A vibration ball mill and a plasma ball mill

Abstract

The application relates to the technical field of vibration ball mills, in particular to a vibration ball mill and a plasma ball mill. The vibration ball mill comprises a vibration table assembly; a limiting frame connected with the vibration table assembly, the limiting frame and the vibration table assembly form an installation groove for installing a ball mill tank, the depth direction of the installation groove is a first direction; a support connected with the vibration table assembly, the support has a threaded hole; a pressing piece having an external thread, the pressing piece is threadedly connected with the support, the pressing piece has a pressing part for contacting the ball mill tank. Such an installation mode can effectively simplify the installation structure, so that the vibration ball mill is more convenient for installing the ball mill tank. In this way, the clamping force of the ball mill tank can be more easily controlled, so that mechanical failures such as slippage of the ball mill tank are not prone to occur. The limiting frame limits the ball mill tank through its own shape, so that the ball mill tank can be reliably installed in the installation groove formed by the vibration table assembly and the limiting frame.

Description

Technical Field

[0001] This application relates to the field of vibratory ball mill technology, and more particularly to a vibratory ball mill and a plasma ball mill. Background Technology

[0002] A vibratory ball mill is a highly efficient grinding device, commonly used for operations such as crushing, mixing, homogenization, and mechanical alloying. Most existing vibratory ball mills use a clamping method to fix the grinding jar; that is, the vibratory ball mill has two clamping structures, one fixed and the other movable. The two clamping structures are tightened together with bolts to hold the grinding jar securely.

[0003] Using a clamping structure to secure the grinding jar requires adjusting the tightness of the bolts to change the clamp's tension, making it difficult to determine if the clamp's tightness is appropriate. To ensure complete tightening, the bolts on the clamping structure are often over-tightened, which can easily cause bolt stripping and complicate disassembly. Furthermore, existing clamping structures rely on friction to hold the grinding jar in place. During the grinding jar's movement, the bolts on the clamping structure are prone to loosening, affecting the clamping's gripping effect. This means the clamping structure has limited restraint on the grinding jar, making it prone to wobbling relative to the clamping structure during the vibratory ball mill's operation, and even detachment from the clamping structure. Utility Model Content

[0004] To address the aforementioned problems, this utility model provides a vibratory ball mill and a plasma ball mill.

[0005] In a first aspect, embodiments of this application provide a vibratory ball mill, which specifically includes:

[0006] Vibration table assembly;

[0007] A limiting frame is connected to the vibration table assembly, and the limiting frame and the vibration table assembly form an installation groove, which is used to install a ball mill jar, and the depth direction of the installation groove is a first direction;

[0008] A bracket is connected to the vibration table assembly, and the bracket has a threaded hole, the depth direction of which is in the same direction as the first direction;

[0009] A clamping member having an external thread, the clamping member being threadedly connected to the bracket, the clamping member having a clamping part for contacting the ball mill jar.

[0010] Optionally, the clamping member has a handle located at one end of the clamping member away from the vibration table assembly.

[0011] Optionally, the vibratory ball mill further includes a locking nut, which is threadedly connected to the external thread of the clamping member, and one end of the locking nut contacts the bracket.

[0012] Optionally, the anti-loosening nut is disposed on the side of the bracket facing away from the vibration table assembly.

[0013] Optionally, the support includes a first part and a second part;

[0014] The first part extends along the first direction, and there are two first parts, which are arranged relatively spaced apart; the first end of the first part is fixedly connected to the vibration table assembly, and the second part is connected between the second ends of the two first parts, and the threaded hole is provided in the second part.

[0015] Optionally, along the second direction, the maximum dimension of the first end of the first portion is d1, the maximum dimension of the second end of the first portion is d2, d1 > d2, and the second direction intersects with the first direction.

[0016] Optionally, the limiting frame is disposed between the two first parts, and the opposite sides of the limiting frame respectively contact the first part.

[0017] Optionally, the gap between the surface of the limiting frame closest to the grinding jar and the outer surface of the grinding jar is δ, where 2mm≤δ≤5mm.

