CN211937228U

CN211937228U - Mechanical crushing equipment

Info

Publication number: CN211937228U
Application number: CN202020175713.2U
Authority: CN
Inventors: 王京旭; 王支刚; 于扬; 潘保安; 王春喜
Original assignee: Suzhou Xi Ran Industrial Equipment Co ltd
Current assignee: Suzhou Xi Ran Industrial Equipment Co ltd
Priority date: 2020-02-17
Filing date: 2020-02-17
Publication date: 2020-11-17
Anticipated expiration: 2030-02-17

Abstract

The utility model relates to a mechanical crushing device, which comprises a main machine and a driving device; a crushing rotary cutter and a grading wheel are arranged in the main machine, and the grading wheel is arranged above the crushing rotary cutter; the crushing rotary cutter and the grading wheel are respectively connected with different and mutually independent driving devices and driving shafts; the main machine also comprises a material inlet, a material outlet and a compressed air inlet; the compressed air inlet and the material outlet are both arranged above the grading wheel, and the horizontal position of the compressed air inlet is not higher than that of the material outlet. The device adopts the arrangement of double shafts separately and independently driven, so that the rotating efficiency of the crushing rotary cutter and the grading wheel can be improved, and the grading wheel with larger loading power and larger size can also be loaded; thereby improving the productivity and the production efficiency; meanwhile, compressed air is introduced into the equipment, so that the effect of driving the material powder to flow out of the material outlet along with flowing air can be achieved, and the energy consumption of the centrifugal fan is reduced.

Description

Mechanical crushing equipment

Technical Field

The utility model relates to a comminuted field especially relates to mechanical crushing apparatus.

Background

In industrial production, a pulverizer for pulverizing by matching a grading wheel and a rotary pulverizing knife is an important mechanical pulverizing device; in this type of apparatus, the classifying wheel and the driving shaft of the rotary crushing knife are often nested together for the sake of compactness; however, there are problems in that the rotational efficiency of the driving shaft is affected and the targeted cooling is not possible, and a large-power and large-sized classification wheel cannot be installed, resulting in an effect on the pulverizing and grinding efficiency and the productivity.

Disclosure of Invention

The utility model overcomes prior art's is not enough, provides a mechanical crushing equipment that crocus is efficient, the productivity is high.

In order to achieve the above purpose, the utility model adopts the technical scheme that: there is provided a mechanical crushing apparatus characterized in that: comprises a host and a driving device; a crushing rotary cutter and a grading wheel are arranged in the main machine, and the grading wheel is arranged above the crushing rotary cutter; the number of the driving devices is at least two, and each driving device is provided with at least one driving shaft; the crushing rotary cutter and the grading wheel are respectively connected with different and mutually independent driving devices and driving shafts; the main machine also comprises a material inlet, a material outlet and a compressed air inlet; the compressed air inlet and the material outlet are both arranged above the grading wheel, and the horizontal position of the compressed air inlet is not higher than that of the material outlet.

As a preferable scheme, two driving devices are provided, namely a first driving device and a second driving device; the two driving shafts are a first driving shaft and a second driving shaft; the first driving device is connected with a first rotating shaft through a transmission device, the first rotating shaft is also connected with the crushing rotary cutter from the lower part, and the crushing rotary cutter can rotate around the first rotating shaft under the driving of the first rotating shaft; the second driving device is connected with a second rotating shaft through a transmission device, the second rotating shaft is also connected with the grading wheel from the upper part, and the grading wheel can rotate around the second rotating shaft under the driving of the second rotating shaft.

More preferably, the first rotating shaft is oil-cooled, and the second rotating shaft is water-cooled.

As a preferred scheme, the grading wheel comprises a rotating chassis, spokes and a closing-up ring; one ends of the spokes are uniformly arranged on the circumference of the rotating chassis with gaps, and the other ends of the spokes extend upwards to be connected with the closing-up ring.

As a more preferable scheme, the closing-in ring and the rotating chassis are coaxially arranged, and the diameter of the closing-in ring is larger than that of the rotating chassis.

As a preferable scheme, a wave rack is further arranged around the crushing rotary cutter; the wave rack surrounds the crushing rotary cutter for a circle.

As a preferred scheme, an air guide ring is further arranged in the main machine, is arranged above the crushing rotary cutter and is sleeved on the periphery of the grading wheel; the lowest surface of the air guide ring is lower than the lowest surface of the grading wheel.

Preferably, the main machine is further provided with a secondary air inlet.

As a preferred scheme, a plurality of compressed air inlets are arranged and penetrate through the side surface of the upper part of the main machine in an inclined manner; the compressed air inlet is arranged on the main machine and is positioned behind the position of the material outlet on the main machine.

As a more preferable scheme, the material outlet vertically penetrates through the side surface of the upper part of the main machine.

The beneficial technical effects of the utility model mainly lie in: provides a mechanical crushing device with good milling efficiency and high productivity.

(1) The device adopts the arrangement of double shafts separately and independently driven, so that the rotating efficiency of the crushing rotary cutter and the grading wheel can be improved, and the grading wheel with larger loading power and larger size can also be loaded; thereby improving the productivity and the production efficiency.

(2) This equipment sets up the compressed air import, introduces compressed air and can play the effect that the drive material powder flows the material export along with mobile air to reduce centrifugal fan's energy consumption. Meanwhile, the impact of high-speed airflow can effectively reduce the problem of adherent adhesion of powder.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a front view of a preferred embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of a preferred embodiment of the present invention.

Fig. 3 is an enlarged view at a of fig. 2.

Fig. 4 is a perspective view of a preferred embodiment of the present invention.

Fig. 5 is a top view of the preferred embodiment of the present invention.

Fig. 6 is a right side view of the preferred embodiment of the present invention.

Fig. 7 is a left side view of the preferred embodiment of the present invention.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention. It should be noted that the terms "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1-7, the mechanical crushing apparatus includes a main body 1, a first driving device 2 disposed on a base 4; the second driving device 3 is fixedly connected with the main body 1 through a bracket; the main machine 1 is internally provided with a crushing rotary cutter 11, a wave rack 12, a grading wheel 13, an air guide ring 14, a material inlet 15, a material outlet 16, a compressed air inlet 17 and a secondary air inlet 18.

Wherein, the crushing rotary cutter 11 is a disc and is provided with a plurality of hard alloy cutter heads on the upper surface along the circumferential direction; wave rack 12 encircles and smashes 11 a week settings of rotary knife, and its surface has wavy tooth, can assist the cooperation to smash rotary knife 11 and smash and polish the material, improves kibbling effect.

The grading wheel 13 is arranged above the crushing rotary cutter 11 and comprises a rotary chassis 131, spokes 132 and a closing ring 133; wherein, one end of the spokes 132 are uniformly arranged on the circumference of the rotating chassis 131 with a gap, and the other end extends upwards to be connected with the closing-in ring 133; the closing-in ring 133 and the rotating chassis 131 are coaxially arranged, and the diameter of the closing-in ring 133 is larger than that of the rotating chassis 131, so that the grading wheel 13 forms an inverted cone frustum shape with a strip-shaped pore on the side wall, and the strip-shaped pore extends along the generatrix direction of the cone frustum and is uniformly distributed along the circumferential direction of the cone frustum.

The air guide ring 14 is an inverted and vertically through truncated cone structure, is arranged above the crushing rotary cutter 11 and is sleeved on the periphery of the grading wheel 13; the lowest surface of the air deflector ring 14 is lower than the lowest surface of the classifier wheel 13.

The material outlets 16 and the compressed air inlets 17 are arranged above the grading wheel 13, the material outlets 16 vertically penetrate through the side surface of the upper part of the main machine 1, and the number of the compressed air inlets 17 is six and the six compressed air inlets are obliquely penetrated through the side surface of the upper part of the main machine 1; the position of the compressed air inlet 17 on the main machine 1 is laterally rear of the position of the material outlet 16 on the main machine 1 (the direction of the material leaving the material outlet 16 is front); the six compressed air inlets 17 are arranged in a 3 x 2 matrix and the overall level is the same as the level of the material outlet 16.

In addition, the material inlet 15 is arranged on the side surface of the main machine 1 and is positioned above the crushing rotary cutter 11; the secondary air inlet 18 is also provided at the side of the main body 1 below the crushing rotary cutter 11.

The first driving device 2 is a motor, and is connected to one end of a first rotating shaft 21 vertically disposed through a transmission device (such as a belt and a pulley); the other end of the first rotating shaft 21 is connected with the bottom of the disc of the crushing rotary cutter 11 from the lower part, and the crushing rotary cutter 11 can rotate around the first rotating shaft under the driving of the first rotating shaft 21; similarly, the second driving device 3 is also a motor, and is connected to one end of a second rotating shaft 31 vertically disposed through a transmission device, the other end of the second rotating shaft 31 is connected to a rotating chassis 131 of the classifying wheel 13 from above, and the rotating chassis 131 can drive the whole classifying wheel 13 to rotate around the second rotating shaft 31 under the driving of the second rotating shaft 31. A cooling oil chamber 22 is provided on the outer periphery of the first rotary shaft 21 for cooling the first rotary shaft 21; a coolant chamber 32 is provided around the outer circumference of the sleeve of the second rotating shaft 31 to cool the second rotating shaft 31. In addition, the transmission of the first driving device 2 is disposed in the base 4, and the first rotating shaft 21 is partially disposed in the base 4.

The crushing rotary cutter 11 and the grading wheel 13 are respectively driven by mutually independent driving devices and driving shafts, and the two driving devices are provided with independent cooling structures; the arrangement of the double shafts for separate and independent driving can improve the rotating efficiency of the crushing rotary cutter 11 and the grading wheel 13, and can also enable the equipment to be loaded with the grading wheel 13 with higher power and larger size; thereby improving the productivity and the production efficiency.

When the equipment is used:

1. the first driving device 2 and the second driving device 3 are activated to respectively drive the first rotating shaft 21 and the second rotating shaft 31 to rotate, so as to respectively drive the crushing rotary knife 11 and the classifying wheel 13 to rotate (the rotating speeds of the two can be independently set according to actual conditions).

2. The material enters the main machine 1 from the material inlet 15 and falls around the crushing rotary cutter 11; the crushing rotary cutter 11 rotates and is matched with the wave rack 12 around the crushing rotary cutter to crush the materials; a centrifugal fan (not shown) sucks air from the main machine 1 through a material outlet 16, the grading wheel 13 rotates, and material powder with the standard particle size enters the grading wheel 13 through the strip-shaped pores under the action of air suction and is sucked out of the equipment through the material outlet 16; the arrangement of the air guide ring 14 plays a role in guiding, so that the materials can be preferentially contacted with the crushing rotary cutter 11 and crushed, and then enter the position of the grading wheel 13 through the bottom of the air guide ring 14 for grading; the arrangement of the compressed air inlet 17 enables the compressed air to play a role of driving the material powder to flow out of the material outlet 16 along with flowing air, so that the energy consumption of the centrifugal fan is reduced; meanwhile, the impact of high-speed airflow can effectively reduce the problem of adherent adhesion of powder.

3. After the air with the crushed materials flows out of the equipment, the materials are collected; and the air re-enters the main machine 1 through the secondary air inlet 18; not only can supplement the air drawn by the centrifugal fan, but also can carry out secondary collection on the powder which is remained in the air and is not completely collected.

In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. Mechanical crushing apparatus, its characterized in that: comprises a host and a driving device; a crushing rotary cutter and a grading wheel are arranged in the main machine, and the grading wheel is arranged above the crushing rotary cutter; the number of the driving devices is at least two, and each driving device is provided with at least one driving shaft; the crushing rotary cutter and the grading wheel are respectively connected with different and mutually independent driving devices and driving shafts; the main machine also comprises a material inlet, a material outlet and a compressed air inlet; the compressed air inlet and the material outlet are both arranged above the grading wheel, and the horizontal position of the compressed air inlet is not higher than that of the material outlet.

2. The mechanical comminution apparatus of claim 1, wherein: the two driving devices are a first driving device and a second driving device; the two driving shafts are a first driving shaft and a second driving shaft; the first driving device is connected with a first rotating shaft through a transmission device, the first rotating shaft is also connected with the crushing rotary cutter from the lower part, and the crushing rotary cutter can rotate around the first rotating shaft under the driving of the first rotating shaft; the second driving device is connected with a second rotating shaft through a transmission device, the second rotating shaft is also connected with the grading wheel from the upper part, and the grading wheel can rotate around the second rotating shaft under the driving of the second rotating shaft.

3. The mechanical comminution apparatus of claim 2, wherein: the first rotating shaft is cooled by oil, and the second rotating shaft is cooled by water.

4. The mechanical comminution apparatus of claim 1, wherein: the grading wheel comprises a rotating chassis, spokes and a closing-up ring; one ends of the spokes are uniformly arranged on the circumference of the rotating chassis with gaps, and the other ends of the spokes extend upwards to be connected with the closing-up ring.

5. The mechanical comminution apparatus of claim 4, wherein: the closing-in circular ring and the rotating chassis are coaxially arranged, and the diameter of the closing-in circular ring is larger than that of the rotating chassis.

6. The mechanical comminution apparatus of claim 1, wherein: a wave rack is arranged around the crushing rotary cutter; the wave rack surrounds the crushing rotary cutter for a circle.

7. The mechanical comminution apparatus of claim 1, wherein: an air guide ring is also arranged in the main machine, is arranged above the crushing rotary cutter and is sleeved on the periphery of the grading wheel; the lowest surface of the air guide ring is lower than the lowest surface of the grading wheel.

8. The mechanical comminution apparatus of claim 1, wherein: the main machine is also provided with a secondary air inlet.

9. The mechanical comminution apparatus of claim 1, wherein: the compressed air inlets are arranged in a plurality and are all obliquely communicated with the side surface of the upper part of the main machine; the compressed air inlet is arranged on the main machine and is positioned behind the position of the material outlet on the main machine.

10. The mechanical comminution apparatus of claim 9, wherein: the material outlet vertically penetrates through the side face of the upper part of the main machine.