CN107900389A - Adjustable single is radially expanded from lock core shaft - Google Patents
Adjustable single is radially expanded from lock core shaft Download PDFInfo
- Publication number
- CN107900389A CN107900389A CN201711038625.7A CN201711038625A CN107900389A CN 107900389 A CN107900389 A CN 107900389A CN 201711038625 A CN201711038625 A CN 201711038625A CN 107900389 A CN107900389 A CN 107900389A
- Authority
- CN
- China
- Prior art keywords
- lock core
- radially expanded
- locating shaft
- adjustable single
- shaft
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a kind of adjustable single to be radially expanded from lock core shaft, including mandrel body, expand voussoir, swing arm, locating rod and locking bar, mandrel body includes being used for the locating shaft being inserted into part location hole, and it is located at the fixed block and regulating sleeve of locating shaft both sides respectively, fixed block is used to mandrel body being fixed on chuck, the notch of wedge shape is offered on locating shaft, the notch is equipped with the sliding slot parallel with notch end face, expand voussoir slider containment on sliding slot and relative to locating shaft slidably, expansion voussoir cooperatively forms cylindrical positioning column to be inserted into part location hole with locating shaft, swing arm is connected through regulating sleeve with expansion voussoir, rotating swing arm drives expansion voussoir to be slided along sliding slot to unlock or lock part；Locking bar and locating rod are arranged on locating shaft and respectively with the both sides of part and abut.Adjustable single proposed by the present invention is radially expanded from lock core shaft, and convenient clamping is shorter than the part of the location hole of diameter with axial length.
Description
Technical field
The present invention relates to core shaft structure technical field, more particularly to a kind of adjustable single to be radially expanded from lock core shaft.
Background technology
In NC milling, often there are some blanks, shaped piece, it is necessary to positioned with single hole, hole is relatively large in diameter,
And axial length is shorter than diameter, the end face in hole and axis are into non-perpendicular state, or curved-surface shape.
Clamping is processed existing process fixture scheme in four times, operating process very complicated, the size of processing easily deviates,
Overproof, manually sensation, every adjustment are clamped to ensure substantially, are unsatisfactory for the development of batch production form.In addition, aperture is big,
Axis is short, and when this pores is used to position, installing and dismounting part is extremely difficult if coordinating closely, is loaded and unloaded if fit clearance is slightly larger
Facilitate, but end face chucking power easily causes offset between axis of workpiece and positioning core axle axis or do not conform in angle, processing result
Lattice.Furthermore the square cavity structure of off-axis is contained in the processing shape face of part, and processing must cut positioning core axle, so examining
After considering various features such as " aperture are big, and axis is short ", circular cone expanding arbor mode should not be used.
The content of the invention
It is a primary object of the present invention to provide a kind of adjustable single to be radially expanded from lock core shaft, it is intended to facilitate clamping to have
Axial length is shorter than the part of the location hole of diameter.
To achieve the above object, the present invention provides a kind of adjustable single and is radially expanded from lock core shaft, including mandrel body, swollen
Swollen voussoir, swing arm, locating rod and locking bar, wherein,
The mandrel body includes the locating shaft for being inserted into part location hole and is located at the fixation of locating shaft both sides respectively
Block and regulating sleeve, fixed block are used to mandrel body being fixed on chuck, and the notch of wedge shape is offered on the locating shaft, should
Notch is equipped with the sliding slot parallel with notch end face, expands the slider containment of voussoir and can be slided on sliding slot and relative to locating shaft
Dynamic, expansion voussoir cooperatively forms cylindrical positioning column to be inserted into part location hole with locating shaft, and swing arm passes through regulating sleeve
It is connected with expansion voussoir, rotates swing arm and drive expansion voussoir to be slided along sliding slot to unlock or lock part；
The locking bar and locating rod are arranged on locating shaft and respectively with the both sides of part and abut.
Preferably, angle is 8 ° ~ 12 ° between the axis of the sliding slot and locating shaft.
Preferably, the expansion voussoir is equipped with T-slot, and the front end of the swing arm is T-shaped fixed block, and T-shaped fixed block holds
It is contained in T-slot and is connected expansion voussoir with locking bar.
Preferably, the swing arm is connected through a screw thread with regulating sleeve.
Preferably, the locating shaft is equipped with multiple anticreep annular grooves to realize anticreep auto-lock function to part.
Preferably, the two side of the anticreep annular groove is respectively the axis of guiding surface and anticreep face, anticreep face and locating shaft
Line is vertically arranged.
Preferably, the region that the both sides of the locking bar are abutted with part is circular conical surface.
Preferably, the locking bar includes adjusting rod and the adjusting nut being threadedly coupled with the adjusting rod, the adjusting rod
Head tail end be circular conical surface, adjusting nut is circular conical surface close to adjusting rod side.
Preferably, it is additionally provided with limited block between the locating shaft and fixed block.
Preferably, the sliding slot is T-shaped sliding slot.
Adjustable single proposed by the present invention is radially expanded from lock core shaft, and clamped one time processing can complete former four fixtures processing
Task, stable accuracy, efficiency is higher.This adjustable single, which is radially expanded from its installation way of lock core shaft, can greatly improve production effect
Rate and processing quality, reduce labor intensity.In addition, this adjustable single is radially expanded from lock core shaft also with simple in structure, easy
The advantages of realization and working stability.
Brief description of the drawings
Fig. 1 is the main structure diagram that this adjustable single is radially expanded the part for being used for processing from lock core shaft；
Fig. 2 is the left view structural representation that this adjustable single is radially expanded the part for being used for processing from lock core shaft；
Fig. 3 is the overlooking the structure diagram that this adjustable single is radially expanded the part for being used for processing from lock core shaft；
Fig. 4 is radially expanded the structure diagram from lock core shaft's SMIC shaft body for this adjustable single；
Fig. 5 is the schematic cross-sectional view in the A-A directions shown in Fig. 4；
Fig. 6 is the schematic cross-sectional view in the B-B directions shown in Fig. 4；
Fig. 7 is that this adjustable single is radially expanded from lock core shaft's SMIC shaft body and structure diagram during locating rod cooperation；
Fig. 8 is the structure diagram that this adjustable single is radially expanded the locking bar from lock core shaft；
Fig. 9 is that this adjustable single is radially expanded the main structure diagram that voussoir is expanded from lock core shaft；
Figure 10 is that this adjustable single is radially expanded the overlooking the structure diagram that voussoir is expanded from lock core shaft；
Figure 11 is the structure diagram that this adjustable single is radially expanded the swing arm from lock core shaft；
Figure 12 be this adjustable single be radially expanded from lock core shaft and part be used cooperatively when main structure diagram；
Figure 13 be this adjustable single be radially expanded from lock core shaft and part be used cooperatively when overlooking the structure diagram；
Figure 14 be this adjustable single be radially expanded from lock core shaft and part be used cooperatively when left view structural representation.
In figure, 10- parts, 20- mandrel bodies, 201- locating shafts, 2011- sliding slots, 2012- anticreep annular grooves, 202- adjustings
Sleeve, 203- fixed blocks, 204- limited blocks, 30- expansion voussoirs, 301- sliding blocks, 40- swing arms, 50- locating rods, 60- locking bars,
601- adjusting rods, 602- adjusting nuts.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown, is for only for ease of the description present invention and simplifies description, is not instruction or implies signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the invention
System.
With reference to Fig. 4 to Figure 14, in this preferred embodiment, a kind of adjustable single is radially expanded from lock core shaft, including mandrel sheet
Body 20, expansion voussoir 30, swing arm 40, locating rod 50 and locking bar 60, wherein,
Mandrel body 20 includes the locating shaft 201 for being inserted into 10 location hole of part and is located at 201 both sides of locating shaft respectively
Fixed block 203 and regulating sleeve 202（In the present embodiment, regulating sleeve is located on locating shaft 201 to be wholely set with it, is passed through
Threaded hole is opened on locating shaft 201 and forms sleeve）, fixed block 203 by mandrel body 20 for being fixed on chuck, locating shaft 201
On offer the notch of wedge shape, which is equipped with the sliding slot 2011 parallel with notch end face, and the sliding block 301 for expanding voussoir 30 holds
Be contained on sliding slot 2011 and relative to locating shaft 201 slidably, expansion voussoir 30 and locating shaft 201, which cooperatively form, cylindrical to be determined
To be inserted into 10 location hole of part, swing arm 40 is connected position column through regulating sleeve 202 with expansion voussoir 30, is rotated swing arm 40 and is driven
Expansion voussoir 30 is slided along sliding slot 2011 to unlock or lock part 10；
Locking bar 60 and locating rod 50 are arranged on locating shaft 201 and the both sides with part 10 abut respectively.Locking bar 60 and positioning
Axis of the axis of bar 50 with locating shaft 201 is vertically arranged.Locating shaft 201 is equipped with two through holes, for installing locking bar 60
With locating rod 50.
This adjustable single is radially expanded the part that can be used for from lock core shaft, and it positions hole precision and is not more than 0.2 ㎜, hole
Footpath is larger, and axial length is equal to or less than diameter, hole end surface and axis into non-perpendicular state, or curved-surface shape.The present embodiment
It is specifically described by taking the part shown in Fig. 1 to Fig. 3 as an example.
Specifically, with reference to Fig. 4, angle is 8 ~ 12 ° between sliding slot 2011 and the axis of locating shaft 201.Sliding slot 2011 is pressed
This angle is set, and expansion voussoir 30 inherently realizes auto-lock function to part 10, prevents part 10 from being taken off from locating shaft 201
Fall.Propulsion angle between locating shaft 201 and expansion voussoir 30 is self-locking angle（8~12°）.
Specifically, with reference to Figure 10 and Figure 11, in the present embodiment, expansion voussoir 30 is equipped with T-slot, and the front end of swing arm 40 is
T-shaped fixed block 203, T-shaped fixed block 203, which is contained in T-slot, is connected expansion voussoir 30 with locking bar 60.Swing arm 40 and adjusting set
Cylinder 202 is connected through a screw thread.Sliding slot 2011 is T-shaped sliding slot.
Further, with reference to Fig. 4, locating shaft 201 is equipped with multiple anticreep annular grooves 2012 to realize anticreep certainly to part 10
Lock function.The two side of anticreep annular groove 2012 is respectively guiding surface and anticreep face, and anticreep face is vertical with the axis of locating shaft 201
Set.Guiding surface is obliquely installed relative to the axis of locating shaft 201.Anticreep annular groove is also equipped with expansion voussoir 30.
Further, with reference to Fig. 8, the region that the both sides of locking bar 60 are abutted with part 10 is circular conical surface.The circular cone of locking bar 60
Face can meet that 10 blank of part is less than 5.0 ㎜ excursions, make this adjustable single be radially expanded be applicable to from lock core shaft it is multiple
Part, reduces the supplied materials dimension precision requirement of part.
Specifically, with reference to Fig. 8, locking bar 60 includes adjusting rod 601 and the adjusting nut being threadedly coupled with the adjusting rod 601
602, the head tail end of adjusting rod 601 is circular conical surface, and adjusting nut 602 is circular conical surface close to 601 side of adjusting rod.
Further, with reference to Fig. 4, limited block 204 is additionally provided between locating shaft 201 and fixed block 203, so as to expanding wedge
The maximum displacement of block 30 is defined.
With reference to reference to Figure 12 to Figure 14, this adjustable single is radially expanded from lock core shaft when in use, is inserted into locating rod 50, is led to
Cross the high order end that swing arm 40 makes expansion voussoir 30 be located at sliding slot 2011（Left end in Fig. 4）.Then, part 10 to be processed is positioned
Hole is directed at locating shaft 201, with the longer downside of inner hole wall（Fig. 1 middle and lower parts dotted line）It is cylindrical and along its axis side to paste locating shaft 201
To push-in, part 10 is abutted locating rod 50, rotate swing arm 40 to promote expansion voussoir 30 to be slided to the right by Fig. 4, make its swelling
The location hole of part 10, due to locating shaft 201 and expansion, voussoir 30 is cylindrical is equipped with anticreep annular groove 2012, to 50 push-tight zero of locating rod
During part 10, double self-locking function is realized.Finally, installation locking bar 60 makes the blank end face of its circular conical surface compressing component 10, realizes
Triple self-lockings.
This adjustable single be radially expanded from lock core shaft can also be retrofit into two to, three-dimensional, four-way and multi-direction adjustable expansion
Mandrel, expansion voussoir 30 can along the circumferential direction different angle disposes according to actual conditions.
The adjustable single that the present embodiment proposes is radially expanded from lock core shaft, and clamped one time processing can complete former four fixtures and add
The task of work, stable accuracy, efficiency are higher.This adjustable single, which is radially expanded its installation way from lock core shaft, can greatly improve production
Efficiency and processing quality, reduce labor intensity.In addition, this adjustable single, which is radially expanded, also has simple in structure, appearance from lock core shaft
The advantages of easy realization and working stability.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure transformation that bright specification and accompanying drawing content are made, is directly or indirectly used in other related technical areas,
Similarly it is included within the scope of the present invention.
Claims (10)
1. a kind of adjustable single is radially expanded from lock core shaft, it is characterised in that including mandrel body, expansion voussoir, swing arm, positioning
Bar and locking bar, wherein,
The mandrel body includes the locating shaft for being inserted into part location hole and is located at the fixation of locating shaft both sides respectively
Block and regulating sleeve, fixed block are used to mandrel body being fixed on chuck, and the notch of wedge shape is offered on the locating shaft, should
Notch is equipped with the sliding slot parallel with notch end face, expands the slider containment of voussoir and can be slided on sliding slot and relative to locating shaft
Dynamic, expansion voussoir cooperatively forms cylindrical positioning column to be inserted into part location hole with locating shaft, and swing arm passes through regulating sleeve
It is connected with expansion voussoir, rotates swing arm and drive expansion voussoir to be slided along sliding slot to unlock or lock part；
The locking bar and locating rod are arranged on locating shaft and respectively with the both sides of part and abut.
2. adjustable single as claimed in claim 1 is radially expanded from lock core shaft, it is characterised in that the sliding slot and locating shaft
Angle is 8 ° ~ 12 ° between axis.
3. adjustable single as claimed in claim 1 is radially expanded from lock core shaft, it is characterised in that the expansion voussoir is equipped with
T-slot, the front end of the swing arm is T-shaped fixed block, and T-shaped fixed block, which is contained in T-slot, is connected expansion voussoir with locking bar.
4. adjustable single as claimed in claim 1 is radially expanded from lock core shaft, it is characterised in that the swing arm and regulating sleeve
It is connected through a screw thread.
5. adjustable single as claimed in claim 1 is radially expanded from lock core shaft, it is characterised in that the locating shaft is equipped with more
A anticreep annular groove is to realize part anticreep auto-lock function.
6. adjustable single as claimed in claim 5 is radially expanded from lock core shaft, it is characterised in that the both sides of the anticreep annular groove
Wall is respectively guiding surface and anticreep face, and the axis of anticreep face and locating shaft is vertically arranged.
7. adjustable single as claimed in claim 1 is radially expanded from lock core shaft, it is characterised in that the both sides of the locking bar and zero
The region that part abuts is circular conical surface.
8. adjustable single as claimed in claim 7 is radially expanded from lock core shaft, it is characterised in that the locking bar includes adjusting rod
And the adjusting nut being threadedly coupled with the adjusting rod, the head tail end of the adjusting rod is circular conical surface, and adjusting nut is close to tune
Pole side is circular conical surface.
9. adjustable single as claimed in claim 1 is radially expanded from lock core shaft, it is characterised in that the locating shaft and fixed block
Between be additionally provided with limited block.
10. adjustable single as in one of claimed in any of claims 1 to 9 is radially expanded from lock core shaft, it is characterised in that described
Sliding slot is T-shaped sliding slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711038625.7A CN107900389A (en) | 2017-10-30 | 2017-10-30 | Adjustable single is radially expanded from lock core shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711038625.7A CN107900389A (en) | 2017-10-30 | 2017-10-30 | Adjustable single is radially expanded from lock core shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107900389A true CN107900389A (en) | 2018-04-13 |
Family
ID=61843001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711038625.7A Pending CN107900389A (en) | 2017-10-30 | 2017-10-30 | Adjustable single is radially expanded from lock core shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107900389A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894581A (en) * | 2021-11-09 | 2022-01-07 | 贵州欣宇泰科精密科技有限公司 | Anti-seismic core expansion tool with locking function |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202606910U (en) * | 2012-04-24 | 2012-12-19 | 石家庄金刚内燃机零部件集团有限公司 | A tensioning tool for lathe finish of the excircle of a dry cylinder liner |
| CN202701433U (en) * | 2012-06-15 | 2013-01-30 | 陕西法士特齿轮有限责任公司 | Sliding post type pressing expanding core clamping mechanism |
| CN103286323A (en) * | 2013-05-02 | 2013-09-11 | 中冶陕压重工设备有限公司 | Method for processing long thin-walled sleeve parts by utilizing tyre-expansion type mandrel |
| CN104439362A (en) * | 2014-11-25 | 2015-03-25 | 常州市印宝镍网有限公司 | Expansion fixture suitable for blank surfaces |
| CN204338920U (en) * | 2014-11-27 | 2015-05-20 | 沈阳飞机工业（集团）有限公司 | The quick centralizer of a kind of three lobe wedge-type |
| CN204603354U (en) * | 2015-05-12 | 2015-09-02 | 攀枝花学院 | Thin-walled fixture for processing excircle of barrel-shaped parts |
| CN204657515U (en) * | 2015-03-24 | 2015-09-23 | 安徽精瑞新能源设备有限公司 | The interior swelling positioning tool of processing motor cabinet |
| CN105618803A (en) * | 2014-10-31 | 2016-06-01 | 陕西天财工程造价咨询有限公司 | Expanding clamp for turning thin-walled part |
| CN207431307U (en) * | 2017-10-30 | 2018-06-01 | 航宇救生装备有限公司 | Adjustable single is radially expanded from lock core shaft |
-
2017
- 2017-10-30 CN CN201711038625.7A patent/CN107900389A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202606910U (en) * | 2012-04-24 | 2012-12-19 | 石家庄金刚内燃机零部件集团有限公司 | A tensioning tool for lathe finish of the excircle of a dry cylinder liner |
| CN202701433U (en) * | 2012-06-15 | 2013-01-30 | 陕西法士特齿轮有限责任公司 | Sliding post type pressing expanding core clamping mechanism |
| CN103286323A (en) * | 2013-05-02 | 2013-09-11 | 中冶陕压重工设备有限公司 | Method for processing long thin-walled sleeve parts by utilizing tyre-expansion type mandrel |
| CN105618803A (en) * | 2014-10-31 | 2016-06-01 | 陕西天财工程造价咨询有限公司 | Expanding clamp for turning thin-walled part |
| CN104439362A (en) * | 2014-11-25 | 2015-03-25 | 常州市印宝镍网有限公司 | Expansion fixture suitable for blank surfaces |
| CN204338920U (en) * | 2014-11-27 | 2015-05-20 | 沈阳飞机工业（集团）有限公司 | The quick centralizer of a kind of three lobe wedge-type |
| CN204657515U (en) * | 2015-03-24 | 2015-09-23 | 安徽精瑞新能源设备有限公司 | The interior swelling positioning tool of processing motor cabinet |
| CN204603354U (en) * | 2015-05-12 | 2015-09-02 | 攀枝花学院 | Thin-walled fixture for processing excircle of barrel-shaped parts |
| CN207431307U (en) * | 2017-10-30 | 2018-06-01 | 航宇救生装备有限公司 | Adjustable single is radially expanded from lock core shaft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894581A (en) * | 2021-11-09 | 2022-01-07 | 贵州欣宇泰科精密科技有限公司 | Anti-seismic core expansion tool with locking function |
| CN113894581B (en) * | 2021-11-09 | 2023-10-20 | 贵州欣宇泰科精密科技有限公司 | Antidetonation core frock that rises with locking function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202070928U (en) | Support device for machining thin-wall sleeve | |
| CN203509093U (en) | Thin-walled workpiece machining clamp | |
| CN103252514B (en) | Expanding type clamp used on lathe and machining method thereof | |
| CN109513960B (en) | Expansion device for processing thin-wall cylindrical part | |
| CN102615362A (en) | Internal screw thread processing method | |
| CN205519743U (en) | Numerical control lathe adjustable hydraulic pressure fixture | |
| CN107363279A (en) | A kind of adjustable multifunction hydraulic fixture of numerically controlled lathe | |
| CN207431307U (en) | Adjustable single is radially expanded from lock core shaft | |
| CN107900389A (en) | Adjustable single is radially expanded from lock core shaft | |
| CN208276186U (en) | A kind of slender rod type part fixture for processing | |
| CN207170988U (en) | A kind of adjustable multifunction hydraulic fixture of numerically controlled lathe | |
| CN206662982U (en) | Adjustable clamp | |
| CN211708192U (en) | Equal-division milling machine for pipe barrel parts | |
| CN201684936U (en) | Tailored reverse turning tool | |
| CN208289006U (en) | Tailstock after a kind of unilateral of large span machine tool body | |
| CN201316924Y (en) | Lathe locating device | |
| CN106926132A (en) | Adjustable clamp | |
| CN108145187B (en) | For processing the axial cutter and processing technology for being evenly distributed with Internal Spherical Surface slot | |
| CN207386611U (en) | A kind of expanding arbor fixture | |
| CN206763923U (en) | Angle rose reamer | |
| CN106378465B (en) | A kind of thimble | |
| CN205341967U (en) | Oil pump casing body anchor clamps | |
| CN204182960U (en) | A kind of expanding arbor fixture | |
| CN211331361U (en) | Cutter for machining inner ring groove of deep hole | |
| CN210255297U (en) | Pull rod structure for numerical control lathe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |