Planetary ball-milling containing tank assembly with step tightening structure

Abstract

The utility model provides a planetary ball-milling containing tank assembly with a step close-fitting structure, which comprises a bearing switching component, a matching positioning component, a material containing component, a step limiting component and a close-fitting locking component, according to the matching and positioning component of the ball-milling containing tank assembly, the matching core pad made of soft silicon rubber and the positioning ring made of hard silicon rubber are adopted, accurate axial and radial positioning of the material containing component is achieved through the design of the embedding notch and the embedding ring groove, it is guaranteed that the material containing component cannot deviate due to shaking in the ball-milling process, and the service life of the material containing component is prolonged. According to the fastening and locking component, reliable fastening and locking of the material containing component are achieved through combination of a fastening end cover, a fastening cushion block, a locking screw rod and a locking cross beam, the locking cross beam can be adjusted according to the heights of containing tank bodies of different models through the design of a step through opening, the universality and flexibility of the component are improved, and the material containing component is convenient to use. And the device can adapt to various material accommodating components with different models, so that the requirements of ball milling experiments and production with different specifications and requirements are met.

Description

Technical Field

[0001] The utility model relates to ball milling equipment, in particular to a planetary ball milling container assembly with a stepped fastening structure. Background Art

[0002] A planetary ball mill is a crushing equipment that realizes high-speed ball milling and strong impact effect of materials through the principle of planetary gear transmission. During the operation of the planetary ball mill, a planetary ball milling tank disclosed in, for example, patent document CN114471846B is often used. Its tank body has a bottom wall and an outer wall extending upward from the bottom wall. The bottom wall and the outer wall enclose the tank body. The bottom wall has a through central positioning hole. The positioning groove has an inner wall extending upward from the periphery of the central positioning hole to enclose the positioning groove. The inner wall is surrounded by the outer wall. The positioning groove is concentrically arranged with the tank body. The bottom wall, the outer wall and the inner wall form an accommodation space for accommodating the medium to be ball milled and the ball milling spheres. The positioning pin is detachably connected to the positioning groove. The ball milling cover is provided with a central through hole concentric with the positioning groove. The ball milling cover is sleeved on the positioning pin through the central through hole and the ball milling cover and the tank body are fastened by fastening bolts. However, this kind of ball milling tank uses a nut structure to lock the ball milling cover to make it tightly engaged with the tank body. When disassembling and assembling, the operation space is small and specific tools are required, making the disassembly and assembly process cumbersome and having an adverse impact on the smooth progress of the production process. Therefore, it is necessary to optimize the structure of this kind of ball milling container to overcome the above defects. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a planetary ball milling container assembly with a stepped fastening structure.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A planetary ball milling container assembly with a stepped fastening structure, which comprises:

[0006] A bearing transfer member, which is installed in the ball mill through a rotating structure and is connected to the driving motor through a transmission structure. The driving motor drives the bearing transfer member to rotate in the ball mill;

[0007] A mating positioning member, which is installed on the bearing transfer member and can rotate together with the bearing transfer member. It has a positioning space inside;

[0008] A material accommodation member, which has an accommodation space inside for placing the material to be ball milled. Its shape is adapted to that of the mating positioning member and can rotate together with the mating positioning member and the bearing transfer member to perform ball milling treatment on the material;

[0009] A stepped limiting member, which is installed on the bearing transfer member and corresponds to the position of the material accommodation member and can rotate together with the bearing transfer member;

[0010] A fastening and locking member, which is installed in the step limiting member through a movable connection structure, can adjust its installation position in the step limiting member, is adapted to the material containing member, and can fasten and lock the material containing member.

[0011] Specifically, the load-bearing transfer member includes:

[0012] A load-bearing seat plate, which is circular. A fitting notch is provided in the middle of its top surface. The fitting notch is circular and recessed into the load-bearing seat plate. A fitting ring groove is provided at the edge of its top surface. The fitting ring groove is arranged around the outside of the fitting notch, extends along the circumferential direction of the load-bearing seat plate, and is recessed into the load-bearing seat plate.

[0013] A transfer end head, which is formed on the bottom surface of the load-bearing seat plate and protrudes downward from the load-bearing seat plate. The transfer end head is installed in the ball mill through a bearing and is connected to the driving motor through a transmission structure.

[0014] The mating and positioning member includes:

[0015] A mating core pad, which is made of soft silicone rubber, is embedded in the fitting notch, protrudes upward from the load-bearing seat plate, and its height is greater than the height of the load-bearing seat plate.

[0016] A positioning ring, which is made of hard silicone rubber, is embedded in the fitting ring groove, protrudes upward from the load-bearing seat plate, and its height is greater than the height of the mating core pad. A mating notch is formed by enclosing between the inner wall of the positioning ring, the top surface of the load-bearing seat plate, and the outer wall of the mating core pad.

[0017] The material containing member includes:

[0018] A containing tank body, which is of a cylindrical structure, has an opening at the top and is closed at the bottom. The bottom edge protrudes downward to form a mating convex ring. The mating convex ring is embedded in the mating notch, so that the outer wall of the mating core pad abuts against the inner wall of the mating convex ring, and the inner wall of the positioning ring abuts against the outer wall of the mating convex ring. The mating core pad axially positions the containing tank body, and the positioning ring and the mating core pad jointly radially position the containing tank body.

[0019] A containing cover, which is of a disc-shaped structure. The edge of it abuts against the top of the containing tank body. The bottom of it has a covering convex platform, which protrudes downward from the containing cover and extends into the containing tank body. The containing cover covers and protects the containing tank body.

[0020] The step limiting member includes:

[0021] Limit side plates, there are a pair of such limit side plates, each limit side plate is located on both sides of the bearing seat plate respectively. Assembly notches are respectively opened on both sides of the bearing seat plate. The bottom parts of the limit side plates are respectively placed in the assembly notches and fixed by connecting bolts. Their tops extend axially above the bearing seat plate and shield both sides of the accommodating tank body. Their height is greater than the height of the accommodating cover. A set of stepped through holes are respectively opened on the upper sections of the limit side plates, and the stepped through holes are arranged in sequence along the height direction of the limit side plates.

[0022] The tight locking member includes:

[0023] A tight end cover, which is made of a stainless steel plate and is located above the accommodating cover and corresponds to the middle position of the accommodating cover;

[0024] A tight cushion block, which is made of hard silicone rubber and is embedded at the bottom of the tight end cover and abuts against the top of the accommodating cover;

[0025] A locking screw rod, the bottom of which is joined to the top of the tight end cover through a rotating structure and can rotate on the top of the tight end cover. Its top extends axially above the accommodating cover;

[0026] A locking cross beam, which is located between the limit side plates and above the tight end cover. The middle part of it is screwed onto the locking screw rod through a threaded hole. Its two ends respectively extend into the stepped through holes of the limit side plates. When the locking screw rod rotates, it drives the tight end cover and the tight cushion block to lock or release the accommodating cover. According to the different heights of the accommodating tank body, the locking cross beam can be extended into different stepped through holes to adapt to accommodating tank bodies of different models.

[0027] In an embodiment of the present utility model, a set of reinforcing ribs are respectively provided on the inner walls of the limit side plates. The reinforcing ribs respectively extend along the height direction of the limit side plates and are arranged in sequence along the width direction of the limit side plates, and the limit side plates are structurally strengthened by the reinforcing ribs.

[0028] In an embodiment of the present utility model, an operating handle is installed on the top of the locking screw rod. The operating handle extends horizontally and penetrates both sides of the locking screw rod, and the locking screw rod can be driven to rotate by the operating handle.

[0029] The advantages of the present utility model are:

[0030] The mating and positioning component of the ball milling container assembly uses a mating core pad made of soft silicone rubber and a positioning ring made of hard silicone rubber. Through the design of the fitting notch and the fitting ring groove, precise axial and radial positioning of the material containing component is achieved, ensuring that it will not shift due to shaking during the ball milling process. The tightening and locking component realizes reliable tightening and locking of the material containing component through the combination of a tightening end cover, a tightening spacer, a locking screw, and a locking crossbeam. The design of the stepped through-hole enables the locking crossbeam to be adjusted according to the height of the containing tank of different models, increasing the versatility and flexibility of the assembly, and being able to adapt to a variety of different models of material containing components, so as to meet the ball milling experiment and production requirements of different specifications and needs. Brief Description of the Drawings

[0031] Figure 1 is a schematic structural diagram of the planetary ball milling container assembly with a stepped tightening structure proposed by the present utility model;

[0032] Figure 2 is a schematic cross-sectional structure diagram of the container assembly;

[0033] Figure 3 is Figure 2 an enlarged close-up view of part A in

[0034] Figure 4 is Figure 2 an enlarged close-up view of part B in Detailed Description of the Preferred Embodiment

[0035] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. The components of the embodiments of the present utility model usually described and illustrated in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model claimed, but merely represents selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0036] As Figures 1 to 4As shown in the figure, the planetary ball mill container assembly with a stepped fastening structure proposed by the present utility model includes a bearing transfer member, a mating positioning member, a material containing member, a stepped limiting member, and a fastening locking member. The bearing transfer member is installed in the ball mill through a rotating structure and is connected to the driving motor through a transmission structure. The driving motor drives the bearing transfer member to rotate in the ball mill. The mating positioning member is installed on the bearing transfer member and can rotate with the bearing transfer member. It has a positioning space inside. The material containing member has a containing space for placing the material to be ball milled inside. Its shape is adapted to that of the mating positioning member and can rotate with the mating positioning member and the bearing transfer member to perform ball milling on the material. The stepped limiting member is installed on the bearing transfer member and corresponds to the position of the material containing member and can rotate with the bearing transfer member. The fastening locking member is installed in the stepped limiting member through a movable connection structure and can adjust its installation position in the stepped limiting member. It is adapted to the material containing member and can tightly lock the material containing member.

[0037] In this embodiment, the bearing transfer member includes a bearing seat plate 110 and a transfer end head 120. The bearing seat plate is circular. A fitting notch is formed in the middle of its top surface. The fitting notch is circular and recessed into the bearing seat plate. A fitting ring groove is formed at the edge of its top surface. The fitting ring groove is arranged around the outside of the fitting notch. It extends along the circumferential direction of the bearing seat plate and is recessed into the bearing seat plate. The transfer end head is formed at the bottom surface of the bearing seat plate and protrudes downward from the bearing seat plate. The transfer end head is installed in the ball mill through a bearing and is connected to the driving motor through a transmission structure.

[0038] The mating positioning member includes a mating core pad 210 and a positioning ring 220. The mating core pad is made of soft silicone rubber. It is embedded in the fitting notch and protrudes upward from the bearing seat plate. Its height is greater than that of the bearing seat plate. The positioning ring is made of hard silicone rubber. It is embedded in the fitting ring groove and protrudes upward from the bearing seat plate. Its height is greater than that of the mating core pad. A mating notch is formed by enclosing between the inner wall of the positioning ring, the top surface of the bearing seat plate, and the outer wall of the mating core pad.

[0039] The material containing member includes a containing tank body 310 and a containing cover 320. The containing tank body is of a cylindrical structure. Its top is open and its bottom is closed. The bottom edge protrudes downward to form a mating convex ring 311. The mating convex ring is embedded in the mating notch, so that the outer wall of the mating core pad abuts against the inner wall of the mating convex ring, and the inner wall of the positioning ring abuts against the outer wall of the mating convex ring. The mating core pad axially positions the containing tank body, and the positioning ring and the mating core pad jointly radially position the containing tank body. The containing cover is of a disc-shaped structure. Its edge abuts against the top of the containing tank body. Its bottom has a covering convex platform 321. The covering convex platform protrudes downward from the containing cover and extends into the containing tank body. The containing cover covers and protects the containing tank body.

[0040] The step limit member includes limit side plates 400. There are a pair of limit side plates, and each limit side plate is located on both sides of the bearing seat plate. Assembly notches are respectively formed on both sides of the bearing seat plate. The bottom parts of the limit side plates are respectively placed in the assembly notches and fixed by connecting bolts. The top parts of the limit side plates extend upward along the axis above the bearing seat plate and cover both sides of the accommodating tank body. Their height is greater than the height of the accommodating cover. A group of step through holes 410 are respectively formed in the upper sections of the limit side plates, and the step through holes are sequentially arranged along the height direction of the limit side plates.

[0041] The tight-locking member includes a tight end cover 510, a tight pad 520, a locking screw 530 and a locking cross beam 540. The tight end cover is made of a stainless steel plate member. It is located above the accommodating cover and corresponds to the middle position of the accommodating cover. The tight pad is made of hard silicone rubber. It is embedded at the bottom of the tight end cover and abuts against the top of the accommodating cover. The bottom of the locking screw is joined to the top of the tight end cover through a rotating structure and can rotate on the top of the tight end cover. Its top extends upward along the axis above the accommodating cover. The locking cross beam is located between the limit side plates and above the tight end cover. The middle part of the locking cross beam is screwed onto the locking screw through a threaded hole, and its two ends respectively extend into the step through holes of the limit side plates. When the locking screw rotates, it drives the tight end cover and the tight pad to lock or unlock the accommodating cover.

[0042] In this embodiment, a group of reinforcing ribs 420 are respectively arranged on the inner walls of the limit side plates. The reinforcing ribs respectively extend along the height direction of the limit side plates and are sequentially arranged along the width direction of the limit side plates, and the limit side plates are structurally strengthened by the reinforcing ribs.

[0043] In this embodiment, an operating handle 531 is installed at the top of the locking screw. The operating handle extends horizontally and penetrates both sides of the locking screw, and the locking screw can be driven to rotate through the operating handle.

[0044] In the description of the present utility model, it should be noted that when terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", "left", "right", etc. appear, they should be understood as based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present utility model is customarily placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation to the present utility model. In addition, when terms such as "first", "second", etc. appear, they are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, terms such as "installation", "setting", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

Claims

1. A planetary ball mill container assembly with a stepped tight structure, characterized in that: include: A load-bearing transfer component, which is installed in the ball mill through a rotating structure and connected to a driving motor through a transmission structure, and the driving motor drives the load-bearing transfer component to rotate in the ball mill; A matching positioning component, which is installed on the load-bearing transition component and can rotate together with the load-bearing transition component, and has a positioning space inside; A material containing component, wherein the material containing component has a containing space for placing the material to be ball-milled, and the material containing component is adapted to the shape of the matching positioning component, and can rotate together with the matching positioning component and the load-bearing transfer component to ball-mill the material; A step limiting component, which is installed on the load-bearing transfer component and corresponds to the position of the material containing component, and can rotate together with the load-bearing transfer component; The tight locking component is installed in the step limiting component through a movable connection structure, and the installation position can be adjusted in the step limiting component. The tight locking component is adapted to the material containing component and can tightly lock the material containing component.

