CN202097861U - Fine rubber pulverizing machine - Google Patents

Abstract

The utility model discloses a fine rubber pulverizing machine, which belongs to the field of a waste tire handling machine and comprises a machine frame, a driving device, a transmission device, a pulverizing device and a feeding hopper; the driving device, the transmission device and the pulverizing device are all arranged on the machine frame; the driving device drives a pulverizing movable cutter set in the pulverizing device through the transmission device; the feeding hopper is arranged on the pulverizing device and a discharging port is arranged at the lower end of the pulverizing device; the pulverizing device is composed of a pulverizing chamber, a movable cutter set, a stationary cutter set and a screen, a feeding port connected with the feeding hopper is arranged at the upper end of the pulverizing chamber, the discharging port is arranged at the lower end of the pulverizing chamber, the screen is arranged on the discharging port, and the aperture of the sieve mesh of the screen is 2.5-3mm; the movable cutter set is arranged in the pulverizing chamber and corresponds to the stationary cutter set on the inner wall of the pulverizing chamber and a gap is formed between the movable cutter set and the stationary cutter set. The rubber particles entering the pulverizing device can be pulverized by the tearing force generated by the movable cutter set and the stationary cutter set in staggered state, additionally, steel wires wrapped in the rubber particles can be separated from the rubber during pulverizing.

Description

Rubber fine grinder

technical field

The utility model relates to the field of waste tire processing machinery, in particular to a rubber fine pulverizer for processing waste tires. the

Background technique

At present, with the development of my country's economy, the production and sales of automobiles are increasing day by day, and the increase of waste tires has caused environmental pressure. The resource utilization of waste tires not only solves environmental protection problems, but also alleviates the demand for rubber raw materials. Now the shredding of old tires generally borrows the shredders used in other industries, and there is no dedicated corresponding equipment. Among the equipment used by various manufacturers, some crushing particle size cannot meet the requirements, some crushing efficiency is low, and some equipment cutters wear seriously, thus restricting the processing capacity of waste tires. the

Utility model content

The embodiment of the utility model provides a rubber fine pulverizer, which can conveniently pulverize the rubber particles obtained after coarse pulverization of waste tires to form fine rubber powder, which is easy to operate, fast in crushing speed and high in efficiency. the

The purpose of this utility model is achieved through the following technical solutions:

The embodiment of the utility model provides a rubber fine pulverizer, including:

Frames, drives, transmissions, pulverizers and feed hoppers;

The driving device, the transmission device and the pulverizing device are all arranged on the frame;

The driving device drives the moving knife group for crushing in the crushing device through the transmission device; the crushing device is provided with a feeding hopper, and the lower end of the crushing device is provided with a discharge port;

The crushing device is composed of a crushing chamber, a moving knife group, a fixed knife group and a screen. The upper end of the crushing chamber is provided with a feed port connected to the feeding hopper, and the lower end is provided with a discharge port. A screen is arranged on the discharge port. Net, the sieve aperture of the sieve is 2.5 ~ 3mm;

A moving knife set is arranged in the crushing chamber, and the moving knife set is corresponding to the fixed knife set arranged on the wall of the crushing chamber. There is a gap between the blade of the moving knife set and the blade of the fixed knife set. The crushing gap between the blades of the group is 3.5 to 5 mm. the

It can be seen from the technical solution provided by the embodiment of the utility model that in the embodiment of the utility model, the cutter group in the crushing device is driven by the driving device through the transmission device, and the tearing effect of the cutter group can be used to enter the crushing chamber device. The rubber granules are crushed. Since a sieve with a sieve hole diameter of 2.5 to 3 mm is set on the discharge port of the crushing device, the crushed rubber particles between the blades of the movable knife group and the fixed knife group can be 2.5 to 3 mm. The 12mm rubber particles can be crushed into 2.5-3mm rubber fine particles, and the steel wire wrapped in the particles can be separated from the rubber during the crushing process. The equipment has the advantages of simple structure, convenient operation, rapid crushing, high efficiency and extended tool life. the

Description of drawings

Fig. 1 is the front schematic diagram of the rubber pulverizer that the utility model embodiment provides;

Fig. 2 is the side view schematic diagram of the rubber pulverizer that the utility model embodiment provides;

Fig. 3 is a partially enlarged schematic diagram of the pulverizing chamber of the rubber fine pulverizer provided by the embodiment of the present utility model. the

Detailed ways

Below in conjunction with specific embodiment the utility model is further described. the

The embodiment of the utility model provides a rubber fine pulverizer, including: a frame, a driving device, a transmission device, a pulverizing device and a feeding hopper;

The driving device, the transmission device and the pulverizing device are all arranged on the frame;

The driving device drives the moving knife group for crushing in the crushing device through the transmission device; the crushing device is provided with a feeding hopper, and the lower end of the crushing device is provided with a discharge port;

The crushing device is composed of a crushing chamber, a moving knife group, a fixed knife group and a screen. The upper end of the crushing chamber is provided with a feed port connected to the feeding hopper, and the lower end is provided with a discharge port. A screen is arranged on the discharge port. The aperture of the sieve mesh is 2.5-3mm; the crushing chamber is equipped with a moving knife set corresponding to the fixed knife set on the wall of the crushing chamber, and the blade of the moving knife set is connected to the fixed knife set. There is a gap between the blades. the

In the rubber fine pulverizer mentioned above, the moving knife group of the pulverizing device includes:

Shaft, tool holder, multiple bolts and multiple knives;

The rotating shaft is connected to the transmission device and can rotate in the crushing chamber. The knife seat is fixedly arranged on the rotating shaft. A plurality of knives are uniformly arranged on the outer periphery of the knife seat through a plurality of bolts, and the knives can be adjusted on the knife seat through the bolts. The length of the protruding blade. the

In the rubber fine pulverizer mentioned above, there are multiple knife holders, and each knife holder adopts a multi-angle star-shaped knife holder. Staggered settings. the

In the rubber fine pulverizer mentioned above, the fixed knife group is composed of a plurality of fixed knives, and each fixed knife includes:

Tool holders, bolts and knives;

The knife holder is fixedly arranged on the inner wall of the pulverizing chamber, the cutter is arranged on the knife holder through bolts, and the length of the knife protruding from the blade on the knife holder can be adjusted through the bolts. the

In the rubber fine pulverizer mentioned above, the plurality of fixed knives of the fixed knife group are evenly distributed and fixedly arranged on the inner wall of the pulverizing chamber of the pulverizing device. the

In the rubber fine pulverizer mentioned above, the screen is arranged in an arc shape on the discharge port at the lower end of the crushing chamber, and the surface of the screen is used as the bottom surface of the crushing chamber. the

In the rubber fine pulverizer mentioned above, the driving device is an electric motor or an engine. the

In the rubber fine pulverizer mentioned above, the transmission device adopts a belt type transmission device. the

In the rubber fine pulverizer mentioned above, the pulverizing equipment further includes: a cooling device, which is arranged on the frame, and its cooling end corresponds to the pulverizing chamber of the pulverizing device. the

In the rubber fine pulverizer mentioned above, the cooling device adopts a circulating water cooling device, and its water spray end corresponds to the movable knife group, the fixed knife group and the pulverized rubber particles in the pulverizing chamber of the pulverizing device. the

Example

This embodiment provides a rubber fine pulverizer, which is used in the processing of waste tires. It can pulverize waste rubber blocks below 12 mm into rubber fine blocks below 3.5 mm at room temperature, so as to prepare for the next fine crushing process. Prepare. As shown in Figures 1 to 3, the rubber fine pulverizer includes: a frame 1, a driving device 2, a transmission device 3, a pulverizing device 4, and a feed hopper 5; wherein, the driving device 2 can be an electric motor or an engine for convenient control Electric motors are often used; the transmission device 3 can use a belt-type transmission device;

In this rubber fine pulverizer, the driving device 2, the transmission device 3 and the pulverizing device 4 are all arranged on the frame 1, and the driving device 2 drives the pulverizing tool set in the pulverizing device 4 to rotate through the transmission device 3 to carry out the grinding of the incoming rubber particles. For crushing, a feed hopper 5 is arranged on the crushing device 4, and a discharge port is arranged at the lower end of the crushing device 6. the

