CN108421991A - Large scale ring shape binding neodymium iron boron magnetic body cuts repairing type fixing piece and fixing means - Google Patents

Large scale ring shape binding neodymium iron boron magnetic body cuts repairing type fixing piece and fixing means Download PDF

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Publication number
CN108421991A
CN108421991A CN201810152382.8A CN201810152382A CN108421991A CN 108421991 A CN108421991 A CN 108421991A CN 201810152382 A CN201810152382 A CN 201810152382A CN 108421991 A CN108421991 A CN 108421991A
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CN
China
Prior art keywords
chuck
large scale
magnetic body
ring shape
repairing type
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Granted
Application number
CN201810152382.8A
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Chinese (zh)
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CN108421991B (en
Inventor
郭志伟
许海
肖凯业
郑文
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CNNC Tianjin Technology Development Co Ltd
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CNNC Tianjin Technology Development Co Ltd
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Priority to CN201810152382.8A priority Critical patent/CN108421991B/en
Publication of CN108421991A publication Critical patent/CN108421991A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B31/00Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02Chucks

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Powder Metallurgy (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention discloses a kind of large scale ring shape binding neodymium iron boron magnetic body cutting repairing type fixing pieces and fixing means, the fixing piece to include chuck and realize its spreading and the clip of clamping for constraining chuck, wherein:The shaft core position of the chuck is equipped with cavity, including interconnecting piece and positioning region, the side wall of the positioning region is equipped at least one card slot for realizing positioning region harmomegathus, the positioning region includes making section and snap ring section, the outer wall for making section is equipped with taper surface, the front of the snap ring section is formed with to position the lock chamber of annular element, and the bottom end of the lock chamber is equipped with the stationary plane of protrusion;The hoop sleeve is in the outside of the chuck, along the taper surface relative motion to realize spreading and the clamping of chuck.The present invention has the advantages that with long service life.

