CN214346866U - Crossed crusher hammer disc structure - Google Patents

Abstract

The utility model discloses a crossing breaker hammer disks structure, including hammer disks working face, wheel hub and disk body, the tup shaft hole has been seted up with equidistance spaced state around the circumferencial direction of disk body on the disk body, the both sides of hammer disks working face are provided with the recess and are the cross distribution, the mounting hole has been seted up to the central point of disk body, and the circumferencial direction of disk body sets up the semi-circular indent that is equidistant distribution, the disk body has two, and be range upon range of distribution, weld respectively at wheel hub's upper and lower end through the mounting hole, the junction welding of two adjacent recesses of disk body has the stull, the disk body respectively with the inboard and the stull welded fastening of hammer disks working face, the first semi-circular indent of disk body faces hammer disks working face upper groove, the downthehole welding of hammer heads has the earrings. The hammer disk working face can be directly removed after being worn in the using process, the cross brace and the disk body are reserved, the hammer disk working face can be directly welded on the body again, and the working face only accounts for less than 10% of the total weight of the whole hammer disk, so that the using cost of a user is greatly reduced.

Description

Crossed crusher hammer disc structure

Technical Field

The utility model relates to the field of machine-building, especially a crossing breaker hammer disks structure.

Background

The crusher is widely applied to various fields of mines, smelting, building materials, roads, railways, water conservancy, chemical industry and the like. The rotor of the hammer crusher in the prior art generally comprises a main shaft, hammer disks arranged on the main shaft and hammers arranged between the adjacent hammer disks, when the crusher works, a motor drives the main shaft to rotate at a high speed, materials uniformly enter a crusher cavity, and the hammers which rotate at a high speed impact and cut and tear the materials until the materials are crushed.

The hammer disks for the existing hammer crushers are all integrally cast, and have the defects of long manufacturing time, high requirements on heat treatment process, easy occurrence of cracks during heat treatment and the like, the hammer disks are easy to break in the use process, the abraded surfaces of the hammer disks are not wear-resistant, surface hardening or manual casting of hard alloy nails is needed, the energy consumption is large during manufacturing, the environment is not protected, the environment protection concept is not met, and the working surfaces of the hammer disks need to be repaired after being abraded, so that the use cost is increased, and the hammer disks need to be integrally replaced after being damaged, and the material waste is large; the hammer disc structure is also a traditional disc structure, the crushing efficiency is not high, the material consumption of the whole disc is also high, and in addition, the later maintenance and replacement further improve the use cost of the hammer disc, so that the existing hammer disc structure needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a cross crusher hammer plate structure is designed.

Realize above-mentioned purpose the technical scheme of the utility model be, a crossing breaker hammer disks structure, including hammer disks working face, wheel hub and disk body, the circumferencial direction around the disk body has seted up the tup shaft hole with equidistance spaced state on the disk body, the both sides of hammer disks working face are provided with the recess and are the cross distribution, the central point of disk body puts and has seted up the mounting hole, just the semi-circular indent that is equidistant distribution is seted up to the circumferencial direction of disk body, the disk body has two, and is range upon range of distribution, welds respectively through the mounting hole wheel hub's last lower extreme, the junction welding of two adjacent recesses of disk body has the stull, the disk body respectively with the inboard and the stull welded fastening of hammer disks working face, the first semi-circular indent of disk body faces hammer disks working face upper groove, the downthehole welding of hammer head has the earrings.

As a further explanation of the cross brace, a positioning hole is formed in the center of the cross brace, and the end face of the cross brace is flush with the end face of the working face of the hammer disc.

As a further explanation of the ear ring, two ends of the ear ring extend out from two sides of the tray body, and the extending degree is adapted to the distance from the tray surface on one side of the tray body to the end surface of the cross brace.

As a further explanation of the disc bodies and the cross braces, the two disc bodies are arranged in a crossed and stacked mode, a gap exists between the two disc bodies, and the cross section of each cross brace is in an isosceles trapezoid shape.

As a further explanation of the hub, the hub is provided with a hammer disk fixing hole, and the inner wall of the hub is provided with a key groove.

As a further explanation of the working surface of the hammer disk, the material of the working surface of the hammer disk is high-strength wear-resistant steel with the hardness of HRC 45-50.

As a further supplement to the tray body and the crossbrace, the crossbrace and the tray body are made of standard steel material.

In a further addition to the earring and the hammer disk face, the outer circumference of the earring is tangent to the inner circumference of the hammer disk face.

The utility model has the advantages that the utility model provides a hammer crusher hammer disk with a brand new structure, the working surface of the hammer disk is made of high-strength wear-resistant steel plates, the steel plates have good impact toughness, the whole hardness is not reduced and the hardness is uniform after being worn, the other parts are made of standard steel plates, the structure has the advantages of simple manufacture, short manufacture period, low cost and the like under the condition of keeping the original service performance, the integral structure of the hammer disc adopts a cross-type groove design, thus, when the crusher works, the crushing efficiency can be improved, the crushing effect is improved, the two disc bodies are alternately and overlappingly welded on the working surfaces of the hub and the hammer disc, the hammer disk working face can be directly removed after being worn in the using process, the cross brace and the disk body are reserved, the hammer disk working face can be directly welded on the body again, and the working face only accounts for less than 10% of the total weight of the whole hammer disk, so that the using cost of a user is greatly reduced.

Drawings

Fig. 1 is a schematic plan view of the present invention;

fig. 2 is a schematic perspective view of the present invention.

In the figure, 1, a disc body; 2. a hammer disk working surface; 3. a hub; 4. a cross brace; 41. positioning holes; 5. an ear ring; 6. a hammer head shaft hole; 7. a hammer disk fixing hole; 8. a keyway.

Detailed Description

First of all, the utility model discloses a design original intention, current hammer crusher all adopts whole cast form with the hammer disks, manufacturing process and cost are all higher, and the phenomenon of rupture appears easily in the hammer disks in the use, at this moment just need restore hammer disks working surface after wearing and tearing, nevertheless because be whole casting shaping, can only whole change, this has improved practical cost undoubtedly again, and the hammer disks structure also is traditional disc structure, crushing efficiency is not high, the material materials of whole disc are also higher, in addition later maintenance change, the use cost of hammer disks has further been improved, the utility model discloses consider these shortcomings, a cross crusher hammer disks structure has been designed.

The following detailed description of the present invention is made with reference to the accompanying drawings, as shown in fig. 1-2, the hammer plate structure includes a hammer plate working surface 2, a hub 3 and two plate bodies 1, wherein the two plate bodies 1 are stacked and distributed, and a mounting hole is formed in the center of each plate body 1, the two plate bodies 1 are respectively welded to the upper end and the lower end of the hub 3 through the mounting holes, and the two plate bodies are integrated into a whole, which is a core and can be reused; a hammer head shaft hole 6 is further formed in the disc body 1 at equal intervals in the circumferential direction around the disc body 1, and an earring 5 is welded in the hammer head shaft hole 6 and used for hanging a hammer head; semicircular indents which are distributed at equal intervals are formed in the circumferential direction of the disc body 1, grooves are formed in two sides of the hammer disc working surface 2 and distributed in a crossed manner, cross braces 4 are welded at the joints of two adjacent grooves on the disc body 1, the two disc bodies 1 are stacked and are respectively welded and fixed with the inner side of the hammer disc working surface 2 and the cross braces 4, wherein the semicircular indents on the disc body 1 are right opposite to the grooves on the hammer disc working surface 2, so that the grooves on the circumferential surface are distributed in a crossed manner on the whole hammer disc structure and are different from a straight line type, each row of hammers is not symmetrical with the adjacent row of hammers but in a staggered manner, and the disc body 1 can save materials, thereby reducing the material cost, improving the crushing effect of the crusher and better hanging more hammers; there is the clearance between the disk body 1 of two alternately range upon range of settings, and the broken material of being convenient for is come in and go out, and the cross-section of stull 4 is isosceles trapezoid moreover, can be better with disk body 1 welded fastening.

