CN109590550A - It is a kind of for removing the Special scraper knife of high-accuracy screw thread between cog burr - Google Patents
It is a kind of for removing the Special scraper knife of high-accuracy screw thread between cog burr Download PDFInfo
- Publication number
- CN109590550A CN109590550A CN201811436299.XA CN201811436299A CN109590550A CN 109590550 A CN109590550 A CN 109590550A CN 201811436299 A CN201811436299 A CN 201811436299A CN 109590550 A CN109590550 A CN 109590550A
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- CN
- China
- Prior art keywords
- burr
- scraper
- thread
- head
- cutter head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
- B23D79/02—Machines or devices for scraping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
- B23D79/02—Machines or devices for scraping
- B23D79/04—Machines or devices for scraping with rotating cutting-tool, e.g. for smoothing linings of bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G9/00—Working screws, bolt heads, or nuts in conjunction with thread cutting, e.g. slotting screw heads or shanks, removing burrs from screw heads or shanks; Finishing, e.g. polishing, any screw-thread
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G9/00—Working screws, bolt heads, or nuts in conjunction with thread cutting, e.g. slotting screw heads or shanks, removing burrs from screw heads or shanks; Finishing, e.g. polishing, any screw-thread
- B23G9/009—Thread cleaning or repairing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
It is a kind of for removing the Special scraper knife of high-accuracy screw thread between cog burr, including the scraper for removing thread bottom burr, the scraper for removing burr at the top of thread；For remove thread bottom burr scraper include the first cutter head (1) and the first knife handle (2), the first cutter head (1) be it is rod-shaped, head-bent be in wedge angle, bottom and the first knife handle (2) mating connection；Scraper for removing burr at the top of thread includes the second cutter head (3) and the second knife handle (4), second cutter head (3) is rod-shaped, head-bent, form of thread angle grooving is inwardly pressed at head, and bottom and the second knife handle (4) are cooperatively connected.Scraper of the invention is for removing accurate thread bottom of the tooth and the remaining cutting burr of tooth top after Vehicle Processing, Milling Machining or pincers processing, various sizes of scraper can be produced according to the different diameter of thread and screw pitch, as long as hand-held scraper is rotated in tooth by helix, that is, it can reach the purpose of removal burr.
Description
Technical field
The present invention relates to a kind of for removing the Special scraper knife of flash removed, belongs to field of machining.
Background technique
After high precision screw machining on metal parts, screw thread between cog has small burr residual, existing at present
Equipment and with burr removal means, perhaps high precision screw can be caused centainly damage or can jagged removal be not thorough.
Current burr minimizing technology, be by worker burr is scraped to place one by one, is taken time and effort using universal scraper, and
It is easy to scratch machined surface, it is also possible to the secondary generation for leading to burr.
Summary of the invention
The purpose of the present invention is: overcome the deficiencies in the prior art, the present invention provides one kind for removing high precision screw
The Special scraper knife of burr is effectively ensured burr removal rear thread precision, improves the efficiency of burr removal.
In order to achieve the above objectives, the present invention adopts the following technical scheme: it is a kind of for removing high-accuracy screw thread between cog burr
Special scraper knife, including the scraper for removing thread bottom burr, the scraper for removing burr at the top of thread；
Scraper for removing thread bottom burr includes the first cutter head and the first knife handle, and the first cutter head is rod-shaped, head
Portion's bending is in wedge angle, and bottom and the first knife handle are cooperatively connected；
Scraper for removing burr at the top of thread includes the second cutter head and the second knife handle, and the second cutter head is rod-shaped, head
Portion is bent, and form of thread angle grooving is inwardly pressed at head, and bottom and the second knife handle are cooperatively connected.
Connection between first cutter head and the first knife handle uses Cone fit, and solid using gluing in cooperation aperture
It is fixed.
The material of first cutter head is high-speed steel.
The material of second knife handle is stainless steel.
The head of first cutter head uses radiused curve transition, and the value range of the nose angle α on head is 40 °~
50 °, the value range of tool cutting edge angle γ and auxiliary angle δ is 65 °~70 °.
The value range of the rear angle beta on the head of first cutter head is 63 °~67 °.
Connection between second cutter head and the second knife handle uses Cone fit, and solid using gluing in cooperation aperture
It is fixed.
The material of second cutter head is high-speed steel.
The material of second knife handle is stainless steel.
The head of second cutter head uses radiused curve transition, and the value of the anterior angle ζ on head is 55 ° or 60 °, relief angle
The value range of η is 18 °~22 °.
The advantages of the present invention over the prior art are that:
(1) it is simple that the present invention provides one kind, and convenient and fast accurate thread removes flash removed scraper, improves the matter for removing flash removed
Amount and efficiency, reduce the skill requirement to worker operation.
(2) present invention is applied widely, can remove a variety of different sizes, the hair of the accurate internal and external threads of different materials
Thorn.
(3 blade constructions of the present invention are simple, sharpening molding easy to process, easy to promote and utilize.
Detailed description of the invention
Fig. 1 is the scraper of removal thread bottom burr of the invention.
Fig. 2 is the scraper of burr at the top of removal thread of the invention.
Specific embodiment
The present invention will be described with reference to the accompanying drawings and examples.
It is a kind of for removing the Special scraper knife of high-accuracy screw thread between cog burr, including for removing thread bottom burr
Scraper, the scraper for removing burr at the top of thread；Scraper for removing thread bottom burr includes 1 He of the first cutter head
First knife handle 2, the first cutter head 1 be it is rod-shaped, head-bent is in wedge angle, and bottom and the first knife handle 2 are cooperatively connected；For removing screw thread
The scraper of tooth crest burr includes the second cutter head 3 and the second knife handle 4, and the second cutter head 3 is rod-shaped, head-bent, inside at head
By form of thread angle grooving, bottom and the second knife handle 4 are cooperatively connected.
Connection between first cutter head 1 and the first knife handle 2 uses Cone fit, guarantees that concentricity is higher, and in matching hole
Mouth is fixed using gluing.
First cutter head 1, the second cutter head 3 material be chosen for high rigidity, higher wearability, and there is certain toughness
High-speed steel, formed with linear cutter.
Second knife handle 2, the second knife handle 4 material choose have good corrosion resistance and higher hardness, be easy
The stainless steel material of processing.
Wherein the characteristics of the scraper of thread bottom, as shown in Figure 1, the head of the first cutter head 1 uses radiused transition, nose angle
α, double-sided blade grinding, ensure that the sharp of point of a knife, scraper stress is smaller.It is smaller to design anterior angle, guarantees that scraper has some strength.
Angle beta, tool cutting edge angle γ and auxiliary angle δ are larger afterwards, ensure that the sharp of blade.It is mainly used for remaining after removing vehicle, milling, pincers processing
The burr at remaining thread bottom.The value range of the nose angle α on head is 40 °~50 °, the value of tool cutting edge angle γ and auxiliary angle δ
Range is 65 °~70 °.The value range of the rear angle beta on head is 63 °~67 °.
Wherein the characteristics of screw thread tooth top scraper, as shown in Fig. 2, the head of the second cutter head 3 uses radiused transition, at point of a knife
Inwardly press form of thread angle ε grooving, design anterior angle ζ be it is smaller, guarantee scraper have some strength.Relief angle η is larger, and slot two sides are double
Face sharpening is cut, and ensure that the sharp of blade.It remains in the burr on screw thread tooth top after being mainly used for vehicle, milling, pincers processing.Anterior angle
The value of ζ is 55 ° or 60 °, and the value range of relief angle η is 18 °~22 °.
Embodiment:
Scraper for removing thread bottom burr, the scraper for removing burr at the top of thread, by cutter head and
Knife handle two parts composition.Wherein scraper cutter head and knife handle guarantee concentricity 0.02, taper 1 by the way of Cone fit:
200.Locking processing is carried out, the mode of processing is to apply epoxide-resin glue X98-11 in aperture.
Wherein scraper is formed with linear cutter, is then polished to Ra0.1 or more with oilstone.Tool tip material is chosen for height
Fast steel has high rigidity, and higher wearability, there are also enough intensity, certain toughness.High-speed steel is a kind of containing more
The high alloy tool steel of the alloying elements such as tungsten, molybdenum, chromium, vanadium cobalt, bending strength are 2~3 times of hard alloy, and toughness is hard
Tens times of alloy have good craftsmanship, easily grind keen edge, and comprehensive performance is preferable.
Wherein scraper knife handle material chooses stainless steel material, has good corrosion resistance and higher hardness, holds
Easy processing and processing cost is low, can also select more expensive high speed steel material.
Wherein for removing the scraper of thread bottom burr the characteristics of, as shown in Figure 1, the first cutter head 1 uses radiused
Transition, point of a knife use 45 ° of wedge angles, and double-sided blade grinding, to ensure that the sharp of point of a knife, scraper stress is smaller, and design anterior angle is
0 °, 65 ° of relief angle, tool cutting edge angle and auxiliary angle are 67.5 °, are mainly used for removing vehicle, milling, clamp remaining thread bottom after processing
Burr.
Wherein for removing the scraper of burr at the top of thread the characteristics of, as shown in Fig. 2, the second cutter head 3 uses radiused
Transition, inwardly presses form of thread angle (60 ° of metric system) grooving at point of a knife, and design anterior angle is 0 °, and 70 ° of relief angle, the two-sided sharpening in slot two sides
Cut, be mainly used for vehicle, milling, pincers processing after remain in the burr on screw thread tooth top, as long as cutter be placed on tooth top by helix into
Row rotation, it can achieve the purpose that flash removed.
Unspecified part of the present invention belongs to technology well known to those skilled in the art.
Claims (10)
1. a kind of for removing the Special scraper knife of high-accuracy screw thread between cog burr, which is characterized in that including for removing thread
The scraper of bottom burr, the scraper for removing burr at the top of thread；
Scraper for removing thread bottom burr includes the first cutter head (1) and the first knife handle (2), and the first cutter head (1) is bar
Shape, head-bent are in wedge angle, and bottom and the first knife handle (2) are cooperatively connected；
Scraper for removing burr at the top of thread includes the second cutter head (3) and the second knife handle (4), and the second cutter head (3) is bar
Shape, head-bent inwardly press form of thread angle grooving at head, and bottom and the second knife handle (4) are cooperatively connected.
2. according to claim 1 a kind of for removing the Special scraper knife of high-accuracy screw thread between cog burr, it is characterised in that:
Connection between first cutter head (1) and the first knife handle (2) uses Cone fit, and is fixed in cooperation aperture using gluing.
3. according to claim 2 a kind of for removing the Special scraper knife of high-accuracy screw thread between cog burr, it is characterised in that:
The material of first cutter head (1) is high-speed steel.
4. according to claim 2 or 3 a kind of for removing the Special scraper knife of high-accuracy screw thread between cog burr, feature exists
In: the material of second knife handle (2) is stainless steel.
5. according to claim 4 a kind of for removing the Special scraper knife of high-accuracy screw thread between cog burr, it is characterised in that:
The head of first cutter head (1) uses radiused curve transition, and the value range of the nose angle α on head is 40 °~50 °, main
The value range of drift angle γ and auxiliary angle δ is 65 °~70 °.
6. according to claim 5 a kind of for removing the Special scraper knife of high-accuracy screw thread between cog burr, it is characterised in that:
The value range of the rear angle beta on the head of first cutter head (1) is 63 °~67 °.
7. according to claim 1 a kind of for removing the Special scraper knife of high-accuracy screw thread between cog burr, it is characterised in that:
Connection between second cutter head (3) and the second knife handle (4) uses Cone fit, and is fixed in cooperation aperture using gluing.
8. according to claim 7 a kind of for removing the Special scraper knife of high-accuracy screw thread between cog burr, it is characterised in that:
The material of second cutter head (3) is high-speed steel.
9. according to claim 7 or 8 a kind of for removing the Special scraper knife of high-accuracy screw thread between cog burr, feature exists
In: the material of second knife handle (4) is stainless steel.
10. according to claim 9 a kind of for removing the Special scraper knife of high-accuracy screw thread between cog burr, feature exists
In: the head of second cutter head (3) uses radiused curve transition, and the value of the anterior angle ζ on head is 55 ° or 60 °, relief angle η
Value range be 18 °~22 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811436299.XA CN109590550A (en) | 2018-11-28 | 2018-11-28 | It is a kind of for removing the Special scraper knife of high-accuracy screw thread between cog burr |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811436299.XA CN109590550A (en) | 2018-11-28 | 2018-11-28 | It is a kind of for removing the Special scraper knife of high-accuracy screw thread between cog burr |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109590550A true CN109590550A (en) | 2019-04-09 |
Family
ID=65959072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811436299.XA Pending CN109590550A (en) | 2018-11-28 | 2018-11-28 | It is a kind of for removing the Special scraper knife of high-accuracy screw thread between cog burr |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109590550A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091009A (en) * | 2019-05-16 | 2019-08-06 | 中车青岛四方机车车辆股份有限公司 | A kind of processing method of English system round thread |
| CN110202216A (en) * | 2019-06-27 | 2019-09-06 | 中国航发贵州黎阳航空动力有限公司 | A kind of lining burr remover and method |
| CN112356313A (en) * | 2020-09-29 | 2021-02-12 | 航天材料及工艺研究所 | Ceramic matrix composite material micro internal thread low-damage turning method |
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| EP0308155A2 (en) * | 1987-09-18 | 1989-03-22 | W.E. Mckenzie Limited | Cutting and the like tools |
| CN2908020Y (en) * | 2006-05-19 | 2007-06-06 | 许晓华 | Clamping device for gear trimming |
| CN202062131U (en) * | 2011-03-31 | 2011-12-07 | 鞍钢股份有限公司 | Manual deburring cutter |
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| CN204603492U (en) * | 2015-05-08 | 2015-09-02 | 贵州新中航精工制造有限公司 | A kind of external screw thread deburrer |
| CN206316476U (en) * | 2016-12-26 | 2017-07-11 | 上海科弦精密工具有限公司 | A kind of deburring Knife for removing fish scales |
| CN108161626A (en) * | 2017-11-24 | 2018-06-15 | 江阴市永兴机械制造有限公司 | A kind of burr remover of gear-hobbing machine |
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| CN2908020Y (en) * | 2006-05-19 | 2007-06-06 | 许晓华 | Clamping device for gear trimming |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091009A (en) * | 2019-05-16 | 2019-08-06 | 中车青岛四方机车车辆股份有限公司 | A kind of processing method of English system round thread |
| CN110202216A (en) * | 2019-06-27 | 2019-09-06 | 中国航发贵州黎阳航空动力有限公司 | A kind of lining burr remover and method |
| CN110202216B (en) * | 2019-06-27 | 2020-06-23 | 中国航发贵州黎阳航空动力有限公司 | Liner deburring method |
| CN112356313A (en) * | 2020-09-29 | 2021-02-12 | 航天材料及工艺研究所 | Ceramic matrix composite material micro internal thread low-damage turning method |
| CN112356313B (en) * | 2020-09-29 | 2022-07-29 | 航天材料及工艺研究所 | Ceramic matrix composite material micro internal thread low-damage turning method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190409 |
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| RJ01 | Rejection of invention patent application after publication |