A ball mill drum feeder seal feed device

Abstract

The utility model relates to ball mill drum feeder feeding technology field, concretely is a kind of ball mill drum feeder sealing feeding device, is equipped with drum feeder, feed pipe, its characterized in that the feed inlet of drum feeder is sealedly connected with the end of connecting pipe, the end of connecting pipe is fixedly connected first bearing seat, first bearing and first connecting flange in proper order, the end of feed pipe is fixedly connected second bearing seat, second bearing and second connecting flange in proper order, first connecting flange and second connecting flange are fixedly connected by locking bolt, after first connecting flange and second connecting flange are connected, connecting pipe and feed pipe are rotatably connected between first bearing and second bearing, the feed pipe is fixed on ground by support, and it has the advantages of simple structure, good sealing effect, environment pollution-free, ore powder loss-free and the like.

Description

Technical Field

[0001] This utility model relates to the field of ball mill drum feeder technology, specifically a ball mill drum feeder sealing feeding device with simple structure, good sealing effect, no environmental pollution, and no loss of mineral powder. Background Technology

[0002] As is well known, the feeding device of existing mineral processing ball mills consists of a chute, a digging drum, and a drum feed hopper. Mineral powder and tailings are added to the ball mill chamber through the chute, digging drum, and drum feed hopper. The problem with the existing feeding device is that the chute is connected to the drum feed hopper via the digging drum. Mineral powder slides and is conveyed within the chute, entering the drum feed hopper by its inertial kinetic energy. Some of the mineral powder on the chute is thrown out of the drum feed hopper due to insufficient kinetic energy, resulting in significant loss and waste. The sluice conveyor system generates a large amount of dust, causing serious environmental pollution. In order to solve the problem of mineral powder loss, the sluice is usually designed as a feed pipe structure, with the lower end of the feed pipe inclined and directly inserted into the inlet of the drum feeder. However, since the drum feeder rotates together with the ball mill, the inlet of the drum feeder and the outlet of the feed pipe are not sealed. This causes the dust from the grinding inside the drum feeder to overflow, resulting in mineral powder loss and environmental pollution. In addition, steel balls need to be added during the operation of the equipment according to the degree of grinding, and the process of adding steel balls also causes dust to overflow. Summary of the Invention

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a ball mill drum feeder sealing feeding device that has a simple structure, good sealing effect, no environmental pollution, and no loss of mineral powder.

[0004] The technical solution adopted by this utility model to solve its technical problem is: A sealed feeding device for a ball mill drum feeder includes a drum feeder and a feed pipe. The feed inlet of the drum feeder is sealed to the end of a connecting pipe. The end of the connecting pipe is sequentially connected to a first bearing seat, a first bearing, and a first connecting flange. The end of the feed pipe is sequentially connected to a second bearing seat, a second bearing, and a second connecting flange. The first and second connecting flanges are fixedly connected by locking bolts. After the first and second connecting flanges are connected, the connecting pipe and the feed pipe are rotatably connected via the first and second bearings. The feed pipe is fixed to the ground by a bracket.

[0005] The first bearing housing of this utility model is fixed on the connecting pipe by the first bearing cap, the first bearing housing is fixedly connected to the inner ring of the first bearing, and the outer ring of the first bearing is connected to the first connecting flange.

[0006] The second bearing housing of this utility model is fixed on the feed pipe by the second bearing cover, the second bearing housing is fixedly connected to the inner ring of the second bearing, and the outer ring of the second bearing is connected to the second connecting flange.

[0007] The first connecting flange of this invention has a first sealing ring installed on its side wall, and the second connecting flange has a second sealing ring installed on its side wall. The first connecting flange and the second connecting flange are sealed together by the mating of the first sealing ring and the second sealing ring.

[0008] The connection between the connecting pipe and the feed inlet of the drum feeder described in this utility model is provided with a third connecting flange. The feed inlet of the drum feeder is provided with a threaded hole corresponding to the position of the third connecting flange. The third connecting flange and the threaded hole are locked together by fixing bolts, thereby realizing the fixed connection between the connecting pipe and the feed inlet of the drum feeder.

[0009] The feed pipe of this utility model is provided with a ball replenishing hole, through which steel balls are replenished to the drum feeder and the ball mill.

[0010] The feed pipe of this utility model includes a horizontal connecting part, an inclined feeding part, a ball-filling part, and a clearing part. The horizontal connecting part, the inclined feeding part, the ball-filling part, and the clearing part are all tubular structures. The horizontal connecting part is connected to the second bearing seat, the second bearing, and the second connecting flange. One side of the lower end of the inclined feeding part is connected to the horizontal feeding part, and the other side of the lower end of the inclined feeding part is connected to the clearing part. The clearing part and the horizontal connecting part are coaxial and connected. The ball-filling part is connected to the middle of the inclined feeding part.

[0011] The inclined feeding section and the ball replenishing section of this utility model are equipped with detachable sealing covers. When feeding or replenishing steel balls is required, the sealing covers are opened, and when feeding or replenishing steel balls is not required, the sealing covers are closed.

[0012] The unblocking part of this utility model is provided with a push-pull cylinder with closed ends inside. An elastic pad is provided on the outer wall of the push-pull cylinder. The push-pull cylinder is sealed and slidably connected to the unblocking part, the horizontal connecting part, and the inner wall of the connecting pipe. The end of the push-pull cylinder extending into the unblocking part is inclined. The inclination angle of the end of the push-pull cylinder is consistent with the inclination angle of the inclined feeding part. The outside of the push-pull cylinder extends out of the unblocking part and is connected to the push-pull handle.

[0013] The push-pull cylinder of this utility model is provided with a positioning scale mark. When the push-pull cylinder is pulled out to the point where the positioning scale mark corresponds to the outer end of the unblocking part, the push-pull cylinder is flush with the outer side of the lower end of the inclined feeding part.

[0014] This utility model, due to the above-mentioned structure, has the advantages of simple structure, good sealing effect, no environmental pollution, and no loss of mineral powder. Attached Figure Description

[0015] Figure 1This is a schematic diagram of the structure of this utility model. Figure 2 This is a schematic diagram of the feed pipe structure. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings: As shown in the attached figure, a sealed feeding device for a ball mill drum feeder includes a drum feeder 1 and a feed pipe 15. The feed inlet of the drum feeder 1 is sealed to the end of a connecting pipe 2. The end of the connecting pipe 2 is sequentially fixedly connected to a first bearing seat 3, a first bearing 4, and a first connecting flange 5. The end of the feed pipe 15 is sequentially fixedly connected to a second bearing seat 6, a second bearing 7, and a second connecting flange 8. The first connecting flange 5 and the second connecting flange 8 are fixedly connected by locking bolts 9. After the first connecting flange 5 and the second connecting flange 8 are connected, the connecting pipe 2 and the feed pipe 15 are rotatably connected via the first bearing 4 and the second bearing 7. The feed pipe 15 is fixed to the ground by a bracket 10.

[0017] Furthermore, the first bearing seat 3 is fixed to the connecting pipe 2 via the first bearing cap 25, the first bearing seat 3 is fixedly connected to the inner ring of the first bearing 4, and the outer ring of the first bearing 4 is connected to the first connecting flange 5.

[0018] Furthermore, the second bearing housing 6 is fixed to the feed pipe 15 via the second bearing cap 26, the second bearing housing 6 is fixedly connected to the inner ring of the second bearing 7, and the outer ring of the second bearing 7 is connected to the second connecting flange 8.

[0019] Furthermore, a first sealing ring 11 is installed on the side wall of the first connecting flange 5, and a second sealing ring 12 is installed on the side wall of the second connecting flange 8. The first connecting flange 5 and the second connecting flange 8 are sealed together by the first sealing ring 11 and the second sealing ring 12.

[0020] Furthermore, a third connecting flange 13 is provided at the connection between the connecting pipe 2 and the feed inlet of the drum feeder 1. The feed inlet of the drum feeder 1 is provided with a threaded hole corresponding to the position of the third connecting flange 13. The third connecting flange 13 and the threaded hole are locked together by fixing bolts 14, thereby realizing the fixed connection between the connecting pipe 2 and the feed inlet of the drum feeder 1.