When the hammer disc structure is used, a plurality of hammer disc structures are stacked together and then are arranged on a shaft of a crusher, so that a hammer disc fixing hole 7 is formed in a hub 3, a key groove 8 is formed in the inner wall of the hub 3, the hammer disc structures are fixed on the shaft of the crusher through the hammer disc fixing hole 7 and the key groove 8, the key groove 8 can prevent the hammer disc structures from rotating, and the hammer disc structures are fixed more firmly; the central point of stull 4 puts and has seted up locating hole 41, and the terminal surface of stull 4 flushes with the terminal surface of hammer disks working face 2, and the both ends of earrings 5 are followed the both sides of disk body 1 and are leaned out, and the distance that the degree of leaning out and disk face one side of disk body are apart from stull 4 terminal surfaces suits, and the outer circumference of earrings 5 is tangent with the interior circumference of hammer disks working face 2, and the purpose of design like this is that it is fixed to be convenient for a plurality of hammer disks structure superposes, also makes the tup that hangs extend length maximize as far as.

The material of the working face 2 of the middle hammer disk is made of high-strength wear-resistant steel with Rockwell hardness HRC45-50, the steel plate has the advantages of good impact toughness, no reduction of overall hardness after abrasion, uniform hardness and the like, the cross support 4 and the disk body 1 are made of standard steel materials, and the whole structure of the hammer disk is formed by welding, so that the working face 2 of the hammer disk can be directly removed after abrasion in the use process, the cross support 4 and the disk body 1 are reserved, a new working face 2 of the hammer disk can be directly welded on the body, and the use cost can be effectively reduced.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims (8)

1. The cross type crusher hammer disc structure comprises a hammer disc working surface (2), a hub (3) and a disc body (1), wherein hammer head shaft holes (6) are formed in the disc body (1) in an equidistant interval state around the circumferential direction of the disc body (1), and is characterized in that two sides of the hammer disc working surface (2) are provided with grooves and distributed in an intersected manner, a mounting hole is formed in the central position of the disc body (1), semicircular indents distributed at equal intervals are formed in the circumferential direction of the disc body (1), the two disc bodies (1) are distributed in a stacked manner and are welded at the upper end and the lower end of the hub (3) respectively through the mounting holes, cross braces (4) are welded at the joint of the two adjacent grooves of the disc body (1), the disc body (1) is welded and fixed with the inner side and the cross braces (4) of the hammer disc working surface (2) respectively, the upper semicircular shape of the disc body (1) faces the upper groove of the hammer disc working surface (2), an earring (5) is welded in the hammer head shaft hole (6).

2. The cross crusher hammer disc structure of claim 1, wherein a positioning hole (41) is formed in the center of the cross support (4), and the end surface of the cross support (4) is flush with the end surface of the hammer disc working surface (2).

3. A cross crusher hammer disc structure according to claim 1, characterized in that the two ends of the ear rings (5) protrude from the two sides of the disc body (1) to an extent corresponding to the distance from the disc surface of one side of the disc body (1) to the end surface of the cross brace (4).

4. A cross crusher hammer disc structure according to claim 1, wherein two disc bodies (1) are arranged in a cross stack with a gap therebetween, and the cross-section of the cross-brace (4) is isosceles trapezoid.

5. The cross crusher hammer disc structure of claim 1, wherein the hub (3) is provided with hammer disc fixing holes (7), and the inner wall of the hub (3) is provided with key slots (8).

6. A cross crusher disc structure as claimed in claim 1, characterised in that the material of the disc face (2) is high strength wear resistant steel with a hardness of HRC 45-50.

7. A cross crusher hammer disc structure according to claim 1, wherein the crossbrace (4) and the disc body (1) are made of standard steel material.

8. A cross crusher hammer disc structure according to claim 1, characterized in that the outer circumference of the earring (5) is tangential to the inner circumference of the hammer disc face (2).

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