A vibration ball mill

Abstract

The application relates to the technical field of vibration ball mills, in particular to a vibration ball mill. The vibration ball mill comprises a base, a vibration table assembly, a first compression spring assembly, a guide rod and a second compression spring assembly. The base is arranged at intervals with the vibration table assembly. The first end of the first compression spring assembly is in abutment with one of the base and the vibration table assembly, and the second end of the first compression spring assembly is connected with the other. The first end of the guide rod is connected with one of the vibration table assembly and the base in abutment with the first end of the first compression spring assembly, and the second end of the guide rod penetrates into the first compression spring assembly. The first end of the second compression spring assembly is connected with the first end of the first compression spring assembly, and the second end of the second compression spring is connected with the second end of the guide rod. When the vibration table assembly moves away, the first compression spring assembly moves relatively with the vibration table assembly or the base, the second compression spring assembly is compressed, the first compression spring assembly is reset as soon as possible and the separation trend is slowed down, so that the collision and noise are reduced.

Description

Technical Field

[0001] This application relates to the field of vibratory ball mill technology, and more particularly to a vibratory 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. Existing vibratory ball mills typically consist of a vibrating table and a base, connected by a compression spring. The vibrating table vibrates under the drive of a motor or other drive components, which in turn causes the grinding jar mounted on the vibrating table to vibrate accordingly.

[0003] If the two ends of the compression spring are fixed to the vibration table and the base respectively, the spring will be stretched due to the movement of the vibration table during vibration. This will seriously affect the life of the compression spring and easily lead to premature failure. Using a movable connection at one end of the compression spring can prevent the spring from being stretched during the movement of the vibration table, but the movable end of the spring will constantly collide with the vibration table or base during vibration, which can easily affect the smoothness of the vibratory ball mill operation and cause greater noise. Utility Model Content

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

[0005] The vibratory ball mill provided in this application specifically includes:

[0006] Base;

[0007] A vibration table assembly, wherein the base and the vibration table assembly are spaced apart along a first direction, and the vibration table assembly is used to mount a ball mill jar and generate vibration;

[0008] A first compression spring assembly, along the first direction, has a first end and a second end. The first end of the first compression spring assembly abuts against one of the base and the vibration table assembly, and the second end of the first compression spring assembly is connected to the other of the base and the vibration table assembly. The deformation speed of the first compression spring assembly is v1, and the movement speed of the vibration table assembly is v2. When the vibration table assembly moves toward the base, v1 = v2, and when the vibration table assembly begins to move away from the base, v1 < v2.

[0009] A guide rod, along the first direction, has a first end and a second end; the first end of the guide rod is connected to one of the vibration table assembly and the base that abuts against the first end of the first compression spring assembly; the second end of the guide rod passes through the first compression spring assembly;

[0010] The second compression spring assembly, along the first direction, has a first end and a second end; the second compression spring assembly is sleeved on the surface of the guide rod, the first end of the second compression spring assembly is connected to the first end of the first compression spring assembly, and the second end of the second compression spring assembly is connected to the second end of the guide rod.

[0011] Optionally, the first compression spring assembly includes a first mounting base, a second mounting base, and a first compression spring;

[0012] The first end of the first compression spring assembly is the first mounting base, which abuts against the vibration table assembly; the second end of the first compression spring assembly is the second mounting base, which is fixedly connected to the base; the first compression spring is connected between the first mounting base and the second mounting base.

[0013] Optionally, the first compression spring is fixedly connected to the first mounting base, and the first compression spring abuts against the second mounting base.

[0014] Optionally, the second compression spring assembly includes a first pressure pad, a second pressure pad, and a second compression spring;

[0015] The first end of the second compression spring assembly is the first pressure pad, which is connected to the first mounting base; the second end of the second compression spring assembly is the second pressure pad, which is connected to the second end of the guide rod; the second compression spring is disposed between the first pressure pad and the second pressure pad, the distance between the first pressure pad and the second pressure pad is L1, and the free height of the second compression spring is L2, wherein 0.5L2≤L1<L2.

[0016] Optionally, the first mounting base has a first insertion part and a first pressing part, the maximum outer diameter of the first insertion part is d1, the maximum outer diameter of the first pressing part is d2, and d1 < d2; the end of the first compression spring is sleeved on the surface of the first insertion part and abuts against the surface of the first pressing part along the first direction.

[0017] Optionally, the first compression spring assembly includes a bushing; the first mounting base has a connecting through hole, and the bushing is fixedly installed in the connecting through hole; the guide rod passes through the inner cavity of the bushing.

[0018] Optionally, the first compression spring assembly includes a first washer; the first washer is located between the first mounting base and the end of the first compression spring facing the first mounting base.

[0019] Optionally, the second mounting base includes a connecting portion and a mounting portion; the connecting portion is fixedly connected to the base, and the connecting portion is fixedly connected to the mounting portion;

[0020] The mounting portion has a second insertion portion and a second pressing portion; the maximum outer diameter of the second insertion portion is d3, the maximum outer diameter of the second pressing portion is d4, and d3 < d4; the end of the first compression spring is sleeved on the surface of the second insertion portion and abuts against the surface of the second pressing portion along the first direction.

[0021] Optionally, the vibratory ball mill further includes a second shim disposed between the first end of the first compression spring assembly and the vibration table assembly.

[0022] Optionally, the stiffness of the first compression spring is greater than the stiffness of the second compression spring.

[0023] In some implementations of this application, the vibratory ball mill specifically includes a base, a vibration table assembly, a first compression spring assembly, a guide rod, and a second compression spring assembly. The base and the vibration table assembly are spaced apart along a first direction. The first compression spring assembly is connected between the base and the vibration table assembly. One of the base or the vibration table assembly is connected to the first compression spring assembly via an abutment connection and is also connected to the first end of the guide rod. The second end of the guide rod passes through the first compression spring assembly. The second compression spring assembly is sleeved on the surface of the guide rod, with its first end connected to the first end of the first compression spring assembly, and its second end connected to the second end of the guide rod.

[0024] During the operation of the vibratory ball mill, when the vibratory table assembly approaches the base, the first compression spring assembly is compressed and undergoes compressive deformation, while the second compression spring assembly is not subjected to force. When the vibratory table assembly moves away from the base, the first compression spring assembly moves relative to the vibratory table assembly or the base it is in contact with. At this time, the distance between the second end of the guide rod and the first end of the first compression spring assembly decreases, and the second compression spring assembly is compressed and undergoes compressive deformation. The second compression spring assembly can provide force to prompt the first compression spring assembly to return to its original position as quickly as possible. Simultaneously, the second compression spring assembly can also provide damping to reduce the tendency for the first compression spring assembly to separate from the vibratory table assembly or the base. This allows the retraction action of the first compression spring assembly to be more consistent with the action of the vibratory table assembly, thereby reducing the collision between the first compression spring assembly and the vibratory table assembly or the base, making the operation of the vibratory ball mill smoother, and reducing the collision noise between the first compression spring assembly and the vibratory table assembly or the base.

[0025] 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

[0026] 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:

[0027] Figure 1 This is an isometric drawing of the vibratory ball mill described in this application;

[0028] Figure 2 yes Figure 1 The front view;

[0029] Figure 3 yes Figure 1 A schematic diagram of the structure of the first compression spring assembly, the second compression spring assembly, and the guide rod;

[0030] Figure 4 yes Figure 3 Sectional view along AA;

[0031] Reference numerals: 1. Base; 2. Vibration table assembly; 21. Third gasket; 3. First compression spring assembly; 31. First mounting base; 311. First insertion part; 312. First pressing part; 313. Connecting through hole; 32. Second mounting base; 321. Connecting part; 3211. Columnar protrusion; 322. Mounting part; 3221. Second insertion part; 3222. Second pressing part; 33. First compression spring; 34. Bushing; 35. First gasket; 4. Guide rod; 5. Second compression spring assembly; 51. First pressure pad; 52. Second pressure pad; 53. Second compression spring; 6. Second gasket; X - First direction. Detailed Implementation

[0032] 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.

[0033] 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 grinding jar, thereby achieving the crushing and mixing of materials. The grinding 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 grinding jar are designed according to the characteristics of the materials being processed, and can be cylindrical, square, or other special shapes. The grinding jar is usually mounted on the vibrating table assembly of the vibratory ball mill. The vibrating table assembly has an excitation device, which vibrates under the drive of motors, electric cylinders, pneumatic cylinders, hydraulic cylinders, etc., thereby causing the grinding jar to vibrate. To ensure that the vibrating table assembly can move freely during vibration, it is usually mounted on a base using compression springs, i.e., the compression springs support the base and the vibrating table assembly.

[0034] Typically, the two ends of the compression spring are fixedly connected to the vibrating table assembly and the base by welding, bonding, or other methods. When the vibrating table assembly is close to the base, the compression spring is compressed and undergoes compression deformation. When the vibrating table assembly moves away from the base, the compression spring extends back to its original position. However, if the distance between the vibrating table assembly and the base exceeds the free height of the compression spring, the spring will be stretched under the action of the vibrating table assembly, which will affect its service life. The free height of the compression spring is the maximum length along its axis without deformation. During the operation of the vibrating ball mill, the compression spring needs to undergo repeated compression and stretching deformations, making it prone to failure, which in turn affects the service life and operating cost of the vibrating ball mill.

[0035] Using a movable connection at one end of the compression spring can prevent it from being stretched during the movement of the vibrating table. In other words, when the vibrating table assembly moves upward, the compression spring can move relative to the assembly, or to the base, to prevent it from being stretched by the assembly. However, the upward speed of the vibrating table assembly is usually greater than the return speed of the compression spring. This means that the spring will only return to its original position some time after the assembly has moved upward. This can cause collisions between the spring and the base, or between the spring and the vibrating table assembly, which can easily affect the smoothness of the vibrating ball mill's operation and also generate significant noise.

[0036] To address the aforementioned problems, this application provides a vibratory ball mill.

[0037] refer to Figure 1 The vibratory ball mill provided in this application embodiment specifically includes a base 1, a vibration table assembly 2, a first compression spring assembly 3, a guide rod 4, and a second compression spring assembly 5.

[0038] refer to Figure 1The base 1 is the component used to place on the external bearing surface and provide a mounting base for other parts of the vibratory ball mill. Specifically, the base 1 can be a plate structure, a box structure, or a frame structure, etc. The specific structure, shape, and dimensions of the base 1 can be determined according to actual needs, and will not be elaborated here.

[0039] refer to Figure 1 The vibration table assembly 2 is the mounting structure used to install the grinding jar and the excitation device. In this embodiment, the vibration table assembly 2 specifically adopts a plate structure. The side of the vibration table assembly 2 facing away from the ground is used to install the grinding jar, and the side facing the ground is used to install the excitation device. The excitation device is the component that provides vibration to the grinding jar and the vibration table assembly 2. 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 vibration table assembly 2 for transmission, so that the vibration table assembly 2 is driven to vibrate by the movement of the power output end. Alternatively, the excitation device can be a pendulum rotatably mounted on the vibration table assembly 2. The pendulum is driven to rotate by a motor, air pump motor, hydraulic motor, etc., so that the vibration table assembly 2 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.

[0040] refer to Figure 1 The base 1 and the vibration table assembly 2 are spaced apart along a first direction X, and a first compression spring assembly 3 is connected between the base 1 and the vibration table assembly 2. Specifically, along the first direction X, the first compression spring assembly 3 has a first end and a second end. The first end of the first compression spring assembly 3 abuts against one of the vibration table assembly 2, and the second end of the first compression spring assembly 3 is connected to the other of the base 1 and the vibration table assembly 2. In this embodiment, the first direction X is preferably in the same direction as the direction of gravity, and the base 1 is located below the vibration table assembly 2.

[0041] The deformation speed of the first compression spring assembly 3 is v1, and the movement speed of the vibration table assembly 2 is v2, where v1 ≤ v2. Specifically, during the movement of the vibration table assembly toward the base, or in other words, during the movement of the vibration table assembly from the highest point to the lowest point, the first compression spring assembly 3 is in a state of forced movement. Therefore, the deformation speed v1 of the first compression spring assembly 3 is equal to the movement speed v2 of the vibration table assembly 2, i.e., v1 = v2. When the vibration table assembly 2 begins to move away from the base 1, or in other words, during the movement of the vibration table assembly from the lowest point to the highest point, the first compression spring assembly 3 recovers its original position due to its own material. Therefore, the deformation speed v1 of the first compression spring assembly 3 is less than the movement speed v2 of the vibration table assembly 2, i.e., v1 < v2. The specific values ​​of v1 and v2 can be determined according to actual settings, for example, v1 is 0.3 m / s and v2 is 0.5 m / s; or v1 is 0.5 m / s and v2 is 0.8 m / s. At this time, the first compression spring assembly 3 is not affected by the movement of the vibration table assembly 2, and the first compression spring assembly 3 is in a state of free movement. Since the deformation speed v1 of the first compression spring assembly 3 is less than the movement speed v2 of the vibration table assembly 2 at this time, when the vibration table assembly 2 moves to the lowest point and begins to move in the opposite direction, the vibration table assembly 2 and the first compression spring assembly 3 will tend to separate relative to each other.

[0042] refer to Figure 2 The guide rod 4 is a rod extending along the first direction X. Preferably, the cross-sectional shape of the guide rod 4 is circular. Along the first direction X, the guide rod 4 has a first end and a second end. The first end of the first compression spring assembly 3 in the vibration table assembly 2 and the base 1 is connected to the first end of the guide rod 4, while the second end of the guide rod 4 passes through the first compression spring assembly 3.

[0043] refer to Figure 3 and Figure 4 Specifically, when the first end of the first compression spring assembly 3 abuts against the vibration table assembly 2, the first end of the guide rod 4 is connected to the vibration table assembly 2, and the second end of the guide rod 4 passes through the first end of the first compression spring assembly 3. When the first end of the first compression spring assembly 3 abuts against the base 1, the first end of the guide rod 4 is connected to the base 1, and the second end of the guide rod 4 passes through the first end of the first compression spring assembly 3. The connection between the first end of the guide rod 4 and the vibration table assembly 2, or between the first end of the guide rod 4 and the base 1, can be achieved through bonding, welding, fastener connection, etc., which will not be listed in detail here.

