CN110919469B - Whirlwind milling knife and production process thereof - Google Patents
Whirlwind milling knife and production process thereof Download PDFInfo
- Publication number
- CN110919469B CN110919469B CN201911356398.1A CN201911356398A CN110919469B CN 110919469 B CN110919469 B CN 110919469B CN 201911356398 A CN201911356398 A CN 201911356398A CN 110919469 B CN110919469 B CN 110919469B
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- cutting edge
- cutting
- cutting edges
- knife
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000003801 milling Methods 0.000 title claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims abstract description 118
- 238000000227 grinding Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 230000001154 acute effect Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 4
- 238000004663 powder metallurgy Methods 0.000 claims description 3
- 230000001351 cycling effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 15
- 239000000428 dust Substances 0.000 abstract description 10
- 231100000241 scar Toxicity 0.000 abstract description 10
- 238000005498 polishing Methods 0.000 description 11
- 238000003754 machining Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 208000032544 Cicatrix Diseases 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000037387 scars Effects 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/08—Disc-type cutters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Milling Processes (AREA)
Abstract
The invention relates to a whirling milling knife and a production process thereof, comprising a body, wherein the surface of the body is provided with first cutting edges which are distributed at intervals around the circumference and are deviated from the radial direction of the body; through set up first cutting edge around circumference interval on the surface of body, the part that the butt weld scar was higher when the body rotated in the in-service use is cut with the help of first cutting edge, its removal mode is mainly with cutting, and then can not produce high temperature because of the friction in product welding department during, the main piece that takes place of cutting production simultaneously can not produce the dust and cause the influence to staff's health, the difficult adhesion product surface of piece, thereby effectively reduce the dust production and reduce the influence to welding quality, possess like this and get rid of efficiently and body long service life, be difficult for producing wearing and tearing, moreover, the inside condition of weld scar can be clearly seen in the cutting process in time judges the welding quality condition, moreover this whirlwind mill sharpening knife has the advantage of being convenient for production.
Description
Technical Field
The invention relates to the technical field of grinding tools, in particular to a whirlwind milling cutter and a production process thereof.
Background
With the continuous development of society at present, many occasions can be applied to welding technology, for example, a plurality of aluminum alloy parts on the automobile industry are fixed together through welding, and weld marks can be generated at the welded parts, so that the weld marks need to be polished and leveled later, and the polishing sheets on the angle grinder are used for polishing in the prior art.
For example, chinese patent publication No. CN208246512U discloses a recyclable angle grinder, including installing the epaxial angle grinder of angle grinder, be located the angle grinder inboard in the pivot and be provided with the backing ring, backing ring internal diameter and pivot looks adaptation, backing ring external diameter and angle grinder internal diameter adaptation, the angle grinder that big angle grinder replaced is installed on little angle grinder through the backing ring and is used, has solved extravagant problem, has saved manufacturing cost.
When the polishing sheet is used for polishing and leveling the weld scars, dust is generated in the polishing sheet, the dust can influence the physical health of workers on one hand, and on the other hand, the dust can adhere to the surface of a product, and friction can cause temperature increase at the position during polishing, so that the quality of a welding part is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a cyclone milling knife which can reduce dust and reduce the influence on welding quality.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a whirling mill knife, includes body, its characterized in that: the surface of the body is provided with first cutting edges which are distributed at intervals around the circumference, and the first cutting edges are arranged in a radial direction deviating from the body.
Through set up first cutting edge around circumference interval on the surface of body, the part that the butt weld scar was higher when the body rotated in the in-service use is cut with the help of first cutting edge, its removal mode is mainly with cutting, and then can not produce high temperature because of the friction in the product welding department during, the main piece that takes place of cutting production simultaneously is mainly because of the friction, can not produce the dust and cause the influence to staff's health, the difficult adhesion product surface of piece, thereby effectively reduce the dust production and reduce the influence to welding quality, possess like this and get rid of efficiently and body long service life, be difficult for producing wearing and tearing, moreover, can clearly see the inside condition of weld scar in the cutting process and judge the welding quality condition in time.
The invention further provides that: the thickness of the body gradually decreases from the center of the circle to the outside, and the first cutting edge is arranged along the arc direction from the inside to the outside along the thickness of the body.
