CN208788079U - A kind of pneumatic inner hole elastic fixing device - Google Patents
A kind of pneumatic inner hole elastic fixing device Download PDFInfo
- Publication number
- CN208788079U CN208788079U CN201821702396.4U CN201821702396U CN208788079U CN 208788079 U CN208788079 U CN 208788079U CN 201821702396 U CN201821702396 U CN 201821702396U CN 208788079 U CN208788079 U CN 208788079U
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- CN
- China
- Prior art keywords
- inner hole
- spring pocket
- taper
- hole
- clamping part
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- Expired - Fee Related
Links
- 230000008961 swelling Effects 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims description 7
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 238000003754 machining Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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- Gripping On Spindles (AREA)
Abstract
The utility model discloses a kind of pneumatic inner hole elastic fixing devices, including the flange seat being connected on numerically-controlled machine tool, spring pocket and swelling device, the flange seat includes the ring flange of integral structure, positive stop lug boss and taper clamping part, the spring pocket is socketed in taper clamping part outer circle, arc groove is offered in the middle part of the excircle of spring pocket, and its outside diameter and workpiece are adapted, the tapered surface of inner hole and taper clamping part and swelling device matches, through-hole is offered on the flange seat central axis, swelling device is socketed on spring pocket inner hole, it is connect also cross through-hole with numerically-controlled machine tool pull rod, it is pulled back by numerically-controlled machine tool pull rod, swelling device is driven to make spring pocket swelling, workpiece is fixed, its structure is simple, it is low in cost, it is time saving and energy saving to install, it is convenient and efficient, stability is good after swelling, together Axis degree is high, and workpiece will not be slided or be fallen off, while will not crush workpiece, practical.
Description
Technical field
The utility model relates to a kind of pneumatic inner hole elastic fixing devices, belong to part processing positioning tool, field of fixtures.
Background technique
Currently, in the processing of many set tubing thin-wall workpieces, by its outer surface of CNC Lathe Turning, to thin-wall workpiece
Outer shape precision, concentricity, the conical surface bounce etc. parameter requests it is higher when, mostly use rigid central spindle's class fixture clamping, process
When rigid central spindle's class fixture is through in the axis hole of thin-wall workpiece, positioned with its internal surface of hole, but such fixture is rigid
Property mandrel be gap-matched and installed with inner hole of workpiece, positioning accuracy is low, so that its machining accuracy, concentricity and the conical surface are jumped
It is dynamic to be difficult to reach processing request；And existing rigid central spindle's class fixture clamping is difficult, occasionally there are insufficient clamping force, causes to cut
The problem of skidding when cutting not only makes part machining accuracy low, causes workpiece to scrap when serious, causes material resources and financial losses, and
And production efficiency is low, artificial intensity is big.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of this pneumatic inner hole elastic fixing device, can overcome existing
There is the deficiency of technology.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions: a kind of pneumatic inner hole bullet
Property fixed device, it is fixed for covering tubing clamping workpiece, including the flange seat being connected on numerically-controlled machine tool, spring pocket and swelling
Device, the flange seat include the ring flange, positive stop lug boss and taper clamping part of integral structure, and the spring pocket is socketed in taper
In clamping part outer circle, arc groove is offered in the middle part of the excircle of the spring pocket, and its outside diameter and workpiece are adapted,
The tapered surface of inner hole and taper clamping part and swelling device matches, and offers through-hole on the flange seat central axis, swollen
Tight device is socketed on spring pocket inner hole, is connect also cross through-hole with numerically-controlled machine tool pull rod.
Aforementioned spring pocket is made of spring steel.
Aforementioned swelling device includes that taper thousand draws top, attachment screw and connecting leg, and the through-hole on the flange seat axis is rank
Terraced hole, the taper thousand are drawn top and are socketed in the stepped hole of taper clamping part, and tube sleeve is in separate taper clamping part
On stepped hole, it is equipped with screw thread at connecting leg inner hole both ends, the attachment screw, which runs through after taper thousand draws top, passes through screw thread and connecting leg
One end is connected through a screw thread, and the connecting leg other end is connect with numerically-controlled machine tool pull rod screw.
Aforementioned taper thousand draws the guide rod and conical head that top includes integral structure, and the guide rod outer diameter and flange seat lean on
The stepped hole of nearly taper clamping part is adapted；The tapered surface of the conical head is adapted with spring pocket inner hole.
Limiting groove is equipped in the installation end Middle face of foregoing flange disk.
Compared with the prior art, the utility model discloses a kind of pneumatic inner hole elastic fixing device, including flange seat, spring
Set and swelling device, the flange seat include the ring flange, positive stop lug boss and taper clamping part of integral structure, and the ring flange is used
In being connected in the device on numerically controlled lathe plane spindle flange；Installation of the positive stop lug boss for workpiece limits, the cone
Installation of the shape clamping part for workpiece is fixed, and spring pocket is socketed in taper clamping part outer circle, in the flange seat central axis
Through-hole is offered on line, swelling device is socketed on spring pocket inner hole, is connect, is passed through with numerically-controlled machine tool pull rod also cross through-hole
Numerically-controlled machine tool pull rod is pulled back, and swelling device is driven to expand spring pocket under the stress of tapered direction, can be work
Part is fixed.
The utility model structure is simple, low in cost, realizes automation swelling installation by numerically-controlled machine tool pull rod, is not required to
Manual hand manipulation is wanted, it is time saving and energy saving to install, and convenient and efficient, stability is good after swelling, and workpiece will not be slided or be fallen off, and adopts simultaneously
Workpiece will not be crushed with elastic swelling mode；And this installation guarantees that concentricity is high, can effectively improve the machining accuracy of workpiece,
It is practical.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model reality.
Fig. 2 is the structural schematic diagram of spring pocket in Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe:
As shown in Figure 1, a kind of pneumatic inner hole elastic fixing device, the clamping that it is used to cover tubing workpiece 7 is fixed, including solid
The flange seat 1 being connected on numerically-controlled machine tool, spring pocket 2 and swelling device, the flange seat include the ring flange 11 of integral structure, limit
Position boss 12 and taper clamping part 13, the ring flange 11 matches with numerically controlled lathe plane spindle flange, in ring flange 11
Installation end Middle face is equipped with limiting groove 111, realizes and is co-axially mounted in guarantee installation process, and bolt peace is offered on ring flange 11
Hole 112 is filled, ring flange 11 is quick installed on numerically controlled lathe plane spindle flange by bolt；The taper clamping
Spring pocket 2 is socketed in 13 outer circle of portion, the spring pocket 2 is made of spring steel, offers arc groove in the middle part of its excircle
21, guarantee its stress make both ends arcuately groove 21 realize elastic bending, carry out swelling, and the outside diameter of spring pocket 2 and
Workpiece 7 is adapted, and the tapered surface of inner hole and taper clamping part 13 and swelling device matches, in 1 central axis of flange seat
On offer through-hole, the swelling device is socketed in the inner hole of spring pocket 2, is connected also cross through-hole and numerically-controlled machine tool pull rod 6
It connects, the swelling device is used for the swelling of spring pocket 2, and the swelling device includes that taper thousand draws top 3, attachment screw 4 and connecting leg
5, the taper thousand draw top 3 include integral structure guide rods 31 and conical head 32, and the tapered surface of the conical head 32 with
2 inner hole of spring pocket is adapted, and the through-hole on 1 axis of flange seat is stepped hole, and the taper thousand is drawn outside the guide rod 31 on top 3
Diameter is adapted with the stepped hole of the close taper clamping part of flange seat 1, and guide rod 31 is made to be socketed in the rank close to taper clamping part
In terraced hole, connecting leg 5 is socketed on the stepped hole far from taper clamping part, is equipped with screw thread, the taper at 5 inner hole both ends of connecting leg
Thousand draw top central axis offer with the matched countersunk head through-hole of attachment screw 4, attachment screw 4 through taper thousand draw top 3 after passes through
Screw thread is connected through a screw thread with 5 one end of connecting leg, and 5 other end of connecting leg is threadedly coupled fixation with numerically-controlled machine tool pull rod 6；The connection
Screw 4 is soket head cap screw, can be interfered to avoid in installation process with other parts.
The numerically-controlled machine tool pull rod 6 is pneumatic pull rod or oil pressure pull rod, is configured, is passed through with specific reference to numerically-controlled machine tool
When pneumatic or oil pressure is stretched backward, pull rod 6, connecting leg 7 and attachment screw 4 is driven to move backward, and then taper thousand is driven to draw
Top 3 makes spring pocket 2 in the stress of tapered direction, and making 2 both ends of spring pocket, arcuately groove 21 realizes elastic bending, thus workpiece
7 is fixed.
