CN103692024B - Burr removing device in through hole - Google Patents
Burr removing device in through hole Download PDFInfo
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- CN103692024B CN103692024B CN201310683669.0A CN201310683669A CN103692024B CN 103692024 B CN103692024 B CN 103692024B CN 201310683669 A CN201310683669 A CN 201310683669A CN 103692024 B CN103692024 B CN 103692024B
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- mandrel
- sleeve pipe
- blade
- elastic component
- flash removed
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- 230000008602 contraction Effects 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The invention discloses a burr removing device in a through hole, which comprises a mandrel, a sleeve, an elastic part, a rotating shaft and a burr removing part, wherein the sleeve can be sleeved on the outer side of the mandrel in a sliding manner relative to the mandrel, and one end of the sleeve is provided with an inclined plane fracture structure; the burr removing component is arranged at one end of the mandrel close to the bevel fracture structure through a rotating shaft, and has a working state of protruding out of the sleeve and a contraction state of being accommodated in one end of the sleeve with the bevel fracture structure; the elastic part is connected between the mandrel and the burr removing part; the sleeve moves relative to the mandrel in a telescopic mode to control the burr removing component to be switched between a working state and a contraction state. Through the mode, the device can remove burrs in the through hole at any position, and operability is enhanced.
Description
Technical field
The present invention relates to field of machining, particularly relate to a kind of through hole Removing of inner burs device.
Background technology
When machining; a lot of place needs to drill through to form through through hole; and inwall at the two ends of through hole usually can jagged existence; the part that this burr meeting scratch is slided at through-hole wall; therefore must remove, the method for the removal burr of prior art carries out reconditioning for manually adopting gauze from through-hole wall.
There is following defect in the method for existing removal burr:
1) if vibrational power flow one through hole closed, operator must be hand-held gauze stretch into inwall from one end of through hole and operate, this just requires that the arm of operator is enough long.When the distance at the through hole two ends needing reconditioning is greater than the arm length of operator, burr just cannot be removed.
2) operator is with feel and experience, and adopts gauze, easily occurs the situation that burr does not eliminate.
3) through hole is removed in the process of burr, owing to being adopt directive property mode (gauze force direction points in through hole), may occur that burr is oppositely stayed in through hole.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of through hole Removing of inner burs device, and this device can remove the burr in the through hole of any position, enhances operability.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of through hole Removing of inner burs device, this device comprises mandrel, sleeve pipe, elastic component, rotating shaft and flash removed parts, wherein: sleeve pipe can be set in the outside of mandrel by mandrel relatively slidably, wherein, shear fracture structure is set in one end of sleeve pipe; Flash removed parts are arranged on mandrel one end near shear fracture structure by rotating shaft, and flash removed parts have the duty that protrudes out sleeve pipe and are contained in sleeve pipe and are provided with contraction state in shear fracture structure one end; Elastic component is connected between mandrel and flash removed parts; The relative mandrel telescopic moving of sleeve pipe and control flash removed parts and switch between duty and contraction state.
Wherein, the two ends of rotating shaft are fixed on mandrel one end near shear fracture structure, flash removed parts and elastic component are located in rotating shaft, one end of elastic component is fixed on mandrel, the other end of elastic component is fixed on flash removed parts, and elastic component is used for providing to flash removed parts the restoring force switched from contraction state to duty.
Wherein, one end of mandrel comprises the first extension and second extension of parallel interval setting, and wherein, flash removed parts and elastic component are arranged between the first extension and the second extension, the first end of rotating shaft is fixed on the first extension, and the second end of rotating shaft is fixed on the second extension.
Wherein, flash removed parts are blade, blade is antiparallelogram shape, the length on the base that blade is the longest is greater than the external diameter of sleeve pipe, when making blade when the relative mandrel telescopic moving of sleeve pipe by sleeve pipe extruding, blade bottom surface and mandrel axis perpendicular, and the longest base of blade is positioned at outside sleeve pipe, when making blade extruded by sleeve pipe when the relative mandrel telescopic moving of sleeve pipe, blade rotates and in retraction sleeve pipe around the shaft.