[0021] Furthermore, the feed pipe 15 is provided with a ball replenishing hole, through which steel balls are replenished to the drum feeder 1 and the ball mill.

[0022] Furthermore, the feed pipe 15 includes a horizontal connecting part 16, an inclined feed part 17, a ball-filling part 18, and a clearing part 19. The horizontal connecting part 16, the inclined feed part 17, the ball-filling part 18, and the clearing part 19 are all tubular structures. The horizontal connecting part 16 is connected to the second bearing seat 6, the second bearing 7, and the second connecting flange 8. One side of the lower end of the inclined feed part 17 is connected to the horizontal feed part, and the other side of the lower end of the inclined feed part 17 is connected to the clearing part 19. The clearing part 19 and the horizontal connecting part 16 are coaxial and connected. The ball-filling part 18 is connected to the middle of the inclined feed part 17.

[0023] Furthermore, a removable sealing cover 20 is installed at the opening of the inclined feeding part 17 and the ball replenishing part 18. The sealing cover 20 is opened when feeding or replenishing steel balls is needed, and closed when feeding or replenishing steel balls is not needed.

[0024] Furthermore, the unblocking section 19 is provided with a push-pull cylinder 21 with both ends closed inside. An elastic pad 22 is provided on the outer wall of the push-pull cylinder 21. The push-pull cylinder 21 is slidably connected to the unblocking section 19, the horizontal connecting section 16, and the inner wall of the connecting pipe 2. The end of the push-pull cylinder 21 extending into the unblocking section 19 is inclined. The inclination angle of the end of the push-pull cylinder 21 is consistent with the inclination angle of the inclined feeding section 17. The outside of the push-pull cylinder 21 extends out of the unblocking section 19 and is connected to the push-pull handle 23.

[0025] Furthermore, the push-pull cylinder 21 is provided with a positioning scale mark 24. When the push-pull cylinder 21 is pulled out to the point where the positioning scale mark 24 corresponds to the outer end of the unblocking part 19, the push-pull cylinder 21 is flush with the outer side of the lower end of the inclined feeding part 17.

[0026] In use, the third connecting flange 13 is fixed to the threaded hole of the feed inlet of the drum feeder 1 by fixing bolts 14, and the first connecting flange 5 and the second connecting flange 8 are connected by mating. Figure 1(The first connecting flange 5 and the second connecting flange 8 are not connected). Locking bolt 9 and locking nut are used for locking connection. After connection, due to the presence of the first bearing 4 and the second bearing 7, the connecting pipe 2 and the feed pipe 15 can rotate relative to each other. Therefore, while the drum feeder 1 rotates, the connecting pipe 2 can rotate with the drum feeder 1, while the feed pipe 15 does not rotate. The feed pipe 15 is fixed to the ground by the bracket 10. When steel balls need to be added during the operation of the ball mill, the sealing cover 20 of the ball replenishment part 18 is opened, and steel balls are added for replenishment. Steel balls can be added in real time. Because the horizontal connecting part 16 and the connecting pipe 2 are very short, under normal circumstances, the tilt angle of the inclined feed part 17 can ensure that the material smoothly enters the drum feeder 1 and the ball mill. However, when blockage occurs, [the following applies]. The material is pushed into the drum feeder 1 and the ball mill by pushing the push-pull cylinder 21 through the push-pull handle 23. The length of the push-pull cylinder 21 is greater than the total length of the unblocking part 19, the horizontal connecting part 16, and the connecting pipe 2, which can ensure the complete pushing effect of the push-pull cylinder 21. During the operation, the sealing cover 20 above the inclined feeding part 17 and the ball replenishing part 18 is sealed. The entire device is sealed during the entire ball milling process, thus preventing the mineral powder from overflowing and protecting the environment. In the above scheme, the connection relationship between the first bearing seat, the first bearing, the first bearing cover, the first connecting flange and the connecting pipe, and the connection relationship between the second bearing seat, the second bearing, the second bearing cover, the second connecting flange and the feeding pipe are all existing technologies and will not be described in detail here. Due to the above structure, this utility model has the advantages of simple structure, good sealing effect, no environmental pollution, and no loss of mineral powder.

