Double-tank reversing device of sand mill
By using a dual-tank mutual-turning device in a sand mill, and utilizing the design of a rotating disc and inner and outer grinding bodies, the problems of single grinding paths and uneven material distribution in traditional sand mills are solved, achieving uniform material distribution and efficient grinding, thus improving grinding efficiency and quality.
Patent Information
- Application Number
- CN202422870129.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Traditional sand mills suffer from problems such as a single grinding path, uneven material distribution, poor fluidity, easy clogging, low grinding efficiency, inflexible adjustment of grinding parameters, and insufficient equipment adaptability.
The sand mill employs a dual-tank mutual-sinking device, which includes a rotating disc, inner and outer grinding bodies, a drive roller and a driven roller, and a drive gear and a driven gear linkage design. Combining hexagonal and triangular prisms, it achieves uniform material distribution and efficient grinding through complex grinding paths, precise quantitative supply, and flexible angle adjustment.
It improves grinding efficiency and quality, avoids material blockage, adapts to different material characteristics, and ensures the continuity and efficiency of the grinding process.
Smart Images

Figure CN223669256U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to sand mill design technical field, specifically a sand mill double tank mutual device. BACKGROUND
[0002] As a key equipment in the field of powder processing, the performance of sand mill directly affects the product quality and production efficiency. Traditional sand mill adopts single tank structure, and the grinding medium (such as steel ball, ceramic bead, etc.) and material carry out physical collision and shearing action in the tank body to complete the refinement of material. However, the problems of traditional sand mill mainly include: single grinding path, easy to cause uneven distribution of material, low grinding efficiency; poor flowability of material in the tank body, easy to block, affecting continuous operation; material supply is difficult to accurately control, leading to excessive or insufficient grinding, affecting the quality of the final product.
[0003] At the same time, there are still some deficiencies in the prior art, such as the flowability and discharge efficiency of the material in the sand mill shell need to be improved; the grinding parameters (such as the rotating speed of the grinding medium) are not flexible enough to meet the needs of different material characteristics; the adaptability and convenience of operation of the equipment still need to be strengthened.
[0004] Therefore, a sand mill double tank mutual device is provided to solve the above problems. CONTENT OF THE UTILITY MODEL
[0005] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a sand mill double tank mutual device to at least partially solve the above technical problems.
[0006] The technical scheme adopted by the utility model is as follows:
[0007] The utility model provides a kind of sand mill double tank mutual device, comprising: support, the support is fixed with sand mill shell and first drive motor, the side of sand mill shell is hinged with material door, the rear side of sand mill shell is equipped with rotating shaft, rotating shaft penetrates the rear side of sand mill shell, the output shaft of first drive motor and the part chain transmission connection of rotating shaft outside sand mill shell, rotating shaft is equipped with rotary disc on the part of inside sand mill shell, the outer ring and inner ring of rotary disc are all equipped with hexagonal cylinder.
[0008] As a further scheme of the utility model: three triangular columns are equipped between adjacent hexagonal cylinders on the outer ring part of rotary disc, one triangular column is equipped between adjacent hexagonal cylinders on the inner ring part of rotary disc, spiral blade is equipped on rotating shaft.
[0009] As a further scheme of the utility model: the center of the material door is equipped with a feeding port, the inner side of the material door is equipped with an inner sand mill body and an outer sand mill body, the inner sand mill body is on the inner side of the outer sand mill body, the outer sand mill body is equipped with a through hole, the material door is fixedly equipped with a feeding pipe, and the feeding pipe is matched with the feeding port.
[0010] As a further scheme of the utility model: the feeding pipe is equipped with a feeding box, the feeding box is equipped with a driving roller and a driven roller, and the other side of the feeding box is equipped with a driving gear and a driven gear matched with the driving roller and the driven roller respectively.
[0011] As a further scheme of the utility model: the driving gear and the driven gear are equipped with an auxiliary gear in the middle, the feeding box is equipped with a second driving motor below, and the output shaft of the second driving motor and the chain gear on one side of the driving gear are connected through a chain.
[0012] As a further scheme of the utility model: the lower end of the feeding pipe is equipped with a universal rotating ball through a supporting rod, and the lower end of the sand mill shell is equipped with a discharge port.
[0013] As a further scheme of the utility model: the hexagonal type cylinder is six on the outer circle of the rotating disc, and the hexagonal type cylinder is six on the inner circle of the rotating disc.
[0014] As a further scheme of the utility model: the number of the inner sand mill body and the outer sand mill body is eight.
[0015] The embodiment of the utility model has the following beneficial effects:
[0016] The combination of the hexagonal type cylinder and the triangular cylinder on the rotating disc can form a complex and efficient grinding path inside the sand mill shell, the hexagonal type cylinder can ensure that the material is evenly distributed and subjected to all-round grinding, and the triangular cylinder can further break hard or large particles in the material, thereby improving the grinding efficiency.
[0017] The inner sand mill body and the outer sand mill body, and the through hole on the outer sand mill body can make the material smoothly pass through the through hole after grinding, prevent the material from being blocked, and ensure the continuity of the grinding process.
[0018] The driving roller and the driven roller in the feeding box are matched with synchronous operation, the driving gear, the driven gear and the auxiliary gear are linked, the precise quantitative supply of the material is ensured, the material is prevented from being excessive or insufficient into the sand mill shell, and the grinding efficiency and quality are optimized.
[0019] The embodiment realizes the speed adjustment of the driving gear and the driven gear through the control of the second driving motor, so as to adapt to different material characteristics and grinding requirements. In addition, the universal rotating ball enables the feeding pipe to be flexibly adjusted in angle, so as to adapt to various working environments.
[0020] The above summary is intended to illustrate only and is not intended to limit the application in any way. Further aspects, embodiments and features of the application will be apparent from a consideration of the drawings and following detailed description. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0022] Figure 1 is the first structure schematic view of the double-tank mutual reversing device of the sand mill.
[0023] Figure 2 is the second structure schematic view of the double-tank mutual reversing device of the sand mill.
[0024] Figure 3 is the third structure schematic view of the double-tank mutual reversing device of the sand mill.
[0025] Figure 4 is the fourth structure schematic view of the double-tank mutual reversing device of the sand mill.
[0026] Figure 5 is the fifth structure schematic view of the double-tank mutual reversing device of the sand mill.
[0027] As shown in the figure: 1, support, 2, sand mill shell, 3, first driving motor, 4, material door, 5, rotating shaft, 6, rotating disc, 7, hexagonal column, 8, triangular column, 9, helical blade, 10, feeding port, 11, inner sand mill body, 12, outer sand mill body, 13, through hole, 14, feeding pipe, 15, feeding box, 16, driving roller, 17, driven roller, 18, driving gear, 19, driven gear, 20, auxiliary gear, 21, second driving motor, 22, universal rotating ball, 23, discharge port.
[0028] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation on the present application. DETAILED DESCRIPTION
[0029] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different manners without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.
[0030] It should be noted that the terms "first", "second", and the like are used only to distinguish descriptions and purposes of location description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and the like can explicitly or implicitly include one or more features; similarly, for some features that are not limited in number by the words "two", "three" and the like, it should be noted that the features also belong to explicitly or implicitly include one or more feature quantities;
[0031] In the embodiments of the present application, unless otherwise specified and limited, the terms "mounting", "connecting", "fixing" and the like should be understood in a broad sense; for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally formed; it can be mechanically connected, it can be directly connected, it can be welded, or it can be indirectly connected through an intermediate medium, it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the description and drawings in combination with specific circumstances.
[0032] In the description of the embodiments of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.
[0033] As Figures 1 to 5As shown, a sand mill double-tank mutual reversing device comprises a support 1, a sand mill shell 2 and a first driving motor 3 are fixedly arranged on the support 1, a material door 4 is hingedly arranged on one side of the sand mill shell 2, a rotating shaft 5 is arranged on the rear side of the sand mill shell 2, the rotating shaft 5 penetrates through the rear side of the sand mill shell 2, the output shaft of the first driving motor 3 and the rotating shaft 5 are chain transmission connected on the part outside the sand mill shell 2, the rotating shaft 5 is provided with a rotating disc 6 on the part inside the sand mill shell 2, hexagonal columns 7 are arranged on the outer ring and the inner ring of the rotating disc 6, three triangular columns 8 are arranged between the adjacent hexagonal columns 7 on the outer ring part of the rotating disc 6, one triangular column 8 is arranged between the adjacent hexagonal columns 7 on the inner ring part of the rotating disc 6, and helical blades 9 are arranged on the rotating shaft 5.
[0034] In the specific application of the embodiment of the utility model, when the rotating disc 6 rotates, the hexagonal columns 7 and the triangular columns 8 thereon will rotate, since the edges of the hexagonal columns 7 are sharper, the hexagonal columns 7 can preliminarily crush larger or harder materials, and the triangular columns 8 can further crush the materials in the gaps between the hexagonal columns 7, so that the materials are uniformly ground.
[0035] The helical blades 9 arranged on the rotating shaft 5 can push the materials to move forward when the rotating shaft 5 rotates, so that the materials can uniformly pass through each crushing area on the rotating disc 6, and the grinding efficiency is improved. Meanwhile, the helical blades 9 can prevent the materials from forming a dead angle in the sand mill shell 2, avoid the materials from being accumulated, ensure the smooth flow of the materials, and improve the grinding effect.
[0036] In a possible implementation, the center of the material door 4 is provided with a feeding port 10, the inner side of the material door 4 is provided with an inner sand mill body 11 and an outer sand mill body 12, the inner sand mill body 11 is inside the outer sand mill body 12, the outer sand mill body 12 is provided with a through hole 13, the material door 4 is fixedly provided with a feeding pipe 14, the feeding pipe 14 is matched with the feeding port 10, the feeding pipe 14 is provided with a feeding box 15, the feeding box 15 is provided with a driving roller 16 and a driven roller 17, and the other side of the feeding box 15 is provided with a driving gear 18 and a driven gear 19 matched with the driving roller 16 and the driven roller 17 respectively.
[0037] In the specific application of the embodiment of the utility model, when working, the materials enter through the feeding pipe 14, the feeding pipe 14 is precisely connected with the feeding port 10 on the material door 4, so that the materials can smoothly and unobstructedly flow in. The driving roller 16 and the driven roller 17 in the feeding box 15 work cooperatively under the driving of the driving gear 18 and the driven gear 19, preliminarily extrude and pretreat the entering materials, and improve the subsequent grinding efficiency.
[0038] The material then enters the double grinding area composed of the inner sand mill body 11 and the outer sand mill body 12, the inner sand mill body 11 is inside the outer sand mill body 12, and a precisely controlled grinding space is formed between the two. The through hole 13 on the outer sand mill body 12 not only allows the fine material after grinding to pass through, but also prevents larger particles or insufficiently ground materials from directly leaking, ensuring the consistency and efficiency of the grinding effect.
[0039] In a possible implementation, the auxiliary gear 20 is arranged between the driving gear 18 and the driven gear 19, the second driving motor 21 is arranged below the feeding box 15, the output shaft of the second driving motor 21 and the chain gear on one side of the driving gear 18 are connected through a chain, the lower end of the feeding pipe 14 is provided with a universal rotating ball 22 through a supporting rod, and the lower end of the sand mill shell 2 is provided with a discharge port 23.
[0040] In the specific application of the embodiment of the utility model, the second driving motor 21 arranged below the feeding box 15, the output shaft of which is directly connected with the chain gear on one side of the driving gear 18, realizes the transmission of power through a chain, can accurately control the speed and intensity in the feeding process, ensures that the material enters the sand mill area uniformly and continuously, and improves the processing quality and efficiency.
[0041] The universal rotating ball 22 at the lower end of the feeding pipe 14 allows the feeding pipe to rotate freely in all directions, effectively adapts to the material input demand under different working conditions, enhances the adaptability and operation convenience of the equipment. At the same time, it is also beneficial to reduce the risk of material blockage and keep the feeding channel unobstructed. The lower part of the sand mill shell 2 is provided with a discharge port 23, which ensures that the processed material can smoothly and quickly leave the sand mill area, avoids internal accumulation, and thus improves the overall processing capacity.
[0042] In a possible implementation, six hexagonal columns 7 are arranged on the outer circle of the rotating disc 6, and six hexagonal columns 7 are arranged on the inner circle of the rotating disc 6. The number of the inner sand mill body 11 and the outer sand mill body 12 is eight.
[0043] In the specific application of the embodiment of the utility model, the hexagonal columns 7 are arranged on the inner and outer circles of the rotating disc 6 respectively, six are arranged on each circle, forming an alternating distribution structure, which not only ensures the balance and stability during operation, but also maximizes the material contact area, thereby improving the sand mill efficiency.
[0044] When the rotating disc 6 drives the hexagonal columns 7 to operate, the inner sand mill body 11 and the outer sand mill body 12 move along a specific trajectory under the action of centrifugal force. The number of the inner sand mill body 11 and the outer sand mill body 12 is eight, so that a more intensive grinding network is formed in a limited space, not only enhancing the friction between the materials, but also further refining the material particles through multi-directional collision, realizing the significant improvement of the sand mill effect.
[0045] The utility model works as follows:
[0046] Material enters between the inner sand mill body 11 and the outer sand mill body 12 through the feed inlet 10, when the first drive motor 3 starts, rotates the rotating shaft 5, and then rotates the rotating disc 6, the hexagonal column 7 on the rotating disc 6 and the triangular column 8 jointly act on the material, forming a strong grinding effect.
[0047] The design of the hexagonal column 7 and the triangular column 8 can increase the contact area between the material and the sand mill body, improve the grinding efficiency, since the triangular column 8 is arranged between each hexagonal column 7, not only enhances the structural stability of the sand mill body, but also enables the material to be extruded and ground in multiple directions, thereby improving the grinding quality.
[0048] Further, the arrangement of the spiral blade 9 on the rotating shaft 5 helps to transport the material, as the rotating shaft 5 rotates, the spiral blade 9 pushes the material towards the discharge port 23, completing the preliminary grinding and conveying process of the material.
[0049] During the material mutual pouring process, the second drive motor 21 drives the driving gear 18 and the driven gear 19 to rotate, through the cooperation of the driving gear 18, the driven gear 19 and the auxiliary gear 20, ensures the stable operation of the feed tank 15, the universal rotating ball 22 ensures that the feed pipe 14 can be flexibly adjusted in position when the material door 4 is opened and closed, ensures that the material can smoothly enter and exit (two tank bodies mutually pour material, the rotation direction of the rotating disc 6 can be adjusted or an additional mechanism (such as a valve or a guide plate) is used to control the flow direction of the material, realizing the circulation or selective discharge of the material between the two sand mill tanks).
[0050] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0051] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
[0052] The above has described the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.
Claims
1. A sand mill double pot reverse device, characterized by, Include: Support (1), the sanding shell (2) and the first drive motor (3) are fixedly provided on the support (1), the side of the sanding shell (2) is hinged with a material door (4), the rear side of the sanding shell (2) is provided with a rotating shaft (5), the rotating shaft (5) penetrates the rear side of the sanding shell (2), the output shaft of the first drive motor (3) and the rotating shaft (5) are chain transmission connected outside the sanding shell (2), the rotating shaft (5) is provided with a rotating disc (6) on the part inside the sanding shell (2), the outer ring and the inner ring of the rotating disc (6) are provided with hexagonal columns (7).
2. The sand mill dual pot reverse device of claim 1, wherein, Three triangular columns (8) are arranged between adjacent hexagonal columns (7) on the outer ring part of the rotating disc (6), one triangular column (8) is arranged between adjacent hexagonal columns (7) on the inner ring part of the rotating disc (6), and the rotating shaft (5) is provided with a helical blade (9).
3. The sand mill dual pot reverse device of claim 1, wherein, The center of the material door (4) is provided with a feeding port (10), the inner side of the material door (4) is provided with an inner sanding body (11) and an outer sanding body (12), the inner sanding body (11) is inside the outer sanding body (12), the outer sanding body (12) is provided with a through hole (13), the material door (4) is fixedly provided with a feeding pipe (14), and the feeding pipe (14) is matched with the feeding port (10).
4. The sand mill dual pot reverse device of claim 3, wherein, The feeding pipe (14) is provided with a feeding box (15), the feeding box (15) is provided with a driving roller (16) and a driven roller (17), and the other side of the feeding box (15) is provided with a driving gear (18) and a driven gear (19) matched with the driving roller (16) and the driven roller (17) respectively.
5. The sand mill dual pot reverse device of claim 4, wherein, The driving gear (18) and the driven gear (19) are provided with an auxiliary gear (20) therebetween, the feeding box (15) is provided with a second drive motor (21) below, and the output shaft of the second drive motor (21) and the chain gear on one side of the driving gear (18) are connected through a chain.
6. The sand mill dual pot reverse device of claim 5, wherein, The lower end of the feeding pipe (14) is provided with a universal rotating ball (22) through a supporting rod, and the lower end of the sanding shell (2) is provided with a discharge port (23).
7. The sand mill dual pot reverse device of claim 1 wherein, The hexagonal columns (7) are six on the outer ring of the rotating disc (6), and the hexagonal columns (7) are six on the inner ring of the rotating disc (6).
8. The sand mill dual pot reverse device of claim 3, wherein, The number of the inner sanding body (11) and the outer sanding body (12) is eight.