CN215389706U - Scraper knife-shaped mechanical tooth head - Google Patents
Scraper knife-shaped mechanical tooth head Download PDFInfo
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- CN215389706U CN215389706U CN202120455417.2U CN202120455417U CN215389706U CN 215389706 U CN215389706 U CN 215389706U CN 202120455417 U CN202120455417 U CN 202120455417U CN 215389706 U CN215389706 U CN 215389706U
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Abstract
The utility model discloses a scraper knife-shaped mechanical tooth head, which comprises a block-shaped body and hard alloy arranged on the block-shaped body, wherein the block-shaped body comprises a working part and an assembling part which is integrally arranged at the tail part of the working part and is tilted upwards, the front side edge and the rear side edge of the working part, which are far away from one side of the assembling part, are inwardly contracted to form a sharp corner part, the front side edge and the rear side edge of the working part, which are close to one side of the assembling part, are outwardly extended to form an arc-shaped outer convex part with the width larger than that of the assembling part, the sharp corner part is provided with an inclined edge which is gradually inclined downwards from inside to outside, and the upper surfaces of the inclined edge and the arc-shaped outer convex part are both provided with the hard alloy; the assembling part is provided with an assembling hole, and one side of the assembling part close to the working part is provided with at least two hard welding rod wear-resistant layers along the width direction; the hard alloy comprises sharp-angle hard alloy arranged on the inclined edge and three blocky hard alloys arranged on the upper surface of the arc-shaped outer convex part, and the thickness of the sharp-angle hard alloy gradually becomes thicker from top to bottom.
Description
Technical Field
The utility model relates to the technical field of mechanical teeth, in particular to a scraper knife-shaped mechanical tooth head.
Background
A shredder is a common waste disposal apparatus, and is generally used for shredding waste such as wood, crushed stone or bulk waste. The mechanical teeth of the existing crusher are combined with the tooth holder and then connected with the driving pivot through the tooth holder, and the mechanical teeth are in collision contact with waste products such as trees, garbage and the like in work, so that the waste products are crushed; hard materials such as ore are generally crushed by a crusher after being discarded after construction.
However, the mechanical tooth head used by the existing crusher is basically made of metal materials, the structure of the mechanical tooth head is easy to damage under the impact and vibration of materials, even if the working head of the mechanical tooth head is made of hard alloy materials and the like, the structural design is not reasonable enough, and other parts of the mechanical tooth head are easy to be impacted by the materials, so that the whole tooth head structure is damaged, the tooth head needs to be frequently replaced, the working efficiency is influenced, and the use cost is increased; in addition, the contact area of the traditional mechanical tooth head and materials is small, and the problem of low crushing efficiency is easily caused.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a scraper knife-shaped mechanical tooth head which has good wear resistance, high material crushing rate and long service life, aiming at the defects in the prior art.
The utility model aims to solve the technical scheme that the scraper knife-shaped mechanical tooth head comprises a block-shaped body and hard alloy arranged on the block-shaped body, wherein the outer surface of the hard alloy protrudes out of the block-shaped body, the block-shaped body comprises a working part and an assembling part which is integrally arranged at the tail part of the working part and is tilted upwards, the front side and the rear side of the working part, which are far away from the assembling part, are inwardly contracted to form a sharp corner part, the front side and the rear side of the working part, which are close to the assembling part, are outwardly extended to form an arc-shaped outer convex part with the width larger than that of the assembling part, the sharp corner part is provided with an inclined edge which is gradually inclined downwards from inside to outside, and the upper surfaces of the inclined edge and the arc-shaped outer convex part are both provided with the hard alloy; the assembling portion is provided with an assembling hole, and one side of the assembling portion, which is close to the working portion, is provided with at least two hard welding strip wear-resistant layers along the width direction.
Furthermore, the hard alloy comprises a sharp-angled hard alloy arranged on the inclined edge and three pieces of blocky hard alloy arranged on the upper surface of the arc-shaped outer convex part, and the width of the blocky hard alloy close to one side of the sharp-angled hard alloy is greater than the width of the other two pieces of blocky hard alloy; the thickness of the hard alloy with sharp corners is gradually thickened from top to bottom.
Furthermore, a reinforcing edge protruding upwards is arranged on the upper surface of the assembling part along the length direction, and the assembling hole is formed in the reinforcing edge of the assembling part; the quantity of pilot hole is 2 just the pilot hole is including the circular port and the square counter bore that run through the setting perpendicularly in strengthening the limit.
Furthermore, the connection part of each side edge of the working part and the assembly part is provided with a connection fillet.
