A ball mill
By using magnetic guides and conductive coils in the ball mill to drive the grinding ball movement, and combining the design of lifting, cleaning and storage components, the existing ball mill has been solved, and the efficient and automated grinding process is achieved.
Patent Information
- Application Number
- CN202411700560.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-04-04
AI Technical Summary
After the sample grinding is finished, existing ball mills need to manually collect grinding samples and cleaning material bowls. The operation is cumbersome and dust is floating, which cannot meet the unit needs of high environmental requirements. At the same time, the grinding efficiency is low and it takes several hours or even days to meet the grinding requirements.
A ball mill is designed to use magnetically driven grinding ball movements generated by magnetic guides and/or conductive coils, and to achieve an automated grinding, cleaning and storage process through lifting, cleaning and storage components.
It improves grinding efficiency, improves the degree of automation, reduces manual operations, avoids messy work environments, and shortens grinding time.
Smart Images

Figure CN119747036A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of ball mills, in particular to a ball mill. Background Art
[0002] Ball mills are widely used in powder manufacturing, small-scale sample preparation, analysis and testing sample preparation and other fields. However, current ball mills require manual collection of ground samples and manual cleaning of the material bowl after sample grinding. Sample collection and cleaning operations need to be completed manually. At the same time, dust is flying during sample collection and cleaning, and a large amount of manpower is consumed, which cannot meet the needs of units with high environmental requirements. In addition, conventional ball mills are heavily dependent on swing motors. There are a large number of grinding balls, but the grinding efficiency is relatively low. The contact area between the balls or between the balls and the grinding chamber is very small, and it takes hours or even days to meet the grinding requirements. Therefore, improvement is needed. Summary of the invention
[0003] In view of this, the present invention provides a ball mill.
[0004] Specifically, the present invention is achieved through the following technical solutions:
[0005] According to a first aspect of the present invention, there is provided a ball mill, comprising:
[0006] A housing for providing an operating space;
[0007] A lifting assembly, used for lifting the grinding assembly; the lifting assembly is arranged in the housing;
[0008] A grinding assembly, used to provide a grinding space; the grinding assembly is arranged on the lifting assembly;
[0009] A driving assembly, used for driving the grinding balls in the grinding assembly to move and controlling the grinding rate of the grinding assembly; the driving assembly is disposed on the lifting assembly and is adjacent to the grinding assembly;
[0010] A cleaning component, used for cleaning the grinding component; the cleaning component is connected to the grinding component;
[0011] A storage assembly, used for storing the abrasive in the grinding assembly; the storage assembly is connected to the grinding assembly;
[0012] A control component is used to control each component; the control component is connected to the lifting component, the driving component and the cleaning component respectively.
[0013] Optionally, the lifting assembly includes: a mounting frame and a lifting cylinder, wherein a moving end of the lifting cylinder is connected to a first side of the mounting frame, and the grinding assembly is disposed on the mounting frame.
[0014] Optionally, the lifting assembly further comprises: an angle positioner connected to the lifting cylinder, and when the lifting cylinder drives the first side of the mounting frame to rise, the angle positioner controls the lifting angle of the mounting frame. When the raised gasket on the mounting frame passes through the infrared light sensor on the angle positioner, the cylinder stops and the lifting assembly stops moving, thereby achieving the control of the lifting angle and height.
[0015] Optionally, the grinding assembly includes: an annular grinding chamber, metal grinding balls, a cover body and a protrusion, wherein the annular grinding chamber is arranged on the mounting frame of the lifting assembly, the metal grinding balls are arranged in the annular grinding chamber, the annular grinding chamber is provided with a feed hole, the protrusion is arranged around the feed hole, the cover body seal is detachably arranged in the feed hole, and is movably connected to the annular grinding chamber, the annular grinding chamber is movably connected to the cleaning assembly, and the storage assembly is movably connected to the protrusion.
[0016] Optionally, the driving assembly includes: a conductive coil, a driving motor and a magnetic guide, wherein the conductive coil is arranged around the annular grinding chamber of the grinding assembly, the driving motor is arranged on the mounting frame of the lifting assembly, and the magnetic guide is arranged at the center of the annular grinding chamber and connected to the driving motor. After the conductive coil is energized, magnetism is generated along the inner cavity of the annular grinding chamber, and the magnetism is used to drive the grinding balls to grind along the annular chamber clockwise or counterclockwise.
