Efficient sand mill charging bucket with controllable particle size distribution peak pattern
By designing a high-efficiency sand mill feed hopper with controllable particle size distribution peak shape, and utilizing screen disc rotation and vibrating screening technology, the problem of wide particle size distribution in traditional sand mills has been solved, thereby improving material particle size uniformity and production efficiency.
Patent Information
- Application Number
- CN202423102494.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-16
AI Technical Summary
In the process of grinding materials, traditional sand mills result in a wide particle size distribution and difficulty in controlling the peak shape of the particle size distribution, which affects production efficiency and quality.
Design a high-efficiency sand mill feed hopper with controllable particle size distribution peak shape, comprising a tank body, a guide cylinder, a screen plate, and a stirring rod. Through the rotation and vibration of the screen plate, fine and coarse materials are separated, achieving uniform control of particle size distribution.
It effectively reduces the widening of material particle size distribution, improves production efficiency and processing quality, and ensures that the peak shape of particle size distribution is controllable.
Smart Images
Figure CN223628717U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to sand mill technical field, concretely relates to a kind of efficient sand mill material tank of peak type controllable particle size distribution. BACKGROUND
[0002] Sand mill is a kind of wet grinding equipment for material grinding, widely used in paint, ceramic ink, food, medicine and other multiple industrial fields, in recent years, it is introduced into the synthesis process of lithium ion battery material, for controlling the control of powder material primary particle size.
[0003] At present, the commonly used sand mill type mainly has disc piece type, vortex type, bar pin type etc., and most of the sand mills used in production are through repeated circulation grinding of material until grinding particle size is reached, in this process, some materials that have reached grinding particle size still follow large particle size material to circulate to sand mill to continue grinding, which leads to material particle size distribution widening, and peak type of particle size distribution is difficult to control, affecting production efficiency.
[0004] Therefore, it is necessary to provide an improved technical solution for the above-mentioned deficiencies of the prior art. UTILITY MODEL CONTENT
[0005] The utility model aims at overcoming the problems of material particle size distribution widening and peak type of particle size distribution being difficult to control in traditional sand mill processing, and provides a kind of efficient sand mill material tank of peak type controllable particle size distribution.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A kind of efficient sand mill material tank of peak type controllable particle size distribution, it include: tank body, guide material cylinder and sieve disc, the central vertical of tank body tank cavity is provided with stirring rod, the top of tank body is provided with tank cover, the surface periphery of tank cover is provided with circulating feed inlet;The central vertical of tank cavity is provided with guide material cylinder, the stirring rod is centrally located in the guide material cylinder, the bottom of guide material cylinder is communicated with convection net cylinder, the lower end of convection net cylinder is butt joint with the bottom of tank cavity;The top of guide material cylinder is provided with sieve disc, and it rotates along with stirring rod, the central of sieve disc is provided with drop port, so that the chamber above the sieve disc is communicated with the cylinder cavity of guide material cylinder, the edge of sieve disc is attached to the cavity wall of tank cavity, so that the lower disc surface of sieve disc and the outer cylinder wall of guide material cylinder form fine material cavity.
[0008] In the efficient sand mill material tank of peak type controllable particle size distribution as described above, preferably, the top central of tank cover is provided with motor, and the upper end of stirring rod penetrates tank cover and is drivingly connected with motor.
[0009] Preferably, a rectangular section is provided on the stirring rod above the part above the sieve disc.
[0010] The central part of the sieve tray is provided with a sliding sleeve,
[0011] The sleeve hole of the sliding sleeve is matched with the rectangular section to cover the outside of the rectangular section.
[0012] Preferably, the sliding sleeve and the sieve tray are connected as a whole through a connecting rod.
[0013] Preferably, the middle area of the upper disc surface of the sieve tray is concave downward to form an inclined surface.
[0014] Preferably, the bottom of the tank body is provided with a tee pipe and a discharge pipe;
[0015] The vertical pipe of the tee pipe is communicated with the material guiding cylinder, and one end of the horizontal pipe of the tee pipe is a circulating discharge port connected with the sand milling cavity of the sand mill, and the other end is a discharge port.
[0016] The discharge pipe is communicated with the fine material cavity.
[0017] Preferably, the convection holes of the convection net cylinder are smaller than the sieve holes of the sieve tray.
[0018] Preferably, the top of the material guiding cylinder is provided with a plurality of protrusions arranged in the circumferential direction.
[0019] The lower disc surface of the sieve tray is provided with a plurality of rollers arranged in the circumferential direction corresponding to the top of the material guiding cylinder.
[0020] Preferably, the rollers are arranged in a staggered manner with the protrusions.
[0021] Preferably, the bottom of the tank body is provided with a lifting frame.
[0022] Beneficial effects: the utility model can greatly reduce the problem of wide material particle size distribution and difficult to control the particle size distribution peak type of traditional sand mill processing, effectively improve the production efficiency, ensure the processing quality of sand mill, and the use effect is extremely good. BRIEF DESCRIPTION OF DRAWINGS
[0023] The drawings accompanying the specification provide further understanding of the utility model, and the schematic embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model. Among them:
[0024] Figure 1 It is the front view schematic diagram of the utility model;
[0025] Figure 2 It is the overall schematic diagram of the utility model;
[0026] Figure 3 It is the sectional view of the utility model;
[0027] Figure 4 It isFigure 3 Enlarged view at A;
[0028] Figure 5 It is the bottom view of the sieve tray structure of the utility model;
[0029] Figure 6 It is Figure 5 Enlarged view at B;
[0030] Figure 7 It is the overall schematic view of the material guiding cylinder structure of the utility model.
[0031] In the figure: 1, tank body; 2, stirring rod; 3, tank cover; 4, circulating feed inlet; 5, material guiding cylinder; 6, convection net cylinder; 7, sieve tray; 8, motor; 9, rectangular section; 10, sliding sleeve; 11, connecting rod; 12, tee; 13, discharge pipe; 14, protruding block; 15, roller; 16, lifting frame. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art belong to the scope of protection of the utility model.
[0033] In the description of the utility model, the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" and the like is the orientation or position relationship shown based on the drawings, and is only for the convenience of describing the utility model and not for requiring the utility model to be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. The terms "connected", "connected" used in the utility model should be understood broadly, for example, it can be fixed connection, can also be detachable connection; can be directly connected, can also be indirectly connected through intermediate parts, for the person skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.
[0034] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.
[0035] Embodiment, the embodiment aims to provide a kind of high-efficiency sand mill material tank with controllable particle size distribution peak type, its main role is reflected in the particle size distribution of material processed by traditional sand mill can be uniform, so as to reasonably control particle size distribution peak type, ensure its processing quality.
[0036] Refer to Figures 1-3, including: tank body 1, guide material cylinder 5 and sieve disc 7, the top of tank body 1 is bolted with tank cover 3, the surface of tank cover 3 is provided with circulating feed port 4 in the periphery, the circulating feed hole is communicated with the sand mill cavity of sand mill, the top center of tank cover 3 is fixed with motor 8, the bottom of tank body 1 is provided with elevated frame 16, which is composed of three outwardly inclined supporting rods; the central of tank cavity of tank body 1 is vertically provided with stirring rod 2, the upper end of stirring rod 2 penetrates tank cover 3 and is drivingly connected with motor 8, the stirring blade of stirring rod 2 is located at the lowermost end thereof.
[0037] Referring to Figure 3 And Figure 7 , guide material cylinder 5 is vertically arranged in the center of the tank cavity, and stirring rod 2 is centrally located in the cylinder cavity of guide material cylinder 5, the bottom of guide material cylinder 5 is welded with counterflow mesh cylinder 6 to make counterflow mesh cylinder 6 communicated with guide material cylinder 5, and the lower end of counterflow mesh cylinder 6 is welded with the bottom of the tank cavity.
[0038] Referring to Figures 3-5 , sieve disc 7 is seated on the top of guide material cylinder 5, and sieve disc 7 rotates with stirring rod 2, the edge of sieve disc 7 is adjacent to the cavity wall of the tank cavity with a certain gap to avoid damage caused by large friction between sieve disc 7 and the cavity wall of the tank cavity during rotation, and the upper disc surface of sieve disc 7 is concave in the middle region to form an inclined surface to allow the material to move towards the center of sieve disc 7, specifically, a rectangular section 9 is arranged on the upper part of sieve disc 7, a sliding sleeve 10 is arranged in the center of sieve disc 7, the sleeve hole of sliding sleeve 10 is matched with rectangular section 9 to make sliding sleeve 10 sleeved on the outside of rectangular section 9 and can slide up and down, sliding sleeve 10 and sieve disc 7 are connected as a whole through a connecting rod 11, so that sieve disc 7 can move synchronously with stirring rod 2 during rotation of stirring rod 2; sieve disc 7 is provided with a discharge port in the center, the size of the discharge port is matched with the cylinder port of guide material cylinder 5 to make the chamber above sieve disc 7 communicated with the cylinder cavity of guide material cylinder 5, and the edge of sieve disc 7 is fitted with the cavity wall of the tank cavity to form a fine material cavity between the lower disc surface of sieve disc 7 and the outer cylinder wall of guide material cylinder 5, correspondingly, the cylinder cavity of guide material cylinder 5 is a coarse material cavity.
[0039] Referring to Figures 1-3 , the bottom of tank body 1 is provided with three-way pipe 12 and discharge pipe 13, the vertical pipe of three-way pipe 12 is communicated with guide material cylinder 5, one end of the horizontal pipe of three-way pipe 12 is a circulating discharge port to connect the sand mill cavity of sand mill, and the other end is a discharge port for discharging the material in guide material cylinder 5, and discharge pipe 13 is communicated with fine material cavity,
[0040] In this embodiment, the purpose of setting counterflow mesh cylinder 6 is to make the slurry in fine material cavity and coarse material cavity flow to each other to avoid material solidification, thereby providing favorable conditions for the final discharge.
[0041] In this embodiment, the counterflow hole of counterflow mesh cylinder 6 is smaller than the sieve hole of sieve disc 7 to prevent the material in fine material cavity from flowing into the coarse material cylinder cavity of guide flow cylinder.
[0042] In the embodiment, referring to Figure 3 、 Figure 5 、 Figure 6 and Figure 7 , the top of the guide cylinder 5 is arranged with a plurality of protrusions 14 in the circumferential direction, and the lower surface of the sieve disc 7 is arranged with a plurality of rollers 15 in the circumferential direction corresponding to the top of the guide cylinder 5, the rollers 15 can rotate, and the rollers 15 and the protrusions 14 are arranged in a staggered manner, so that the sieve disc 7 vibrates when the rollers 15 pass through the protrusions 14 during rotation of the sieve disc 7, greatly improving the screening efficiency of the sieve disc 7, and reducing the phenomenon of widening of the particle size distribution of the material.
[0043] In actual use, the material processed by the sand mill is fed into the tank 1 through the circulating feed port 4, the material is fully dispersed by the rotation of the sieve disc 7, and is fully screened by the vibration of the sieve disc 7, and is respectively fed into the fine material cavity and the coarse material cavity, so as to reduce the phenomenon of widening of the particle size distribution of the material processed by the traditional sand mill, the material in the coarse material cavity, i.e. the cylinder cavity of the guide cylinder 5, is again fed into the sand mill for processing, and the material is repeatedly processed until the qualified particle size is reached, so as to effectively improve the processing efficiency and processing quality, and finally the material is discharged through the three-way pipe 12 and the discharge pipe 13 at the bottom of the tank 1.
[0044] The sand mill material tank provided by the embodiment can greatly reduce the problem of widening of the particle size distribution of the material processed by the traditional sand mill, and the particle size distribution peak type is difficult to control, effectively improving the production efficiency and ensuring the processing quality of the sand mill, and the use effect is excellent.
[0045] It can be understood that the above description is only exemplary, and the embodiments of the application are not limited thereto.
[0046] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application is within the scope of the claims of the present application.
Claims
1. A high-efficiency sand mill tank with controllable particle size distribution peak type, characterized in that, The utility model relates to a kind of sand mill, including: Tank body, stirring rod is vertically arranged in tank cavity, the top of the tank body is equipped with tank cover, the surface of the tank cover is equipped with circulating feed inlet periphery; Guide cylinder is vertically arranged in the central of tank cavity, the stirring rod is centrally located in the guide cylinder, the bottom of the guide cylinder is communicated with convection net cylinder, the lower end of the convection net cylinder is butted with the bottom of the tank cavity; Screen disc is located in the top of the guide cylinder, and rotates following the stirring rod, the central of the screen disc is equipped with drop port, so that the chamber above the screen disc is communicated with the cylinder cavity of the guide cylinder, the edge of the screen disc is fitted with the cavity wall of tank cavity, so that the lower disc surface of the screen disc and the outer cylinder wall of the guide cylinder form fine material cavity.
2. The high-efficiency sand mill tank with controllable particle size distribution peak type according to claim 1, characterized in that, The top central of the tank cover is equipped with motor, the upper end of the stirring rod is penetrated the tank cover and is drivingly connected with the motor.
3. The high-efficiency sand mill tank with controllable particle size distribution peak type according to claim 2, characterized in that, Rectangular section is arranged on the stirring rod above the screen disc portion; The central of the screen disc above is equipped with sliding sleeve, The sleeve hole of the sliding sleeve is matched with the rectangular section, so as to sleeve the sliding sleeve outside the rectangular section.
4. The high-efficiency sand mill tank with controllable particle size distribution peak type according to claim 3, characterized in that, The sliding sleeve and the screen disc are connected as a whole by link rod.
5. The high-efficiency sand mill tank with controllable particle size distribution peak type according to claim 1, characterized in that, The middle area of the upper disc surface of the screen disc is concave downward to form inclined surface.
6. The high-efficiency sand mill tank with controllable particle size distribution peak type according to claim 1, characterized in that, The bottom of the tank body is equipped with tee and discharge pipe; The vertical pipe of the tee is communicated with the guide cylinder, one end of the horizontal pipe of the tee is circulating discharge port to connect sand mill sand mill cavity, the other end is discharge port; The discharge pipe is communicated with the fine material cavity.
7. The high-efficiency sand mill tank with controllable particle size distribution peak type according to claim 1, characterized in that, The convection hole of the convection net cylinder is smaller than the screen hole of the screen disc.
8. The high-efficiency sand mill tank with controllable particle size distribution peak type according to claim 1, characterized in that, The cylinder top of the guide cylinder is arranged with multiple protrusions in circumferential direction at intervals; The lower disc surface of the screen disc is arranged with multiple rollers in circumferential direction at intervals corresponding to the cylinder top of the guide cylinder.
9. The high-efficiency sand mill tank with controllable particle size distribution peak type according to claim 8, characterized in that, The roller and the protrusion are arranged in dislocation.
10. The high-efficiency sand mill tank with controllable particle size distribution peak type according to claim 1, characterized in that, The bottom of the tank body is equipped with elevated frame.