Sand mill for powder processing
By introducing spherical grinding cylinders and servo motor-driven rotary screening cylinders in the sand mill, the problems of automatic screening and classification collection are solved, vibration and noise are reduced, and the efficiency and stability of powder processing are improved.
Patent Information
- Application Number
- CN202323649963.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-30
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2033-12-30
AI Technical Summary
Existing sand mills cannot automatically screen and classify and collect grinded materials. The vibration screen is troublesome and noisy, which affects the screening efficiency.
A sand mill for powder processing was designed, including a spherical grinding cylinder, grinding ball, hopper, dustproof box, grinding motor and screening components. The rotary screening cylinder driven by servo motor is used for material screening and sorting and collection, and through The guide cylinder and spring slow down vibration and improve stability.
It realizes efficient screening and classification collection, reduces vibration force and noise, avoids blockage of large-particle materials, and improves screening efficiency and equipment stability.
Smart Images
Figure CN222287524U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of sand mills, in particular to a sand mill for powder processing. Background Art
[0002] Yttria-stabilized zirconia powder is a ceramic material. By adding yttria to change the phase transition temperature range of zirconium dioxide, cubic crystals and tetragonal crystals that are stable at room temperature are produced. Yttria-stabilized zirconia powder needs to be ground with a sand mill.
[0003] However, the sand mill in the prior art cannot automatically screen and classify the ground materials, and can only take out the ground materials and place them in a vibrating screen for screening. The vibrating screen is troublesome to use. After long-term use, there will be more and more large particles in the vibrating screen, which will affect the screening efficiency. In addition, the vibrating screen is noisy. Therefore, it is an urgent problem to invent a sand mill for powder processing that has high screening efficiency, low noise, can reduce vibration and is easy to classify and collect materials. Utility Model Content
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a sand mill for powder processing, which solves the problem that the sand mill in the prior art cannot automatically screen and classify the ground materials, and can only take out the ground materials and place them in a vibrating screen for screening. The vibrating screen is more troublesome to use. After long-term use, the number of large particles in the vibrating screen will increase, thereby affecting the screening efficiency, and the vibrating screen is noisy.
[0005] The technical solution adopted by the utility model is as follows: a sand mill for powder processing, comprising a work box, a grinding assembly and a screening assembly, the grinding assembly and the screening assembly are arranged in the work box, the grinding assembly comprises a spherical grinding cylinder, grinding balls, a mounting frame, a feeding hopper, a dustproof box, a grinding shaft and a grinding motor;
[0006] The feeding hopper is fixed on the top wall of the working box, the mounting frame 1 is fixed in the feeding hopper, the dustproof box is fixed on the upper side of the mounting frame 1, the grinding motor is fixed in the dustproof box, the upper end of the grinding shaft is rotatably arranged in the mounting frame 1, the output end of the grinding motor is fixedly connected to the upper end of the grinding shaft, the grinding ball is fixed at the lower end of the grinding shaft, the spherical grinding cylinder is fixed in the working box, a discharge hole is provided at the bottom of the spherical grinding cylinder, the grinding ball is close to the discharge hole, a feed port is provided at the top of the spherical grinding cylinder, and the feed port corresponds to the feeding hopper.
[0007] As a preferred technical solution of this scheme, the screening component includes a mounting frame 2, a gear 1, a gear 2, a servo motor, a screening drum and a mounting frame 3. The mounting frame 2 is fixedly arranged on the inner wall of the working box, the servo motor is fixedly arranged in the 2, the gear 1 is fixedly arranged on the output end of the servo motor, the mounting frame 3 is fixedly arranged in the working box, the screening drum is rotatably arranged in the mounting frame 3, the gear 2 is fixedly arranged on the screening drum, and the gear 2 is meshed with the gear 1.
[0008] As a preferred technical solution of this scheme, a sliding column is vertically fixed on the bottom wall of the work box, a guide cylinder is vertically slidably provided on the outside of the sliding column, a base is fixed at the lower end of the guide cylinder, a spring is sleeved on the outside of the sliding column, one end of the spring is fixed on the bottom wall of the work box, and the other end of the spring is fixed on the guide cylinder.
[0009] As a preferred technical solution of the present invention, a fine material drawer is provided on the bottom wall of the working box in a pull-out sliding manner, and the fine material drawer is provided on the lower side of the sieve hole of the screening cylinder.
[0010] As a preferred technical solution of this scheme, a coarse material drawer is provided on the bottom wall of the working box in a pull-out sliding manner, and the coarse material drawer is arranged on the lower side of the slope bottom of the screening drum.
[0011] After adopting the above structure, the utility model has the following beneficial effects: the utility model is a sand mill for powder processing,
[0012] 1. Through the matching use of spherical grinding cylinder, grinding balls, mounting frame 1, feeding hopper, dust box and grinding motor, the material can be ground in the spherical grinding chamber;
[0013] 2. The screening drum is rotated by using the mounting frame 2, gear 1, gear 2, servo motor, screening drum and mounting frame 3, so that the ground materials can be screened and collected by classification. Compared with the vibration screening in the prior art, this screening method can reduce vibration force and noise, and can also prevent large particles from blocking the screen holes of the screening drum, thereby avoiding affecting the screening efficiency.
[0014] 3. The vibration force of the work box can be reduced by setting the guide cylinder, sliding column, spring and damper, and the repeated shaking of the work box can be avoided by setting the damper, thereby improving stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings are used to provide a further understanding of the present solution and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.
[0016] Figure 1This is a schematic diagram of the overall structure of a sand mill for powder processing in this scheme;
[0017] Figure 2 This is a cross-sectional view of the internal structure of a sand mill for powder processing in this scheme.
[0018] In the attached drawings: 1. working box, 2. grinding assembly, 3. screening assembly, 4. feeding hopper, 5. mounting frame 1, 6. dust box, 7. grinding motor, 8. grinding shaft, 9. grinding ball, 10. spherical grinding cylinder, 11. mounting frame 2, 12. servo motor, 13. gear 1, 14. mounting frame 3, 15. coarse material drawer, 16. fine material drawer, 17. sliding column, 18. guide cylinder, 19. base, 20. damper, 21. screening cylinder, 22. gear 2, 23. spring. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0020] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0021] like Figure 1-Figure 2 As shown, a sand mill for powder processing includes a work box 1, a grinding assembly 2 and a screening assembly 3, wherein the grinding assembly 2 and the screening assembly 3 are arranged in the work box 1, and the grinding assembly 2 includes a spherical grinding cylinder 10, grinding balls 9, a mounting frame 5, a feeding hopper 4, a dustproof box 6, a grinding shaft 8 and a grinding motor 7;
[0022] The feeding hopper 4 is fixed on the top wall of the working box 1, the mounting frame 5 is fixed in the feeding hopper 4, the dustproof box 6 is fixed on the upper side of the mounting frame 5, the grinding motor 7 is fixed in the dustproof box 6, the upper end of the grinding shaft 8 is rotatably arranged in the mounting frame 5, the output end of the grinding motor 7 is fixedly connected to the upper end of the grinding shaft 8, the grinding ball 9 is fixed at the lower end of the grinding shaft 8, the spherical grinding cylinder 10 is fixed in the working box 1, a discharge hole is provided at the bottom of the spherical grinding cylinder 10, the grinding ball 9 is close to the discharge hole, and a feed port is provided at the top of the spherical grinding cylinder 10, and the feed port corresponds to the feeding hopper 4.
[0023] The screening assembly 3 includes a mounting frame 11, a gear 13, a gear 22, a servo motor 12, a screening cylinder 21 and a mounting frame 14. The mounting frame 11 is fixedly arranged on the inner wall of the working box 1, the servo motor 12 is fixedly arranged in the mounting frame 11, the gear 13 is fixedly arranged on the output end of the servo motor 12, the mounting frame 14 is fixedly arranged in the working box 1, the screening cylinder 21 is rotatably arranged in the mounting frame 14, the gear 22 is fixedly arranged on the screening cylinder 21, and the gear 22 is meshed with the gear 13.
[0024] A sliding column 17 is vertically fixed on the bottom wall of the work box 1, a guide cylinder 18 is vertically slidably provided on the outside of the sliding column 17, a base 19 is fixed on the lower end of the guide cylinder 18, a spring 23 is sleeved on the outside of the sliding column 17, one end of the spring 23 is fixed on the bottom wall of the work box 1, and the other end of the spring 23 is fixed on the guide cylinder 18.
[0025] A fine material drawer 16 is provided on the bottom wall of the working box 1 in a pull-out sliding manner. The fine material drawer 16 is provided on the lower side of the sieve hole of the screening cylinder 21 .
[0026] A coarse material drawer 15 is provided on the bottom wall of the working box 1 in a pull-out sliding manner. The coarse material drawer 15 is provided at the lower side of the slope bottom of the screening drum 21 .
[0027] When in use, first start the grinding motor 7, which drives the grinding shaft 8 and the grinding balls 9 to rotate in the spherical grinding cylinder 10, and then pour the material from the feeding hopper 4 into the spherical grinding cylinder 10, at which time the grinding balls 9 grind the material, and the ground material falls into the screening cylinder 21 from the discharge hole at the bottom of the grinding cylinder;
[0028] Then, the servo motor 12 is started, the servo motor 12 drives the gear 1 13 to rotate, the gear 1 13 drives the gear 2 22 to rotate, the gear 2 22 drives the screening cylinder 21 to rotate, thereby realizing the screening of materials, the materials that meet the standards will fall from the sieve holes of the screening cylinder 21 into the fine material drawer 16, and the materials that do not meet the standards will fall from the bottom of the slope of the screening cylinder 21 into the coarse material drawer 15, thereby realizing the classification and collection of materials;
[0029] Vibration will occur during the operation. The setting of the sliding column 17 can provide guidance for the work box 1 and use the elastic force of the spring 23 to alleviate the vibration. The setting of the damper 20 can prevent the work box 1 from shaking repeatedly, thereby improving stability.
[0030] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the scope of protection of the utility model.
Claims
1. A sand mill for powder processing, comprising a working box, characterized in that: It also includes a grinding assembly and a screening assembly, which are arranged in the working box, and the grinding assembly includes a spherical grinding cylinder, grinding balls, a mounting frame, a feeding hopper, a dustproof box, a grinding shaft and a grinding motor; The feeding hopper is fixed on the top wall of the working box, the mounting frame 1 is fixed in the feeding hopper, the dustproof box is fixed on the upper side of the mounting frame 1, the grinding motor is fixed in the dustproof box, the upper end of the grinding shaft is rotatably arranged in the mounting frame 1, the output end of the grinding motor is fixedly connected to the upper end of the grinding shaft, the grinding ball is fixed at the lower end of the grinding shaft, the spherical grinding cylinder is fixed in the working box, a discharge hole is provided at the bottom of the spherical grinding cylinder, the grinding ball is close to the discharge hole, a feed port is provided at the top of the spherical grinding cylinder, and the feed port corresponds to the feeding hopper.
2. A sand mill for powder processing according to claim 1, characterized in that: The screening component includes a mounting frame 2, a gear 1, a gear 2, a servo motor, a screening drum and a mounting frame 3. The mounting frame 2 is fixedly arranged on the inner wall of the working box, the servo motor is fixedly arranged in the mounting frame 2, the gear 1 is fixedly arranged on the output end of the servo motor, the mounting frame 3 is fixedly arranged in the working box, the screening drum is rotatably arranged in the mounting frame 3, the gear 2 is fixedly arranged on the screening drum, and the gear 2 is meshed with the gear 1.
3. A sand mill for powder processing according to claim 2, characterized in that: A sliding column is vertically fixed on the bottom wall of the work box, a guide cylinder is vertically slidably provided on the outside of the sliding column, a base is fixed on the lower end of the guide cylinder, a spring is sleeved on the outside of the sliding column, one end of the spring is fixed on the bottom wall of the work box, and the other end of the spring is fixed on the guide cylinder.
4. A sand mill for powder processing according to claim 3, characterized in that: A fine material drawer is provided on the bottom wall of the working box in a pull-out sliding manner, and the fine material drawer is arranged on the lower side of the sieve hole of the screening cylinder.
5. A sand mill for powder processing according to claim 4, characterized in that: A coarse material drawer is provided on the bottom wall of the working box in a pull-out sliding manner, and the coarse material drawer is arranged on the lower side of the slope bottom of the screening cylinder.