The thickness of the body gradually decreases from the middle part outwards, so that the overall structural strength of the body is improved, the first cutting edge is arranged in an arc shape, and the first cutting edge is in contact with the surface of a product in a specific use process instead of in line contact, so that the friction resistance of the contact can be effectively reduced, and the first cutting edge can smoothly and smoothly conduct cutting and grinding.
The invention further provides that: the angle of the first cutting edge gradually increases from one end of the circle center to the other end.
The angle of the first cutting edge is set to be in a structure of linear increment, so that the position of the first cutting edge can be adjusted to be in contact with the first cutting edge according to the actual hardness of a product for cutting in a specific use process, the condition that the product with larger cutting hardness of the first cutting edge with smaller angle is damaged is avoided, the first cutting edge can be protected to a certain extent, and meanwhile, the first cutting edge can be suitable for cutting products with different hardness, and the device has better practicability.
The invention further provides that: the angle of one end of the first cutting edge, which is close to the center of the circle, is an acute angle.
Therefore, the angle of one end of the first cutting edge, which is close to the center of the circle, is smaller, so that the cutting resistance can be reduced more easily and smoothly when the product such as the aluminum alloy is cut, and a better cutting effect is achieved.
The invention further provides that: the first cutting edges are symmetrically arranged on the two side surfaces of the body, one ends, far away from the circle center, of the first cutting edges on the two sides of the body penetrate out of the body and are mutually connected to form second cutting edges, and the second cutting edges are located on the peripheral part of the outer circle of the body and are uniformly distributed around the circumference.
The first cutting edge that the symmetry set up makes the body both sides can both cut and use, improves the body and cuts usable floor area, connects between the first cutting edge of both sides moreover and forms the second cutting edge that the sword is longer short in the body periphery, and the second cutting edge can be used for the back gouging processing of opening of weld seam department, also can be applicable to occasions such as clearance processing, panel beveling processing and work piece excision processing of fillet department, and to a great extent improves the functionality of whirlwind milling knife, and the functionality is more, can satisfy the operation requirement of more different occasions.
The invention further provides that: the middle part of body is offered and is run through the mounting hole, the mounting hole inner wall is protruding to be equipped with the bulge loop.
The setting of mounting hole can reduce the whole weight of body at first, the operation when being convenient for people's handheld angle mill more, also can effectively reduce production material in addition and come reduce cost, and wherein the installation of body is fixed in the setting of bulge loop of being convenient for, and it is fixed on angle mill or the anchor clamps on production of being convenient for.
The invention further provides that: the first cutting edge and the second cutting edge are evenly distributed around the circumference of the body.
The first cutting edge and the second cutting edge which are uniformly distributed on the circumference have better uniformity in the rotary cutting process, and better cutting and polishing effects can be achieved.
The invention further provides that: the body and the first cutting edge are integrally arranged and are all made of hard alloy.
The hard alloy has a series of excellent performances such as high hardness, wear resistance, better strength and toughness, heat resistance, corrosion resistance and the like, and particularly the high hardness and wear resistance of the hard alloy can still be well maintained in an environment with higher temperature, so that the durability of the whirling milling knife is effectively improved.
The invention also aims to provide a production process of the whirling milling knife, which has the advantage of convenient production and processing.
The aim of the invention is achieved by the following technical scheme:
The invention further provides that: the production process of the whirling mill knife comprises the following steps:
Step 1: obtaining an annular body blank by means of powder metallurgy;
Step 2: clamping and fixing the body blank material by means of a clamp;
Step 3: the surface of the body blank is ground by means of a grinding wheel to form a first cutting edge.
The whole process flow is simple, links are fewer, and after the body blank is obtained, the production and the processing of the first surface cutting edge can be completed by means of the grinding wheel advancing on the surface of the body blank according to the required track, so that the production and the processing are convenient, and the production efficiency is higher.
