CN209094590U - A kind of aerodynamic force expansion core fixture - Google Patents
A kind of aerodynamic force expansion core fixture Download PDFInfo
- Publication number
- CN209094590U CN209094590U CN201821194917.XU CN201821194917U CN209094590U CN 209094590 U CN209094590 U CN 209094590U CN 201821194917 U CN201821194917 U CN 201821194917U CN 209094590 U CN209094590 U CN 209094590U
- Authority
- CN
- China
- Prior art keywords
- positioning plate
- expansion core
- expansion
- aerodynamic force
- piston hole
- 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 provides a kind of aerodynamic force expansion core fixture, the aerodynamic force expansion core fixture includes terminal pad and positioning plate, the terminal pad and positioning plate are bolted to connection, at least provided with three groups of cylinder block groups between terminal pad and positioning plate, the cylindrical thread connector, which is connected through a screw thread, is fixedly connected with cylinder block group with positioning plate, the positioning plate outer end face is provided with pneumatic expansion core and expansion set, the pneumatic expansion core is central axial to be provided with vacuum stem, vacuum stem lower end surface is equipped with stem piston hole, the stem piston hole and piston hole are connected by piston output rod through positioning plate two-way linkage, expansion set upper end outer ring is provided with fixed annular groove and expansion slot, the expansion set is connected to pneumatic expansion core outer ring by Fixing shrink ring.The utility model drives the work of clamping part by the jet power unit of exportable constant moment of force, can produce lasting, stable clamping power, and workpiece positioning is reliable, and reseting precision is high, and easy to operate, clamping efficiency is high.
Description
Technical field
The utility model relates to a kind of frock clamp, and in particular to a kind of disk-like accessory for clamping with centre bore
Aerodynamic force expansion core fixture.
Background technique
Fixture is to be used to the work that fastening workpiece makes lathe, cutter, workpiece keep correct relative position rapidly in machining
Process and equipment is indispensable component, as machine tool technology is to high speed, the development in efficient, accurate, intelligent direction, to fixture
The requirement such as high-precision, efficient, economic is proposed, in the prior art, the fixture for the disk-like accessory (such as gear) with centre bore
The ball mandrel of generally manual clamping, ball mandrel carry out compression positioning to workpiece by cover board and nut, fixed in order to improve
Position precision, the gap that ball and mandrel and inner hole of workpiece is usually arranged is smaller, and there are machining allowance, apertures for inner hole of workpiece
For value range, it not can guarantee the smooth clamping of each workpiece, often occur the too small or excessive feelings of fit clearance between workpiece and fixture
Condition causes clamping workpiece difficult or positions inaccurately, influences processing efficiency or quality, the labor intensity of the manual clamping of operator
High, low efficiency, production cost are higher.
Summary of the invention
Technical problem to be solved in the utility model is to utilize the combination of aerodynamic force expansion core in the prior art for filling
The fixture for being entrained with the disk-like accessory of centre bore is improved, to guarantee positioning accuracy, improves the clamping efficiency of workpiece, is reduced
Labor intensity of operating staff reduces production cost.
In order to solve the above-mentioned technical problem, the utility model provides a kind of aerodynamic force expansion core fixture, the aerodynamic force expansion core
Fixture includes terminal pad and positioning plate, and the terminal pad and positioning plate are bolted to connection, and is located at terminal pad and positioning plate
Between at least provided with three groups of cylinder block groups, cylinder block group upper end is provided with cylindrical thread connector, the cylinder
Threaded connection body, which is connected through a screw thread, is fixedly connected with cylinder block group with positioning plate, and the cylindrical thread connector is axially arranged with
Piston hole, the positioning plate outer end face are provided with clamping part, and the clamping part includes pneumatic expansion core and expansion set, the gas
Dynamic expansion core is central axial to be provided with vacuum stem, and vacuum stem lower end surface is equipped with stem piston hole, the stem piston
Through-hole and piston hole are connected by piston output rod through positioning plate two-way linkage, and the pneumatic expansion core lower end outer ring is symmetrical arranged
There is bolt hole, and is bolted to connection in positioning plate, expansion set upper end outer ring is provided with fixed annular groove and expansion slot,
The expansion set is connected to pneumatic expansion core outer ring by Fixing shrink ring, and it is swollen that the clamping part with cylinder block group collectively forms aerodynamic force
Core fixture unit, the aerodynamic force expansion core fixture is at least provided with three groups of aerodynamic force expansion core fixture units.
Further, the piston hole, stem piston hole are identical with piston output shank diameter.
Further, the expansion slot slot interstice coverage are as follows: 0.01mm-0.02mm.
After above-mentioned technical proposal, it has the advantage that: the aerodynamic force expansion core fixture of the utility model is by exportable
The power device of constant moment of force drives the work of clamping part, can produce lasting, stable clamping power, and workpiece positioning is reliable, resets essence
Degree is high, easy to operate, and clamping efficiency is high, and labor intensity of operating staff is low, and clamping part is with the expansion core and expansion set of tapered surface
Cooperation, it is adaptable with inner hole of workpiece aperture, it is low to workpiece preamble requirement on machining accuracy, it is conducive to reduce production cost.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of aerodynamic force expansion core fixture of the utility model.
1- terminal pad, 2- positioning plate, 3- cylinder block group, 301- cylindrical thread connector, 302- piston hole, 4- are pneumatic
The fixed annular groove of expansion core, 401- vacuum stem, 402- stem piston hole, 403- bolt hole, 5- expansion set, 501-, 502- expansion
Slot, 6- piston output rod, 7- fixed ring, 8- aerodynamic force expansion core fixture unit.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the application is described in further detail.Implement below
Example is not limited to scope of the present application for illustrating the application.
As shown in Figure 1, the utility model relates to a kind of aerodynamic force expansion core fixtures, it is characterised in that: the aerodynamic force expansion core
Fixture includes terminal pad (1) and positioning plate (2), and the terminal pad (1) and positioning plate (2) are bolted to connection, and is located at and connects
It connects at least provided with three groups of cylinder block groups (3) between disk (1) and positioning plate (2), cylinder block group (3) upper end is provided with
Cylindrical thread connector (301), the cylindrical thread connector (301) are connected through a screw thread cylinder block group (3) and positioning
Plate (2) is fixedly connected, and the cylindrical thread connector (301) is axially arranged with piston hole (302), positioning plate (2) outer end
Face is provided with clamping part, and the clamping part includes pneumatic expansion core (4) and expansion set (5), and the pneumatic expansion core (4) is central axial
It is provided with vacuum stem (401), vacuum stem (401) lower end surface is equipped with stem piston hole (402), the stem piston
Through-hole (402) is connect by piston output rod (6) through positioning plate (2) two-way linkage with piston hole (302), the pneumatic expansion core
(4) lower end outer ring is symmetrically arranged with bolt hole (403), and is bolted to connection in positioning plate (2), the expansion set (5)
Upper end outer ring is provided with fixed annular groove (501) and expansion slot (502), and the expansion set (5) is socketed on pneumatic swollen by fixed ring (7)
Core (4) outer ring, the piston hole (302), stem piston hole (402) are identical with piston output rod (6) diameter, the expansion
Slot (502) slot interstice coverage are as follows: 0.01mm-0.02mm, it is swollen that the clamping part with cylinder block group (3) collectively forms aerodynamic force
Core fixture unit (8), the aerodynamic force expansion core fixture is at least provided with three groups of aerodynamic force expansion core fixture units (8).With existing skill
Art is compared, and aerodynamic force in conjunction with expansion core, can produce lasting, stable clamping power by the utility model, and workpiece positioning is reliable, resets
Precision is high, easy to operate, and clamping efficiency is high, reduces production cost.
Particular embodiments described above, to the use of the new type technical problem to be solved, technical solution and beneficial to effect
Fruit has carried out further detailed description, it should be understood that the foregoing is merely specific embodiment of the utility model,
Be not intended to limit the utility model, all any modifications within the spirit of the present invention and principle, made, equivalent replacement,
Improve etc., it is included in the protection scope of the utility model.
Claims (3)
1. a kind of aerodynamic force expansion core fixture, it is characterised in that: the aerodynamic force expansion core fixture includes terminal pad (1) and positioning plate (2),
The terminal pad (1) and positioning plate (2) are bolted to connection, and are at least arranged between terminal pad (1) and positioning plate (2)
There are three groups of cylinder block groups (3), cylinder block group (3) upper end is provided with cylindrical thread connector (301), the cylinder spiral shell
Line connector (301), which is connected through a screw thread, is fixedly connected with cylinder block group (3) with positioning plate (2), the cylindrical thread connection
Body (301) is axially arranged with piston hole (302), and positioning plate (2) outer end face is provided with clamping part, the clamping part packet
Containing pneumatic expansion core (4) and expansion set (5), the pneumatic expansion core (4) is central axial to be provided with vacuum stem (401), the evacuated core
Column (401) lower end surface is equipped with stem piston hole (402), and the stem piston hole (402) and piston hole (302) are by piston
Output rod (6) is connected through positioning plate (2) two-way linkage, and pneumatic expansion core (4) the lower end outer ring is symmetrically arranged with bolt hole
(403), and be bolted to connection in positioning plate (2), expansion set (5) the upper end outer ring be provided with fixed annular groove (501) and
Expansion slot (502), the expansion set (5) are socketed on pneumatic expansion core (4) outer ring, the clamping part and cylinder by fixed ring (7)
Cylinder body group (3) collectively forms aerodynamic force expansion core fixture unit (8), and the aerodynamic force expansion core fixture is at least provided with three groups of aerodynamic force
Expansion core fixture unit (8).
2. a kind of aerodynamic force expansion core fixture according to claim 1, it is characterised in that: the piston hole (302), stem
Piston hole (402) is identical with piston output rod (6) diameter.
3. a kind of aerodynamic force expansion core fixture according to claim 1, it is characterised in that: expansion slot (502) the slot gap
Range are as follows: 0.01mm-0.02mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821194917.XU CN209094590U (en) | 2018-07-26 | 2018-07-26 | A kind of aerodynamic force expansion core fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821194917.XU CN209094590U (en) | 2018-07-26 | 2018-07-26 | A kind of aerodynamic force expansion core fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209094590U true CN209094590U (en) | 2019-07-12 |
Family
ID=67150052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821194917.XU Active CN209094590U (en) | 2018-07-26 | 2018-07-26 | A kind of aerodynamic force expansion core fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209094590U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114515974A (en) * | 2022-03-28 | 2022-05-20 | 浙江三田汽车空调压缩机有限公司 | Pneumatic clamp for combined machining of bidirectional piston type automobile air conditioner compressor shell |
-
2018
- 2018-07-26 CN CN201821194917.XU patent/CN209094590U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114515974A (en) * | 2022-03-28 | 2022-05-20 | 浙江三田汽车空调压缩机有限公司 | Pneumatic clamp for combined machining of bidirectional piston type automobile air conditioner compressor shell |
| CN114515974B (en) * | 2022-03-28 | 2024-04-02 | 浙江三田汽车空调压缩机有限公司 | Pneumatic clamp for combined machining of two-way piston type automobile air conditioner compressor cylinder body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205021244U (en) | A milling fixture that is used for centering clamping part axis of reference on lathe | |
| CN107297525A (en) | A kind of motor flange drill jig | |
| CN209094590U (en) | A kind of aerodynamic force expansion core fixture | |
| CN208840544U (en) | A kind of fixed device of thin-walled parts aeroelasticity with threaded hole | |
| CN109128885B (en) | Thin-wall cylindrical workpiece outer circle turning and clamping tool and clamping method | |
| CN112388362B (en) | Fixture combination for machining rotary pipe joint with ball by numerical control lathe and machining method | |
| CN201970109U (en) | Novel fixture for machine tool | |
| CN207824415U (en) | A kind of vertical machining centre pneumatic expansion device | |
| CN206519755U (en) | The positioning tool processed for marine diesel round flange | |
| CN109015039A (en) | A kind of thin-walled parts processing bit combination fixture with threaded hole | |
| CN210209529U (en) | Universal positioning and clamping system | |
| CN209078269U (en) | Thin-wall tube-shaped excircle of workpiece turning clamping tooling | |
| CN103465076A (en) | Four-point clamping fixture | |
| CN203484949U (en) | Four-point clamping fixture | |
| CN209363674U (en) | Multi-drill bit Special drilling jig | |
| CN208788051U (en) | A kind of thin-walled parts processing bit combination fixture with threaded hole | |
| CN206883198U (en) | A kind of clamping tooling | |
| CN108177001B (en) | Transmission case with two intersecting shaft holes, boring fixture and use method thereof | |
| CN202062138U (en) | Automatic centering and clamping device for high-precision spiral bevel gear | |
| CN216758185U (en) | End face driven shaft machining center clamp | |
| CN113752062B (en) | Automobile-used frock of complicated weldment | |
| CN107008932B (en) | Frock clamp | |
| CN209868087U (en) | Automatic feeding manipulator finger for magnetic core tube processing | |
| CN220260180U (en) | Push rod processing frock | |
| CN219925754U (en) | Multi-station gas-liquid pressurizing flat tongs |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |