CN218854443U - Hammer head for crushing scrap steel and scrap iron - Google Patents

Abstract

The application relates to a hammer head for crushing scrap steel and scrap iron, which relates to the technical field of crushers and comprises a hammer handle, a hammer shaft and a hammer head, wherein the hammer handle is provided with a mounting hole for connecting a hammer shaft, and one end, far away from the mounting hole, of the hammer handle is integrally provided with a connecting block; the body of the wear-resisting head is in a fan-shaped ring shape coaxial with the mounting hole and is sleeved and cast outside the connecting block; one end of the wear-resistant head, which is far away from the mounting hole, is provided with a through crushing groove along the central axis direction of the mounting hole; a plurality of crushing grooves are circumferentially arranged along one end of the wear-resistant head far away from the mounting hole; the section of the crushing groove is arched; the section of one side of the connecting block close to the mounting hole is smaller than the section of one side far away from the mounting hole. This application has the life who improves the tup, promotes the effect of the crushing efficiency of tup.

Description

Hammer head for crushing scrap steel and scrap iron

Technical Field

The application relates to the technical field of crushers, in particular to a hammer for crushing scrap steel and scrap iron.

Background

Along with economic development and social progress, people use various natural resources more and more, and how to better save energy has become a problem facing the people together. The waste metal recycling is an industry meeting the requirements of energy conservation and environmental protection, waste metal can be changed into valuable while the garbage treatment cost is reduced by recycling the waste metal, and the waste metal is processed into usable metal raw materials, so that the excessive consumption of earth resources can be effectively reduced, and the environmental pressure of the earth is reduced. The common waste metal recovery comprises waste steel recovery, waste aluminum recovery and the like, waste metal raw materials are conveyed to a crusher through a conveying device, and the crushed raw materials are further processed through subsequent equipment of a crushing production line to become regenerated metal raw materials.

In the process of recovering the scrap steel, a crusher is required to be used for crushing the recovered scrap steel. The crusher is internally provided with a hammer shaft, and the hammers are generally connected on the hammer shaft at intervals in a rotating way. When the crusher works, the hammer shaft drives the hammer head to rotate, so that the hammer head swings to directly impact the scrap steel raw material, and the scrap steel raw material is crushed into small pieces and then is sent to a subsequent recovery process.

Aiming at the related technologies, the inventor finds that the hammer head is fast in abrasion due to continuous collision with scrap steel and scrap iron, the service life is short, the hammer head needs to be frequently replaced, the crusher needs to be stopped when the hammer head is replaced, and the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve the life of tup, promote the crushing efficiency of tup, this application provides a tup for broken steel scrap iron.

The application provides a hammer for breaking steel scrap iron adopts following technical scheme:

a hammer head for crushing scrap iron, comprising:

the hammer handle is provided with a mounting hole for connecting the hammer shaft, and one end of the hammer handle, which is far away from the mounting hole, is integrally provided with a connecting block;

the body of the wear-resistant head is in a fan-shaped ring shape coaxial with the mounting hole, and is sleeved and cast outside the connecting block.

By adopting the technical scheme, the wear-resistant head and the hammer handle are relatively independently arranged, the wear-resistant head can be made of high-hardness wear-resistant materials such as high-chromium cast iron and the like, the wear-resistant head is more wear-resistant when the wear-resistant head is crushed, rotated and impacted with scrap steel and scrap iron, and the service life of the hammer head is prolonged; the hammer handle can be made of carbon steel with high toughness, so that the hammer is not easy to break when the crusher is used, and the service life of the hammer head is prolonged; the wear-resisting head is connected with the hammer handle through the connecting block in a fusion casting mode, the connecting strength is high, the situation that the wear-resisting head falls off is not prone to occurring, and the service life of the hammer head is prolonged. To sum up, the technical scheme of this application makes the tup live time longer, has reduced the down time of breaker, and then has improved crushing efficiency.

Optionally, a through crushing groove is formed in one end, far away from the mounting hole, of the wear-resistant head along the central axis direction of the mounting hole.

Through adopting above-mentioned technical scheme, the working face lifting surface area that wear-resisting head has been increased to the broken groove, and when the collision steel scrap iron, the contact surface connects bigger can effectively promote crushing efficiency, makes the tup can carry out the breakage to the steel scrap iron more high-efficiently.

Optionally, a plurality of crushing grooves are circumferentially arranged along one end, far away from the mounting hole, of the wear-resistant head.

Through adopting above-mentioned technical scheme, a plurality of broken grooves can further improve the working face stress area of wear-resisting head, have improved the crushing efficiency of tup to scrap steel scrap iron.

Optionally, the crushing groove is arcuate in cross-section.

Through adopting above-mentioned technical scheme, broken groove cross-section is bow-shaped, and the tank bottom is the arc, and the broken groove of the roll-off of being convenient for after the scrap steel scrap iron contacts the tank bottom breakage can reduce the condition emergence that the tup is blocked by the scrap steel scrap iron.

Optionally, a cross section of one side of the connecting block close to the mounting hole is smaller than a cross section of one side far away from the mounting hole.

Through adopting above-mentioned technical scheme, the drill way size that wear-resisting head held the connecting block is less than the size of connecting block, and the connection between wear-resisting head and the connecting block is more firm.

Optionally, a round angle is arranged at the joint of the connecting block and the hammer handle.

Through adopting above-mentioned technical scheme, take place the striking when wear-resisting head and scrap steel scrap iron, when specially passing compressive stress to the connecting block, the fillet can disperse compressive stress, prevents that stress concentration from resulting in connecting block and hammer handle separation fracture.

Optionally, the wear-resistant head is attached to the hammer handle, and a protruding portion is integrally formed at the attachment position of the wear-resistant head and the hammer handle.

Through adopting above-mentioned technical scheme, the joint strength of wear-resisting head can be wholly increased to the bellying, takes place the striking at wear-resisting head and scrap steel scrap iron, when delivering compressive stress to the connecting block is special, and the bellying also can share partly compressive stress and directly transmit compressive stress to the hammer handle, makes the tup use more stable durable, has improved the life of tup.

Optionally, the width of the wear-resistant head in the central axis direction of the mounting hole is greater than the width of the hammer handle in the central axis direction of the mounting hole.

Through adopting above-mentioned technical scheme, the wider wear-resisting head can increase the working face area with the contact of scrap steel scrap iron, improves the crushing efficiency of tup.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the wear-resistant head can be made of high-hardness wear-resistant materials such as high-chromium cast iron and the like, so that the wear-resistant head is more wear-resistant when the waste steel and the waste iron are crushed, rotated and impacted, and the service life of the hammer head is prolonged;

2. the hammer handle can be made of carbon steel with high toughness, so that the hammer is not easy to break when the crusher is used, and the service life of the hammer head is prolonged;

3. the wear-resistant head is connected with the hammer handle in a fusion casting mode through the connecting block, so that the connecting strength is high, the wear-resistant head is not prone to falling off, and the service life of the hammer head is prolonged;

4. the crushing groove increases the stress area of the working surface of the wear-resistant head, and when the wear-resistant head collides with the scrap steel and the scrap iron, the contact surface is larger, so that the crushing efficiency can be effectively improved, and the hammer head can more efficiently crush the scrap steel and the scrap iron;

5. the bellying can whole joint strength who increases wear-resisting head, takes place the striking at wear-resisting head and scrap steel scrap iron, when to the special compressive stress that passes of connecting block, the bellying also can share partly compressive stress and directly transmit compressive stress to the hammer handle, makes the tup use more stable durable, has improved the life of tup.

Drawings

FIG. 1 is a schematic illustration of an explosive structure according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional structural view of an embodiment of the present application;

in the figure, 1, a hammer handle; 11. mounting holes; 12. connecting blocks; 13. a boss portion; 2. a wear-resistant head; 21. and (5) crushing the tank.

Detailed Description

The present application is described in further detail below with reference to fig. 1-2.

The application provides a hammer head for crushing scrap steel and scrap iron, and with reference to fig. 1 and 2, the hammer head comprises a hammer handle 1 and a wear-resistant head 2. The hammer handle 1 is provided with a mounting hole 11 for connecting with a hammer shaft of the crusher, and one end of the hammer handle 1, which is far away from the mounting hole 11, is integrally formed with a trapezoidal connecting block 12; the wear-resistant head 2 is sleeved and cast outside the connecting block 12 and is attached to the hammer handle 1. The wear-resistant head 2 and the hammer handle 1 are arranged independently, the wear-resistant head 2 can be made of high-hardness wear-resistant materials such as high-chromium cast iron and the like, and is more wear-resistant when the waste steel and the waste iron are crushed, rotated and impacted, so that the service life of the hammer head is prolonged; the hammer handle 1 can be made of a carbon steel material with stronger toughness, so that the condition of fracture is not easy to occur when the crusher is used, and the service life of the hammer head is prolonged; wear-resisting head 2 is connected with 1 founding of hammer handle through connecting block 12, and joint strength is than higher, and the difficult condition that wear-resisting head 2 drops that appears has improved the life of tup. To sum up, the technical scheme of this application makes the tup live time longer, has reduced the down time of breaker, and then has improved crushing efficiency.

The hammer handle 1 is integrally plate-shaped, one side is a circular plate, and the other side is a fan-shaped annular plate. The hammer handle 1 is provided with a mounting hole 11 which is coaxial with the circular plate and used for being connected with a hammer shaft sleeve of the crusher, the specific connection mode is described in more detail in the related technology, and the embodiment of the application is not repeated. The hammer handle 1 is equipped with the lug on the one end circumference lateral wall of mounting hole 11, is equipped with the hole for hoist on the lug, can conveniently carry and install the tup.