[0018] Optionally, the lock nut is a wing nut;

[0019] And / or, the clamping part is a flexible structure.

[0020] In a second aspect, embodiments of this application provide a plasma ball mill, the plasma ball mill including a plasma power supply and any of the vibratory ball mills described in the first aspect, the ball milling jar including a jar body and electrodes;

[0021] The tank is connected to the electrode, and at least a portion of the electrode extends into the interior of the tank; the electrode is electrically connected to the plasma power source.

[0022] In some implementations of this application, the vibratory ball mill specifically includes a vibratory table assembly, a limiting frame, a bracket, and a clamping component. The grinding jar is installed in the mounting groove formed by the vibratory table assembly and the limiting frame, and the clamping component is threadedly connected to the threaded hole on the bracket. During installation, the grinding jar is pressed and fixed in the mounting groove by tightening the clamping component. Compared with the original clamping installation method, this installation method can effectively simplify the installation structure, making it easier to install the grinding jar in the vibratory ball mill. At the same time, this installation method, in which the clamping component directly presses the grinding jar, makes it easier to control the clamping force of the grinding jar, thus reducing the likelihood of mechanical failures such as stripping that are detrimental to the disassembly and assembly of the grinding jar. The limiting frame limits the grinding jar by its own shape, so the limiting effect of the limiting frame on the grinding jar is not affected by the vibration of the vibratory ball mill. This ensures that the grinding jar is reliably installed in the mounting groove formed by the vibratory table assembly and the limiting frame, preventing the grinding jar from shaking or detaching relative to the vibratory table assembly during the operation of the vibratory ball mill.

[0023] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0024] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0025] Figure 1 This is an isometric view (without the grinding jar) of the vibratory ball mill described in this application;

[0026] Figure 2 yes Figure 1 Axonometric view along another direction;

[0027] Figure 3 yes Figure 1 Axonometric view of the mill jar with the ball mill in place;

[0028] Figure 4 yes Figure 3 Axonometric view in another direction;

[0029] Figure 5 yes Figure 3 The front view;

[0030] Figure 6 yes Figure 3 Side view;

[0031] Figure 7 yes Figure 4 Schematic diagram showing the positions of the grinding jar and the limiting frame;

[0032] Reference numerals: 1. Vibration table assembly; 2. Limiting frame; 3. Mounting groove; 4. Bracket; 41. First part; 42. Second part; 5. Clamping element; 51. Clamping part; 52. Handle; 6. Anti-loosening nut; 7. Grinding jar; 71. Jar body; 72. Electrode; X - First direction; Y - Second direction. Detailed Implementation

[0033] The embodiments of this utility model will now be described in detail. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model. All other embodiments obtained by those skilled in the art based on the embodiments in this application without inventive effort are within the scope of protection of this application.

[0034] A vibratory ball mill is a highly efficient powder processing equipment, mainly used for processes such as crushing, mixing, homogenization, and mechanical alloying. It uses high-frequency vibration to generate strong impact, friction, and shear forces on the grinding media (such as steel balls, ceramic balls, etc.) within the mill jar, thereby achieving the crushing and mixing of materials. The mill jar is the container that holds the materials and grinding media, and is usually made of wear-resistant materials (such as stainless steel, ceramic, or polymer materials). The volume and shape of the mill jar are designed according to the characteristics of the materials being processed, and can be cylindrical, square, or other special shapes. The mill jar is usually mounted on the vibrating table assembly of the vibratory ball mill. The vibrating table assembly has excitation devices such as motors, electric cylinders, pneumatic cylinders, hydraulic cylinders, and hydraulic motors, and can vibrate under the drive of these devices, thereby causing the mill jar to vibrate.

[0035] Most existing vibratory ball mills use clamps to secure the grinding jar, meaning the mill has two clamping structures: one fixed and the other movable. These two clamping structures are typically crescent-shaped, forming a circular or near-circular space when connected. The grinding jar is installed within this space, and the two clamping structures are tightened together with bolts to hold the jar securely.

[0036] Using a clamping structure to secure the grinding jar requires adjusting the tightness of the bolts to change the clamp's tension, making it difficult to determine if the clamp's tightness is appropriate. To ensure complete clamping, the bolts on the clamping structure are usually over-tightened, which can easily cause bolt stripping and complicate overall disassembly.

[0037] Meanwhile, existing clamping structures rely on friction to secure the grinding jar. During the movement of the grinding jar, the bolts on the clamping structure are prone to loosening, thus reducing the clamping tightness. At this point, the friction between the clamping structure and the grinding jar decreases, making it difficult for the clamping structure to adequately secure the grinding jar. This means that the clamping structure has limited restraint on the grinding jar, and the grinding jar is prone to swaying relative to the clamping structure during the movement of the vibratory ball mill, and may even detach from the clamping structure.

[0038] To address the aforementioned problems, this application provides a vibratory ball mill.

[0039] refer to Figure 1 , Figure 2 The vibratory ball mill provided in this application embodiment specifically includes a vibratory table assembly 1, a limiting frame 2, a bracket 4, and a clamping component 5.

[0040] refer to Figure 3 , Figure 4 The vibration table assembly 1 is the mounting structure used to install the grinding jar 7. In this embodiment, the vibration table assembly 1 specifically includes a plate structure. The side of the plate structure facing away from the ground is used to install the grinding jar 7, and the side of the plate structure facing the ground is used to install the excitation device. The excitation device is the component that provides vibration for the grinding jar 7 and the vibration table assembly 1. In this embodiment, the excitation device can specifically be a cylinder, electric cylinder, hydraulic cylinder, etc. The power output end of the cylinder, electric cylinder, hydraulic cylinder, etc., is connected to the plate structure of the vibration table assembly 1 for transmission, so that the vibration table assembly 1 is driven to vibrate by the movement of the power output end. Alternatively, the excitation device can be a pendulum rotatably mounted on the plate structure. The pendulum is driven to rotate by a motor, air pump motor, hydraulic motor, etc., so that the vibration table assembly 1 is driven to vibrate by the rotation of the pendulum. In this application, the excitation device can be selected according to actual needs, which will not be elaborated here.

[0041] refer to Figure 1 , Figure 2The limiting frame 2 is fixedly connected to the vibration table assembly 1 to form a mounting groove 3 for mounting the grinding jar 7. For ease of explanation, the depth direction of the mounting groove 3 is defined as the first direction X. In the embodiments described in this application, the specific external dimensions of the limiting frame 2 depend on the actual external dimensions of the grinding jar 7. For example, when the external dimensions of the grinding jar 7 are close to a cube, the shape of the limiting frame 2 can be a rectangular frame. That is, the limiting frame 2 is composed of two parallel and equal short frame sides and two parallel and equal long frame sides. A clearance groove can be provided on the limiting frame 2 to avoid protruding screws and other structures on the surface of the grinding jar 7. The limiting frame 2 can be fixedly connected to the plate structure of the vibration table assembly 1 by means of fastener connection, welding, bonding, etc., to form the mounting groove 3. At this time, the frame sides of the limiting frame 2 constitute the groove wall of the mounting groove 3, and the plate structure of the vibration table assembly 1 constitutes the groove bottom of the mounting groove 3. When the grinding jar 7 is placed in the mounting groove 3, several sides of the grinding jar 7 contact the vibration table assembly 1 and the limiting frame 2 respectively, thereby limiting the grinding jar 7 on the vibration table assembly 1. Alternatively, when the grinding jar 7 is placed in the mounting groove 3, one side of the grinding jar 7 contacts the vibration table assembly 1, and a certain assembly gap is left between the side facing the limiting frame 2 and the limiting frame 2, thereby limiting the grinding jar 7 on the vibration table assembly 1. Specifically, when the first direction X is the direction of gravity, the vibration table assembly 1 can constrain the downward degree of freedom of the grinding jar 7, and at this time, the limiting frame 2 can constrain any degree of freedom of the grinding jar 7 in the horizontal direction.

[0042] refer to Figure 1 , Figure 2 The bracket 4 is the structure used to install the clamping component 5. In this embodiment, the specific structure of the bracket 4 can be determined according to actual needs. For example, the bracket 4 can be an inverted U-shaped arch structure, that is, the bracket 4 consists of two vertical rods and one horizontal rod. Alternatively, the bracket 4 can also be an inverted L-shaped structure, that is, the bracket 4 consists of one vertical rod and one horizontal rod. The bracket 4 is connected to the vibration table assembly 1, and the two can be connected by fasteners, welding, bonding, or other methods. The bracket 4 has threaded holes, and the depth direction of the threaded holes is in the same direction as the first direction X. The diameter and depth of the threaded holes depend on the external dimensions of the clamping component 5, which will not be elaborated here.

[0043] refer to Figure 3 , Figure 4The clamping member 5 is the structure used to clamp the grinding jar 7. Specifically, the clamping member 5 has external threads to mate with the threaded hole of the bracket 4. The clamping member 5 has a clamping portion 51, which is used to contact the grinding jar 7. When the grinding jar 7 is installed in the mounting groove 3, rotating the clamping member 5 causes it to move towards the mounting groove 3 under the action of the threaded pair, so that the clamping portion 51 of the clamping member 5 presses against the surface of the grinding jar 7, thereby clamping the grinding jar 7 into the mounting groove 3. To adapt to the clamping member 5, the surface of the grinding jar 7 can be machined with a flat surface for contact with the clamping portion 51.

[0044] Compared to the original clamp installation method, this installation method effectively simplifies the installation of the grinding jar 7 on the vibratory ball mill. When installing the grinding jar 7, simply place it in the mounting slot 3 and tighten the clamping component 5. This makes it easier to install the grinding jar 7 on the vibratory ball mill, improving the efficiency and convenience of assembling and disassembling the grinding jar 7. Furthermore, compared to the original clamp installation method, the installation method of directly clamping the grinding jar 7 with the clamping component 5 makes it easier to control the clamping force. The displacement of the clamping component 5 can be used to visually determine whether the grinding jar 7 is properly clamped. This reduces the risk of over-tightening the fasteners and thus reduces the likelihood of mechanical failures such as stripped threads that hinder the assembly and disassembly of the grinding jar 7.

[0045] Since the mounting groove 3 is formed by the limiting frame 2 and the vibration table assembly 1, the limiting frame 2 can limit the milling jar 7 by its own shape. Therefore, the limiting effect of the limiting frame 2 on the milling jar 7 is not affected by the vibration of the vibrating ball mill. This ensures that the milling jar 7 is reliably installed in the mounting groove 3 formed by the vibration table assembly 1 and the limiting frame 2, preventing the milling jar 7 from shaking or falling off relative to the vibration table assembly 1 during the operation of the vibrating ball mill.

[0046] In this embodiment, preferably, the first direction X is the direction of gravity, that is, the clamping member 5 clamps the grinding jar 7 along the direction of gravity. When the grinding jar 7 on the vibratory ball mill experiences a combined motion of the direction of gravity and the horizontal direction, for example, when the grinding jar 7 moves along a vertical plane with an elliptical or near-circular trajectory, the direction of the torque on the grinding jar 7 actually extends along the horizontal direction. The limiting frame 2 can provide a horizontal limit to the grinding jar 7 to counteract the influence of the torque on the horizontal position of the grinding jar 7. The first direction X is orthogonal to the direction of the torque of the grinding jar 7, so the torque on the grinding jar 7 is less likely to affect the threaded fit between the clamping member 5 and the bracket 4, which helps to prevent the threaded fit between the clamping member 5 and the bracket 4 from loosening.

[0047] The limiting frame 2 and the vibration table assembly 1 can be detachably connected. This allows the vibratory ball mill to adapt to different sized grinding jars 7 by replacing the limiting frame 2 with one of a different specification when the size of the grinding jar 7 changes. Multiple limiting frames 2 can be provided, each with different dimensions. In this embodiment, the limiting frame 2 has a through hole, and the vibration table assembly 1 has a threaded hole corresponding to the through hole. During installation, the threaded portion of a screw or bolt is threaded into the threaded hole, and the limiting frame 2 is clamped and fixed between the head of the screw or bolt and the vibration table assembly 1. The number of through holes and threaded holes is usually multiple, and can be determined according to actual needs, so that the bracket 4 and the limiting frame 2 can be connected to the vibration table assembly 1 by at least two fasteners, thereby ensuring the connection strength between the bracket 4, the limiting frame 2, and the vibration table assembly 1. Limiting frames 2 of different shapes and sizes can be connected to the same set of threaded holes on the vibration table assembly 1, or multiple sets of threaded holes can be provided on the vibration table assembly 1, with each set of threaded holes used to install a limiting frame 2 of a different shape and size.

[0048] refer to Figure 1 , Figure 2 In some embodiments of this application, optionally, the clamping member 5 has a handle 52. The handle 52 is located at the end of the clamping member 5 away from the vibration table assembly 1, so as to tighten or loosen the clamping member 5 by hand. This provides operational convenience for tightening or loosening the clamping member 5, and because the clamping member 5 is installed by hand, it is less likely to be over-tightened due to the limitation of manual operation, thus helping to avoid stripping of the external threads on the clamping member 5. In the embodiments of this application, the clamping member 5 can specifically be a hand-tightening screw, one of the standard parts. The knurled screw head at the end of the hand-tightening screw is the handle 52 of the clamping member 5.

[0049] refer to Figure 1 , Figure 2In some embodiments of this application, the vibratory ball mill optionally includes a locking nut 6. The locking nut 6 is threadedly connected to the external thread of the clamping member 5, and one end of the locking nut 6 contacts the bracket 4. Specifically, during installation, the locking nut 6 is threadedly connected to the external thread of the clamping member 5 and is installed on the bracket 4 together with the clamping member 5. After the grinding jar 7 is installed in the mounting groove 3, the clamping member 5 is rotated so that the clamping part 51 of the clamping member 5 presses against the surface of the grinding jar 7. Then the locking nut 6 is rotated so that one side of the locking nut 6 is pressed against the bracket 4. This can prevent the clamping member 5 from loosening by utilizing the friction between the locking nut 6 and the bracket 4, and can also increase the preload between the clamping member 5 and the bracket 4. With the locking nut 6 in place, the clamping member 5 is less likely to loosen due to vibration during the operation of the vibratory ball mill. Therefore, the setting of the locking nut 6 helps to ensure the reliability of the grinding jar 7 installed on the vibration table assembly 1.

[0050] refer to Figure 1 , Figure 2 In some embodiments of this application, optionally, the anti-loosening nut 6 is disposed on the side of the bracket 4 facing away from the vibration table assembly 1. This allows the anti-loosening nut 6 to be positioned close to the handle 52 of the clamping member 5, which helps to ensure sufficient installation space for the anti-loosening nut 6. Regardless of whether the installation method is by hand tightening or tool tightening, the operation of tightening or loosening the anti-loosening nut 6 is less likely to be interfered with by the bracket 4. Therefore, disposing of the anti-loosening nut 6 on the side of the bracket 4 facing away from the vibration table assembly 1 improves the ease of operation for tightening or loosening the anti-loosening nut 6. Of course, in some embodiments of this application, the anti-loosening nut 6 can also be disposed on the side of the bracket 4 facing the vibration table assembly 1.

[0051] refer to Figure 5 In some embodiments of this application, the support 4 may optionally include a first portion 41 and a second portion 42.

[0052] Two first parts 41 extend along the first direction X and are arranged opposite each other. The first end of the first part 41 is fixedly connected to the vibration table assembly 1, and the second part 42 is connected between the second ends of the two first parts 41. In other words, the bracket 4 is an inverted U-shaped arch structure, the first part 41 is the vertical part of the inverted U-shaped arch structure, and the second part 42 is the horizontal part of the inverted U-shaped arch structure. In the embodiments described in this application, the first part 41 and the second part 42 can be integrally formed, or they can be fixedly connected to each other by welding, fastener connection, bonding, etc. Threaded holes are provided on the second part 42, and their position on the second part 42 can be determined according to actual needs. Preferably, the threaded hole is located at the center of the second part 42 and penetrates the second part 42 along the first direction X. After the grinding jar 7 is installed in the mounting groove 3, the bracket 4 spans one side of the grinding jar 7 so that the clamping member 5 can be positioned directly opposite the grinding jar 7 along the first direction X.

[0053] The aforementioned structure of the support 4 simplifies its structure and reduces processing and material costs. Furthermore, it provides the support 4 with superior structural strength, ensuring the reliability of the mill jar 7 mounted on the vibration table assembly 1.

[0054] refer to Figure 6 In some embodiments of this application, optionally, along the second direction Y, the maximum dimension of the first end of the first part 41 is d1, and the maximum dimension of the second end of the first part 41 is d2, where d1 > d2. The dimensions of d1 and d2 can be determined according to actual needs; for example, d2 can be 80mm and d1 can be 220mm. Alternatively, d2 can be 100mm and d1 can be 300mm. The second direction Y intersects with the first direction X. In this embodiment of the application, the second direction Y and the first direction X are preferably arranged orthogonally, that is, the first direction X and the second direction Y are perpendicular to each other. Alternatively, the first direction X and the second direction Y can also be arranged in a general intersecting manner, that is, the included angle between the first direction X and the second direction Y is an acute angle or an obtuse angle. d1 is greater than d2, that is, the end dimension of the first part 41 connected to the vibration table assembly 1 is larger. This can ensure that there is a larger connection area between the support 4 and the vibration table assembly 1, thereby ensuring better connection strength between the support 4 and the vibration table assembly 1. When the vibratory ball mill is working, this can reduce the probability of the connection between the support 4 and the vibration table assembly 1 failing due to vibration, thus helping to ensure the fixed installation effect of the vibratory ball mill on the grinding jar 7.

[0055] refer to Figure 1 , Figure 2In some embodiments of this application, optionally, the limiting frame 2 is disposed between the two first portions 41, and the opposite sides of the limiting frame 2 are in contact with the first portions 41 respectively. In other words, the limiting frame 2 is installed within the gap between the two first portions 41, and the limiting frame 2 is in contact with the two first portions 41. In this way, the two first portions 41 of the bracket 4 can be used to limit the position of the limiting frame 2, thereby improving the positional accuracy of the limiting frame 2. In addition, the two first portions 41 can also limit the movement of the limiting frame 2. This can improve the convenience of installation during the installation of the limiting frame 2, and also prevent the limiting frame 2 from moving when the vibratory ball mill is in motion, thereby ensuring that the ball mill jar 7 can be stably and reliably installed on the vibration table assembly 1.

[0056] In the embodiments described in this application, the bracket 4 and the vibration table assembly 1 are preferably connected in a detachable manner. Specifically, the bracket 4 can be detachably connected to the vibration table assembly 1 using fasteners such as screws and bolts. Multiple brackets 4 can be provided, and these brackets 4 have different external dimensions. When the size of the grinding jar 7 changes, the size of the limiting frame 2 also changes to accommodate the change in the size of the grinding jar 7. In this case, to ensure the compatibility between the bracket 4 and the limiting frame 2, brackets 4 with different external dimensions can be replaced accordingly. In the embodiments described in this application, specifically, the bracket 4 has a through hole, and the vibration table assembly 1 has a threaded hole corresponding to the through hole. During installation, the threaded portion of the screw or bolt is threaded into the threaded hole, and the bracket 4 is clamped and fixed between the head of the screw or bolt and the vibration table assembly 1. The number of through holes and threaded holes is usually multiple, and the number can be determined according to actual needs, so that the bracket 4 can be connected to the vibration table assembly 1 using at least two fasteners, thereby ensuring the connection strength between the bracket 4 and the vibration table assembly 1. Different sizes of brackets 4 can be connected to the same set of threaded holes on the vibration table assembly 1, or multiple sets of threaded holes can be provided on the vibration table assembly 1, with each set of threaded holes used to install a different size of bracket 4.

[0057] Optionally, in some embodiments of this application, reference is made to Figure 7The surface of the limiting frame 2 closest to the grinding jar 7 has a gap δ with the outer surface of the grinding jar 7. In other words, there is a gap δ between the limiting frame 2 and the grinding jar 7. δ is not less than 2mm and not greater than 5mm. Specifically, δ can be 2mm, 3mm, 4mm, 5mm, etc. This allows the limiting frame 2 to still install the grinding jar 7 even when there are slight changes in its external dimensions. For example, the surface of the grinding jar 7 usually has fasteners, and flat washers and spring washers are usually required between the fasteners and the body of the grinding jar. In actual production and processing, flat washers or spring washers may be omitted, resulting in the actual external dimensions of the grinding jar 7 being smaller than expected. Or, the fasteners on the grinding jar may not be tightened properly, resulting in the actual external dimensions of the grinding jar 7 being larger than expected. The gap δ between the limiting frame 2 and the grinding jar 7 allows the vibratory ball mill to adapt to the external shape errors between grinding jars of the same specification, which is beneficial to improving the convenience of grinding jar installation.

[0058] refer to Figure 1 , Figure 2 In some embodiments of this application, the lock nut 6 may optionally be a wing nut. A wing nut is a standard mechanical part with two hand-tightening tabs. This facilitates tightening or loosening the nut by hand, improving the ease of operation. Furthermore, because the wing nut is installed by hand, it is less prone to over-tightening due to the limitations of manual operation, thus helping to prevent stripping of the external threads on the clamping member 5. In other embodiments of this application, the lock nut 6 may also be a general hexagonal nut, tightened or loosened using a wrench.

[0059] In some embodiments of this application, the clamping part 51 may optionally be a flexible structure. In other words, the clamping part 51 can be made of a flexible material, such as rubber, nylon, or plastic. In the embodiments of this application, the clamping member 5 may specifically include a hand-tightening nut and a flexible block fixed to the threaded end of the hand-tightening nut. The flexible block is the clamping part 51 of the clamping member 5, which can be fixedly connected to the hand-tightening nut by means of bonding, casting, etc. When the clamping member 5 is threadedly connected to the bracket 4, the clamping part 51 is positioned facing the mounting groove 3. When the grinding jar 7 is installed in the mounting groove 3, rotating the clamping member 5 causes it to move towards the mounting groove 3 under the action of the threaded pair, thereby pressing the grinding jar 7 into the mounting groove 3. At this time, since the clamping part 51 of the clamping member 5 that contacts the grinding jar 7 is a flexible structure, the surface of the grinding jar 7 is not easily scratched or damaged due to hard contact. In addition, when the clamping part 51 is made of a material such as rubber, it can usually be made to have a relatively large surface friction coefficient. This increases the friction between the clamping element 5 and the grinding jar 7, thereby improving the fixing effect of the clamping element 5 on the grinding jar 7.

[0060] Of course, in addition to flexible structures, in some embodiments of this application, the clamping part 51 may also utilize a deformable elastic structure such as a compression spring.

[0061] Secondly, embodiments of this application provide a plasma ball mill, which includes a plasma power source and any of the vibratory ball mills described in the first aspect. In other words, the plasma ball mill is a new generation product iteratively developed based on the vibratory ball mill.

[0062] Specifically, the plasma ball mill includes a plasma power supply. The grinding jar 7 of the plasma ball mill includes a jar body 71 and an electrode 72. The jar body 71 is the structure for accommodating the grinding balls and the powder to be processed. The electrode 72 is mounted on the jar body 71, and at least a portion of the electrode 72 extends into the interior of the jar body 71. The electrode 72 is electrically connected to the plasma power supply. The jar body 71 is filled with a protective gas, typically a stable gas such as nitrogen or helium. When a high voltage is applied to the electrode 72 and the jar body 71, plasma is generated within the jar body 71. Plasma is an ionized gas containing high-energy electrons, ions, active free radicals, and ultraviolet radiation, exhibiting high chemical activity and energy. When plasma bombards the surface of the powder to be processed, it can remove oxides or contaminants from the particle surface, exposing fresh active sites. Simultaneously, plasma can also induce lattice defects such as vacancies and dislocations in the powder to be processed, thereby lowering the energy threshold for mechanical processing such as grinding. The material processing efficiency of plasma ball mills can be significantly improved through the synergistic effect of plasma bombardment and grinding. Simultaneously, plasma ball mills can also achieve grain refinement and specific functional modification.

[0063] Specifically, in this embodiment, the electrode 72 can be a rod-shaped structure, with one end extending into the can 71 and the other end protruding outside the can 71 for connection to an external power source. The can 71 is evacuated and then filled with a protective gas. To prevent short circuits between the electrode 72 and the can 71, and to increase the creepage distance between the can 71 and the electrode 72, an insulating structure can be provided on the outside of the electrode 72. The insulating structure can be an insulating layer coated on the surface of the electrode 72, such as a Teflon layer, or an insulating shell, such as a ceramic shell, fitted over the electrode 72.

[0064] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit this application.

[0065] The terms "first" and "second" in the specification and claims of this application may explicitly or implicitly include one or at least two of the features. In the description of this utility model, unless otherwise stated, "at least two" means two or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0066] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "left", "right", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and 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. Therefore, they should not be construed as limitations on this utility model.

[0067] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0068] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or at least two embodiments or examples.

[0069] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A vibratory ball mill, characterized in that, include: Vibration table assembly (1); A limiting frame (2) is connected to the vibration table assembly (1). The limiting frame (2) and the vibration table assembly (1) form an installation groove (3). The installation groove (3) is used to install a ball mill jar (7). The depth direction of the installation groove (3) is the first direction (X). A bracket (4) is connected to the vibration table assembly (1). The bracket (4) has a threaded hole, the depth direction of which is in the same direction as the first direction (X). The clamping member (5) has an external thread and is threadedly connected to the bracket (4). The clamping member (5) has a clamping part (51) for contacting the ball mill jar (7).

2. The vibratory ball mill according to claim 1, characterized in that, The clamping member (5) has a handle (52) located at one end of the clamping member (5) away from the vibration table assembly (1).

3. The vibratory ball mill according to claim 1, characterized in that, The vibratory ball mill also includes a locking nut (6), which is threaded to the external thread of the clamping member (5), and one end of the locking nut (6) is in contact with the bracket (4).

4. The vibratory ball mill according to claim 3, characterized in that, The anti-loosening nut (6) is located on the side of the bracket (4) facing away from the vibration table assembly (1).

5. The vibratory ball mill according to any one of claims 1-4, characterized in that, The support (4) includes a first part (41) and a second part (42); The first part (41) extends along the first direction (X), and there are two first parts (41) arranged at intervals relative to each other; the first end of the first part (41) is fixedly connected to the vibration table assembly (1), and the second part (42) is connected between the second ends of the two first parts (41), and the threaded hole is provided in the second part (42).

6. The vibratory ball mill according to claim 5, characterized in that, Along the second direction (Y), the maximum dimension of the first end of the first part (41) is d1, the maximum dimension of the second end of the first part (41) is d2, d1>d2, and the second direction (Y) intersects the first direction (X).

7. The vibratory ball mill according to claim 5, characterized in that, The limiting frame (2) is disposed between the two first parts (41), and the opposite sides of the limiting frame (2) are in contact with the first parts (41) respectively.

8. The vibratory ball mill according to any one of claims 1-4, characterized in that, The gap between the surface of the limiting frame (2) closest to the grinding jar (7) and the outer surface of the grinding jar (7) is δ, 2mm≤δ≤5mm.

9. The vibratory ball mill according to claim 3, characterized in that, The anti-loosening nut (6) is a wing nut; And / or, the clamping part (51) is a flexible structure.

10. A plasma ball mill, characterized in that, The plasma ball mill includes a plasma power supply and a vibratory ball mill as described in any one of claims 1-9, and the ball mill jar (7) includes a jar body (71) and an electrode (72); The tank (71) is connected to the electrode (72), at least a portion of which extends into the interior of the tank (71); the electrode (72) is electrically connected to the plasma power source.

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