CN101497137B - One-shot forming edge-neatening rose reamer and method for producing the same - Google Patents
One-shot forming edge-neatening rose reamer and method for producing the same Download PDFInfo
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- CN101497137B CN101497137B CN2008100184353A CN200810018435A CN101497137B CN 101497137 B CN101497137 B CN 101497137B CN 2008100184353 A CN2008100184353 A CN 2008100184353A CN 200810018435 A CN200810018435 A CN 200810018435A CN 101497137 B CN101497137 B CN 101497137B
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- rose reamer
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- 241000220317 Rosa Species 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 65
- 229910001315 Tool steel Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 5
- 238000009966 trimming Methods 0.000 abstract 4
- 238000000227 grinding Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 4
- 229910001651 emery Inorganic materials 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 238000007514 turning Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 235000010676 Ocimum basilicum Nutrition 0.000 description 1
- 240000007926 Ocimum gratissimum Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010330 laser marking Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 150000002751 molybdenum Chemical class 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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Abstract
The invention provides a once-forming trimming rose reamer and a manufacturing method thereof. The structure of the trimming rose reamer comprises a main tool bar, an elastic closed slot, a taper slot, a cutting tip and a pilot arc; and the front end of the main tool bar is provided with the pilot arc, and the outer side of the main tool bar is provided with at least one cutting tip. The once-forming trimming rose reamer has the advantages of scientific and reasonable design, simple structure, convenient manufacture and excellent performance, can complete chamber rounding and chip removing at two ends of a hole at one time, is suitable to be used for rounding chambers and removing chips of various holes on multiple kinds of precision equipment, numerical control equipment, large scale equipment and sophisticated equipment, is a novel tool to solve the problems of double-side rounding chamfers and trimming, and has good market prospect and practical value.
Description
Technical field
The present invention relates to novel nonstandard cutter used in a kind of machinery manufacturing industry, be in particular the two-sided chamfering of the complicated body through hole of a kind of high hydraulic valve that is used to solve military project, aviation, the industrial usefulness of automobile boats and ships, air valve, magnetic valve and various combination, half through hole and deburring and the rotary body cutter that designs.
Background technology
In the modern mechanical part processing, require the part of necessary via hole processing, sub-assembly, complicated body boring machine commonly used is crossed Hole chamfering.But the aperture is generally all relatively large; But the chamfering that lathe also can adopt long knife bar to process some clamping rotary body parts, but these methods are difficult to be implemented in the one-shot forming deburring chamfering of going to finish various small-bores in the parts body.
In the cutter that existing various machinings are used,, all belong to the rigidity cutting no matter be rotary cutter or non-rotary body cutter.Rigidity cutting requires tool bodies to have higher intensity, can not produce flexural deformation when cutting is stressed, and this just requires the knife bar of cutter such as boring cutter lathe tool can not be long, otherwise will produce the elasticity cutter relieving.Promptly along with the increase knife bar of cutting force can the bending thereupon producing strain.
Development along with Machine Manufacturing Technology, require engineers and technicians can solve various machinery production difficult problems, chamfering, deburring, deburring are also constantly proposed new demand, their function is combined, form gang tool, become the direction that domestic and international business unit makes cutter.
And former valve body inner bore repaiies burr, can only rely on senior skilled worker's hand grinding; Along with the development of high-speed tool steel and rotary body cutter, more and more deep to the understanding of high-speed tool steel and cutter, two-sided chamfering also becomes possibility technically gradually.
Summary of the invention
The objective of the invention is to solve the difficult problem that hole in piece part the inner can't chamfering, a kind of gang tool that integrates chamfering, deburring, deburring function is provided.
Purpose of the present invention is achieved through the following technical solutions:
One-shot forming edge-neatening rose reamer comprises the main body knife bar, elastic closure groove, tapering groove, cutting tip and lead arc; Described elastic closure groove is arranged on main body knife bar front end with the tapering groove makes the main body knife bar roughly become forked type, and the tapering groove is arranged on the front end of elastic closure groove; The front end of main body knife bar is to lead arc, and its arranged outside has at least one cutting tip.Described cutting tip is one or two.Described cutting tip includes front end cutting edge and rear end cutting edge.Described front end cutting edge profile is 45 degree, and the rear end cutting edge profile is 33 degree.
Described main body knife bar is the round bar of an equal diameter or the round bar that is provided with a step.
The material of described one-shot forming edge-neatening rose reamer is high-speed tool steel M42.
Make the method for above-mentioned one-shot forming edge-neatening rose reamer, comprise following master operation in order: angle before and after line cutting fracture, turning, flat two end surfaces, centering, heat treatment, grinding centre bore, cylindrical grinding, blade moulding, the carbide tips, fall anterior angle, essence and cut in tack measured length, the outer terminal knife edge of correct grinding, the correct grinding terminal knife edge, correct grinding and lead arc, shank chamfering, rough polishing, line cutting elasticity notch, remove line and cut notch all round sharp comer and burr, finishing polish.
Behind the described heat treatment step, cutting tip hardness is HRC65-67; Elastic closure slot tail hardness is HRC48-62; Main body handle of a knife hardness is more than the HRC40.
Described heat treatment step comprises first integral quenching to 1230-1250 degree centigrade, increases temperature at the elastic closure slot part then and carries out tempering for 570 degrees centigrade.
Beneficial effect of the present invention is embodied in: design science of the present invention is reasonable, simple in structure, easily manufactured, superior performance, can disposablely finish the chamfering and the deburring at two ends, hole, be fit to use at various precision equipments, numerical control device, the chamfering in various holes and deburring on main equipment and the tip device, also easier is the two-sided chamfering and the deburring of the high hydraulic valve, air valve, magnetic valve of military project, aviation, the industrial usefulness of automobile boats and ships and the complicated body through hole of various combination, combination bore, half through hole.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Fig. 1: the front view of first embodiment of the invention;
Fig. 2: the front view of second embodiment of the invention;
Fig. 3: the front view of third embodiment of the invention;
Fig. 4: course of work schematic diagram of the present invention.
Wherein:
1 main body knife bar, 2 elastic closure grooves
3 tapering grooves, 4 cutting tips
41 front end cutting edges, 42 rear end cutting edges
5 lead arc
A back segment cutting edge profile
B front end cutting edge profile
The specific embodiment
The present invention has disclosed a kind of one-shot forming edge-neatening rose reamer, as shown in Figure 1, comprises main body knife bar 1, elastic closure groove 2, tapering groove 3, cutting tip 4 and lead arc 5; Described elastic closure groove 2 is arranged on main body knife bar 1 front end with tapering groove 3 makes main body knife bar 1 roughly become forked type, and tapering groove 3 is arranged on the front end of elastic closure groove 2; The front end of main body knife bar 1 is to lead arc 5, and its arranged outside has two cutting tips 4.Main body knife bar 1 is convenient to the various device clamping can be made into staight shank, cuts plane, and Mohs is tapered; It in the present embodiment staight shank.
The length of elastic closure groove 2 and width of rebate decision blade cut elastic strength and when via hole the key of the elastic performance of closure, determine rational size range, make one-shot forming edge-neatening rose reamer be equipped with good Practical Performance.
To increase the purpose of 6 ° tapering groove 3 again be to make cutter hub be slightly less than the external diameter of knife bar at the outside dimension that produces closed back blade by the hole to front end on the basis of elastic closure groove 2, and via hole does not cut hole wall smoothly.The effect that front end is led arc 5 is to be convenient to lead smoothly hand-hole, and hand-hole rear center guarantees chamfer quality in the location.
Material used in the present invention is high-speed tool steel M42, this grade of steel contains 8% cobalt element, red hardness and wearability all are better than common tungsten system and molybdenum series high speed tool steel, and elastic performance reaches requirement, and be proper in making one-shot forming edge-neatening rose reamer on cutting, elastic performance, hardness.
Cutter hub must possess by carrying out the function of chamfering cutting behind the hole.And the cutting principle of one-shot forming edge-neatening rose reamer just is being based on the elastic property of cutter material, and is opposing with the cutting principle of conventional cutter.Realize two-sided chamfering, cutter hub and blade must possess two functions: elasticity cutting and hand-hole closure function, and flexible performance must guarantee that it is benchmark that cutter hub and blade have the inwall that certain cutting hardness is finished cutting and closure is not damaged the hole during via hole, can cut once more again behind the via hole, thereby two-sided cutting chamfering, deburring, deburring.
