CN207431307U - Adjustable single is radially expanded from lock core shaft - Google Patents
Adjustable single is radially expanded from lock core shaft Download PDFInfo
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- CN207431307U CN207431307U CN201721413747.5U CN201721413747U CN207431307U CN 207431307 U CN207431307 U CN 207431307U CN 201721413747 U CN201721413747 U CN 201721413747U CN 207431307 U CN207431307 U CN 207431307U
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- lock core
- radially expanded
- locating shaft
- shaft
- core shaft
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Abstract
The utility model discloses a kind of adjustable singles to be radially expanded from lock core shaft, including mandrel body, expand voussoir, swing arm, locating rod and locking bar, mandrel body includes 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 compared with 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 slide to unlock or lock part along sliding slot；Locking bar and locating rod are arranged on locating shaft and respectively with the both sides of part and abut.The utility model proposes adjustable single be radially expanded from lock core shaft, facilitate clamping with axial length be shorter than diameter location hole part.
Description
Technical field
The utility model is related to core shaft structure technical fields 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 it is 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 clamp to ensure substantially, are unsatisfactory for the development of batch production form.In addition, aperture is big,
Axis is short, this pores is for when positioning, installing and dismounting part to be extremely difficult if cooperation is close, is loaded and unloaded if fit clearance is slightly larger
It facilitates, but end face chucking power easily causes between axis of workpiece and positioning core axle axis offset or in angle, and processing result does not conform to
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.
Utility model content
It is radially expanded the main purpose of the utility model is that providing a kind of adjustable single from lock core shaft, it is intended to facilitate clamping
It is shorter than the part of the location hole of diameter with axial length.
To achieve the above object, the utility model provides a kind of adjustable single and is radially expanded from lock core shaft, including mandrel sheet
Body, expansion voussoir, swing arm, locating rod and locking bar, wherein,
The mandrel body includes the locating shaft being inserted into part location hole and respectively positioned at locating shaft both sides
Fixed block and regulating sleeve, fixed block are used to mandrel body being fixed on chuck, and lacking for wedge shape is offered on the locating shaft
Mouthful, which is equipped with the sliding slot parallel with notch end face, expands the slider containment of voussoir on sliding slot and compared with locating shaft
Slidably, expand voussoir and cooperatively form cylindrical positioning column with locating shaft to be inserted into part location hole, swing arm, which passes through, to be adjusted
Sleeve is connected with expansion voussoir, rotates swing arm and expansion voussoir is driven to slide to unlock or lock part along sliding slot；
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 sliding slot and the axis of 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 for circular conical surface, adjusting nut is circular conical surface close to adjusting rod one 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.
The utility model proposes adjustable single be radially expanded from lock core shaft, clamped one time processing can complete former four fixtures
The task of processing, stable accuracy, efficiency are higher.This adjustable single, which is radially expanded its installation way from lock core shaft, can greatly improve life
Efficiency and processing quality are produced, reduces labor intensity.In addition, this adjustable single be radially expanded from lock core shaft also have it is simple in structure,
The advantages of easy to implement and the operation is stable.
Description of the drawings
Fig. 1 is that this adjustable single is radially expanded the main structure diagram for the part of processing from lock core shaft；
Fig. 2 is that this adjustable single is radially expanded the left view structural representation for the part of processing from lock core shaft；
Fig. 3 is that this adjustable single is radially expanded the overlooking the structure diagram for the part of processing from lock core shaft；
Fig. 4 is radially expanded the structure diagram from lock core shaft's core shaft body for this adjustable single；
Fig. 5 is the schematic cross-sectional view in A-A directions shown in Fig. 4；
Fig. 6 is the schematic cross-sectional view in B-B directions shown in Fig. 4；
Fig. 7 is that this adjustable single is radially expanded from lock core shaft's core 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, functional characteristics and advantage of the utility model aim.
Specific embodiment
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
It should be noted that in the description of the utility model, term " transverse direction ", " longitudinal direction ", " on ", " under ", " preceding ",
The orientation or position relationship of the instructions such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on
Orientation shown in the drawings or position relationship, are for only for ease of description the utility model and simplify and describe, and are not instruction or dark
Show that signified device or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the utility model.
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 being inserted into 10 location hole of part and is located at locating shaft 201 respectively
The fixed block 203 of both sides and regulating sleeve 202（In the present embodiment, regulating sleeve is located on locating shaft 201 to be wholely set with it,
Sleeve is formed by opening threaded hole on locating shaft 201）, fixed block 203 is used to mandrel body 20 being fixed on chuck, locating shaft
The notch of wedge shape is offered on 201, which is equipped with the sliding slot 2011 parallel with notch end face, expands the sliding block of voussoir 30
301 be contained on sliding slot 2011 and compared with locating shaft 201 slidably, expansion voussoir 30 and locating shaft 201 cooperatively form cylinder
To be inserted into 10 location hole of part, swing arm 40 is connected the positioning column of shape through regulating sleeve 202 with expansion voussoir 30, rotates swing arm
40 drive expansion voussoir 30 to slide to unlock or lock part 10 along sliding slot 2011；
Locking bar 60 and locating rod 50 are arranged on locating shaft 201 and the both sides with part 10 abut respectively.60 He of locking bar
Axis of the axis of locating rod 50 with locating shaft 201 is vertically arranged.It is set on locating shaft 201 there are two through hole, is locked for installing
Bar 60 and 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 no 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 Fig. 1 to part shown in 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 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
It sets.Guiding surface is obliquely installed compared with the axis of locating shaft 201.Anticreep annular groove is also equipped on 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 10 blank of part 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 one 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 left 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）Paste 201 outer circle of locating shaft and along its axis side
To push-in, part 10 is made to rotate swing arm 40 against locating rod 50 so that expansion voussoir 30 to be promoted to be slided to the right by Fig. 4, make its swelling
The location hole of part 10, since locating shaft 201 and 30 outer circle of expansion voussoir are 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 the operation is stable.
It these are only the preferred embodiment of the utility model, it does not limit the scope of the patent of the present invention, every
It is relevant to be directly or indirectly used in other for equivalent structure transformation made based on the specification and figures of the utility model
Technical field is equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of adjustable single is radially expanded from lock core shaft, which is characterized in that including mandrel body, expansion voussoir, swing arm, positioning
Bar and locking bar, wherein,
The mandrel body includes the locating shaft 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, and expanding the slider containment of voussoir can slide on sliding slot and compared with 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 expansion voussoir is driven to slide to unlock or lock part along sliding slot；
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 described in claim 1 is radially expanded from lock core shaft, which is characterized in that the sliding slot and locating shaft
Angle is 8 ° ~ 12 ° between axis.
3. adjustable single as described in claim 1 is radially expanded from lock core shaft, which is characterized 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 described in claim 1 is radially expanded from lock core shaft, which is characterized in that the swing arm and regulating sleeve
It is connected through a screw thread.
5. adjustable single as described in claim 1 is radially expanded from lock core shaft, which is characterized in that the locating shaft is equipped with more
A anticreep annular groove is with to part realization anticreep auto-lock function.
6. adjustable single as claimed in claim 5 is radially expanded from lock core shaft, which is characterized 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 described in claim 1 is radially expanded from lock core shaft, which is characterized 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, which is characterized 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 one side is circular conical surface.
9. adjustable single as described in claim 1 is radially expanded from lock core shaft, which is characterized 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, which is characterized in that described
Sliding slot is T-shaped sliding slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721413747.5U CN207431307U (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 |
|---|---|---|---|
| CN201721413747.5U CN207431307U (en) | 2017-10-30 | 2017-10-30 | Adjustable single is radially expanded from lock core shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207431307U true CN207431307U (en) | 2018-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721413747.5U Active CN207431307U (en) | 2017-10-30 | 2017-10-30 | Adjustable single is radially expanded from lock core shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207431307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107900389A (en) * | 2017-10-30 | 2018-04-13 | 航宇救生装备有限公司 | Adjustable single is radially expanded from lock core shaft |
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2017
- 2017-10-30 CN CN201721413747.5U patent/CN207431307U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107900389A (en) * | 2017-10-30 | 2018-04-13 | 航宇救生装备有限公司 | Adjustable single is radially expanded from lock core shaft |
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