Thermosensitive material crushing mechanism

Abstract

The utility model discloses a thermosensitive material crushing mechanism which comprises a crushing shell, a crushing wheel is rotatably mounted in the crushing shell, a crushing cutter is fixedly mounted on the peripheral surface of the crushing wheel, the outer diameter of the upper end of the crushing wheel is smaller than that of the lower end of the crushing wheel, and the crushing cutter is fixedly mounted between the upper end and the lower end of the crushing wheel. The inner diameter of the upper end of the smashing shell is smaller than that of the lower end of the smashing shell, and a static smashing cutter is fixedly installed on the inner wall of the smashing shell and fixedly installed between the upper end and the lower end of the smashing shell. The crushing cutter rotates at a high speed to generate impact force, and large reciprocating shearing force is generated between the crushing cutter and the static crushing cutter to crush materials. The crushing cutter is fixedly installed between the upper end and the lower end of the crushing wheel, and the static crushing cutter is fixedly installed between the upper end and the lower end of the crushing shell, so that materials are subjected to downward movement force in the crushing process, passing of the materials through a crushing area is accelerated, and heat accumulation is reduced.

Description

Technical Field

[0001] The utility model relates to the field of material crushing equipment, in particular to a heat-sensitive material crushing mechanism. Background Art

[0002] Materials will release heat during the crushing process, and heat-sensitive materials will change their properties. For example, rubber will become softer when heated, which increases the difficulty of crushing. The authorization announcement number is CN219073131U, and the name is a utility model patent for a low-temperature crushing device for heat-sensitive micropowders. It discloses a low-temperature crushing device for heat-sensitive micropowders. A rotating shaft and a crushing blade are provided in the crushing mechanism. The rotating shaft is connected to the inner wall of the top of the crushing device body through a motor, and a plurality of linearly arranged crushing blades are fixedly connected to the outer wall of the rotating shaft. The material to be crushed can only be discharged downward after it moves horizontally under the action of the crushing blades. The material has poor fluidity in the crushing equipment, and the influence of heat on the material cannot be reduced. Utility Model Content

[0003] In order to make up for the above shortcomings, the utility model provides a heat-sensitive material crushing mechanism that can effectively improve the fluidity of the material and prevent the material from being affected by heat.

[0004] The technical solution of the utility model is: a heat-sensitive material crushing mechanism, comprising a crushing shell, a crushing wheel is rotatably installed in the crushing shell, a crushing knife is fixedly installed on the outer peripheral surface of the crushing wheel, the outer diameter of the upper end of the crushing wheel is smaller than the outer diameter of the lower end, the crushing knife is fixedly installed between the upper end and the lower end of the crushing wheel, the inner diameter of the upper end of the crushing shell is smaller than the inner diameter of the lower end, a static crushing knife is fixedly installed on the inner wall of the crushing shell, and the static crushing knife is fixedly installed between the upper end and the lower end of the crushing shell.

[0005] As a preferred technical solution, the crushing knife is arranged with crushing saw teeth.

[0006] As a preferred technical solution, the gap between the upper end of the crushing wheel and the upper end of the inner wall of the crushing shell is larger than the gap between the lower end of the crushing wheel and the lower end of the inner wall of the crushing shell.

[0007] As a preferred technical solution, the inner wall of the pulverizing shell is provided with a plurality of protrusions, and the static pulverizing knife is fixedly mounted on the blade facing surface of the protrusions.

[0008] As a preferred technical solution, the lower end of the protrusion is inclined toward the rotation direction of the crushing wheel.

[0009] As a preferred technical solution, the lower end of the protrusion is inclined toward the rotation direction of the crushing wheel relative to the upper end of the protrusion.

[0010] As a preferred technical solution, the lower end of the crushing knife is inclined relative to the upper end of the crushing knife in the opposite direction of the rotation direction of the crushing wheel.

[0011] As a preferred technical solution, the cross-section of the protrusion is a right-angled trapezoid, the right-angled side of the right-angled trapezoid is located on the front blade surface, the hypotenuse of the right-angled trapezoid is located on the back blade surface, and the lower base of the right-angled trapezoid is located on the inner wall of the pulverizing shell.

[0012] As a preferred technical solution, the crushing teeth on the upper part of the crushing knife are larger than the crushing teeth on the lower part of the crushing knife.

[0013] Due to the adoption of the above technical solution, a heat-sensitive material crushing mechanism includes a crushing shell, a crushing wheel is rotatably installed in the crushing shell, a crushing knife is fixedly installed on the outer peripheral surface of the crushing wheel, the outer diameter of the upper end of the crushing wheel is smaller than the outer diameter of the lower end, the crushing knife is fixedly installed between the upper end and the lower end of the crushing wheel, the inner diameter of the upper end of the crushing shell is smaller than the inner diameter of the lower end, and a static crushing knife is fixedly installed on the inner wall of the crushing shell, and the static crushing knife is fixedly installed between the upper end and the lower end of the crushing shell. The crushing knife rotates at a high speed to generate impact force, and a large reciprocating shear force is generated between the crushing knife and the static crushing knife to crush the material. The crushing knife is fixedly installed between the upper end and the lower end of the crushing wheel, and the static crushing knife is fixedly installed between the upper end and the lower end of the crushing shell so that the downward movement force on the material during the crushing process accelerates the material through the crushing area and reduces heat accumulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The following is a brief introduction to the drawings required for use in the embodiments or descriptions of the prior art. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0015] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0016] Figure 2 This Figure 1 A partial enlarged view of point I in the middle;

[0017] Figure 3 It is a schematic diagram of the structure of the crushing shell in the embodiment of the utility model;

[0018] Figure 4 yes Figure 3 Bottom view of

[0019] Figure 5 yes Figure 4 A partial enlarged view of position II in the middle;

[0020] Figure 6It is a schematic diagram of the structure of the crushing wheel in the embodiment of the utility model;

[0021] Figure 7 yes Figure 6 Top view of the . DETAILED DESCRIPTION

[0022] like Figures 1 to 7 As shown, a heat-sensitive material crushing mechanism comprises a crushing shell 1, a crushing wheel 2 is rotatably installed in the crushing shell 1, a crushing knife 3 is fixedly installed on the outer peripheral surface of the crushing wheel 2, the outer diameter of the upper end of the crushing wheel 2 is smaller than the outer diameter of the lower end, the crushing knife 3 is fixedly installed between the upper end and the lower end of the crushing wheel 2, the inner diameter of the upper end of the crushing shell 1 is smaller than the inner diameter of the lower end, a static crushing knife 4 is fixedly installed on the inner wall of the crushing shell 1, and the static crushing knife 4 is fixedly installed between the upper end and the lower end of the crushing shell 1. The crushing wheel is connected to the driving mechanism, and the driving mechanism includes a motor, and the motor is connected to the crushing wheel by belt transmission. The crushing knife 3 rotates at a high speed to generate impact force, and a large reciprocating shear force is generated between the crushing knife 3 and the static crushing knife 4 to crush the material. The outer diameter of the upper end of the crushing wheel 2 is smaller than the outer diameter of the lower end, the crushing knife 3 is fixedly installed between the upper end and the lower end of the crushing wheel 2, and the static crushing knife 4 is fixedly installed between the upper end and the lower end of the crushing shell 1 so that the downward force on the material during the crushing process accelerates the material through the crushing area and reduces heat accumulation. A feed chamber 12 is provided at the upper part of the crushing shell, and the feed chamber 12 is connected to an air inlet 13 and a feeding mechanism, and the feeding mechanism includes a screw conveyor 6. The lower part of the crushing shell is connected to a discharge chamber 15 through an annular hole 14.

[0023] like Figure 1 , Figure 2 and Figure 6 As shown, the crushing blade 3 is provided with crushing teeth 11. The arrangement of the crushing teeth on the crushing blade 3 improves the crushing efficiency. The material is crushed by the shear force of multiple crushing teeth.

[0024] like Figure 2 As shown, the gap 10 between the upper end of the crushing wheel 2 and the upper end of the inner wall of the crushing shell 1 is larger than the gap between the lower end of the crushing wheel 2 and the lower end of the inner wall of the crushing shell 1. This further improves the crushing efficiency of the material and the speed of the material passing through the crushing area, and reduces heat accumulation.

[0025] like Figure 4 and Figure 5As shown, the inner wall of the pulverizing shell 1 is provided with a plurality of protrusions 5, and the static pulverizing blade 4 is fixedly mounted on the facing blade surface 7 of the protrusion 5. The facing blade surface and the back blade surface 9 of the protrusion 5 are located on the left and right sides of the protrusion 5, and the pulverizing blade 3 fixedly mounted on the outer peripheral surface of the pulverizing wheel 2 first passes through the facing blade surface and then passes through the back blade surface.

[0026] like Figure 4 and Figure 5 As shown, the lower end of the protrusion 5 is inclined relative to the upper end of the protrusion toward the rotation direction of the crushing wheel 2. The lower end of the crushing knife 3 is inclined relative to the upper end of the crushing knife against the rotation direction of the crushing wheel 2. This makes it easier for the crushed material to quickly leave the crushing area, reducing the accumulation and generation of heat. Figure 4 and Figure 7 The direction of the middle arrow is the rotation direction of the grinding wheel 2.

[0027] like Figure 5 As shown, the cross section of the protrusion 5 is a right-angled trapezoid, the right-angled side of the right-angled trapezoid is located on the front blade surface 7, the hypotenuse 8 of the right-angled trapezoid is located on the back blade surface 9, and the lower base of the right-angled trapezoid is located on the inner wall of the pulverizing shell 1. In this way, the material can move downward quickly along the back blade surface.

[0028] Preferably, the crushing teeth on the upper part of the crushing knife 3 are larger than the crushing teeth on the lower part of the crushing knife 3. This further increases the speed at which the material passes through the crushing area and reduces heat accumulation.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A heat-sensitive material crushing mechanism, characterized in that: It includes a pulverizing shell, a pulverizing wheel is rotatably installed in the pulverizing shell, a pulverizing knife is fixedly installed on the outer peripheral surface of the pulverizing wheel, the outer diameter of the upper end of the pulverizing wheel is smaller than the outer diameter of the lower end, the pulverizing knife is fixedly installed between the upper end and the lower end of the pulverizing wheel, the inner diameter of the upper end of the pulverizing shell is smaller than the inner diameter of the lower end, a static pulverizing knife is fixedly installed on the inner wall of the pulverizing shell, and the static pulverizing knife is fixedly installed between the upper end and the lower end of the pulverizing shell.

2. The heat-sensitive material crushing mechanism according to claim 1, characterized in that: The crushing knife is arranged with crushing saw teeth.

3. The heat-sensitive material crushing mechanism according to claim 2, characterized in that: A gap between an upper end of the pulverizing wheel and an upper end of an inner wall of the pulverizing shell is larger than a gap between a lower end of the pulverizing wheel and a lower end of an inner wall of the pulverizing shell.

4. The heat-sensitive material crushing mechanism according to claim 1, characterized in that: The inner wall of the pulverizing shell is provided with a plurality of protrusions, and the static pulverizing knife is fixedly mounted on the knife-facing surface of the protrusions.

5. The heat-sensitive material crushing mechanism according to claim 1, characterized in that: The lower end of the crushing knife is inclined relative to the upper end of the crushing knife in the direction opposite to the rotation direction of the crushing wheel.

6. The heat-sensitive material crushing mechanism according to claim 4, characterized in that: The lower end of the protrusion is inclined toward the rotation direction of the crushing wheel relative to the upper end of the protrusion.

7. The heat-sensitive material crushing mechanism according to claim 4, characterized in that: The cross section of the protrusion is a right-angled trapezoid, the right-angled side of the right-angled trapezoid is located on the front blade surface, the hypotenuse of the right-angled trapezoid is located on the back blade surface, and the lower base of the right-angled trapezoid is located on the inner wall of the pulverizing shell.

8. The heat-sensitive material crushing mechanism according to claim 2, characterized in that: The crushing teeth on the upper part of the crushing knife are larger than the crushing teeth on the lower part of the crushing knife.

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