CN210357382U

CN210357382U - Square hammer head

Info

Publication number: CN210357382U
Application number: CN201921338126.4U
Authority: CN
Inventors: 林迈里; 张群力; 熊志军; 李晋平; 郭风华; 熊碧军
Original assignee: YIYANG JINNENG NEW MATERIAL CO Ltd
Current assignee: YIYANG JINNENG NEW MATERIAL CO Ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-04-21
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses a four directions tup, including tup and connection the hammer handle of tup, the tup is the four directions type, and the four directions type four edges and corners department on the arris that is parallel to each other of tup is equipped with relatively the side of tup is to the bellied bellying of outside. The square hammer head has the advantages that the wear resistance is improved, the service life is prolonged, and the cost for repairing and replacing the hammer head is reduced.

Description

Square hammer head

Technical Field

The utility model relates to the technical field of crushing machinery, in particular to cubic tup.

Background

The hammer crusher is a mechanical device which utilizes the transmission of a motor to lead a hammer head to rotate and swing, repeatedly hit brittle lump materials such as sandstone, concrete and the like which are fed into a crushing bin and crush the brittle lump materials to the required granularity requirement. Because of its advantages of simple structure, easy production and manufacture, and convenient operation, it is widely used in many production industries such as metallurgy, chemical industry, cement, brick and tile building materials, mining machinery, etc. At present, the hammer head of a crusher is mainly a square hammer head cast by metal materials such as high-chromium cast iron and the like, and materials needing to be crushed are generally materials with higher hardness such as ore, rock, concrete and the like, so that the traditional hammer head is easy to wear, the edges and corners are firstly worn, the whole wear of the hammer head is further caused, the service life of the hammer head is short, and the waste of resources and the increase of production and maintenance costs are caused. The hammer head of the crusher is improved, so that the resource consumption can be greatly reduced, and the production efficiency is improved.

Therefore, how to increase the service life of the crusher hammer head and reduce the production and maintenance costs is a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a four directions tup, the life extension of this four directions tup has effectively reduced the production maintenance cost.

In order to achieve the above object, the utility model provides a cubic tup, include the tup and connect the hammer handle of tup, the tup is the cubic, and the cubic the edges and corners department of four mutually parallel arrises of tup is equipped with relatively the side of tup is to the bellied bellying of outside.

Optionally, any one of the protrusions is provided with a strip-shaped hole penetrating through the length direction of the protrusion, and a ceramic precast block is arranged in the strip-shaped hole.

Optionally, the bar-shaped hole is a square hole, and the ceramic precast block is a quadrangular prism-shaped precast block matched with the bar-shaped hole.

Optionally, the ceramic precast block and the hammer head are integrally cast.

Optionally, the projection is dovetail shaped.

Optionally, the middle of the hammer head is provided with a positioning hole for fixing the hammer handle, the positioning hole is parallel to the strip-shaped hole, and the hammer head further comprises an insertion hole which vertically penetrates through the positioning hole and is used for inserting the hammer handle.

Optionally, the hammer further comprises a positioning pin for fixing the hammer handle to the positioning hole.

Optionally, a positioning groove is formed in the circumferential direction of the positioning hole, and a positioning protrusion matched with the positioning groove is arranged on the positioning pin.

Optionally, the hammer head is one of a high-chromium cast iron hammer head, a high-manganese steel hammer head or an alloy steel hammer head.

Optionally, the ceramic precast block is made of one of ZTA ceramic, cermet, oxide ceramic, nitride ceramic, or carbide ceramic.

Compared with the prior art, the utility model provides a four directions tup includes tup and the hammer handle of being connected with the tup, and the tup is the four directions type, and in order to slow down the wearing and tearing of ore etc. to the tup, the life of extension tup sets up the bellying at the edges and corners department of a set of four arriss that are parallel to each other of four directions tups, and the side of the relative tup of this bellying is protruding to the outside. Set up the bellying through the edges and corners department at the cubic tup, when hitting the ore, at first wearing and tearing bellying, and after the bellying wearing and tearing of one side, rotatory tup 180 makes the bellying that does not wear and tear just to the strike direction of tup, just can wear and tear the edges and corners of tup and then the whole tup of wearing and tearing after wearing and tearing of whole bellying, form the protection through setting up the edges and corners department of bellying to the tup, the wearing and tearing to whole tup such as ore have been delayed to showing, the service life of cubic tup has been improved, the maintenance replacement cost has been reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a square hammer head provided in an embodiment of the present invention;

fig. 2 is a schematic view of the hammer head of fig. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

fig. 4 is a structural view of a white mold of the hammer head.

Wherein:

1-hammer head, 2-hammer handle, 3-bulge, 4-strip-shaped hole, 5-ceramic prefabricated block, 6-positioning hole, 7-inserting hole, 8-positioning groove and 9-positioning pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model has the core that the bulge 3 is arranged at the edge of the square hammer head, so that the abrasion of the ore to the hammer head 1 is delayed, and the service life of the square hammer head is prolonged; the utility model discloses a another core lies in making four directions tup with ceramic prefabricated section 5 and metal complex, fully combines the characteristics of pottery high rigidity and metal high toughness, has solved the easy wearing and tearing of four directions tup of metal, and the not enough fragile shortcoming of pottery four directions tup toughness has improved the wear resistance of four directions tup, and then has prolonged the life of four directions tup, has reduced the cost of maintaining the change four directions tup.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a square hammer head according to an embodiment of the present invention, fig. 2 is a schematic diagram of the hammer head in fig. 1, fig. 3 is a sectional view taken along a line a-a of fig. 2, and fig. 4 is a structural diagram of a white mold of the hammer head.

The utility model provides a four directions tup, major structure include tup 1 and hammer handle 2 two parts, and hammer handle 2 is used for connecting tup 1, and tup 1 is the four directions type on the whole. In order to improve the wear resistance of the hammer head 1, the bulge parts 3 are arranged at the edges of a group of parallel four edges of the hammer head 1, and the bulge parts 3 bulge outwards relative to the side surfaces of the square hammer head. Protect the edges and corners of tup 1 wearing and tearing most easily through setting up bellying 3, treat 3 wearing and tearing backs of bellying of tup 1 one side, carry out 180 upset postfixings with tup 1 relative hammer handle 2, make 3 one sides of beating the ore towards tup 1 of bellying of tup 1 one side that do not wear and tear, 3 wearing and tearing backs of whole bellying, just can wear and tear and then wear and tear tup 1 wholly to the edges and corners, through the setting of bellying 3, showing the wearing and tearing to tup 1 such as having delayed the ore, the service life of tup 1 has been improved, the production maintenance cost of breaker has been reduced.

The following describes the square hammer head according to the present invention in detail with reference to the accompanying drawings and specific embodiments.

The utility model provides a concrete embodiment, specifically as shown in fig. 1 to fig. 3, tup 1 is whole to be the tetragonal type, and bellying 3 sets up the edges and corners department at four edges that a set of being parallel to each other of tetragonal tup 1, and bellying 3 is the dovetail type, and it is protruding to the outside of two adjacent sides along the edges and corners. Certainly, the bulge 3 can also be cylindric arch, no matter what kind of shape the bulge 3 adopts, as long as can form cladding and bodiness to edges and corners, the wearing and tearing of protection tup 1 most easily can be postponed to edges and corners, improves the life of tup 1.

In order to optimize the above embodiment, the protruding portion 3 is further provided with a strip-shaped hole 4 penetrating through the length direction of the protruding portion, a ceramic prefabricated block 5 is arranged in the strip-shaped hole 4, and the ceramic prefabricated block 5 is usually integrally cast and formed with the hammer head 1. As is well known, ceramic is a material with high hardness and has excellent wear resistance, but ceramic has poor toughness as compared with metal materials and poor impact resistance, and is easily broken when used alone for manufacturing the hammer head 1. Although a metal material has good toughness, it is easily abraded. Set up bar hole 4 and set up ceramic prefabricated section 5 at bellying 3 through the setting, be fixed in the easy edges and corners department of wearing and tearing of tup 1 to ceramic prefabricated section 5 that hardness is higher, both improved tup 1's wear resistance, guaranteed impact resistance again.

When the square hammer head works for a certain time, the bulge 3 is abraded and then leaks out of the strip-shaped hole 4 and the ceramic precast block 5, and the ceramic precast block 5 with higher hardness collides with materials such as ores and the like, so that the abrasion resistance of the hammer head 1 is obviously improved. The cross section of the strip-shaped hole 4 can be square, round or other shapes, and no matter what shape the cross section of the strip-shaped hole 4 is, the shape of the ceramic precast block 5 is always matched with the shape of the strip-shaped hole 4. In fact, since ceramic precast block 5 and hammer head 1 are generally cast integrally and cast by lost foam casting process, that is, four ceramic precast blocks 5 are placed by protrusions 3 at four corners of the white mold of hammer head 1, the white mold is melted and evaporated when hammer head 1 is cast, hammer head 1 is integrally formed with ceramic precast block 5, and strip-shaped hole 4 is formed in relation to the shape of ceramic precast block 5, so that strip-shaped hole 4 is always fitted with ceramic precast block 5 no matter what shape of ceramic precast block 5 is used.

In order to assemble the hammer head 1 and the hammer handle 2 conveniently and rapidly and adjust the connecting direction of the hammer head 1 relative to the hammer handle 2 conveniently, the orientation of the bulge part 3 is adjusted. The middle part of tup 1 is equipped with the locating hole 6 of fixed hammer handle 2, and the direction of locating hole 6 is parallel to each other with the direction in bar hole 4, and fasteners such as accessible locating pin 9 are fixed in tup 1 with hammer handle 2 detachably. Still including running through to the spliced eye 7 of locating hole 6, the extending direction of spliced eye 7 is perpendicular and spliced eye 7 is used for supplying the first end of hammer handle 2 to insert tup 1 with the extending direction of locating hole 6, and the shape of the inserted end of spliced eye 7 and hammer handle 2 matches each other, generally is the slot, and the fillet transition is taken in the four corners of slot. The other end of the hammer handle 2 is sleeved on the driving shaft and drives the square hammer to work through the driving shaft.

The hammer handle 2 is inserted into the hammer head 1 through the insertion end and the insertion hole 7 and penetrates through the positioning pin 9 to realize fixation, one end of the positioning pin 9 is provided with a flange, the other end of the flange is provided with a pin hole penetrating through the positioning pin 9, the positioning hole 6 penetrates through two sides of the surface of the hammer head 1 and is provided with a flange groove, the flange groove can be used for accommodating the flange of the positioning pin 9 on one hand and can be used for accommodating a small pin for fixing the pin hole on the other hand, the small pin is fixed through an opening pin as shown in figure 1, and the smoothness and the attractiveness of the outer surface of the hammer head.

The circumference of locating hole 6 specifically still is equipped with constant head tank 8 for the circumference of flange groove, and locating pin 9 can set up with constant head tank 8 complex location protruding, and the periphery of the flange of locating pin 9 is generally located to the location arch, prevents through the protruding cooperation with constant head tank 8 that the relative locating hole 6 of locating pin 9 from taking place the rotation of circumference, prevents that locating pin 9 and hammer handle 2 are not hard up.

The hammer head 1 is one of a high-chromium cast iron hammer head, a high-manganese steel hammer head or an alloy steel hammer head. The high-chromium cast iron refers to chromium white cast iron with the chromium content of 12-28%, and M in the white cast iron is caused by adding a large amount of chromium₃Carbide of type C to M₇C₃A type carbide. The alloy carbide is hard, and the high-chromium cast iron is endowed with good wear resistance. On the other hand, during the solidification process M₇C₃The carbide is in rod-shaped isolated distribution, so that the toughness of the high-chromium cast iron is improved to a certain extent, and the hammer head 1 is effectively prevented from being cracked. The high manganese steel is alloy steel with more than 10% of manganese content. Particularly, the high manganese steel with the manganese content of 10-15% is suitable for being used as wear-resistant steel, and can effectively improve the wear resistance of the hammer head 1.

The ceramic preform may be fabricated using one or more of ZTA ceramics, cermets, oxide ceramics, nitride ceramics, or carbide ceramics. The ZTA ceramic is zirconia toughened alumina ceramic, has high toughness and good hardness, can obviously improve the wear resistance of the hammer head 1, and is not easy to crack due to the toughening of alumina.

Referring to fig. 1 and 4, the hammer head 1 may be cast by a lost foam casting process, in which a ceramic prefabricated block 5 and a white mold of the hammer head 1 are first processed, and the ceramic prefabricated block 5 may be made by heating, condensing and solidifying ceramic particles and an adhesive; manufacturing a white die of the square hammer head by using a white die cutting machine or a die foaming method; arranging a cavity, namely a strip-shaped hole 4, at the appointed position of the white mould, putting the ceramic precast block 5 into the strip-shaped hole 4, and fixing the precast block by using a steel wire or a stainless steel wire with the thickness of 1-6mm to prevent the precast block from rushing away during casting; brushing the special coating for the lost foam until no white appears; after the coating is dried completely, filling the white mold into a lost foam sand box, filling sand and compacting; steel materials are smelted according to the working condition requirement, and can be high-chromium cast iron, alloy steel, carbon steel or high-manganese steel; opening a vacuum negative pressure system, burning off the white mold by using oxyacetylene flame to form an empty cavity, and simultaneously preheating the ceramic precast block 5; injecting molten iron into the empty cavity, opening a high-frequency compaction table while casting, vibrating and casting, maintaining the pressure for 5-15 minutes after casting is finished, and then closing a vacuum negative pressure system; opening the box after 3-10 hours, and carrying out heat treatment quenching and tempering to produce the ceramic particle reinforced metal matrix hammer.

The hammer handle 2 is manufactured by utilizing a traditional casting method or a machining method such as a lost foam, sodium silicate sand, precoated sand and the like, and is made of high manganese steel, carbon steel or alloy steel, so that one end of the hammer handle can be fixedly connected with the driving shaft, and the other end of the hammer handle can be matched with the plug hole 7 and can be fixed by the positioning pin 9. The pins such as the positioning pin 9 and the like are prepared by a machining method and are generally made of carbon steel or alloy steel. When the bulge 3 on one side of the hammer head 1 is worn, the positioning pin 9 can be disassembled to adjust the direction of the hammer head 1, so that the bulge 3 on the other side of the hammer head 1 faces the hammering direction.

The square hammer head provided by the utility model is described in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The square hammer head is characterized by comprising a hammer head (1) and a hammer handle (2) connected with the hammer head (1), wherein the hammer head (1) is square, and four mutually parallel edges of the square hammer head (1) are provided with protruding parts (3) protruding outwards relative to the side surface of the hammer head (1).

2. The square hammer head according to claim 1, wherein any one of the protrusions (3) is provided with a strip-shaped hole (4) penetrating through the length direction of the protrusion, and a ceramic precast block (5) is arranged in the strip-shaped hole (4).

3. The square hammer head according to claim 2, wherein the bar-shaped hole (4) is a square hole, and the ceramic precast block (5) is a quadrangular prism-shaped precast block fitted into the bar-shaped hole (4).

4. The square hammer head according to claim 3, characterized in that the ceramic precast block (5) is cast integrally with the hammer head (1).

5. The square hammer head according to claim 4, characterized in that the projections (3) are dovetail-shaped.

6. The square hammer head according to any one of claims 2 to 5, wherein a positioning hole (6) for fixing the hammer handle (2) is formed in the middle of the hammer head (1), the positioning hole (6) is parallel to the strip-shaped hole (4), and the square hammer head further comprises an insertion hole (7) which vertically penetrates through the positioning hole (6) and is used for inserting the hammer handle (2).

7. The square hammer head according to claim 6, further comprising a positioning pin (9) for fixing the hammer shank (2) to the positioning hole (6).

8. The square hammer head according to claim 7, wherein the positioning hole (6) is circumferentially provided with a positioning groove (8), and the positioning pin (9) is provided with a positioning protrusion matched with the positioning groove (8).

9. The square hammer head according to claim 8, wherein the hammer head (1) is one of a high chromium cast iron hammer head, a high manganese steel hammer head or an alloy steel hammer head.

10. The square hammer head according to claim 8, wherein the ceramic precast block (5) is made of one of ZTA ceramic, cermet, oxide ceramic, nitride ceramic or carbide ceramic.