Second embodiment among Fig. 2 and the difference of first embodiment only are: the arranged outside of main body knife bar 1 has and has only a cutting tip 4.The 3rd embodiment among Fig. 3 and the difference of second embodiment only are: main body knife bar 1 is one to be provided with the round bar of a step, but not the isodiametric round bar among preceding two embodiment, design also is in order to satisfy the clamping of other equipment like this.
Fig. 4 has disclosed the course of work of the present invention, i.e. the process of chamfering deburring.Lead arc 5 when front end and enter in the hole after the centralized positioning, 45 front edge blade 4 is finished the chamfering cutting, elasticity hand-hole after the chamfering, when elastic closure groove 2 is closed because blade external diameter front edge chamfering can not produce damage to hole wall; Behind the via hole behind 33 ° of angles the terminal knife edge closure finish the chamfering cutting, 33 ° are converted into 45, two-sided like this chamfer angle all is 45 °.
The manufacturing procedure of one-shot forming edge-neatening rose reamer is more, can't realize rapid processing by automatic equipment, can only be by special special purpose machine tool and special clamping apparatus decomposition process processing, and concrete operation is as follows:
1, line cutting fracture; 2, turning, flat two end surfaces; 3, centering; 4, heat treatment; 5, grind centre bore; 6, corase grind cylindrical; 7, correct grinding cylindrical; 8, blade moulding (grinding is cut apart); 9, correct grinding circle (cylinder between blade and bar footpath are together); 10, angle (20 ° of angles, back, 7 ° of angles, front) before and after the carbide tips; 11, preceding R angle 0.2MM (change when avoiding the blade via hole and damage the aperture); 12, essence is cut the tack measured length; 13, correct grinding outer terminal knife edge 45 (relief angle is 10 °); 14,33 ° of angles of terminal knife edge (relief angle is 10 °) in the correct grinding; 15, the correct grinding head is led arc; 16, shank chamfering; 17, rough polishing (removing the grinding vestige of the different directions that when cutting apart blade and correct grinding sired results preface, produces); 18, sharpening sheet front circular arc is promptly opened the preceding basil; 19, line cutting elasticity notch and 6 ° of angles; 20, remove line cutting notch all round sharp comer and burr; 21, finishing polish; 22, laser marking will; 23, packing.
From above process flow as can be seen, have multiple working procedure to be difficult to processing, the ability of accomplishing scale production must be designed the special tool anchor clamps that are fit to each operation.
Below describe at typical process:
The turning operation, the knife bar of two-sided rose reamer is carefully grown, blade must machine-shaping on the round bar body, but the Vehicle Processing difficulty is just bigger, and the machining elongate rod must machine on easy little measuring truck successively with lead mould and lathe tool one follow(er) rest of alloy.
Cylindricalo grinding operation, small dimension elongate rod all adopt the processing of sand milling long handle, and the blade position adopts the pattern tool to process on grinding machine with anterior guiding position.
The grinding of blade moulding is to design rotatable calibration location and the clamping apparatus that can support adjustment according to the circumference angle that constitutes blade, and the clamp body minute of angle is that 70 ° of angles and 110 ° of angles constitute.20 ° of angles of 8 ° of angles, front of blade and back all are to finish by this cover clamping apparatus when moulding is located.
Cylinder adopts emery wheel to repair the method for interior circular arc along knife bar direction correct grinding circle before and after the blade.Match with the front and back section, can meet the requirements through rough polishing again.
10 ° of angles of outer end blade 45 and its relief angle are to select for use close lead of screw and emery wheel reconditioning to become corresponding angle to process according to different specification external diameters; 33 ° of angles of inner blade are identical with the processing method at its 10 ° of angles of relief angle, and the lead of screw of just selecting for use is left-handed.
The front arc surface of blade is the shared preceding edged surface of 45 ° of cutting edges and 33 ° of cutting edges, is main cutting edge, selects different emery wheels to machine according to the size of blade size.
The line cutting groove, the each cutting of line cutting is the best with single, guarantees accurate positioning, the method for forming tank cutting guarantees that cutting accuracy is in 0.1MM.
Heat treatment, because one-shot forming edge-neatening rose reamer needs better elastic, require the different position section of heat treatment to have different hardness: blade cut part hardness is HRC65-67; Elastic groove portion hardness is HRC48-62; More than the shank hardness HRC40.Through experiment, we select first integral quenching (1230 ℃-1250 ℃), partly increase temperature (570 ℃) at elastic groove then and carry out the way that tempering reduces hardness, realize the different hardness requirement of each section, finally satisfy cutter to hardness, toughness, intensity, the elasticity requirement.
