CN103692024A - Device for removing burr in through hole - Google Patents

Device for removing burr in through hole Download PDF

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Publication number
CN103692024A
CN103692024A CN201310683669.0A CN201310683669A CN103692024A CN 103692024 A CN103692024 A CN 103692024A CN 201310683669 A CN201310683669 A CN 201310683669A CN 103692024 A CN103692024 A CN 103692024A
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China
Prior art keywords
sleeve pipe
mandrel
blade
elastic component
flash removed
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Granted
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CN201310683669.0A
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CN103692024B (en
Inventor
段孟驰
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HUBEI TELI HYDRAULIC CO Ltd
Zoomlion Heavy Industry Science and Technology Co Ltd
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HUBEI TELI HYDRAULIC CO Ltd
Zoomlion Heavy Industry Science and Technology Co Ltd
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Priority to CN201310683669.0A priority Critical patent/CN103692024B/en
Publication of CN103692024A publication Critical patent/CN103692024A/en
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Publication of CN103692024B publication Critical patent/CN103692024B/en
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Abstract

The invention discloses a device for removing a burr in a through hole. The device comprises a spindle, a casing, an elastic piece, a rotation shaft and a burr removal part, wherein the casing can be sleeved on the outside of the spindle in a manner of sliding relative to the spindle, one end of the casing is provided with an inclined plane fracture structure, the burr removal part is arranged at one end, close to the inclined plane fracture structure, of the spindle through the rotation shaft, the burr removal part is provided with a working state being protruded out of the casing and a contracting state being accommodated in one end, with the inclined plane fracture structure of the casing, the elastic piece is connected between the spindle and the burr removal part, and the casing moves relative to the spindle in a telescopic manner so as to control the burr removal part to be switched between the working state and the contracting state. By this way, the device is capable of removing the burr inside the through hole at any position, and the operability is enhanced.

Description

A kind of through hole Removing of inner burs device
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 places need to drill through to form the through hole of perforation; and conventionally can jagged existence at the inwall at the two ends of through hole; 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 is for manually adopting gauze to carry out reconditioning from through-hole wall.
There is following defect in the method for existing removal burr:
1) if one through hole is set in the structure of a sealing, operator must hand holds gauze and from one end of through hole, stretches into inwall and operate, and this just requires operator's arm enough long.When needing the distance at the through hole two ends of reconditioning to be greater than operator's arm length, burr just cannot be removed.
2) operator is with feel and experience, and adopts gauze, is prone to the situation that burr does not eliminate.
3) through hole is removed in the process of burr, because being adopts directive property mode (gauze force direction points in through hole), may be occurred that burr oppositely stays 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 be removed the burr in the through hole of any position, has strengthened operability.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of through hole Removing of inner burs device is provided, this device comprises mandrel, sleeve pipe, elastic component, rotating shaft and flash removed parts, wherein: sleeve pipe relatively mandrel is set in the outside of mandrel slidably, wherein, in one end of sleeve pipe, shear fracture structure is set; Flash removed parts are arranged on mandrel near one end of shear fracture structure by rotating shaft, and flash removed parts have to protrude out the duty of sleeve pipe and be contained in sleeve pipe and are provided with the 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 near one end of 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 for providing the restoring force switching from contraction state to duty to flash removed parts.
Wherein, one end of mandrel comprises the first extension and the second extension that parallel interval arranges, 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, while making blade not be subject to sleeve pipe extruding when the relative mandrel telescopic moving of sleeve pipe, blade bottom surface is vertical with mandrel axle center, and the longest base of blade is positioned at outside sleeve pipe, when the relative mandrel telescopic moving of sleeve pipe, make blade rotated around the shaft and in retraction sleeve pipe by sleeve pipe when extruding, blade.
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 half of the length on the longest base is not more than the top of shear fracture structure to the vertical length of low side.
Wherein, elastic component comprises symmetrically arranged the 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 includes the first elastic portion, the second elastic portion and is connected the first elastic portion and the connecting portion of the second elastic portion with the second elastic component, and connecting portion is set to circular hole, wherein, the first elastic portion is fixed on mandrel, and the second elastic portion is fixed on blade, and rotating shaft is through circular hole.
The angle of the side of the blade that wherein, the angle of inclination of shear fracture structure is expressed to sleeve pipe equates.
Wherein, mandrel is also provided with handle away from one end of flash removed parts.
Wherein, on sleeve pipe, be provided with the chute of a length direction along mandrel, by a locating part, pass chute and be fixed on mandrel, make sleeve pipe mandrel telescopic moving relatively.
The invention has the beneficial effects as follows: the situation that is different from prior art, through hole Removing of inner burs device of the present invention arranges shear fracture structure by the one end at sleeve pipe, and mandrel is set in the outside of mandrel slidably relatively, flash removed parts are arranged on mandrel near one end of shear fracture structure by rotating shaft, and elastic component is connected between mandrel and flash removed parts.Therefore, can be in device enters through hole before, the relative mandrel of sleeve pipe is to the direction telescopic moving of flash removed parts and push flash removed parts, make flash removed parts under the effect of the power of sleeve pipe to the direction rotation of shear fracture structure in sleeve pipe, in contraction state; At device, enter after through hole, the relative mandrel of sleeve pipe is to away from the telescopic moving of flash removed parts direction, flash removed parts are turned to outside sleeve pipe under the effect of the restoring force of elastic component, in running order, and then the burr in through hole is carried out to removal work, therefore, the relative mandrel telescopic moving of sleeve pipe can be controlled flash removed parts and switches between duty and contraction state.Use device of the present invention can remove the burr in the through hole of any position, strengthened operability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the burr of existence in embodiment of the present invention through hole;
Fig. 2 is a kind of structural representation 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 of the F direction as shown in Figure 2 of the through hole Removing of inner burs device shown in Fig. 2;
Fig. 4 is the structural representation of 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; The 211-the first extension; The 212-the second extension; The 231-the first elastic component; The 232-the second elastic component; The 2311-the first elastic portion; The 2312-the second elastic portion; 2313-connecting portion.
The specific embodiment
Refer to Fig. 1, in mechanical processing process, conventionally need to drill through hole, for example, hydraulic cylinder adds man-hour, and the oil port on cylinder body need to be drilled through and form through hole 100, but can generation burr near the position (as shown in Figure 1) of openings at the inner arm of through hole 100.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 a kind of structural representation 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 of the F direction as shown in Figure 2 of the through hole Removing of inner burs device shown in Fig. 2, and Fig. 4 is the structural representation of 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, in one end of sleeve pipe 22, shear fracture structure 221 is set.Sleeve pipe 22 is set in the outside of mandrel 21 slidably, particularly: the chute 222 that is provided with a length direction along mandrel 21 on sleeve pipe 22, by a locating part 223, pass chute 222 and be fixed on mandrel 21, making sleeve pipe 22 mandrel 21 telescopic movings relatively.
Flash removed parts 25 are arranged on mandrel 21 near one end of shear fracture structure 221 by rotating shaft 24, and flash removed parts 25 have to protrude out the duty of sleeve pipe 22 and be contained in sleeve pipe 22 and are provided with the contraction state in shear fracture structure 221 one end.
Relative mandrel 21 telescopic movings of sleeve pipe 22 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 the restoring force switching from contraction state to duty is provided to flash removed parts 25.
In the present embodiment, before can be in device enters through hole, the relative mandrel 21 of sleeve pipe 22 is to the 25 direction telescopic movings of flash removed parts and push flash removed parts 25, make flash removed parts 25 direction to shear fracture structure 221 under the effect of the power of sleeve pipe 22, A direction rotation as shown in Figure 2, in retraction sleeve pipe 22, in contraction state, as shown in Figure 4, at device, enter after through hole, the relative mandrel 21 of sleeve pipe 22 is to the direction telescopic moving away from flash removed parts 25, make flash removed parts 25 under the effect of the restoring force of elastic component 23, rotate to outside sleeve pipe 22, in running order, and then the burr in through hole is carried out to removal work, use device of the present invention can remove the burr in the through hole of any position, strengthened operability.
Refer to shown in Fig. 3, the two ends of rotating shaft 24 are fixed on mandrel 21 near one end of 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 that parallel interval arranges, 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, particularly, at the first extension 211 and the second extension 212, a groove 200 is set respectively, and 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 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 the relative mandrel of sleeve pipe 22 21 edges make blade 251 not be subject to sleeve pipe 22 extruding away from the direction telescopic moving of blade 251, blade 251 bottom surfaces are vertical with mandrel 21 axle center, and the longest base 2511 of blade 251 is positioned at outside sleeve pipe 22, as shown in Figure 2.When the relative mandrel 21 of sleeve pipe 22 makes blade 251 be subject to sleeve pipe 22 extruding along the direction telescopic moving of blade 251, blade 251 24 rotations around the shaft and in retraction sleeve pipe 22, as shown in Figure 4.In the present embodiment, the structure of the antiparallelogram of blade 251 make to realize when removing through hole inner burr to through hole in seamed edge abate, saved the working time.
In the present embodiment, when blade 251 is subject to sleeve pipe 22 extruding, 24 the rotations around the shaft and interior concrete reason of retraction sleeve pipe 22 has following two kinds:
A kind of is because structure and the position of blade 251; Another kind is because structure and the position of elastic component 23.
Structure and position for blade 251, particularly, 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 half of the length W1 on the longest base 2511 is not more than the top of shear fracture structure 221 to the vertical length W2 of low side, and rotating shaft 24 is through the center of blade 251, make blade 251 during to the direction rotation of shear fracture structure 221, can prevent the stopping and can be retracted into completely in sleeve pipe 22 of top of shear fracture structure 221 being subject to the extruding of 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, while making on the one hand the relative mandrel 21 of sleeve pipe 22 to the direction telescopic moving of blade 251, can be pressed into blade 251, while making on the other hand blade 251 not be subject to the extruding of sleeve pipe 22, the longest base 2511 of blade 251 is in outside the both sides of sleeve pipe 22, and assurance can be removed burr.
Moreover the angle of the side 2512 of the blade 251 being expressed to when sleeve pipe 22 relative mandrel 21 telescopic moving equates with the angle of inclination of shear fracture structure 221.When making at the relative mandrel 21 of sleeve pipe 22 to blade 251 direction telescopic movings and being expressed to blade 251, sleeve pipe 22 is fitted completely with the contact-making surface of blade 251, has increased the effect of extruding.
More than introduce structure and the position of blade 251, below will further illustrate structure and the position of elastic component 23.
Particularly, referring again to Fig. 3, elastic component 23 comprises symmetrically arranged the first elastic component 231 and the second elastic component 232, wherein, the 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.The connecting portion 2313 that the first elastic component 231 includes the first elastic portion 2311, the second elastic portion 2312 and is connected the first elastic portion 2311 and the second elastic portion 2312 with the second elastic component 232, 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, and the extruding force being subject to due to blade 251 A direction as shown in Figure 2, therefore, the second elastic portion 2312 is subject to same power and rotates, thus, blade 251 can be around the shaft 24 rotations 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 existing other structures 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 introduce the operation principle of through hole Removing of inner burs device 20 of the present invention 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.At through hole Removing of inner burs device 20, enter before through hole 100, the relative mandrel 21 of sleeve pipe 22 arranges direction telescopic moving and the pressing blade 251 of blade 251, blade 251 is subject to the direction rotation of the backward shear fracture structure 221 of active force of sleeve pipe 22, sleeve pipe 22 continues mobile, final generation 90 rotations of blade 251, and in retraction sleeve pipe 22, 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.
Through hole Removing of inner burs device 20 insert in through holes 100 and be in the generation burr shown in Fig. 1 position below after, 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, final generation 90 rotations of blade 251, and stretch out outside sleeve pipe 22, in running order.The handle 26 that now moves up, makes the inwall of blade 251 contact through holes 100, as shown in Figure 6.And then swing handle 26, by mandrel 21, rotate and be with cutting blade 251 to rotate, remove burr work, and make the seamed edge abate of the contact position of blade 251 and through hole 100, form chamfering.
Removed burr and realized after 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 blades 251, make in its retraction sleeve pipe 22, in contraction state, as shown in Figure 7, then the handle 26 that moves up, detaches through hole 100 by through hole Removing of inner burs device 20.
In sum, the device 20 of through hole Removing of inner burs of the present invention can be removed the burr of the through hole of any position, strengthens navigability.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; 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 (10)