In summary, the present invention includes at least one of the following beneficial technical effects:
1. when in processing and use, the device has no dust, explosion hazard, safety and environmental protection, and saves expensive dustproof and explosion-proof investment;
2. no abrasive residue adheres to the surface and does not affect the welding quality;
3. the material is not overheated, and the polishing stress is not increased;
4. The efficient material removal efficiency is equivalent to more than 5-6 times of that of the traditional polishing mode;
5. The service life of the product is long, which is approximately equal to that of 5000 grinding wheels;
6. The back flushing/rebound is avoided, teeth are not broken, and personnel safety accidents are avoided;
7. the welding defect is immediately visible;
8. the polishing sparks are reduced and stopped, and the safety precaution work is less;
9. The polishing cost is greatly reduced.
Drawings
Fig. 1 is an overall configuration diagram of embodiment 1.
Fig. 2 is a top view of example 1.
Fig. 3 is a flow chart of example 2.
Fig. 4 is a structural diagram of the jig in embodiment 2.
Reference numerals: 1. a body; 2. a mounting hole; 3. a first cutting edge; 4. a second cutting edge; 5. a convex ring; 6. a fixed plate; 7. a pressure plate; 8. a column; 9. a stud; 10. a threaded hole; 11. an operation hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the cyclone milling knife disclosed by the invention comprises an annular body 1, wherein the body 1 is made of hard alloy, a through mounting hole 2 is formed in the middle of the body 1, the diameter of the mounting hole 2 is larger than the outer diameter of half of the body 1, the thickness of the body 1 gradually decreases from the center of a circle to the outside, and the upper surface and the lower surface of the body 1 are cambered surfaces and are symmetrically arranged; the upper surface and the lower surface of the body 1 are respectively provided with corresponding first cutting edges 3, and the first cutting edges 3 are uniformly distributed at intervals around the circumference of the body 1; in the use process, when the body 1 is driven to rotate, the weld scar at the welding position can be cut smoothly by means of the first cutting edge 3 on the surface of the body, no dust is generated during cutting, scraps are generated during cutting, the cutting is more environment-friendly and safe, no abrasive material is adhered to the surface, the welding quality is not affected, whether flaws and bubbles exist in the weld scar can be clearly seen in the cutting process, the condition of the welding quality is known in time, the grinding machine has higher processing efficiency compared with the traditional grinding mode, and better durability is achieved, because the hard alloy has a series of excellent performances such as high hardness, wear resistance, better strength and toughness, heat resistance, corrosion resistance and the like, particularly the high hardness and the wear resistance of the hard alloy, and the performance can still be well maintained in the environment with higher temperature.
As shown in fig. 1 and 2, the first cutting edge 3 is arranged in an arc and deviates from the radial direction of the body 1, so that the first cutting edge 3 does not have contact between the whole edge and a weld scar in the rotation process of the body 1, and the resistance in rotation is effectively reduced; and the first cutting edge 3 is arc along with the cambered surface of the body 1, and the first cutting edge 3 is in point contact rather than line contact when in use, so that the first cutting edge 3 can perform cutting work more smoothly, and the cutting work is easier and smoother.
As shown in fig. 1 and 2, the angle of the cutting edge angle of the first cutting edge 3 gradually increases from one end of the center to the other end, and the cutting edge angle at the end near the center is an acute angle; therefore, the angle of the cutting edge of the first cutting edge 3 is linearly increased along the length direction of the first cutting edge, so that the position of the first cutting edge 3 can be adjusted to be contacted with the first cutting edge according to the actual hardness of a product in a specific use process, the condition that the product with larger cutting hardness is damaged by the first cutting edge 3 with a smaller angle is avoided, the first cutting edge 3 can be protected to a certain extent, and meanwhile, the first cutting edge 3 can be suitable for cutting products with different hardness, and the practicability is better; the minimum cutting edge angle is set to be an acute angle, and on the premise that the first cutting edge 3 is not broken in the occasion of cutting similar aluminum alloy weld scars, the cutting edge angle is sharper, so that the cutting is easier and easier, and the cutting efficiency is effectively improved.
As shown in fig. 1 and 2, the ends of the first cutting edges 3 on the upper and lower surfaces of the body 1, which are far away from the center of the circle, are connected with each other to form an integral structure, and a second cutting edge 4 is formed at the junction of the two ends, and the second cutting edge 4 is far smaller than the first cutting edge 3 in length and is uniformly distributed around the circumference of the body 1; the second cutting edge 4 can be used for the back chipping machining of the weld scar, can be suitable for occasions such as the cleaning machining of the fillet weld, the plate chamfering machining, the workpiece cutting machining and the like, improves the functionality of the whirlwind milling cutter to a great extent, has more functionality and can meet the use requirements of more different occasions; wherein the first cutting edge 3, the second cutting edge 4 and the body 1 are integrally provided, so that the integrity is good, and the overall structural strength is more ensured.