As shown in Figures 2 and 3, the crushing device 4 in the above-mentioned rubber fine grinder includes: a crushing chamber 6, a moving knife group, a fixed knife group and a screen 14; The feed inlet is provided with a discharge port at the lower end; a screen 14 is arranged at the discharge port, and the screen 14 is arranged in an arc shape outside the discharge port at the lower end of the crushing chamber 6, and the surface of the screen 14 is used as the bottom surface of the crushing chamber 6, The aperture of the sieve can be selected to be less than or equal to 2.5 ~ 3mm. In practice, a screen of a certain aperture can be selected according to the particle size of the rubber particles to be crushed;

A moving knife group is arranged in the crushing chamber 6, and the moving knife group is composed of a rotating shaft 7, a knife seat 8, a bolt 10 and a cutter 9; The other end is connected with the transmission device 3, and can rotate in the crushing chamber 6 under the drive of the drive device 2 through the transmission device 3. The rotating shaft 7 is suspended in one end of the crushing chamber and is overlapped with a plurality of fixedly arranged knife seats 8, each The tool holder 8 can adopt a polygonal star tool holder, and the protruding angles of each polygonal star tool holder are staggered, and a cutter 9 can be set at each protruding angle of each polygonal star tool holder through a bolt 10, which can be adjusted by the bolt. Cutter 9 stretches out the length of the blade on the polygonal star-shaped knife rest; the moving knife group is corresponding to a plurality of fixed knife groups evenly distributed on the inner wall of the crushing chamber 6, and the blade of the moving knife group is kept between the blades of the fixed knife group. With a certain crushing gap, when the moving knife group rotates, it can form a shear force for crushing rubber with the fixed knife group; each fixed knife group is composed of a number of fixed knives evenly distributed on the wall of the crushing chamber, The knives are all composed of a knife rest 11, a bolt 13 and a knife 12; the knife rest 11 is fixedly arranged on the inner wall of the crushing chamber 6, and the knife 12 is arranged on the knife rest 11 by the bolt 13, and the knife 14 can be adjusted on the knife rest 11 by the bolt 13 The length of the protruding blade; the crushing gap between the knives of the moving knife group and the knives of the fixed knife group can be set according to the particle size of the rubber particles to be crushed. When adjusting, the protruding length of the power group cutter can be adjusted. Or adjust the protruding length of the fixed force group cutter to adjust the crushing gap between the cutter of the fixed cutter group and the cutter of the moving cutter group. the

The knives of the moving knife group and the fixed knife group in the above-mentioned crushing device can all be made of hard alloy steel, and a certain angle can also be formed between the cutters of the moving knife group and the fixed knife group, which is more convenient for rubber particles. Crush to achieve better crushing effect. the

Due to the nature of the rubber material, pulverization at room temperature requires that the temperature of the rubber be kept at a reasonable level. A cooling device (not shown) can also be provided in the above-mentioned rubber fine pulverizer. Corresponding to the crushing chamber, a circulating water cooling device can be used. The circulating water cooling device can cool down the cutter and rubber particles during the crushing process, so as to avoid the adverse effects of excessive temperature on the equipment and the crushed rubber particle materials. the

According to actual needs, an electrical control device can be installed to realize automatic control of each electrical component, improve the automation of the equipment, and improve the crushing efficiency. the

The rubber fine pulverizer mentioned above can pulverize waste rubber blocks below 12mm into rubber fine blocks below 3.5mm at room temperature, making preparations for the next fine crushing process. The specific working process is as follows:

Put the rubber particle material to be crushed into the crushing device of the crushing equipment through the hopper, and in the crushing chamber of the crushing device, it will be crushed by continuous shearing when the rotating movable knife set and the fixed knife set are interlaced. , and finally fall into the sieve below the crushing chamber. The particles that meet the filter conditions of the screen leave the crushing chamber, enter the discharge port, and reach the output device that feeds to the next process. As for the particles that do not pass through the sieve, due to the small gap between the moving knife set and the sieve, the passive knife set will be brought back to the crushing chamber to continue crushing until it passes the sieve. In practice, one end of the rotating shaft carrying the moving knife group is floated in the crushing chamber, and the other end is fixed on the bearing seat, which can prevent the shaft from being squeezed to death when the shaft deforms in the axial direction, causing the transmission to fail. the

In summary, the rubber fine pulverizer in the embodiment of the utility model is simple in structure, easy to operate, utilizes the tearing effect between the knives, and under the action of a screen with a sieve diameter of 2.5 to 3 mm, the crushing device can be The rubber particles in the crushing chamber are crushed into particles below 3.5mm, and during the crushing process, the steel wire wrapped in the particles can be separated from the rubber, which has the advantages of rapid crushing, high efficiency, and prolonging the service life of the tool. the

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any person familiar with the technical field can easily think of All changes or replacements should fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims. the

Claims (10)

1. a rubber slimer is characterized in that, comprising:

Frame, drive unit, transmission device, reducing mechanism and feed hopper;

Said drive unit, transmission device and reducing mechanism all are arranged on the frame;

Movable cutter set is used in the pulverizing of said drive unit in the actuator drives reducing mechanism; On the said reducing mechanism feed hopper is set, the reducing mechanism lower end is provided with discharging opening;

Said reducing mechanism is made up of pulverizing chamber, movable cutter set, stationary knife group and screen cloth, is provided with the charging aperture that links to each other with feed hopper in the pulverizing chamber upper end, and the lower end is provided with discharging opening, on the said discharging opening screen cloth is set, and the aperture of the sieve aperture of said screen cloth is 2.5～3mm; In the said pulverizing chamber movable cutter set is set, the stationary knife group that is provided with on movable cutter set and the pulverizing chamber inwall is corresponding, is provided with the gap between the blade of the blade of movable cutter set and stationary knife group.

2. rubber slimer according to claim 1 is characterized in that, the movable cutter set of said reducing mechanism comprises:

Rotating shaft, tool rest, a plurality of bolt and a plurality of cutter;

Rotating shaft is connected with transmission device, can in pulverizing chamber, rotate, and tool rest is fixedly installed in the said rotating shaft, through a plurality of bolts a plurality of cutters is set evenly on the periphery of tool rest, can adjust said cutter stretches out blade on said tool rest length through bolt.

3. rubber slimer according to claim 2 is characterized in that said tool rest is a plurality of, and each tool rest all adopts polygonal star knife rest, and a plurality of polygonal star knife rests all are arranged in the rotating shaft, all interleaved setting in the outstanding angular position of each polygonal star knife rest.

4. rubber slimer according to claim 1 is characterized in that, said stationary knife group is made up of a plurality of stationary knifes, and each stationary knife comprises:

Knife rest, bolt and cutter;

Knife rest is fixedly installed on the said pulverizing chamber inwall, and said cutter is arranged on the said knife rest through bolt, can adjust said cutter stretches out blade on said knife rest length through bolt.

5. rubber slimer according to claim 4 is characterized in that, a plurality of stationary knifes of said stationary knife group evenly distribute on the inwall of the pulverizing chamber that is fixedly installed on said reducing mechanism.

6. rubber slimer according to claim 1 is characterized in that, said screen cloth is curved to be arranged on the discharging opening of pulverizing chamber lower end, and the face of said screen cloth is as the bottom surface of pulverizing chamber.

7. rubber slimer according to claim 1 is characterized in that, said drive unit adopts motor or engine.

8. rubber slimer according to claim 1 is characterized in that, said transmission device adopts the belt-type transmission device.

9. according to each described rubber slimer of claim 1～5, it is characterized in that said disintegrating apparatus also comprises: cooling device, be arranged on the frame, its colling end is corresponding with the pulverizing chamber of reducing mechanism.

10. rubber slimer according to claim 9 is characterized in that, said cooling device adopts water-circulating cooling device, the rubber grain of movable cutter set, stationary knife group and pulverizing in the pulverizing chamber of the corresponding reducing mechanism of its water spray end.

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