Automatic feeding device for ball mill

Abstract

The utility model discloses an automatic feeding device for a ball mill, which comprises a material placing box, a counterweight seat is fixedly mounted on the lower end face of the material placing box, a plurality of counterweight blocks are fixedly mounted on the inner side of the counterweight seat, a first inclined conveying pipe is fixedly mounted on the inner side of the material placing box, and a second inclined conveying pipe is fixedly mounted on the lower end face of the material placing box. A second inclined conveying pipe is fixedly mounted on the outer side of the upper end of the first inclined conveying pipe, a first transmission motor is fixedly mounted at the upper end of the first inclined conveying pipe, a motor mounting frame is fixedly mounted on the inner side of one end of the second inclined conveying pipe, and a second transmission motor is fixedly mounted in the middle of one side of the motor mounting frame; and the inner side of the first inclined conveying pipe is rotationally connected with a first spiral conveying frame. According to the multi-section conveying device, different types of materials are conveyed in a multi-section mode, the stability of material conveying can be kept, blocked materials can be conveniently cleaned, equipment can be conveniently overhauled, meanwhile, corresponding adjustment can be conducted according to feeding ports of ball mills of different models, and the application range is wider.

Description

Technical Field

[0001] The utility model relates to the technical field of ball mill auxiliary equipment, in particular to an automatic feeding device for a ball mill. Background Art

[0002] Ball mill is the key equipment for crushing materials after they are broken. It is widely used in cement, silicate products, new building materials, refractory materials, fertilizers, black and non-ferrous metal beneficiation, glass and ceramics and other production industries. It can grind various ores and other grindable materials by dry or wet method. Ball mill is suitable for grinding various ores and other materials. It is widely used in beneficiation, building materials and chemical industries. It can be divided into two grinding methods: dry method and wet method. Before grinding materials in ball mill, materials need to be fed stably.

[0003] In the process of grinding materials with the existing ball mill, depending on the type of material, material blockage is prone to occur when feeding the ball mill, affecting the stability of the feeding, and it is not convenient to adjust the feeding accordingly according to the position of the feed port of the ball mill of different models; therefore, it does not meet the existing needs. In this regard, we propose an automatic feeding device for the ball mill. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic feeding device for a ball mill, so as to solve the problems raised in the above background technology that during the grinding process of materials by the existing ball mill, depending on the type of materials, material blockage is prone to occur when feeding the ball mill, affecting the feeding stability, and it is not convenient to adjust the feeding accordingly according to the feed port position of different types of ball mills.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic feeding device for a ball mill, comprising a material storage box, a counterweight seat is fixedly installed on the lower end surface of the material storage box, a plurality of counterweight blocks are fixedly installed on the inner side of the counterweight seat, a first oblique conveying pipe is fixedly installed on the inner side of the material storage box, a second oblique conveying pipe is fixedly installed on the outer side of the upper end of the first oblique conveying pipe, a first transmission motor is fixedly installed on the upper end of the first oblique conveying pipe, a motor mounting frame is fixedly installed on the inner side of one end of the second oblique conveying pipe, a second transmission motor is fixedly installed on the middle part of one side of the motor mounting frame, a first spiral conveying frame is rotatably connected to the inner side of the first oblique conveying pipe, and a second spiral conveying frame is rotatably connected to the inner side of the middle part of the second oblique conveying pipe;

[0006] A material guide shell is fixedly installed at one end of the second oblique conveying pipe, a follower cover is movably installed on the outer side of the bottom end of the material guide shell, a feed connecting pipe is installed on the inner side of the middle part of the follower cover, a transmission frame is fixedly installed on the outer side of the bottom end of the feed connecting pipe, a transmission rack is slidably connected to one side of the transmission frame, an adjustment handle is installed on the inner side of the transmission rack, and the upper end surface of the transmission rack is rotatably connected to a connecting gear.

[0007] Preferably, one side of the first oblique conveying pipe and the second oblique conveying pipe are both installed with maintenance sealing strips, a support frame is fixedly installed between the two maintenance sealing strips, and a vibration motor is fixedly installed on one side of the support frame.

[0008] Preferably, the output end of the first transmission motor passes through the first oblique conveying pipe and is connected to the first spiral conveying frame through a coupling, the output end of the second transmission motor passes through the motor mounting frame and is connected to the second spiral conveying frame through a coupling, and spiral blades are fixedly provided on the outer sides of the first spiral conveying frame and the second spiral conveying frame, and the rotation direction of the two spiral blades is counterclockwise.

[0009] Preferably, sealing pads are provided between the two inspection sealing strips and the first oblique conveying pipe and the second oblique conveying pipe, and the bottom end of the support frame is fixedly connected to the first oblique conveying pipe.

[0010] Preferably, the connecting gear is welded and fixed to the material guide shell, the connecting gear is meshingly connected with the transmission rack teeth, a slide groove is provided on one side of the transmission frame, the transmission rack is arranged on the inner side of the slide groove, and one end of the adjustment handle passes through the transmission frame and is threadedly connected to the transmission rack.

[0011] Preferably, the feed connecting pipe passes through the middle part of the transmission frame and is fixedly connected to the follower cover, the follower cover, the transmission frame and the feed connecting pipe swing relative to the axis of the connecting gear, the feed connecting pipe is connected to the second oblique conveying pipe through a material guide shell, and the bottom end of the feed connecting pipe is provided with a ball mill feed port.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model moves the position of the material box and adjusts the bottom end of the feed connecting pipe according to the position of the feed port of the ball mill. The adjusting handle drives the transmission rack to slide on the inner side of one end of the transmission frame, and then the transmission rack rotates relative to the connecting gear and drives the transmission frame, the follower cover and the feed connecting pipe to rotate relative to the bottom end of the material guide shell, so that the output direction of the feed connecting pipe can be adjusted to meet the feeding of the ball mill feed port at different positions;

[0014] 2. The utility model uses the first transmission motor and the second transmission motor to convey materials in sections through the first screw conveyor frame and the second screw conveyor frame respectively, and vibrates synchronously through the vibration motor, so that the materials can be stably conveyed to avoid material jamming. When the materials are blocked inside the first oblique conveying pipe, the second oblique conveying pipe and the material guide shell, they can be cleaned by removing the two maintenance sealing strips, which is convenient for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model as a whole;

[0017] Figure 3 It is a partial structural schematic diagram of the material guide shell of the utility model;

[0018] Figure 4 It is a partial structural schematic diagram of the transmission frame of the utility model.

[0019] In the figure: 1. material storage box; 2. counterweight seat; 3. counterweight block; 4. first oblique conveying pipe; 5. second oblique conveying pipe; 6. first transmission motor; 7. support frame; 8. material guide shell; 9. follow-up cover; 10. transmission frame; 11. motor mounting frame; 12. first spiral conveying frame; 13. second spiral conveying frame; 14. maintenance sealing strip; 15. vibration motor; 16. second transmission motor; 17. feed connecting pipe; 18. connecting gear; 19. transmission rack; 20. adjustment handle. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] The first transmission motor 6 (model: YS7134), the vibration motor 15 (model: JZO-50-4) and the second transmission motor 16 (model: YEJ3-112M-4) mentioned in the present invention can all be purchased from the market or obtained through private customization.

[0022] See also Figure 1 to Figure 2 The utility model provides an embodiment: an automatic feeding device for a ball mill, comprising a material storage box 1, a counterweight seat 2 is fixedly installed on the lower end surface of the material storage box 1, and a plurality of counterweight blocks 3 are fixedly installed on the inner side of the counterweight seat 2, so that the whole can be counterweighted by the plurality of counterweight blocks 3 to avoid tilting during operation.

[0023] See also Figure 1 to Figure 2A first oblique conveying pipe 4 is fixedly installed on the inner side of the material box 1, a second oblique conveying pipe 5 is fixedly installed on the outer side of the upper end of the first oblique conveying pipe 4, a first transmission motor 6 is fixedly installed on the upper end of the first oblique conveying pipe 4, a motor mounting frame 11 is fixedly installed on the inner side of one end of the second oblique conveying pipe 5, and a second transmission motor 16 is fixedly installed in the middle of one side of the motor mounting frame 11. The inner side of the first oblique conveying pipe 4 is rotatably connected with the first spiral conveying frame 12, and the inner side of the middle part of the second oblique conveying pipe 5 is rotatably connected with the second spiral conveying frame 13. The output end of the first transmission motor 6 passes through the first oblique conveying pipe 4 and is connected to the first spiral conveying frame 12 through a coupling, and the output end of the second transmission motor 16 passes through the motor mounting frame 11 and is connected to the second spiral conveying frame 13 through a coupling. Spiral blades are fixedly provided on the outer sides of the first spiral conveying frame 12 and the second spiral conveying frame 13, and the rotation direction of the two spiral blades is counterclockwise, so that the first transmission motor 6 and the second transmission motor 16 respectively convey the materials in sections through the first spiral conveying frame 12 and the second spiral conveying frame 13.