[0017] Optionally, the cleaning assembly includes: a bowl cover, a cleaning liquid delivery structure, a gas delivery structure and an output structure; wherein the bowl cover is movably connected to the protrusion in the grinding assembly, and the bowl cover is provided with a first through hole, a second through hole and a third through hole, and the cleaning liquid delivery structure, the gas delivery structure and the output structure are respectively connected to the first through hole, the second through hole and the third through hole.
[0018] Optionally, the cleaning liquid delivery structure includes: a liquid pipeline, a liquid pump, a liquid tank, a first stop valve and a first flow valve, wherein the first end of the liquid pipeline is connected to the first through hole, the second end of the liquid pipeline is connected to the liquid tank, the liquid pump is connected to the liquid pipeline, the first stop valve is arranged on the liquid pipeline, and the first flow valve is arranged on the liquid pipeline.
[0019] Optionally, the gas delivery structure includes: a gas pipeline, a gas pump, a gas source, a second shut-off valve and a second flow valve, wherein the first end of the gas pipeline is connected to the second through hole, the second end of the gas pipeline is connected to the gas source, the gas pump is connected to the gas pipeline, the second shut-off valve is arranged on the gas pipeline, and the second flow valve is arranged on the gas pipeline.
[0020] Optionally, the output structure includes: an output pipeline, a first end of the output pipeline is connected to the third through hole.
[0021] Optionally, the storage assembly includes: a filter, a mesh hoop ring and a storage bag, wherein the mesh hoop ring is wrapped around and tightened around the opening of the storage bag and is movably connected to a protrusion in the grinding assembly, and the edge of the filter is connected to the mesh hoop ring and completely covers the opening of the storage bag.
[0022] The technical solution provided by the present invention brings at least the following beneficial effects:
[0023] The present application provides a ball mill, which utilizes the magnetism generated by a magnetic guide and / or a conductive coil to drive grinding balls along an annular cavity for grinding, has high grinding efficiency and a high degree of automation, and does not cause a cluttered working environment. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.
[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or related technical descriptions are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.
[0026] Figure 1 A schematic diagram of the structure of a ball mill provided by an embodiment of the present invention;
[0027] Figure 2 A schematic diagram of the structure of a lifting assembly in a ball mill provided by an embodiment of the present invention;
[0028] Figure 3 A schematic diagram of the structure of a lifting assembly in a ball mill provided by an embodiment of the present invention;
[0029] Figure 4 A schematic structural diagram of a grinding assembly in a ball mill provided by an embodiment of the present invention;
[0030] Figure 5A schematic diagram of the structure of a driving assembly in a ball mill provided by an embodiment of the present invention;
[0031] Figure 6 A schematic diagram of the structure of a driving assembly in a ball mill provided by an embodiment of the present invention;
[0032] Figure 7 A schematic diagram of the structure of a cleaning component in a ball mill provided by an embodiment of the present invention;
[0033] Figure 8 A schematic structural diagram of a storage assembly in a ball mill provided in an embodiment of the present invention. DETAILED DESCRIPTION
[0034] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0035] Figure 1 A ball mill suitable for an embodiment of the present invention is schematically shown.
[0036] Reference Figure 1-8 As shown, the present application provides a ball mill, comprising:
[0037] The housing 10 is used to provide an operating space;
[0038] The lifting assembly 20 is used to lift the grinding assembly 30; the lifting assembly 20 is disposed in the housing 10;
[0039] The grinding assembly 30 is used to provide a grinding space; the grinding assembly 30 is disposed on the lifting assembly 20;
[0040] The driving assembly 40 is used to drive the grinding balls in the grinding assembly to move and control the grinding rate of the grinding assembly 30; the driving assembly 40 is disposed on the lifting assembly 20 and is adjacent to the grinding assembly 30;
[0041] A cleaning component 50, used for cleaning the grinding component 30; the cleaning component 50 is connected to the grinding component 30;
[0042] The storage assembly 60 is used to store the abrasive in the grinding assembly 30; the storage assembly 60 is connected to the grinding assembly 30;
[0043] The control assembly is used to control each component; the control assembly is connected to the lifting assembly 20, the driving assembly 40 and the cleaning assembly 50 respectively.
[0044] In the embodiment of the present application, the cleaning component 50 is used to clean the inside of the grinding component 30, and then raw materials are added to the inside of the grinding component 30. The driving component 40 controls the movement of the grinding balls and adjusts the grinding rate of the grinding component 30. When the grinding is completed, the lifting component 20 is operated to raise one side of the grinding component 30, and the raw materials inside it are poured from the grinding component 30 into the storage component 60. After the pouring is completed, the cleaning component 50 is used to clean the inside of the grinding component 30.
