CN107755726A - Suitable for the swelling fixture of cover parts - Google Patents
Suitable for the swelling fixture of cover parts Download PDFInfo
- Publication number
- CN107755726A CN107755726A CN201711068344.6A CN201711068344A CN107755726A CN 107755726 A CN107755726 A CN 107755726A CN 201711068344 A CN201711068344 A CN 201711068344A CN 107755726 A CN107755726 A CN 107755726A
- Authority
- CN
- China
- Prior art keywords
- swelling
- lathe
- cover parts
- axis
- activity
- 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
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
- B23B31/404—Gripping the work or tool by jaws moving radially controlled by conical surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
- B23B31/404—Gripping the work or tool by jaws moving radially controlled by conical surfaces
- B23B31/4046—Details of the jaws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The invention discloses a kind of swelling fixture suitable for cover parts, lathe pull bar slides relative to lathe revolving body along axis of rotation;One end of intermediate draw bar is fixed to lathe pull bar;Active pull rod shaft is fixed to the other end of intermediate draw bar;Expanding mandrel is fixed to lathe revolving body;Expanding mandrel is socketed in the periphery of active pull rod shaft;Expanding mandrel is formed with swelling base portion;On axis of rotation direction, activity swelling part is corresponding with the position of swelling base portion;Swelling base portion is formed with along the swelling hole for extending radially through expanding mandrel of axis of rotation;Activity swelling part is formed with skewback;Skewback stretches to the inside of expanding mandrel through swelling hole;One end of active pull rod shaft is formed with globular part;On axis of rotation direction, globular part is corresponding with the position of skewback;Rubber ring set is in the periphery of activity swelling part and expanding mandrel.Swelling fixture disclosed by the invention suitable for cover parts can realize automatic swelling, clamping stability height.
Description
Technical field
The present invention relates to a kind of swelling fixture suitable for cover parts.
Background technology
The clamp system of traditional numerically controlled lathe part generally use is three-jaw clamp system.The lathe pull bar of lathe drives
Three-jaw clamp system Clamp blocks.
Traditional numerically controlled lathe utilizes clamping jaw clamping cover parts when clamping cover parts from outer surface.Clamping jaw blocks set
A part for the outer surface of class part, part processing is influenceed, it is necessary to which repeated multiple times clamping, could realize and full surface is added
Work, repeatedly clamping also result in the reduction of machining accuracy.
The content of the invention
To solve the deficiencies in the prior art, it is an object of the invention to provide a kind of swelling folder suitable for cover parts
Tool, automatic swelling, clamping stability height can be realized.
A kind of swelling fixture suitable for cover parts, it is characterised in that including:Lathe terminal pad, definition turn once
Lathe revolving body, lathe pull bar, intermediate draw bar, active pull rod shaft, activity swelling part, expanding mandrel and the rubber ring of axis;Car
Bed revolving body is connected to lathe terminal pad;Lathe revolving body rotates around axis of rotation;Lathe pull bar is relative to lathe revolving body edge
Axis of rotation slides;One end of intermediate draw bar is fixed to lathe pull bar;Active pull rod shaft is fixed to the other end of intermediate draw bar;It is swollen
Tight mandrel is fixed to lathe revolving body;Expanding mandrel is socketed in the periphery of active pull rod shaft;Expanding mandrel is formed with swelling base portion;
On axis of rotation direction, activity swelling part is corresponding with the position of swelling base portion;Swelling base portion is formed with along axis of rotation
Extend radially through the swelling hole of expanding mandrel;Activity swelling part is formed with skewback;Skewback stretches to expanding mandrel through swelling hole
It is internal;One end of active pull rod shaft is formed with globular part;On axis of rotation direction, globular part is corresponding with the position of skewback;
Rubber ring set is in the periphery of activity swelling part and expanding mandrel.
Further, intermediate draw bar and lathe pull bar are connected through a screw thread.
Further, sealing ring is provided between intermediate draw bar and lathe revolving body.Further, intermediate draw bar is formed with profit
Lubricating oil storage chamber.Further, two sealing rings are included suitable for the swelling fixture of cover parts;Lubricating oil storage chamber is located at two
Between individual sealing ring.Further, pouring orifice of the lathe revolving body formed with connection lubricating oil storage chamber.
Further, two rubber rings are included suitable for the swelling fixture of cover parts;On axis of rotation direction, skewback
Between two rubber rings.Further, two installation grooves of the activity swelling part formed with installation rubber ring.Further
Ground, intermediate draw bar and active pull rod shaft are connected through a screw thread.
Further, the number of activity swelling part is 3;3 activity swelling parts are uniformly distributed along the circumference of axis of rotation.Enter
One step, swelling base portion is located at the middle part of expanding mandrel on the axis of rotation direction.
The present invention is advantageous in that:Automatic expansion sleeve class zero can be realized suitable for the swelling fixture of cover parts
Part, clamping stability are high.Activity swelling part can carry out fixture to the middle part of cover parts and avoid end clamping from causing a lateral deviation
The problem of tiltedly loosening, is also convenient for being processed in the middle part of cover parts.With higher machining accuracy.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the swelling fixture suitable for cover parts;
Fig. 2 is the sectional view of the swelling fixture suitable for cover parts in Fig. 1;
Fig. 3 is the explosive view of the swelling fixture suitable for cover parts in Fig. 1.
Embodiment
Make specific introduce to the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 to Figure 3, a kind of swelling fixture 100 suitable for cover parts 200, including:Lathe terminal pad 1, determine
The justice lathe revolving body 2 of shaft axis 101, lathe pull bar 3, intermediate draw bar 4, active pull rod shaft 5, activity swelling part 6, swollen once
Tight mandrel 7 and rubber ring 8.
Lathe revolving body 2 is connected to lathe terminal pad 1;Lathe revolving body 2 rotates around axis of rotation 101;The phase of lathe pull bar 3
Slided for lathe revolving body 2 along axis of rotation 101;One end of intermediate draw bar 4 is fixed to lathe pull bar 3;Active pull rod shaft 5 is solid
The fixed other end to intermediate draw bar 4;Expanding mandrel 7 is fixed to lathe revolving body 2;Expanding mandrel 7 is socketed in active pull rod shaft 5
Periphery;Expanding mandrel 7 is formed with swelling base portion 7a;On the direction of axis of rotation 101, activity swelling part 6 and swelling base portion 7a's
Position is corresponding;Swelling base portion 7a is formed with the swelling hole 7b for extending radially through expanding mandrel 7 along axis of rotation 101;Activity is swollen
Tight part 6 is formed with skewback 6a;Skewback 6a stretches to the inside of expanding mandrel 7 through swelling hole 7b;One end shape of active pull rod shaft 5
Into there is globular part 5a;On the direction of axis of rotation 101, globular part 5a is corresponding with skewback 6a position;Rubber ring 8 is enclosed on activity
The periphery of swelling part 6 and expanding mandrel 7.
As a kind of specific embodiment, intermediate draw bar 4 and lathe pull bar 3 are connected through a screw thread.
As a kind of specific embodiment, sealing ring 9 is provided between intermediate draw bar 4 and lathe revolving body 2.As one kind
Specific embodiment, intermediate draw bar 4 is formed with lubricating oil storage chamber 4a.As a kind of specific embodiment, suitable for set
The swelling fixture 100 of class part 200 includes two sealing rings 9;Lubricating oil storage chamber 4a is between two sealing rings 9.As
A kind of specific embodiment, pouring orifice 2a of the lathe revolving body 2 formed with connection lubricating oil storage chamber 4a.
As a kind of specific embodiment, include two rubber rings 8 suitable for the swelling fixture 100 of cover parts 200;
On the direction of axis of rotation 101, skewback 6a is between two rubber rings 8.
As a kind of specific embodiment, two installation groove 6bs of the activity swelling part 6 formed with installation rubber ring 8.
As a kind of specific embodiment, intermediate draw bar 4 and active pull rod shaft 5 are connected through a screw thread.
As a kind of specific embodiment, the number of activity swelling part 6 is 3;3 activity swelling parts 6 are along axis of rotation
101 circumference is uniformly distributed.
Operation principle:Lathe pull bar 3 pulls intermediate draw bar 4 to move.Intermediate draw bar 4 drives active pull rod shaft 5 relative to swollen
Tight mandrel 7 moves.The globular part 5a of active pull rod shaft 5 coordinates with the skewback 6a of activity swelling part 6.As shown in Fig. 2 when actively drawing
When bar axle 5 is to left movement, radial outward movement of the activity swelling part 6 along axis of rotation 101, so as to swelling cover parts 200.When
When active pull rod shaft 5 moves right, the drive activity swelling part 6 of rubber ring 8 is close to active pull rod shaft 5, so as to discharge cover parts
200。
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way for above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical scheme, all fall within protection scope of the present invention.
Claims (10)
- A kind of 1. swelling fixture suitable for cover parts, it is characterised in that including:Lathe terminal pad, define the lathe revolving body of shaft axis, lathe pull bar, intermediate draw bar, active pull rod shaft, activity once Swelling part, expanding mandrel and rubber ring;The lathe revolving body is connected to the lathe terminal pad;The lathe revolving body is around institute State axis of rotation rotation;The lathe pull bar slides relative to the lathe revolving body along the axis of rotation;Drawn among described One end of bar is fixed to the lathe pull bar;The active pull rod shaft is fixed to the other end of the intermediate draw bar;The swelling Mandrel is fixed to the lathe revolving body;The expanding mandrel is socketed in the periphery of the active pull rod shaft;The expanding mandrel Formed with swelling base portion;On the axis of rotation direction, the activity swelling part is corresponding with the position of the swelling base portion; The swelling base portion is formed with along the swelling hole for extending radially through the expanding mandrel of the axis of rotation;The activity swelling part Formed with skewback;The skewback stretches to the inside of the expanding mandrel through the swelling hole;The one of the active pull rod shaft End is formed with globular part;On the axis of rotation direction, the globular part is corresponding with the position of the skewback;The rubber Ring set is in the periphery of the activity swelling part and the expanding mandrel.
- 2. the swelling fixture according to claim 1 suitable for cover parts, it is characterised in that:The intermediate draw bar and the lathe pull bar are connected through a screw thread.
- 3. the swelling fixture according to claim 1 suitable for cover parts, it is characterised in that:Sealing ring is provided between the intermediate draw bar and the lathe revolving body.
- 4. the swelling fixture according to claim 3 suitable for cover parts, it is characterised in that:The intermediate draw bar is formed with lubricating oil storage chamber.
- 5. the swelling fixture according to claim 4 suitable for cover parts, it is characterised in that:The swelling fixture suitable for cover parts includes two sealing rings;The lubricating oil storage chamber is located at two institutes State between sealing ring.
- 6. the swelling fixture according to claim 5 suitable for cover parts, it is characterised in that:The lathe revolving body is formed with the pouring orifice for connecting the lubricating oil storage chamber.
- 7. the swelling fixture according to claim 1 suitable for cover parts, it is characterised in that:The swelling fixture suitable for cover parts includes two rubber rings;It is described on the axis of rotation direction Skewback is between two rubber rings.
- 8. the swelling fixture according to claim 7 suitable for cover parts, it is characterised in that:The activity swelling part is formed with two installation grooves for installing the rubber ring.
- 9. the swelling fixture according to claim 1 suitable for cover parts, it is characterised in that:The intermediate draw bar and the active pull rod shaft are connected through a screw thread.