2. The planetary ball mill container assembly with a stepped tight structure according to claim 1, characterized in that: The load-bearing transfer component comprises: The bearing seat plate is circular, and a fitting recess is provided in the middle of the top surface of the bearing seat plate. The fitting recess is circular and recessed toward the inside of the bearing seat plate. A fitting annular groove is provided at the edge of the top surface of the bearing seat plate. The fitting annular groove is arranged around the outside of the fitting recess, extends along the circumference of the bearing seat plate, and recessed toward the inside of the bearing seat plate. The adapter end is formed on the bottom surface of the bearing seat plate and protrudes below the bearing seat plate. The adapter end is installed in the ball mill through a bearing and is connected to the drive motor through a transmission structure.

3. The planetary ball mill container assembly with a stepped tight structure according to claim 2, characterized in that: The matching and positioning components include: The matching core pad is made of soft silicone rubber, is embedded in the fitting recess, and protrudes above the bearing seat plate, and its height is greater than that of the bearing seat plate; The positioning ring is made of hard silicone rubber, which is embedded in the engaging ring groove and protrudes above the bearing seat plate. Its height is greater than the height of the matching core pad, and a matching recess is formed between the inner wall of the positioning ring, the top surface of the bearing seat plate and the outer wall of the matching core pad.

4. The planetary ball mill container assembly with a stepped tight structure according to claim 3, characterized in that: The material containing component comprises: The container body is a cylindrical structure with an open top and a closed bottom. The bottom edge of the container body protrudes downward to form a matching convex ring. The matching convex ring is embedded in the matching recess, so that the outer wall of the matching core pad is in contact with the inner wall of the matching convex ring, and the inner wall of the positioning ring is in contact with the outer wall of the matching convex ring. The matching core pad is used to axially position the container body, and the positioning ring and the matching core pad are used together to radially position the container body. The containment cover is a disc-shaped structure, the edge of which abuts against the top of the containment tank body, and the bottom of which is provided with a covering boss, which protrudes below the containment cover and extends into the interior of the containment tank body, and the containment cover covers and closes the containment tank body.

5. The planetary ball mill container assembly with a stepped tight structure according to claim 4, characterized in that: The step limiting components include: A pair of limiting side plates are provided, each limiting side plate is located on both sides of the bearing seat plate, and assembly recesses are respectively opened on both sides of the bearing seat plate. The bottom of each limiting side plate is respectively placed in the assembly recess and fixed by connecting bolts. The top thereof extends axially above the bearing seat plate and shields both sides of the containing tank body. The height thereof is greater than the height of the containing cover. A group of step openings are respectively opened on the upper part of each limiting side plate, and each step opening is arranged sequentially along the height direction of the limiting side plate.

6. The planetary ball mill container assembly with a stepped tight structure according to claim 5, characterized in that: The tight locking member comprises: A tight-fitting end cover, which is made of a stainless steel plate and is located above the containing cover and corresponds to the middle of the containing cover; A tight-fitting gasket, which is made of hard silicone rubber, is embedded in the bottom of the tight-fitting end cover and abuts against the top of the containing cover; A locking screw, the bottom of which is engaged with the top of the tight end cover through a rotating structure, and can be rotated on the top of the tight end cover, and the top of which extends axially above the accommodating cover; A locking beam is located between the limiting side plates and above the tightening end cover. The middle part of the locking beam is screwed onto the locking screw through a threaded hole, and the two ends of the locking beam extend into the stepped openings of the limiting side plates respectively. When the locking screw rotates, it drives the tightening end cover and the tightening pad to lock or loosen the containing cover.

7. The planetary ball mill container assembly with a stepped tight structure according to claim 5, characterized in that: A group of reinforcing ribs are respectively provided on the inner wall of each limiting side plate, and each reinforcing rib extends along the height direction of the limiting side plate and is arranged in sequence along the width direction of the limiting side plate, and the reinforcing ribs are used to structurally reinforce the limiting side plate.

8. The planetary ball mill container assembly with a stepped tight structure according to claim 6, characterized in that: An operating handle is installed on the top of the locking screw. The operating handle extends in the transverse direction and passes through both sides of the locking screw. The locking screw can be driven to rotate by the operating handle.

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