CN111037801A

CN111037801A - Rubber block fine crushing mechanism of waste heavy-duty tire casing crushing robot

Info

Publication number: CN111037801A
Application number: CN202010110128.9A
Authority: CN
Inventors: 杨松
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-23
Filing date: 2020-02-23
Publication date: 2020-04-21

Abstract

The invention relates to the technical field of environmental protection, in particular to a rubber block fine-crushing mechanism of a waste heavy-duty tire outer tire crushing robot, which is characterized in that a pre-stressed annular anchor rope is designed to tightly and fixedly connect two flying shear discs into a cutter bowl, the maintenance and the replacement are convenient, and the key is to transfer the impact force, the extrusion force and the torque which need to be borne by the tooth blades on the flying shear discs to be borne by the pre-stressed annular anchor rope, in other words, the tooth blades on the flying shear discs are changed into a force transferring part and the pre-stressed annular anchor rope is changed into a force bearing part.

Description

Rubber block fine crushing mechanism of waste heavy-duty tire casing crushing robot

Technical Field

The invention relates to the technical field of environmental protection, in particular to a rubber block fine crushing mechanism of a waste heavy-duty tire casing crushing robot.

Background

Waste tires are common solid waste pollutants, people recycle the waste tires through a plurality of ways to realize harmless treatment, the existing treatment modes comprise rubber powder preparation, reclaimed rubber preparation, fuel oil preparation and the like, and the treatment modes all need to decompose and crush the waste tires. The existing waste tires mainly comprise car tires, truck tires, agricultural tires, engineering tires, special vehicle tires, aviation tires, motorcycle tires, bicycle tires and the like, wherein the truck tires have large number ratio, and the tires have complex structures and are not easy to decompose and break. The Chinese invention patent (patent application number is 201711403046.8, the patent name is tire breaking special knife roller structure and tire breaker adopting the same) discloses a tire breaking special knife roller structure and a tire breaker adopting the same, which is characterized in that: the invention relates to a special cutter roller structure for tire crushing, which comprises a main shaft and a cutter head; a plurality of cutter heads are arranged on the main shaft in parallel, each cutter head consists of a cutter head parent body and a cutter head, each cutter head parent body is in a regular polygon shape, and each side surface of each cutter head parent body is provided with the cutter head; the cutter head parent body and the cutter head are made of two different metal materials, the cutter head parent body is made of common strength metal materials, and the cutter head is made of high-wear-resistance high-hardness hard alloy. The invention also relates to a tire crusher with the special tire crushing cutter roller structure, wherein a pair of forced feeding rollers is arranged above the special tire crushing cutter shaft structure to carry out forced feeding on tires. The invention solves the defects of low durability, overhigh use cost and inconvenient replacement and maintenance of the traditional tire crusher cutter loss block. The chinese invention patent (patent application No. 201721641931.5, the patent name is a tire breaker cutter subassembly and this tire breaker) discloses a tire breaker cutter subassembly and this tire breaker, its characterized in that, the utility model discloses a tire breaker cutter subassembly, including blade disc, first blade, second blade, screw; the two surfaces of the cutter head are respectively provided with six blades, and each blade on each surface consists of four first blades and two second blades; the blade is configured into a quadrangle and an irregular shape with a convex hook; the first blade is in a quadrangle shape, the second blade is in an irregular shape, and the edge of the second blade is provided with a protruding hook-shaped blade; the cutter head is circular, grooves are formed in the two sides of the cutter head, and the shape of each groove is matched with that of the first blade and that of the second blade; the first blade and the second blade are fixed on the cutter head by screws. The utility model also discloses a tire breaker. The utility model can reduce the cutter cost of the crusher, and is convenient for maintaining and replacing the cutter; the double-sided mounting blade and the blade with eight cutting edges are adopted, so that the service life of the blade is greatly prolonged, the operation and maintenance cost of the crusher can be reduced, and the crushing efficiency is improved.

A waste tire crushing cutter in the prior art comprises a cutter head body and a cutter head body, wherein the cutter head body is made of common-strength metal materials, the cutter head body is made of high-wear-resistance high-hardness hard alloy, and the manufacturing method refers to a manufacturing method of a turning tool and a milling cutter in a metal cutting machine tool. In the second design blade in the prior art, the blade is in a quadrangle shape and an irregular shape with a convex hook, and the blades with the eight cutting edges are arranged on two sides, so that the shearing efficiency of rubber is improved, but the blades are very easy to damage when cutting high-strength steel wires.

Disclosure of Invention

Aiming at the problems, the invention aims to provide a rubber block fine crushing mechanism of a waste heavy-duty tire casing crushing robot, which is characterized in that: comprises a hydraulic coupler, a machine body and a fine crushing toothed roller.

