CN110000966A - A kind of pulsed classification rubber pulverizing grinding device - Google Patents

Abstract

The invention relates to a pulse-type classification rubber crushing and grinding device, comprising a hydraulic tank a, a hydraulic tank b, a mixing cavity, a crushing cavity and a grinding cavity. The hydraulic tank a is communicated with the mixing cavity through a pipeline, and the mixing cavity is connected with the crushing cavity through a screw conveyor. The pulverizing cavity is provided with a pulverizing roller, the pulverizing cavity is provided with a screen, the pulverizing cavity is communicated with the grinding cavity, and the grinding cavity is provided with a grinding fixed roller and a grinding roller which are meshed with each other. The grinding roller is connected with the grinding motor through the cam; the grinding roller is also provided with a vortex tube, and the grinding chamber is also connected with the hydraulic tank b through the pipeline; the present invention is simple in structure, simple in operation, time-saving and labor-saving; the rubber is cooled by mixing liquid nitrogen and rubber , making the rubber easier to embrittle and facilitate crushing and grinding; the vortex tube is arranged in the grinding roller, the heat of the tool itself can be taken away through the vortex tube, and the life of the tool is prolonged; and the cam properties are used to realize pulsed reciprocating grinding and grinding. more refined.

Description

A pulse type classification rubber crushing and grinding device

technical field

The invention relates to the technical field of rubber processing, in particular to a pulse-type classification rubber pulverizing and grinding device.

Background technique

With the rapid development of industry, rubber has become an indispensable and important material in people's lives, and it has also brought a series of pollution problems. At present, the treatment of waste rubber is mainly through traditional incineration, which has caused great harm to the environment. Large pollution, in order to reuse waste rubber, catalyst cracking is usually used to decompose reusable oil or carbon black in waste rubber, but a large amount of waste gas will still be generated, which will pollute the environment, and in the process of crushing and grinding, the molecules between Internal stress is generated, which increases the temperature of the tool, causing the rubber to melt and adhere to the tool, thereby affecting the service life of the tool and the effect of grinding. At the same time rubber chips or particles can clog the screen. In addition, the prior art fails to achieve multiple pulverization and grinding, resulting in poor grinding effect.

SUMMARY OF THE INVENTION

In view of the deficiencies of the prior art, the present invention provides a pulse-type classification rubber pulverizing and grinding device, which can solve the problem of high temperature generated during the high-speed operation of the tool, prevent particles from clogging the screen, and realize the pulse-type reciprocating grinding to obtain the required The number of meshes is simple, the structure is simple, the design is reasonable, the power consumption is greatly reduced, the operation is simple, and time and effort are saved.

The technical scheme of the present invention is as follows: a pulse-type classification rubber crushing and grinding device, comprising a hydraulic tank a, a hydraulic tank b, a mixing chamber, a crushing chamber and a grinding chamber, the hydraulic tank a is communicated with the mixing chamber through a pipeline, and the The upper end of the mixing chamber is provided with a rubber feed port, and the lower end of the mixing chamber is provided with a rubber discharge port. The liquid nitrogen is input into the mixing chamber and mixed with the rubber through the hydraulic tank a, so that the rubber is more easily cooled and brittle and easy to crush. with grinding;

The rubber discharge port is communicated with the pulverizing cavity through the screw conveyor. The pulverizing cavity is provided with a pulverizing roller, and the pulverizing cavity at the lower end of the pulverizing roller is also provided with a screen. The pulverizing cavity It communicates with the grinding chamber through the discharge port at its lower end. The grinding chamber is provided with a grinding fixed roller and a grinding roller which are meshed with each other. Grinding, the grinding chamber is also communicated with the hydraulic tank b through the pipeline; and the grinding roller is also provided with a vortex tube, the upper end of the vortex tube is a cold air outlet, the lower part is a hot air outlet, and the vortex tube is It also communicates with a plurality of air ducts provided within the grinding roll.

Further, one end of the grinding roller is connected with a telescopic sleeve, the telescopic sleeve is connected with a bevel gear, a cam is arranged below the bevel gear, the cam is connected with a grinding motor, and grinding is realized by the cam. The pulsed graded grinding of the roller ensures the quality of grinding.

Further, a spring is also provided on the right side of the cam, and the spring is installed between the cam and the grinding roller.

Further, the pulverizing chamber is also connected with a blower through a pipeline, and the blower is arranged on the base through a bracket.

Further, a push plate is also provided on the screen, and the push plate is used to push the large-sized rubber to the guide slope inside the crushing cavity, and the guide slope is communicated with the blower, and the large-sized rubber is pushed by the blower. The rubber is blown between the rollers for re-grinding.

Further, a control switch a is arranged on the pipeline between the hydraulic tank a and the mixing chamber, and a switch b and a time relay are arranged on the pipeline between the hydraulic tank b and the grinding chamber.

Further, an air compressor is provided next to the hot air outlet at the lower part of the vortex tube, and the cold air generated by the operation of the air compressor flows through the air duct to the cold air outlet, taking away the heat generated by the tool, so as to protect the grinding rollers from The purpose of better grinding effect.

Further, the lower end of the grinding chamber is provided with a grinding outlet, and the ground rubber is discharged through the grinding outlet.

Further, the shape of the grinding fixed roller and the grinding roller is conical, the grinding roller is arranged in the grinding fixed roller and is engaged with the grinding fixed roller, and the upper end of the grinding fixed roller has a gap, and the gap is used as the grinding roller. Grinding feed port.

The beneficial effects of the present invention are:

1. The present invention is simple in structure, reasonable in design, strong in practicability, simple in operation, time-saving and labor-saving;

2. The mixing chamber of the present invention is connected with the hydraulic tank, and the rubber is cooled by mixing liquid nitrogen and rubber, so that the rubber is easier to embrittle and facilitate crushing and grinding;

3. The vortex tube is arranged in the grinding roller, and the vortex tube can take away the heat of the tool itself and prolong the life of the tool;

4. The present invention realizes pulse-type reciprocating grinding by adopting conical grinding rollers and utilizing the properties of cams, and the grinding is more fine;

5. In the present invention, by arranging a screen mesh and a blower, the large-size rubber that does not meet the requirements can be pulverized for many times through the cooperation of the two, which further improves the pulverization quality;

6. By setting the push plate on the screen, not only the problem of powder clogging the screen is solved, but also by pushing the large-sized rubber to the diversion port, it is convenient for the blower to blow the large-sized rubber to the grinding roller for re-grinding.

Description of drawings

Fig. 1 is the structural representation of the present invention;

2 is a schematic structural diagram of a grinding chamber of the present invention;

Fig. 3 is the structural representation of the grinding roller of the present invention;

In the figure, 1-hydraulic tank a, 2-mixing cavity, 3-screw conveyor, 4-grinding cavity, 5-grinding roller, 6-screen, 7-push plate, 8-grinding cavity, 9-grinding fixed Roller, 10-grinding roller, 11- telescopic sleeve, 12- bevel gear, 13- cam, 14- grinding motor, 15- hydraulic tank b, 16- blower, 17- switch a, 18- rubber feed port, 19 -Rubber outlet, 20-grinding inlet, 21-grinding outlet, 22-switch b, 23-time relay, 24-stand, 25-base, 26-spring, 27-vortex tube, 28-cold Air outlet, 29-air duct, 30-hot air outlet, 31-air compressor.

Detailed ways

The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings:

As shown in Figure 1, a pulse type classification rubber crushing and grinding device includes a hydraulic tank a1, a mixing chamber 2, a crushing chamber 3, a grinding chamber 8, and a hydraulic tank b15. The hydraulic tank a1 is communicated with the mixing chamber 2 through a pipeline. , so that the hydraulic pressure in the hydraulic tank a1 is input into the mixing chamber 2, the pipe between the hydraulic tank a1 and the mixing chamber 2 is provided with a switch a17, and the upper end of the mixing chamber 2 is provided with a rubber feed port 18, The lower end of the mixing chamber 2 is provided with a rubber discharge port 19, and the liquid nitrogen is input into the mixing chamber 2 through the hydraulic tank a1 to mix with the rubber, so that the rubber becomes more brittle after cooling and facilitates subsequent crushing and grinding.

The rubber outlet 19 is communicated with the pulverizing cavity 4 through the screw conveyor 3. The pulverizing cavity 4 is provided with a pulverizing roller 5, and the pulverizing cavity 4 at the lower end of the pulverizing drum 5 is also provided with a screen. Net 6, the pulverized rubber is preliminarily filtered through the screen mesh, the screen mesh 6 is also provided with a push plate 7, and the inner side wall of the crushing cavity 4 is also provided with 2 guide holes, 2 guide holes pass through The pipeline is communicated with the blower 16, the blower 16 is arranged on the base 25 through the bracket 24, and the large-sized rubber is pushed to the guide slope inside the crushing chamber 4 through the push plate 7. The hole is communicated with the blower 16, and the large-sized rubber is blown between the crushing rollers 5 through the blower 16 to be crushed again, thereby further improving the quality of crushing.

As shown in FIG. 2 , the grinding chamber 4 communicates with the grinding chamber 8 through the discharge port at its lower end, and the grinding chamber 8 is provided with a grinding fixed roller 9 and a grinding roller 10 which are meshed with each other. The shape of the fixed roller 9 and the grinding roller 10 is conical. The grinding roller 10 is arranged in the grinding fixed roller 9 and is engaged with the grinding fixed roller 9. The upper end of the grinding fixed roller 9 has a gap, and the gap is used for grinding. Feed port 20. One end of the grinding roller 10 is connected with a telescopic sleeve 11 , the telescopic sleeve 11 is connected with a bevel gear 12 , a cam 13 is arranged under the bevel gear 12 , and the cam 13 is connected with the grinding motor 14 , the cam 13 realizes the pulsed graded grinding of the grinding roller to ensure the quality of grinding. The right side of the cam 13 is also provided with a spring 26 , and the spring 26 is installed between the cam 13 and the grinding roller 10 . As shown in FIG. 3 , the grinding roller 10 is further provided with a vortex tube 27 . The upper end of the vortex tube 27 is the cold air outlet 28 , and the lower part is the hot air outlet 30 . An air compressor 31 is arranged beside the hot air outlet 30 at the lower part of the vortex tube 27. The vortex tube 27 is communicated with a plurality of air pipes 29 arranged in the grinding roller 10, and the cold air generated by the operation of the air compressor 31 flows through. The air duct 29 goes to the cold air outlet 28 to take away the heat generated by the tool, so as to achieve the purpose of protecting the grinding roller 10 for better grinding effect. The grinding chamber 8 is also communicated with the hydraulic tank b15 through a pipeline; the pipeline between the hydraulic tank b15 and the grinding chamber 8 is provided with a switch b22 and a time relay 23, which are like grinding rollers at intervals during grinding. Liquid nitrogen is sprayed on 10 to cool down the grinding roller 10 .

What is described in the above-mentioned embodiments and specification is only to illustrate the principle and best embodiment of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have various changes and improvements, and these changes and improvements all fall within the scope of the present invention. within the scope of the claimed invention.

Claims (10)

1. a kind of pulsed is classified rubber pulverizing grinding device, it is characterised in that: including hydraulic tank a, hydraulic tank b, mixing chamber, powder Broken chamber, grinding chamber, the hydraulic tank a are connected by pipeline with mixing chamber, the mixing chamber by screw conveyor with Crushing chamber is connected to, and crushing roller is provided in the crushing chamber, is additionally provided in the crushing chamber of the lower end for crushing roller Sieve, the crushing chamber are connected to by its lower end discharge port with grinding chamber, are provided in the grinding chamber mutually ratcheting Fixed roll and mixing roll are ground, the mixing roll is connect by cam with grinding motor；

The grinding chamber also passes through pipeline and is connected to hydraulic tank b；

Vortex tube is additionally provided in the mixing roll, the upper end of the vortex tube is cold-air vent, and lower part goes out for hot-air Mouthful, and the vortex tube is connected to the multiple air pipelines being laid in mixing roll.

2. a kind of pulsed according to claim 1 is classified rubber pulverizing grinding device, it is characterised in that: the mixing Chamber upper end is provided with rubber feed inlet, and the lower end of the mixing chamber is provided with rubber discharge port.

3. a kind of pulsed according to claim 1 is classified rubber pulverizing grinding device, it is characterised in that: the grinding One end of roller is connect with extension sleeve, and the extension sleeve is connect with bevel gear, and cam, institute are equipped with below the bevel gear The cam stated is connect with grinding motor.

4. a kind of pulsed according to claim 3 is classified rubber pulverizing grinding device, it is characterised in that: the cam Right side is additionally provided with spring, and the spring is installed between cam and mixing roll.

5. a kind of pulsed according to claim 1 is classified rubber pulverizing grinding device, it is characterised in that: the crushing 2 deflector holes are provided on chamber inner sidewall, the deflector hole is connect by pipeline with air blower, and the air blower passes through branch Frame is set on the base.

6. a kind of pulsed according to claim 1 is classified rubber pulverizing grinding device, it is characterised in that: on the sieve It is additionally provided with push plate, the push plate is used to large-sized rubber being pushed into the water conservancy diversion inclined-plane on the inside of crushing chamber, the water conservancy diversion Deflector hole at inclined-plane is connected to air blower.

7. a kind of pulsed according to claim 1 is classified rubber pulverizing grinding device, it is characterised in that: described is hydraulic It is provided with control switch a on pipeline between tank a and mixing chamber, is arranged on the pipeline between the hydraulic tank b and grinding chamber There are switch b and the time relay.

8. a kind of pulsed according to claim 1 is classified rubber pulverizing grinding device, it is characterised in that: the vortex tube Air compressor is provided with by the hot air outlet of lower part.

9. a kind of pulsed according to claim 1 is classified rubber pulverizing grinding device, it is characterised in that: the grinding The shape of fixed roll and mixing roll is taper, and the mixing roll setting is in grinding fixed roll and ratcheting with grinding fixed roll, described There is a notch in grinding fixed roll upper end, and the notch is as grinding feed inlet.

10. a kind of pulsed according to claim 1 is classified rubber pulverizing grinding device, it is characterised in that: described grinds The lower end of mill chamber is provided with grinding discharging opening.