The above only is an exemplary applications of the present invention, should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, and these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. one-shot forming edge-neatening rose reamer is characterized in that: comprise main body knife bar (1), elastic closure groove (2), tapering groove (3), cutting tip (4) and lead arc (5); Described elastic closure groove (2) is arranged on main body knife bar (1) front end with tapering groove (3) makes main body knife bar (1) roughly become forked type, and tapering groove (3) is arranged on the front end of elastic closure groove (2); The top of main body knife bar (1) is to lead arc (5), and main body knife bar (1) arranged outside has at least one cutting tip (4).
2. one-shot forming edge-neatening rose reamer according to claim 1 is characterized in that: described cutting tip (4) is one or two.
3. one-shot forming edge-neatening rose reamer according to claim 2 is characterized in that: described cutting tip (4) includes front end cutting edge (41) and rear end cutting edge (42).
4. one-shot forming edge-neatening rose reamer according to claim 3 is characterized in that: described front end cutting edge profile (B) is 45 degree, and rear end cutting edge profile (A) is 33 degree.
5. one-shot forming edge-neatening rose reamer according to claim 1 is characterized in that: the tapering of described tapering groove (3) is 6 degree.
6. one-shot forming edge-neatening rose reamer according to claim 1 is characterized in that: the handle of a knife of described main body knife bar (1) is the round bar of an equal diameter or the round bar that is provided with a step.
7. one-shot forming edge-neatening rose reamer according to claim 1 is characterized in that: the material of described one-shot forming edge-neatening rose reamer is high-speed tool steel M42.
8. one-shot forming edge-neatening rose reamer according to claim 1 is characterized in that: cutting tip (4) hardness is HRC65-67, and elastic closure groove (2) afterbody hardness is HRC48-62, and the handle of a knife hardness of main body knife bar (1) is more than the HRC40.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100184353A CN101497137B (en) | 2008-02-01 | 2008-02-01 | One-shot forming edge-neatening rose reamer and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100184353A CN101497137B (en) | 2008-02-01 | 2008-02-01 | One-shot forming edge-neatening rose reamer and method for producing the same |
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| CN101497137A CN101497137A (en) | 2009-08-05 |
| CN101497137B true CN101497137B (en) | 2010-12-29 |
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Families Citing this family (9)
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| CN102489784A (en) * | 2011-12-06 | 2012-06-13 | 贵州凯星液力传动机械有限公司 | Processing method for removing burrs at holes in valve body |
| CN102962524A (en) * | 2012-11-13 | 2013-03-13 | 杭州世宝汽车方向机有限公司 | Tool for deburring orifice of small hole communicated with inner wall of deep hole |
| CN105312836B (en) * | 2014-06-06 | 2017-08-25 | 哈尔滨飞机工业集团有限责任公司 | Helicopter lift system fixed disk inner side chamfering processing method |
| CN104308202A (en) * | 2014-09-11 | 2015-01-28 | 李汉祥 | Chamfering knife for double faces of through hole |
| CN104439334A (en) * | 2014-10-28 | 2015-03-25 | 芜湖世特瑞转向系统有限公司 | Cutter for rounding reserve side of steering engine shell locating hole and machining technology of cutter |
| CN108818974B (en) * | 2018-08-24 | 2021-01-01 | 安徽格林开思茂光电科技股份有限公司 | Touch-sensitive screen cutting assembly |
| CN109014805A (en) * | 2018-08-25 | 2018-12-18 | 青岛征和工业股份有限公司 | A kind of manufacturing method of precision shaped cutter |
| CN113210750B (en) * | 2021-05-10 | 2022-05-10 | 三花股份（江西）自控元器件有限公司 | Deburring device for inner hole of air conditioner stop valve |
| CN113510313A (en) * | 2021-07-13 | 2021-10-19 | 贵州航天电器股份有限公司 | Indexable deburring cutter for inner wall cross orifices |
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Effective date of registration: 20110318 Address after: 215217 No. 108, north side, Golden Lion Road, Wujiang Economic Development Zone, Suzhou, Jiangsu Patentee after: Wujiang Boao Tools Co. Ltd. Address before: Pingjiang District of Suzhou City, 215000 Gan Jiang West Road, Jiangsu province No. 288 Patentee before: Wang Jianbo |
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