Wherein, rotating shaft is through the center of blade, and the height of blade is not more than the internal diameter of sleeve pipe, and the length on the longest base is greater than the internal diameter of sleeve pipe, and the half of the length on the longest base is not more than the vertical length of top to low side of shear fracture structure.
Wherein, elastic component comprises symmetrically arranged first elastic component and the second elastic component, and wherein, the first elastic component is between the first extension and blade, and the second elastic component is between the second extension and blade.
Wherein, the first elastic component and the second elastic component include the first elastic portion, the second elastic portion and are connected the connecting portion of the first elastic portion and the second elastic portion, and connecting portion is set to circular hole, wherein, first elastic portion is fixed on mandrel, and the second elastic portion is fixed on blade, and rotating shaft is through circular hole.
Wherein, the angle of inclination of shear fracture structure is equal with the angle of the side of the blade that sleeve pipe is expressed to.
Wherein, mandrel is also provided with handle away from one end of flash removed parts.
Wherein, sleeve pipe is provided with one along the chute of the length direction of mandrel, is fixed on mandrel by a locating part through chute, make sleeve pipe can mandrel telescopic moving relatively.
The invention has the beneficial effects as follows: the situation being different from prior art, through hole Removing of inner burs device of the present invention is by arranging shear fracture structure in one end of sleeve pipe, and relatively can be set in the outside of mandrel slidably by mandrel, flash removed parts are arranged on mandrel one end near shear fracture structure by rotating shaft, and elastic component is connected between mandrel and flash removed parts.Therefore, can enter before in through hole at device, the relative mandrel of sleeve pipe is to the direction telescopic moving of flash removed parts and extrude flash removed parts, makes flash removed parts rotate in sleeve pipe to the direction of shear fracture structure under the effect of the power of sleeve pipe, is in contraction state; After device enters through hole, the relative mandrel of sleeve pipe is to away from the direction telescopic moving of flash removed parts, flash removed parts are made to turn to outside sleeve pipe under the effect of the restoring force of elastic component, in running order, and then removal work is carried out to the burr in through hole, therefore, the relative mandrel telescopic moving of sleeve pipe can control flash removed parts and switches between duty and contraction state.Use device of the present invention can remove burr in the through hole of any position, enhance operability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the burr existed in embodiment of the present invention through hole;
Fig. 2 is the structural representation of a kind of state of a kind of through hole Removing of inner burs device of the embodiment of the present invention;
Fig. 3 is the partial schematic diagram in the through hole Removing of inner burs device F direction as shown in Figure 2 shown in Fig. 2;
Fig. 4 is the structural representation of the another kind of state of a kind of through hole Removing of inner burs device of the embodiment of the present invention;
Fig. 5 to Fig. 7 is the structural representation of the course of work of through hole Removing of inner burs device of the present invention.
Description of reference numerals:
100-through hole; 20-through hole Removing of inner burs device; 21-mandrel; 22-sleeve pipe; 23-elastic component; 24-rotating shaft; 25-flash removed parts; 26-handle; 221-shear fracture structure; 2511-base; 2512-side; 200-groove; 251-blade; 222-chute; 223-locating part; 211-the first extension; 212-the second extension; 231-the first elastic component; 232-the second elastic component; 2311-the first elastic portion; 2312-the second elastic portion; 2313-connecting portion.
Detailed description of the invention
Refer to Fig. 1, in mechanical processing process, usually need holes drilled through, such as, hydraulic cylinder adds man-hour, needs the oil port on cylinder body to drill through to form through hole 100, but can produce burr at the inner arm of through hole 100 near the position (as shown in Figure 1) of openings.The present invention will provide a kind of through hole Removing of inner burs device.
Refer to Fig. 2, Fig. 3 and Fig. 4, Fig. 2 is the structural representation of a kind of state of a kind of through hole Removing of inner burs device of the embodiment of the present invention, Fig. 3 is the partial schematic diagram in the through hole Removing of inner burs device F direction as shown in Figure 2 shown in Fig. 2, and Fig. 4 is the structural representation of the another kind of state of a kind of through hole Removing of inner burs device of the embodiment of the present invention.First as shown in Figure 2, through hole Removing of inner burs device 20 of the present invention comprises mandrel 21, sleeve pipe 22, elastic component 23, rotating shaft 24 and flash removed parts 25.
