CN208528545U - A kind of rotary pulling-down chuck - Google Patents
A kind of rotary pulling-down chuck Download PDFInfo
- Publication number
- CN208528545U CN208528545U CN201820836229.2U CN201820836229U CN208528545U CN 208528545 U CN208528545 U CN 208528545U CN 201820836229 U CN201820836229 U CN 201820836229U CN 208528545 U CN208528545 U CN 208528545U
- Authority
- CN
- China
- Prior art keywords
- bearing
- boss
- connecting rod
- chuck
- medium
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of rotary pulling-down chucks, comprising: revolution swivel, connector, hollow housing, bearing, connecting rod, rotor and flexible chuck matrix；The first end of the revolution swivel is arranged in the connector；The second end of the revolution swivel is arranged in the hollow housing；The connecting rod setting is in revolution swivel；The rotor is set on the connecting rod；The bearing is set between the rotor and the inner wall of the revolution swivel；It is contacted in the middle part of the connecting rod and the flexible chuck matrix.The utility model solves the low and bulky technical problem of centering precision in the prior art, realizes stable holding and technical effect small in size.
Description
Technical field
The utility model relates to clamp art more particularly to a kind of rotary pulling-down chucks.
Background technique
On current precision machine tool, generally use with accurate chuck flexible, the disadvantage is that in use process
In, due to movable jaw abrasion and reduce centering precision, and it is still necessary to a kind of hydraulic motors as power source for chuck, thus lead
Cause its huge structure.
Utility model content
The utility model solves that centering precision in the prior art is low and volume by providing a kind of rotary pulling-down chuck
Big technical problem realizes stable holding and technical effect small in size.
The utility model provides a kind of rotary pulling-down chuck, comprising: revolution swivel, connector, hollow housing, axis
It holds, connecting rod, rotor and flexible chuck matrix；The first end of the revolution swivel is arranged in the connector；The hollow housing
The second end of the revolution swivel is set；The connecting rod setting is in revolution swivel；The rotor is set in the company
On bar；The bearing is set between the rotor and the inner wall of the revolution swivel；The connecting rod and the flexible chuck base
The middle part of body contacts.
Further, the flexible chuck matrix is disc structure；There is boss in the middle part of the disc structure；Described
The axial centre of disc structure and the boss offers through-hole；Go out on the disc structure and the boss from the through-hole
Hair radially offers through slot；It is contacted in the middle part of the connecting rod and the disc structure.
Further, the through slot is uniformly opened up along the circumferential direction of the disc structure and the boss.
Further, further includes: limit stop ring；There is cavity structure in the hollow housing；There is boss on the connecting rod
Structure；The boss structure is located in the cavity structure；The limit stop ring is set on the connecting rod, and is located at the sky
In cavity configuration.
Further, the bearing includes: first bearing and second bearing；The inner wall of the revolution swivel has boss；Institute
State the first end that first bearing is set in the rotor；The first end of the first bearing is contacted with the connector, and described
First end in contact of the second end of one bearing and the boss；The second bearing is set in the second end of the rotor；It is described
The first end of second bearing is contacted with the hollow housing, the second termination of the second end of the second bearing and the boss
Touching.
Further, further includes: medium output device；There is first medium to be passed through channel and second on revolution swivel
Medium is passed through channel；The first medium output end of the medium output device is passed through channel with the first medium and is connected to；It is described
The second medium output end of medium output device is passed through channel with the second medium and is connected to.
Further, the medium output device is high pressure gas output device or highly pressurised liquid output device.
Further, the connector is rotary flange.
The one or more technical solutions provided in the utility model, have at least the following technical effects or advantages:
By the application to flexible chuck matrix, the amount for deforming chuck in deformation process is micro.When inside is living
Plug is pushed ahead when the inner ring of chuck end face being made to protrude outward deformation, and the end face of chuck matrix is presented the state an of bulge and beats
Angle of release degree is less than 180 °.It for chuck, forms an extended line and axle center is constant, thus not only increase centering
Precision, and clamping stability is also improved, to improve clamp precision, clamping operation is not by the shadow of operator's technical level
It rings, and can quick-clamping and control.In addition, being used as power source by using revolution swivel, the straight line transmitting of power is avoided, thus
Reduce volume.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of rotary pulling-down chuck provided by the embodiment of the utility model；
Fig. 2 is the Section A-A figure of Fig. 1；
Fig. 3 is the main view of flexible chuck matrix 6 in rotary pulling-down chuck provided by the embodiment of the utility model；
Fig. 4 is the Section A-A figure of Fig. 3；
Fig. 5 is the right view of flexible chuck matrix 6 in rotary pulling-down chuck provided by the embodiment of the utility model；
Fig. 6 is the section B-B figure of Fig. 5；
Wherein, 1- revolution swivel, 2- connector, 3- hollow housing, 4- connecting rod, 5- rotor, 6- stretch chuck matrix, and 7- is limited
Position retaining ring, 8- first bearing, 9- second bearing, 10- first medium are passed through channel, and 11- second medium is passed through channel, 12- sealing
Circle, 13- disc structure, 14- boss, 15- through-hole, 16- through slot.
Specific embodiment
It is low to solve centering precision in the prior art by providing a kind of rotary pulling-down chuck for the utility model embodiment
With bulky technical problem, stable holding and technical effect small in size are realized.
