CN218282036U - Tool bit and shredder - Google Patents
Tool bit and shredder Download PDFInfo
- Publication number
- CN218282036U CN218282036U CN202222223879.9U CN202222223879U CN218282036U CN 218282036 U CN218282036 U CN 218282036U CN 202222223879 U CN202222223879 U CN 202222223879U CN 218282036 U CN218282036 U CN 218282036U
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- base
- blade
- cutter head
- tool bit
- shredder
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Abstract
The utility model discloses a tool bit and shredder, include: a base and a blade. The base is provided with a connecting part suitable for being connected with an external component; the blade and the base are arranged in a split mode and fixedly connected, the blade is a hard alloy blade, and the base is a carbon steel or low alloy steel base containing less than 5% of alloy elements. The utility model discloses a hard alloy blade and carbon steel or low alloy steel base that the components of a whole that can function independently set up have compromise the toughness of base and the wearability of blade, have reduced the cost of tool bit.
Description
Technical Field
The utility model relates to a shredder equipment technical field, concretely relates to tool bit and shredder.
Background
The requirement of modern industry on environmental protection is improved, a large amount of waste materials such as wood blocks, chemical fiber materials, rubber, plastic, metal, circuit boards and the like need to be recycled, and crushing by a shredder in the recycling process is a very important link.
The shredder square cutter head on the current market is mostly Cr12MoV, DC53, SKD11, D2 and other die steels which are integrally adopted, the self wear resistance of the die steels is not enough, the cutter head is frequently replaced, and the use efficiency is low. Therefore, in the prior art, the whole tool bit is usually replaced by the hard alloy, the tool bit is obtained by integrally casting the hard alloy, the wear resistance of the hard alloy is high, the use efficiency of the tool bit can be effectively enhanced, but the toughness of the hard alloy tool bit is poor, and the machining difficulty is high.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model discloses an overcome the big, with high costs defect of the traditional tool bit machining degree of difficulty among the prior art to a tool bit and shredder are provided.
In order to solve the technical problem, the technical scheme of the utility model as follows:
a tool bit, comprising: a base provided thereon with a connection part adapted to be connected with an external part; the blade is arranged in a split mode with the base and fixedly connected with the base, the blade is a hard alloy blade, and the base is carbon steel or a low alloy steel base containing less than 5% of alloy elements.
According to some embodiments of the invention, the connection portion is a first connection hole provided on the base.
According to the utility model discloses a some embodiments, the base include the base body and certainly a side of base body is outside convex location boss, be equipped with the second connecting hole on the blade, the location boss stretches into in the second connecting hole.
According to some embodiments of the invention, the first connection hole is a threaded hole that runs through the base body and the positioning boss.
According to some embodiments of the invention, the base and the corresponding position of blade are provided with the solder district, be provided with the solder in the solder district.
According to some embodiments of the invention, the solder area is in an "L" shape.
The utility model also provides a shredder, be in including rotor and assembly as above on the rotor the tool bit.
According to the utility model discloses a some embodiments, the blade holder installation position of rotor is installed through the erection column to the tool bit, be provided with the external screw thread on the erection column, on the tool bit connecting portion be with external screw thread matched with internal thread.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a tool bit comprises base and blade, the blade with the base components of a whole that can function independently sets up, and with base fixed connection, blade are the carbide blade, and the base is carbon steel or contains the low alloy steel base that alloy element is less than 5%. The utility model discloses a carbide blade and carbon steel or low alloy steel base that the components of a whole that can function independently set up have compromise the toughness of base and the wearability of blade, have reduced the cost of tool bit.
2. The utility model provides a tool bit, base adopt carbon steel or contain that the alloying element is less than 5% low alloy steel and make, and the blade adopts carbide to make. Through the combination, firstly, the hard alloy has better wear resistance, and can realize good cutting effect; the base is made of carbon steel or low alloy steel, so that the processing performance of the base can be effectively ensured, and the processing operation of the connecting part is convenient.
3. The utility model provides a tool bit, the solder district is "L" type setting. Through the arrangement mode, when welding is carried out, the welding flux can spontaneously flow to different areas of the welding flux area after being melted, and therefore a good connecting effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a cutter head provided in some embodiments of the present invention;
fig. 2 is a cross-sectional view of a base provided in some embodiments of the present invention;
fig. 3 is a cross-sectional view of a blade provided in some embodiments of the present invention.
Description of reference numerals: 1. a base; 2. a blade; 11. positioning the boss; 12. a first connection hole; 21. a second connection hole; 22. and (4) cambered surface.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 3, in the cutter head provided in this embodiment, the cutter head itself performs a crushing operation on an object, and the object of the cutter head may be a block structure such as a wood block, a chemical fiber material, rubber, plastic, metal, or a circuit board, and when the cutter head rotates, the structure may be cut to form a plurality of small structures.
Specifically, the cutter head includes:
a base 1 and a blade 2, the base 1 being provided with a connection portion adapted to be connected with an external component;
specifically, the structure of the connecting part is not limited, the connecting part is used for being connected with a knife roll of the shredder, the connecting part is installed on the knife roll, and the knife head is driven to revolve around the axis of the knife roll when the knife roll rotates. As shown in fig. 2, in some embodiments of the present embodiment, the connecting portion is specifically a first connecting hole 12 provided on the base 1, and the cutter head is mounted to the cutter seat mounting position of the cutter roller through a bolt.
The blade 2 and the base 1 are arranged in a split mode, the blade 2 is fixedly connected with the base 1, and the blade 2 is suitable for cutting a workpiece to be machined. Further, the blade 2 is made of hard alloy, and the base 1 is made of carbon steel or low alloy steel containing less than 5% of alloy elements.
Further, the base 1 may be made of copper material, aluminum material, or the like. In this embodiment, the base 1 is made of carbon steel or low alloy steel containing less than 5% of alloying elements.
As shown in fig. 2 and 3, in order to realize the connection operation between the base 1 and the blade 2, in some embodiments of the present invention, the base 1 includes a square base body and a positioning boss 11 protruding outward from one side of the base body, a second connection hole is provided on the blade 2, and the positioning boss 11 extends into the second connection hole 21. Through the cooperation of the second connecting hole 21 of blade 2 and location boss 11 for blade 2 fixed mounting is on base 1, and the setting of location boss 11 is convenient for blade 2 and base 1's location and is connected, and blade 2 and the split type setting of base 1 are convenient for processing and equipment.
In some embodiments of the present invention, the base 1 and the blade 2 are fixedly connected by welding, for example, the base 1 and the blade 2 are fixed by welding with solder. In other alternative embodiments, the base 1 and the blade 2 may be secured together by external attachment means, or the base 1 and the blade 2 may be attached by electric or gas welding without the use of solder.
Specifically, the base 1 and the blade 2 are fixed by welding with solder, and before welding, the base 1 and the blade 2 are cleaned, so that dust on the base 1 and the blade 2 during welding is prevented from affecting the welding quality. Placing welding flux between the cleaned base 1 and the cleaned blade 2, installing a second connecting hole of the blade 2 on a positioning boss 11 of the base 1 to form a combined body, then carrying out furnace welding or high-frequency welding on the combined body, cooling, and grinding and flattening four side surfaces and bottom surfaces of the welded combined body to obtain the tool bit; the cutter head manufactured by the welding mode can ensure the connection strength of the blade 2 and the base 1 and avoid the blade 2 from falling off. In order to ensure that the joint surface of the base 1 and the blade 2 is flat, the welding flux is a sheet-shaped copper welding sheet, and the copper welding sheet has the advantages of high strength, good welding associativity and low cost.
Referring to fig. 1, in some embodiments of the present invention, the first connection hole 12 is a threaded hole that extends through the base body and the positioning boss 11, the threaded hole being adapted to be in threaded engagement with a mounting post on a knife roll of a shredder. Specifically, the mounting posts are bolts. The first connection hole 12 and the second connection hole 21 are coaxially disposed.
Specifically, the first connection hole 12 and the second connection hole 21 are coaxially installed such that the axial centers of the base 1 and the blade 2 are on the same horizontal line. The first connecting hole 12 is used for installing the base 1 on the knife roll of the shredder body, so that the knife head is driven to revolve around the axis of the knife roll when the knife roll of the shredder rotates.
In some embodiments of the present invention, the second connecting hole 21 is matched with the positioning boss 11. The second connecting hole 21 is a circular hole, the positioning boss 11 is in a circular truncated cone shape, and the inner diameter of the second connecting hole 21 is larger than or equal to the outer diameter of the positioning boss 11.
Specifically speaking, the purpose of setting up location boss 11 is so that blade 2 can the location install on base 1, and second connecting hole 21 does not regard as with location boss 11 cooperation, the shape of location boss 11 the utility model discloses a restriction, when location boss 11 is the round platform form, second connecting hole 21 is circular through-hole, and in order to install blade 2 on base 1 this moment, the internal diameter of second connecting hole 21 is more than or equal to the external diameter of location boss 11.
In some embodiments of the present invention, one end surface of the blade 2 connected to the base 1 is a plane, and the other end surface is a cambered surface 22.
Referring to fig. 2 and 3, specifically, in order to ensure that the blade 2 can be better attached to the base 1 during welding, one end of the blade 2 connected to the base 1 is set to be a plane, so that the attachment degree of the blade 2 to the base 1 is improved, and the reliability is increased. The end face of the other end of the blade 2 is an arc face 22, and the arc face 22 can improve the stress strength of the blade 2 during rotary cutting and prevent the blade 2 from being broken in the cutting process. The cambered surface 22 is provided to enhance the reliability of the blade 2.
Further, as shown in fig. 2 and 3, the solder area is provided in an "L" shape. By the arrangement mode, when welding is carried out, the welding flux can spontaneously flow to different areas of the welding flux area after being melted, so that a good connecting effect is achieved. As shown in fig. 2, the solder in the solder area flows first in the vertical direction and then in the horizontal direction after being heated, thereby covering more area.
In some embodiments of the present invention, the blade 2 is square, and the tip of the blade 2 is located at the four corners of the arc surface 22. Specifically, the tool tips of the blades 2 are positioned at four corners of the cambered surface 22 to form spiral distribution, so that the shredding efficiency is improved.
In some embodiments of the present invention, the part of the positioning boss 11 extends out of the concave portion at the center of the arc surface 22, and the part of the positioning boss 11 protruding out of the arc surface 22 is not higher than the knife tip, that is, the part of the positioning boss 11 protruding out of the arc surface 22 is still located in the space enclosed by the arc surface 22. The arrangement of the positioning boss 11 can improve the assembly efficiency and ensure the assembly precision.
Example 2
The present embodiment provides a shredder for realizing cutting operations of products such as waste paper, plastics, etc. The method comprises the following steps:
the power part is provided with a motor and can be provided with a gear box for speed regulation according to conditions. The motor is used for driving the knife roll to rotate;
the cutter head provided in embodiment 1 is installed at a cutter seat installation position of the knife roll, and the rotation of the knife roll realizes the revolution of the cutter head around the axis of the knife roll, so as to realize the subsequent cutting operation.
In summary, the combined tool bit provided by the embodiment adopts the hard alloy blade and the carbon steel or low alloy steel base which are separately arranged, so that the toughness of the base and the wear resistance of the blade are both considered, and compared with the tool bit which is integrally made of a hard alloy material in the prior art, the combined tool bit saves the hard alloy material, ensures the toughness of the base 1, is convenient for machining, and reduces the overall cost of the tool bit; compared with the cutter head integrally made of die steel material in the prior art, the wear resistance of the blade 2 is improved, and the service life of the cutter head is greatly prolonged; base 1 is connected through welding mode with blade 2, has guaranteed joint strength, prevents to drop.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (8)
1. A cutter head, comprising:
a base (1) provided with a connection portion adapted to be connected to an external member;
the blade (2) is arranged in a split mode with the base (1) and is fixedly connected with the base, the blade (2) is a hard alloy blade, and the base (1) is a carbon steel or low alloy steel base containing less than 5% of alloy elements.
2. Cutting head according to claim 1, characterized in that the connection part is a first connection hole (12) provided in the base part (1).
3. The cutter head according to claim 2, wherein the base (1) comprises a base body and a positioning boss (11) protruding outwards from one side surface of the base body, a second connecting hole (21) is formed in the blade (2), and the positioning boss (11) extends into the second connecting hole (21).
4. Cutter head according to claim 3, wherein the first connection hole (12) is a threaded hole through the base body and the positioning boss (11).
5. A cutter head according to claim 3, characterized in that the corresponding parts of the base (1) and the blade (2) are provided with solder areas, in which solder is provided.
6. The tool tip of claim 5, wherein said solder areas are "L" shaped.
7. A shredder comprising a cutter drum and a cutter head according to any one of claims 1 to 6 mounted on the cutter drum.
8. A shredder according to claim 7, wherein the cutter head is mounted to the blade holder mounting location of the cutter drum by means of a mounting post, the mounting post having an external thread provided thereon, the connecting portion of the cutter head being an internal thread which cooperates with the external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222223879.9U CN218282036U (en) | 2022-08-23 | 2022-08-23 | Tool bit and shredder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222223879.9U CN218282036U (en) | 2022-08-23 | 2022-08-23 | Tool bit and shredder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218282036U true CN218282036U (en) | 2023-01-13 |
Family
ID=84796298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222223879.9U Active CN218282036U (en) | 2022-08-23 | 2022-08-23 | Tool bit and shredder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218282036U (en) |
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2022
- 2022-08-23 CN CN202222223879.9U patent/CN218282036U/en active Active
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