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) can relatively described mandrel (21) be set in the outside of described mandrel (21) slidably, wherein, in one end of described sleeve pipe (22), shear fracture structure (221) is set;
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 to protrude out the duty of described sleeve pipe (22) and be contained in described sleeve pipe (22) and are provided with the 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.
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) near one end of 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 the restoring force switching to described duty from described contraction state to described flash removed parts (25).
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 the second extension (212) that parallel interval arranges, wherein, described flash removed parts (25) and described elastic component (23) are arranged between described the first extension (211) and described the second extension (212), the first end of described rotating shaft (24) is fixed on described the first extension (211), and the second end of described rotating shaft (24) is fixed on described the second extension (212).
4. through hole Removing of inner burs device according to claim 3, it is characterized in that, described flash removed parts (25) are blade (251), described blade (251) is 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), while making described blade (251) not be subject to described sleeve pipe (22) extruding when relatively described mandrel (21) telescopic moving of described sleeve pipe (22), described blade (251) bottom surface is vertical with mandrel (21) axle center, and the longest base (2511) of described blade (251) is positioned at outside described sleeve pipe (22), while making described blade (251) be subject to described sleeve pipe (22) extruding when relatively described mandrel (21) telescopic moving of described sleeve pipe (22), described blade (251) is around described rotating shaft (24) rotation and described in retraction in sleeve pipe (22).
5. through hole Removing of inner burs device according to claim 4, it is characterized in that, described rotating shaft (24) is through the center of described blade (251), the height (H) of described blade (251) is not more than the internal diameter (R2) of described sleeve pipe (22), and half of the length (W1) on the longest described base (2511) is not more than the top of described shear fracture structure (221) to the vertical length (W2) of low side.
6. through hole Removing of inner burs device according to claim 4, it is characterized in that, elastic component (23) comprises symmetrically arranged the first elastic component (231) and the second elastic component (232), wherein, described the first elastic component (231) is positioned between described the first extension (211) and described blade (251), and described the second elastic component (232) is positioned between described the second extension (212) and described blade (251).
7. through hole Removing of inner burs device according to claim 6, be characterised in that, described the first elastic component (231) and described the second elastic component (232) include the first elastic portion (2311), the second elastic portion (2312) and connect described the first elastic portion (2311) and the connecting portion (2313) of described the second elastic portion (2312), described connecting portion (2313) is set to circular hole, wherein, described the first elastic portion (2311) is fixed on described mandrel (21), described the second elastic portion (2312) is fixed on described blade (251), described rotating shaft (24) is through described circular hole.
8. through hole Removing of inner burs device according to claim 4, is characterized in that, the angle of the side (2512) of the described blade (251) that the angle of inclination of described shear fracture structure (221) is expressed to described sleeve pipe (22) equates.
9. 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).
10. through hole Removing of inner burs device according to claim 1, it is characterized in that, on described sleeve pipe (22), be provided with the chute (222) of a length direction along described mandrel (21), by a locating part (223), through described chute (222) and to be fixed on described mandrel (21) upper, make the described sleeve pipe (22) can relatively described mandrel (21) telescopic moving.
CN201310683669.0A 2013-12-12 2013-12-12 A kind of through hole Removing of inner burs device Active CN103692024B (en)

