Steel ball adding device for ball mill

Abstract

The utility model discloses a steel ball adding device for a ball mill, which belongs to the technical field of ball milling and comprises a movable chassis, a belt type lifting mechanism and a power driving mechanism, the belt type lifting mechanism and the power driving mechanism are fixedly connected onto the movable chassis, and the power driving mechanism is in transmission connection with the belt type lifting mechanism. The belt type lifting mechanism comprises a conveying barrel of a square section structure, and the conveying barrel is obliquely arranged upwards. A feeding hopper is arranged on the upper side of the lower end of the conveying barrel, and a discharging hopper is arranged on the lower side of the high end of the conveying barrel. The two ends of the conveying barrel are rotationally connected with a driving roller and a transmission roller correspondingly, the driving roller and the transmission roller are sleeved with a transmission belt, and a plurality of lifting hoppers are arranged on the outer surface of the transmission belt at equal intervals in the advancing direction. According to the steel ball adding device disclosed by the utility model, the movable chassis is matched with the belt type lifting mechanism, so that automatic adding of ball-milling steel balls can be realized, and the steel ball adding efficiency of the ball mill is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ball milling, in particular to a steel ball adding device for a ball mill. Background Art

[0002] The ball mill is a key equipment for crushing materials after they are broken. This type of grinding mill has a certain number of steel balls loaded into its drum as grinding media. It is widely used in the production of cement, silicate products, new building materials, refractory materials, fertilizers, metal beneficiation, glass and ceramics, etc., for dry or wet grinding of various ores and other grindable materials. The ball mill needs to be filled with steel balls during production and maintenance. In order to smoothly and evenly add the steel balls into the ball mill, it is usually necessary to drive a forklift to lift the steel balls to the filling port of the ball mill during the filling process. Personnel climb up to the filling port to assist in the addition of steel balls. The filling process is time-consuming and labor-intensive, and there are major safety hazards during the filling process. Utility Model Content

[0003] Technical problems solved: In view of the technical problems existing in the process of adding steel balls to a ball mill in the prior art, the utility model provides a steel ball adding device for a ball mill, which adopts a mobile chassis with a belt lifting mechanism to realize automatic addition of ball mill steel balls and improve the steel ball adding efficiency of the ball mill.

[0004] Technical solution: The utility model discloses a steel ball adding device for a ball mill, which includes a mobile chassis, a belt-type lifting mechanism and a power driving mechanism fixedly connected to the mobile chassis, wherein the power driving mechanism is transmission-connected to the belt-type lifting mechanism;

[0005] The belt-type lifting mechanism includes a conveying cylinder with a square cross-section structure, which is arranged to be inclined upward; a feeding hopper is arranged on the upper side of the lower end of the conveying cylinder, and a lower hopper is arranged on the lower side of the high end of the conveying cylinder; the two ends of the conveying cylinder are respectively rotatably connected with an active roller and a transmission roller, and a transmission belt is mounted on the active roller and the transmission roller, and a plurality of lifting hoppers are arranged on the outer surface of the transmission belt at equal intervals along the traveling direction.

[0006] Preferably, the active roller and the transmission roller each include a support shaft and limiting discs fixedly mounted on both ends of the support shaft, the two limiting discs are fixedly mounted with support sleeves, and the support sleeves are mounted with silicone sleeves.

[0007] Preferably, two ends of the support shaft are located outside the limiting disc and are in contact with two ends of the support sleeve and are connected with transmission chain plates;

[0008] The driving chain plate of the active roller and the driving chain plate of the driving roller are respectively connected by two driving chains.

[0009] Preferably, one end of the support shaft of the active roller is fixedly connected to a power sprocket;

[0010] The power drive mechanism comprises a drive motor and a reducer. A drive sprocket is provided at the drive shaft end of the reducer. The drive sprocket is drivingly connected to the power sprocket.

[0011] Preferably, a plurality of support rollers supporting the transmission belts are rotatably connected between the support walls on both sides of the conveying cylinder.

