CN206241283U - A kind of fixture - Google Patents
A kind of fixture Download PDFInfo
- Publication number
- CN206241283U CN206241283U CN201621361487.7U CN201621361487U CN206241283U CN 206241283 U CN206241283 U CN 206241283U CN 201621361487 U CN201621361487 U CN 201621361487U CN 206241283 U CN206241283 U CN 206241283U
- Authority
- CN
- China
- Prior art keywords
- pedestal
- deformations
- deformation
- corpus unguis
- flange
- 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.)
- Expired - Fee Related
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a kind of fixture,The fixture clamping precision is high,Axiality is high,Processing thin-walled parts are unlikely to deform and clamping great efforts,Its drip irrigation device is,Including flange and it is connected to the circular pedestal in flange one end,Pedestal is made up of elastomeric material,Described pedestal middle part is provided with the deformations of deformation in the axial direction,Described deformations side is provided with least two circumferentially spaced corpus unguis,Described deformations axial direction is made corpus unguis enlarged-diameter or diminution by active force deformation,Round base is fixed by flange,Pedestal deformations deformation in the axial direction described under external force,Due to being acted on for round base and along axis,Make deformations deformation uniform,Even if corpus unguis high precision in clamping,Axiality is high,And processing thin-walled parts are unlikely to deform,Larger dynamics is formed in less stroke additionally by pedestal deformation energy,Ensure the stability of clamping.
Description
Technical field
The utility model is related to a kind of fixture.
Background technology
At present, the precise clamp of in the market is mostly scroll chuck.Scroll chuck is driven by chuck body, movable jaw and claw
Motivation structure is constituted.On scroll chuck below three claw targeting parts, there is the flat thread of screw thread and the dish-shaped bevel gear back side
It is meshed, the flat thread at the back side drives three claws close to center or exits simultaneously during work, is used to clamp different-diameter
Workpiece.With three anti-pawls are changed on three claws, for installing the workpiece being relatively large in diameter.Easily worn and torn with scroll chuck and led
The precision reduction of processing workpiece is caused, and axiality is poor, clamping thin-walled parts are yielding, in addition in turning easily due to Cutting Force
Degree causes workpiece to depart from greatly.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of fixture, and the fixture clamping precision is high, and axiality is high,
Processing thin-walled parts are unlikely to deform and clamping great efforts.
Technical solution of the present utility model is to provide a kind of fixture with following structure, including flange and connection
In the circular pedestal in flange one end, pedestal is made up of elastomeric material, and described pedestal middle part is provided with the shape of deformation in the axial direction
Change portion, described deformations side is provided with least two circumferentially spaced corpus unguis, and described deformations axial direction is received
Make corpus unguis enlarged-diameter or diminution to active force deformation.
Preferably, described pedestal includes the fixed part being connected with flange, and described deformations are arranged in fixed part.
Preferably, described deformations include being arranged on the step-like annulus that outer is connected with fixed part.
Preferably, also including with pedestal away from corpus unguis side be connected to drive the drive rod of pedestal deformation.
Preferably, described pedestal is removably connected with connecting rod, is provided with what is slided for drive rod in described connecting rod
Chute.
Preferably, described deformations are provided with the projection corresponding with corpus unguis, and described projection is detachably connected with corpus unguis.
Preferably, described corpus unguis is both connected on an annular ring.
Preferably, described corpus unguis cross section is sector.
Preferably, described pedestal by elastic steel into.
After using above structure, fixture of the present utility model, compared with prior art, with advantages below：By flange
Fixed round base, pedestal deformations deformation in the axial direction described under external force, due to for round base and along axle
Line is acted on, and makes deformations deformation uniform, even if corpus unguis high precision, axiality in clamping is high, and processing thin-walled parts are difficult
Deformation, forms larger dynamics, it is ensured that the stability of clamping additionally by pedestal deformation energy in less stroke.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model fixture.
Fig. 2 is the side view of the utility model fixture.
Fig. 3 is along the generalized section at A-A in Fig. 2.
Fig. 4 is the structural representation one of pedestal in the utility model fixture.
Fig. 5 is the structural representation two of pedestal in the utility model fixture.
Shown in figure：1st, flange；2nd, pedestal；21st, deformations；22nd, fixed part；23rd, step-like annulus；24th, it is raised；3rd, pawl
Body；4th, annular ring；5th, connecting rod；51st, chute.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Refer to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, fixture of the present utility model, including flange 1 and be connected to flange
The circular pedestal 2 in 1 one end, pedestal 2 is made up of elastomeric material, and the described middle part of pedestal 2 is provided with the deformation of deformation in the axial direction
Portion 21, the described side of deformations 21 is provided with least two circumferentially spaced corpus unguis 3, the described axial direction side of deformations 21
Make the enlarged-diameter of corpus unguis 3 or contracting to by active force deformation, round base 2 is fixed by flange 1, it is described under external force
The deformation in the axial direction of deformations 21 of pedestal 2, due to being acted on for round base 2 and along axis, makes the deformation of deformations 21 uniform, i.e.,
Open corpus unguis 3 or close up uniform, high precision, axiality are high when making clamping, and processing thin-walled parts are unlikely to deform, and lead in addition
Cross the deformation energy of pedestal 2 and larger dynamics is formed in less stroke, it is ensured that the stability of clamping.Described pedestal 2 is by elasticity
Steel is made, and with linear deformation quantity, and physical life is long.
Described pedestal 2 includes the fixed part 22 being connected with flange 1, and described deformations 21 are arranged in fixed part 22,
It is connected with flange 1 by fixed part 22, realizes the fixation of pedestal 2, during by axial force, deformations 21 prolongs axial direction on pedestal 2
Deformation, and because described deformations 21 include being arranged on the step-like annulus 23 that outer is connected with fixed part 22, by setting
Step-like annulus 23 can change the deformation quantity of deformations 21, realize that pedestal 2 realizes more effective uniform deformation, and the present embodiment
In the cross sectional shape of step-like annulus 23 be trapezoidal, more conducively one deformation in direction.
Fixture also include with pedestal 2 away from the side of corpus unguis 3 be connected to drive the drive rod of the deformation of pedestal 2, described base
Seat 2 is removably connected with connecting rod 5, and the chute 51 slided for drive rod is provided with described connecting rod 5, can by connecting rod 5
The fixation of connecting rod 5 and pedestal 2, the driving pedestal 2 for enabling drive rod to stablize, it is ensured that stress equalization and shape are realized in dismounting connection
Become uniform.
Described deformations 21 are provided with raised 24 corresponding with corpus unguis 3, and described projection 24 detachably connects with corpus unguis 3
Connect, the deformation quantity of corpus unguis 3 can be changed by raised 24 convenient installations and raised 24 width and height, realize to the difference of corpus unguis 3
The design of deformation quantity.Described corpus unguis 3 is both connected on an annular ring 4, is realized multiple unification Fast Installations of corpus unguis 3 and be can guarantee that
The accurate installation site of corpus unguis 3.The described cross section of corpus unguis 3 is sector, not only can guarantee that outer ring and workpiece be stably connected with and
Fan-shaped larger area can guarantee that stress equalization.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
1. a kind of fixture, it is characterised in that：Including flange (1) and it is connected to the circular pedestal (2) in flange (1) one end, pedestal (2)
It is made up of elastomeric material, described pedestal (2) middle part is provided with the deformations (21) of deformation in the axial direction, described deformations
(21) side is provided with least two circumferentially spaced corpus unguis (3), and described deformations (21) axial direction is acted on
Power deformation makes corpus unguis (3) enlarged-diameter or diminution.
2. fixture according to claim 1, it is characterised in that：Described pedestal (2) includes the fixation that is connected with flange (1)
Portion (22), described deformations (21) are arranged in fixed part (22).
3. fixture according to claim 2, it is characterised in that：Described deformations (21) are including being arranged on outer and fixation
The step-like annulus (23) of portion (22) connection.
4. fixture according to claim 1, it is characterised in that：Also include with pedestal (2) away from corpus unguis (3) side be connected
To drive the drive rod of pedestal (2) deformation.
5. fixture according to claim 4, it is characterised in that：Described pedestal (2) is removably connected with connecting rod (5),
The chute (51) slided for drive rod is provided with described connecting rod (5).
6. fixture according to claim 1, it is characterised in that：Described deformations (21) are provided with corresponding with corpus unguis (3)
Projection (24), described projection (24) is detachably connected with corpus unguis (3).
7. the fixture according to claim 1 or 6, it is characterised in that：Described corpus unguis (3) is both connected to an annular ring (4)
On.
8. the fixture according to claim 1 or 6, it is characterised in that：Described corpus unguis (3) cross section is sector.
9. fixture according to claim 1, it is characterised in that：Described pedestal (2) by elastic steel into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621361487.7U CN206241283U (en) | 2016-12-13 | 2016-12-13 | A kind of fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621361487.7U CN206241283U (en) | 2016-12-13 | 2016-12-13 | A kind of fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206241283U true CN206241283U (en) | 2017-06-13 |
Family
ID=59006515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621361487.7U Expired - Fee Related CN206241283U (en) | 2016-12-13 | 2016-12-13 | A kind of fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206241283U (en) |
-
2016
- 2016-12-13 CN CN201621361487.7U patent/CN206241283U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20201213 |