Feeding device of ball mill

Abstract

The utility model belongs to the technical field of ball mills, and particularly relates to a ball mill feeding device which comprises a protective shell, a filter cavity and a crushing cavity are formed in the protective shell, a partition plate is fixedly installed between the filter cavity and the crushing cavity, and the filter cavity is communicated with the crushing cavity; the filter screen is rotationally installed in the filter cavity, one end of the filter screen penetrates through the filter cavity and extends into the crushing cavity, a rotating column is rotationally installed in the filter cavity and located at the bottom of the filter screen, fixing strips are symmetrically and fixedly installed on the rotating column, and the fixing strips make contact with the bottom of the filter screen; when the whole device is used, large ores can be crushed, the situation that the efficiency of the ball mill becomes slow due to the fact that the ores are large is avoided, meanwhile, the intermittent discharging effect can be achieved, the crushing efficiency is improved, and the crushing efficiency is improved. And the internal blockage of the ball mill caused by excessive single-time discharging is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of ball mills, and in particular relates to a feeding device for a ball mill. Background Art

[0002] Ball mills can crush and grind minerals. Mineral ball mills have the advantages of high grinding efficiency, long service life of grinding balls, and wide application range. Their maintenance and operation are relatively simple, so they have been widely used in the field of mineral processing.

[0003] For example, the Chinese patent with publication number CN206315870U discloses a ball mill feeding device, including a chute for the ore to slide down, a material delivery pipe fixedly connected to the discharge port of the chute, and a sealing layer is provided between the material delivery pipe and the chute. The ball mill feeding device disclosed in the utility model is applied to improve the sealing of the device, reduce the problem of mineral leakage, and improve the operation rate by providing a chute to facilitate the sliding of the ore, and providing a sealing layer between the chute and the material delivery pipe.

[0004] The above patent has the following problems:

[0005] This patent has some disadvantages when used, such as: when the above device is used, it may cause minerals to block the ball mill, resulting in the need for personnel to stop the machine for maintenance, wasting time, and at the same time, after the larger minerals are fed, the working efficiency of the ball mill will slow down, affecting the work progress. In view of this, we propose a ball mill feeding device. Utility Model Content

[0006] The purpose of the utility model is to provide a ball mill feeding device to solve the problems raised in the above background technology.

[0007] In view of this, the utility model provides a ball mill feeding device, comprising:

[0008] A protective shell, wherein a filter chamber and a crushing chamber are provided in the protective shell, a partition is fixedly installed between the filter chamber and the crushing chamber, and the filter chamber and the crushing chamber are communicated;

[0009] A filter screen, the filter screen is rotatably mounted in the filter cavity, and one end of the filter screen passes through the filter cavity and extends into the crushing cavity, a rotating column is rotatably mounted in the filter cavity and at the bottom of the filter screen, a fixing bar is symmetrically fixed on the rotating column, and the fixing bar is in contact with the bottom of the filter screen;

[0010] Two crushing rollers, both of which are rotatably installed in the crushing chamber and located below the filter screen, a discharge port is provided on one side of the protective shell and located below the crushing rollers, a rotating disk is rotatably installed in the discharge port, a notch is provided on the rotating disk, and the discharge port is connected to the notch;

[0011] A driving assembly is located on the protective shell and is used to drive the rotating column to rotate in the opposite direction to the two crushing rollers and the rotating disk.

[0012] In the technical scheme, when it is necessary to feed the ore, the ore is first poured into the filter chamber, and the ore falls to the top of the filter screen. The driving assembly is set to drive the rotating column to rotate, and the rotating column drives the two fixed bars to rotate. The rotation of one of the fixed bars will lift up one side of the filter screen. When the fixed bar is no longer in contact with the bottom of the filter screen, one side of the filter screen will fall downward under the action of gravity. Smaller ores will pass through the filtration of the filter screen and fall to the bottom of the protective shell. Larger ores will move in the direction of the crushing rollers and finally fall onto the two crushing rollers. The driving assembly is set to drive the two crushing rollers to rotate in the opposite direction, so that larger ores can be crushed, and the crushed ores fall to the bottom of the protective shell.

[0013] The ore will slide toward the discharge port, and the drive assembly can drive the turntable to rotate. When the gap on the turntable is connected to the discharge port, the ore in the protective shell will be discharged from the discharge port, achieving the effect of intermittent discharge and avoiding blockage inside the ball mill due to excessive single discharge.

[0014] In the above technical solution, further, the driving component includes:

[0015] A motor, the motor is fixedly mounted on one side of the protective shell, and the motor is located at one end of the rotating column, a transmission wheel 1 is fixedly mounted on the output shaft of the motor, one end of the transmission wheel 1 penetrates the protective shell and extends into the filter cavity and is coaxially connected to the rotating column, and the transmission wheel 1 is rotatably connected to the protective shell and the filter cavity;

[0016] A power chamber, wherein the power chamber is opened in a protective shell and is located on one side of the two crushing rollers. Two gears are rotatably installed in the power chamber, and the two gears are meshed. One end of the two gears passes through the power chamber and extends into the crushing chamber, and one end of the two gears is coaxially connected to the two crushing rollers respectively. The other end of one of the gears passes through the power chamber and extends to the outside and is fixedly installed with a transmission wheel 2. The transmission wheel 2 is located below the transmission wheel 1, and a transmission belt 1 is installed between the transmission wheel 2 and the transmission wheel 1.

[0017] In the present technical scheme, the motor is started at the same time, the motor is powered on and drives the transmission wheel 1 and the rotating column to rotate, the rotating column drives the two fixed bars to rotate, the rotation of one of the fixed bars will lift up one side of the filter screen, when the fixed bar is no longer in contact with the bottom of the filter screen, one side of the filter screen will fall downward under the action of gravity, the smaller ore will pass through the filtration of the filter screen and fall to the bottom of the protective shell, the larger ore will move toward the direction of the crushing roller and finally fall onto the two crushing rollers, at the same time, the transmission wheel 1 drives the transmission belt 1 to transmit, the transmission belt 1 drives the transmission wheel 2 to rotate, the transmission wheel 2 drives one of the gears to rotate, one of the gears drives the other gear meshing with it to rotate in the opposite direction, the two gears respectively drive the two crushing rollers to rotate in the opposite direction, so that the larger ore can be crushed, and the crushed ore falls to the bottom of the protective shell.

[0018] In the above technical solution, further, the driving component also includes:

[0019] A transmission wheel three, the transmission wheel three is rotatably mounted on the other side of the protective shell and located at the other end of the rotating column, one end of the transmission wheel three passes through the protective shell and extends into the filter cavity and is coaxially connected to the rotating column, and one end of the transmission wheel three is rotatably connected to the filter cavity;

[0020] Transmission wheel four is rotatably installed on the other side of the protective shell, and the transmission wheel four is located on one side of the turntable, one end of the transmission wheel four passes through the protective shell and extends into the discharge port and is coaxially connected to the turntable, the transmission wheel four is rotatably connected to the discharge port, and a transmission belt two is installed between the transmission wheel four and the transmission wheel three.

[0021] In this technical solution, the ore will slide toward the discharge port, and at the same time, the rotating column drives the transmission wheel three to rotate, the transmission wheel three drives the transmission belt two to transmit, the transmission belt two drives the transmission wheel four to rotate, and the transmission wheel four drives the turntable to rotate. When the gap on the turntable is connected to the discharge port, the ore in the protective shell will be discharged from the discharge port, achieving the effect of intermittent discharge and avoiding the effect of excessive single discharge causing blockage inside the ball mill.

[0022] In the above technical solution, further, the filter screen is arranged at an angle.

[0023] In this technical solution, it is ensured that larger ores will be displaced toward the crushing rollers and eventually fall onto the two crushing rollers.

[0024] In the above technical solution, further, the bottom of the protective shell is arranged in a funnel shape.

[0025] In this technical solution, under the effect of the funnel-shaped bottom of the protective shell, the ore will slide toward the discharge port.

[0026] In the above technical solution, further, the cross-section of the fixing bar is arc-shaped.

[0027] In this technical solution, the rotating column drives the two fixing bars to rotate, and the rotation of one of the fixing bars will lift up one side of the filter screen. When the fixing bar is no longer in contact with the bottom of the filter screen, one side of the filter screen will fall downward under the action of gravity.

[0028] The beneficial effects of the utility model are:

[0029] 1. The feeding device of the ball mill can drive the rotating column to rotate through the set driving component, and the rotating column drives the two fixed bars to rotate. The rotation of one of the fixed bars will lift up one side of the filter screen. When the fixed bar is no longer in contact with the bottom of the filter screen, one side of the filter screen will fall downward under the action of gravity. Smaller ores will pass through the filtration of the filter screen and fall to the bottom of the protective shell, and larger ores will move toward the direction of the crushing rollers and finally fall onto the two crushing rollers. The set driving component can drive the two crushing rollers to rotate in opposite directions, so that larger ores can be crushed, and the problem of slower efficiency of the ball mill due to larger ores will not occur.

[0030] 2. In the feeding device of the ball mill, the ore will slide toward the discharge port. The drive assembly can drive the turntable to rotate. When the gap on the turntable is connected to the discharge port, the ore in the protective shell will be discharged from the discharge port, achieving the effect of intermittent discharge and avoiding blockage inside the ball mill caused by excessive single discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is one of the overall structural schematic diagrams of the utility model;

[0032] Figure 2 It is a schematic diagram of the turntable area structure of the utility model;

[0033] Figure 3 This is the second schematic diagram of the motor structure of the utility model;

[0034] Figure 4 It is a schematic diagram of the gear area structure of the utility model;

[0035] Figure 5 It is a schematic diagram of the filter area structure of the utility model;

[0036] Figure 6 It is a schematic diagram of the structure of the rotating column area of ​​the utility model.

[0037] The symbols in the figure are:

[0038] 1. Protective shell; 2. Filter chamber; 3. Crushing chamber; 4. Partition; 5. Filter screen; 6. Rotating column; 7. Crushing roller; 8. Discharge port; 9. Turntable; 10. Motor; 11. Transmission wheel 1; 12. Power chamber; 13. Gear; 14. Transmission wheel 2; 15. Transmission belt 1; 16. Transmission wheel 3; 17. Transmission wheel 4; 18. Transmission belt 2; 19. Fixed bar. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0040] In the description of the present application, it should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The techniques, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but in appropriate cases, the techniques, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0041] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0042] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0043] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0044] Embodiment 1:

[0045] See also Figure 1 - Figure 6 As shown, this embodiment provides a ball mill feeding device, comprising:

[0046] A protective shell 1, wherein a filter chamber 2 and a crushing chamber 3 are provided in the protective shell 1, a partition plate 4 is fixedly installed between the filter chamber 2 and the crushing chamber 3, and the filter chamber 2 and the crushing chamber 3 are communicated;

[0047] The filter screen 5 is rotatably mounted in the filter chamber 2, and one end of the filter screen 5 passes through the filter chamber 2 and extends into the crushing chamber 3. A rotating column 6 is rotatably mounted in the filter chamber 2 and at the bottom of the filter screen 5. A fixing bar 19 is symmetrically fixedly mounted on the rotating column 6, and the fixing bar 19 contacts the bottom of the filter screen 5.

[0048] Two crushing rollers 7, both crushing rollers 7 are rotatably installed in the crushing chamber 3 and are located below the filter screen 5, a discharge port 8 is provided on one side of the protective shell 1 and below the crushing rollers 7, a rotating disk 9 is rotatably installed in the discharge port 8, a notch is provided on the rotating disk 9, and the discharge port 8 is connected to the notch;

[0049] The driving assembly is located on the protective shell 1 and is used to drive the rotating column 6 to rotate in the opposite direction to the two crushing rollers 7 and the rotating disk 9 to rotate.

