CN107470982A - Air-tightness fixture - Google Patents
Air-tightness fixture Download PDFInfo
- Publication number
- CN107470982A CN107470982A CN201710906431.8A CN201710906431A CN107470982A CN 107470982 A CN107470982 A CN 107470982A CN 201710906431 A CN201710906431 A CN 201710906431A CN 107470982 A CN107470982 A CN 107470982A
- Authority
- CN
- China
- Prior art keywords
- hole
- air
- copper sheathing
- main shaft
- air inlet
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/002—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders
- B23Q17/003—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders by measuring a position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
- Machine Tool Sensing Apparatuses (AREA)
Abstract
The present invention relates to one kind to clamp, especially air-tightness fixture, including air inlet disk, sealing copper sheathing, positioning anchor and air pressure alarm；Air inlet disk is arranged on lathe, is coordinated between air inlet disk and main shaft equipped with sealing copper sheathing, sealing copper sheathing with main shaft for gap；Positioning anchor is arranged on the end of main shaft, and workpiece is clamped by claw, and the end face of workpiece is pressed on the locating surface of positioning anchor；Air inlet disk is provided with through hole A, and through hole A is connected with pressure regulator and air pressure alarm respectively by three-way connection；Sealing copper sheathing is provided with the through hole B and annular groove communicated, and through hole B communicates with through hole A；Main shaft is provided with through hole C, and the locating surface of positioning anchor is provided with through hole D, and through hole C one end communicates with through hole D, and the other end is against annular groove；Through hole C and through hole D are no less than three.The clamp structure is simple and reliable, it is easy to use, can quickly judge workpiece whether clamping in place, clamping efficiency is high, reduces labor intensity and production cost.
Description
Technical field
The present invention relates to one kind to clamp, especially air-tightness fixture.
Background technology
The chuck of existing lathe is by after Workpiece clamping, it usually needs whether manual synchronizing workpiece is concentric with main shaft, opens
The situation that dynamic main shaft observation workpiece rotates, stops operating, then adjusts workpiece, repeatedly, axle center and main shaft until workpiece
Axle center it is identical, the clamping time is long while can also produce deviation causes percent defective height, high processing costs, labor strength big.
The content of the invention
To solve the above problems, the present invention provides a kind of energy automatic detection clamping situation, the quick air-tightness fixture of clamping,
Concrete technical scheme is：
Air-tightness fixture, including air inlet disk, sealing copper sheathing, positioning anchor and air pressure alarm；The air inlet disk is arranged on lathe
On, and be enclosed on main shaft, it is fixed between air inlet disk and main shaft equipped with sealing copper sheathing, sealing copper sheathing on air inlet disk, seals copper sheathing
Coordinate with main shaft for gap；The positioning anchor is arranged on the end of main shaft, and on the inside of claw, workpiece is pressed from both sides by claw
Tightly, the end face of workpiece is pressed on the locating surface of positioning anchor；Air inlet disk is provided with through hole A, and through hole A one end and three-way connection connect
Connect, three-way connection is connected with pressure regulator and air pressure alarm respectively, and pressure regulator is connected with source of the gas；Set on sealing copper sheathing
There are the through hole B and annular groove communicated, through hole B to be communicated with through hole A, annular groove is positioned at the inner side of sealing copper sheathing；Set on the main shaft
There is through hole C, the locating surface of positioning anchor is provided with through hole D, and through hole C one end communicates with through hole D, and the other end is against annular groove；
The through hole C and through hole D are no less than three.
Preferably, the through hole D is distributed on locating surface.
Preferably, the air inlet disk is provided with connecting hole, and the connecting hole and through hole A are concentric, and positioned at sealing copper sheathing
Side, the diameter of connecting hole is not less than through hole A.
Preferably, the width of the annular groove is not less than through hole C diameter.
Preferably, the sealing copper sheathing, which is provided with, receives dirty groove, described to receive groove of the dirty groove for annular, and positioned at the one of annular groove
Side.
Preferably, it is described to receive dirty groove provided with two, respectively positioned at the both sides of annular groove.
Gap between main shaft and sealing copper sheathing is small, and a small amount of height is had without friction with sealing copper sheathing when main shaft rotates
Pressure air is spilt from main shaft with sealing the gap of copper sheathing, and leakage influences very little, air pressure alarm will not be triggered to alarm.
Air pressure in air pressure alarm energy monitored pipeline, when air pressure is less than setting value in pipeline, air pressure alarm sends report
It is alert.
Whether 3 points determine a plane, can be installed with locating surface with accurate determination workpiece by three uniform points
In place.