As shown in fig. 1, a convex ring 5 is convexly arranged on the inner wall of the middle mounting hole 2 of the body 1, wherein the convex ring 5 is arranged to facilitate the installation and fixation of the body 1, and is convenient to be installed on an angle grinder or a clamp on production for fixation.
Example 2: as shown in figure 3, firstly, an annular body blank is obtained by a traditional powder metallurgy mode, the thickness of the body blank is gradually reduced from the center to the outside, and a convex ring 5 is convexly arranged on the inner wall of a mounting hole 2 in the middle of the body blank; then, the body blank is arranged on a clamp for fixing, the clamp is shown in fig. 4 and comprises a fixed disc 6 and a pressing disc 7, the fixed disc 6 and the pressing disc 7 are matched with the mounting hole 2, the outer diameters of the fixed disc 6 and the pressing disc 7 are larger than the inner diameter of the convex ring 5, and meanwhile, a cylinder 8 is coaxially fixed on the fixed disc 6 and is used for being clamped and fixed by a three-jaw chuck on a grinding machine subsequently; the fixed disk 6 is convexly provided with a stud 9, the pressure disk 7 is provided with a threaded hole 10 in threaded connection with the stud 9, the pressure disk 7 and the fixed disk 6 are respectively positioned at two sides of the convex ring 5, the pressure disk 7 is fixed by the threaded connection of the threaded hole 10 and the stud 9, and the pressure disk 7 is symmetrically provided with two operation holes 11 which are convenient for the rotation operation; thereby realizing the stable fixation of the body blank material on the clamp; finally, the clamp is arranged on a grinding machine for fixing, the first cutting edge 3 and the second cutting edge 4 are machined by contacting the grinding wheel with the surface of the body blank in a moving way according to a designated track, the clamp rotates slowly along with the grinding wheel, and the arc-shaped first cutting edge 3 is machined by combining the movement of the grinding wheel; gradually moving the grinding wheel to the other side after being abutted against one side of the blank material of the body, and completing the first cutting edges 3 on the two symmetrical surfaces and the second cutting edges 4 connected with the two first cutting edges 3 at one time; then, the clamp is rotated to process the first cutting edge 3 at the next position, so that the production and the processing of whirling milling and sharpening can be completed by continuously cycling one circumference, and the number of the first cutting edges 3 distributed around the circumference in the embodiment is 55; the whole procedure is simple, the procedures are few, and the production efficiency is higher while the production and the processing are convenient.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (7)
1. Whirling mill knife, including body (1), its characterized in that: the middle part of the body (1) is provided with a penetrating mounting hole (2), and the diameter of the mounting hole (2) is larger than the outer diameter of half of the body (1); the surface of the body (1) is provided with first cutting edges (3), the first cutting edges (3) are distributed at intervals around the circumference, and the first cutting edges (3) are arranged in a radial direction deviating from the body (1);
The thickness of the body (1) gradually decreases from the center of a circle to the outside, and the first cutting edge (3) is arranged along the arc line from the inside to the outside of the thickness of the body (1);
the first cutting edges (3) are symmetrically arranged on the two side surfaces of the body (1), one ends, far away from the circle center, of the first cutting edges (3) on two sides of the body (1) penetrate out of the body (1) and are mutually connected to form second cutting edges (4), and the second cutting edges (4) are located at the outer circumference of the body (1) and evenly distributed around the circumference.
2. The whirling knife of claim 1, wherein: the angle of the first cutting edge (3) is gradually increased from one end of the circle center to the other end.
3. The whirling knife of claim 2, wherein: the angle of one end of the first cutting edge (3) close to the center of the circle is an acute angle.
4. The whirling knife of claim 1, wherein: convex rings (5) are convexly arranged on the inner walls of the mounting holes (2).
5. The whirling knife of claim 1, wherein: the first cutting edge (3) and the second cutting edge (4) are evenly distributed around the circumference of the body (1).
6. The whirling knife of claim 1, wherein: the body (1) and the first cutting edge (3) are integrally arranged and are all made of hard alloy.
7. A process for producing a whirling cutter according to any one of claims 1 to 6, characterized in that the process comprises the steps of:
Step 1: obtaining an annular body blank by means of powder metallurgy;
Step 2: clamping and fixing the body blank material by means of a clamp;
Step 3: grinding the surface of the body blank by means of a grinding wheel to form a first cutting edge (3);
In the step 3, the grinding wheel gradually moves to the other side after being abutted against one side of the blank material of the body, and the first cutting edges (3) on the two symmetrical surfaces and the second cutting edges (4) connected with the two first cutting edges (3) are finished at one time; and then the clamp is rotated to process the first cutting edge (3) at the next position, and the production and processing of the whirling milling knife are completed by continuously cycling one circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911356398.1A CN110919469B (en) | 2019-12-25 | 2019-12-25 | Whirlwind milling knife and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911356398.1A CN110919469B (en) | 2019-12-25 | 2019-12-25 | Whirlwind milling knife and production process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110919469A CN110919469A (en) | 2020-03-27 |
| CN110919469B true CN110919469B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911356398.1A Active CN110919469B (en) | 2019-12-25 | 2019-12-25 | Whirlwind milling knife and production process thereof |
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| Country | Link |
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| CN (1) | CN110919469B (en) |
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| KR200287025Y1 (en) * | 2002-05-07 | 2002-08-27 | 유윤석 | Solid carbide V grooving cutter |
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| CN104889466A (en) * | 2015-06-11 | 2015-09-09 | 山东大学 | Integral full-ceramic super dense-tooth three-edge milling cutter and manufacturing method thereof |
| CN106270693A (en) * | 2016-08-31 | 2017-01-04 | 北京控制工程研究所 | A kind of Novel T-shaped milling cutter |
| CN211277655U (en) * | 2019-12-25 | 2020-08-18 | 深圳市中天超硬工具股份有限公司 | Cyclone milling and grinding cutter |
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| FR2829954B1 (en) * | 2001-09-25 | 2004-01-16 | Renault | METHOD FOR MANUFACTURING A DIESEL ENGINE CYLINDER HEAD |
| KR200307146Y1 (en) * | 2002-12-03 | 2003-03-15 | 이원수 | side milling cutter for cutting tools |
| CN2860780Y (en) * | 2005-12-21 | 2007-01-24 | 魏爱英 | Wood floor processing knife tool |
| JP2012056058A (en) * | 2010-09-13 | 2012-03-22 | Shinx Ltd | Cutting tool for h-section steel |
| CN103203492A (en) * | 2012-09-29 | 2013-07-17 | 成都飞机工业（集团）有限责任公司 | Combined type special milling cutter for honeycomb |
| CN203266394U (en) * | 2013-05-07 | 2013-11-06 | 浙江永兴塑料有限公司 | Grinding head |
| DE102015121523A1 (en) * | 2015-12-10 | 2017-06-14 | Profilator Gmbh & Co. Kg | Device and method for roughing and fine machining of gears |
| CH713065B1 (en) * | 2016-10-21 | 2020-11-30 | Reishauer Ag | Tool for power skiving of pre-cut workpieces. |
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2019
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200287025Y1 (en) * | 2002-05-07 | 2002-08-27 | 유윤석 | Solid carbide V grooving cutter |
| CN102476214A (en) * | 2010-11-26 | 2012-05-30 | 富泰华工业（深圳）有限公司 | Cutter |
| CN104889466A (en) * | 2015-06-11 | 2015-09-09 | 山东大学 | Integral full-ceramic super dense-tooth three-edge milling cutter and manufacturing method thereof |
| CN106270693A (en) * | 2016-08-31 | 2017-01-04 | 北京控制工程研究所 | A kind of Novel T-shaped milling cutter |
| CN211277655U (en) * | 2019-12-25 | 2020-08-18 | 深圳市中天超硬工具股份有限公司 | Cyclone milling and grinding cutter |
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| CN110919469A (en) | 2020-03-27 |
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