- 10. the swelling fixture according to claim 1 suitable for cover parts, it is characterised in that:The number of the activity swelling part is 3;Circumference of 3 activity swelling parts along the axis of rotation is uniformly distributed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711068344.6A CN107755726A (en) | 2017-11-03 | 2017-11-03 | Suitable for the swelling fixture of cover parts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711068344.6A CN107755726A (en) | 2017-11-03 | 2017-11-03 | Suitable for the swelling fixture of cover parts |
Publications (1)
Publication Number | Publication Date |
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CN107755726A true CN107755726A (en) | 2018-03-06 |
Family
ID=61273042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711068344.6A Pending CN107755726A (en) | 2017-11-03 | 2017-11-03 | Suitable for the swelling fixture of cover parts |
Country Status (1)
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CN (1) | CN107755726A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110026576A (en) * | 2019-04-01 | 2019-07-19 | 杭州泽正机械有限公司 | One kind walking the reversed mandrel swelled of scheming and connects disk |
US11179783B2 (en) | 2018-03-29 | 2021-11-23 | Schaublin Sa | Quick changeable collet clamping assembly |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB512399A (en) * | 1937-05-10 | 1939-09-01 | John Twatt Hepburn | Improvements in or relating to lathe chucks |
US20040144905A1 (en) * | 2001-09-27 | 2004-07-29 | Frank Ropertz | Fastening block for mounting objects on a profiled rail |
CN102554301A (en) * | 2012-02-12 | 2012-07-11 | 唐维刚 | Machine tool fixture for machining sleeve parts |
CN103212731A (en) * | 2013-04-01 | 2013-07-24 | 浙江欧迪恩传动科技股份有限公司 | Inner-supporting clamp of constant-velocity universal joint bell housing |
CN203380388U (en) * | 2013-07-01 | 2014-01-08 | 成都飞机工业(集团)有限责任公司 | Adjustable expanding mandrel outer circle machining fixture |
CN203448699U (en) * | 2013-03-29 | 2014-02-26 | 成都市龙泉通惠实业有限责任公司 | Expanding clamp for miniature numerical control lathe |
CN104493229A (en) * | 2014-12-25 | 2015-04-08 | 重庆创隆实业有限公司 | Fixture for finish turning of automotive pulleys |
CN204430326U (en) * | 2015-02-09 | 2015-07-01 | 郑龙燕 | A kind of double-purpose type turning attachment |
CN105728771A (en) * | 2014-12-09 | 2016-07-06 | 安徽池州家用机床股份有限公司 | Hydraulic-linked expansion clamp |
CN106271384A (en) * | 2015-06-05 | 2017-01-04 | 上海纳铁福传动系统有限公司 | Three pin shaft fork processing technique |
CN207521732U (en) * | 2017-11-03 | 2018-06-22 | 南京泉峰汽车精密技术股份有限公司 | Suitable for the swelling fixture of cover parts |
-
2017
- 2017-11-03 CN CN201711068344.6A patent/CN107755726A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB512399A (en) * | 1937-05-10 | 1939-09-01 | John Twatt Hepburn | Improvements in or relating to lathe chucks |
US20040144905A1 (en) * | 2001-09-27 | 2004-07-29 | Frank Ropertz | Fastening block for mounting objects on a profiled rail |
CN102554301A (en) * | 2012-02-12 | 2012-07-11 | 唐维刚 | Machine tool fixture for machining sleeve parts |
CN203448699U (en) * | 2013-03-29 | 2014-02-26 | 成都市龙泉通惠实业有限责任公司 | Expanding clamp for miniature numerical control lathe |
CN103212731A (en) * | 2013-04-01 | 2013-07-24 | 浙江欧迪恩传动科技股份有限公司 | Inner-supporting clamp of constant-velocity universal joint bell housing |
CN203380388U (en) * | 2013-07-01 | 2014-01-08 | 成都飞机工业(集团)有限责任公司 | Adjustable expanding mandrel outer circle machining fixture |
CN105728771A (en) * | 2014-12-09 | 2016-07-06 | 安徽池州家用机床股份有限公司 | Hydraulic-linked expansion clamp |
CN104493229A (en) * | 2014-12-25 | 2015-04-08 | 重庆创隆实业有限公司 | Fixture for finish turning of automotive pulleys |
CN204430326U (en) * | 2015-02-09 | 2015-07-01 | 郑龙燕 | A kind of double-purpose type turning attachment |
CN106271384A (en) * | 2015-06-05 | 2017-01-04 | 上海纳铁福传动系统有限公司 | Three pin shaft fork processing technique |
CN207521732U (en) * | 2017-11-03 | 2018-06-22 | 南京泉峰汽车精密技术股份有限公司 | Suitable for the swelling fixture of cover parts |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11179783B2 (en) | 2018-03-29 | 2021-11-23 | Schaublin Sa | Quick changeable collet clamping assembly |
CN110026576A (en) * | 2019-04-01 | 2019-07-19 | 杭州泽正机械有限公司 | One kind walking the reversed mandrel swelled of scheming and connects disk |
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