Connecting hole is relatively large in diameter, and for improving fault-tolerance, enables through hole A to keep connecting with through hole B.
Receive the impurity such as dust on dirty hole storage main shaft, lubricating grease, reduce main shaft with sealing the friction of copper sheathing.
Workpiece is placed into spindle nose, work is pressed on the locating surface of positioning anchor, and claw is by Workpiece clamping, source of the gas
Start, pressure-air enters in the through hole A of air inlet disk after pressure regulator pressure regulation, subsequently into the through hole B of sealing copper sheathing
In, gases at high pressure are respectively enterd by annular groove in three through hole C on main shaft, and positioning anchor is to be fixedly connected with main shaft, high
Body of calming the anger enters in the through hole D of positioning anchor from through hole C, because Work-sheet pressing is on locating surface, seals through hole D, through hole
And the air pressure in pipeline will not occur significantly to decline, air pressure alarm shows current gas pressure；If workpiece surface is not straight, has
Burr or when failing correctly to clamp, can produce gap, gases at high pressure leak, and cause through hole and pipe between locating surface and workpiece
Pressure in road declines, and when alarming value of the pressure less than setting, air pressure alarm sends alarm；In process, if hair
Cause to produce gap between locating surface and workpiece outside business, can also send alarm, can not now continue to process, because the position of workpiece
Put and change, cause to process mistake.
Compared with prior art the invention has the advantages that：
Air-tightness clamp structure provided by the invention is simple and reliable, it is easy to use, can quickly judge workpiece whether clamping in place, dress
Folder efficiency high, reduce labor intensity and production cost.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is enlarged partial sectional view；
Fig. 3 is the mplifying structure schematic diagram of positioning anchor.
Embodiment
In conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1 to Figure 3, air-tightness fixture, including air inlet disk 11, sealing copper sheathing 21, positioning anchor 41 and air pressure report
Alert device 63；The air inlet disk 11 is arranged on lathe, and is enclosed on main shaft 31, equipped with sealing copper between air inlet disk 11 and main shaft 31
Set 21, sealing copper sheathing 21 are fixed on air inlet disk 11, and sealing copper sheathing 21 coordinates with main shaft 31 for gap；The positioning anchor 41 is pacified
Clamped mounted in the end of main shaft 31, and positioned at the inner side of claw 52, workpiece 51 by claw 52, the end face of workpiece 51 is pressed in positioning and leaned on
On the locating surface 43 on mountain 41；Air inlet disk 11 is provided with through hole A12, and through hole A12 one end is connected with three-way connection 61, three-way connection
61 are connected with pressure regulator 62 and air pressure alarm 63 respectively, and pressure regulator 62 is connected with source of the gas；Set on sealing copper sheathing 21
There are the through hole B22 and annular groove 23 communicated, through hole B22 to be communicated with through hole A12, annular groove 23 is positioned at the inner side of sealing copper sheathing 21；
The main shaft 31 is provided with through hole C32, and the locating surface 43 of positioning anchor 41 is provided with through hole D42, through hole C32 one end and through hole
D42 is communicated, and the other end is against annular groove 23；The through hole C32 and through hole D42 are equipped with three, and correspond, through hole D42
It is distributed on locating surface 43.
Air inlet disk 11 is provided with connecting hole 13, and the connecting hole 13 and through hole A12 are concentric, and positioned at sealing copper sheathing 21
Side, the diameter of connecting hole 13 are not less than through hole A12.
The width of annular groove 23 is not less than through hole C32 diameter.
Sealing copper sheathing 21, which is provided with, receives dirty groove 24, described to receive groove of the dirty groove 24 for annular, and dirty groove 24 of receiving is provided with two, respectively
Positioned at the both sides of annular groove 23.
Workpiece 51 is placed into the end of main shaft 31, workpiece 51 is pressed on the locating surface 43 of positioning anchor 41, and claw 52 will
Workpiece 51 clamps, and source of the gas starts, and pressure-air enters in the through hole A12 of air inlet disk 11 after the pressure regulation of pressure regulator 62, then
Into in the through hole B22 of sealing copper sheathing 21, gases at high pressure respectively enter three through hole C32 on main shaft 31 by annular groove 23
In, with main shaft 31 to be fixedly connected, gases at high pressure enter in the through hole D42 of positioning anchor 41 positioning anchor 41 from through hole C32,
Because workpiece 51 is pressed on locating surface 43, seal through hole D42, under the air pressure in through hole and pipeline will not occur significantly
Drop, air pressure alarm 63 shows current gas pressure, and will not send alarm；If the uneven surface of workpiece 51 is straight, jagged or not
When can correctly clamp, gap can be produced between locating surface 43 and workpiece 51, gases at high pressure leak, and cause in through hole and pipeline
Pressure decline, when pressure less than setting alarming value when air pressure alarm 63 send alarm；In process, if it happens
Surprisingly cause to produce gap between locating surface 43 and workpiece 51, can also send alarm, can not now continue to process, because workpiece 51
Position change, cause process mistake.
Claims (6)
1. air-tightness fixture, it is characterised in that including air inlet disk（11）, sealing copper sheathing（21）, positioning anchor（41）With air pressure report
Alert device（63）；The air inlet disk（11）On lathe, and it is enclosed on main shaft（31）On, air inlet disk（11）With main shaft（31）Between
Equipped with sealing copper sheathing（21）, seal copper sheathing（21）It is fixed on air inlet disk（11）On, seal copper sheathing（21）With main shaft（31）For gap
Coordinate；The positioning anchor（41）Installed in main shaft（31）End, and be located at claw（52）Inner side, workpiece（51）Pass through claw
（52）Clamp, workpiece（51）End face be pressed in positioning anchor（41）Locating surface（43）On；Air inlet disk（11）It is provided with through hole A
（12）, through hole A（12）One end and three-way connection（61）Connection, three-way connection（61）Respectively with pressure regulator（62）And air pressure
Alarm（63）Connection, pressure regulator（62）It is connected with source of the gas；Seal copper sheathing（21）It is provided with the through hole B communicated（22）And ring
Shape groove（23）, through hole B（22）With through hole A（12）Communicate, annular groove（23）Positioned at sealing copper sheathing（21）Inner side；The main shaft
（31）It is provided with through hole C（32）, positioning anchor（41）Locating surface（43）It is provided with through hole D（42）, through hole C（32）One end with
Through hole D（42）Communicate, the other end is against annular groove（23）；The through hole C（32）With through hole D（42）It is no less than three.
2. air-tightness fixture according to claim 1, it is characterised in that the through hole D（42）It is distributed on locating surface（43）
On.
3. air-tightness fixture according to claim 1, it is characterised in that the air inlet disk（11）It is provided with connecting hole
（13）, the connecting hole（13）With through hole A（12）It is concentric, and positioned at sealing copper sheathing（21）Side, connecting hole（13）It is straight
Footpath is not less than through hole A（12）.
4. air-tightness fixture according to claim 1, it is characterised in that the annular groove（23）Width be not less than through hole
C（32）Diameter.
5. air-tightness fixture according to claim 1, it is characterised in that the sealing copper sheathing（21）It is provided with and receives dirty groove
（24）, it is described to receive dirty groove（24）For the groove of annular, and it is located at annular groove（23）Side.
6. air-tightness fixture according to claim 5, it is characterised in that described to receive dirty groove（24）Provided with two, difference position
In annular groove（23）Both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710906431.8A CN107470982A (en) | 2017-09-29 | 2017-09-29 | Air-tightness fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710906431.8A CN107470982A (en) | 2017-09-29 | 2017-09-29 | Air-tightness fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107470982A true CN107470982A (en) | 2017-12-15 |
Family
ID=60605637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710906431.8A Pending CN107470982A (en) | 2017-09-29 | 2017-09-29 | Air-tightness fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107470982A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551301A (en) * | 2018-12-29 | 2019-04-02 | 山东汇金股份有限公司 | A kind of devices and methods therefor of gas source detection workpiece positioning accuracy |
| CN109968078A (en) * | 2019-03-29 | 2019-07-05 | 浙江辛子精工机械股份有限公司 | A kind of the air-tightness fixture and its application method of high reliability and low cost |
| CN114131427A (en) * | 2021-11-26 | 2022-03-04 | 珠海格力智能装备技术研究院有限公司 | Workpiece in-place detection mechanism |
-
2017
- 2017-09-29 CN CN201710906431.8A patent/CN107470982A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551301A (en) * | 2018-12-29 | 2019-04-02 | 山东汇金股份有限公司 | A kind of devices and methods therefor of gas source detection workpiece positioning accuracy |
| CN109968078A (en) * | 2019-03-29 | 2019-07-05 | 浙江辛子精工机械股份有限公司 | A kind of the air-tightness fixture and its application method of high reliability and low cost |
| CN109968078B (en) * | 2019-03-29 | 2023-09-05 | 浙江辛子精工机械股份有限公司 | High-reliability low-cost airtight clamp and use method thereof |
| CN114131427A (en) * | 2021-11-26 | 2022-03-04 | 珠海格力智能装备技术研究院有限公司 | Workpiece in-place detection mechanism |
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