The fine crushing toothed roller comprises a roller, a round key, a cutter bowl group and a prestress annular anchor rope, wherein a shearing edge on the roller surface of the roller is the cutter bowl group, the cutter bowl group transmits torque to the roller through the round key, the cutter bowl group is formed by combining 20-30 cutter bowls, each cutter bowl is formed by two flying shear disks, each flying shear disk is designed with a high-low order, the high-order part of each flying shear disk is provided with 4 sections of shearing tooth edges, the shearing tooth edges are uniformly distributed with 6-8 chip breaking grooves, the low-order part of each flying shear disk is provided with an annular anchor and an anchor rope saddle, the annular anchor is divided into two areas, a tensioning end anchor hole and a fixed end upset anchor hole are respectively designed, an Ø 3 prestress high-strength steel wire penetrates through the tensioning end anchor hole and surrounds the cutter bowl for a circle and then penetrates through the fixed end upset anchor hole to be cold-headed into a round upset, after an anchor is installed in the tensioning end anchor hole, prestress is applied to form a prestress annular, the prestress annular anchor rope, the two flying shear disks are tightly solidified into a cutter bowl group, and the cutter bowl groups on the roller surface, and the cutter bowls are correspondingly opened and closed in a reciprocating manner, so that the cutter bowl blocks are staggered.

The inventors have found that a heavy duty tire is composed of a cover, an inner tube and a rim strip. The outer tire consists of three main parts, namely a tire body, a tire tread and a tire bead, wherein the tire body is formed by laminating a plurality of layers of rubberized cord fabrics according to a certain angle, and the cord fabrics are usually made of high-strength steel wires and synthetic fiber rubberized fabrics; the tread contacts with the ground and is made of heat-resistant and shear-resistant rubber materials; the tyre bead is used for tightly fixing the tyre on a wheel rim, and mainly comprises a steel wire ring, triangular filling rubber and steel wire ring wrapping cloth.

The inventor finds that after a tire body is cut into 3-4 cm rubber blocks, the rubber blocks are usually coated with vulcanized rubber and internally provided with high-strength steel wire meshes, and no matter the rubber blocks are recycled for the purposes of blending concrete, proportioning asphalt pavement, filling rubber products, preparing regenerated rubber and the like, the rubber blocks are firstly coarsely crushed into 5-mesh rubber blocks, then the rubber blocks are further finely crushed into 10-12-mesh rubber particles, and steel wires are simultaneously separated: and in the coarse crushing stage, namely 3-4 cm rubber blocks are crushed into 5-mesh rubber blocks, and in the fine crushing stage, namely the 5-mesh rubber blocks are further crushed into 10-12-mesh rubber particles. In the fine crushing stage, the crushed 5-mesh rubber block contains fine steel wires, the mechanical efficiency of the shearing processing mode is highest, but the shear blade is preferentially suitable for crushing high-strength steel wires, so that the surface hardness of the shear blade needs to be improved, and a sufficient chip breaker groove needs to be designed, the shear blade is not easy to wear and radiate heat in time, and the surface carbonization of rubber particles due to high temperature is avoided.

The inventor finds that an open type double-roller crusher is adopted in a tire body rubber block fine crushing machine, a shear blade on the roller surface of a roller is a cutter bowl group, the cutter bowl group transmits torque to the roller through a round key, the cutter bowl group is formed by combining 20-30 cutter bowls, each cutter bowl is formed by two flying shear disks, each flying shear disk is designed to be of a high-low order, the high-order part of each flying shear disk is provided with 4 sections of shear tooth blades, the shear tooth blades are uniformly distributed with 6-8 chip breaking grooves, the low-order part of each flying shear disk is provided with a ring-shaped anchor and an anchor rope saddle, the ring-shaped anchor is divided into two areas, a tensioning end anchor hole and a fixed end upset anchor hole are respectively designed, one Ø 3 prestress high-strength steel wire penetrates through the tensioning end anchor hole and surrounds the cutter bowl for one circle, then penetrates through the fixed end upset anchor hole for cold heading to form an upset anchor rope, prestress ring-shaped anchor rope is applied after an anchor clamp is installed in the tensioning end anchor hole, two prestressing force ring-shaped anchor ropes are tightly solidified into one cutter bowl, a pair of cutter bowls, and the cutter bowls oppositely rotated on the roller surface, and the cutter bowls are opened and closed in a reciprocating mode, and the cutter bowl.

The inventor finds that the shear blade on the roller surface of the fine crushing toothed roller is preferentially suitable for crushing high-strength steel wires, and the situation that the shear blade is broken easily occurs due to the fact that the shear blade bears larger impact force and extrusion force and also needs to balance larger torque during shearing, so that the design of the prestress annular anchor rope enables two flying shear discs to be tightly solidified into a cutter bowl.

The inventor finds that 20CrMnTi forge pieces are adopted as flying shear discs, after finish machining, carbonitriding heat treatment is carried out, the surface hardness is HRA56-60, the core hardness is HRC25-28, two flying shear discs are sequentially assembled into a cutter bowl, the annular anchor of one flying shear disc is selected as a prestress applying platform, a Ø 3 prestress high-strength steel wire sequentially penetrates through a tension end anchor hole of the selected annular anchor and then penetrates through a fixed end heading anchor hole of the other flying shear disc along an anchor rope saddle, namely, the Ø 3 prestress high-strength steel wire penetrates through the fixed end heading anchor hole of the selected annular anchor after surrounding the cutter bowl for one circle, the steel wire is subjected to cold heading into a round heading by a hydraulic cold heading machine, then an anchor clamp is installed in the tension end anchor hole, anchor removing grease is evenly coated, prestress is applied by using a through hydraulic jack, the applied prestress is 60% of the strength of Ø 3 prestress high-strength steel wire, the two flying shear discs are tightly solidified into a cutter bowl, then the cutter bowl is sequentially penetrated into a cutter bowl group, and a cutter bowl group is connected by a high-and a cutter bowl group key.

The inventor finds that in order to solve the problem of tooth breakage of the tooth blade on the fine crushing tooth roller, in addition to transferring the impact force, the extrusion force and the torque which need to be born by the tooth blade on the fine crushing tooth roller to be born by the prestress annular anchor rope, the maximum torque born by the fine crushing tooth roller can be calculated according to the limit value of Ø 3 & lt 3 & gt prestress high-strength steel wire drawing force of 90%, and the torque born by the fine crushing tooth roller is limited by a hydraulic coupler.

Compared with the prior art, the invention has the advantages that firstly, the shearing edge on the roller surface of the fine crushing toothed roller is preferentially suitable for crushing high-strength steel wires, the shearing high-strength steel wires are made of materials with high hardness and high strength, and the situation that the shearing edge is easy to break is easy to occur because the shearing edge needs to bear larger impact force and extrusion force and also needs to balance larger torque during shearing, so that a pre-stressed annular anchor cable is designed to tightly and fixedly connect two flying shear discs into a cutter bowl, the key is to transfer the impact force, the extrusion force and the torque which need to be borne by the tooth edge on the flying shear discs to the pre-stressed annular anchor cable, namely, the tooth edge on the flying shear discs is changed into a force transferring piece, the pre-stressed annular anchor cable is changed into a force transferring piece, the working condition of the tooth edge on the flying shear discs is improved greatly, the service life is prolonged, secondly, the problem that the problem of tooth breakage of the tooth edge on the fine crushing toothed roller is solved, the impact force, the extrusion force and the annular torque which need to be borne by the fine crushing toothed roller are transferred to the pre-stressed annular anchor cable is transferred, and the torque is calculated according to Ø%, and the hydraulic force of the fine crushing toothed roller, and.

Drawings

Fig. 1 is a schematic structural view of a rubber block fine crushing mechanism of a waste heavy-duty tire casing crushing robot of the invention.

Fig. 2 is a schematic structural diagram of a big sample A of the rubber block fine crushing mechanism of the waste heavy-duty tire casing crushing robot.

FIG. 3 is a schematic structural diagram of the rubber block fine crushing mechanism of the waste heavy-duty tire casing crushing robot in the B direction.

Fig. 4 is a structural schematic diagram of a C big sample of the rubber block fine crushing mechanism of the waste heavy-duty tire casing crushing robot.

Fig. 5 is a schematic structural diagram of a rubber block fine crushing mechanism of the waste heavy-duty tire casing crushing robot of the invention.

FIG. 6 is a schematic view of an E-direction structure of the rubber block fine-crushing mechanism of the waste heavy-duty tire casing crushing robot of the invention.

FIG. 7 is a schematic structural diagram of a large F sample of the rubber block fine crushing mechanism of the waste heavy duty tire casing crushing robot of the invention.

1-roller 2-round key 3-cutter bowl group 4-prestress ring-shaped anchor cable 5-cutter bowl

6-ring type anchorage 7-anchor cable saddle 8-flying shear disk 9-tensioning end anchor hole

10-fixed end heading anchor hole 11-anchor clamp 12- Ø 3 prestressed high-strength steel wire

13-round heading 14-hydraulic coupler 15-machine body 16-fine crushing toothed roller.

