CN214447695U

CN214447695U - Shredder rotating shaft mechanism with rectangular cutter staggered shearing function

Info

Publication number: CN214447695U
Application number: CN202120392237.4U
Authority: CN
Inventors: 缪申羚
Original assignee: Avin Shanghai Machinery Co ltd
Current assignee: Avin Shanghai Machinery Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-10-22
Anticipated expiration: 2031-02-23

Abstract

The utility model relates to a waste recycling technical field's a shredder pivot mechanism with rectangle cutter dislocation is cuted, include: a spindle which can be driven to rotate; a rotating shaft sleeve positioned and connected on the main shaft, wherein a plurality of tooth-shaped grooves are uniformly distributed on the outer peripheral surface of the rotating shaft sleeve along the axial direction; a plurality of movable cutter fixing pieces fixed on the outer peripheral surface of the rotating shaft sleeve are embedded, and the movable cutters are matched with fixed cutters fixedly arranged on the inner wall of the shredder cavity body to shred the materials; wherein, the tooth-shaped groove is provided with a plurality of cutter grooves, two adjacent cutter grooves are arranged with different embedding depths along the axial direction, cutter seats are arranged in the cutter grooves, and the cutter seats are provided with movable cutter mounting structures; the movable cutter fixing pieces are staggered along the shaft from the movable cutter fixing pieces arranged in the middle of the shaft along the axial direction by taking the visual angle of the movable cutter fixing pieces facing the axis of the main shaft as the standard, and each movable cutter fixing piece is not in the same straight line; adopt the utility model discloses, simple structure is difficult for the card material, and the cutter installation is stable, and it is convenient to change, effectively improves production efficiency, reduces equipment power consumption and maintenance cost.

Description

Shredder rotating shaft mechanism with rectangular cutter staggered shearing function

Technical Field

The utility model relates to an abandonment solid object retrieves technical field, particularly, is a shredder pivot mechanism with rectangle cutter dislocation is cuted.

Background

Currently, shredders are coarse crushing machines that shred raw materials or scraps, off-spec products, recyclable waste into smaller pieces for recycling, and are commonly used in the field of recycling large solid waste, such as: waste products such as large-caliber PE plastic pipes, bundled and packaged plastic films, textile materials, large stacks of plastic blocks and machine head waste are crushed.

In the prior art, the cutter of the rotating shaft of the roll-cutting shredder has small shearing area, low efficiency and unstable cutter structure, a cutter holder is easy to loosen and fall off, and the clearance between the outer peripheral surface of the rotating shaft and a fixed cutter is large, so that the material is easy to clamp and the working efficiency is influenced.

Disclosure of Invention

The utility model aims at providing a shredder pivot mechanism with rectangle cutter dislocation is cuted to solve among the prior art problem of inefficiency, cutter structure insecure, easy card material.

The purpose of the utility model is realized like this: a shredder spindle mechanism with rectangular cutter staggered shearing, which is arranged in a shredder cavity, comprises:

A spindle which can be driven to rotate;

the rotating shaft sleeve is positioned and connected on the main shaft, and a plurality of tooth-shaped grooves are uniformly distributed on the peripheral surface of the rotating shaft sleeve along the axial direction;

a plurality of movable cutter fixing pieces fixed on the peripheral surface of the rotating shaft sleeve in an embedded manner;

the tooth-shaped groove is provided with a plurality of cutter grooves, the embedded depth values of the cutter grooves are two, and the two cutter grooves with different embedded depths are arranged at intervals;

a cutter holder is arranged in the cutter groove, and a movable cutter mounting structure is arranged on the cutter holder;

the movable cutter fixing piece comprises a cutter holder and a movable cutter;

the movable knife fixing pieces are staggered along the shaft from the movable knife fixing pieces arranged in the middle of the shaft along the axial direction according to the visual angle of the axis of the main shaft, and all the movable knife fixing pieces are not in the same straight line.

Furthermore, the tooth-shaped grooves are of a structure with two inner surfaces perpendicular to each other, the tooth-shaped grooves are annularly arranged on the outer peripheral surface of the rotating shaft sleeve, and adjacent surfaces of two adjacent tooth-shaped grooves are intersected and form an included angle of 90 degrees.

Furthermore, the cutter groove is of a rectangular opening structure and is provided with a rectangular groove matched with the cutter holder, the periphery of the rectangular groove is provided with a plane along the opening direction, and the plane is connected with the tooth-shaped groove on the peripheral surface of the rotating shaft sleeve to form a surface; the embedding depth of two adjacent cutter grooves on the peripheral surface of the rotating shaft sleeve along the axial direction is different by taking the visual angle of the right side to the axis of the main shaft as the standard.

Further, the blade holder is the cuboid structure, and every blade holder sets up 3 or above through-holes, will move the sword mounting and be connected fixedly with the pivot cover through the bolt.

Furthermore, the movable knife is of a rectangular structure, is provided with two knife edge surfaces and more than two through holes, and is detachably mounted on the movable knife mounting structure matched with the movable knife.

Furthermore, the moving blade mounting structure is provided with a plurality of moving blade mounting positions, and the moving blade mounting positions are of a structure with three mutually vertical inner surfaces and are matched and attached to the bottom surface and the vertical side surface of the moving blade.

Furthermore, a plurality of moving blade fixing screw holes which correspond to the through holes in the moving blade one to one are formed in the moving blade mounting position, and the moving blade is fixedly connected to the moving blade mounting position in a penetrating mode through fixing bolts.

The beneficial effects of the utility model reside in that:

1. by taking the axis of the main shaft as the standard, the utility model adopts the staggered arrangement of the rectangular cutters, and each movable cutter is not on the same straight line, when the main shaft rotates, a working area is formed in which materials are intensively sheared in a staggered way, and the fixed cutter only shears one movable cutter, therefore, the structural design enables the shearing force of the movable cutter to be larger and the stress to be smaller, the whole shearing area to be enlarged, the production efficiency is effectively improved, and the energy consumption of equipment is reduced;

2. The outer peripheral surface of the rotating shaft sleeve is annularly provided with a toothed groove, so that the gap between the rotating shaft and the fixed cutter is reduced, and the blockage caused by the accumulation of materials in the gap between the rotating shaft and the fixed cutter can be avoided;

3. two cutter grooves with different embedding depths are formed in the tooth-shaped groove to form different rotating diameters of two adjacent movable cutters in the axial direction, so that the movable cutters are matched with corresponding fixed cutters to form efficient bisection;

4. the tool apron is provided with a moving tool mounting structure and is firmly fixed with the rotating shaft sleeve by adopting at least three bolts, so that the moving tool is more convenient and accurate to mount and works more stably and reliably;

5. the movable knife is provided with two knife edge surfaces, and after one knife edge surface is abraded, the movable knife can be rotated to the other knife edge surface for continuous use, so that the service life of the movable knife is prolonged, and the cost is saved.

Drawings

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

FIG. 2 is a development view of the knife channel distribution.

Fig. 3 is a view showing a structure of the tool holder.

Fig. 4 is a view showing the installation structure of the movable blade holder.

Fig. 5 is an axial view angle installation diagram of the present invention.

In the figure: 1-a main shaft; 2-a rotating shaft sleeve; 3-a toothed groove; 4-moving blade fixing part; 5-a knife slot; 6-a tool apron; 7-moving the knife; 8-moving blade mounting position; 9-moving blade fixing screw holes; 10-stationary knife.

Detailed Description

The invention will be further described with reference to the accompanying figures 1-5 and the specific embodiments.

As shown in fig. 1 and 5, a shredder rotating shaft mechanism with rectangular cutter staggered shearing is arranged in a shredder cavity and comprises a main shaft 1 which can be driven to rotate, a rotating shaft sleeve 2 which is connected on the main shaft 1 in a positioning way and is provided with a plurality of tooth-shaped grooves 3 on the outer peripheral surface along the axial direction, a plurality of movable cutter fixing parts 4 which are fixed on the outer peripheral surface of the rotating shaft sleeve 2 in an embedding way, and a movable cutter 7 is matched with a fixed cutter 10 which is fixedly arranged on the inner wall of the shredder cavity to shred materials.

As shown in fig. 1 and 2, the movable blade holders 4 are staggered from the movable blade holder 4 disposed in the middle of the shaft along the shaft in the axial direction, and each movable blade holder 4 is not in the same straight line, with respect to the view of facing the axis of the main shaft 1.

As shown in fig. 1, the tooth-shaped grooves 3 are formed such that two inner surfaces thereof are perpendicular to each other, and are disposed around the outer circumferential surface of the rotating shaft sleeve 2, and adjacent surfaces of two adjacent tooth-shaped grooves 3 intersect to form an included angle of 90 °. Because the tooth-shaped groove 3 is arranged, the gap between the outer peripheral surface of the rotating shaft sleeve 2 and the fixed cutter is reduced, and the blockage caused by the accumulation of materials in the gap between the rotating shaft and the fixed cutter 10 can be avoided.

As shown in fig. 1 and 4, the movable blade fixing member 4 includes a blade holder 6 and a movable blade 7, and the movable blade 7 has a rectangular structure and is provided with two blade surfaces; after one blade surface of the movable blade 7 is abraded, the movable blade 7 can be rotated to the other blade surface for continuous use, and the service life of the movable blade 7 is prolonged.

As shown in fig. 1 and 2, in order to facilitate the installation and positioning of the movable blade fixing member 4, a plurality of cutter grooves 5 arranged along the axial direction in a staggered manner are formed on the tooth-shaped groove 3, and a detachable cutter holder 6 is installed in each cutter groove 5.

As shown in fig. 2, the knife slot 5 has a rectangular opening structure, and is provided with a rectangular slot matched with the knife holder 6, the periphery of the rectangular slot is provided with a plane along the opening direction, and the rectangular slot is connected with the tooth-shaped slot 3 on the outer peripheral surface of the rotating shaft sleeve 2 to form a surface, so that the structural design obviously reduces the manufacturing difficulty, and the moving knife 7 can be directly detached and replaced on the rotating shaft sleeve 2, thereby being convenient for installation and maintenance; the depth value of the knife grooves 5 is A, B, and the two knife grooves 5 with different depth are arranged at intervals, so that different rotating diameters of two adjacent moving knives 7 in the axial direction are formed, and the two moving knives are matched with the corresponding fixed knife 10 to form high-efficiency bisection.

As shown in fig. 3, the tool apron 6 is a rectangular parallelepiped structure, and each tool apron 6 is provided with 3 through holes, and is connected and fixed with the rotating shaft sleeve 2 through bolts; the tool apron 6 is provided with a movable blade mounting structure, the movable blade mounting structure is provided with a plurality of movable blade mounting positions 8, and the movable blade mounting positions 8 are of structures with three inner surfaces vertical to each other and are matched and attached to the bottom surface and the vertical side surface of the movable blade 7. Due to the arrangement of the tool apron 6, the movable tool 7 is more convenient to mount and more stable and reliable to work; due to the arrangement of the movable knife mounting structure, the manufacturing difficulty is reduced, and the precision of movable knife mounting is improved.

As shown in fig. 3, the movable blade mounting position 8 is provided with a plurality of movable blade fixing screw holes 9 corresponding to the through holes on the movable blade 7 one by one, and the movable blade 7 is fixed on the movable blade mounting position 8 through a fixing bolt.

The principle of the embodiment is as follows:

after the main shaft 1 is driven to rotate, the movable cutter 7 synchronously rotates along with the rotating shaft sleeve 2, in the rotating process, the movable cutters in the rectangular body structure in staggered arrangement gather materials to form a staggered shearing working area, only one movable cutter and one fixed cutter on the same straight line are sheared, and due to the structural design, the movable cutters can generate larger shearing force, the whole cutting area is largest, the stress of the movable cutters is smaller, the cutting efficiency is effectively improved, and the energy consumption of equipment is reduced. In addition, the detachable movable knife fixing piece and the movable knife with two knife edge surfaces which are firmly fixed ensure the safety and stability of the operation of the knife and prolong the service life of the knife; the tooth-shaped groove is formed in the outer peripheral surface of the rotating shaft sleeve 2, so that the gap between the rotating shaft and the fixed cutter is reduced, and the phenomenon that materials are accumulated in the gap between the rotating shaft and the fixed cutter 10 to cause blockage is avoided.

The above are preferred embodiments of the present invention, and those skilled in the art can make various changes or improvements on the above embodiments without departing from the general concept of the present invention, and such changes or improvements should fall within the protection scope of the present invention.

Claims

1. A shredder spindle mechanism with rectangular cutter staggered shearing, which is arranged in a shredder cavity, comprises: a spindle (1) which can be driven to rotate; the rotating shaft sleeve (2) is positioned and connected on the main shaft (1), and a plurality of tooth-shaped grooves (3) are uniformly distributed on the peripheral surface of the rotating shaft sleeve along the axial direction; the movable knife fixing pieces (4) are embedded and fixed on the outer peripheral surface of the rotating shaft sleeve (2);

the method is characterized in that: wherein, a plurality of cutter grooves (5) are arranged on the tooth-shaped groove (3), two cutter grooves (5) with different embedding depths are arranged at intervals;

a cutter holder (6) is arranged in the cutter groove (5), and the cutter holder (6) is provided with a movable cutter mounting structure;

the movable knife fixing piece (4) comprises a knife holder (6) and a movable knife (7);

the movable cutter fixing pieces (4) are staggered from the movable cutter fixing pieces (4) arranged in the middle of the shaft along the shaft in the axial direction according to the view angle of the axis of the main shaft (1), and all the movable cutter fixing pieces (4) are not in the same straight line.

2. A shredder spindle mechanism with rectangular cutter offset shear according to claim 1, wherein: the tooth-shaped grooves (3) are of a structure with two inner surfaces perpendicular to each other, the tooth-shaped grooves are annularly arranged on the outer peripheral surface of the rotating shaft sleeve (2), and adjacent surfaces of two adjacent tooth-shaped grooves (3) are intersected and form an included angle of 90 degrees.

3. A shredder spindle mechanism with rectangular cutter offset shear according to claim 1, wherein: the cutter groove (5) is of a rectangular opening structure and is provided with a rectangular groove matched with the cutter holder (6), the periphery of the rectangular groove is provided with a plane along the opening direction, and the plane is connected with the tooth-shaped groove (3) on the outer peripheral surface of the rotating shaft sleeve (2) to form a surface; the embedding depth of two adjacent cutter grooves (5) along the axial direction on the peripheral surface of the rotating shaft sleeve (2) is different by taking the visual angle of the axis of the main shaft (1) as the standard.

4. A shredder spindle mechanism with rectangular cutter offset shear according to claim 1, wherein: the tool apron (6) is of a cuboid structure, each tool apron (6) is provided with 3 or more through holes, and the moving tool fixing piece (4) and the rotating shaft sleeve (2) are fixedly connected through bolts.

5. A shredder spindle mechanism with rectangular cutter offset shear according to claim 1, wherein: the movable knife (7) is of a rectangular structure, is provided with two knife edge surfaces and more than two through holes, and is detachably mounted on the movable knife mounting structure matched with the movable knife mounting structure.

6. A shredder spindle mechanism with rectangular cutter offset shear according to claim 5 wherein: the movable knife mounting structure is provided with a plurality of movable knife mounting positions (8), the movable knife mounting positions (8) are of a structure with three mutually vertical inner surfaces, and the movable knife mounting positions are matched and attached to the bottom surface and the vertical side surface of the movable knife (7).

7. A shredder spindle mechanism with rectangular cutter offset shear according to claim 6, wherein: the movable knife mounting position (8) is provided with a plurality of movable knife fixing screw holes (9) which correspond to the through holes in the movable knife (7) one by one, and the movable knife is fixed on the movable knife mounting position (8) in a penetrating way through a fixing bolt.