Feeding mechanism for ball mill
By designing the adjustment and crushing mechanisms of the ball mill's feeding mechanism, the problem of controlling the amount of material input was solved, enabling precise adjustment of the amount of material input and material pretreatment, thereby improving the grinding effect and efficiency of the ball mill.
Patent Information
- Application Number
- CN202520316401.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-26
AI Technical Summary
In the existing technology, it is difficult to adjust and control the amount of material fed into the ball mill during the feeding process, which leads to too much material entering at one time, affecting the grinding quality and increasing the burden on the ball mill.
A feeding mechanism for a ball mill was designed, comprising an adjustment mechanism and a crushing mechanism. The material input amount is adjusted by forward and reverse screws and a motor-driven stop, and the material is initially crushed by a crushing roller, thereby achieving precise control of the material input amount and material pretreatment.
It enables flexible control over the amount of material input, avoids excessive material entering, reduces the workload of the ball mill, and improves grinding effect and efficiency.
Smart Images

Figure CN223945827U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ball mill technical field, concretely is a kind of ball mill feeding mechanism. BACKGROUND
[0002] Ball mill is a common grinding equipment, and is also the key equipment for material after being crushed. It is one of high fine grinding machines widely used in industrial production, and through the rotation cylinder equipped with grinding block (grinding ball or grinding rod), grinding, mixing, grinding and other purposes are realized by grinding and impact. In order to improve feeding efficiency and reduce the labor intensity of operator, feeding device is usually used to feed ball mill. Feeding device is a device or system for adding material to ball mill, and its main function is to safely, uniformly and efficiently feed the material to be processed into the cylinder of ball mill, to ensure that the material can smoothly enter the ball mill and be effectively ground. Feeding device can ensure the continuity and stability of grinding operation, thereby facilitating the improvement of production efficiency.
[0003] In the prior art, when feeding ball mill through feeding device, the material is usually directly fed into the feeding device, and the material is fed into the ball mill through the conveying action of the feeding device. Since the feeding amount of the material cannot be well adjusted and controlled during feeding, it is easy to cause the material to be fed too much at one time, thereby failing to well guarantee the grinding quality and effect, and easily increasing the burden of ball mill grinding. Therefore, in order to solve the above problems, a ball mill feeding mechanism is provided. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a ball mill feeding mechanism to solve the problem that the feeding amount of the material cannot be well adjusted and controlled during feeding, which easily causes the material to be fed too much at one time, thereby failing to well guarantee the grinding quality and effect, and easily increasing the burden of ball mill grinding.
[0005] To achieve the above object, the utility model provides the following technical scheme: a ball mill feeding mechanism, comprising a machine body, the machine body comprises a ball mill cylinder, a feeding cylinder is arranged on one side of the ball mill cylinder, the feeding cylinder and the ball mill cylinder are movably connected, a feeding hopper is fixedly connected to the top end of the feeding cylinder, a spiral conveying rod is movably connected to the inner side of the feeding cylinder, a first motor is fixedly installed on the surface of the feeding cylinder, the spiral conveying rod and the output end of the first motor are fixedly connected.
[0006] The inner side of the feeding hopper is provided with an adjusting mechanism, the adjusting mechanism comprises a guide plate, the guide plate is fixedly connected to the inner wall of the feeding hopper, the inner wall of the feeding hopper is fixedly connected with a fixed plate, the inner side of the fixed plate is provided with a limiting groove, the inner side of the limiting groove is movably connected with a forward and reverse screw rod, the surface of the feeding hopper is fixedly installed with a second motor, the surface of the forward and reverse screw rod is threadedly connected with a moving block, the bottom end of the moving block is movably connected with a movable rod, the surface of the movable rod is fixedly connected with a connecting plate, and the bottom end of the connecting plate is fixedly connected with a stop block.
[0007] Preferably, the forward and reverse screw rod is movably connected with the fixed plate and the feeding hopper, and the output end of the forward and reverse screw rod and the second motor is fixedly connected.
[0008] Preferably, the moving block is movably arranged in the limiting groove, and the moving block is movably connected with the forward and reverse screw rod in two groups.
[0009] Preferably, one end of the movable rod is movably connected with the moving block through a rotating shaft, and the other end of the movable rod is movably connected with the connecting plate through a rotating shaft.
[0010] Preferably, the inner side of the feeding hopper is provided with a crushing mechanism, the crushing mechanism comprises a rotating rod, the rotating rod is movably connected to the inner side of the feeding hopper, the surface of the rotating rod is fixedly connected with a crushing roller, the surface of the feeding hopper is fixedly installed with a third motor, and the surface of the rotating rod is fixedly connected with a gear.
[0011] Preferably, the rotating rod is movably connected with the feeding hopper in two groups, the crushing rollers are movably connected with the rotating rod in two groups in a corresponding mode, and the output end of the rotating rod and the third motor is fixedly connected.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1、Through the rotation of the forward and reverse screw rod, the moving block can be moved, and then the movable rod can be moved under the action of the moving block, the connecting plate can drive the stop block to move vertically, the size of the gap between the stop block and the guide plate can be changed through the movement of the stop block, the size of the space for feeding materials can be adjusted, the effect of controlling the amount of feeding materials can be achieved, the effect of the ball mill cylinder on material crushing and grinding can be avoided by entering too much material at one time, the burden on the ball mill cylinder can be avoided, and the ball mill cylinder can be better ground.
[0014] 2. The third motor drives the rotating rod to rotate, and with the setting of two sets of gears, the two sets of rotating rods can drive the crushing roller to rotate in opposite directions. This enables the crushing roller to perform preliminary crushing of the material, which can reduce the volume of larger materials. This allows the material to be better ground after entering the ball mill cylinder, thereby reducing the workload of the ball mill cylinder and improving the grinding effect. Attached Figure Description
[0015] Figure 1 This is a front view schematic diagram of the structure of this utility model;
[0016] Figure 2 This is an exploded side view sectional view of the feeding cylinder and screw conveyor rod of this utility model;
[0017] Figure 3 This is a rear sectional exploded view of the structure of the guide plate and crushing roller of this utility model;
[0018] Figure 4 This is an exploded side view sectional view of the structure of the fixing plate and the stop block of this utility model.
[0019] In the diagram: 1. Ball mill cylinder; 11. Feeding cylinder; 12. Feed hopper; 13. Screw conveyor; 14. First motor; 2. Guide plate; 21. Fixed plate; 22. Limiting groove; 23. Positive and negative screws; 24. Second motor; 25. Moving block; 26. Movable rod; 27. Connecting plate; 28. Stop block; 3. Rotating rod; 31. Crushing roller; 32. Third motor; 33. Gear. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figures 1-4 One embodiment provided by this utility model:
[0022] The first motor 14, the second motor 24, and the third motor 32 used in this application are products that can be purchased directly from the market. Their principles and connection methods are existing technologies well known to those skilled in the art, so they will not be described in detail here.
[0023] The utility model provides a kind of feeding mechanism for ball mill, including machine body, machine body includes ball mill barrel 1, ball mill barrel 1 side is provided with feeding cylinder 11, feeding cylinder 11 and ball mill barrel 1 movably connect, the top of feeding cylinder 11 is fixedly connected with feed hopper 12, the inner side of feeding cylinder 11 movably connects with screw conveying rod 13, the surface of feeding cylinder 11 is fixedly installed with first motor 14, screw conveying rod 13 and the output of first motor 14 are fixedly connected, by the setting of feed hopper 12, material can enter into feeding cylinder 11, the operation of first motor 14 can drive screw conveying rod 13 rotate, then screw conveying rod 13 can deliver material, so as to realize the feeding of ball mill barrel 1;
[0024] The inner side of feed hopper 12 is provided with adjusting mechanism, adjusting mechanism includes guide plate 2, guide plate 2 is fixedly connected on the inner wall of feed hopper 12, the inner wall of feed hopper 12 is fixedly connected with fixed plate 21, the inner side of fixed plate 21 is provided with limiting groove 22, the inner side of limiting groove 22 movably connects with positive and negative screw rod 23, the surface of feed hopper 12 is fixedly installed with second motor 24, the surface of positive and negative screw rod 23 is threadedly connected with moving block 25, the bottom of moving block 25 movably connects with movable rod 26, the surface of movable rod 26 is fixedly connected with connecting plate 27, the bottom of connecting plate 27 is fixedly connected with stop block 28, by the cooperation of guide plate 2 and stop block 28, when the gap between guide plate 2 and stop block 28 changes during the vertical movement of stop block 28, the feeding amount of material can be controlled, so that feeding is more flexible, and excessive feeding at one time can be avoided.
[0025] Further, the positive and negative screw rod 23 movably connects with fixed plate 21 and feed hopper 12, the output of positive and negative screw rod 23 and second motor 24 is fixedly connected, by the rotation of positive and negative screw rod 23, moving block 25 can be moved, and then movable rod 26 can be activated, so that the height of stop block 28 can be adjusted.
[0026] Further, the moving block 25 movably connects with the positive and negative screw rod 23, by the setting of moving block 25, when moving block 25 moves under the action of positive and negative screw rod 23, movable rod 26 can be activated, and then connecting plate 27 can drive stop block 28 to lift.
[0027] Further, one end of the movable rod 26 movably connects with the moving block 25 through a pivot, the other end of the movable rod 26 movably connects with the connecting plate 27 through a pivot, by connecting the moving block 25 and the connecting plate 27 through the movable rod 26, when the moving block 25 moves, the movable rod 26 activates, the connecting plate 27 drives the stop block 28 to vertically move, so that the gap between the stop block 28 and the guide plate 2 can be adjusted, and the entry of material can be flexibly controlled.
[0028] Further, the inner side of the feeding hopper 12 is provided with a crushing mechanism, the crushing mechanism comprising a rotating rod 3 movably connected to the inner side of the feeding hopper 12, the surface of the rotating rod 3 being fixedly connected with a crushing roller 31, the surface of the feeding hopper 12 being fixedly installed with a third motor 32, and the surface of the rotating rod 3 being fixedly connected with a gear 33, through the arrangement of the crushing roller 31, the preliminary crushing of the material with large volume can be realized, the burden of the ball mill cylinder 1 can be reduced, and the ball mill cylinder 1 can better crush.
[0029] Further, the rotating rod 3 is movably connected with the feeding hopper 12 in two groups, the crushing roller 31 is movably connected with the rotating rod 3 in two groups, the rotating rod 3 is fixedly connected with the output end of the third motor 32, through the arrangement of the gear 33, when the rotating rod 3 connected with the third motor 32 rotates, the corresponding gear 33 rotates, and another group of gears 33 can be driven, so that the two groups of crushing rollers 31 can be reversely operated, and the material crushing can be facilitated.
[0030] Working principle: in use, the second motor 24 is electrically connected by an external power source, the operator starts the second motor 24 by pressing the switch, the second motor 24 rotates to drive the forward and reverse screw rod 23 to rotate, the moving block 25 is limited by the limiting groove 22, and will move under the action of the forward and reverse screw rod 23, and move in the limiting groove 22, and then the movable rod 26 moves through the shaft under the action of the moving block 25, the connecting plate 27 drives the stop block 28 to move vertically under the action of the movable rod 26, the size of the gap between the guide plate 2 and the stop block 28 changes, so that the feeding amount of the material can be controlled;
[0031] The third motor 32 is electrically connected by an external power source, the operator starts the third motor 32 by pressing the switch, the third motor 32 rotates to drive the rotating rod 3 connected therewith to rotate, the rotating rod 3 rotates to drive the crushing roller 31 and the gear 33 connected therewith to rotate, the rotation of the gear 33 can drive another group of gears 33, so that the two groups of rotating rods 3 drive the two groups of crushing rollers 31 to rotate reversely at the same time, and the preliminary crushing of the material by the crushing roller 31 can be realized.
[0032] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any ordinary technical personnel in the industry can implement the present application according to the drawings and the above; however, any equivalent changes, modifications and evolution of the above disclosed technical content without departing from the technical scheme of the present application can be made by any skilled person in the art, and all of them are equivalent embodiments of the present application; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application are still within the protection scope of the technical scheme of the present application.
Claims
1. A ball mill feeding mechanism, comprising a body, the body comprising a ball mill barrel (1), one side of the ball mill barrel (1) is provided with a feeding barrel (11), the feeding barrel (11) and the ball mill barrel (1) are movably connected, the top end of the feeding barrel (11) is fixedly connected with a feeding hopper (12), the inner side of the feeding barrel (11) is movably connected with a spiral conveying rod (13), the surface of the feeding barrel (11) is fixedly installed with a first motor (14), the spiral conveying rod (13) and the output end of the first motor (14) are fixedly connected. characterized in that The inner side of the feeding hopper (12) is provided with an adjusting mechanism, the adjusting mechanism comprises a guide plate (2), the guide plate (2) is fixedly connected to the inner wall of the feeding hopper (12), the inner wall of the feeding hopper (12) is fixedly connected with a fixed plate (21), the inner side of the fixed plate (21) is provided with a limiting groove (22), the inner side of the limiting groove (22) is movably connected with a reversible screw rod (23), the surface of the feeding hopper (12) is fixedly installed with a second motor (24), the surface of the reversible screw rod (23) is threadedly connected with a moving block (25), the bottom end of the moving block (25) is movably connected with a movable rod (26), the surface of the movable rod (26) is fixedly connected with a connecting plate (27), the bottom end of the connecting plate (27) is fixedly connected with a stop block (28).
2. A material feeding mechanism for a ball mill according to claim 1, characterized in that: The reversible screw rod (23) is movably connected with the fixed plate (21) and the feeding hopper (12), and the output end of the reversible screw rod (23) and the second motor (24) is fixedly connected.
3. A material feeding mechanism for a ball mill as claimed in claim 1, wherein: The moving block (25) moves in the inner side of the limiting groove (22), and the moving block (25) is movably connected with the reversible screw rod (23).
4. A material feeding mechanism for a ball mill according to claim 1, characterized in that: One end of the movable rod (26) is movably connected with the moving block (25) through a rotating shaft, and the other end of the movable rod (26) is movably connected with the connecting plate (27) through a rotating shaft.
5. A material feeding mechanism for a ball mill as claimed in claim 1, wherein: The inner side of the feeding hopper (12) is provided with a crushing mechanism, the crushing mechanism comprises a rotating rod (3), the rotating rod (3) is movably connected to the inner side of the feeding hopper (12), the surface of the rotating rod (3) is fixedly connected with a crushing roller (31), the surface of the feeding hopper (12) is fixedly installed with a third motor (32), and the surface of the rotating rod (3) is fixedly connected with a gear (33).
6. A material feeding mechanism for a ball mill as claimed in claim 5, wherein: The rotating rod (3) is movably connected with the feeding hopper (12), the crushing roller (31) is movably connected with the rotating rod (3) in a corresponding manner, and the output end of the rotating rod (3) and the third motor (32) is fixedly connected.