Description

Large scale ring shape binding neodymium iron boron magnetic body cuts repairing type fixing piece and fixing means
Technical field
The present invention relates to chuck tooling technical fields, are repaiied more particularly to the cutting of large scale ring shape binding neodymium iron boron magnetic body Type fixing piece and fixing means.
Background technology
NdFeB Bonded Magnets are to be bonded together small NdFeB magnetic powder particles by certain binder to be formed, Magnetic powder diameter is smaller, generally 0.05mm~0.15mm, therefore the chip for cutting powdery during repairing type is easily accessible chuck and leads In rail, chuck card powder can be caused, the Set and Positioning precision of chuck is influenced, lead to dimension overproof after magnet repairing type, influence to industrialize The repairing type efficiency of magnet in production.It is therefore desirable to the large scale ring shape binding NdFeB magnets that are directed to for designing special to cut repairing type Chuck special ensures the efficiency of magnet repairing type operation.
Invention content
The purpose of the present invention is be directed to Agglutinate neodymium-iron-boron magnet cutting repairing type process existing in the prior art using tradition Chuck is easy the problem of card powder, and provides large scale ring shape binding neodymium iron boron magnetic body cutting repairing type fixing piece;
It is a further object of the invention that being asked for clamping efficiency is low, clamping precision is poor after traditional scroll chuck card powder Topic, and a kind of fixing means of large scale ring shape binding neodymium iron boron magnetic body cutting repairing type fixing piece is provided.
The technical solution adopted to achieve the purpose of the present invention is:
The present invention large scale ring shape binding neodymium iron boron magnetic body cut repairing type fixing piece, including chuck and for constrain card Disk realizes its spreading and the clip of clamping, wherein:
The shaft core position of the chuck is equipped with cavity, including interconnecting piece and positioning region, the side wall of the positioning region are equipped with Equipped at least one card slot for realizing positioning region harmomegathus, the positioning region includes making section and snap ring section, described to make section Outer wall be equipped with taper surface, the front of the snap ring section is formed with to position the lock chamber of annular element, the lock chamber Bottom end is equipped with the stationary plane of protrusion;
The hoop sleeve is in the outside of the chuck, along the taper surface relative motion to realize the spreading and folder of chuck Tightly.
In the above-mentioned technical solutions, the outer wall of the interconnecting piece is equipped with external screw thread.
In the above-mentioned technical solutions, the width of the card slot is 0.5mm~2mm.According to bonded permanent magnet intensity after molding And the surface finish requirements of magnet side are determined.
In the above-mentioned technical solutions, the width of the stationary plane is less than the radial thickness of the annular element.To ensure magnet Positioning accuracy.Width should select size as small as possible in the case where ensureing magnet accurate positioning.
In the above-mentioned technical solutions, the internal diameter of the lock chamber is identical as the outer diameter of the annular element.
In the above-mentioned technical solutions, it there are four the card slot is set, is uniformly distributed along the positioning region.So so that annular Part is more uniformly stressed, stability maintenance higher.
In the above-mentioned technical solutions, the clip includes a cirque structure, and the inner wall of the loop configuration, which is equipped with, to be driven Mantle face.
In the above-mentioned technical solutions, the inside of the stationary plane is equipped with right angle groove, and the outside of the stationary plane is equipped with V-arrangement Groove.
In the above-mentioned technical solutions, the V-arrangement face angle of the v-depression is acute angle, and angle is 0 °~0 °.
In the above-mentioned technical solutions, the material of the chuck is 65Mn steel, after 800 DEG C of quenchings, through 320 DEG C of average temperings, Ensure that chuck has high intensity and toughness.
In the above-mentioned technical solutions, the outer wall of the linkage section is equipped with annular groove, on the one hand improves the deformation of linkage section On the other hand ability when preventing from pulling back chuck, is in contact with the inner wall of clip.
The fixing means of the large scale ring shape binding neodymium iron boron magnetic body cutting repairing type fixing piece, includes the following steps:
Step 1, will the annular element of repairing type be placed in the lock chamber of chuck, the fixation in annular element end face tightening chuck Face;
Step 2, chuck is pulled back, clip moves clamping along the taper surface of the chuck and realizes the pre- clamp of annular element Tightly,
Step 3, after the completion of cutting operation, to be pushed forward chuck unclamp and annular element is discharged.
It is described in the above-mentioned technical solutions, the fixing means the specific steps are:
Step 1, clip is mounted on lathe;
Step 2, will repairing type annular element, be placed in the lock chamber of chuck, consolidating in annular element end face tightening chuck Determine face;Threaded portion is matched with the bolt on lathe, drives chuck to be moved forward and backward by bolt;
Step 3, machine tool chief axis pulls back chuck, and the presence of clip clamps chuck, realizes the clamping of annular element, passes through The amplitude that adjustment machine tool chief axis pulls back realizes the adjustment to workpiece clamp clamp force,
After step 4 Workpiece clamping, that is, start cutting operation;After the completion of operation, to being pushed forward, chuck unclamps machine tool chief axis, will Annular element is removed from chuck.
Compared with prior art, the beneficial effects of the invention are as follows:
1, the present invention realizes the clamping to repairing type magnet by the elasticity by chuck special itself, solves by tradition The problem of influencing workpiece positioning accuracy when chuck clamps after card powder, it ensure that the dimensional tolerance after magnet repairing type, be conducive to simultaneously The efficient progress of large scale ring shape binding magnet repairing type in large-scale industrial production.
2, lathe can be coordinated to use, realizes the automation of processing operation.
3, it prevents clast caused by cutting from gathering on the stationary plane of chuck, ensures the precision of cutting operation.
4, reasonable in design, service life is long, easy to utilize.
Description of the drawings
Fig. 1 show the sectional view of the present invention.
Fig. 2 show the front view of the present invention.
Fig. 3 show the structural schematic diagram of the embodiment of the present invention 1.
Fig. 4 is the structural schematic diagram of the embodiment of the present invention 2.
Fig. 5 is the structural schematic diagram of the embodiment of the present invention 3.
Fig. 6 is the structural schematic diagram of 3 annular groove of the embodiment of the present invention.
Wherein:1- chucks, a- interconnecting pieces, the positioning regions b-, 2- clips, 3- card slots, 4- make section, 41- taper surfaces, 42- rings Shape slot, 5- snap ring sections, 51- lock chambers, 52- stationary planes, 53- right angle grooves, 54-V connected in stars.
Specific implementation mode
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that described herein Specific embodiment be only used to explain the present invention, be not intended to limit the present invention.
Embodiment 1
As shown in Figs. 1-2, a kind of large scale ring shape binding neodymium iron boron magnetic body of the invention cuts repairing type fixing piece, including Chuck 1 and the clip 2 that its spreading and clamping are realized for constraining chuck 1, wherein:
As Figure 2-3, the shaft core position of the chuck 1 is equipped with cavity 11, including interconnecting piece a and positioning region b, described fixed The side wall in position portion is equipped at least one card slot 3 for realizing positioning region harmomegathus, and the positioning region b includes making section 4 With snap ring section 5, the outer wall for making section 4 is equipped with taper surface 41, and the front of the snap ring section 5 is formed with to position annular The lock chamber 51 of part, the bottom end of the lock chamber 51 are equipped with the stationary plane 52 of protrusion;
The clip 2 is sleeved on the outside of the chuck 1, along the taper surface relative motion with realize the spreading of chuck with It clamps.
It is preferred that the outer wall of the interconnecting piece a is equipped with external screw thread.
It is preferred that the width of the card slot 3 is 0.5mm~2mm.According to bonded permanent magnet intensity after molding and right The surface finish requirements of magnet side determine.
It is preferred that the width of the stationary plane 52 is less than the radial thickness of the annular element.To ensure magnet Positioning accuracy.Width should select size as small as possible in the case where ensureing magnet accurate positioning.
It is preferred that the internal diameter of the lock chamber 51 is identical as the outer diameter of the annular element.
As shown in Fig. 2, there are four the card slot 3 sets, it is uniformly distributed along the positioning region b.So so that annular element by Power is more uniform, stability maintenance higher.
Working method:
After installing clip 2 on lathe, will repairing type bonded permanent magnet, i.e. annular element is placed on the lock chamber 51 of chuck 1 It is interior, the stationary plane 52 in annular element end face tightening chuck;Interconnecting piece a is matched with the bolt on lathe, is driven by bolt Chuck 1 is moved forward and backward, and with clip 2 relative motion occurs for chuck 1, realizes spreading and the clamping of chuck 1.
Machine tool chief axis pulls back chuck 1, and the presence of clip 2 clamps chuck 1, realizes the clamping of annular element, passes through tune The amplitude that whole machine tool chief axis pulls back can realize the adjustment to workpiece clamp clamp force.
After Workpiece clamping, that is, start cutting operation;After the completion of operation, to being pushed forward, chuck 1 unclamps machine tool chief axis, will be annular Part is removed from chuck.
The chuck special uses traditional scroll chuck since chip blocks during avoiding Agglutinate neodymium-iron-boron magnet repairing type Track, the problem of influencing chuck positioning accuracy and Workpiece Machining Accuracy, more suitable for large-scale industrial production process.
Embodiment 2
In order to increase the contact area of clip 2 and chuck 1, reduce contact stress, the present embodiment is on the basis of embodiment 1 On be improved, as shown in figure 4, the clip 2 includes a cirque structure, the inner wall of the loop configuration is equipped with driving and bores Face 21.
Embodiment 3
The present embodiment is improved on the basis of embodiment 1 or 2, as shown in figure 5, the inside of the stationary plane 54 is equipped with The outside of right angle groove 53, the stationary plane 54 is equipped with v-depression 54.
The setting of right angle groove 53 and v-depression 54 can effectively reduce the width of positioning surface, and the setting of v-depression 54 can Mode clast caused by cutting remains on positioning surface 52, and clast can be under the effect of gravity along the inclined-plane of v-depression 54 It glides.
It is preferred that the V-arrangement face angle of the v-depression 54 is acute angle, angle is 30 °~60 °.
It is preferred that the material of the chuck 1 is 65Mn steel, after 800 DEG C of quenchings, through 320 DEG C of average temperings, ensure Chuck has high intensity and toughness.
It is preferred that as shown in fig. 6, the outer wall of the linkage section is equipped with annular groove 42, on the one hand raising connects On the other hand the deformability of section when preventing from pulling back chuck 1, is in contact with the inner wall of clip 2.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications Also it should be regarded as protection scope of the present invention.

Claims (13)

1. large scale ring shape binding neodymium iron boron magnetic body cuts repairing type fixing piece, which is characterized in that including chuck and for constraining Chuck realizes its spreading and the clip of clamping, wherein:
The shaft core position of the chuck is equipped with cavity, including interconnecting piece and positioning region, the side wall of the positioning region are equipped with At least one card slot for realizing positioning region harmomegathus, the positioning region includes making section and snap ring section, described to make the outer of section Wall is equipped with taper surface, and the front of the snap ring section is formed with to position the lock chamber of annular element, the bottom end of the lock chamber Stationary plane equipped with protrusion;
The hoop sleeve is in the outside of the chuck, along the taper surface relative motion to realize spreading and the clamping of chuck.
2. large scale ring shape binding neodymium iron boron magnetic body as described in claim 1 cuts repairing type fixing piece, which is characterized in that institute The outer wall for stating interconnecting piece is equipped with external screw thread.
3. large scale ring shape binding neodymium iron boron magnetic body as described in claim 1 cuts repairing type fixing piece, which is characterized in that institute The width for stating card slot is 0.5mm~2mm.
4. large scale ring shape binding neodymium iron boron magnetic body as described in claim 1 cuts repairing type fixing piece, which is characterized in that institute The width for stating stationary plane is less than the radial thickness of the annular element.
5. large scale ring shape binding neodymium iron boron magnetic body as described in claim 1 cuts repairing type fixing piece, which is characterized in that institute The internal diameter for stating lock chamber is identical as the outer diameter of the annular element.
6. large scale ring shape binding neodymium iron boron magnetic body as described in claim 1 cuts repairing type fixing piece, which is characterized in that institute It states there are four card slot sets, is uniformly distributed along the positioning region.
7. large scale ring shape binding neodymium iron boron magnetic body as described in claim 1 cuts repairing type fixing piece, which is characterized in that institute It includes a cirque structure to state clip, and the inner wall of the loop configuration is equipped with the driving conical surface.
8. large scale ring shape binding neodymium iron boron magnetic body as described in claim 1 cuts repairing type fixing piece, which is characterized in that institute The inside for stating stationary plane is equipped with right angle groove, and the outside of the stationary plane is equipped with v-depression.
9. large scale ring shape binding neodymium iron boron magnetic body as described in claim 1 cuts repairing type fixing piece, which is characterized in that institute The material for stating chuck is 65Mn steel.
10. large scale ring shape binding neodymium iron boron magnetic body as described in claim 1 cuts repairing type fixing piece, which is characterized in that The outer wall of the linkage section is equipped with annular groove.
11. large scale ring shape binding neodymium iron boron magnetic body as described in claim 1 cuts repairing type fixing piece, which is characterized in that The width of the card slot is 0.5mm~2mm.
12. the fixing means of large scale ring shape binding neodymium iron boron magnetic body cutting repairing type fixing piece as described in claim 1, It is characterized in that, includes the following steps:
Step 1, will the annular element of repairing type be placed in the lock chamber of chuck, the stationary plane in annular element end face tightening chuck;
Step 2, chuck is pulled back, clip moves clamping along the taper surface of the chuck and realizes the predetermined clamping of annular element,
Step 3, after the completion of cutting operation, to be pushed forward chuck unclamp and annular element is discharged.
13. fixing means as claimed in claim 12, which is characterized in that the clip, chuck are mounted on lathe, profit With lathe driving chuck movement.
CN201810152382.8A 2018-02-14 2018-02-14 Fixing piece for cutting and repairing large-size annular bonding NdFeB magnet and fixing method Active CN108421991B (en)

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Application Number Priority Date Filing Date Title
CN201810152382.8A CN108421991B (en) 2018-02-14 2018-02-14 Fixing piece for cutting and repairing large-size annular bonding NdFeB magnet and fixing method

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Application Number Priority Date Filing Date Title
CN201810152382.8A CN108421991B (en) 2018-02-14 2018-02-14 Fixing piece for cutting and repairing large-size annular bonding NdFeB magnet and fixing method

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CN108421991B CN108421991B (en) 2024-02-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115041977A (en) * 2022-06-22 2022-09-13 四川航天长征装备制造有限公司 Clamp for clamping rotary thin-wall parts

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DE398999C (en) * 1922-12-14 1924-07-31 Fritz Richard Deuring Clamping body for turning jaws
US4387906A (en) * 1979-10-19 1983-06-14 Eminentverktyg A.B. Tool or workpiece chucking device
CN200991774Y (en) * 2006-12-18 2007-12-19 广州市大族高精电机有限公司 Clip-head structure main axle
CN201036817Y (en) * 2007-06-05 2008-03-19 张�林 Drill clamping head
CN201055919Y (en) * 2007-07-12 2008-05-07 上海宝钢工程技术有限公司 Bore processing clamper
CN201168889Y (en) * 2008-03-12 2008-12-24 许晓华 Lathe mandrel having collet
CN101698244A (en) * 2009-11-04 2010-04-28 洛阳轴研科技股份有限公司 Improving method of spring chuck for processing bearing sleeves
CN202336594U (en) * 2011-12-09 2012-07-18 国营红阳机械厂 Drill chuck convenient to loosen and tighten
CN203371442U (en) * 2013-05-27 2014-01-01 南京德朔实业有限公司 Clamping device for clamping fastener
CN103813876A (en) * 2011-09-15 2014-05-21 翰默有限责任公司 Clamping system and base, collet chuck and rotary tool therefor and method for mounting rotary tool in clamping system
CN204818130U (en) * 2015-08-08 2015-12-02 潘秀兰 Anchor clamps of turning terminal surface
CN105729195A (en) * 2014-12-09 2016-07-06 常州市龙鹏金属制品有限公司 Collet chuck handle with eccentric locknut balance structure
CN205763951U (en) * 2016-06-29 2016-12-07 郝强 Cylinder is boiled in a covered pot over a slow fire head and is fixed chuck
CN208303922U (en) * 2018-02-14 2019-01-01 中核(天津)科技发展有限公司 A kind of large scale ring shape binding neodymium iron boron magnetic body cutting repairing type fixing piece

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE398999C (en) * 1922-12-14 1924-07-31 Fritz Richard Deuring Clamping body for turning jaws
US4387906A (en) * 1979-10-19 1983-06-14 Eminentverktyg A.B. Tool or workpiece chucking device
CN200991774Y (en) * 2006-12-18 2007-12-19 广州市大族高精电机有限公司 Clip-head structure main axle
CN201036817Y (en) * 2007-06-05 2008-03-19 张�林 Drill clamping head
CN201055919Y (en) * 2007-07-12 2008-05-07 上海宝钢工程技术有限公司 Bore processing clamper
CN201168889Y (en) * 2008-03-12 2008-12-24 许晓华 Lathe mandrel having collet
CN101698244A (en) * 2009-11-04 2010-04-28 洛阳轴研科技股份有限公司 Improving method of spring chuck for processing bearing sleeves
CN103813876A (en) * 2011-09-15 2014-05-21 翰默有限责任公司 Clamping system and base, collet chuck and rotary tool therefor and method for mounting rotary tool in clamping system
CN202336594U (en) * 2011-12-09 2012-07-18 国营红阳机械厂 Drill chuck convenient to loosen and tighten
CN203371442U (en) * 2013-05-27 2014-01-01 南京德朔实业有限公司 Clamping device for clamping fastener
CN105729195A (en) * 2014-12-09 2016-07-06 常州市龙鹏金属制品有限公司 Collet chuck handle with eccentric locknut balance structure
CN204818130U (en) * 2015-08-08 2015-12-02 潘秀兰 Anchor clamps of turning terminal surface
CN205763951U (en) * 2016-06-29 2016-12-07 郝强 Cylinder is boiled in a covered pot over a slow fire head and is fixed chuck
CN208303922U (en) * 2018-02-14 2019-01-01 中核(天津)科技发展有限公司 A kind of large scale ring shape binding neodymium iron boron magnetic body cutting repairing type fixing piece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115041977A (en) * 2022-06-22 2022-09-13 四川航天长征装备制造有限公司 Clamp for clamping rotary thin-wall parts

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