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Cited By (8)

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Publication number Priority date Publication date Assignee Title
CN103976775A (en) * 2014-05-21 2014-08-13 昆山科森科技股份有限公司 Process for manufacturing surgical knife
CN103978257A (en) * 2014-05-21 2014-08-13 昆山科森科技股份有限公司 Minimally invasive scalpel manufacturing method
CN106799523A (en) * 2016-12-25 2017-06-06 重庆市永川区泰兴机械厂 A kind of deburred method at chamfering
CN111421190A (en) * 2020-04-26 2020-07-17 北京航天新风机械设备有限责任公司 Burr removing tool and method for spatial phase through hole structural part
CN111958053A (en) * 2020-08-20 2020-11-20 陈明辉 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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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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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
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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

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103976775A (en) * 2014-05-21 2014-08-13 昆山科森科技股份有限公司 Process for manufacturing surgical knife
CN103978257A (en) * 2014-05-21 2014-08-13 昆山科森科技股份有限公司 Minimally invasive scalpel manufacturing method
CN103976775B (en) * 2014-05-21 2016-09-28 昆山科森科技股份有限公司 Manufacturing process for scalpel
CN106799523A (en) * 2016-12-25 2017-06-06 重庆市永川区泰兴机械厂 A kind of deburred method at chamfering
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
CN111421190A (en) * 2020-04-26 2020-07-17 北京航天新风机械设备有限责任公司 Burr removing tool and method for spatial phase through hole structural part
CN111958053A (en) * 2020-08-20 2020-11-20 陈明辉 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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