealing plate is rotatably connected to the inside of the discharge box, one end of the sealing plate passes through a side wall inside the discharge box and is fixedly connected to a driven disk, four toggle grooves are provided on the outer surface of the driven disk, an adjusting gear is rotatably connected to one side of the discharge box, a toggle column is fixedly connected to one end of the adjusting gear near the edge position, and the outer surface of the toggle column can be slidably connected to the inside of the four toggle grooves.

[0007] As a further preferred embodiment of the present technical solution, one end of the adjusting gear is fixedly connected to a positioning plate, and the outer surface of the driven plate is provided with four limiting grooves, and the outer surface of the positioning plate can be plugged into the inside of the four limiting grooves.

[0008] As a further preferred embodiment of the present technical solution, a driving motor is fixedly connected to one side of the discharge box, and an outer surface of the adjusting gear is meshed with an output end of the driving motor.

[0009] As a further preferred embodiment of the present technical solution, a fixing bolt is threadedly connected to the interior of the adjustment plate, a fixing groove is provided on the inner surface of the sliding seat, and one end of the fixing bolt is threadedly connected to the interior of the fixing groove.

[0010] As a further preferred embodiment of the present technical solution, positioning grooves are provided on the top and bottom surfaces of the sliding seat, and positioning blocks are fixedly connected to the top and bottom ends of the adjustment plate, and the outer surfaces of the two positioning blocks are respectively slidably connected to the inner surfaces of the two positioning grooves.

[0011] As a further preferred embodiment of the present technical solution, a driven gear ring is fixedly connected to the outer surface of the cylinder, a reduction motor is fixedly connected to the top of the base, and an output end of the reduction motor is meshed with the outer surface of the driven gear ring.

[0012] The utility model provides a dry ball mill for mining, which has the following beneficial effects:

[0013] (1) The utility model pushes the adjustment plate to move in the sliding seat, so that the fixing bolt enters the avoidance hole from the limit groove to release the restriction. Then the inner lining plate to be replaced can be directly removed from the inside of the cylinder, thereby realizing rapid replacement of the inner lining plate and improving replacement efficiency.

[0014] (2) The utility model drives the adjusting gear to rotate by driving the motor, so that the adjusting gear drives the toggle column to rotate. During the rotation of the toggle column, the adjusting gear enters the toggle groove and pushes the driven disk to rotate, so that the sealing plate rotates intermittently, achieving an intermittent feeding effect. It can effectively avoid the phenomenon of ore accumulation and difficulty in crushing caused by excessive one-time feeding, thereby improving the crushing effect. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is an exploded schematic diagram of the internal structure of the cylinder of the utility model;

[0017] Figure 3 It is a schematic diagram of the structure between the inner lining plate and the adjustment plate of the utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of the blanking box of the present invention.

[0019] In the figure: 1. Base; 2. Rotating seat; 3. Cylinder; 4. Sliding seat; 5. Positioning hole; 6. Adjusting plate; 7. Avoiding hole; 8. Limiting groove; 9. Fixing bolt; 10. Slot; 11. Lining plate; 12. Positioning block; 13. Positioning groove; 14. Fixing bolt; 15. Fixing groove; 16. Unloading box; 17. Sealing plate; 18. Driven plate; 19. Toggle groove; 20. Adjusting gear; 21. Toggle column; 22. Positioning plate; 23. Limiting groove; 24. Driving motor; 25. Driven gear ring; 26. Reducer motor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0021] The utility model provides a technical solution: Figure 1-3 As shown in the embodiment, a dry ball mill for mining is used, including a base 1, a rotating seat 2 is fixedly connected to the top of the base 1, a cylinder 3 is rotatably connected inside the rotating seat 2, a plurality of sliding seats 4 are fixedly connected to the outer surface of the cylinder 3, a plurality of positioning through holes 5 are opened on the outer surface of the cylinder 3 and located at the positions of the plurality of sliding seats 4, a plurality of positioning through holes 5 are inserted into the interior of the plurality of positioning through holes 5, a plurality of fixing bolts 9 are fixedly connected to one end of the plurality of fixing bolts 9 with an inner lining plate 11, the outer surface of the plurality of inner lining plates 11 is tightly fitted with the inner surface of the cylinder 3, a plurality of fixing bolts 9 are provided with a slot 10 on the outer surface, and a plurality of sliding seats are provided. 4 are all provided with adjustment plates 6 for sliding inside, and a plurality of adjustment plates 6 are all provided with avoidance holes 7 on one side, and a plurality of avoidance holes 7 are all provided with limit slots 8 on the inner surfaces, and a plurality of fixing bolts 9 are respectively plugged into the interior of the plurality of avoidance holes 7 at one end, and the outer surface of the card slot 10 is plugged into the interior of the limit slot 8. Among them, by providing the sliding seat 4, the adjustment plate 6 can be positioned and guided, and by providing the limit slot 8, the inner lining plate 11 can be tightened and fixed by cooperating with the card slot 10 to improve stability. By providing the avoidance holes (7), the restriction on the fixing bolts 9 can be released, and disassembly is convenient.

[0022] like Figure 1 and Figure 4As shown, a discharge box 16 is fixedly connected to the top of the base 1, and a sealing plate 17 is rotatably connected inside the discharge box 16. One end of the sealing plate 17 passes through a side wall inside the discharge box 16 and is fixedly connected to a driven disk 18. Four toggle grooves 19 are provided on the outer surface of the driven disk 18. An adjusting gear 20 is rotatably connected to one side of the discharge box 16. A toggle column 21 is fixedly connected to one end of the adjusting gear 20 near the edge. The outer surfaces of the toggle columns 21 can be slidably connected to the four toggle grooves 19. By providing the sealing plate 17, the accumulated ore can be blocked to prevent the ore from entering the cylinder 3 for crushing at one time. The sealing plate 17 can be intermittently toggled through the cooperation of the toggle column 21 and the toggle groove 19.

[0023] like Figure 4 As shown, one end of the adjusting gear 20 is fixedly connected to a positioning plate 22, and four limiting grooves 23 are opened on the outer surface of the driven plate 18. The outer surface of the positioning plate 22 can be plugged into the four limiting grooves 23 to limit the driven plate 18 and improve the stability of the sealing plate 17.

[0024] like Figure 1 and Figure 4 As shown, a driving motor 24 is fixedly connected to one side of the blanking box 16, and the outer surface of the adjusting gear 20 is engaged with the output end of the driving motor 24, which can drive the sealing plate 17 to rotate intermittently.

[0025] like Figure 2 and Figure 3 As shown, the internal thread connection of the adjustment plate 6 is provided with a fixing bolt 14, and the inner surface of the sliding seat 4 is provided with a fixing groove 15. One end of the fixing bolt 14 is connected to the internal thread connection of the fixing groove 15, which can fix the adjustment plate 6 and improve the stability of the fixing of the inner lining plate 11.

[0026] like Figure 2 and Figure 3 As shown, positioning grooves 13 are provided on the top and bottom surfaces of the sliding seat 4, and positioning blocks 12 are fixedly connected to the top and bottom ends of the adjustment plate 6. The outer surfaces of the two positioning blocks 12 are respectively slidably connected to the inner surfaces of the two positioning grooves 13, which can limit the adjustment plate 6 and improve stability.

[0027] like Figure 1 As shown, a driven gear ring 25 is fixedly connected to the outer surface of the cylinder 3, and a reduction motor 26 is fixedly connected to the top of the base 1. The output end of the reduction motor 26 is engaged with the outer surface of the driven gear ring 25, which can drive the cylinder 3 to rotate.

[0028] The utility model provides a dry ball mill for mining, and the specific working principle is as follows:

[0029] When ore crushing is carried out, the staff pours the material into the discharge box 16, and the driving motor 24 drives the adjusting gear 20 to rotate, so that the adjusting gear 20 drives the toggle column 21 to rotate. During the rotation of the toggle column 21, it enters the adjacent toggle groove 19, and pushes the driven disk 18 to rotate during the subsequent rotation, so that the sealing plate 17 rotates intermittently, and the ore is intermittently put into the cylinder 3. The reduction motor 26 drives the cylinder 3 to rotate through the driven gear ring 25, so that the ore continuously collides with the steel ball and is crushed during the rotation. When the inner lining plate 11 needs to be replaced, the staff rotates the fixing bolt 14 to withdraw it from the fixing groove 15, and then pushes the adjusting plate 6 to move in the sliding seat 4, so that the fixing bolt 9 enters the avoidance hole 7 from the limit groove 8 to release the restriction, and then directly removes the inner lining plate 11 that needs to be replaced from the inside of the cylinder 3 to quickly replace the inner lining plate 11.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dry ball mill for mining, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a rotating seat (2), the rotating seat (2) is internally rotatably connected to a cylinder (3), the outer surface of the cylinder (3) is fixedly connected to a plurality of sliding seats (4), the outer surface of the cylinder (3) is provided with a plurality of positioning through holes (5) located at the positions of the plurality of sliding seats (4), the interiors of the plurality of positioning through holes (5) are all plugged with fixing bolts (9), one end of the plurality of fixing bolts (9) is fixedly connected to an inner lining plate (11), the outer surfaces of the plurality of inner lining plates (11) are The plurality of fixing bolts (9) are tightly fitted with the inner surface of the cylinder (3); the outer surfaces of the plurality of fixing bolts (9) are provided with a card slot (10); the interiors of the plurality of sliding seats (4) are provided with an adjustment plate (6) for sliding; one side of the plurality of adjustment plates (6) is provided with an avoidance through hole (7); the inner surfaces of the plurality of avoidance through holes (7) are provided with a limiting groove (8); one end of the plurality of fixing bolts (9) is respectively plugged into the interior of the plurality of avoidance through holes (7); the outer surface of the card slot (10) is plugged into the interior of the limiting groove (8).

2. The dry ball mill for mining according to claim 1, characterized in that: The top of the base (1) is fixedly connected to a feed box (16), and a sealing plate (17) is rotatably connected inside the feed box (16). One end of the sealing plate (17) passes through a side wall inside the feed box (16) and is fixedly connected to a driven disk (18). Four toggle grooves (19) are provided on the outer surface of the driven disk (18). An adjusting gear (20) is rotatably connected to one side of the feed box (16). A toggle column (21) is fixedly connected to one end of the adjusting gear (20) near the edge position, and the outer surface of the toggle column (21) can be slidably connected to the inside of the four toggle grooves (19).

3. The dry ball mill for mining according to claim 2, characterized in that: One end of the adjusting gear (20) is fixedly connected to a positioning disc (22), and the outer surface of the driven disc (18) is provided with four limiting grooves (23). The outer surface of the positioning disc (22) can be plugged into the inside of the four limiting grooves (23).

4. The dry ball mill for mining according to claim 3, characterized in that: A driving motor (24) is fixedly connected to one side of the discharge box (16), and the outer surface of the adjusting gear (20) is meshed with the output end of the driving motor (24).

5. The dry ball mill for mining according to claim 1, characterized in that: The adjusting plate (6) is internally threadedly connected with a fixing bolt (14), the inner surface of the sliding seat (4) is provided with a fixing groove (15), and one end of the fixing bolt (14) is threadedly connected to the inner surface of the fixing groove (15).

6. The dry ball mill for mining according to claim 1, characterized in that: The top and bottom surfaces of the sliding seat (4) are both provided with positioning grooves (13), the top and bottom ends of the adjustment plate (6) are fixedly connected with positioning blocks (12), and the outer surfaces of the two positioning blocks (12) are respectively slidably connected to the inner surfaces of the two positioning grooves (13).

7. The dry ball mill for mining according to claim 6, characterized in that: The outer surface of the cylinder (3) is fixedly connected to a driven gear ring (25), the top of the base (1) is fixedly connected to a reduction motor (26), and the output end of the reduction motor (26) is meshed with the outer surface of the driven gear ring (25).

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