The utility model has the beneficial technical effects that: the utility model belongs to the improvement of the prior art, and has the characteristics of reasonable structure, convenient use and installation, good integral structure firmness, wear resistance, good combination fastness with a tooth seat, reasonable mutual combination structure, work efficiency improvement and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
fig. 3 is a schematic view of the structure in direction a of fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention is further described with reference to the accompanying drawings and examples.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inside", "outside", "lateral", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-3, the scraper-knife-shaped mechanical tooth head according to the present invention includes a block-shaped body 1 and a hard alloy 2 disposed on the block-shaped body 1, and an outer surface of the hard alloy 2 protrudes out of the block-shaped body 1, the block-shaped body 1 includes a working portion 3 and an assembling portion 4 integrally disposed at a tail portion of the working portion 3 and tilted upward, front and rear side edges of the working portion 3, which are away from the assembling portion 4, are inwardly contracted to form a sharp corner portion 5, front and rear side edges of the working portion 3, which are close to the assembling portion 4, are outwardly extended to form an arc-shaped outer protrusion 6 having a width greater than that of the assembling portion 4, an inclined edge 7 gradually inclined downward from inside to outside is disposed on the sharp corner portion 5, and hard alloys 2 are disposed on upper surfaces of the inclined edge 7 and the arc-shaped outer protrusion 6; the assembling portion 4 is provided with an assembling hole 8, and one side of the assembling portion 4 close to the working portion 3 is provided with at least two hard welding rod wear-resistant layers 9 along the width direction.
Referring to fig. 1-3, the cemented carbide 2 includes a sharp-angled cemented carbide 10 disposed on the inclined edge 7 and three pieces of bulk cemented carbide 11 disposed on the upper surface of the arc-shaped convex part 6, and the width of the bulk cemented carbide on the side close to the sharp-angled cemented carbide 10 is greater than the widths of the other two pieces of bulk cemented carbide; the thickness of the sharp-angle cemented carbide 10 gradually becomes thicker from top to bottom.
Referring to fig. 1-3, the upper surface of the fitting part 4 is provided with a reinforcing edge 12 protruding upwards along the length direction, and the fitting hole 8 is opened in the reinforcing edge 12 of the fitting part 4; the number of the assembly holes 8 is 2 and the assembly holes 8 comprise circular holes and square counter bores which vertically penetrate through the reinforcing edges. And the joint of each side edge of the working part 3 and the assembling part 4 is provided with a connecting fillet.
The utility model belongs to the improvement of the prior art, and has the characteristics of reasonable structure, convenient use and installation, good integral structure firmness, wear resistance, good combination fastness with a tooth seat, reasonable mutual combination structure, work efficiency improvement and the like.
The specific embodiments described herein are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (4)
1. The utility model provides a spiller shape machinery tooth head, includes cubic body and sets up the carbide on this cubic body, just the surface protrusion in cubic body of carbide, its characterized in that: the block-shaped body comprises a working part and an assembling part which is integrally arranged at the tail part of the working part and is tilted upwards, the front side and the rear side of the working part, which are far away from one side of the assembling part, are inwardly contracted to form a sharp corner part, the front side and the rear side of the working part, which are close to one side of the assembling part, are outwardly extended to form an arc-shaped outer convex part with the width larger than that of the assembling part, the sharp corner part is provided with an inclined edge which is gradually inclined downwards from inside to outside, and the upper surfaces of the inclined edge and the arc-shaped outer convex part are both provided with hard alloy; the assembling portion is provided with an assembling hole, and one side of the assembling portion, which is close to the working portion, is provided with at least two hard welding strip wear-resistant layers along the width direction.
2. The blade-shaped machine bit according to claim 1, characterized in that: the hard alloy comprises a sharp-angled hard alloy arranged on the inclined edge and three blocky hard alloys arranged on the upper surface of the arc-shaped outer convex part, and the width of the blocky hard alloy close to one side of the sharp-angled hard alloy is larger than the width of the other two blocky hard alloys; the thickness of the hard alloy with sharp corners is gradually thickened from top to bottom.
3. The blade-shaped machine bit according to claim 1 or 2, characterized in that: the upper surface of the assembling part is provided with a reinforcing edge protruding upwards along the length direction, and the assembling hole is formed in the reinforcing edge of the assembling part; the quantity of pilot hole is 2 just the pilot hole is including the circular port and the square counter bore that run through the setting perpendicularly in strengthening the limit.
4. The blade-shaped machine bit according to claim 3, characterized in that: and the joint of each side edge of the working part and the assembling part is provided with a connecting fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120455417.2U CN215389706U (en) | 2021-03-03 | 2021-03-03 | Scraper knife-shaped mechanical tooth head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120455417.2U CN215389706U (en) | 2021-03-03 | 2021-03-03 | Scraper knife-shaped mechanical tooth head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215389706U true CN215389706U (en) | 2022-01-04 |
Family
ID=79667689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120455417.2U Active CN215389706U (en) | 2021-03-03 | 2021-03-03 | Scraper knife-shaped mechanical tooth head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215389706U (en) |
-
2021
- 2021-03-03 CN CN202120455417.2U patent/CN215389706U/en active Active
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