CN212682668U - Multifunctional hard alloy rotary file - Google Patents
Multifunctional hard alloy rotary file Download PDFInfo
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- CN212682668U CN212682668U CN202021208280.2U CN202021208280U CN212682668U CN 212682668 U CN212682668 U CN 212682668U CN 202021208280 U CN202021208280 U CN 202021208280U CN 212682668 U CN212682668 U CN 212682668U
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- cutting edge
- rotary file
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Abstract
The utility model discloses a multifunctional hard alloy rotary file, the cutting part of which is an arc cutting part, a plurality of cutting edges are arranged on the cutting part, each cutting edge is an arc cutting edge and is arranged in a spiral shape, the core thickness of the cutting part is 0.5-0.85 times of the diameter of the cutting edge, the front end of the cutting edge is provided with a front angle of 5-12 degrees, the rear end of the cutting edge is provided with a spiral angle of 12-40 degrees, a 15-35 degrees tooth clearance angle is arranged between the cutting edges, the multifunctional hard alloy rotary file also comprises a heat dissipation part, the periphery of the heat dissipation part is arrayed with heat dissipation fins, the heat dissipation part is sleeved on the arc transition part, one end of the heat dissipation part is abutted against the cutting part, one end of the heat dissipation part abutted against the cutting part is provided with a plurality of connecting columns, the cutting part is provided with a plurality of holes corresponding to the connecting, good heat dissipation and long service life, and is particularly suitable for processing soft material workpieces.
Description
Technical Field
The utility model relates to a multi-functional carbide rotary file.
Background
The hard alloy rotary file, also called hard alloy high-speed assorted milling cutter, hard alloy die milling cutter, etc., is generally used in combination with a high-speed electric grinder or a pneumatic tool. When processing metals such as stainless steel, copper, aluminum and the like and non-metallic materials such as marble, jade, bone and the like, the rotary hard alloy file is easy to generate the phenomena of knife sticking and chip accumulation and is not durable enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a multifunctional hard alloy rotary file.
The technical scheme of the utility model is that: a multifunctional hard alloy rotary file comprises a cutter handle, an arc transition part, cutter body steps and a cutting part which are connected into a whole, wherein the cutting part is an arc cutting part, a plurality of cutting edges are arranged on the cutting part, the cutting edges are hard alloy cutting edges, each cutting edge is an arc cutting edge and is arranged in a spiral shape, the core thickness of the cutting part is 0.5-0.85 times of the diameter of the cutting edge, the front end of each cutting edge is provided with a front angle, the angle of the front angle is 5-12 degrees, the rear end of each cutting edge is provided with a spiral angle, the angle of the spiral angle is 12-40 degrees, a tooth clearance angle is arranged between the cutting edges, the angle of the tooth clearance angle is 15-35 degrees, the multifunctional hard alloy rotary file further comprises a heat dissipation part, heat dissipation fins are arrayed on the periphery of the heat dissipation part, a connection hole is formed in the middle of the heat, the heat dissipation part is sleeved on the arc transition part, one end of the heat dissipation part is abutted to the cutting part, a plurality of connecting columns are arranged at one end of the heat dissipation part abutted to the cutting part, a plurality of holes corresponding to the connecting columns are formed in the cutting part, and the connecting columns are inserted into the corresponding holes.
Specifically, the cutter handle and the cutter body step are of a high-strength steel integrated structure, the right end face of the cutter body step is connected with the cutting part in a high-frequency welding mode, and the heat dissipation part and the arc transition part are welded into a whole.
Preferably, the cutting edge has 6-20 pieces.
Specifically, the heat dissipation part, the connecting column and the heat dissipation fins are integrally formed copper castings.
Alternatively, the cutting edges are arranged in a close-toothed configuration.
Optionally, each of the cutting edges is arranged in a cross-file tooth shape.
The utility model has the advantages that: the utility model has the advantages of the anterior angle is big, the wedge angle is little, the chip pocket is big, difficult jam, the cutting is sharp, the heat dissipation is good and long service life, is particularly useful for filing soft material work pieces such as non-metallic material such as aluminium, copper, mild steel, marble, jade, bone, can be used to clear up overlap, burr, the welding seam of casting, forging, weldment simultaneously, various machine part's chamfer radius and slot processing, clearance pipeline, the sleeking at impeller runner position.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic view of the front end of the cutting part of the present invention;
fig. 3 is a cross-sectional view of the cutting portion of the present invention;
fig. 4 is a schematic structural diagram of the rear end of the present invention;
FIG. 5 is a schematic structural view of the second embodiment;
FIG. 6 is a schematic structural diagram of the third embodiment.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
The first embodiment,
As shown in fig. 1-4, the multifunctional hard alloy rotary file comprises a handle 1, an arc transition part 2, a cutter body step 3 and a cutting part 4, wherein the handle 1 and the cutter body step 3 are of a high-strength steel integrated structure, the right end surface of the cutter body step 3 is connected with the cutting part 4 in a high-frequency welding manner, the cutting part 4 is an arc cutting part, 6-20 cutting edges 5 are arranged on the cutting part 4, and the specific number of the cutting edges 5 is increased or decreased according to the diameter of the cutting part 4 so as to meet the requirements of different processing occasions;
the cutting edges 5 are hard alloy cutting edges, each cutting edge 5 is an arc-shaped cutting edge 5, and the cutting edges are arranged in a spiral shape, so that chamfering and groove processing of various mechanical parts can be conveniently realized, pipelines can be cleaned, and the surfaces of inner holes of the mechanical parts can be finely processed;
