CN207756227U - A kind of roller-plate disintegrator - Google Patents

Abstract

The utility model relates to a roller disc grinder for crushing metal minerals, industrial minerals, chemical minerals and energy minerals. , motor ⑼, feeding box ⑽, feeder ⑾, feeding pipe ⑿, body ⒀, hydraulic cylinder ⒁, reducer ⒂ and coupling ⒃ and other components. The characteristic is that the surface of the grinding disc ⑹ is conical, and the cone angle φ is 120°～179°, which is conducive to the passage of materials; the outer circumference is provided with raised ribs (63) to form a material layer ⑸ on it; the number is 1 indivual. The grinding roller ⑵ is located above the grinding disc ⑹, and is supported on the grinding roller frame ⑶ by a simply supported beam. The hydraulic cylinder ⒀ passes through the grinding roller frame ⑶ and is pressed on the grinding disc ⑹ with the pivot ⑷ as the fulcrum. Driven by the grinding disc ⑹ rotate. The surface shape of the grinding roller ⑵ is truncated cone, and the cone angle γ is 1°～60°; the ratio of its length to the diameter of the big end is greater than or equal to 1, so as to ensure that the material particles can be squeezed more times when passing through; the number 1 to 10. Compared with the cylinder mill, the roller disc mill has higher efficiency, and the higher pressure roller mill has a simple structure and is easy to operate and maintain.

Description

A roller disc grinder

technical field

The utility model relates to a roller-disk grinder used for crushing metal minerals, industrial minerals, chemical minerals and energy minerals.

Background technique

In the crushing operations of metal minerals, industrial minerals, chemical minerals and energy minerals at home and abroad, the crushing equipment widely used for a long time is gyratory crushers, cone crushers, jaw crushers and barrel mills (including rod mills, ball mills) , autogenous and semi-autogenous mills). Since the barrel mill is a probabilistic crushing equipment, the crushing probability is low, and most of the input energy is consumed in the process of heat generation, sound generation and vibration. The efficiency of the grinding process is low, and less than 5% is used for grinding, resulting in these crushing The process efficiency of equipment composition is low, and the crushing energy consumption is high. In recent years, efficient and energy-saving high-pressure roller mills have entered the field of mineral processing, but the equipment structure of high-pressure roller mills is complex, the requirements for crushing conditions are relatively strict, and the operation requirements are relatively high. This field lacks a kind of crushing equipment that not only has high crushing efficiency, but also is more convenient to operate and maintain.

Contents of the invention

In order to provide a crushing equipment with high crushing efficiency and easy operation and maintenance for mineral crushing operations, the utility model proposes a roller-disc crushing mill.

The technical solution adopted by the utility model to solve the technical problems is: the roller disc crusher is composed of grinding roller (2), grinding roller frame (3), pivot (4), grinding disc (6), electric motor (8), feeding box (9), feeder (1), It is composed of feeding pipe ⑾, machine body ⑿, hydraulic cylinder ⒀, reducer ⒁ and coupling ⒂, and is characterized in that: the grinding disc ⑹ is driven by the motor ⑻ and the reducer ⒁ below, and rotates around the vertical axis; the grinding roller ⑵ is located on the grinding disc The upper part of ⑹ is supported on the grinding roller frame ⑶ by a simply supported beam, and the hydraulic cylinder ⒀ passes through the grinding roller frame ⑶ to press on the grinding disc ⑹ with the pivot ⑷ as the fulcrum, and rotates under the drive of the grinding disc ⑹. The grinding roller (2) is composed of a roller body (21) and a roller sleeve (22), and the outer surface of the roller sleeve (22) is also the surface of the grinding roller (2); the surface shape of the grinding roller (2) is truncated cone, and the cone angle γ is 1° ~60°; the ratio of the length of the grinding roller (2) to the diameter of the big end is greater than or equal to 1; the number of grinding rollers (2) is 1 to 10. The grinding disc ⑹ is composed of the grinding disc body (61) and the grinding disc liner (62). The upper surface of the grinding disc liner (62) is also the surface of the grinding disc ⑹; the surface of the grinding disc ⑹ is conical, and the cone angle φ is 120°～179° , the center line of symmetry of the conical surface is also the center line of the vertical axis that it rotates around; a raised rib (63) is set on the outer circumference of the surface of the grinding disc (6), and the rib (63) is arranged on the outer circumference of the grinding disc liner (62) Above; the number of millstones ⑹ is 1.

When the roller disc crusher is working, the feed ⑴ is fed to the central area of the grinding disc ⑹ through the feeder ⑽, the feed box ⑼ and the feed pipe ⑾. The grinding disc ⑹ is driven by the motor ⑻, coupling ⒂ and reducer ⒁ installed below, and rotates around the vertical axis, driving the grinding roller ⑵ pressed on its surface to rotate together. The material fed to the central area of the grinding disc ⑹ moves around along the surface of the grinding disc ⑹ under the action of gravity and inertia, and passes between the surface of the grinding disc ⑹ and the grinding roller ⑵. A certain thickness of material layer (5) is formed on the surface of the grinding disc (6). Afterwards, it continues to run. On the one hand, the material layer (5) rotates together with the material grinding disc (6), and on the other hand, it is in the continuous process of continuously feeding materials from the center area of the grinding disc (6) and overflowing the grinding product (7) from the rib (63) on the outer circumference of the grinding disc (6) . The grinding roller (2) squeezes and rotates on the surface of the material layer (5) to crush the material. The conical surface of the grinding disc ⑹ is conducive to the passage and discharge of materials. The long diameter of the grinding roller ⑵ is relatively large. When the material particles pass through the surface of the grinding disc ⑹, more crushing times can be obtained. The way is conducive to the strong extrusion force on the material layer ⑸ under the action of the hydraulic cylinder ⒀.

The beneficial effect of the roller disc grinder of the utility model is that the roller disc grinder belongs to extrusion crushing equipment, and has a higher crushing probability and higher crushing efficiency than the drum mill. The structure of the roller disc crusher is relatively simple, the feeding and discharging are easy, and it is easy to operate, so the operation and maintenance of the high-pressure roller mill are convenient.

Description of drawings

Fig. 1 is a structural diagram of a roller disc grinder of the present invention.

Fig. 2 is a structural diagram of the grinding roller (2) of a roller disc crusher of the present invention.

Fig. 3 is a structural diagram of a grinding disc (6) of a roller disc crusher of the present invention.

In the figure: ⑴-feeding; ⑵-roller; ⑶-roller rack; ⑷-pivot; ⑸-material layer; ⑹-grinding disc; ⑺-product; ⑻-motor; Feeder; ⑾-feeding pipe; ⑿-body; ⒀-hydraulic cylinder; ⒁-reducer; ⒂-coupling.

Detailed ways

The utility model is an embodiment of a roller disc crusher, which consists of a grinding roller (2), a grinding roller frame (3), a pivot (4), a grinding disc (6), an electric motor (8), a feeding box (9), a feeding machine (1), a feeding pipe (1), and a machine body ⑿, hydraulic cylinder ⒀, reducer ⒁ and coupling ⒂ and other components are manufactured, as shown in Figure 1. The grinding table ⑹ is driven by the motor ⑻ and reducer ⒁ below, and rotates around the vertical axis; the grinding roller ⑵ is located above the grinding table ⑹, and is supported on the grinding roller frame ⑶ by a simple beam support, and is pivoted by the hydraulic cylinder ⒀ through the grinding roller frame ⑶. The shaft ⑷ is pressed on the millstone ⑹ as a fulcrum, and rotates under the drive of the millstone ⑹. The grinding roller (2) is composed of a roller body (21) and a roller sleeve (22). The outer surface of the roller sleeve (22) is also the surface of the grinding roller (2); the surface shape of the grinding roller (2) is truncated cone, and the cone angle γ is 10° ; The ratio of the length of the grinding roller (2) to the diameter of the big end is 1.2; the number of grinding rollers (2) is 4. The grinding disc ⑹ is composed of the grinding disc body (61) and the grinding disc liner (62). The upper surface of the grinding disc liner (62) is also the surface of the grinding disc ⑹; the surface of the grinding disc ⑹ is conical, and the cone angle φ is 170°. The center line of symmetry of the surface is also the center line of the vertical axis that it rotates around; a raised rib (63) is arranged on the outer circumference of the surface of the grinding disc (6), and the rib (63) is arranged on the outer circumference of the grinding disc liner (62); ⑹The quantity is 1 piece.

