CN113073399A - Knife roll of chopping machine and chopping machine - Google Patents

Abstract

The utility model relates to a chopping machine rotor and chopping machine, chopping machine rotor includes: the cutter roll shaft is provided with a plurality of cutter grooves and at least two annular grooves on the outer circumferential surface; the cutter grooves extend along the axial direction of the cutter roller shaft and are uniformly arranged in the circumferential direction; the ring grooves are arranged along the circumferential direction of the cutter roll shaft and are arranged at intervals in the axial direction; one end of the blade is arranged in the cutter groove, and the other end of the blade extends out of the cutter groove; the lantern ring is sleeved in the annular groove, and a plurality of axially extending tooth sockets are arranged on the outer circumferential surface of the lantern ring for the blades to penetrate through; the slot walls of the gullets are resilient. According to the invention, the cutter roller shaft is arranged into a plurality of detachably connected parts, and a plurality of toothholders are used for fixing the blades, so that longer blades can be installed, and the production efficiency is obviously improved; and through setting up the lantern ring that floats, not only can reach the purpose of clean sword roller axle, make the blade keep sharp degree for a long time, reduce the frequency that the blade was changed.

Description

Knife roll of chopping machine and chopping machine

Technical Field

This patent belongs to short equipment technical field, particularly relates to chopping machine rotor and chopping machine.

Background

The chopping machine is a commonly used fiber cutting device at present, has a commonly used structure that a knife roller and a rubber roller rotate relatively to cut off fibers at present, and has the characteristics of high production efficiency and low energy consumption.

The engagement of the knife roller and the rubber roller is actually realized by poking the rubber roller to rotate by the knife tip, when the chopping machine cuts long fibers, if the former blade cuts off the fibers, the latter blade is not engaged with the rubber roller, the fibers are easy to fall off, and at this time, the vehicle needs to be loaded again. At present, a pinch roller is arranged above the meshing part of a rubber roller and a knife roller, and fiber is extruded and fed by the pinch roller and the rubber roller. However, if the fibers are broken, the broken fibers are wound on the pressing wheel, and the yarn feeding is affected if the fibers are not cleaned, so that the cleaning is troublesome.

In addition, the glass fiber surface is adhered with the impregnating compound, so that the glass fiber surface is high in viscosity and is easy to adhere to the surface of the blade and plug into the cutter groove in the cutting process; after the fibers are cut off, part of the fibers cannot automatically fall off but stick between adjacent blades, so that yarn arrangement is not favorable; meanwhile, the fibers stuck between the blades can cause that the blades are too shallow to cut subsequent fibers when the fibers are continuously cut, even winding or broken fibers are generated, the abrasion of the blades is aggravated, and the product quality is unstable. Therefore, every several hours of operation, the blade needs to be replaced and the knife roller needs to be cleaned, which affects the production efficiency.

The existing knife roll of a chopping machine is provided with a pressing piece of a long strip structure on the outer circumference of the knife roll, a fiber filament is pressed by the pressing piece, and a pressing wheel is removed. The knife roller of this structure is shredding the in-process, and some fibre short silks can not drop automatically, but glue between adjacent cutting edge and in the sword groove, cause row yarn unfavorable, not only influence follow-up shredding, can aggravate blade wearing and tearing moreover, and product quality poor stability.

In addition, the length of the blade of the knife roller of the conventional chopping machine is generally not too large, if the blade is too long, the longer the blade is because the two ends of the blade are fixed, the larger the deformation range of the middle part of the blade is, and the obvious difference between the shredding length of the middle part and the shredding length of the two ends is also caused.

Disclosure of Invention

In view of the above analysis, the present invention is directed to a knife roll of a chopping machine and a chopping machine, so as to solve one or more of the problems of complicated structure, high difficulty in dismounting and replacing blades, low shredding efficiency caused by short length of blades, and poor quality stability of products of the conventional knife roll.

The purpose of the invention is realized as follows:

in one aspect, there is provided a chopping machine knife roll comprising:

the cutter roll shaft is provided with a plurality of cutter grooves and at least two annular grooves on the outer circumferential surface; the cutter grooves extend along the axial direction of the cutter roller shaft and are uniformly arranged in the circumferential direction; the ring grooves are arranged along the circumferential direction of the cutter roll shaft and are arranged at intervals in the axial direction;

one end of the blade is arranged in the cutter groove, and the other end of the blade extends out of the cutter groove;

the lantern ring is sleeved in the annular groove, and a plurality of axially extending tooth sockets are arranged on the outer circumferential surface of the lantern ring for the blades to penetrate through; the slot walls of the gullets are resilient.

Further, the cutter roller shaft comprises a shaft body and a plurality of tooth seats arranged on the shaft body, cutter grooves are uniformly arranged on the tooth seats, and a ring groove is formed between every two adjacent tooth seats.

Further, the toothholder includes first toothholder, second toothholder and third toothholder, and the middle part of axis body is located to first toothholder, installs second toothholder and third toothholder by first toothholder in proper order to the both sides of axis body.

Further, first toothholder integrated into one piece is in the middle part of axis body, and second toothholder and third toothholder cover are located on the axis body.

Further, the shaft body is of a solid cylinder structure.

Furthermore, the first tooth holder is provided with a first tooth holder body, the outer circumference of the first tooth holder body is provided with a first protrusion ring, the outer circumference of the first protrusion ring is provided with a first cutter groove, and the first protrusion ring is arranged in the middle of the outer circumference of the first tooth holder body; the second tooth seat body is provided with a second tooth seat body, the second tooth seat body is of a hollow cylinder structure, one end of the outer circumference of the second tooth seat body is provided with a second bulge ring, and the outer circumference of the second bulge ring is provided with a second cutter groove; the third tooth seat body is provided with a third tooth seat body which is of a hollow cylinder structure, a third convex ring is arranged on the outer circumference of the third tooth seat body, and a third knife groove is arranged on the outer circumference of the third convex ring.

Further, form first annular between first protruding ring and the protruding ring of second, form the second annular between the protruding ring of second and the protruding ring of third, install first lantern ring and second lantern ring in first annular and the second annular groove respectively.

Furthermore, the outer diameter of the first tooth seat body is a first diameter, the outer diameter of the second tooth seat body is a second diameter, the inner diameter of the lantern ring is a third diameter, and the first diameter is equal to the second diameter and smaller than the third diameter.

Furthermore, the second tooth holder and the third tooth holder are fixedly connected with the first tooth holder through positioning pins.

Further, the lantern ring is made of polyurethane.

Further, the number of tooth grooves is the same as that of the cutter grooves, and the groove width of each tooth groove is larger than the thickness of each blade.

Further, the knife roller of the chopping machine further comprises pressing covers, and the pressing covers are installed at two ends of the knife roller shaft to fix the second tooth holder, the third tooth holder and the blade.

Furthermore, the gland is provided with a limiting part, and the limiting part is attached to the end face of the third tooth holder so as to limit the axial movement of the blade along the cutter roller shaft.

Furthermore, the limiting part is an inclined limiting plane; the two ends of the blade are provided with first inclined side end surfaces, the end surface of the third tooth holder is provided with a second inclined side end surface, and the side port of the third cutter groove is positioned on the second inclined side end surface; the inclined limiting plane has the same inclined angle with the second inclined side end face and the first inclined side end face.

Furthermore, a pressing ring is arranged between the pressing cover and the third tooth holder, and the pressing ring is made of polyurethane material.

Furthermore, a pressing ring installation groove is formed in the inclined limiting plane of the pressing cover, the pressing ring is provided with a third inclined side end face, the inclination angle of the third inclined side end face is the same as that of the inclined limiting plane, and after one end of the pressing ring is installed in the pressing ring installation groove, the third inclined side end face protrudes out of the inclined limiting plane.

Furthermore, the blade is a trapezoidal blade and is provided with a blade body and a cutting edge, the length of the cutting edge is smaller than that of the bottom of the blade body, the blade body is fixedly arranged in the cutter groove, and the cutting edge extends out of the outer circumferential surface of the cutter roller shaft along the radial direction of the cutter roller shaft.

Further, the cutting edges of the inserts are located on a first pitch circle having a diameter smaller than the outer diameter of the collar.

On the other hand still provides a chopping machine, including above-mentioned any technical scheme's chopping machine rotor, the both ends of rotor shaft all rotate through the bearing frame and connect on the support.

Compared with the prior art, the invention can realize at least one of the following beneficial effects:

a) through setting up the frictional force between lantern ring increase rotor and the fibre for it is more stable to go up the yarn, can save the pinch roller, and then avoids the trouble of clearance kinking the yarn.

b) The lantern ring adopts the installation of floating, when rotor and rubber roll meshing, because the lantern ring is floated, the cell wall of tooth's socket can be because of receiving the rubber roll extrusion erroneous tendency opposite side, go out blade surface and the infiltration agent and the fibre that the sword inslot bonded, reciprocating cycle reaches the purpose of clean rotor shaft, the structural design of the lantern ring that floats has not only guaranteed glass fiber's the effect of cutting off, make the blade keep sharp degree for a long time moreover, reduce the frequency that the blade was changed, thereby the life of extension rotor, and then improve production efficiency.

c) Set up the sword roller into mosaic structure, the sword roller includes first toothholder, the second toothholder, third toothholder and axis body, set up the sword roller into several parts that can dismantle the connection, fix the blade through setting up a plurality of toothholders, both ends and the middle part at the blade all set up the toothholder, provide a plurality of strong points for the blade, effectively prevent the blade and warp, the gaining in strength, thereby make the blade have better stability when shredding, overcome the blade overlength and lead to middle part to warp too big influence shredding effect and easy cracked defect of taking place.

d) Under the condition that the thicknesses of the blades are the same, the length of the blades of the knife roller is longer and is at least 3-4 times of that of the blades of the existing knife disc, and the blades are better in installation stability and better in shredding length uniformity by providing a plurality of supporting points for the blades, so that the shredding efficiency is remarkably improved.

e) The deformation-free installation of the lantern ring is completed through the disassembly and the assembly of the cutter roll shaft, and the defect that the filament cutting effect is influenced by the non-uniform deformation of the lantern ring in the installation process is overcome.

