CN201841032U - Grinding tube - Google Patents

Abstract

The utility model relates to ultrafine powder grinding equipment, in particular to a grinding tube, which comprises an outer layer main tube body, an inner layer grinding tube body and a motive power device, wherein a stirring main shaft is arranged at the central axis part of the inner layer grinding tube body, a plurality of grinding disc sheets are fixedly arranged on the stirring main shaft, the stirring main shaft is connected with the motive power device, an auxiliary grinding nail is arranged between two adjacent grinding disc sheets, each auxiliary grinding nail comprises a gasket and a screw, and the gasket is fixed on the inner wall of the inner layer grinding tube body by the screw. The grinding tube has the beneficial effects that the whole mechanical structure is more stable and reliable, the safety factor is greatly improved, the grinding efficiency is improved through the adoption of the auxiliary grinding nails, and the effect is better. Meanwhile, the lining grinding tube and the auxiliary grinding nails are made of polyurethane or ultra high molecular weight polyethylene, the polyurethane or the ultra high molecular weight polyethylene has certain elasticity, so the excessive grinding of the materials can be effectively avoided, and the use safety of grinding materials is ensured.

Description

a grinding cylinder

technical field

The utility model relates to ultrafine powder grinding equipment, in particular to a grinding cylinder.

Background technique

The current grinding cylinder is provided with a stirring main shaft, and a plurality of grinding discs for stirring the grinding media and the raw material particles are fixedly sleeved on the stirring main shaft. The grinding cylinder mainly grinds the raw material through the high-speed rotation of the grinding disc and the friction between the raw material particles and the grinding medium. Due to the structure of the grinding cylinder, the raw material particles and the grinding medium can only rub against the surface of the grinding disc and the tangent of its circumference. , so the grinding efficiency is low and the effect is not good. Some grinding cylinders are equipped with grinding pins. Since the cylinder body and grinding pins are made of stainless steel or similar materials, the shearing force on the materials during the crushing process is strengthened. Although the grinding efficiency is improved, the materials are easily crushed excessively, reaching nanometer size. level. According to the research conclusions of relevant foreign experts and scholars, nanomaterials, especially nanomaterials that are in direct contact with the human body, may pose potential hazards to the human body, so the application of similar devices in the fields of medicine, food and cosmetics is limited.

Contents of the invention

In order to solve the above-mentioned technical problems of low grinding efficiency, poor grinding effect and excessive grinding, the utility model provides a grinding cylinder with sufficient grinding and good effect.

The technical scheme of the utility model is as follows:

A grinding cylinder, comprising an outer main cylinder body, an inner layer grinding cylinder body and a power device, a stirring main shaft is arranged at the center axis of the inner layer grinding cylinder body, and a plurality of grinding discs are fixedly arranged on the stirring main shaft, and the stirring The main shaft is connected with a power device, and a grinding aid nail is arranged between the two adjacent grinding discs, and the grinding aid nail includes a liner and a screw, and the liner is fixed on the inner wall of the inner grinding cylinder by the screw.

The grinding aid pins are symmetrically arranged along the cylinder wall with the stirring spindle as the center, so that the structure between the outer main cylinder and the inner grinding cylinder is more stable and sufficient supporting force is ensured.

The outer main cylinder is made of stainless steel, which protects the inner grinding cylinder with sufficient strength and prolongs the service life.

The inner grinding cylinder is made of polyurethane or ultra-high molecular polyethylene. The material itself has certain elasticity, so it not only has the characteristics of wear resistance, high strength, light weight and high temperature resistance, but also can effectively prolong the service life of the grinding cylinder , and can avoid excessive grinding of materials, and the integral molding of the cylinder is convenient and quick.

The liner is a polyurethane or ultra-high molecular polyethylene liner, which reduces the contact area between the screw and the material and avoids excessive grinding of the material.

With the technical solution of the utility model, the overall mechanical structure is more stable and reliable, and the safety factor is greatly improved, and the use of the grinding aid nails improves the grinding efficiency and the effect is better. At the same time, because the material used for the lining grinding cylinder and the grinding aid pin is polyurethane or ultra-high molecular polyethylene, which has certain elasticity, it can effectively avoid excessive grinding of the material and ensure the safety of the grinding material.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a schematic diagram of the structure along the direction A of Fig. 1 .

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Example

As shown in Figure 1, a grinding cylinder includes an outer main cylinder 2 and an inner grinding cylinder 1, the outer main cylinder 2 is made of stainless steel, and the inner grinding cylinder 1 is made of polyurethane Or an ultra-high molecular polyethylene cylinder, the central axis of the inner layer grinding cylinder 1 is provided with a stirring spindle 3, and a plurality of grinding discs 4 are fixed on the stirring spindle 3, and the stirring spindle 3 is connected to a power device. Between two adjacent grinding discs 4, there is a grinding-aid nail, which includes a liner 6 and a screw 5, and the liner 6 is fixed on the inner wall of the inner grinding cylinder 1 by the screw 5. The grinding pins are arranged symmetrically along the cylinder wall with the stirring spindle 3 as the center, and there is a small gap between the grinding pins and the grinding disc 4, so that the grinding disc 4 has strong force and uniform distribution during grinding. The characteristics ensure the safe operation of the grinding equipment, and the polyurethane or ultra-high molecular polyethylene liner 6 avoids excessive grinding of the material.

The inner grinding cylinder body 1 is integrally formed.

When in use, load the material, start the power device, and turn off the power device after a certain period of time, and the material can be taken out after grinding.

Claims (6)

1. A grinding cylinder, comprising an outer main cylinder (2), an inner grinding cylinder (1) and a power unit, the central axis of the inner grinding cylinder (1) is provided with a stirring spindle (3) , a plurality of grinding discs (4) are fixed on the stirring main shaft (3), and the stirring main shaft (3) is connected with a power device, and it is characterized in that: there is a grinding aid between the two adjacent grinding discs (4) Nails, the grinding aid nails include a liner (6) and a screw (5), the liner (6) is fixed on the inner wall of the inner grinding cylinder (1) by the screw (5). 2. A grinding cylinder according to claim 1, characterized in that the grinding aid pins are symmetrically arranged along the cylinder wall with the stirring spindle (3) as the center. 3. A grinding cylinder according to claim 1, characterized in that: the outer main cylinder (2) is made of stainless steel. 4. A grinding cylinder according to claim 1, characterized in that: the inner grinding cylinder (1) is a cylinder of polyurethane or ultra-high molecular weight polyethylene. 5. A grinding cylinder according to claim 4, characterized in that: the inner grinding cylinder body (1) is integrally formed. 6. A grinding cylinder according to claim 1, characterized in that: the liner is a polyurethane or ultra-high molecular polyethylene liner.

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