The completed roller disc crusher is used in a copper ore crushing and grinding operation. It is installed behind the primary jaw crusher and secondary cone crusher, and works in closed circuit with the vibrating screen. Feeding material ⑴ is fed to the central area on the grinding disc ⑹ through feeder ⑽, feeding box ⑼ and feeding pipe ⑾. The grinding disc ⑹ is driven by the motor ⑻, coupling ⒂ and reducer ⒁ installed below, and rotates around the vertical axis, driving the grinding roller ⑵ pressed on its surface to rotate together. The material fed to the central area of the grinding disc ⑹ moves around along the surface of the grinding disc ⑹ under the action of gravity and inertia, and passes between the surface of the grinding disc ⑹ and the grinding roller ⑵. A certain thickness of material layer (5) is formed on the surface of the grinding disc (6). Afterwards, it continues to run. On the one hand, the material layer (5) rotates together with the material grinding disc (6), and on the other hand, it is in the continuous process of continuously feeding materials from the center area of the grinding disc (6) and overflowing the grinding product (7) from the rib (63) on the outer circumference of the grinding disc (6) . The grinding roller (2) squeezes and rotates on the surface of the material layer (5) to crush the material.

The conical surface of the grinding disc ⑹ is conducive to the passage and discharge of materials. The long diameter of the grinding roller ⑵ is relatively large. When the material particles pass through the surface of the grinding disc ⑹, more crushing times can be obtained. The way is conducive to the strong extrusion force on the material layer ⑸ under the action of the hydraulic cylinder ⒀.

The roller disc mill belongs to the extrusion type crushing equipment, which has a higher crushing probability than the drum mill, so the crushing efficiency is higher. The structure of the roller disc crusher is relatively simple, the feeding and discharging are easy, and it is easy to operate, so the operation and maintenance of the high-pressure roller mill are convenient.

Claims (5)

1. a kind of roller-plate disintegrator, by grinding roller (2), grinding roller frame (3), pivot (4), mill (6), motor (8), feed box (9), feed Machine (10), feed pipe (11), body (12), hydraulic cylinder (13), (14) speed reducer with the shaft coupling parts composition such as (15), is characterized in that：Mill is (6) It is (8) (14) driven with speed reducer by the motor of lower section, is rotated around vertical shaft；(2) grinding roller is located at mill (6) top, with freely-supported beam support Mode be supported on grinding roller frame (3) on, by hydraulic cylinder (13) by grinding roller frame (3) with pivot (4) be fulcrum be pressed on mill (6) on, grinding It is rotated under the drive of disk (6).

2. a kind of roller-plate disintegrator according to claim 1, is characterized in that：The shape of grinding roller (2) is truncated cone shape, circular cone Angle γ is 1 °~60 °；The ratio of grinding roller length (2) and outside diameter is greater than or equal to 1；The quantity of grinding roller (2) is 1~10.

3. a kind of roller-plate disintegrator according to claim 1, is characterized in that：The surface of mill (6) is cone, circular cone Angle φ is 120 °~179 °；The symmetrical center line of the conical surface of mill (6) namely its vertical shaft center line around rotation； The rib (63) of protuberance is set on the surface excircle of mill (6)；The quantity of mill (6) is 1.

4. a kind of roller-plate disintegrator according to claim 2, is characterized in that：Grinding roller is (2) by roll body (21) and roller set (22) it forms, the surface of the outer surface i.e. grinding roller of roller set (22) (2).

5. a kind of roller-plate disintegrator according to claim 3, is characterized in that：Mill is (6) by mill body (61) and mill Liner plate (62) forms, and the surface of the upper surface i.e. mill of lining board for grinding discs (62) (6), rib (63) is arranged in lining board for grinding discs (62) on excircle.