[0012] Preferably, the mobile chassis includes a supporting body and a traction end arranged at the front end of the supporting body, a walking wheel set is arranged at the lower side of the rear end of the supporting body, and a lifting leg is arranged at the lower side of the front end of the supporting body.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The steel ball adding device of the utility model adopts a mobile chassis with a belt-type lifting mechanism, which can realize the automatic addition of ball mill steel balls and improve the steel ball adding efficiency of the ball mill;

[0015] 2. Under the action of the power drive mechanism, the transmission belt and the lifting hopper arranged on it can collect the steel balls put into the feeding hopper and lift them upward to the lower hopper to complete the feeding action;

[0016] 3. The silicone sleeve installed on the supporting sleeve of the active roller and the transmission roller can increase the friction resistance between the transmission belt and the transmission belt, thereby preventing the transmission belt from slipping;

[0017] 4. The active roller and the transmission roller can be synchronously driven through the transmission chain plate and the transmission chain mounted thereon, thereby improving the transmission efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the layout of the steel ball adding device and the ball mill filler position of the utility model;

[0019] Figure 2 for Figure 1 The left view of the structure of the middle belt lifting mechanism;

[0020] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0021] Figure 4 for Figure 2 A magnified schematic diagram of the structure at B in the middle;

[0022] Figure 5 for Figure 2 Enlarged schematic diagram of the structure at point C in the middle.

[0023] Reference numerals:

[0024] 1. Belt lifting mechanism; 11. Conveying cylinder; 12. Active roller; 13. Feeding hopper; 14. Driving roller; 15. Lower hopper; 16. Driving belt; 17. Lifting hopper; 18. Support roller shaft; 19. Support bearing; 110. Bearing seat; 111. Power sprocket;

[0025] 2. Power drive mechanism; 21. Drive motor; 22. Reducer;

[0026] 3. Mobile chassis; 31. Support vehicle body; 32. Lifting legs; 33. Traveling wheel set; 34. Traction end;

[0027] 4. ball mill; 41. drum; 42. filling port;

[0028] 01. Support shaft; 02. Limit disc; 03. Support sleeve; 04. Silicone sleeve; 05. Transmission chain plate. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the following will be combined with the attached Figures 1 to 5 The technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the utility model.

[0030] like Figure 1~2 As shown, the utility model is a steel ball adding device for a ball mill, the ball mill 4 generally includes a drum 41 and a filling port 42 arranged on the drum 41. The steel ball adding device includes a mobile chassis 3 and a belt lifting mechanism 1 and a power driving mechanism 2 fixedly connected to the mobile chassis 3. The power driving mechanism 2 is connected to the belt lifting mechanism 1 by transmission. By controlling the power driving mechanism 2, the belt lifting mechanism 1 can be driven, thereby meeting the lifting and feeding of the ball mill steel balls.

[0031] like Figure 1~2As shown, the belt-type lifting mechanism 1 includes a conveying cylinder 11 with a square cross-section structure, and the conveying cylinder 11 is tilted upward, so that the ball mill steel balls can be lifted. A feeding hopper 13 is arranged on the upper side of the lower end of the conveying cylinder 11, and the staff can quantitatively add steel balls through the feeding hopper 13; a lower hopper 15 is arranged on the lower side of the upper end of the conveying cylinder 11, and when the steel balls are transported to the lower hopper 15, they can be collected and dropped through the lower hopper 15. The two ends of the conveying cylinder 11 are respectively rotatably connected with the active roller 12 and the transmission roller 14, and the active roller 12 and the transmission roller 14 are equipped with a transmission belt 16, and the outer surface of the transmission belt 16 is evenly spaced along the direction of travel. When working, under the action of the power drive mechanism 2, the transmission belt 16 and the lifting hopper 17 arranged thereon can cooperate to collect the steel balls put into the feeding hopper 13 and lift them upward to the lower hopper 15, so as to complete the feeding action.

[0032] like Figure 3 and Figure 5 As shown, both the active roller 12 and the transmission roller 14 include a support shaft 01 and a limiting disc 02 fixedly mounted on both ends of the support shaft 01, and a supporting sleeve 03 is fixedly mounted on the two limiting discs 02, and a silicone sleeve 04 is mounted on the supporting sleeve 03. The two ends of the support shaft 01 of the active roller 12 are rotatably connected to the supporting walls on both sides of the conveying cylinder 11 through the bearing seat 110, and the two ends of the support shaft 01 of the transmission roller 14 are rotatably connected to the supporting walls on both sides of the conveying cylinder 11 through the supporting bearing 19, so that the active roller 12 and the transmission roller 14 rotate along the supporting walls on both sides of the conveying cylinder 11. The silicone sleeve 04 mounted on the support sleeve 03 can increase the friction resistance between the transmission belt 16, thereby preventing the transmission belt from slipping.