[0050] Among them, when it is necessary to feed the ore, first pour the ore into the filter chamber 2, and the ore falls to the top of the filter screen 5. The driving component set can drive the rotating column 6 to rotate, and the rotating column 6 drives the two fixed bars 19 to rotate. The rotation of one of the fixed bars 19 will lift up one side of the filter screen 5. When the fixed bar 19 is no longer in contact with the bottom of the filter screen 5, one side of the filter screen 5 will fall downward under the action of gravity. Smaller ores will fall to the bottom of the protective shell 1 through the filtration of the filter screen 5, and larger ores will move in the direction of the crushing roller 7 and finally fall onto the two crushing rollers 7. The driving component set can drive the two crushing rollers 7 to rotate in the opposite direction, so that larger ores can be crushed, and the crushed ores fall to the bottom of the protective shell 1.

[0051] The ore will slide toward the discharge port 8. The drive assembly can drive the turntable 9 to rotate. When the gap on the turntable 9 is connected to the discharge port 8, the ore in the protective shell 1 will be discharged from the discharge port 8, achieving the effect of intermittent discharge and avoiding blockage inside the ball mill due to excessive single discharge.

[0052] In this embodiment, the driving component includes:

[0053] The motor 10 is fixedly mounted on one side of the protective shell 1 and is located at one end of the rotating column 6. A transmission wheel 11 is fixedly mounted on the output shaft of the motor 10. One end of the transmission wheel 11 penetrates the protective shell 1 and extends into the filter chamber 2 and is coaxially connected to the rotating column 6. The transmission wheel 11 is rotatably connected to the protective shell 1 and the filter chamber 2.

[0054] A power chamber 12, which is provided in the protective shell 1 and is located on one side of the two crushing rollers 7. Two gears 13 are rotatably installed in the power chamber 12, and the two gears 13 are meshed. One end of the two gears 13 penetrates the power chamber 12 and extends into the crushing chamber 3, and one end of the two gears 13 is coaxially connected to the two crushing rollers 7 respectively. The other end of one of the gears 13 penetrates the power chamber 12 and extends to the outside and is fixedly installed with a second transmission wheel 14, which is located below the first transmission wheel 11, and a transmission belt 15 is installed between the second transmission wheel 14 and the first transmission wheel 11;

[0055] Among them, the motor 10 is started at the same time, the motor 10 is powered on and drives the transmission wheel 11 and the rotating column 6 to rotate, the rotating column 6 drives the two fixed bars 19 to rotate, and the rotation of one of the fixed bars 19 will lift one side of the filter screen 5. When the fixed bar 19 is no longer in contact with the bottom of the filter screen 5, one side of the filter screen 5 will fall downward under the action of gravity, and the smaller ore will fall to the bottom of the protective shell 1 through the filtration of the filter screen 5, and the larger ore will move in the direction of the crushing roller 7 and finally fall onto the two crushing rollers 7. At the same time, the transmission wheel 11 drives the transmission belt 15 to transmit, and the transmission belt 15 drives the transmission wheel 2 14 to rotate, and the transmission wheel 2 14 drives one of the gears 13 to rotate, and one of the gears 13 drives the other gear 13 meshing with it to rotate in the opposite direction, and the two gears 13 respectively drive the two crushing rollers 7 to rotate in the opposite direction, so that the larger ore can be crushed, and the crushed ore falls to the bottom of the protective shell 1.

[0056] In this embodiment, the driving component also includes:

[0057] The transmission wheel 3 16 is rotatably mounted on the other side of the protective shell 1 and is located at the other end of the rotating column 6. One end of the transmission wheel 3 16 passes through the protective shell 1 and extends into the filter chamber 2 and is coaxially connected to the rotating column 6. One end of the transmission wheel 3 16 is rotatably connected to the filter chamber 2.

[0058] Transmission wheel four 17, the transmission wheel four 17 is rotatably mounted on the other side of the protective shell 1, and the transmission wheel four 17 is located on one side of the turntable 9, one end of the transmission wheel four 17 passes through the protective shell 1 and extends into the discharge port 8 and is coaxially connected to the turntable 9, the transmission wheel four 17 is rotatably connected to the discharge port 8, and a transmission belt two 18 is installed between the transmission wheel four 17 and the transmission wheel three 16;

[0059] Among them, the ore will slide in the direction of the discharge port 8, and at the same time, the rotating column 6 drives the transmission wheel three 16 to rotate, the transmission wheel three 16 drives the transmission belt two 18 to transmit, the transmission belt two 18 drives the transmission wheel four 17 to rotate, and the transmission wheel four 17 drives the turntable 9 to rotate. When the gap on the turntable 9 is connected with the discharge port 8, the ore in the protective shell 1 will be discharged from the discharge port 8, achieving the effect of intermittent discharge, avoiding the effect of excessive single discharge causing blockage inside the ball mill.

[0060] Embodiment 2:

[0061] This embodiment provides a ball mill feeding device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0062] In this embodiment, the filter screen 5 is arranged obliquely.

[0063] In this process, it is ensured that larger ores will be displaced toward the crushing rollers 7 and finally fall onto the two crushing rollers 7 .

[0064] Embodiment 3:

[0065] This embodiment provides a ball mill feeding device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0066] In this embodiment, the bottom of the protective shell 1 is arranged in a funnel shape.

[0067] Wherein, under the effect of the funnel-shaped bottom of the protective shell 1 , the ore will slide toward the discharge port 8 .

[0068] Embodiment 4:

[0069] This embodiment provides a ball mill feeding device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0070] In this embodiment, the cross section of the fixing bar 19 is arc-shaped.

[0071] The rotating column 6 drives the two fixing bars 19 to rotate. The rotation of one of the fixing bars 19 will lift up one side of the filter screen 5. When the fixing bar 19 is no longer in contact with the bottom of the filter screen 5, one side of the filter screen 5 will fall downward under the action of gravity.

[0072] Working principle: when it is necessary to feed the ore, first pour the ore into the filter chamber 2, the ore falls to the top of the filter screen 5, and at the same time start the motor 10, the motor 10 is powered on and drives the transmission wheel 11 and the rotating column 6 to rotate, the rotating column 6 drives the two fixed bars 19 to rotate, one of the fixed bars 19 rotates to lift one side of the filter screen 5, when the fixed bar 19 is no longer in contact with the bottom of the filter screen 5, one side of the filter screen 5 will fall downward under the action of gravity, the smaller ore passes through the filtration of the filter screen 5 and falls to the bottom of the protective shell 1, the larger ore will move in the direction of the crushing roller 7 and finally fall onto the two crushing rollers 7, at the same time the transmission wheel 11 drives the transmission belt 15 to transmit, the transmission belt 15 drives the transmission wheel 2 14 to rotate, the transmission wheel 2 14 drives one of the gears 13 to rotate, one of the gears 13 drives the other gear 13 meshing with it to rotate in the opposite direction, the two gears 13 respectively drive the two crushing rollers 7 to rotate in the opposite direction, the larger ore can be crushed, and the crushed ore falls to the bottom of the protective shell 1;

[0073] Under the effect of the funnel-shaped bottom of the protective shell 1, the ore will slide toward the discharge port 8, and at the same time, the rotating column 6 drives the transmission wheel three 16 to rotate, the transmission wheel three 16 drives the transmission belt two 18 to transmit, the transmission belt two 18 drives the transmission wheel four 17 to rotate, and the transmission wheel four 17 drives the turntable 9 to rotate. When the gap on the turntable 9 is connected with the discharge port 8, the ore in the protective shell 1 will be discharged from the discharge port 8, thereby achieving the effect of intermittent discharge and avoiding the effect of excessive single discharge causing blockage inside the ball mill.

[0074] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the inspiration of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A ball mill feeding device, characterized in that: include: A protective shell (1), wherein a filter chamber (2) and a crushing chamber (3) are provided in the protective shell (1), a partition plate (4) is fixedly installed between the filter chamber (2) and the crushing chamber (3), and the filter chamber (2) and the crushing chamber (3) are in communication; A filter screen (5), the filter screen (5) being rotatably mounted in the filter chamber (2), and one end of the filter screen (5) passing through the filter chamber (2) and extending into the crushing chamber (3), a rotating column (6) being rotatably mounted in the filter chamber (2) and at the bottom of the filter screen (5), a fixing bar (19) being symmetrically fixedly mounted on the fixing bar (19), and the fixing bar (19) being in contact with the bottom of the filter screen (5); Two crushing rollers (7), both of which are rotatably mounted in the crushing chamber (3) and located below the filter screen (5); a discharge port (8) is provided on one side of the protective shell (1) and located below the crushing rollers (7); a rotating disk (9) is rotatably mounted in the discharge port (8); a notch is provided on the rotating disk (9); and the discharge port (8) is connected to the notch; A driving assembly is located on the protective shell (1) and is used to drive the rotating column (6) to rotate in the opposite direction to the two crushing rollers (7) and the rotating disk (9).

2. A ball mill feeding device according to claim 1, characterized in that: The drive assembly comprises: A motor (10), wherein the motor (10) is fixedly mounted on one side of the protective shell (1), and the motor (10) is located at one end of the rotating column (6), and a transmission wheel (11) is fixedly mounted on the output shaft of the motor (10), and one end of the transmission wheel (11) penetrates the protective shell (1) and extends into the filter chamber (2) and is coaxially connected to the rotating column (6), and the transmission wheel (11) is rotationally connected to the protective shell (1) and the filter chamber (2); A power chamber (12), the power chamber (12) is opened in the protective shell (1) and is located on one side of the two crushing rollers (7), two gears (13) are rotatably installed in the power chamber (12), and the two gears (13) are meshed, one end of the two gears (13) passes through the power chamber (12) and extends into the crushing chamber (3), and one end of the two gears (13) is coaxially connected to the two crushing rollers (7), respectively, the other end of one of the gears (13) passes through the power chamber (12) and extends to the outside and is fixedly installed with a second transmission wheel (14), the second transmission wheel (14) is located below the first transmission wheel (11), and a transmission belt (15) is installed between the second transmission wheel (14) and the first transmission wheel (11) for transmission.

3. A ball mill feeding device according to claim 2, characterized in that: The drive assembly also includes: a transmission wheel three (16), the transmission wheel three (16) being rotatably mounted on the other side of the protective shell (1) and being located at the other end of the rotating column (6), one end of the transmission wheel three (16) passing through the protective shell (1) and extending into the filter chamber (2) and being coaxially connected to the rotating column (6), and one end of the transmission wheel three (16) being rotatably connected to the filter chamber (2); A transmission wheel four (17), the transmission wheel four (17) is rotatably mounted on the other side of the protective shell (1), and the transmission wheel four (17) is located on one side of the turntable (9), one end of the transmission wheel four (17) passes through the protective shell (1) and extends into the discharge port (8) and is coaxially connected to the turntable (9), the transmission wheel four (17) is rotatably connected to the discharge port (8), and a transmission belt two (18) is installed between the transmission wheel four (17) and the transmission wheel three (16) for transmission.

4. A ball mill feeding device according to claim 1, characterized in that: The filter screen (5) is arranged in an inclined manner.

5. A ball mill feeding device according to claim 1, characterized in that: The bottom of the protective shell (1) is arranged in a funnel shape.

6. A ball mill feeding device according to claim 1, characterized in that: The cross section of the fixing strip (19) is arc-shaped.

Images