CN210483725U

CN210483725U - Crusher and mechanical cutting pick for waste treatment

Info

Publication number: CN210483725U
Application number: CN201920992926.1U
Authority: CN
Inventors: 周志建
Original assignee: Zhejiang Pacific Machinery Co Ltd
Current assignee: Zhejiang Pacific Machinery Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-05-08
Anticipated expiration: 2029-06-28

Abstract

The utility model provides a rubbing crusher and waste product processing are with mechanical pick, it includes that columniform handle of a knife and columniform tool bit body constitute, the front end post head center department of tool bit body is equipped with the semicircular deep hole that is of an indent to be equipped with an annular alloy groove around the deep hole, be equipped with a plurality of evenly distributed's circular aperture in this alloy groove, and it has vertical bar form carbide piece to inlay in the aperture, the outside of carbide piece is equipped with the round and is the slope form be used for the location limit that is used for the location, the outside of tool bit body is for having one to be used for fixed annular positioning groove, two links of annular positioning groove are equipped with the transition slope that the location was used respectively, and the bottom of its tool bit also is equipped with the transition slope that is used for the location, the diameter of tool bit body is greater than the diameter of. The novel wear-resistant rubber belt has the characteristics of simple and reasonable structure, convenience in use, capability of increasing the wear resistance of the surface of a product, high strength, high fastness, capability of prolonging the service life of the product, improving the service efficiency of the product and the like.

Description

Crusher and mechanical cutting pick for waste treatment

Technical Field

The invention relates to the field of excavators, in particular to a crusher and a mechanical cutting pick for waste treatment.

Background

The mining cutting tooth is one of the vulnerable parts in coal mining and roadway tunneling machinery, is a main tool for coal falling and breaking, and has the performance that the performance of the cutting tooth directly influences the exertion of the production capacity of the coal mining machinery, the power consumption, the working stability and the service life of other related parts. The existing mining cutting pick mainly comprises a cutting pick body and a hard alloy tool bit, wherein the hard alloy tool bit is embedded in a concave hole at the end part of the cutting pick body and fixedly connected through brazing. The hard alloy tool bit at the head part of the mining cutting pick has a coal mining effect and good wear resistance, so that a certain wear-resistant mining effect can be achieved, and the service life of the cutting pick is prolonged; however, as a mineral cutting pick product, in a specific mining process, the whole cutting pick extends into a coal mine layer, wherein the head hard alloy cutter head plays a forward rotating propelling role, and the whole cutting pick body, particularly the front end part of the cutting pick body close to and provided with the hard alloy cutter head, is also subjected to more or less strong friction of the coal mine layer.

Disclosure of Invention

An object of the utility model is to overcome the not enough of prior art existence, and provide a simple structure, reasonable, convenient to use can increase the wearability on product surface, and intensity is big, the fastness is high, can improve product life and availability factor's mining pick.

The purpose of the utility model is accomplished through following technical scheme: a crusher and a mechanical cutting pick for waste treatment comprise a cylindrical cutter handle and a cylindrical cutter head body, wherein an inwards concave deep hole in an inverted circular truncated cone shape is arranged at the center of a front end column head of the cutter head body, an annular alloy groove is arranged around the deep hole at the top of the cutter head body, a plurality of uniformly distributed circular small holes are arranged in the alloy groove, vertical bar-shaped hard alloy blocks are embedded in the small holes, a circle of slope-shaped transition edge for positioning is arranged on the outer side of each hard alloy block, an annular positioning groove for fixing is arranged on the outer side of the cutter head body, transition slopes for positioning are respectively arranged at the upper end and the lower end of the annular positioning groove, the lower end of the transition slope extends outwards to the bottom of the cutter head body, the bottom edge end of the transition slope is upwards turned up to form a skirt edge with the diameter of the bottom of the skirt edge larger than the front end of the cutter head body, and the bottom of the skirt edge is also, the diameter of the tool bit body is larger than that of the tool shank.

Preferably, the method comprises the following steps: the utility model discloses a transition tool, including cylindrical handle of a knife, cylindrical handle of a knife upper portion top is equipped with the circular support face that outwards turns out that a connecting tool bit bottom was used, cylindrical handle of a knife lower part is equipped with an annular snap ring groove to form the bottom seat of outside disc form, be equipped with the toper slope that the location of being convenient for was used in the transition on this bottom seat, be equipped with one between handle of a knife upper portion and the lower part and contract in the slant transition slope to handle of a knife upper portion diameter is greater than the diameter of handle of a knife lower part and does not have, forms a fixed part.

Preferably, the method comprises the following steps: the two sides of the top of the hard alloy block are respectively provided with a semicircular slope surface, the two semicircular slope surfaces extend towards the middle to form a strip-shaped protruding working sharp strip, and the hard alloy blocks are at least 12 and are arranged in circular small holes in the alloy groove in a pairwise opposite mode.

The utility model belongs to an improvement to prior art, have simple structure, reasonable, convenient to use can increase the wearability on product surface, and intensity is big, fastness is high, can improve characteristics such as product life and availability factor.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of fig. 1 taken along direction a.

Detailed Description

The invention will be described in detail below with reference to the following figures: FIG. 1 shows: a crusher and a waste disposal mechanical cutting pick comprise a cylindrical cutter handle 1 and a cylindrical cutter head body 2, wherein the center of the front end of the cutter head body 2 is provided with an inwards concave deep hole 3 in the shape of an inverted circular truncated cone, an annular alloy groove 4 is arranged around the deep hole at the top of the cutter head body 2, a plurality of uniformly distributed round small holes 5 are arranged in the alloy groove 4, a vertical bar-shaped hard alloy block 6 is embedded in each small hole 5, the outer side of each hard alloy block 6 is provided with a slope-shaped transition edge 7 for positioning, the outer side of the cutter head body 2 is provided with an annular positioning groove 8 for fixing, the upper end and the lower end of the annular positioning groove 8 are respectively provided with a transition slope 9 for positioning, the lower end of the transition slope extends outwards to the bottom of the cutter head body, the bottom edge end of the bottom edge of the annular positioning groove is upwards turned to form a bottom diameter 10 which is larger than the front end of the cutter head body, the bottom of the skirt edge 10 is also provided with a transition slope 11 for positioning, and the diameter of the tool bit body 2 is larger than that of the tool shank 1.

Preferably, the method comprises the following steps: the utility model discloses a tool bit, including cylindrical handle of a knife 1, cylindrical handle of a knife 1 upper portion top is equipped with a circular holding surface 12 that outwards turns out that connects tool bit bottom and use, cylindrical handle of a knife lower part is equipped with an annular snap ring groove 13 to form outside disc-shaped bottom seat 14, be equipped with a toper slope 15 that the location of being convenient for was used for the transition on this bottom seat, be equipped with one between handle of a knife upper portion and the lower part and contract and slant decurrent transition slope 16 in to handle of a knife upper portion diameter is greater than the diameter of handle of a knife lower part and does not, forms a fixed.

Preferably, the method comprises the following steps: two sides of the top of the hard alloy block are respectively provided with a semicircular slope surface 18, the two semicircular slope surfaces extend towards the middle to form a strip-shaped protruding working sharp strip 19, and at least 12 hard alloy blocks 6 are oppositely arranged in the circular small holes 5 in the alloy groove in pairs.

The cylindrical hard alloy is uniformly distributed at the front end taper angle head part of the tool bit body, and because the cylindrical hard alloy is deeply embedded into the corresponding deep hole at the taper angle head part and is firmly welded, the welding firmness is greatly improved, the wear resistance of the product is increased, and the service life of the product is prolonged; additionally the utility model discloses still be equipped with the constant head tank on the 2 toper outer walls of tool bit body, the constant head tank sets up on the tool bit, let, tool bit and hou mian blade holder are more fastened, and the diameter of tool bit is greater than the handle of a knife, make the contact surface increase between tool bit and the handle of a knife junction, it lets the pick not fragile to have increased area of contact, the bottom of tool bit is equipped with the shirt rim, the handle of a knife at rear can be protected to this shirt rim also let the tool bit during operation, it gets into the rear to keep off thin garrulous powder, this wear resistance that has also improved the product greatly, the life of product is.

Claims

1. A mechanical cutting pick for a pulverizer and waste product treatment comprises a cylindrical cutter handle and a cylindrical cutter head body, and is characterized in that a concave inverted frustum-shaped deep hole is formed in the center of the front end of the cutter head body, an annular alloy groove is formed in the periphery of the deep hole in the top of the cutter head body, a plurality of uniformly distributed round small holes are formed in the alloy groove, vertical strip-shaped hard alloy blocks are embedded in the small holes, a slope-shaped transition edge is arranged on the outer side of each hard alloy block and used for positioning, an annular positioning groove used for fixing is formed in the outer side of the cutter head body, transition slopes used for positioning are respectively arranged at the upper end and the lower end of the annular positioning groove, the lower end of each transition slope extends outwards to the bottom of the cutter head body, and the bottom edge end of each transition slope is upwards turned to form a skirt edge with the diameter of the bottom larger than the front end of the cutter head body, the bottom of the skirt edge is also provided with a transition slope for positioning, and the diameter of the tool bit body is larger than that of the tool shank.

2. The shredder and mechanical cutting pick for waste disposal according to claim 1, wherein the top end of the upper portion of the cylindrical shank has a circular support surface which is outwardly turned for connecting the bottom of the bit, the lower portion of the cylindrical shank has an annular snap ring groove and forms a bottom seat of an outer circular plate shape, the bottom seat has a tapered slope for facilitating the transition of positioning, a tapered and downwardly inclined transition slope is provided between the upper portion and the lower portion of the shank, and the diameter of the upper portion of the shank is larger than that of the lower portion of the shank, forming a fixing portion which is thicker at the top and narrower at the bottom.

3. A shredder and mechanical pick for waste disposal according to claim 1 wherein the top of the block of cemented carbide has semi-circular sloping surfaces on each side, the two semi-circular sloping surfaces extending towards the middle to form a protruding bar-shaped working tip, the block of cemented carbide has at least 12 blocks and is arranged in pairs opposite to each other in the circular aperture in the alloy trough.