Claims

1. A sealed feeding device for a ball mill drum feeder, comprising a drum feeder and a feed pipe, characterized in that... The feed inlet of the drum feeder is sealed to the end of the connecting pipe. The end of the connecting pipe is sequentially fixed to a first bearing seat, a first bearing, and a first connecting flange. The end of the feed pipe is sequentially fixed to a second bearing seat, a second bearing, and a second connecting flange. The first and second connecting flanges are fixedly connected by locking bolts. After the first and second connecting flanges are connected, the connecting pipe and the feed pipe are rotatably connected by the first and second bearings. The feed pipe is fixed to the ground by a bracket.

2. The sealed feeding device for a ball mill drum feeder according to claim 1, characterized in that... The first bearing housing is fixed to the connecting pipe via the first bearing cap, the first bearing housing is fixedly connected to the inner ring of the first bearing, and the outer ring of the first bearing is connected to the first connecting flange.

3. A sealed feeding device for a ball mill drum feeder according to claim 1, characterized in that... The second bearing housing is fixed to the feed pipe via the second bearing cap, the second bearing housing is fixedly connected to the inner ring of the second bearing, and the outer ring of the second bearing is connected to the second connecting flange.

4. A sealed feeding device for a ball mill drum feeder according to claim 1, characterized in that... A first sealing ring is installed on the side wall of the first connecting flange, and a second sealing ring is installed on the side wall of the second connecting flange. The first connecting flange and the second connecting flange are sealed together by mating the first sealing ring and the second sealing ring.

5. A sealed feeding device for a ball mill drum feeder according to claim 1, characterized in that... The connection between the connecting pipe and the feed inlet of the drum feeder is provided with a third connecting flange. The feed inlet of the drum feeder is provided with a threaded hole corresponding to the position of the third connecting flange. The third connecting flange and the threaded hole are locked together by fixing bolts, thereby realizing the fixed connection between the connecting pipe and the feed inlet of the drum feeder.

6. A sealed feeding device for a ball mill drum feeder according to claim 1, characterized in that... The feed pipe is equipped with a ball replenishment hole, through which steel balls are replenished to the drum feeder and the ball mill.

7. A sealed feeding device for a ball mill drum feeder according to claim 1, characterized in that... The feed pipe includes a horizontal connecting part, an inclined feeding part, a ball replenishing part, and a clearing part. The horizontal connecting part, the inclined feeding part, the ball replenishing part, and the clearing part are all tubular structures. The horizontal connecting part is connected to the second bearing seat, the second bearing, and the second connecting flange. One side of the lower end of the inclined feeding part is connected to the horizontal feeding part, and the other side of the lower end of the inclined feeding part is connected to the clearing part. The clearing part and the horizontal connecting part are coaxial and connected. The ball replenishing part is connected to the middle of the inclined feeding part.

8. A sealed feeding device for a ball mill drum feeder according to claim 7, characterized in that... The openings of the inclined feeding section and the ball replenishing section are equipped with removable sealing covers. When feeding or replenishing steel balls is required, the sealing covers are opened, and when feeding or replenishing steel balls is not required, the sealing covers are closed.

9. A sealed feeding device for a ball mill drum feeder according to claim 7, characterized in that... The unblocking section is equipped with a push-pull cylinder with both ends closed. An elastic pad is provided on the outer wall of the push-pull cylinder. The push-pull cylinder is sealed and slidably connected to the unblocking section, the horizontal connecting section, and the inner wall of the connecting pipe. The end of the push-pull cylinder extending into the unblocking section is inclined. The inclination angle of the end of the push-pull cylinder is consistent with the inclination angle of the inclined feeding section. The outside of the push-pull cylinder extends out of the unblocking section and is connected to the push-pull handle.

10. A sealed feeding device for a ball mill drum feeder according to claim 9, characterized in that... The push-pull cylinder is provided with a positioning scale mark. When the push-pull cylinder is pulled out to the point where the positioning scale mark corresponds to the outer end of the unblocking part, the push-pull cylinder is flush with the outer side of the lower end of the inclined feeding part.

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