Crushing equipment millstone based on aerodynamic optimization

Abstract

The utility model discloses a crushing equipment grinding disc based on aerodynamic optimization, and relates to the technical field of graphite crushing. The utility model aims to solve the problem that a hammer head and a grinding disc of crushing equipment are seriously abraded in the existing graphite crushing process. The grinding disc comprises a grinding disc body, a plurality of hammer grinding blocks, a plurality of wear-resistant strips and a plurality of guide vanes, the grinding disc body is in a disc shape, the hammer grinding blocks are evenly and fixedly connected to the edge of the upper disc face of the grinding disc body in the circumferential direction, and the wear-resistant strips are evenly and fixedly connected to the upper disc face of the grinding disc body in the circumferential direction. Each wear-resisting strip is arranged in the radial direction, a plurality of guide vanes are evenly distributed and fixedly connected to the lower disc face of the grinding disc body in the circumferential direction, and the guide vanes are spiral arc curved surfaces. The graphite crusher is used for crushing graphite.

Description

TECHNICAL FIELD

[0001] The utility model relates to graphite crushing technical field, concretely relates to a kind of grinding disc based on air dynamics optimization of crushing equipment. BACKGROUND

[0002] As a kind of high value-added deep processing product, spherical graphite has the characteristics of particle size distribution concentration, tap density, small specific surface area and stable quality, and is an ideal lithium battery negative electrode material. By spherical treatment to natural graphite, the inherent shortcomings of flake graphite, such as large specific surface area, low specific capacity and poor rate performance, can be solved, thereby optimizing the performance of negative electrode material.

[0003] The spheroidization principle of natural flake graphite: when natural flake graphite particles are placed in the spheroidizer, they will be subjected to a series of mechanical actions such as collision, shearing and friction. Under these actions, the internal structure of the originally large flake graphite particles will deform plastically, and then gradually evolve into spherical or spherical-like particle morphology. The whole process mainly relies on the bending, folding and sliding of the graphite layer structure under the influence of mechanical force to achieve spheroidization effect. Under this mechanism, the hammer head and grinding disc of the crushing equipment are severely worn, which increases the wear of the grinding disc parts, reduces the service life of the vulnerable parts, reduces the crushing efficiency and increases the production cost. SUMMARY

[0004] The utility model discloses in order to solve the problem that the hammer head and grinding disc of the crushing equipment are severely worn in the graphite crushing process, and further puts forward a kind of grinding disc based on air dynamics optimization of crushing equipment.

[0005] The utility model discloses a technical scheme adopted to solve the above technical problems:

[0006] A kind of grinding disc based on air dynamics optimization of crushing equipment, including grinding disc main part, multiple hammer head abrasive blocks, multiple wear-resistant strips and multiple guide vanes, grinding disc main part is disc, the edge of the upper disc surface of grinding disc main part is uniformly connected with multiple hammer head abrasive blocks along circumferential direction, multiple wear-resistant strips are uniformly connected with the upper disc surface of grinding disc main part along circumferential direction, each wear-resistant strip is respectively arranged along radial direction, multiple guide vanes are uniformly connected with the lower disc surface of grinding disc main part along circumferential direction, and guide vane is spiral circular arc surface.

[0007] Further, the flattened shape of the guide vane is a right trapezoid.

[0008] Further, the middle part of the grinding disc main part is vertically inserted with a shaft sleeve.

[0009] Further, the outer side of the shaft sleeve of the lower disc surface of the grinding disc main part is fixedly connected with a shaft sleeve convex disc.

[0010] Further, the inner end of the guide vane is tangent to the outer circumferential sidewall of the shaft sleeve convex disc.

[0011] Further, the outer end of each wear-resistant strip is provided with a hammerhead grinding block, and a filling grinding block is arranged between the outer end of the wear-resistant strip and the inner end of the hammerhead grinding block.

[0012] Further, the edge of the upper surface of the grinding disc body is uniformly provided with a plurality of mounting grooves in the circumferential direction, and each mounting groove is arranged in the radial direction.

[0013] Further, the mounting groove is a dovetail groove, and the lower end of the hammerhead grinding block is provided with a dovetail sliding block inserted into the mounting groove.

[0014] Further, a grinding block through hole is formed in the hammerhead grinding block, a screw hole is formed in the grinding disc body below the grinding block through hole, a bolt is arranged in the grinding block through hole, and the end of the bolt is threadedly connected with the screw hole.

[0015] Further, the wear-resistant strip and the guide vane are respectively welded to the grinding disc body.

[0016] The utility model discloses compared with prior art contains the beneficial effect is:

[0017] The utility model discloses a grinding equipment grinding disc based on aeromechanics optimization, by increasing wear-resistant steel strip and air power guide vane on the upper and lower surfaces of the grinding disc respectively, the wear resistance of the grinding disc can be increased, the service life of the grinding disc parts can be prolonged, the use power of the subsequent fan can be reduced, thereby achieving the effect of saving production cost.

[0018] The utility model discloses a grinding equipment grinding disc based on aeromechanics optimization, by increasing wear-resistant steel strip and air power guide vane on the upper and lower surfaces of the grinding disc respectively, the wear resistance of the grinding disc can be increased, the service life of the grinding disc parts can be prolonged, the use power of the subsequent fan can be reduced, thereby achieving the effect of saving production cost. DRAWINGS

[0019] Figure 1 It is the main view structural schematic diagram of the whole structure of the utility model;

[0020] Figure 2 It is the main view structural schematic diagram of the whole structure of the utility model;

[0021] Figure 3 It is the main view structural schematic diagram of the whole structure of the utility model. CONCRETE IMPLEMENTATION

[0022] In order to make the technical problems, technical schemes and beneficial effects solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and not to limit the utility model.

[0023] Specific implementation one: in combination Figures 1 to 3 In this embodiment, the grinding disc body 1 is provided with a plurality of hammer head grinding blocks 2, a plurality of wear-resistant strips 5 and a plurality of guide vanes 10. The grinding disc body 1 is disc-shaped, and a plurality of hammer head grinding blocks 2 are uniformly and fixedly connected to the edge of the upper disc surface of the grinding disc body 1 in the circumferential direction. A plurality of wear-resistant strips 5 are uniformly and fixedly connected to the upper disc surface of the grinding disc body 1 in the circumferential direction, and each wear-resistant strip 5 is arranged in the radial direction. A plurality of guide vanes 10 are uniformly and fixedly connected to the lower disc surface of the grinding disc body 1 in the circumferential direction, and the guide vanes 10 are spiral arc curved surfaces.

[0024] In this embodiment, the wear-resistant strips 5 are arranged on the upper disc surface of the grinding disc body 1, and the guide vanes 10 are arranged on the lower disc surface of the grinding disc body 1, so as to increase the wear resistance of the grinding disc, prolong the service life of the grinding disc, and reduce the power consumption of the subsequent fan, thereby achieving the effect of saving production cost.

[0025] In this embodiment, the wear-resistant strips 5 are steel strips, so as to ensure the rigidity and increase the wear resistance.

[0026] In this embodiment, the guide vanes 10 are made of metal material, and can be made of high-strength corrosion-resistant alloy (such as 304 / 316 stainless steel, titanium alloy or nickel-based alloy). The specific material is selected according to the application environment. The thickness of the guide vanes 10 is 1-5 mm, the root can be thickened to resist bending, and the tip can be thinned to reduce resistance. The curvature of the guide vanes 10 is 15-45 degrees to balance the pressure loss and the guide efficiency. The surface of the guide vanes 10 can be selected to be electrolytically polished, coated with PTFE or treated with nitriding to reduce the friction coefficient and improve the anti-cavitation ability.

[0027] Specific implementation two: in combination Figures 1 to 3 In this embodiment, the flattened shape of the guide vanes 10 is a right trapezoid. The technical features not described in this embodiment are the same as those in specific implementation one.

[0028] In this embodiment, the guide vanes 10 utilize the principle of aerodynamics, can efficiently transport the mixture of gas and material to the crushing area, can effectively overcome various resistances in the fluid motion process, resist the wind resistance and material backflow generated in the crushing area, and other conditions that are not conducive to fluid motion, can increase the classification efficiency of the equipment, reduce the power consumption of the subsequent fan, and effectively save the production cost.

[0029] Specific implementation three: in combinationFigures 1 to 3 The embodiment is described, the shaft sleeve 7 is vertically inserted in the middle of the mill disc body 1. The technical features not described in this embodiment are the same as those in the first embodiment.

[0030] The shaft sleeve 7 in this embodiment is used for assembly with other equipment.

[0031] Specific embodiment four: combination Figures 1 to 3 The embodiment is described, the shaft sleeve 7 is vertically inserted in the middle of the mill disc body 1. The technical features not described in this embodiment are the same as those in the first embodiment.

[0032] In this embodiment, by clamping the shaft sleeve 7 and the shaft sleeve convex disc 9 outside it on the bearing of the crushing equipment, after other assembly is completed, the spherical graphite crushing and shaping function can be performed.

[0033] Specific embodiment five: combination Figures 1 to 3 The embodiment is described, the inner side end of the guide vane 10 is tangent to the outer circumferential side wall of the shaft sleeve convex disc 9. The technical features not described in this embodiment are the same as those in the fourth embodiment.

[0034] In this embodiment, the setting of the guide vane 10 can form a cyclone wind, so that the axial airflow is rotated to form a rotating jet. Since the center of the rotating jet is in a negative pressure area, it can induce a large amount of air around it to mix with it, and then send it to the working area.

[0035] Specific embodiment six: combination Figures 1 to 3 The embodiment is described, the outer end of each wear-resistant strip 5 is provided with a hammer head grinding block 2, and the outer end of the wear-resistant strip 5 and the inner end of the hammer head grinding block 2 are provided with a filling grinding block 4, and the filling grinding block 4 is fixedly connected with the hammer head grinding block 2. The technical features not described in this embodiment are the same as those in the first embodiment.

[0036] The number of hammer head grinding blocks 2 is twice the number of wear-resistant strips 3. Both wear resistance and sufficient shaping space are ensured.

[0037] Specific embodiment seven: combination Figures 1 to 3 The embodiment is described, the edge of the upper surface of the mill disc body 1 is uniformly provided with a plurality of installation grooves 6 in the circumferential direction, each installation groove 6 is arranged in the radial direction, and each hammer head grinding block 2 is inserted into one installation groove 6. The technical features not described in this embodiment are the same as those in the first embodiment.

[0038] Specific embodiment eight: combination Figures 1 to 3In this embodiment, the mounting groove 6 is a dovetail groove, and the lower end of the hammer grinding block 2 is provided with a dovetail slider, which is inserted into the mounting groove 6. Technical features not described in this embodiment are the same as in specific embodiment seven.

[0039] In this embodiment, the hammer grinding block 2 and the grinding disc body 1 are connected by a plug-in connection, which facilitates installation and disassembly, and makes it easy to replace when the hammer grinding block 2 is worn.

[0040] Specific Implementation Method Nine: Combining Figures 1 to 3 In this embodiment, the hammerhead grinding block 2 has a grinding block through hole 3, and the grinding disc body 1 below the grinding block through hole 3 has a corresponding screw hole 8. A bolt is installed in the grinding block through hole 3, and the end of the bolt is threadedly connected to the screw hole 8. Technical features not described in this embodiment are the same as in specific embodiment eight.

[0041] In this embodiment, the hammer grinding block 2 and the grinding disc body 1 are fixed by a detachable connection.

[0042] Specific Implementation Method Ten: Combining Figures 1 to 3 Figures 1 to 3 In this embodiment, the wear-resistant strip 5 and the guide vane 10 are welded and fixed to the grinding disc body 1. Technical features not described in this embodiment are the same as in specific embodiment one.

[0043] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A pulverizer mill plate based on aerodynamic optimization, characterized by: The application relates to a grinding disc body (1), a plurality of hammer head grinding blocks (2), a plurality of wear-resistant strips (5) and a plurality of guide vanes (10), wherein the grinding disc body (1) is disc-shaped, a plurality of hammer head grinding blocks (2) are uniformly and fixedly arranged on the edge of the upper disc surface of the grinding disc body (1) along the circumferential direction, a plurality of wear-resistant strips (5) are uniformly and fixedly arranged on the upper disc surface of the grinding disc body (1) along the circumferential direction, each wear-resistant strip (5) is arranged along the radial direction, a plurality of guide vanes (10) are uniformly and fixedly arranged on the lower disc surface of the grinding disc body (1) along the circumferential direction, and the guide vanes (10) are spiral circular arc surfaces.

2. The pulverizing equipment grinding disc based on aerodynamic optimization according to claim 1, characterized in that: The flattened shape of the guide vane (10) is a right-angled trapezoid.

3. The pulverizing equipment grinding table based on aerodynamic optimization according to claim 1, characterized in that: A shaft sleeve (7) is vertically inserted into the middle part of the grinding disc body (1).

4. The pulverizing equipment grinding table based on aerodynamic optimization according to claim 3, characterized in that: A shaft sleeve convex disc (9) is fixedly connected to the outer side of the shaft sleeve (7) of the lower disc surface of the grinding disc body (1).

5. The air-kinetically optimized pulverizing equipment mill pan of claim 4, wherein: The inner side end of the guide vane (10) is tangent to the outer circumferential side wall of the shaft sleeve convex disc (9).

6. The pulverizing equipment grinding table based on aerodynamic optimization according to claim 1, characterized in that: The outer end of each wear-resistant strip (5) is provided with a hammer head grinding block (2), and a filling grinding block (4) is arranged between the outer end of the wear-resistant strip (5) and the inner side end of the hammer head grinding block (2), and the filling grinding block (4) is fixedly connected with the hammer head grinding block (2).

7. The pulverizing equipment grinding table based on aerodynamic optimization according to claim 1, characterized in that: A plurality of installation grooves (6) are uniformly and arranged on the edge of the upper disc surface of the grinding disc body (1) along the circumferential direction, each installation groove (6) is arranged along the radial direction, and each hammer head grinding block (2) is inserted into one installation groove (6).

8. The attrition disc of an air-kinetically optimized pulverizing device according to claim 7, characterized in that: The installation groove (6) is a dovetail groove, the lower end of the hammer head grinding block (2) is provided with a dovetail sliding block, and the dovetail sliding block is inserted into the installation groove (6).

9. The air-kinetically optimized pulverizing equipment mill pan of claim 8, wherein: A grinding block through hole (3) is arranged on the hammer head grinding block (2), a screw hole (8) is arranged below the grinding block through hole (3) on the grinding disc body (1), a bolt is arranged in the grinding block through hole (3), and the tail end of the bolt is threadedly connected with the screw hole (8).

10. The attrition mill grinding pan based on aerodynamic optimization as claimed in claim 1 wherein: The wear-resistant strip (5) and the guide vane (10) are respectively welded with the grinding disc body (1).

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