Specific assembly method are as follows: connecting leg 5 is connect with numerically-controlled machine tool pull rod 6 first, the stepped hole of ring flange 11 is socketed
It on connecting leg 5, and is fixed on numerically controlled lathe plane spindle flange, wherein real by connecting leg 5, limiting groove 111
Now it is co-axially mounted；Spring pocket 2 is socketed on taper clamping part 13 again, thousand is then installed and draws top 3 and with 4 fix tightly of attachment screw
It leans on；Workpiece 7 is socketed on spring pocket 2 again；Finally start numerically-controlled machine tool, pulls back its pull rod 6, and then swelling spring
Set realizes work piece.
Claims (5)
1. a kind of pneumatic inner hole elastic fixing device, it is fixed for covering tubing clamping workpiece, including is connected on numerically-controlled machine tool
Flange seat, spring pocket and swelling device, it is characterised in that: the flange seat includes the ring flange of integral structure, positive stop lug boss
With taper clamping part, the spring pocket is socketed in taper clamping part outer circle, offers arc in the middle part of the excircle of the spring pocket
Connected in star, and its outside diameter and workpiece are adapted, and the tapered surface of inner hole and taper clamping part and swelling device matches,
Through-hole is offered on the flange seat central axis, swelling device is socketed on spring pocket inner hole, also cross through-hole and numerical control
The connection of lathe pull rod.
2. pneumatic inner hole elastic fixing device according to claim 1, it is characterised in that: the spring pocket is by spring steel
At.
3. pneumatic inner hole elastic fixing device according to claim 1, it is characterised in that: the swelling device includes taper
Thousand draw top, attachment screw and connecting leg, the through-hole on the flange seat axis be stepped hole, the taper thousand draw top be socketed in it is close
In the stepped hole of taper clamping part, tube sleeve is equipped on the stepped hole far from taper clamping part at connecting leg inner hole both ends
Screw thread, the attachment screw through taper thousand draw top after is connected through a screw thread by screw thread and connecting leg one end, the connecting leg other end and
The connection of numerically-controlled machine tool pull rod screw.
4. pneumatic inner hole elastic fixing device according to claim 3, it is characterised in that: it includes one that the taper thousand, which draws top,
The guide rod and conical head of body structure, the guide rod outer diameter are adapted with the stepped hole of the close taper clamping part of flange seat；
The tapered surface of the conical head is adapted with spring pocket inner hole.
5. pneumatic inner hole elastic fixing device according to claim 1, it is characterised in that: in the installation end of the ring flange
Middle face is equipped with limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821702396.4U CN208788079U (en) | 2018-10-20 | 2018-10-20 | A kind of pneumatic inner hole elastic fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821702396.4U CN208788079U (en) | 2018-10-20 | 2018-10-20 | A kind of pneumatic inner hole elastic fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208788079U true CN208788079U (en) | 2019-04-26 |
Family
ID=66212177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821702396.4U Expired - Fee Related CN208788079U (en) | 2018-10-20 | 2018-10-20 | A kind of pneumatic inner hole elastic fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208788079U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015057A (en) * | 2018-10-20 | 2018-12-18 | 贵州航铄工业股份有限公司 | A kind of pneumatic inner hole elastic fixing device |
| CN111230147A (en) * | 2020-03-04 | 2020-06-05 | 浙江宏利汽车零部件股份有限公司 | Lathe for processing retainer |
| CN116833684A (en) * | 2023-07-13 | 2023-10-03 | 四川川润液压润滑设备有限公司 | Preparation process and tool of precise ram |
-
2018
- 2018-10-20 CN CN201821702396.4U patent/CN208788079U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015057A (en) * | 2018-10-20 | 2018-12-18 | 贵州航铄工业股份有限公司 | A kind of pneumatic inner hole elastic fixing device |
| CN111230147A (en) * | 2020-03-04 | 2020-06-05 | 浙江宏利汽车零部件股份有限公司 | Lathe for processing retainer |
| CN116833684A (en) * | 2023-07-13 | 2023-10-03 | 四川川润液压润滑设备有限公司 | Preparation process and tool of precise ram |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 550014 1st floor, building 4, group B3, phase I standard workshop, shawen eco tech Industrial Park, Guiyang National High tech Industrial Development Zone, Guiyang City, Guizhou Province Patentee after: Guizhou Hangcheng Industrial Co.,Ltd. Address before: 550014 room B204, auxiliary building of standardized workshop, Jinyang science and Technology Industrial Park, national high tech Zone, Guiyang City, Guizhou Province Patentee before: GUIZHOU HANGSHUO INDUSTRY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190426 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |