CN209140359U - With the fluid pressure type fixture of Internal hole positioning automated exchanged cutter thin-walled steel bushing - Google Patents
With the fluid pressure type fixture of Internal hole positioning automated exchanged cutter thin-walled steel bushing Download PDFInfo
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- CN209140359U CN209140359U CN201822072758.2U CN201822072758U CN209140359U CN 209140359 U CN209140359 U CN 209140359U CN 201822072758 U CN201822072758 U CN 201822072758U CN 209140359 U CN209140359 U CN 209140359U
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Abstract
With the fluid pressure type fixture of Internal hole positioning automated exchanged cutter thin-walled steel bushing, cylinder barrel including the penetrating connecting cylinder in left and right and left end opening, connecting cylinder right end coaxial line is fixedly connected with ring flange, ring flange is fixedly connected by bolt with cylinder barrel left end coaxial line, connecting cylinder left port inner wall is provided with the bearing for connecting hydraulic oil pipe, and cylinder barrel outer circle is in axial direction evenly arranged with the identical radial expansion clamping mechanism of several groups structure.The utility model is clamped using the positioning that the multiple supporting point Internal hole positioning modes of fluid pressure type carry out thin-wall cylinder casing, and centering precision is high, avoid because clamping force unevenly caused by workpiece deform the problem of；Simultaneously because being easily installed and removed between cylinder barrel outer circle and thin-wall cylinder casing inner hole there are sufficient installation surplus, it is easy to accomplish pipeline automation clamping substitutes manual labor, improves production efficiency.
Description
Technical field
The utility model belongs to machine-building processing technique field, and in particular to one kind is with Internal hole positioning automated exchanged cutter thin-walled
The fluid pressure type fixture of steel bushing.
Background technique
With the fast development of machine-building processing technology, the requirement on machining accuracy of some thin-walled parts is higher and higher, phase
For, the processing efficiency of part will decline, although the appearance of automatic production line improves production efficiency, in existing skill
During art automates clamping, thin-walled parts are difficult to be clamped by correct installation, and in turning process because of clamping force not
Workpiece uniformly is deformed, causes the decline of workpiece surface quality.
Utility model content
The utility model in order to solve shortcoming in the prior art, provide a kind of structure it is simple, convenient for operation, can
Ensure thin-walled parts fluid pressure type with Internal hole positioning automated exchanged cutter thin-walled steel bushing that is indeformable and ensuring machining accuracy in processing
Fixture.
In order to solve the above technical problems, the utility model adopts the following technical solution: with Internal hole positioning automated exchanged cutter thin-walled
The fluid pressure type fixture of steel bushing, the cylinder barrel including the penetrating connecting cylinder in left and right and left end opening, connecting cylinder right end coaxial line is fixed to be connected
It is connected to ring flange, ring flange is fixedly connected by bolt with cylinder barrel left end coaxial line, and connecting cylinder left port inner wall, which is provided with, to be used for
The bearing of hydraulic oil pipe is connected, cylinder barrel outer circle is in axial direction evenly arranged with the identical radial expansion clamping machine of several groups structure
Structure.
Every group of radial expansion clamping mechanism includes several the outer thick interior thin stepped holes being provided on cylinder barrel, step
Hole is evenly arranged along the excircle of cylinder barrel, and the center line of each stepped hole is equal along the radial direction of cylinder barrel, each stepped hole
It is inserted with a T-type pin, the O-ring seal that T-type pin is slidingly sealed cooperation, the outside of T-type pin are provided in stepped hole
Penetrating mounting groove is offered along the circumferential direction of connecting cylinder, is arranged with one in all mounting grooves of every group of radial expansion clamping mechanism
Annular tension spring, the diameter of annular tension spring are less than the depth of mounting groove.
Ring flange right side and cylinder barrel left side are provided with Gask-O-Seal.
The outer end face of installation groove bottom and T-type pin is the intermediate globoidal structure outwardly protruded, where globoidal structure
Round center line is overlapped with the center line of cylinder barrel.
By adopting the above technical scheme, with the application method of the fluid pressure type fixture of Internal hole positioning automated exchanged cutter thin-walled steel bushing, packet
Include following steps,
(1) T-type pin and the first type sealing ring are installed in the stepped hole opened up on cylinder barrel, are passed through using annular tension spring
Mounting groove on same circle is tight in stepped hole by T-type pin；
(2) ring flange and connecting cylinder are made into integration, by cylinder barrel it is corresponding with the connecting hole of ring flange after be bolted it is solid
It is scheduled on together；
(3) connecting cylinder is mounted on lathe by chuck, realizes that fluid pressure type fixture entirety rotary motion, hydraulic oil pipe are logical
It crosses bearing and connecting cylinder left end inner wall is rotatablely connected；
(4) thin-wall cylinder casing is set to outside cylinder barrel, by hydraulic oil pipe, the oiling into cylinder barrel is pressurized starting hydraulic system, cylinder
After the pressure of hydraulic oil inside cylinder is greater than the pressure that annular tension spring nullifies T-type, while driving all T-type pins radially
The outer end face of the protruding stepped hole in direction, T-type pin holds out against the inner wall of thin-wall cylinder casing, to make thin-wall cylinder casing and cylinder barrel, method
Blue disk and connecting cylinder are combined as a whole；
(5) start lathe, be drivingly connected cylinder rotation, connecting cylinder is rotated by ring flange band moveable cylinder and thin-wall workpiece, machine
Cutter on bed processes the outer circle of thin-wall cylinder casing；
(6) it processes after the completion of operation, is again started up hydraulic system by hydraulic oil pipe and extracts a part of hydraulic oil in cylinder barrel out,
Make the pressure reduction inside cylinder barrel, under the action of annular tension spring, all T-types nullify moved inwardly along the radial direction by, thin-walled
It is unclamped in cylinder sleeve, step (4)-(6) is repeated after removing, processing operation is carried out to next thin-wall cylinder casing.
O-ring seal and Gask-O-Seal in the utility model play the role of sealing fluid pressure oil；Groove bottom is installed
The globoidal structure that outwardly protrudes of centre, facilitate the flexible of annular tension spring, reduce frictional force of annular tension spring when flexible；T-type
The outer end face of pin is the intermediate globoidal structure outwardly protruded, when T-type pin outer end and thin-wall cylinder casing press cooperate, entirely face
Face contact avoids supportting bad thin-wall cylinder casing outward.
In conclusion the utility model carries out the positioning of thin-wall cylinder casing using the multiple supporting point Internal hole positioning modes of fluid pressure type
Clamp, centering precision is high, avoid because clamping force unevenly caused by workpiece deform the problem of；Simultaneously because cylinder barrel outer circle and thin-walled
It there are sufficient installation surplus between cylinder sleeve bore, is easily installed and removed, it is easy to accomplish pipeline automation clamping substitutes people
Power labour, improves production efficiency.
Detailed description of the invention
Fig. 1 is the whole paving structure schematic diagram of the utility model；
Fig. 2 is A-A cross-sectional view in Fig. 1.
Specific embodiment
As depicted in figs. 1 and 2, the fluid pressure type fixture with Internal hole positioning automated exchanged cutter thin-walled steel bushing of the utility model, packet
The cylinder barrel 2 of left and right penetrating connecting cylinder 1 and left end opening is included, 1 right end coaxial line of connecting cylinder is fixedly connected with ring flange 3, flange
Disk 3 is fixedly connected by bolt 4 with 2 left end coaxial line of cylinder barrel, and 1 left port inner wall of connecting cylinder is provided with for connecting hydraulic oil pipe
Bearing 5,2 outer circle of cylinder barrel is in axial direction evenly arranged with the identical radial expansion clamping mechanism of several groups structure.
Every group of radial expansion clamping mechanism includes several the outer thick interior thin stepped holes 11 being provided on cylinder barrel 2,
Stepped hole 11 is evenly arranged along the excircle of cylinder barrel 2, and the center line of each stepped hole 11 is along the radial direction of cylinder barrel 2, each
It is inserted with a T-type pin 6 in stepped hole 11, the O-shaped sealing that T-type pin 6 is slidingly sealed cooperation is provided in stepped hole 11
Circle 7, the outside of T-type pin 6 offer penetrating mounting groove 8 along the circumferential direction of connecting cylinder 1, and every group of radial expansion clamping mechanism is all
Mounting groove 8 in be arranged with an annular tension spring 9, the diameter of annular tension spring 9 is less than the depth of mounting groove 8.
3 right side of ring flange and 2 left side of cylinder barrel are provided with Gask-O-Seal 10.
The outer end face of 8 bottom surface of mounting groove and T-type pin 6 is the intermediate globoidal structure outwardly protruded, globoidal structure place
The center line of circle be overlapped with the center line of cylinder barrel 2.
With the application method of the fluid pressure type fixture of Internal hole positioning automated exchanged cutter thin-walled steel bushing, include the following steps,
(1) T-type pin 6 and the first type sealing ring are installed in the stepped hole 11 opened up on cylinder barrel 2, use annular tension spring
9 mounting grooves 8 that pass through on same circle are tight in stepped hole 11 by T-type pin 6；
(2) ring flange 3 and connecting cylinder 1 are made into integration, by cylinder barrel 2 it is corresponding with the connecting hole of ring flange 3 after connected by bolt 4
It connects and is fixed together；
(3) connecting cylinder 1 is mounted on lathe by chuck, realizes fluid pressure type fixture entirety rotary motion, hydraulic oil pipe
It is rotatablely connected by bearing 5 and 1 left end inner wall of connecting cylinder；
(4) thin-wall cylinder casing being set to outside cylinder barrel 2, by hydraulic oil pipe, the oiling into cylinder barrel 2 is pressurized starting hydraulic system,
After the pressure of hydraulic oil inside cylinder barrel 2 is greater than the pressure that annular tension spring 9 nullifies T-type, while driving all T-type pins 6
The outer end face of radially protruding stepped hole 11, T-type pin 6 holds out against the inner wall of thin-wall cylinder casing, to make thin-wall cylinder casing
It is combined as a whole with cylinder barrel 2, ring flange 3 and connecting cylinder 1；
(5) start lathe, be drivingly connected cylinder 1 and rotate, connecting cylinder 1 is revolved by ring flange 3 with moveable cylinder 2 and thin-wall workpiece
Turn, the cutter on lathe processes the outer circle of thin-wall cylinder casing；
(6) process operation after the completion of, be again started up hydraulic system by hydraulic oil pipe extraction cylinder barrel 2 in it is a part of hydraulic
Oil makes the pressure reduction inside cylinder barrel 2, and under the action of annular tension spring 9, all T-type cancellations are moved inwardly along the radial direction by,
It is unclamped in thin-wall cylinder casing, step (4)-(6) is repeated after removing, processing operation is carried out to next thin-wall cylinder casing.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations
The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality
With the protection scope of new technique scheme.
Claims (4)
1. with the fluid pressure type fixture of Internal hole positioning automated exchanged cutter thin-walled steel bushing, it is characterised in that: including the penetrating connecting cylinder in left and right
With the cylinder barrel of left end opening, connecting cylinder right end coaxial line is fixedly connected with ring flange, and ring flange is same by bolt and cylinder barrel left end
Axis is fixedly connected, and connecting cylinder left port inner wall is provided with the bearing for connecting hydraulic oil pipe, and cylinder barrel outer circle is in axial direction
It is evenly arranged with the identical radial expansion clamping mechanism of several groups structure.
2. the fluid pressure type fixture according to claim 1 with Internal hole positioning automated exchanged cutter thin-walled steel bushing, it is characterised in that: every
Group radial expansion clamping mechanism includes several the outer thick interior thin stepped holes being provided on cylinder barrel, and stepped hole is along cylinder barrel
Excircle is evenly arranged, and the center line of each stepped hole is inserted with a T along the radial direction of cylinder barrel, each stepped hole
Type pin, is provided with the O-ring seal that T-type pin is slidingly sealed cooperation in stepped hole, the week of the outside of T-type pin along connecting cylinder
To penetrating mounting groove is offered, an annular tension spring, ring are arranged in all mounting grooves of every group of radial expansion clamping mechanism
The diameter of shape tension spring is less than the depth of mounting groove.
3. the fluid pressure type fixture according to claim 1 with Internal hole positioning automated exchanged cutter thin-walled steel bushing, it is characterised in that: method
Blue disk right side and cylinder barrel left side are provided with Gask-O-Seal.
4. the fluid pressure type fixture according to claim 2 with Internal hole positioning automated exchanged cutter thin-walled steel bushing, it is characterised in that: peace
The outer end face of tankage bottom surface and T-type pin is the intermediate globoidal structure outwardly protruded, the center line of the circle where globoidal structure
It is overlapped with the center line of cylinder barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822072758.2U CN209140359U (en) | 2018-12-11 | 2018-12-11 | With the fluid pressure type fixture of Internal hole positioning automated exchanged cutter thin-walled steel bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822072758.2U CN209140359U (en) | 2018-12-11 | 2018-12-11 | With the fluid pressure type fixture of Internal hole positioning automated exchanged cutter thin-walled steel bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209140359U true CN209140359U (en) | 2019-07-23 |
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ID=67289757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822072758.2U Active CN209140359U (en) | 2018-12-11 | 2018-12-11 | With the fluid pressure type fixture of Internal hole positioning automated exchanged cutter thin-walled steel bushing |
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| Country | Link |
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| CN (1) | CN209140359U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262292A (en) * | 2018-12-11 | 2019-01-25 | 河南理工大学 | With the fluid pressure type fixture and its application method of Internal hole positioning automated exchanged cutter thin-walled steel bushing |
| CN114473585A (en) * | 2022-01-17 | 2022-05-13 | 成都大金航太科技股份有限公司 | Fixing device of thin-wall annular part |
-
2018
- 2018-12-11 CN CN201822072758.2U patent/CN209140359U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262292A (en) * | 2018-12-11 | 2019-01-25 | 河南理工大学 | With the fluid pressure type fixture and its application method of Internal hole positioning automated exchanged cutter thin-walled steel bushing |
| CN114473585A (en) * | 2022-01-17 | 2022-05-13 | 成都大金航太科技股份有限公司 | Fixing device of thin-wall annular part |
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