[0045] Exemplarily, the lifting assembly 20 includes: a mounting frame 21 and a lifting cylinder 22 , wherein a moving end of the lifting cylinder 22 is connected to a first side of the mounting frame 21 , and the grinding assembly 30 is disposed on the mounting frame 21 .
[0046] In an embodiment of the present application, the mounting frame 21 and the lifting cylinder 22 are arranged on a plane inside the outer shell 10. The lifting cylinder 22 can control the first side of the mounting frame 21 to rise or fall relative to its second side on the plane, thereby realizing the tipping or resetting of the grinding assembly 30.
[0047] Exemplarily, the lifting assembly 20 also includes: an angle locator 23, which is connected to the second side of the mounting frame 21 and to the lifting cylinder 22. When the lifting cylinder 22 drives the first side of the mounting frame 21 to rise, the angle locator 23 controls the lifting angle of the mounting frame 21.
[0048] In the embodiment of the present application, when the mounting frame 21 is raised, the grinding assembly 30 is tilted, and the cylinder 22 controls the raising angle of the mounting frame 21. When the cylinder 22 of the lifting assembly 20 lifts the mounting frame 21 to a preset height, the raised gasket on the mounting frame 21 passes through the infrared light sensor on the angle locator 23. At this time, the angle locator 23 controls the cylinder 22 to stop, the cylinder 22 stops rising, and the mounting frame 21 also stops moving.
[0049] Exemplarily, the grinding assembly 30 includes: an annular grinding chamber 31, metal grinding balls 32, a cover body 33 and a protrusion 34, wherein the annular grinding chamber 31 is arranged on the mounting frame 21 of the lifting assembly 20, the metal grinding balls 32 are arranged in the annular grinding chamber 31, the annular grinding chamber 31 is provided with a feed hole, the protrusion 34 is an annular structure, arranged around the edge of the feed hole, the cover body 33 is detachably sealed and arranged in the feed hole, and is movably connected to the annular grinding chamber 31, the annular grinding chamber 31 is movably connected to the cleaning assembly 50, and the storage assembly 60 is movably connected to the protrusion 34 of the grinding assembly.
[0050] In the embodiment of the present application, each raw material is poured into the annular grinding chamber 31 through the feed hole, and then the cover 33 is sealed to seal the feed hole. The metal grinding balls 32 are in contact with the raw materials and move in the annular grinding chamber 31 under the control of the drive assembly 40 to squeeze and grind the raw materials. When the grinding is completed, the cover 33 is opened, and the storage assembly 60 corresponds to the connecting protrusion 34 and completely covers the feed hole. At this time, the lifting assembly 20 is controlled to lift the annular grinding chamber 31 and form a certain inclination angle with the horizontal plane, and the drive assembly 40 is started to drive the grinding balls to rotate in the annular grinding chamber, so that the ground materials are poured into the storage assembly 60 through the feed hole.
[0051] Exemplarily, the driving assembly 40 includes: a conductive coil 41, a driving motor 42 and a magnetic guide 43, wherein the conductive coil 41 is arranged around the annular grinding chamber 31 of the grinding assembly 30, the driving motor 42 is arranged on the mounting frame 21 of the lifting assembly 20, and the magnetic guide 43 is arranged at the center position of the annular grinding chamber 31 and is connected to the driving motor 42.
[0052] In the embodiment of the present application, the conductive coil 41 is connected to an external power source, and the conductive coil 41 becomes an electromagnet after being energized, and acts on the metal grinding ball 32. The driving motor 42 drives the magnetic guide 43 to rotate in the annular ring structure of the outer space of the annular grinding chamber 31, and the magnetism of the magnetic guide 43 itself can attract the metal grinding ball 32 and drive it to move inside the annular grinding chamber 31. The magnetic guide 43 can be a rod-shaped object or a disc-shaped object, and the magnetism of the magnetic guide 43 can be the same as or opposite to the magnetism of the metal grinding ball 32.
[0053] In the embodiment of the present application, the conductive coil 41 and the magnetic guide 43 can each independently magnetically attract the metal grinding ball 32 for grinding operation, or they can cooperate with each other to jointly magnetically attract the metal grinding ball 32 for grinding operation; or in the initial state, after the magnetic guide 43 guides the metal grinding ball 31 to move for a period of time, the movement of the magnetic guide 43 is stopped, and the metal grinding ball 32 is grounded solely by the magnetism of the conductive coil 41; or after the conductive coil 41 guides the metal grinding ball 32 to move for a period of time, the conductive coil 41 is powered off, and the metal grinding ball 32 is grounded solely by the magnetic guide 43.
[0054] In the embodiment of the present application, the direction of the magnetically guided metal grinding balls 31 can be clockwise, counterclockwise, or alternating between the two.
[0055] Exemplarily, the cleaning assembly 50 includes: a bowl cover 51, a cleaning liquid delivery structure, a gas delivery structure and an output structure; wherein the bowl cover 51 is movably connected to the protrusion 34 in the grinding assembly 30, and the bowl cover 51 is provided with a first through hole 52, a second through hole 53 and a third through hole 54, and the cleaning liquid delivery structure, the gas delivery structure and the output structure are respectively connected to the first through hole 52, the second through hole 53 and the third through hole 54.
[0056] In the embodiment of the present application, before loading the raw materials and after pouring the ground materials into the storage assembly 60, the cleaning assembly 50 can be used to clean the inside of the annular grinding chamber 31. Specifically, the cover 33 on the annular grinding chamber 31 is removed, and the bowl cover 51 is sealed at the protrusion 34 and the feed hole, and the lifting assembly 20 is controlled to tilt the annular grinding chamber 31, and finally the bowl cover 51 is also tilted at a certain angle, and this angle can make the waste liquid or waste gas after cleaning discharged from the output structure by gravity or pressure; the cleaning liquid conveying structure and the gas conveying structure respectively input cleaning liquid and / or high-pressure gas into the annular grinding chamber 31, and the cleaning liquid and / or gas pressure impact contact with the inner wall of the annular grinding chamber 31 to complete the cleaning, and the waste liquid or waste gas can be discharged from the output structure by gravity or pressure.
[0057] Exemplarily, the cleaning liquid delivery structure includes: a liquid pipeline 55, a liquid pump 56, a liquid tank 57, a first stop valve 58 and a first flow valve 59, wherein the first end of the liquid pipeline 55 is connected to the first through hole 52, the second end of the liquid pipeline 55 is connected to the liquid tank 57, the liquid pump 56 is connected to the liquid pipeline 55, the first stop valve 58 is arranged on the liquid pipeline 55, and the first flow valve 59 is arranged on the liquid pipeline 55.
[0058] In the embodiment of the present application, the cleaning liquid in the liquid tank 57 is transported to the annular grinding chamber 31 through the liquid pipeline 55 under the action of the liquid pump 56, the first stop valve 58 controls the on-off of the liquid pipeline 55 and prevents the liquid from flowing back under pressure, and the first flow valve 59 calculates the amount of fluid flowing through the liquid pipeline 55.
[0059] Exemplarily, the gas delivery structure includes: a gas pipeline 510, a gas pump 511, a gas source 512, a second stop valve 513 and a second flow valve 514, wherein the first end of the gas pipeline 510 is connected to the second through hole 53, the second end of the gas pipeline 510 is connected to the gas source 512, the gas pump 511 is connected to the gas pipeline 510, the second stop valve 513 is arranged on the gas pipeline 510, and the second flow valve 514 is arranged on the gas pipeline 510.
[0060] In the embodiment of the present application, the high-pressure gas in the gas source 512 is transported to the annular grinding chamber 31 through the gas pipeline 510 under the action of the gas pump 511, the second stop valve 513 controls the on-off of the gas pipeline 510 and prevents the gas from flowing back under the action of pressure, and the second flow valve 514 calculates the amount of fluid flowing through the gas pipeline 510.
[0061] Exemplarily, the output structure includes: an output pipeline 515 , a first end of which is connected to the third through hole 54 .
[0062] In the embodiment of the present application, the cleaning liquid and / or gas contacts the inner wall of the annular grinding chamber 31 under the impact of gas pressure to complete the cleaning, and the waste liquid or waste gas can be discharged from the output pipeline 515 by gravity or pressure.
[0063] Exemplarily, the storage assembly 60 includes: a filter 61, a mesh hoop ring 62 and a storage bag 63, wherein the mesh hoop ring 62 is wrapped around and tightened around the opening of the storage bag 63, and is movably connected to the protrusion 34 in the grinding assembly 30, and the edge of the filter 61 is connected to the mesh hoop ring 62 and completely covers the opening of the storage bag 63.
[0064] In the embodiment of the present application, the ground material passes through the feed hole and is filtered by the filter screen 61 into the storage bag 63. When the storage bag 63 is full of raw materials, the mesh hoop 62 is disassembled and replaced with a new storage bag 63. The filter screen 61 can intercept the metal grinding balls 32 to prevent the metal grinding balls 32 from entering the storage bag 63, and can filter out large particles of impurities that do not meet the requirements.
[0065] The ball mill provided by the present application has high grinding efficiency and high degree of automation and will not cause a messy working environment.
[0066] It should be noted that, in the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.
[0067] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.
[0068] In addition, the terms "installed", "set", "provided with", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0069] In addition, the terms "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise specified, "plurality" means two or more.
[0070] The foregoing is merely a specific embodiment of the present invention, which enables those skilled in the art to understand or implement the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features claimed herein.
Claims
1. A ball mill, characterized in that: include: A housing for providing an operating space; A lifting assembly, used for lifting and lowering the grinding assembly; The lifting assembly is disposed in the housing; A grinding assembly, used for providing a grinding space; The grinding assembly is arranged on the lifting assembly; A driving assembly, used for driving the grinding assembly to grind and controlling the grinding rate of the grinding assembly; the driving assembly is disposed on the lifting assembly and is adjacent to the grinding assembly; A cleaning component, used for cleaning the grinding component; the cleaning component is connected to the grinding component; A storage assembly, used for storing the abrasive in the grinding assembly; the storage assembly is connected to the grinding assembly; A control component is used to control each component; the control component is connected to the lifting component, the driving component and the cleaning component respectively.
2. The ball mill according to claim 1, characterized in that: The lifting assembly includes: a mounting frame and a lifting cylinder, wherein a moving end of the lifting cylinder is connected to a first side of the mounting frame, and the grinding assembly is arranged on the mounting frame.
3. The ball mill according to claim 2, characterized in that: The lifting assembly further includes an angle positioner connected to the lifting cylinder. When the lifting cylinder drives the first side of the mounting frame to rise, the angle positioner controls the lifting angle of the mounting frame.
4. The ball mill according to claim 1, characterized in that: The grinding assembly includes: an annular grinding chamber, metal grinding balls, a cover body and a protrusion, wherein the annular grinding chamber is arranged on the mounting frame of the lifting assembly, the metal grinding balls are arranged in the annular grinding chamber, the annular grinding chamber is provided with a feed hole, the protrusion is arranged around the feed hole, the cover body seal is detachably arranged in the feed hole, and is movably connected to the annular grinding chamber, the annular grinding chamber is movably connected to the cleaning assembly, and the storage assembly is movably connected to the protrusion.
5. The ball mill according to claim 1, characterized in that: The driving assembly includes: a conductive coil, a driving motor and a magnetic guide, wherein the conductive coil is arranged around the annular grinding chamber of the grinding assembly, the driving motor is arranged on the mounting frame of the lifting assembly, and the magnetic guide is arranged at the center of the annular grinding chamber and connected to the driving motor.
6. The ball mill according to claim 1, characterized in that: The cleaning assembly includes: a bowl cover, a cleaning liquid delivery structure, a gas delivery structure and an output structure; wherein the bowl cover is movably connected to the protrusion in the grinding assembly, and the bowl cover is provided with a first through hole, a second through hole and a third through hole, and the cleaning liquid delivery structure, the gas delivery structure and the output structure are respectively connected to the first through hole, the second through hole and the third through hole.
7. The ball mill according to claim 6, characterized in that The cleaning liquid delivery structure includes: a liquid pipeline, a liquid pump, a liquid tank, a first stop valve and a first flow valve, wherein the first end of the liquid pipeline is connected to the first through hole, the second end of the liquid pipeline is connected to the liquid tank, the liquid pump is connected to the liquid pipeline, the first stop valve is arranged on the liquid pipeline, and the first flow valve is arranged on the liquid pipeline.
8. The ball mill according to claim 6, characterized in that The gas delivery structure includes: a gas pipeline, a gas pump, a gas source, a second shut-off valve and a second flow valve, wherein the first end of the gas pipeline is connected to the second through hole, the second end of the gas pipeline is connected to the gas source, the gas pump is connected to the gas pipeline, the second shut-off valve is arranged on the gas pipeline, and the second flow valve is arranged on the gas pipeline.
9. The ball mill according to claim 6, characterized in that: The output structure includes: an output pipeline, a first end of which is connected to the third through hole.
10. The ball mill according to claim 1, characterized in that The storage assembly includes: a filter, a mesh hoop ring and a storage bag, wherein the mesh hoop ring is wrapped around and tightened around the opening of the storage bag and is movably connected to the protrusion in the grinding assembly, and the edge of the filter is connected to the mesh hoop ring and completely covers the opening of the storage bag.