Drawings

In order to more clearly illustrate the embodiments of the present specification or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present specification, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic view of the knife roll of the chopping machine of the present invention;

FIG. 2 is a schematic cross-sectional view of a knife roll of a chopping machine according to the present invention;

FIG. 3 is a schematic view of the collar of the present invention;

FIG. 4 is a schematic view of the structure of the blade of the present invention;

FIG. 5 is a schematic structural view of the first tooth holder integrally formed with the shaft according to the present invention;

FIG. 6 is a schematic structural view of a second tooth holder body according to the present invention;

FIG. 7 is a schematic structural view of a third tooth holder according to the present invention;

fig. 8 is a partially enlarged view of the area a in fig. 2.

Reference numerals:

1-a cutter roll shaft; 11-a first toothholder; 111-a first tooth holder body; 112-a first sipe; 12-a second toothholder; 121-a second tooth holder body; 122-a second sipe; 13-a third toothholder; 131-a third tooth holder body; 132-a third sipe; 14-a shaft body; 2-a blade; 21-a first inclined side end face; 3-a collar; 31-gullet; 4-pressing the cover; 5-pressing a ring; 6-positioning pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the term "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection, which may be a mechanical connection, an electrical connection, which may be a direct connection, or an indirect connection via an intermediate medium. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The terms "top," "bottom," "above … …," "below," and "on … …" as used throughout the description are relative positions with respect to components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are multifunctional, regardless of their orientation in space.

For the purpose of facilitating understanding of the embodiments of the present application, the following description will be made in terms of specific embodiments with reference to the accompanying drawings, which are not intended to limit the embodiments of the present application.

Example 1

One embodiment of the present invention, as shown in fig. 1-2, discloses a chopping machine knife roll, comprising:

the cutter roll shaft 1 is provided with cutter grooves and annular grooves on the outer circumferential surface of the cutter roll shaft 1, the cutter grooves extend along the axial direction of the cutter roll shaft 1 and are uniformly arranged in the circumferential direction, and the annular grooves are arranged along the circumferential direction of the cutter roll shaft 1 and are arranged at intervals in the axial direction;

one end of the blade 2 is arranged in the cutter groove, and the other end of the blade 2 extends out of the cutter groove;

the lantern ring 3 is sleeved in the annular groove, and a plurality of axially extending tooth grooves 31 are formed in the outer circumferential surface of the lantern ring 3 and used for the blade 2 to penetrate through; the slot walls of the gullets 31 are resilient.

In an optional implementation manner of this embodiment, the lantern ring 3 is installed in a floating manner, and the lantern ring 3 is sleeved in the annular groove of the cutter roller shaft 1 in a clearance manner.

Compared with the prior art, the knife roll of the chopping machine has the advantages that the sleeve ring is arranged, so that the friction force between the knife roll and fibers is increased, yarn feeding is more stable, the pressing wheel can be omitted, and further the trouble of cleaning wound yarn is avoided; and, the lantern ring adopts the structural design that floats the setting, when the rotor engages with the rubber roll, because the lantern ring is unsteady, the lantern ring exceeds the one end of cutting edge and can be because receive the rubber roll extrusion erroneous tendency opposite side, the size and the fibre clearance of bonding in blade surface and the sword groove are gone out, reciprocating cycle, reach the purpose of clean rotor shaft, the structural design of the lantern ring that floats has not only guaranteed glass fiber's effect of cutting off, and make the blade keep sharp degree for a long time, reduce the frequency that the blade was changed, thereby the life of extension rotor, and then improve production efficiency.

In this embodiment, as shown in fig. 3, the lantern ring 3 is a hollow cylindrical structure, a through hole is formed in the center of the lantern ring 3, a plurality of tooth sockets 31 are formed in the outer peripheral wall of the lantern ring 3, the tooth sockets 31 are arranged along the axial direction of the lantern ring 3, the tooth sockets 31 are uniformly distributed on the outer peripheral wall of the lantern ring 3, the tooth sockets 31 are used for the blades 2 to pass through, the number of the tooth sockets 31 is equal to that of the cutter grooves, one blade 2 passes through each tooth socket, the width of each tooth socket 31 is larger than the thickness of each blade 2, a gap is formed between each blade 2 and the corresponding tooth socket 31, that is, after the blades are installed, the blades 2 are not in contact with the corresponding tooth socket 31 in a non-shredding state, smooth dismounting and mounting of the

In this embodiment, at least a part of the collar 3 has elasticity, and the elastic part makes the blade 2 vibrate with the slot wall of the slot 31, and the blade 2 is in elastic contact with the slot wall of the slot.