Detailed Description

The invention is further described with reference to the following detailed description of embodiments and drawings.

As shown in fig. 1, 2, 3, 4, 5, 6 and 7, the rubber block crushing mechanism of the waste heavy-duty tire casing crushing robot is characterized in that: comprises a fluid coupling 14, a machine body 15 and a fine crushing toothed roller 16.

The fine crushing tooth roller 16 comprises a roller 1, a round key 2, a cutter bowl group 3 and a prestress annular anchor cable 4.

The roll surface upper shear edge of the roll 1 is a cutter bowl group 3, the cutter bowl group 3 transmits torque to the roll 1 through a round key 2, the cutter bowl group 3 is formed by combining 20-30 cutter bowls 5, each cutter bowl 5 is formed by two flying shear discs 8, each flying shear disc 8 is designed to have a high-low order, the high-order part of each flying shear disc 8 is designed to have 4 sections of shear tooth edges, the shear tooth edges are uniformly distributed with 6-8 chip breaking grooves, the low-order part of each flying shear disc 8 is designed to have a ring-shaped anchor 6 and an anchor rope saddle 7, the ring-shaped anchor 6 is divided into two areas, a tensioning end anchor hole 9 and a fixed end upset anchor hole 10 are respectively designed, a Ø 3 prestress high-strength steel wire 12 penetrates through the tensioning end anchor hole 9 and surrounds the cutter bowl 5 for a circle and then penetrates through the fixed end upset anchor hole 10 to be cold-headed into a round upset 13, prestress ring-shaped stress 4 is applied after an anchor clamp 11 is installed in the tensioning end anchor hole 9 to form prestress ring-shaped stress ring-shaped anchor rope 4, the two flying shear discs 8 are tightly solidified into two cutter bowls 5, the cutter bowls 5 are oppositely opened and the two cutter bowls oppositely, and the two cutter bowls are correspondingly, and the two cutter bowl groups of the two cutter.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. The rubber block fine crushing mechanism of the waste heavy-duty tire outer tire crushing robot is characterized by comprising a hydraulic coupler, a machine body and a fine crushing toothed roller, wherein the fine crushing toothed roller comprises a roller, a round key, a cutter bowl group and a prestress annular anchor rope, a shearing edge on the roller surface of the roller is the cutter bowl group, the cutter bowl group transmits torque to the roller through the round key, the cutter bowl group is formed by combining 20-30 cutter bowls, each cutter bowl is formed by two flying shear discs, each flying shear disc is designed to be high and low in level, 4 sections of shearing tooth edges are designed at the high-level part of each flying shear disc, the shearing tooth edges are uniformly distributed with 6-8 chip breaking grooves, annular anchors and anchor rope saddles are designed at the low-level part of each flying shear disc, the annular anchor saddles are divided into two areas, a tensioning end anchor hole and a fixed end anchor hole are respectively designed, Ø 3 prestress high-strength steel wire penetrates through the tensioning end anchor hole and surrounds the cutter bowl for a circle and then penetrates through the fixed end anchor head anchor hole to form a round cold heading round anchor head, the two high-level rotary anchor discs and two high-level rotary cutter bowl shearing anchor bowl cutters are oppositely solidified into two high-level rotary cutter bowl anchor bowl pieces in a same circle, and the cutter bowl shearing ring-shaped anchor bowl shearing anchor bowl.

2. The rubber block fine crushing mechanism of the waste heavy-duty tire casing crushing robot of claim 1, which is characterized in that: the prestressed annular anchor cable is designed to tightly and fixedly connect two flying shear discs into a cutter bowl, so that the maintenance and the replacement are convenient, and the key is to transfer the impact force, the extrusion force and the torque which need to be borne by the tooth blades on the flying shear discs to the prestressed annular anchor cable for bearing, in other words, the tooth blades on the flying shear discs become force transfer members, and the prestressed annular anchor cable becomes a stressed member.

3. The rubber block fine crushing mechanism of the waste heavy-duty tire casing crushing robot as claimed in claim 1, wherein in order to solve the problem of tooth breakage of the tooth blades on the fine crushing tooth rollers, impact force, extrusion force and torque which need to be borne by the tooth blades on the fine crushing tooth rollers are transferred to be borne by the pre-stressed annular anchor cable, the maximum torque borne by the fine crushing tooth rollers can be calculated according to the limit value of Ø 3% of the pre-stressed high-strength steel wire tensile force 90%, and the torque borne by the fine crushing tooth rollers is limited through a hydraulic coupler.