[0033] In a preferred embodiment, if Figure 3 and Figure 5 As shown, both ends of the support shaft 01 are located outside the limiting disc 02 and are in contact with both ends of the support sleeve 03 and are connected with a transmission chain plate 05. The transmission chain plate 05 of the active roller 12 and the transmission chain plate 05 of the transmission roller 14 are respectively connected through two transmission chains. The active roller 12 and the transmission roller 14 set up in this way can achieve synchronous transmission through the transmission chain, thereby improving the transmission efficiency of the transmission belt and the lifting hopper thereon.

[0034] like Figure 1 and Figure 5 As shown, one end of the support shaft 01 of the active roller 12 is fixedly connected to a power sprocket 111; the power drive mechanism 2 includes a drive motor 21 and a reducer 22, and a drive sprocket is provided at the drive shaft end of the reducer 22, and the drive sprocket is transmission-connected to the power sprocket 111. The power drive mechanism 2 can realize the driving of the belt lifting mechanism 1.

[0035] like Figure 4As shown, a plurality of support rollers 18 supporting the transmission belt 16 are rotatably connected between the support walls on both sides of the conveying cylinder 11, and the transmission belt 16 is supported by the support rollers 18 to reduce transmission resistance.

[0036] like Figure 1 As shown, the mobile chassis 3 includes a supporting body 31 and a traction end 34 arranged at the front end of the supporting body 31, a walking wheel set 33 is arranged on the lower side of the rear end of the supporting body 31, and a lifting leg 32 is arranged on the lower side of the front end of the supporting body 31. By adjusting the lifting leg 32, the mobile chassis 3 can be adjusted to a stable supporting state, and the mobile chassis 3 and the belt lifting mechanism 1 thereon can be moved to the corresponding position of the ball mill 4 through the traction end 34, so that the lower hopper 15 and the filling port 42 correspond.

[0037] The above are preferred implementations of the present utility model. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present utility model. These improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A steel ball adding device for a ball mill, characterized in that: The steel ball adding device comprises a mobile chassis (3), a belt-type lifting mechanism (1) and a power driving mechanism (2) fixedly connected to the mobile chassis (3), wherein the power driving mechanism (2) is in transmission connection with the belt-type lifting mechanism (1); The belt-type lifting mechanism (1) comprises a conveying cylinder (11) with a square cross-section structure, wherein the conveying cylinder (11) is arranged to be inclined upward; a feeding hopper (13) is arranged on the upper side of the lower end of the conveying cylinder (11), and a lower hopper (15) is arranged on the lower side of the higher end of the conveying cylinder (11); the two ends of the conveying cylinder (11) are rotatably connected to a driving roller (12) and a transmission roller (14), respectively, and a transmission belt (16) is mounted on the driving roller (12) and the transmission roller (14), and a plurality of lifting hoppers (17) are arranged at equal intervals on the outer surface of the transmission belt (16) along the traveling direction.

2. The steel ball adding device for ball mill according to claim 1, characterized in that: The active roller (12) and the transmission roller (14) both comprise a support shaft (01) and limiting discs (02) fixedly mounted on both ends of the support shaft (01); a support sleeve (03) is fixedly mounted on the two limiting discs (02); and a silicone sleeve (04) is mounted on the support sleeve (03).

3. The steel ball adding device for ball mill according to claim 2, characterized in that: The two ends of the support shaft (01) are located outside the limiting disc (02) and are in contact with the two ends of the support sleeve (03) and are connected to a transmission chain plate (05); The driving chain plate (05) of the active roller (12) and the driving chain plate (05) of the driving roller (14) are respectively connected by two driving chains.

4. The steel ball adding device for a ball mill according to claim 3, characterized in that: One end of the support shaft (01) of the active roller (12) is fixedly connected to a power sprocket (111); The power drive mechanism (2) comprises a drive motor (21) and a reducer (22); a drive sprocket is provided at the drive shaft end of the reducer (22); and the drive sprocket is in driving connection with the power sprocket (111).

5. The steel ball adding device for a ball mill according to any one of claims 1 to 4, characterized in that: A plurality of support rollers (18) supporting the transmission belt (16) are rotatably connected between the support walls on both sides of the conveying cylinder (11).

6. The steel ball adding device for a ball mill according to claim 5, characterized in that: The mobile chassis (3) comprises a supporting vehicle body (31) and a traction end arranged at the front end of the supporting vehicle body (31); a walking wheel set (33) is arranged at the lower side of the rear end of the supporting vehicle body (31), and a lifting support leg (32) is arranged at the lower side of the front end of the supporting vehicle body (31).

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