In an alternative embodiment of this embodiment, at least the slot wall of the slot 31 in each structure of the collar 3 is elastic, so that when the blade 2 is in contact with the slot wall of the slot 31, the blade 2 is in elastic contact with the slot wall of the slot 31, thereby realizing the self-cleaning function. For example, an elastic layer is arranged on the groove wall of the tooth groove 31, and the elastic layer can cover the outer circumferential surface of the lantern ring 3 except the notch of the tooth groove to increase the friction force with the fiber; alternatively, the whole slot wall between two adjacent tooth slots 31 is made of elastic material; alternatively, the entire collar 3 may be made of an elastomeric material and the collar 3 may be milled from the entire hollow elastomeric cylinder to form the gullet 31 for the blade to pass through.

In this embodiment, the structure of the collar 3 may also be understood as that the collar 3 has a collar body and a spline plate, the inner diameter of the collar body is larger than the diameter of the ring groove and smaller than the diameter of the knife roller shaft 1, a plurality of spline plates are uniformly distributed on the outer circumference of the collar body along the radial direction, the spline plates are sheet-shaped structures, at least a portion of the spline plates radially exceeds the outer circumferential surface of the knife roller shaft 1, and a gap between two adjacent spline plates and the outer circumferential surface of the collar body forms a spline for the blade 2 to pass through.

In one optional embodiment, the whole lantern ring 3 is made of elastic materials, the lantern ring body and the tooth socket plates are elastic, the wall thickness of the lantern ring body is uniform, the thickness of the tooth socket plates is uniform, the lengths of the tooth socket plates are the same, and the elastic deformation amount of all the lantern ring body and the tooth socket plates is uniform, so that the shredding length can be guaranteed to have high uniformity.

Considering that the length of the shredding is affected by the lantern ring in the shredding process, if the lantern ring is too soft, the elastic deformation is large under the same stress condition, the uniformity of the shredding length can be affected, and if the lantern ring is too hard, the effect of increasing the friction force cannot be achieved, and the shredding effect can also be affected. Based on this, the embodiment or too small affects the shredding quality, and optionally, the whole of the collar 3 or the elastic part of the collar 3 is made of polyurethane material, and preferably, the collar 3 is a polyurethane ring.

In an optional implementation manner of this embodiment, the width of the gullet 31 is greater than the thickness of the blade 2, and a gap is formed between the blade 2 and the gullet plates on both sides, so that on one hand, smooth dismounting and mounting of the blade are ensured, and on the other hand, due to the existence of the gap, the vibration amplitude of the gullet plates is increased, and the self-cleaning effect is improved.

In the embodiment, the cutter groove is a rectangular cutter groove, the width of the cutter groove is slightly larger than the thickness of the blade, so that a gap is formed between the blade and the wall of the cutter groove, the blade can be smoothly inserted and pulled out, the blade fracture and the cutter groove fracture of the tooth seat caused by distortion in the process of meshing with the rubber roller and cutting are avoided, and the service life of the blade is prolonged.

In this embodiment, as shown in fig. 4, the blade 2 is a trapezoidal blade, and has a blade body and a cutting edge, the length of the cutting edge is smaller than the bottom length of the blade body, the blade body is fixedly installed in the cutter groove, and the cutting edge extends out of the outer circumferential surface of the cutter roller shaft 1 along the radial direction of the cutter roller shaft 1. The cutting edge is positioned on a first reference circle, and the first reference circle is provided with a first radius; the first ends of the tooth groove plates are uniformly distributed on the outer circumference of the lantern ring body, the second ends of the tooth groove plates are positioned on a second graduation circle, and the second graduation circle is provided with a second radius; the first radius is smaller than the second radius. That is, the height of the blade 2 is greater than the depth of the cutter groove and less than the radial height of the tooth groove plate, and the cutting edge is always lower than the end of the tooth groove plate to ensure the cutting effect.

Although the mode of establishing with the cover installs the lantern ring 3 on the annular of cutter roll axle 1, can show to promote shredding effect, can be because have a certain distance between the outer periphery of cutter roll axle 1 and the tank bottom of annular, if artificial with lantern ring 3 directly through dragging deformation suit in the annular, though lantern ring 3 can resume original shape through elastic deformation, the lantern ring 3 of polyurethane material still has the deformation of certain degree, unable recovery to initial condition completely, the weak elastic deformation of the lantern ring all can directly influence shredding length's homogeneity.

Based on this, an optional implementation of this embodiment sets up cutter roller axle 1 to mosaic structure, sets up cutter roller axle 1 to several parts that can dismantle the connection, through the dismantlement of cutter roller axle 1, the non-deformation installation of the lantern ring 3 is accomplished in the equipment, and then overcomes and causes the lantern ring 3 to take place the defect that inhomogeneous deformation influences the effect of shredding in the installation.

Further, it is considered that, in the present application, the lantern ring 3 is sleeved in the annular groove on the knife roller shaft 1 in a floating manner, if only one lantern ring 3 is provided, two ends of the blade 2 are fixed in the knife grooves at two ends of the knife roller shaft 1, the blade 2 passes through the tooth grooves 31 on the lantern ring 3, and the positions where the two ends of the blade 2 are fixed with the knife grooves are removed, the other parts of the blade 2 are in a suspended state, and the deformation degrees of the middle part and the two ends of the blade 2 are different, that is, the deformation degree of the middle part is large, the deformation degree of the two ends is small, the length of the blade 2 in the suspended state is larger, the difference between the deformation degree of the middle part and the deformation degree of the two ends of the blade 2 is larger, so that the uniformity of the shredding length is worse, therefore, in the technical scheme that one lantern ring 3 is sleeved on the knife roller shaft 1, the length of the blade, the shredding efficiency is limited.

An optional implementation of this embodiment, the quantity of annular is a plurality of, a plurality of annular equipartitions are at the outer periphery of cutter roller axle 1, the annular is evenly arranged along cutter roller axle 1's axial at the interval, the groove depth and the groove width of all annular are all the same, the tank bottom surface of annular is located the side of same cylinder, it is equipped with a lantern ring 3 all to overlap on every annular, lantern ring 3 is the segmentation on whole cutter roller axle 1 and arranges, through the radial length of the 3 edge cutter roller axles 1 of control lantern ring, when satisfying to have enough big frictional force between cutter roller and the fibre, a plurality of lantern rings 3 simultaneous vibrations, better clearance effect has.

Specifically, the groove bottom surface of the annular groove is positioned on the side surface of the first cylinder, and the groove bottom surface of the cutter groove is positioned on the side surface of the second cylinder; the external diameter of the lantern ring 3 is larger than the diameter of the first cylinder and smaller than the diameter of the second cylinder, and the lantern ring 3 can float between the knife backs of the annular groove and the blade freely in the shredding process, so that a better vibration effect is guaranteed.

In an optional implementation manner of this embodiment, the ring grooves are not disposed at two ends of the knife roller shaft 1, but are disposed in the middle range of the knife roller shaft 1, and the knife grooves are disposed at two ends of the outer circumferential surface of the knife roller shaft 1, so as to provide a plurality of supporting points for the blades 2, improve the mounting stability of the blades, and further ensure the shredding effect.

An optional implementation of this embodiment, set up a plurality of toothholders fixed blade on cutter roller axle 1, the quantity of annular is a plurality ofly, form an annular between two adjacent toothholders, both ends and middle part through at the blade all set up the toothholders, provide a plurality of strong points for the blade, effectively prevent the blade deformation, increase strength, thereby make the blade have better stability when shredding, overcome the blade overlength and leaded to middle part to warp too big influence and shred the defect that the effect and easy emergence fracture, under the same condition of thickness, this embodiment can set up the longer blade of length, blade length can reach 300 at least and give other good luck 400mm, installation stability is better, it is better to shred the length homogeneity, thereby it shreds efficiency to show to have promoted.

Specifically, the cutter roller shaft 1 includes a first carrier 11, a second carrier 12, a third carrier 13, and a shaft body 14; the first tooth holder 11, the second tooth holder 12 and the third tooth holder 13 are coaxially arranged on the shaft body 14, the first tooth holder 11 is arranged in the middle of the cutter roll shaft 1, and the second tooth holder 12 and the third tooth holder 13 are sequentially arranged from the first tooth holder 11 to two sides of the shaft body 14; after each toothholder was installed on axis body 14, all formed the annular between first toothholder 11 and second toothholder 12, second toothholder 12 and the third toothholder 13, the quantity of annular is 4, and the both sides of annular all have the sword groove, and the diameter of annular is less than the internal diameter of the lantern ring 3, in the installation of cutter roller axle 1, accomplishes the non-deformation installation of the lantern ring 3.

More specifically, as shown in fig. 5, the first tooth holder 11 has a first tooth holder body 111, the first tooth holder body 111 has a cylindrical structure, the first tooth holder body 111 is integrally formed on the shaft body 14, a first protrusion ring is disposed on an outer circumference of the first tooth holder body 111, a first knife slot 112 is disposed on an outer circumference of the first protrusion ring, and the first protrusion ring is disposed in a middle portion of the outer circumference of the first tooth holder body 111 to divide the first tooth holder body 111 into two portions.

As shown in fig. 6, the second tooth holder 12 has a second tooth holder body 121, the second tooth holder body 121 is a hollow cylinder structure, one end of the outer circumference of the second tooth holder body 121 is integrally provided with a second protrusion ring, and the outer circumference of the second protrusion ring is provided with a second knife groove 121.

As shown in fig. 7, the third tooth holder 13 has a third tooth holder body 131, the third tooth holder body 131 is a hollow cylinder structure, a third protrusion ring is disposed on an outer circumference of the third tooth holder body 131, and a third knife groove 132 is disposed on an outer circumference of the third protrusion ring.

The length directions of the first cutter groove 112, the second cutter groove 121 and the third cutter groove 131 are all arranged along the axial direction of the cutter roller shaft 1, and the groove depth directions of the first cutter groove 112, the second cutter groove 121 and the third cutter groove 131 are all uniformly arranged in a radial direction of the cutter roller shaft 1.

After the assembly is completed, a first ring groove is formed between the first protruding ring and the second protruding ring, a first lantern ring is installed on the first ring groove, a second ring groove is formed between the second protruding ring and the third protruding ring, and a second lantern ring is installed on the second ring groove.

In an alternative embodiment of this embodiment, the shaft 14, the first toothholder 11, the second toothholder 12, and the third toothholder 13 can be directly machined by a machine tool, and the raised ring can also be directly machined.

In order to reduce the cost, in the actual machining process, the first protruding ring, the second protruding ring and the third protruding ring are respectively welded on the first seat body 111, the second tooth seat body 121 and the third tooth seat body 131, and compared with the integral direct cutting of a machine tool, the welding method is more material-saving and lower in cost.

Considering that the cutter roller shaft 1 adopts a combined structure, the installation stability of the cutter roller shaft can influence the cutting effect. In an optional implementation manner of this embodiment, the first toothholder 11 is integrally formed in the middle of the cutter roller shaft 1, the second toothholder 12 and the third toothholder 13 are detachably sleeved on the shaft body 14, and the second toothholder 12, the third toothholder 13 and the first toothholder 11 are fixedly connected by using screws or positioning pins 6.

Specifically, the second tooth holder body 121 is provided with a first positioning pin hole, the first positioning pin hole penetrates through a side end face of the second tooth holder body 121, a center line of the first positioning pin hole is parallel to a central axis of the second tooth holder body 121, two side end faces of the first tooth holder body 111 are provided with first blind holes matched with the positioning pin holes, the positioning pin 6 is inserted into the first blind hole of the first tooth holder body 111 after being installed in the first positioning pin hole, and the second tooth holder 12 is fixedly connected with the first tooth holder 11;

in order to further prevent the second tooth holder 12 and the first tooth holder 11 from relatively rotating, a second positioning pin hole is further formed in the second tooth holder body 121, the second positioning pin hole is formed in the outer circumferential surface of the second tooth holder body 121, the central line of the second positioning pin hole is perpendicular to the central axis of the second tooth holder body 121 and is communicated with the central hole of the second tooth holder body 121, a second blind hole matched with the second positioning pin hole is formed in the shaft body 14 of the cutter roller shaft 1, a second positioning pin penetrates through the second positioning pin hole and the second blind hole to fix the second tooth holder 12 on the shaft body 14 of the cutter roller shaft 1, the second tooth holder can be effectively prevented from axially moving along the cutter roller shaft 1, and the installation stability of the second tooth holder 12 is improved.

Furthermore, the second positioning pin hole is a slotted hole, and after the second positioning pin is installed in the second positioning pin hole, the pin head of the second positioning pin cannot be exposed out of the circumferential surface of the second tooth seat body 121, so that the moving amplitude of the lantern ring is prevented from being influenced.

A third positioning pin hole is formed in the third tooth holder body 131, the third positioning pin hole is matched with the first positioning pin hole and the first blind hole, when the third tooth holder is assembled, a second tooth holder 12 and a third tooth holder 13 are sequentially installed at two ends of the shaft body 14, a positioning pin 6 penetrates through the third positioning pin hole and the second positioning pin hole on the first side of the shaft body 14 and the first blind hole on the first side of the first tooth holder body 111, and the second tooth holder 12 and the third tooth holder 13 on the first side are fixed on the first side of the first tooth holder 11; and another positioning pin 6 passes through a third positioning pin hole and a second positioning pin hole on the second side of the shaft body 14 and a first blind hole on the second side of the first tooth seat body 111, so that the second tooth seat 12 and the third tooth seat 13 on the second side are fixed on the second side of the first tooth seat 11. After the assembly is completed, a ring groove is formed between the first tooth holder 11 and the second tooth holder 12, and between the second tooth holder 12 and the third tooth holder 13, and the lantern ring is sleeved in the ring groove in the assembly process.

Because the lantern ring 3 adopts a floating installation mode, the outer diameters of the first tooth seat body 111 and the second tooth seat body 121 are the same and are both smaller than the inner diameter of the lantern ring 3, specifically, the outer diameter of the first tooth seat body 111 is a first diameter, the outer diameter of the second tooth seat body 121 is a second diameter, the inner diameter of the lantern ring 3 is a third diameter, the first diameter is equal to the second diameter and smaller than the third diameter, the second tooth seat 12 is coaxially arranged with the first tooth seat body 111 of the first tooth seat 11 and is abutted against the end surface, the third tooth seat 13 is coaxially arranged with the second tooth seat body 121 of the second tooth seat 12 and is abutted against the end surface, the lengths of the first tooth seat body 111 and the second tooth seat body 121 are the same, and the lantern ring 3 with the same structure and size parameters is matched, not only is the processing convenient, but also the moving amplitude of all lantern rings 3 in the shredding process can be ensured to keep the high consistency, the stress of each section of the blade 2 is kept consistent. Thereby improving the stability of the shredding effect.

In this embodiment, the shaft body 14 is designed to be a solid cylinder structure, instead of the hollow shaft body 14, and the first tooth seat body 111 is integrally disposed on the shaft body 14, instead of being detachably connected, because:

the cutter roller shaft can be provided with the cutter with longer length, the first tooth holder in the middle of the cutter roller shaft enables the middle of the cutter 2 to be stably fixed on the shaft body 14 of the cutter roller shaft 1 all the time, the stability of the cutter can be obviously improved, and the cutter is prevented from being broken due to relative rotation of the tooth holders in the shredding process; the solid shaft body is more convenient for the power connection of the cutter roller shaft 1 and an output shaft of a motor, the hollow shaft body is connected with the output shaft of the motor through other connecting sleeves, if a cutter blade with larger length is installed, the connecting sleeves with matched length are needed, the disassembling difficulty is large, the stability of the connecting sleeves with larger length and the inner wall of the hollow shaft body is poor, the hollow shaft body with larger length is more easily subjected to torsional deformation than the hollow shaft body with shorter length, and when the shredding amount is larger, the cutter roller shaft bears large torque force, so that the inner walls of the connecting sleeves and the hollow shaft body can relatively rotate or the connecting sleeves/the hollow shaft body can deform, even if the small relative movement or deformation can certainly cause adverse effects on the shredding uniformity and the working stability of equipment, especially, the cutter blade is more easily broken, the cutter blade is frequently replaced, and the;

the knife roll of the chopping machine of the embodiment further comprises a gland 4, wherein the gland 4 is installed at two ends of the knife roll shaft 1 and used for fixing the second tooth holder 12, the third tooth holder 13 and the blade 2.

Specifically, the third tooth holder body 131 is provided with a first screw hole, a center line of the first screw hole is parallel to a center line of the third tooth holder body 131, the gland 4 is provided with a second screw hole matched with the first screw hole, and the gland 4 is fixedly connected with the third tooth holder 13 by using a bolt, so that the third tooth holder 13 and the second tooth holder 12 are fixed on the cutter roller shaft 1.

In order to improve the mounting stability of the third toothholder 13 and prevent the blade from moving in the knife groove, the gland 4 is provided with a limiting part which is attached to the end surface of the third toothholder 13 to limit the axial movement of the blade 2 along the knife roller shaft 1.

In an alternative embodiment of this embodiment, the restriction is an inclined restriction plane; both ends of the insert 2 have first inclined side end surfaces 21, the end surface of the third tooth holder 13 has second inclined side end surfaces, and the side ports of the third cutter grooves 132 are positioned on the second inclined side end surfaces; the inclination angle of the inclination limiting plane is the same as the inclination angles of the second inclination side end face and the first inclination side end face 21. After the assembly is completed, the inclined limiting plane of the limiting part is attached to the second inclined side end face and the first inclined side end face 21, the mounting stability of the third support 13 is improved in a surface contact fixing mode, the blade 2 can be effectively prevented from moving in the cutter groove along the axial direction of the cutter roller shaft 1, the blade can be prevented from being easily broken due to uneven stress of the end part of the blade, and the service life of the blade can be prolonged.

Considering that the gland 4, the third toothholder 13 and the blade 2 are made of metal materials and have high hardness, the end faces of the gland 4, the third toothholder 13 and the blade 2 are in rigid contact, gaps are easily generated on the contact faces due to vibration in the shredding process, the shredding effect is affected, and the blade is easily broken due to rigid contact. Based on this, be equipped with clamping ring 5 between gland 4 and the third toothholder 13, clamping ring 5 is cyclic annular structure, and clamping ring 5 is made by polyurethane material, has certain elasticity, through setting up elastic clamping ring 5 for gland 4 becomes elastic contact by rigid contact with third toothholder 13, the side end face of blade 2, has not only promoted the installation stability, and effectual avoiding the blade fracture in addition prolongs the life of blade.

In an alternative embodiment of this embodiment, as shown in fig. 8, a pressing ring installation groove is disposed on the inclined limit plane of the pressing cover 4, the pressing ring 5 is provided with a third inclined side end surface, the inclined angle of the third inclined side end surface is the same as that of the inclined limit plane, after one end of the pressing ring 5 is installed in the pressing ring installation groove, the third inclined side end surface protrudes out of the inclined limit plane, the installation position of the pressing ring 5 is limited by this structure, the pressing ring is prevented from being removed, and the third inclined side end surface of the pressing ring protrudes out of the inclined limit plane, so that the elastic contact between the pressing cover 4 and the side end surfaces of the third tooth holder 13 and the blade 2 is ensured all the time, and the blade is prevented from being broken due to direct rigid contact with the pressing cover, thereby prolonging the service life of the blade.

Example 2

The invention further discloses a chopping machine, which comprises a chopping machine knife roller in the embodiment 1, wherein two ends of a knife roller shaft 1 are rotatably connected to a support through bearing seats.

Particularly, the chopping machine includes support, motor and chopping machine rotor, and the support plays the supporting role, is equipped with the bearing frame on the support, and the bearing is all installed on the bearing frame at the both ends of the axis body 14 of rotor shaft 1, not only makes things convenient for the dismouting, and two bearing frames support respectively and live a both ends moreover, and it is built on stilts in the middle of the rotor in other words to the axis body 14 is solid construction, can bear bigger pressure, thereby guarantees the job stabilization nature and the reliability of rotor.

The above-mentioned embodiments, objects, technical solutions and advantages of the present application are described in further detail, it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present application, and are not intended to limit the scope of the present application, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present application should be included in the scope of the present application.

Claims (10)

1. A chopping machine knife roll, comprising:

the cutter roller shaft (1), the outer circumference of the cutter roller shaft (1) is provided with a cutter groove and a ring groove; the cutter grooves extend along the axial direction of the cutter roller shaft (1) and are uniformly arranged in the circumferential direction; the ring groove is arranged along the circumferential direction of the cutter roller shaft (1);

the blade (2), one end of the blade (2) is installed in the cutter groove, and the other end of the blade extends out of the cutter groove;

the lantern ring (3) is sleeved in the annular groove, and a plurality of axially extending tooth grooves (31) are formed in the outer circumferential surface of the lantern ring (3) and used for the blade (2) to penetrate through; the slot wall of the tooth slot (31) has elasticity.

2. The chopping machine knife roll according to claim 1, characterized in that the knife roll shaft (1) comprises a shaft body (14) and a plurality of tooth holders arranged on the shaft body (14), the knife grooves are uniformly arranged on the tooth holders, and the ring groove is formed between two adjacent tooth holders.

3. The chopping machine knife roll according to claim 2, characterized in that the toothholders comprise a first toothholder (11), a second toothholder (12) and a third toothholder (13), the first toothholder (11) is arranged in the middle of the shaft body (14), and the second toothholder (12) and the third toothholder (13) are sequentially arranged from the first toothholder (11) to two sides of the shaft body (14).

4. The chopping machine knife roll according to claim 3, characterized in that the first toothholder (11) is integrally formed in the middle of the shaft body (14), and the second toothholder (12) and the third toothholder (13) are sleeved on the shaft body (14).

5. The chopping machine knife roll according to claim 4, characterized in that the first tooth holder (11) has a first tooth holder body (111), the outer circumference of the first tooth holder body (111) is provided with a first raised ring, the outer circumference of the first raised ring is provided with a first knife slot (112);

the second tooth holder (12) is provided with a second tooth holder body (121), the second tooth holder body (121) is of a hollow cylindrical structure, one end of the outer circumference of the second tooth holder body (121) is provided with a second protrusion ring, and the outer circumference of the second protrusion ring is provided with a second knife groove (121);

the third tooth holder body (13) is provided with a third tooth holder body (131), the third tooth holder body (131) is of a hollow cylinder structure, a third raised ring is arranged on the outer circumference of the third tooth holder body (131), and a third knife groove (132) is arranged on the outer circumference of the third raised ring.

6. The chopping machine knife roll according to claim 5, characterized in that the outer diameter of the first tooth holder body (111) is a first diameter, the outer diameter of the second tooth holder body (121) is a second diameter, and the inner diameter of the collar (3) is a third diameter, the first diameter being equal to and smaller than the second diameter.

7. A chopping machine knife roll according to any one of claims 1 to 6, characterized in that the number of gullets is the same as the number of knife slots, the gullets having a slot width larger than the thickness of the blade (2).

8. The chopping machine knife roll according to any one of claims 1 to 7, characterized by further comprising a gland (4), the gland (4) being mounted at both ends of the knife roll shaft (1) to fix the second toothholder (12), the third toothholder (13) and the blade (2).

9. A chopping machine knife roll according to claim 8, characterized in that the collar (3) is made of an elastic material.

10. A chopping machine, characterized in that it comprises a chopping machine knife roll according to any of claims 1 to 9, the two ends of the knife roll shaft (1) are rotatably connected to a support through bearing blocks.

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