Hammer handle 1 keeps away from on the one end lateral wall of mounting hole 11 middle part integrated into one piece be equipped with connecting block 12, connecting block 12 is trapezoidal piece, the last end top surface and the hammer handle 1 of trapezoidal piece are connected, the junction is equipped with the fillet along connecting the border, all edges and corners of connecting block 12 self also all are equipped with the fillet, take place to strike when wear-resisting head 2 and scrap steel scrap iron, when specially passing compressive stress to connecting block 12, the fillet can disperse compressive stress, prevent that stress concentration from leading to connecting block 12 and hammer handle 1 separation fracture.

The side wall of one end of the hammer handle 1, which is far away from the mounting hole 11, is also provided with a hemispherical convex part 13 in an integrated forming mode, and the convex part 13 is embedded in the wear-resisting head 2. The bulge 13 can wholly increase the connection strength of the whole hammer handle 1 and the wear-resistant head 2, when the wear-resistant head 2 is in a working state and specially transfers compressive stress to the connecting block 12, the bulge 13 can also share a part of compressive stress and directly transfer the compressive stress to the hammer handle 1, so that the hammer is more stable and durable in use, and the service life of the hammer is prolonged. In the embodiment of the present application, four protrusions 13 are provided, and are symmetrically disposed on two sides of the connecting block 12.

Wear-resisting head 2 is fan annular plate-like, and the concave surface still is equipped with the holding tank that is used for holding connecting block 12 on the concave surface with the laminating of hammer handle 1, holding tank and connecting block 12 shape adaptation. The thickness of the wear-resistant head 2 is larger than that of the hammer handle 1, so that the working area of the wear-resistant head 2 impacting scrap steel and scrap iron is increased, and the crushing efficiency is improved. The length of the wear-resistant head 2 is greater than that of the end, facing the connecting block 12, of the hammer handle 1, so that the damage phenomenon of the hammer handle 1 caused by the fact that the hammer handle 1 directly contacts scrap steel and scrap iron can be reduced. One end that hammer handle 1 was kept away from to wear-resisting first 2 is equipped with broken groove 21, broken groove 21 is bow-shaped, link up wear-resisting first 2 along 11 axis directions of mounting hole, because the tank bottom surface of broken groove 21 is the arc, can effectively reduce the condition that wear-resisting first 2 produced the card material when broken steel scrap, broken groove 21 has also increased wear-resisting first 2's working face stress area simultaneously, when collision contact steel scrap, the contact surface connects bigger, can effectively promote crushing efficiency, make the tup can carry out the breakage to the steel scrap more high-efficiently. In the embodiment of the present application, two crushing grooves 21 are provided, and are symmetrically provided on both sides of the wear-resistant head 2. Four straight arriss departments of wear-resisting head 2 all are equipped with the fillet, compare no fillet and can prevent that the straight arris from when operating condition, striking scrap steel scrap iron leads to the damaged condition of straight arris.

The embodiments of the present invention are preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, wherein like parts are denoted by like reference numerals. Therefore: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. A hammer head for crushing scrap steel and scrap iron, comprising:

the hammer handle (1) is provided with a mounting hole (11) for connecting a hammer shaft, and one end, far away from the mounting hole (11), of the hammer handle is integrally provided with a connecting block (12);

the wear-resisting head (2) is provided with a body which is in a sector ring shape coaxial with the mounting hole (11) and is sleeved and cast outside the connecting block (12);

the wear-resistant head (2) is attached to the hammer handle (1), and a protruding portion (13) is integrally formed at the attachment position of the wear-resistant head (2) and the hammer handle (1).

2. The hammer head for crushing scrap iron according to claim 1, wherein the end of the wear-resistant head (2) far away from the mounting hole (11) is provided with a through crushing groove (21) along the central axis direction of the mounting hole (11).

3. A hammer head for crushing scrap iron according to claim 2, wherein the crushing groove (21) is provided in plurality along the circumference of the end of the wear-resistant head (2) away from the mounting hole (11).

4. A hammer head for crushing scrap iron according to claim 2, wherein the crushing groove (21) is arcuate in cross-section.

5. A hammer head for crushing scrap iron according to claim 1, wherein the section of the side of the joint block (12) near the mounting hole (11) is smaller than the section of the side far from the mounting hole (11).

6. The hammer head for crushing the steel and scrap according to claim 5, wherein the joint of the connecting block (12) and the hammer handle (1) is provided with a round angle.

7. A hammer head for crushing scrap iron according to claim 1, wherein the width of the wear-resistant head (2) in the direction of the central axis of the mounting hole (11) is greater than the width of the hammer shank (1) in the direction of the central axis of the mounting hole (11).

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