[0044] refer to Figure 3 and Figure 4The second compression spring assembly 5 is disposed inside the first compression spring assembly 3 and sleeved on the surface of the guide rod 4. Preferably, both the guide rod 4 and the second compression spring assembly 5 are coaxially arranged with the first compression spring assembly 3. Along the first direction X, the second compression spring assembly 5 also has a first end and a second end. The first end of the second compression spring assembly 5 is connected to the first end of the first compression spring assembly 3, and the second end of the second compression spring assembly 5 is connected to the second end of the guide rod 4.

[0045] During the operation of the vibratory ball mill, the vibratory table assembly 2 can move closer to or further away from the base 1. When the vibratory table assembly 2 moves closer to the base 1 along the first direction X, the distance between the vibratory table assembly 2 and the base 1 decreases, and the first compression spring assembly 3 is compressed and undergoes compression deformation. At this time, the second compression spring assembly 5 is not under force. Specifically, when the first end of the guide rod 4 is connected to the vibratory table assembly 2, the second compression spring assembly 5 moves with the vibratory table assembly 2; when the first end of the guide rod 4 is connected to the base 1, the second compression spring assembly 5 remains stationary with the base 1. When the vibratory table assembly 2 moves along the first direction X to the position closest to the base 1, the force on the first compression spring assembly 3 reaches its maximum, and the deformation of the first compression spring assembly 3 also reaches its maximum.

[0046] When the vibration table assembly 2 begins to move away from the base 1, the first compression spring assembly 3 retracts and resets itself using its own material, resulting in a slower reset speed than the speed at which the vibration table assembly 2 moves away from the base 1. At this time, the vibration table assembly 2 or the base 1, which is abutted by the first end of the first compression spring assembly 3, will move relative to the first end of the first compression spring assembly 3. Correspondingly, the distance between the second end of the guide rod 4 and the first end of the first compression spring assembly 3 decreases. At this time, the second compression spring assembly 5 is compressed and undergoes compression deformation. The elastic force generated by the compression of the second compression spring assembly 5 can promote the reset of the first compression spring assembly 3 as quickly as possible. At the same time, the second compression spring assembly 5 can also provide damping to reduce the tendency of the first compression spring assembly 3 to separate from the vibration table assembly 2 or from the base 1. This allows the retraction action of the first compression spring assembly 3 to be more consistent with the action of the vibration table assembly 2, thereby reducing the collision between the first compression spring assembly 3 and the vibration table assembly 2 or from the base 1, making the operation of the vibratory ball mill more stable. At the same time, this can also reduce the collision noise between the first compression spring assembly 3 and the vibration table assembly 2 or between the first compression spring assembly 3 and the base 1.

[0047] It should be noted that, in the embodiments of this application, the number of guide rods 4, the first compression spring assembly 3, and the second compression spring assembly 5 can be set according to actual needs. For example, only one of each of the guide rods 4, the first compression spring assembly 3, and the second compression spring assembly 5 may be provided. Alternatively, two, three, four, or even more of each of the guide rods 4, the first compression spring assembly 3, and the second compression spring assembly 5 may be provided. Preferably, multiple guide rods 4, the first compression spring assembly 3, and the second compression spring assembly 5 may be provided and arranged in an array.

[0048] refer to Figure 3 and Figure 4 In some embodiments of this application, the first compression spring assembly 3 includes a first mounting base 31, a second mounting base 32, and a first compression spring 33. The first mounting base 31 is the first end of the first compression spring assembly 3. The first mounting base 31 abuts against the vibration table assembly 2, and one end of the first compression spring 33 is connected to the first mounting base 31. The second mounting base 32 is the second end of the first compression spring assembly 3. The second mounting base 32 is fixedly connected to the base 1, and the other end of the first compression spring 33 is connected to the second mounting base 32.

[0049] As the vibration table assembly 2 approaches the base 1 along the first direction X, the distance between the vibration table assembly 2 and the base 1 decreases. At this time, the distance between the first mounting base 31 and the second mounting base 32 also decreases accordingly, and the first compression spring 33 is compressed and undergoes compression deformation. At this time, the second compression spring assembly 5 is not under force and moves with the vibration table assembly 2. When the vibration table assembly 2 moves along the first direction X to the position closest to the base 1, the force on the first compression spring 33 reaches its maximum, and the deformation of the first compression spring 33 also reaches its maximum.

[0050] As the vibration table assembly 2 begins to move away from the base 1, relative movement occurs between the first mounting base 31 and the vibration table assembly 2 due to the slow retraction of the first compression spring 33. Correspondingly, the distance between the second end of the guide rod 4 and the first mounting base 31 decreases synchronously. At this time, the second compression spring assembly 5 is compressed and undergoes compression deformation. The elastic force generated by the compression of the second compression spring assembly 5 can prompt the first compression spring 33 to retract and return to its original position as quickly as possible. At the same time, the second compression spring assembly 5 can also provide damping to reduce the tendency of the first mounting base 31 to separate from the vibration table assembly 2. This allows the retraction action of the first compression spring 33 to be more consistent with the action of the vibration table assembly 2, thereby reducing the collision between the first mounting base 31 and the vibration table assembly 2 and making the operation of the vibratory ball mill smoother. At the same time, this can also reduce the collision noise between the first compression spring assembly 33 and the vibration table assembly 2.

[0051] Of course, in other embodiments, the first mounting base 31 can also abut against the base 1, and one end of the first compression spring 33 is connected to the first mounting base 31. The second mounting base 32 is fixedly connected to the vibration table assembly 2, and the other end of the first compression spring 33 is connected to the second mounting base 32. When the vibration table assembly 2 approaches the base 1 along the first direction X, the distance between the vibration table assembly 2 and the base 1 decreases. At this time, the distance between the first mounting base 31 and the second mounting base 32 also decreases accordingly, and the first compression spring 33 is compressed and undergoes compression deformation. At this time, the second compression spring assembly 5 is not under force and remains stationary with the base 1. When the vibration table assembly 2 moves along the first direction X to the position closest to the base 1, the force on the first compression spring 33 reaches its maximum, and the deformation of the first compression spring 33 also reaches its maximum. When the vibration table assembly 2 begins to move away from the base 1, due to the slow retraction of the first compression spring 33, relative movement occurs between the first mounting base 31 and the base 1. Correspondingly, the distance between the second end of the guide rod 4 and the first mounting base 31 decreases synchronously. At this time, the second compression spring assembly 5 is compressed and undergoes compression deformation. The elastic force generated by the compression of the second compression spring assembly 5 can cause the first compression spring 33 to quickly extend and return to its original position. At the same time, the second compression spring assembly 5 can also provide damping to reduce the tendency of the first mounting base 31 to separate from the base 1.

[0052] In some embodiments of this application, the first compression spring 33 is fixedly connected to the first mounting base 31. Specifically, the first compression spring 33 can be fitted onto the surface of the first mounting base 31 by interference fit, or it can be fixedly connected to the first mounting base 31 by welding, bonding, or other methods. The first compression spring 33 abuts against the second mounting base 32. In this way, when the first mounting base 31 and the second mounting base 32 move away from each other, the first compression spring 33 will not be stretched by the action of the first mounting base 31, thus further ensuring the service life of the first compression spring 33. To prevent the first compression spring 33 from detaching from the second mounting base 32, some limiting structures can be provided on the second mounting base 32. For example, some screws can be added to the second mounting base 32, with a gap between the screw head and the second mounting base 32. The end of the first compression spring 33 is restricted between the second mounting base 32 and the screw head.

[0053] refer to Figure 4In some embodiments of this application, the second compression spring assembly 5 includes a first pressure pad 51, a second pressure pad 52, and a second compression spring 53. The first pressure pad 51 is the first end of the second compression spring assembly 5. The first pressure pad 51 can be connected to the first mounting base 31 by means of bonding, welding, or fastener connection; alternatively, the first pressure pad 51 can also abut against the first mounting base 31 under the action of the second compression spring 53. The second pressure pad 52 is the second end of the second compression spring assembly 5, and the second pressure pad 52 is connected to the second end of the guide rod 4 by means of bonding, welding, or fastener connection. Specifically, in the embodiments of this application, both the first pressure pad 51 and the second pressure pad 52 are annular. The guide rod 4 passes through the annular hole of the first pressure pad 51 and the inner cavity of the second compression spring 53. The second pressure pad 52 is located at the end face of the guide rod 4 and is fixedly mounted on the guide rod 4 by fasteners. The end face of the guide rod 4 is provided with a threaded hole, and the fastener passes through the annular hole of the second pressure pad 52 and is threadedly connected to the threaded hole. The second compression spring 53 is disposed between the first pressure pad 51 and the second pressure pad 52. The first pressure pad 51 and the second pressure pad 52 are preferably made of materials with good flexibility, such as nylon or rubber. This can absorb mechanical vibration and reduce noise, and also facilitate the smooth movement of the second compression spring 53, thereby improving the stability of the vibratory ball mill during operation.