Wherein, shear fracture structure 221 is set in one end of sleeve pipe 22.Sleeve pipe 22 is set in the outside of mandrel 21 slidably, specifically: be provided with one on casing 22 along the chute 222 of the length direction of mandrel 21, be fixed on mandrel 21 through chute 222 by a locating part 223, make sleeve pipe 22 can mandrel 21 telescopic moving relatively.
Flash removed parts 25 are arranged on mandrel 21 one end near shear fracture structure 221 by rotating shaft 24, and flash removed parts 25 have the duty that protrudes out sleeve pipe 22 and are contained in sleeve pipe 22 and are provided with contraction state in shear fracture structure 221 one end.
Sleeve pipe 22 relatively mandrel 21 telescopic moving and control flash removed parts 25 and switch between duty and contraction state.Elastic component 23 is connected between mandrel 21 and flash removed parts 25, for providing the restoring force switched from contraction state to duty to flash removed parts 25.
In the present embodiment, can enter before in through hole at device, sleeve pipe 22 relatively mandrel 21 extrudes flash removed parts 25 to flash removed parts 25 direction telescopic moving, make flash removed parts 25 direction to shear fracture structure 221 under the effect of the power of sleeve pipe 22, A direction as shown in Figure 2 rotates, in retraction sleeve pipe 22, be in contraction state, as shown in Figure 4, after device enters through hole, the relative mandrel 21 of sleeve pipe 22 is to the direction telescopic moving away from flash removed parts 25, flash removed parts 25 are rotated to outside sleeve pipe 22 under the effect of the restoring force of elastic component 23, in running order, and then removal work is carried out to the burr in through hole, use device of the present invention can remove burr in the through hole of any position, enhance operability.
Refer to shown in Fig. 3, the two ends of rotating shaft 24 are fixed on mandrel 21 one end near shear fracture structure 221, flash removed parts 25 and elastic component 23 are located in rotating shaft 24, and one end of elastic component 23 is fixed on mandrel 21, and the other end of elastic component 23 is fixed on flash removed parts 25.
Particularly, one end of the mandrel 21 of the present embodiment comprises the first extension 211 and the second extension 212 of parallel interval setting, and wherein, flash removed parts 25 and elastic component 23 are arranged between the first extension 211 and the second extension 212.The first end of rotating shaft 24 is fixed on the first extension 211, and the second end of rotating shaft 24 is fixed on the second extension 212, and specifically, arrange a groove 200 at the first extension 211 and the second extension 212 respectively, the two ends of rotating shaft 24 are respectively fixed in groove 200.
The flash removed parts 25 of the present embodiment are blade 251, and blade 251 is in antiparallelogram shape.The length W1 on the base 2511 that blade 251 is the longest is greater than the external diameter R1 of sleeve pipe 22, make when mandrel 21 makes blade 251 not extrude by sleeve pipe 22 along the direction telescopic moving away from blade 251 to sleeve pipe 22 relatively, blade 251 bottom surface and mandrel 21 axis perpendicular, and the longest base 2511 of blade 251 is positioned at outside sleeve pipe 22, as shown in Figure 2.When sleeve pipe 22 relatively mandrel 21 along blade 251 direction telescopic moving and blade 251 is extruded by sleeve pipe 22 time, blade 251 24 to rotate and in retraction sleeve pipe 22 around the shaft, as shown in Figure 4.In the present embodiment, the structure of the antiparallelogram of blade 251 makes to realize seamed edge abate in through hole while removal through hole inner burr, has saved the working time.
In the present embodiment, blade 251 is subject to sleeve pipe 22 when extruding, can around the shaft 24 rotate and in retraction sleeve pipe 22 concrete reason have the following two kinds:
A kind of is because the structure of blade 251 and position; Another kind is because the structure of elastic component 23 and position.
For structure and the position of blade 251, specifically, as shown in Figure 2 and Figure 4, the height H of blade 251 is not more than the internal diameter R2 of sleeve pipe 22, and the half of the length W1 on the longest base 2511 is not more than the vertical length W2 of top to low side of shear fracture structure 221, and rotating shaft 24 is through the center of blade 251, when blade 251 being rotated to the direction of shear fracture structure 221 being subject to the extruding of sleeve pipe 22, the stop on the top of shear fracture structure 221 can be prevented and can be retracted into completely in sleeve pipe 22.
Further, as mentioned before, the length W1 on the base 2511 that blade 251 is the longest is greater than the external diameter R1 of sleeve pipe 22, make on the one hand sleeve pipe 22 relatively mandrel 21 can be pressed into blade 251 to during the direction telescopic moving of blade 251, when making on the other hand the extruding of blade 251 by sleeve pipe 22, the longest base 2511 of blade 251 is in outside the both sides of sleeve pipe 22, and guarantee can remove burr.
Moreover the angle of the side 2512 of the blade 251 be expressed to when relative mandrel 21 telescopic moving of sleeve pipe 22 is equal with the angle of inclination of shear fracture structure 221.Make sleeve pipe 22 relatively mandrel 21 to blade 251 direction telescopic moving and be expressed to blade 251 time, sleeve pipe 22 is fitted completely with the contact surface of blade 251, adds the effect of extruding.
More than introduce structure and the position of blade 251, will structure and the position of elastic component 23 be further illustrated below.
Specifically, referring again to Fig. 3, elastic component 23 comprises symmetrically arranged first elastic component 231 and the second elastic component 232, wherein, first elastic component 231 is between the first extension 211 and blade 251, and the second elastic component 232 is between the second extension 212 and blade 251.First elastic component 231 and the second elastic component 232 include the first elastic portion 2311, second elastic portion 2312 and are connected the connecting portion 2313 of the first elastic portion 2311 and the second elastic portion 2312, and connecting portion 2313 is set to circular hole.Wherein, the first elastic portion 2311 is fixed on mandrel 21, and the second elastic portion 2312 is fixed on blade 251, and rotating shaft 24 is through circular hole 2313.The structure of elastic component 23 is as shown in Figure 3 known, when sleeve pipe 22 pressing blade 251, due to the extruding force A direction as shown in Figure 2 that blade 251 is subject to, therefore, second elastic portion 2312 is subject to same power and rotates, thus, blade 251 can around the shaft 24 rotate and in retraction sleeve pipe 22.
In the present embodiment, elastic component 23 is torsion spring.Should be understood that Fig. 3 only provides a kind of concrete enforcement structure of torsion spring, the torsion spring of other structures existing should be applicable to the present invention.
In the present embodiment, mandrel 21 is also provided with handle 26 away from one end of flash removed parts 25.For mobile and rotation mandrel 21, and then drive flash removed parts 25 to move and rotate, carry out flash removed work.
To the operation principle of through hole Removing of inner burs device 20 of the present invention be introduced below:
Refer to shown in Fig. 5 to Fig. 7, Fig. 5 to Fig. 7 is the structural representation of the course of work of through hole Removing of inner burs device 20 of the present invention.Before through hole Removing of inner burs device 20 enters through hole 100, sleeve pipe 22 relatively mandrel 21 arranges the direction telescopic moving of blade 251 and pressing blade 251, direction to shear fracture structure 221 after blade 251 is subject to the active force of sleeve pipe 22 rotates, sleeve pipe 22 continues mobile, blade 251 finally occurs 90 and rotates, and in retraction sleeve pipe 22, be in contraction state.As shown in Figure 5.And then move down handle 26, through hole Removing of inner burs device 20 is inserted in through hole 100.
To insert in through hole 100 and after being in the below of the position of the generation burr shown in Fig. 1 at through hole Removing of inner burs device 20, the relative mandrel 21 of sleeve pipe 22 is along the direction telescopic moving away from blade 251, blade 251 under the restoring force of elastic component 23 from shear fracture structure 221 to sleeve pipe 22 inner rotary, sleeve pipe 22 continues mobile, blade 251 finally occurs 90 and rotates, and stretch out outside sleeve pipe 22, in running order.Now move up handle 26, makes the inwall of blade 251 contact through hole 100, as shown in Figure 6.And then swing handle 26, rotated by mandrel 21 and be with cutting blade 251 to rotate, carry out the work of removal burr, and make blade 251 and the seamed edge abate of the contact position of through hole 100, form chamfering.
Remove burr and after achieving the interior edge chamfering of through hole 100, move down handle 26, through hole Removing of inner burs device 20 is moved down, again by sleeve pipe 22 pressing blade 251, make, in its retraction sleeve pipe 22, to be in contraction state, as shown in Figure 7, then move up handle 26, and through hole Removing of inner burs device 20 is detached through hole 100.
In sum, the device 20 of through hole Removing of inner burs of the present invention can remove the burr of the through hole of any position, strengthens navigability.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. a through hole Removing of inner burs device, is characterized in that, described device comprises mandrel (21), sleeve pipe (22), elastic component (23), rotating shaft (24) and flash removed parts (25), wherein:
Described sleeve pipe (22) relatively described mandrel (21) can be set in the outside of described mandrel (21) slidably, wherein, arranges shear fracture structure (221) in one end of described sleeve pipe (22);
Described flash removed parts (25) are arranged on described mandrel (21) near one end of described shear fracture structure (221) by described rotating shaft (24), and described flash removed parts (25) have the duty that protrudes out described sleeve pipe (22) and are contained in described sleeve pipe (22) and are provided with contraction state in described shear fracture structure (221) one end;
Described elastic component (23) is connected between described mandrel (21) and described flash removed parts (25);
Relatively described mandrel (21) telescopic moving of described sleeve pipe (22) and control described flash removed parts (25) and switch between described duty and contraction state,
Described flash removed parts (25) are blade (251), described blade (251) is in antiparallelogram shape, the length (W1) on the base (2511) that described blade (251) is the longest is greater than the external diameter (R1) of described sleeve pipe (22), when making described blade (251) when relatively described mandrel (21) telescopic moving of described sleeve pipe (22) not by described sleeve pipe (22) extruding, described blade (251) bottom surface and mandrel (21) axis perpendicular, and the longest base (2511) of described blade (251) is positioned at described sleeve pipe (22) outward, when described blade (251) being extruded when relatively described mandrel (21) telescopic moving of described sleeve pipe (22) by described sleeve pipe (22), described blade (251) to rotate and described in retraction in sleeve pipe (22) around described rotating shaft (24).
2. through hole Removing of inner burs device according to claim 1, it is characterized in that, the two ends of described rotating shaft (24) are fixed on described mandrel (21) one end near described shear fracture structure (221), described flash removed parts (25) and described elastic component (23) are located in described rotating shaft (24), one end of described elastic component (23) is fixed on described mandrel (21), the other end of described elastic component (23) is fixed on described flash removed parts (25), described elastic component (23) is for providing to described flash removed parts (25) restoring force switched to described duty from described contraction state.
3. through hole Removing of inner burs device according to claim 2, it is characterized in that, one end of described mandrel (21) comprises the first extension (211) and second extension (212) of parallel interval setting, wherein, described flash removed parts (25) and described elastic component (23) are arranged between described first extension (211) and described second extension (212), the first end of described rotating shaft (24) is fixed on described first extension (211), second end of described rotating shaft (24) is fixed on described second extension (212).
4. through hole Removing of inner burs device according to claim 1, it is characterized in that, described rotating shaft (24) is through the center of described blade (251), the internal diameter (R2) being not more than described sleeve pipe (22) of the height (H) of described blade (251), and the half of the length (W1) on the longest described base (2511) is not more than the vertical length (W2) of top to low side of described shear fracture structure (221).
5. through hole Removing of inner burs device according to claim 3, it is characterized in that, elastic component (23) comprises symmetrically arranged first elastic component (231) and the second elastic component (232), wherein, described first elastic component (231) is positioned between described first extension (211) and described blade (251), and described second elastic component (232) is positioned between described second extension (212) and described blade (251).
6. through hole Removing of inner burs device according to claim 5, be characterised in that, described first elastic component (231) and described second elastic component (232) include the first elastic portion (2311), second elastic portion (2312) and connect the connecting portion (2313) of described first elastic portion (2311) and described second elastic portion (2312), described connecting portion (2313) is set to circular hole, wherein, described first elastic portion (2311) is fixed on described mandrel (21), described second elastic portion (2312) is fixed on described blade (251), described rotating shaft (24) is through described circular hole.
7. through hole Removing of inner burs device according to claim 1, it is characterized in that, the angle of inclination of described shear fracture structure (221) is equal with the angle of the side (2512) of the described blade (251) that described sleeve pipe (22) is expressed to.
8. through hole Removing of inner burs device according to claim 1, is characterized in that, described mandrel (21) is also provided with handle (26) away from one end of described flash removed parts (25).
9. through hole Removing of inner burs device according to claim 1, it is characterized in that, described sleeve pipe (22) is provided with one along the chute (222) of the length direction of described mandrel (21), be fixed on described mandrel (21) through described chute (222) by a locating part (223), make described sleeve pipe (22) can the telescopic moving of relatively described mandrel (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310683669.0A CN103692024B (en) | 2013-12-12 | 2013-12-12 | Burr removing device in through hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310683669.0A CN103692024B (en) | 2013-12-12 | 2013-12-12 | Burr removing device in through hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103692024A CN103692024A (en) | 2014-04-02 |
| CN103692024B true CN103692024B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310683669.0A Active CN103692024B (en) | 2013-12-12 | 2013-12-12 | Burr removing device in through hole |
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| CN (1) | CN103692024B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103976775B (en) * | 2014-05-21 | 2016-09-28 | 昆山科森科技股份有限公司 | Manufacturing process for scalpel |
| CN103978257B (en) * | 2014-05-21 | 2017-02-15 | 昆山科森科技股份有限公司 | Minimally invasive scalpel manufacturing method |
| CN106799523B (en) * | 2016-12-25 | 2018-07-10 | 重庆市永川区泰兴机械厂 | A kind of deburred method at chamfering |
| CN111421190B (en) * | 2020-04-26 | 2024-08-27 | 北京新风航天装备有限公司 | Tool and method for removing burrs of space intersecting hole structural part |
| CN111958053B (en) * | 2020-08-20 | 2022-11-18 | 青岛张氏机械有限公司 | Deburring device for machining |
| CN112404598A (en) * | 2020-11-09 | 2021-02-26 | 河南纵横精工机械科技有限公司 | Deburring device for through hole of one-side closed or semi-closed space |
| CN113305352A (en) * | 2021-06-24 | 2021-08-27 | 成都爱乐达航空制造股份有限公司 | Method for reversely drawing and processing blind hole in horizontal processing center |
| 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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| EP0818264A1 (en) * | 1996-07-11 | 1998-01-14 | SOCIETE NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION -Snecma | Tool and method for deburring |
| CN202169420U (en) * | 2011-06-21 | 2012-03-21 | 海门市沪海有色铸造有限公司 | Chamfering device |
| CN103008791A (en) * | 2012-12-07 | 2013-04-03 | 上海锅炉厂有限公司 | Multilevel-positioning scraping plate of rotary cutter |
| CN202922040U (en) * | 2012-11-21 | 2013-05-08 | 铜陵市永生机电制造有限责任公司 | Tool for removing burrs at bottom of deep blind hole |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0818264A1 (en) * | 1996-07-11 | 1998-01-14 | SOCIETE NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION -Snecma | Tool and method for deburring |
| US5897273A (en) * | 1996-07-11 | 1999-04-27 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" | Deburring tool and process on a hole opposite the tool |
| CN202169420U (en) * | 2011-06-21 | 2012-03-21 | 海门市沪海有色铸造有限公司 | Chamfering device |
| CN202922040U (en) * | 2012-11-21 | 2013-05-08 | 铜陵市永生机电制造有限责任公司 | Tool for removing burrs at bottom of deep blind hole |
| CN103008791A (en) * | 2012-12-07 | 2013-04-03 | 上海锅炉厂有限公司 | Multilevel-positioning scraping plate of rotary cutter |
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| CN103692024A (en) | 2014-04-02 |
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