the core thickness of the cutting part 4 is 0.5-0.85 times of the diameter of the cutting edge 5, so that the integral strength of the rotary file is ensured under the condition of different tooth numbers;
the front end of the cutting edge 5 is provided with a front angle a, the angle of the front angle a is 5-12 degrees, the front angle a can smoothly break the surface of a workpiece, the workpiece is prevented from being adhered, the cutting capability is enhanced, the generation of cutter jumping and overlarge vibration is avoided, the pressure is reduced, and the stable machining of the tool is ensured;
a spiral angle b is arranged at the rear end of the cutting edge 5, and the angle of the spiral angle b is 12-40 degrees so as to enhance the strength of the cutting edge 5;
a tooth clearance angle 6 is arranged between the cutting edges 5, the angle of the tooth clearance angle 6 is 15-35 degrees, and a helical angle b is matched with the tooth clearance angle 6 so as to ensure smooth chip removal, enable cooling liquid to flow into a cutter head and reduce heat generation;
the heat dissipation part 7 is a copper casting, heat dissipation fins 8 are arrayed on the periphery of the heat dissipation part 7, a connecting hole is formed in the middle of the heat dissipation part 7, one end of the connecting hole corresponds to the arc transition part 2 in shape, the heat dissipation part 7 is sleeved on the arc transition part 2, one end of the heat dissipation part 7 is abutted to the cutting part 4, six connecting columns 9 are arranged at one end of the heat dissipation part 7 abutted to the cutting part 4, six holes corresponding to the connecting columns 9 are formed in the cutting part 4, each connecting column 9 is inserted into the corresponding hole, and the heat dissipation part 7 and the arc transition part 2 are welded into a whole; the cutting part 4 has good heat conduction performance because the connecting column 9, the heat dissipation part 7 and the heat dissipation fins 8 are all made of copper, and the cutting part 4 quickly dissipates heat through the connecting column 9 and the end part of the heat dissipation part 7 abutted against the connecting column 9 so as to prolong the service life of the whole rotary file;
to sum up, the utility model has the advantages of the anterior angle is big, the wedge angle is little, the chip pocket is big, the smear metal is difficult for blockking up, the cutting is sharp, the heat dissipation is good and long service life, is particularly useful for filing soft material work pieces such as non-metallic material such as aluminium, copper, mild steel, marble, jade, bone, can be used to clear up overlap, burr, the welding seam of casting, forging, weldment simultaneously, the chamfer radius and the slot processing of various machine parts, clearance pipeline, the sleeking at impeller runner position.
Example II,
As shown in fig. 5, on the basis of the first embodiment, the cutting edges 5 are arranged in a dense tooth shape, and are particularly suitable for various metal and nonmetal craft engravings and craft gift engravings.
Example III,
As shown in fig. 6, in the first embodiment, the cutting edges 5 are arranged in a cross-file shape, and are particularly suitable for finishing the inner hole surfaces of various metal mold cavities and finishing machine parts.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a multi-functional carbide rotary file, is including connecting handle of a knife, circular arc transition portion, cutter body step and the cutting portion as an organic whole, its characterized in that: the cutting part is an arc-shaped cutting part, a plurality of cutting edges are arranged on the cutting part, the cutting edges are hard alloy cutting edges, each cutting edge is an arc-shaped cutting edge and is arranged in a spiral shape, the core thickness of the cutting part is 0.5-0.85 times of the diameter of the cutting edge, the front end of each cutting edge is provided with a front angle, the angle of the front angle is 5-12 degrees, the rear end of each cutting edge is provided with a spiral angle, the angle of the spiral angle is 12-40 degrees, a clearance angle is arranged between the cutting edges, the angle of the clearance angle is 15-35 degrees, the cutting part further comprises a heat dissipation part, heat dissipation fins are arrayed on the periphery of the heat dissipation part, a connection hole is formed in the middle of the heat dissipation part, one end of the connection hole corresponds to the arc transition part, the heat dissipation part is sleeved on the arc transition part, one end of the heat dissipation part is abutted to the, the cutting part is provided with a plurality of holes corresponding to the connecting columns, and the connecting columns are inserted into the corresponding holes.
2. The multifunctional cemented carbide rotary file according to claim 1, wherein: the cutter handle and the cutter body step are of a high-strength steel integrated structure, the right end face of the cutter body step is connected with the cutting part in a high-frequency welding mode, and the heat dissipation part and the arc transition part are welded into a whole.
3. The multifunctional cemented carbide rotary file according to claim 2, wherein: the cutting edge has 6 ~ 20 pieces.
4. The multifunctional cemented carbide rotary file according to claim 3, wherein: the heat dissipation part, the connecting column and the heat dissipation fins are integrally formed copper castings.
5. The multifunctional cemented carbide rotary file according to claim 1, wherein: the cutting edges are arranged in a close-toothed shape.
6. The multifunctional cemented carbide rotary file according to claim 1, wherein: the cutting edges are arranged in a cross-file tooth shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021208280.2U CN212682668U (en) | 2020-06-28 | 2020-06-28 | Multifunctional hard alloy rotary file |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021208280.2U CN212682668U (en) | 2020-06-28 | 2020-06-28 | Multifunctional hard alloy rotary file |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212682668U true CN212682668U (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021208280.2U Active CN212682668U (en) | 2020-06-28 | 2020-06-28 | Multifunctional hard alloy rotary file |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212682668U (en) |
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2020
- 2020-06-28 CN CN202021208280.2U patent/CN212682668U/en active Active
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