[0024] See also Figure 3 to Figure 4 A guide shell 8 is fixedly installed at one end of the second oblique conveying pipe 5, a follower cover 9 is movably installed on the outer side of the bottom end of the guide shell 8, a feed connecting pipe 17 is installed on the inner side of the middle part of the follower cover 9, and a transmission frame 10 is fixedly installed on the outer side of the bottom end of the feed connecting pipe 17. A transmission rack 19 is slidably connected to one side of the transmission frame 10, and an adjusting handle 20 is installed on the inner side of the transmission rack 19. The upper end surface of the transmission rack 19 is rotatably connected to a connecting gear 18, and the connecting gear 18 is welded and fixed to the guide shell 8. The connecting gear 18 is meshed with the transmission rack 19. A slide groove is provided on one side of the transmission frame 10, and the transmission rack 19 is arranged on the inner side of the slide groove. One end of the adjusting handle 20 penetrates the transmission frame 10 and is connected to the transmission rack 19 by a thread, so that the adjusting handle 20 drives the transmission rack 19 to slide on the inner side of one end of the transmission frame 10, and the transmission rack 19 rotates relative to the connecting gear 18;

[0025] The feed connecting pipe 17 passes through the middle of the transmission frame 10 and is fixedly connected to the follower cover 9. The follower cover 9, the transmission frame 10 and the feed connecting pipe 17 swing relative to the axis of the connecting gear 18. The feed connecting pipe 17 is connected to the second oblique conveying pipe 5 through the guide shell 8. The bottom end of the feed connecting pipe 17 is provided with a ball mill feed port. The transmission rack 19 rotates relative to the connecting gear 18 and drives the transmission frame 10, the follower cover 9 and the feed connecting pipe 17 to rotate relative to the bottom end of the guide shell 8, thereby adjusting the output orientation of the feed connecting pipe 17 to meet the ball mill feed ports at different positions.

[0026] See also Figures 2 to 4A maintenance sealing strip 14 is installed on one side of the first oblique conveying pipe 4 and the second oblique conveying pipe 5. A support frame 7 is fixedly installed between the two maintenance sealing strips 14. Sealing pads are provided between the two maintenance sealing strips 14 and the first oblique conveying pipe 4 and the second oblique conveying pipe 5. The bottom end of the support frame 7 is fixedly connected to the first oblique conveying pipe 4. The two maintenance sealing strips 14 can be removed for cleaning, which is convenient for maintenance.

[0027] A vibration motor 15 is fixedly mounted on one side of the support frame 7. During the material conveying process, the support frame 7 is vibrated by the vibration motor 15, so that the material can be conveyed by vibration to avoid material jamming.

[0028] When in use, the material to be put into the ball mill is placed in the material storage box 1, and the power is turned on. A plurality of counterweight blocks 3 are fixedly installed on the inner side of the counterweight seat 2, so that the whole can be counterweighted by the plurality of counterweight blocks 3 to avoid tilting during operation. The position of the material storage box 1 is moved according to the position of the feed port of the ball mill and the bottom end of the feed connecting pipe 17 is adjusted;

[0029] Specifically, one end of the adjusting handle 20 passes through the transmission frame 10 and is threadedly connected to the transmission rack 19, and the follower cover 9, the transmission frame 10 and the feed connecting pipe 17 are fixedly connected and swing relative to the axis of the connecting gear 18. By rotating the adjusting handle 20, the adjusting handle 20 drives the transmission rack 19 to slide on the inner side of one end of the transmission frame 10, and the connecting gear 18 is connected to the transmission rack 19 through tooth meshing, so that the transmission rack 19 rotates relative to the connecting gear 18 while driving the transmission frame 10, the follower cover 9 and the feed connecting pipe 17 to rotate relative to the bottom end of the guide shell 8, so that the output orientation of the feed connecting pipe 17 can be adjusted to meet the feed port of the ball mill at different positions.

[0030] The feed connecting pipe 17 is connected to the feed port of the ball mill, and the first transmission motor 6 and the second transmission motor 16 are started, so that the first transmission motor 6 and the second transmission motor 16 respectively convey the materials from the inner side of the material storage box 1 to the inner side of the material guide shell 8 through the first screw conveying frame 12 and the second screw conveying frame 13 in sequence. The feed connecting pipe 17 is connected with the second oblique conveying pipe 5 through the material guide shell 8, and then the feed connecting pipe 17 can stably convey the materials. During the material conveying process, the support frame 7 is vibrated by the vibration motor 15, and then the materials can be vibrated and conveyed to avoid material jamming. When the materials are blocked in the first oblique conveying pipe 4, the second oblique conveying pipe 5 and the material guide shell 8, they can be cleaned by removing the two maintenance sealing strips 14, which is convenient for maintenance.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An automatic feeding device for a ball mill, comprising a material storage box (1), characterized in that: A counterweight seat (2) is fixedly mounted on the lower end surface of the material storage box (1), a plurality of counterweight blocks (3) are fixedly mounted on the inner side of the counterweight seat (2), a first oblique conveying pipe (4) is fixedly mounted on the inner side of the material storage box (1), a second oblique conveying pipe (5) is fixedly mounted on the outer side of the upper end of the first oblique conveying pipe (4), a first transmission motor (6) is fixedly mounted on the upper end of the first oblique conveying pipe (4), a motor mounting frame (11) is fixedly mounted on the inner side of one end of the second oblique conveying pipe (5), a second transmission motor (16) is fixedly mounted on the middle part of one side of the motor mounting frame (11), a first spiral conveying frame (12) is rotatably connected to the inner side of the first oblique conveying pipe (4), and a second spiral conveying frame (13) is rotatably connected to the inner side of the middle part of the second oblique conveying pipe (5); A material guide shell (8) is fixedly mounted on one end of the second oblique conveying pipe (5); a follower cover (9) is movably mounted on the outer side of the bottom end of the material guide shell (8); a feed connecting pipe (17) is mounted on the inner side of the middle part of the follower cover (9); a transmission frame (10) is fixedly mounted on the outer side of the bottom end of the feed connecting pipe (17); a transmission rack (19) is slidably connected to one side of the transmission frame (10); an adjusting handle (20) is mounted on the inner side of the transmission rack (19); and a connecting gear (18) is rotatably connected to the upper end surface of the transmission rack (19).

2. The automatic feeding device for a ball mill according to claim 1, characterized in that: One side of each of the first oblique conveying pipe (4) and the second oblique conveying pipe (5) is installed with an inspection and sealing strip (14), a support frame (7) is fixedly installed between the two inspection and sealing strips (14), and one side of the support frame (7) is fixedly installed with a vibration motor (15).

3. The automatic feeding device for a ball mill according to claim 1, characterized in that: The output end of the first transmission motor (6) passes through the first oblique conveying pipe (4) and is connected to the first spiral conveying frame (12) via a coupling, and the output end of the second transmission motor (16) passes through the motor mounting frame (11) and is connected to the second spiral conveying frame (13) via a coupling. Spiral blades are fixedly provided on the outer sides of the first spiral conveying frame (12) and the second spiral conveying frame (13), and the rotation direction of the two spiral blades is counterclockwise.

4. The automatic feeding device for a ball mill according to claim 2, characterized in that: Sealing pads are provided between the two inspection sealing strips (14) and the first oblique conveying pipe (4) and the second oblique conveying pipe (5), and the bottom end of the support frame (7) is fixedly connected to the first oblique conveying pipe (4).

5. The automatic feeding device for a ball mill according to claim 1, characterized in that: The connecting gear (18) is welded and fixed to the material guide shell (8), and the connecting gear (18) is meshedly connected with the transmission rack (19). A slide groove is provided on one side of the transmission frame (10), and the transmission rack (19) is arranged on the inner side of the slide groove. One end of the adjustment handle (20) passes through the transmission frame (10) and is connected to the transmission rack (19) by a thread.

6. The automatic feeding device for a ball mill according to claim 1, characterized in that: The feed connection pipe (17) passes through the middle of the transmission frame (10) and is fixedly connected to the follower cover (9); the follower cover (9), the transmission frame (10) and the feed connection pipe (17) swing relative to the axis of the connecting gear (18); the feed connection pipe (17) is connected to the second oblique conveying pipe (5) via the material guide shell (8); and a ball mill feed port is provided at the bottom end of the feed connection pipe (17).

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