[0054] The distance between the first pressure pad 51 and the second pressure pad 52 is no greater than the free height of the second pressure spring 53. The free height of the second pressure spring 53 refers to the maximum length of the second pressure spring 53 along its own axis when it is not deformed. The distance between the first pressure pad 51 and the second pressure pad 52 is no greater than the free height of the second pressure spring 53, which means that the second pressure spring 53 is always in a compressed state. When the vibration table assembly 2 moves to the position closest to the base 1 and begins to move away from the base 1, the second pressure spring 53 can provide sufficient elastic force to help the first pressure spring assembly 3 reset. Therefore, the above arrangement is beneficial to ensure the timely reset of the first pressure spring assembly 3, which is beneficial to further improve the stability of the operation of the vibratory ball mill and further reduce the noise of the vibratory ball mill during operation. Specifically, in the embodiment of this application, the distance between the first pressure pad 51 and the second pressure pad 52 is L1, the free height of the second pressure spring 53 is L2, 0.5L2≤L1<L2, that is, L1 is not less than 0.5 times L2, and L1 is less than L2. The specific values ​​of L1 and L2 can be determined according to actual needs. For example, L1 can be 50mm and L2 can be 70mm. Or, for another example, L1 can be 40mm and L2 can be 55mm.

[0055] refer to Figure 4In some embodiments of this application, the first mounting base 31 has a first insertion portion 311 and a first pressing portion 312. The maximum outer diameter of the first insertion portion 311 is d1, and the maximum outer diameter of the first pressing portion 312 is d2, where d1 < d2. The end of the first compression spring 33 is sleeved on the surface of the first insertion portion 311 and abuts against the surface of the first pressing portion 312 along the first direction X. This facilitates the installation of the first compression spring 33. When the first compression spring 33 is compressed, the first insertion portion 311 can also provide guiding support for the compression of the first compression spring 33 to prevent the first compression spring 33 from tilting or misaligning during compression. The first pressing portion 312 can fully transmit the force received by the first mounting base 31 to the end of the first compression spring 33 and provide a limit for the first compression spring 33. In the embodiments of this application, both the first insertion portion 311 and the first pressing portion 312 are columnar. The maximum outer diameter d1 of the first insertion portion 311 and the maximum outer diameter d2 of the first pressing portion 312 can be set according to actual needs. In this embodiment, the first insertion part 311 and the first compression spring 33 are in a clearance fit relationship. Therefore, the maximum outer diameter d1 of the first insertion part 311 needs to match the minimum inner diameter of the first compression spring 33. The first pressing part 312 needs to match the maximum outer diameter of the first compression spring 33, that is, the maximum outer diameter d2 of the first pressing part 312 is greater than the maximum outer diameter of the first compression spring 33. For example, d1 can be 60mm and d2 can be 80mm. Or, for example, d1 can be 65mm and d2 can be 85mm.

[0056] refer to Figure 4 In some embodiments of this application, the first compression spring assembly 3 includes a bushing 34. The first mounting base 31 has a connecting through hole 313, and the bushing 34 is fixedly installed within the connecting through hole 313 by means of bonding, interference fit, welding, etc. Simultaneously, the guide rod 4 passes through the inner cavity of the bushing 34. The bushing 34 can guide the movement of the guide rod 4, preventing the guide rod 4 from deflecting during movement. The bushing 34 can be made of materials with low coefficients of friction, such as copper or graphite, to reduce the frictional force experienced by the guide rod 4 during movement.

[0057] Specifically, in this embodiment, the first mounting base 31 is a cylindrical structure, and the connecting through hole 313 is the inner cavity of the cylindrical structure. An annular protrusion is radially arranged on the outer side of the first mounting base 31. During installation, the first compression spring 33 is interference-fitted onto the outer cylindrical surface of the first mounting base 31, and the end of the first compression spring 33 abuts against the side of the annular protrusion. The first mounting base 31 is preferably made of a flexible material such as nylon or rubber.

[0058] refer to Figure 4In some embodiments of this application, the first compression spring assembly 3 further includes a first washer 35. The first washer 35 is located between the first mounting base 31 and the end of the first compression spring 33 facing the first mounting base 31. The first washer 35 is preferably made of a flexible material such as nylon or rubber. The first washer 35 can be fixedly connected to the first mounting base 31 by bonding, welding, or fasteners, and can also be fixedly connected to the first compression spring 33 by bonding or welding. The first washer 35 can distribute the load applied to the first mounting base 31 by the first compression spring 33 and make the contact between the first compression spring 33 and the first mounting base 31 more stable. In addition, the first washer 35 can replace the first mounting base 31 in direct contact with the first compression spring 33, reducing the risk of damage to the first mounting base 31. Since the replacement cost of the first washer 35 is lower, the setting of the first washer 35 also helps to reduce the maintenance cost of the vibratory ball mill in the later stage.

[0059] refer to Figure 4 In some embodiments of this application, the second mounting base 32 includes a connecting portion 321 and a mounting portion 322. The connecting portion 321 is fixedly connected to the base 1, and the connecting portion 321 and the mounting portion 322 are also fixedly connected. Specifically, the structure of the connecting portion 321 can be configured according to actual needs, and the connecting portion 321 and the base 1 can be fixedly connected by means of bonding, welding, fastener connection, etc. The mounting portion 322 and the connecting portion 321 can be fixedly connected by means of bonding, interference fit, fastener connection, etc.

[0060] The mounting portion 322 has a second insertion portion 3221 and a second pressing portion 3222. The maximum outer diameter of the second insertion portion 3221 is d3, and the maximum outer diameter of the second pressing portion 3222 is d4, where d3 < d4. The end of the first compression spring 33 is sleeved on the surface of the second insertion portion 3221 and abuts against the surface of the second pressing portion 3222 along the first direction X. This facilitates the installation of the first compression spring 33. When the first compression spring 33 is compressed, the second insertion portion 3221 can also provide guiding support for the compression of the first compression spring 33 to prevent the first compression spring 33 from tilting or misaligning during compression. At the same time, the second pressing portion 3222 can provide support and limitation for the first compression spring 33 in the first direction X. In the embodiment of this application, both the second insertion portion 3221 and the second pressing portion 3222 are columnar. The maximum outer diameter d3 of the second insertion portion 3221 and the maximum outer diameter d4 of the second pressing portion 3222 can be set according to actual needs. In this embodiment, the second insert portion 3221 and the first compression spring 33 are in an interference fit relationship. Therefore, the maximum outer diameter d3 of the second insert portion 3221 needs to match the minimum inner diameter of the first compression spring 33. Similarly, the maximum outer diameter d4 of the second pressing portion 3222 needs to match the maximum outer diameter of the first compression spring 33; that is, the maximum outer diameter d4 of the second pressing portion 3222 is greater than the maximum outer diameter of the first compression spring 33. For example, d3 can be 60mm and d4 can be 80mm. Or, for another example, d3 can be 65mm and d4 can be 85mm. Preferably, d1 and d3 are substantially equal in size, and d2 and d4 are substantially equal in size.

[0061] Specifically, in this embodiment, the mounting part 322 is a cylindrical structure, and an annular protrusion is provided radially on the outer side of the mounting part 322. During installation, the first compression spring 33 is fitted onto the outer cylindrical surface of the mounting part 322, and the first compression spring 33 and the mounting part 322 are preferably fitted with a clearance fit; the end of the first compression spring 33 abuts against the side of the annular protrusion. The mounting part 322 is preferably made of a flexible material such as nylon or rubber. The connecting part 321 is specifically a cylindrical block, and cylindrical protrusions 3211 are provided on both the side of the connecting part 321 facing the base 1 and the side facing away from the base 1. The mounting part 322 is interference-fitted or bonded to the cylindrical protrusion 3211 on the side of the connecting part 321 facing away from the base 1, and the cylindrical protrusion 3211 on the side of the connecting part 321 facing the base 1 can be inserted into the base 1 to achieve a positioning effect.

[0062] refer to Figure 4In some embodiments of this application, the vibratory ball mill further includes a second gasket 6, which is disposed between the first end of the first compression spring assembly 3 and the vibration table assembly 2. The second gasket 6 is preferably made of a flexible material such as nylon or rubber to further buffer the collision between the first compression spring assembly 3 and the vibration table assembly 2. The second gasket 6 can also prevent direct contact between the first compression spring assembly 3 and the vibration table assembly 2, preventing damage when they collide. In embodiments of this application, the second gasket 6 can be fixed to the first mounting base 31 by means of adhesion, fastener connection, etc., or it can be fixed to the vibration table assembly 2 by means of adhesion, fastener connection, etc.

[0063] When the second pad 6 is fixed on the first mounting base 31, a third pad 21 can be installed on the side of the vibration table assembly 2 facing the second pad 6 at the position corresponding to the second pad 6. The third pad 21 is made of materials such as nylon and rubber, so as to replace the vibration table assembly 2 in contact with the second pad 6, thereby further reducing the collision and noise between the vibration table assembly 2 and the first compression spring assembly 3.

[0064] In some embodiments of this application, the stiffness of the first compression spring 33 is greater than that of the second compression spring 53. In other words, the second compression spring 53 is more prone to deformation than the first compression spring 33. This avoids the situation where the second compression spring 53 has not yet deformed when the first compression spring 33 has already begun to reset. Specifically, when the vibration table assembly 2 moves to the position closest to the base 1 and the first compression spring 33 begins to reset, if the stiffness of the second compression spring 53 is greater than that of the first compression spring 33, it is possible that the first compression spring 33 has already begun to reset, while the second compression spring 53 cannot deform due to its excessive stiffness. Making the stiffness of the first compression spring 33 greater than that of the second compression spring 53 can avoid the above situation, thereby ensuring that the second compression spring 53 can promptly assist the first compression spring 33 in resetting.

[0065] 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.

[0066] 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.

[0067] 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.

[0068] 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.

[0069] 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.

[0070] 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: Base (1); A vibration table assembly (2), wherein the base (1) and the vibration table assembly (2) are spaced apart along a first direction (X), and the vibration table assembly (2) is used to mount a ball mill jar and generate vibration; A first compression spring assembly (3) is arranged along the first direction (X). The first compression spring assembly (3) has a first end and a second end. The first end of the first compression spring assembly (3) abuts against one of the base (1) and the vibration table assembly (2). The second end of the first compression spring assembly (3) is connected to the other of the base (1) and the vibration table assembly (2). The deformation speed of the first compression spring assembly (3) is v1, and the movement speed of the vibration table assembly (2) is v2. When the vibration table assembly (2) moves toward the base (1), v1 = v2. When the vibration table assembly (2) starts to move away from the base (1), v1 < v2. The guide rod (4) has a first end and a second end along the first direction (X); the first end of the guide rod (4) is connected to one of the vibration table assembly (2) and the base (1) that abuts against the first end of the first compression spring assembly (3); the second end of the guide rod (4) passes through the first compression spring assembly (3); The second spring assembly (5) is located along the first direction (X). The second spring assembly (5) has a first end and a second end. The second spring assembly (5) is sleeved on the surface of the guide rod (4). The first end of the second spring assembly (5) is connected to the first end of the first spring assembly (3), and the second end of the second spring assembly (5) is connected to the second end of the guide rod (4).

2. The vibratory ball mill according to claim 1, characterized in that, The first compression spring assembly (3) includes a first mounting base (31), a second mounting base (32), and a first compression spring (33); The first end of the first compression spring assembly (3) is the first mounting base (31), which abuts against the vibration table assembly (2); the second end of the first compression spring assembly (3) is the second mounting base (32), which is fixedly connected to the base (1); the first compression spring (33) is connected between the first mounting base (31) and the second mounting base (32).

3. The vibratory ball mill according to claim 2, characterized in that, The first compression spring (33) is fixedly connected to the first mounting base (31), and the first compression spring (33) abuts against the second mounting base (32).

4. The vibratory ball mill according to claim 2, characterized in that, The second compression spring assembly (5) includes a first pressure pad (51), a second pressure pad (52), and a second compression spring (53); The first end of the second spring assembly (5) is the first pressure pad (51), which is connected to the first mounting base (31); the second end of the second spring assembly (5) is the second pressure pad (52), which is connected to the second end of the guide rod (4); the second spring (53) is disposed between the first pressure pad (51) and the second pressure pad (52), the distance between the first pressure pad (51) and the second pressure pad (52) is L1, and the free height of the second spring (53) is L2, wherein 0.5L2≤L1<L2.

5. The vibratory ball mill according to claim 2, characterized in that, The first mounting base (31) has a first insertion part (311) and a first pressing part (312). The maximum outer diameter of the first insertion part (311) is d1, and the maximum outer diameter of the first pressing part (312) is d2, where d1 < d2. The end of the first compression spring (33) is sleeved on the surface of the first insertion part (311) and abuts against the surface of the first pressing part (312) along the first direction (X).

6. The vibratory ball mill according to claim 2, characterized in that, The first compression spring assembly (3) includes a bushing (34); the first mounting base (31) has a connecting through hole (313), and the bushing (34) is fixedly installed in the connecting through hole (313); the guide rod (4) passes through the inner cavity of the bushing (34).

7. The vibratory ball mill according to claim 2, characterized in that, The first compression spring assembly (3) includes a first washer (35); the first washer (35) is located between the end of the first compression spring (33) facing the first mounting base (31) and the first mounting base (31).

8. The vibratory ball mill according to claim 2, characterized in that, The second mounting base (32) includes a connecting part (321) and a mounting part (322); the connecting part (321) is fixedly connected to the base (1), and the connecting part (321) is fixedly connected to the mounting part (322); The mounting part (322) has a second insertion part (3221) and a second pressing part (3222); the maximum outer diameter of the second insertion part (3221) is d3, the maximum outer diameter of the second pressing part (3222) is d4, and d3 < d4; the end of the first compression spring (33) is sleeved on the surface of the second insertion part (3221) and abuts against the surface of the second pressing part (3222) along the first direction (X).

9. The vibratory ball mill according to any one of claims 1-8, characterized in that, The vibratory ball mill also includes a second shim (6), which is disposed between the first end of the first compression spring assembly (3) and the vibration table assembly (2).

10. The vibratory ball mill according to claim 4, characterized in that, The stiffness of the first compression spring (33) is greater than that of the second compression spring (53).

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