CN208117564U - Elastic expansion-sleeve fixture - Google Patents
Elastic expansion-sleeve fixture Download PDFInfo
- Publication number
- CN208117564U CN208117564U CN201820496478.1U CN201820496478U CN208117564U CN 208117564 U CN208117564 U CN 208117564U CN 201820496478 U CN201820496478 U CN 201820496478U CN 208117564 U CN208117564 U CN 208117564U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- positioning seat
- hole
- screw
- conical surface
- 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.)
- Active
Links
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model belongs to packing mechanical equipment technical field, is related to a kind of elastic expansion-sleeve fixture, including connect disk, described to connect disk inner hole sliding setting pushing rod sleeve, and the first screw is fastenedly connected on pushing rod sleeve, and the first screw end is fixed with resilient sleeve；Positioning seat is fastenedly connected with disk is connect, the conical surface guide sleeve of integrally connected is formed on positioning seat, the root of conical surface guide sleeve is arranged bushing, the male cone (strobilus masculinus) of conical surface guide sleeve is matched with the inner conical surface of resilient sleeve, the surface outer end of the positioning seat is laid with several locating pieces, and the surface of positioning seat is additionally provided with end surface supporting.The centering of the utility model product inner hole, small end face positioning, large end face auxiliary positioning；Flexible deformation tensioner inner hole；Processing variety is more, and machining accuracy is high；It is suitble to produce in enormous quantities, it is easy to operate.
Description
Technical field
The utility model belongs to packing mechanical equipment technical field, is related to a kind of elastic expansion-sleeve fixture.
Background technique
Gear synthetic parts in gearbox are suppressed after expanding with heat and contract with cold by two gear of size, cause small tooth in this way
The inner hole of wheel and the end face deflection of gear wheel, cause the inner hole of pinion gear compared with the end face squareness of its gear wheel synthesized
Difference corrects inner hole and the gear wheel end face of pinion gear for this purpose, the end face of gear wheel must use grinding process after the synthesis of two gears
Verticality.Existing installation way is the left side positioning of pinion gear, the centering of inner hole resilient sleeve（Such as attached drawing 1）, oil cylinder passes through
Pull rod 1, pushing rod sleeve 2 and screw 4 drive resilient sleeve 5 to move right, and the conical surface of resilient sleeve 5 and the conical surface of positioning seat 3 disengage, and make
Resilient sleeve 5 is restored, and loading and unloading can be facilitated.When Workpiece clamping, first the small end face of test specimen is leaned against on end surface supporting 7；Again in oil cylinder
Under the action of, drive pull rod 1, pushing rod sleeve 2, third screw 12 and resilient sleeve 6 to move downward together, during moving downward, bullet
Property set 6 the conical surface slided to the left along the conical surface of positioning seat 3, since 6 both ends of resilient sleeve are respectively provided with 4 bar grooves, in the effect of the conical surface
Under, it is deformed with slotted resilient sleeve 6, tensioner inner hole, to reach end face positioning, the effect of inner hole radial centering
The shortcomings that existing fixture form, is：Since two gear of size is suppressed after expanding with heat and contract with cold, gear wheel
End face to the inner hole out of plumb of pinion gear, therefore, such fixture can only pinion gear inner hole centering, corresponding small end face is fixed
Position.Such fixture is when processing the end face of gear wheel, since grinding end face and positioning surface bias, in grinding force and torsional deformation
Under effect, grinding end face is poor to the bounce of inner hole, to affect the machining accuracy of part.
Summary of the invention
The utility model in view of the above-mentioned problems, providing a kind of elastic expansion-sleeve fixture, both protected by the installation way of the expansion sleeve fixture
The precision of processing is demonstrate,proved, and reduces cost, it is easy to operate, expand the application range of numeral-controlled internal grinder.
According to the technical solution of the utility model：A kind of elastic expansion-sleeve fixture, it is characterised in that：It is described to connect including connecing disk
Disk inner hole sliding setting pushing rod sleeve, the first screw are fastenedly connected on pushing rod sleeve, and the first screw end is fixed with resilient sleeve；Positioning
Seat with connect disk and be fastenedly connected, the conical surface guide sleeve of integrally connected is formed on positioning seat, the root of conical surface guide sleeve is arranged bushing, cone
The male cone (strobilus masculinus) of face guide sleeve is matched with the inner conical surface of resilient sleeve, and the surface outer end of the positioning seat is laid with several positioning
The surface of block, positioning seat is additionally provided with end surface supporting.
The quantity of the locating piece is 12 as a further improvement of the utility model, and locating piece is by screw and determines
Position seat is connected, and locating piece can slide on screw, and compressed spring is arranged on screw, and compressed spring one end is pressed in positioning seat
On, the compressed spring other end is held out against on locating piece inner hole step surface.
Be coaxially disposed on the locating piece as a further improvement of the utility model, the first hole, the second hole, third hole and
4th hole, compressed spring are placed in the first hole, and compressed spring one end is pressed on positioning seat, and the other end is pressed in the platform in the second hole
Terrace, the nail head of the second screw are pressed on the step surface in third hole.
The utility model has technical effect that：The centering of the utility model product inner hole, small end face positioning, large end face auxiliary
Positioning；Flexible deformation tensioner inner hole；Processing variety is more, and machining accuracy is high；It is suitble to produce in enormous quantities, it is easy to operate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing elastic expansion-sleeve fixture.
Fig. 2 is the structural schematic diagram of the utility model product.
Specific embodiment
Specific embodiment of the present utility model is further described with reference to the accompanying drawing.
Fig. 1, in 2, including pull rod 1, pushing rod sleeve 2, positioning seat 3, conical surface guide sleeve 3-1, bushing 4, the first screw 5, elasticity
Set 6, end surface supporting 7, locating piece 8, the first hole 8-1, the second hole 8-2, third hole 8-3, the 4th hole 8-4, the second screw 9, compression
Spring 10, connect disk 11, third screw 12, test specimen 13, small end face 13-1, large end face 13-2, grinding end face 13-3, etc..
As shown in Figure 1, 2, the utility model is a kind of elastic expansion-sleeve fixture, including connects disk 11, and 11 inner hole of disk that connects is slided
Dynamic setting pushing rod sleeve 2, the first screw 5 are fastenedly connected on pushing rod sleeve 2, and 5 end of the first screw is fixed with resilient sleeve 6；Positioning seat 3
It is fastenedly connected with disk 11 is connect, forms the conical surface guide sleeve 3-1 of integrally connected on positioning seat 3, the root of conical surface guide sleeve 3-1 is arranged
The male cone (strobilus masculinus) of bushing 4, conical surface guide sleeve 3-1 is matched with the inner conical surface of resilient sleeve 6, and the surface outer end of the positioning seat 3 is uniformly distributed
Equipped with several locating pieces 8, the surface of positioning seat 3 is additionally provided with end surface supporting 7.
The quantity of locating piece 8 is 12, and locating piece 8 is connected by screw 9 with positioning seat 3, and locating piece 8 can be in screw
It is slided on 9, compressed spring 10 is arranged on screw 9,10 one end of compressed spring is pressed on positioning seat 3,10 other end of compressed spring
It holds out against on 8 inner hole step surface of locating piece.
The first hole 8-1, the second hole 8-2, third hole 8-3 and the 4th hole 8-4, compressed spring 10 are coaxially disposed on locating piece 8
It being placed in the first hole 8-1,10 one end of compressed spring is pressed on positioning seat 3, and the other end is pressed in the step surface of the second hole 8-2,
The nail head of second screw 9 is pressed on the step surface of third hole 8-3.
The course of work of the utility model is as follows：As shown in Fig. 2, when processing test specimen, under the action of fixture oil cylinder, pull rod
1 drives resilient sleeve 6 to move right together by pushing rod sleeve 2, bushing 4 and the first screw 5, during moving right, resilient sleeve 6
The conical surface of the conical surface and positioning seat 3 disengages, and restores resilient sleeve 6, can facilitate loading and unloading.When Workpiece clamping, first by the small end of test specimen
Face leans against on end surface supporting 7, and large end face leans against on the auxiliary positioning face being made of 12 locating pieces 8；Again under the action of oil cylinder,
Pull rod 1 drives resilient sleeve 6 to move downward together by pushing rod sleeve 2, bushing 4 and screw 5, during moving downward, resilient sleeve 6
The conical surface slides to the left along the conical surface of positioning seat 3, since 6 both ends of resilient sleeve are respectively provided with 4 bar grooves, under the action of the conical surface, has
The resilient sleeve 6 of slot deforms, tensioner test specimen inner hole, to reach inner hole radial centering, small end face 13-1 is positioned, and large end face 13-2 is auxiliary
Help the effect of positioning.
Claims (3)
1. a kind of elastic expansion-sleeve fixture, it is characterised in that：Including connecing disk（11）, described to connect disk（11）Inner hole sliding setting pushing rod sleeve
（2）, the first screw（5）It is fastenedly connected in pushing rod sleeve（2）On, the first screw（5）End is fixed with resilient sleeve（6）；Positioning seat（3）
With connect disk（11）It is fastenedly connected, positioning seat（3）The upper conical surface guide sleeve for forming integrally connected（3-1）, conical surface guide sleeve（3-1）'s
Root is arranged bushing（4）, conical surface guide sleeve（3-1）Male cone (strobilus masculinus) and resilient sleeve（6）Inner conical surface match, the positioning seat
（3）Surface outer end be laid with several locating pieces（8）, positioning seat（3）Surface be additionally provided with end surface supporting（7）.
2. elastic expansion-sleeve fixture as described in claim 1, it is characterised in that：The locating piece（8）Quantity be 12, positioning
Block（8）Pass through screw（9）With positioning seat（3）It is connected, locating piece（8）It can be in screw（9）Upper sliding, screw（9）On be arranged
Compressed spring（10）, compressed spring（10）One end is pressed in positioning seat（3）On, compressed spring（10）The other end is held out against in locating piece
（8）On inner hole step surface.
3. elastic expansion-sleeve fixture as claimed in claim 2, it is characterised in that：The locating piece（8）The first hole of upper coaxial arrangement
（8-1）, the second hole（8-2）, third hole（8-3）And the 4th hole（8-4）, compressed spring（10）It is placed in the first hole（8-1）In, compression
Spring（10）One end is pressed in positioning seat（3）On, the other end is pressed in the second hole（8-2）Step surface, the second screw（9）Nail
Head is pressed in third hole（8-3）Step surface on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820496478.1U CN208117564U (en) | 2018-04-08 | 2018-04-08 | Elastic expansion-sleeve fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820496478.1U CN208117564U (en) | 2018-04-08 | 2018-04-08 | Elastic expansion-sleeve fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208117564U true CN208117564U (en) | 2018-11-20 |
Family
ID=64189919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820496478.1U Active CN208117564U (en) | 2018-04-08 | 2018-04-08 | Elastic expansion-sleeve fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208117564U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397085A (en) * | 2018-11-29 | 2019-03-01 | 陕西法士特汽车传动集团有限责任公司 | It is a kind of for modifying the universal fixturing of external friction annular groove mouth |
| CN113458440A (en) * | 2021-06-28 | 2021-10-01 | 西安法士特汽车传动有限公司 | Push-type cover finish turning anchor clamps that rise |
-
2018
- 2018-04-08 CN CN201820496478.1U patent/CN208117564U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397085A (en) * | 2018-11-29 | 2019-03-01 | 陕西法士特汽车传动集团有限责任公司 | It is a kind of for modifying the universal fixturing of external friction annular groove mouth |
| CN109397085B (en) * | 2018-11-29 | 2024-02-06 | 陕西法士特汽车传动集团有限责任公司 | Universal clamp for trimming notch of outer friction ring |
| CN113458440A (en) * | 2021-06-28 | 2021-10-01 | 西安法士特汽车传动有限公司 | Push-type cover finish turning anchor clamps that rise |
| CN113458440B (en) * | 2021-06-28 | 2022-05-13 | 西安法士特汽车传动有限公司 | Push-type cover finish turning anchor clamps that rise |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208117564U (en) | Elastic expansion-sleeve fixture | |
| KR101335593B1 (en) | O-ring inserting apparatus | |
| CN105014112A (en) | Outer circle turning clamp for thin-walled parts for motor | |
| CN105689812A (en) | High-precision gear centering and clamping device based on inner hole centering and machining method of high-precision gear centering and clamping device | |
| CN208913171U (en) | The secondary positioning expander device of three pin shaft forks | |
| CN204603904U (en) | A kind ofly be applied to wheel hub clamp for machining that is horizontal and vertical numerical controlled lathe | |
| CN105522182A (en) | Internal expansion centering clamp and application thereof | |
| CN102248483B (en) | Automatic sanding fixture for industrial robot | |
| CN107825377B (en) | A kind of 180 ° of overturning and positioning devices of high-precision and Method of Adjustment | |
| CN203578946U (en) | Expansion sleeve hobbing clamp | |
| CN211102545U (en) | Steel ball formula pressure head structure that floats | |
| CN210413637U (en) | Stainless steel pipe fixing device | |
| CN208645069U (en) | Numerically control grinder elastic expansion-sleeve fixture | |
| CN105666401A (en) | Portable O-shaped rubber ring installation tool | |
| CN204194979U (en) | Process slim roller gear part gear grinding clamp | |
| CN107363726A (en) | A kind of large-diameter optical part elastic clamping frock and method for numerical control grinding and polishing | |
| CN109604986B (en) | Butt joint tool for accurate installation and use method thereof | |
| CN201524929U (en) | Equipment capable of automatic micro feed and automatic cutter wear compensation | |
| CN110449954A (en) | Vertical cabin class flexible part frock clamp | |
| CN203171279U (en) | Axle housing self-centering clamping device | |
| CN108994398A (en) | Gear Processing flexibility alignment device and method | |
| CN205571621U (en) | High accuracy gear centering clamping device based on hole centering | |
| CN205733120U (en) | A kind of boring bar device for deep hole machining | |
| CN103962989B (en) | The positioning tool of pressing machine | |
| CN109443751B (en) | Be suitable for multi-functional running-in device of multiple model ball screw pair |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |