CN212943335U - Knife roll, material crushing device and crusher - Google Patents

Abstract

The utility model discloses a rotor, material crushing device and breaker, wherein, a rotor includes arbor and a plurality of cutter, and the one end of arbor is equipped with the keyway, and the keyway can be connected with power device's output, and the arbor is located to a plurality of cutter covers to arrange along the axial of arbor. Through above-mentioned structure, the keyway can be connected with power device's output, and such structural design makes the rotor need not to beat the moment of torsion and can realize the dismouting, and the rotor only needs to install the base member relatively and pulls out to insert promptly and just can realize the dismouting.

Description

Knife roll, material crushing device and crusher

Technical Field

The utility model relates to a broken technical field of low-speed, in particular to rotor, material crushing device and breaker.

Background

At present, some knife rolls are connected to the crusher by flange bolts. In this connection, each time the knife roll is removed, a torque is applied, and therefore, when the space of the crusher is limited, the removal of the knife roll becomes very time-consuming and laborious.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a knife roll, the dismouting of can being convenient for.

The utility model discloses still provide a material crushing device who has this rotor.

The utility model discloses a more provide a breaker with this material crushing device.

According to the utility model discloses a knife roller of first aspect embodiment includes: the cutter comprises a cutter shaft and a plurality of cutters, wherein one end of the cutter shaft is provided with a key groove, the key groove can be connected with the output end of a power device, and the plurality of cutters are sleeved on the cutter shaft and are arranged along the axial direction of the cutter shaft.

According to the utility model discloses a rotor has following beneficial effect at least: through the structure, the key groove can be connected with the output end of the power device, so that the knife roller can be disassembled and assembled only by relatively installing the machine body and pulling and inserting the knife roller, the design does not need to make a torque, the working hours are saved, and the working efficiency is increased.

According to some embodiments of the utility model, the arbor one end is equipped with the external splines, the keyway is the spline draw-in groove of setting in the external splines, the output be equipped with spline draw-in groove complex internal spline, the internal spline is inserted and is located the spline draw-in groove.

According to some embodiments of the invention, the cross-section of the spline groove is star-shaped.

According to the utility model discloses a some embodiments, the cutter includes blade disc, a plurality of sword strip and bush-hook, the blade disc cover is located the arbor, the lateral margin of blade disc has a plurality of clamping parts, and is a plurality of the clamping part is followed the radial setting of arbor, the sword strip sets up and is corresponding the clamping part, just the both ends of sword strip are followed the axial of arbor is extended the surface of blade disc, the bush-hook is located the lateral margin of blade disc, just the bush-hook is located adjacent two between the clamping part.

According to some embodiments of the utility model, the vice cutting edge of sword strip is followed the circumferencial direction syntropy of blade disc is arranged.

According to some embodiments of the utility model, in a plurality of in the cutter, the latter the cutter is relative former the rotatory angle of setting for of cutter to make a plurality of bush-hook on the cutter winds the axis of arbor is the heliciform and arranges.

According to the utility model discloses a material crushing device of second aspect embodiment, including two as above the rotor, wherein, two the rotor arranges side by side, two on the rotor the cutter dislocation is arranged.

According to the utility model discloses material crushing device has following beneficial effect at least: through the structure, the key groove can be connected with the output end of the power device so that the material crushing device can be disassembled and assembled only by relatively installing the machine body and pulling and inserting the machine body, the working hours are saved due to the design, and the working efficiency is increased.

According to the utility model discloses a second embodiment, two adjacent on the blade disc be equipped with the confession between the sword strip the first clearance that the bush-hook passed through.

According to the utility model discloses a second embodiment, two adjacent be equipped with the confession between the blade disc the second clearance that the sword strip passes through.

According to a third aspect embodiment of the present invention, a crusher comprises a material crushing device as described above.

According to the utility model discloses breaker has following beneficial effect at least: through the structure, the key groove can be connected with the output end of the power device so that the material crushing device of the crusher can be more simply and quickly disassembled.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of an embodiment of a knife roll according to the present invention;

FIG. 2 is a block diagram of a knife in the knife roll shown in FIG. 1;

FIG. 3 is a block diagram of a knife in the knife roll shown in FIG. 1;

FIG. 4 is a structural diagram of an embodiment of the material crushing device of the present invention;

FIG. 5 is an enlarged view of portion A shown in FIG. 3;

fig. 6 is an enlarged view of a portion B shown in fig. 3.

Reference numerals: the cutter comprises a cutter shaft 100, an external spline 110, a spline clamping groove 111, a cutter 200, a cutter disc 210, a clamping part 211, a cutter bar 220, a secondary cutting edge 221, a main cutting edge 222, a hook cutter 230, a first gap 310 and a second gap 320.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1, the embodiment of the present invention provides a knife roll, which includes a knife shaft 100 and a plurality of knives 200, wherein one end of the knife shaft 100 is provided with a key slot, the key slot can be connected with an output end of a power device, and the knife shaft 100 is sleeved with the plurality of knives 200 and arranged along an axial direction of the knife shaft 100.

Specifically, one end of the cutter shaft 100 is provided with an external spline 110, the key groove is a spline clamping groove 111 arranged in the external spline 110, the output end is provided with an internal spline matched with the spline clamping groove 111, and the internal spline is inserted into the spline clamping groove 111. The section of the spline slot 111 may be star-shaped.

Through above-mentioned structure, the keyway can be connected with power device's output, and such structural design makes the rotor need not to beat the moment of torsion and can realize the dismouting, and the rotor only needs to install the base member relatively and pulls out to insert promptly and just can realize the dismouting.

Referring to fig. 2, the cutter 200 includes a cutter disc 210, a plurality of cutter bars 220 and a hook knife 230, the cutter disc 210 is sleeved on the cutter shaft 100, the side edge of the cutter disc 210 has a plurality of clamping portions 211, the plurality of clamping portions 211 are arranged along the radial direction of the cutter shaft 100, the cutter bars 220 are arranged at the corresponding clamping portions 211, the two ends of the cutter bars 220 extend out of the surface of the cutter disc 210 along the axial direction of the cutter shaft, the hook knife 230 is arranged at the side edge of the cutter disc 210, and the hook knife 230 is located between two adjacent clamping portions 211.

In order to optimize the crushing effect, the minor cutting edges 221 of the knife strips 220 are arranged in the same direction along the circumferential direction of the cutter head 210, and the width of the knife strips 220 may gradually increase in a direction away from the center of the cutter head 210.

Through the structure of the cutter 200, the material can reach the target size only by crushing once, and the size of the discharged material does not need to be controlled by a screen, so that the crushing efficiency is greatly improved.

Referring to fig. 3, the plurality of cutters 200 have the blades 220 in the same straight line, and the straight line is not parallel to the axis of the arbor 100. in the present invention, in the plurality of cutters 200, the next cutter 200 rotates by a predetermined angle with respect to the previous cutter 200, so that the hooks 230 of the plurality of cutters 200 are spirally arranged around the axis of the arbor 100, and the blades 220 of the plurality of cutters 200 are in the same straight line. Then, the blades 220 of the plurality of cutters 200 are also arranged in a spiral shape around the axis of the arbor 100, and the arrangement spiral direction of the hook cutters 230 is the same as the arrangement spiral direction of the blades 220. Note that the above-described set angle has a range value of 20 ° to 100 °.

Referring to fig. 4, the present invention also provides a material crushing device, which comprises two knife rolls as described above, wherein the two knife rolls are arranged side by side, and the cutters 200 on the two knife rolls are arranged in a staggered manner.

The utility model discloses in, in order to increase material breaker's shearing crushing effect, overlap the axial projection part of cutter 200 on two rotor. It should be noted that the axial projection is a projection along the axial direction of the arbor 100.

Specifically, a first gap 310 for the hook knife 230 to pass through is arranged between the knife strips 220 on two adjacent cutter discs 210, and the arrangement of the first gap 310 can facilitate the belt material movement of the hook knife 230 and can also prevent the hook knife 230 on one of the knife rolls from colliding with the knife strip 220 on the other knife roll.

Moreover, a second gap 320 is provided between two adjacent cutter discs 210 for the blade strip 220 to pass through. The second gap 320 is provided to facilitate the shearing engagement between the main cutting edge 222 of the blade bar 220 and the cutter head 210, and to prevent the blade bar 220 of one of the cutter rollers from colliding with the cutter head 210 of the other cutter roller.

During operation, the two rolls rotate in opposite directions, the spiral arrangement of the hook-knife 230 can gradually bring the material into the crushing area, so that the operation load caused by instantaneous material entering is avoided, and the main cutting edge 222 of the blade 220 on one roll extends into the second gap 320 on the other roll to match with the material to be sheared.

The utility model discloses more provide the breaker, it includes as above material crushing device.

Through the structure, the key groove can be connected with the output end of the power device, so that the material crushing device in the crusher can be replaced more simply and quickly.

Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications and substitutions are included in the scope defined by the claims of the present application.

Claims (10)

1. A knife roll characterized in that: comprises that

The cutter shaft is provided with a key groove at one end, and the key groove can be connected with the output end of the power device;

the cutter shafts are sleeved with the cutters in a sleeved mode, and the cutters are arranged in an axially-arranged mode along the cutter shafts.

2. A knife roll according to claim 1, characterized in that:

the one end of arbor is equipped with the external splines, the keyway is the spline draw-in groove that sets up in the external splines, the output be equipped with spline draw-in groove complex internal splines, the internal splines insert locate the spline draw-in groove.

3. A knife roll according to claim 2, characterized in that:

the section of the spline clamping groove is in a star shape.

4. A knife roll according to claim 1, characterized in that:

the cutter comprises:

the cutter head is sleeved on the cutter shaft, the side edge of the cutter head is provided with a plurality of clamping parts, and the plurality of clamping parts are arranged along the radial direction of the cutter shaft;

the cutter bars are arranged at the corresponding clamping parts, and two ends of each cutter bar extend out of the surface of the cutter head along the axial direction of the cutter shaft;

the bush-hook, the bush-hook is located the lateral margin of blade disc, just the bush-hook is located adjacent two between the clamping part.

5. A knife roll according to claim 4, characterized in that:

the auxiliary cutting edges of the cutter strips are arranged in the same direction along the circumferential direction of the cutter head.

6. A knife roll according to claim 4, characterized in that:

in the plurality of cutters, the latter cutter rotates a set angle relative to the former cutter, so that the hooks on the cutters are spirally arranged around the axis of the cutter shaft.

7. Material breaker, its characterized in that: comprising two knife rolls according to any of claims 4-6,

the two knife rolls are arranged side by side, and the cutters on the two knife rolls are arranged in a staggered mode.

8. A material crushing device according to claim 7, wherein:

and a first gap for the hook knife to pass through is arranged between the knife strips on the two adjacent cutter heads.

9. A material crushing device according to claim 8, wherein:

and a second gap for the knife strip to pass through is arranged between the two adjacent cutter heads.

10. The breaker, its characterized in that: comprising a material crushing device according to any one of claims 7-9.

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