The technical scheme in the embodiment of the utility model is to solve the above problems, general thought is as follows:
By the application to flexible chuck matrix, the amount for deforming chuck in deformation process is micro.When inside is living
Plug is pushed ahead when the inner ring of chuck end face being made to protrude outward deformation, and the end face of chuck matrix is presented the state an of bulge and beats
Angle of release degree is less than 180 °.It for chuck, forms an extended line and axle center is constant, thus not only increase centering
Precision, and clamping stability is also improved, to improve clamp precision, clamping operation is not by the shadow of operator's technical level
It rings, and can quick-clamping and control.In addition, being used as power source by using revolution swivel, the straight line transmitting of power is avoided, thus
Reduce volume.
Above-mentioned technical proposal in order to better understand, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Referring to Fig. 1 and Fig. 2, rotary pulling-down chuck provided by the embodiment of the utility model, comprising: revolution swivel 1, connection
Part 2, hollow housing 3, bearing, connecting rod 4, rotor 5 and flexible chuck matrix 6；The first end of revolution swivel 1 is arranged in connector 2；
The second end of revolution swivel 1 is arranged in hollow housing 3；The setting of connecting rod 4 is in revolution swivel 1；Rotor 5 is set on connecting rod 4；Axis
Bearing sleeve is located between rotor 5 and the inner wall of revolution swivel 1；Connecting rod 4 is contacted with the middle part of flexible chuck matrix 6.
Referring to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the structure of flexible chuck matrix 6 is specifically described, stretch chuck matrix 6
For disc structure 13；There is boss 14 at the middle part of disc structure 13；It is offered in the axial centre of disc structure 13 and boss 14
Through-hole 15；Through slot 16 is radially offered from through-hole 15s on disc structure 13 and boss 14；Connecting rod 4 and disk knot
The middle part of structure 13 contacts.
In the present embodiment, through slot 16 is uniformly opened up along the circumferential direction of disc structure 13 and boss 14.
The structure of the utility model embodiment is specifically described, further includes: limit stop ring 7；Have in hollow housing 3
Cavity structure；There is boss structure on connecting rod 4；Boss structure is located in cavity structure；Limit stop ring 7 is set on connecting rod 4, and position
In cavity structure.
The structure of the utility model embodiment is further described, bearing includes: first bearing 8 and second bearing 9；
The inner wall of revolution swivel 1 has boss；First bearing 8 is set in the first end of rotor 5；The first end and connector 2 of first bearing 8
Contact, the second end of first bearing 8 and the first end in contact of boss；Second bearing 9 is set in the second end of rotor 5；Second axis
It holds 9 first end to contact with hollow housing 3, the second end of second bearing 9 and the second end in contact of boss.
The structure of the utility model embodiment is further explained, further includes: medium output device；Turn in revolution
Have that first medium is passed through channel 10 and second medium is passed through channel 11 on body 1；The first medium output end of medium output device with
First medium is passed through the connection of channel 10；The second medium output end of medium output device is passed through channel 11 with second medium and is connected to.
In the present embodiment, medium output device is high pressure gas output device or highly pressurised liquid output device.
In order to reinforce the leakproofness of the utility model embodiment, further includes: sealing ring 12；Sealing ring 12 is arranged in hollow shell
The junction of body 3 and revolution swivel 1；The first end of second bearing 9 is contacted with sealing ring 12.
In the present embodiment, connector 2 is rotary flange.
The working principle of the utility model embodiment is illustrated:
Medium output device is passed through channel 10 to first medium and is passed through medium, makes connecting rod 4 towards the side of flexible chuck matrix 6
To movement, thrust is applied to the middle part of the disc structure 13 of flexible chuck matrix 6.Through slot 16 in disc structure 13 is in thrust
Effect is lower to open, and expands central through hole 15, can clamp at this time to workpiece.Medium output device is passed through logical to second medium
Road 11 is passed through medium, and connecting rod 4 is made to be directed away from the direction movement of flexible chuck matrix 6, the thrust being applied on disc structure 13
It disappears.Through slot 16 in disc structure 13 is closed, and retracts central through hole 15, completes the clamping to workpiece.
[technical effect]
1, by the application to flexible chuck matrix, the amount for deforming chuck in deformation process is micro.Work as inside
Piston is pushed ahead when the inner ring of chuck end face being made to protrude outward deformation, the end face of chuck matrix present a bulge state and
Open angle is less than 180 °.It for chuck, forms an extended line and axle center is constant, thus not only increase and determine
Heart precision, and clamping stability is also improved, to improve clamp precision, clamping operation is not by operator's technical level
It influences, and can quick-clamping and control.In addition, being used as power source by using revolution swivel, the straight line transmitting of power is avoided, because
And reduce volume.
2, through slot 16 is uniformly opened up along the circumferential direction of disc structure 13 and boss 14, further improves the utility model implementation
The clamping stability of example.
3, by the use to sealing ring 12, the leakproofness of the utility model embodiment is strengthened.
The utility model embodiment is improved for the defect of existing product, has positioning accuracy height, firm grip, knot
The advantages that structure is compact, light-weight, small in size.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (8)
1. a kind of rotary pulling-down chuck characterized by comprising revolution swivel, connector, hollow housing, bearing, connecting rod,
Rotor and flexible chuck matrix；The first end of the revolution swivel is arranged in the connector；The hollow housing is arranged in institute
State the second end of revolution swivel；The connecting rod setting is in revolution swivel；The rotor is set on the connecting rod；It is described
Bearing is set between the rotor and the inner wall of the revolution swivel；It is connect in the middle part of the connecting rod and the flexible chuck matrix
Touching.
2. pulling-down chuck as described in claim 1, which is characterized in that the flexible chuck matrix is disc structure；Described
There is boss in the middle part of disc structure；Through-hole is offered in the axial centre of the disc structure and the boss；In the disk
Through slot is radially offered from the through-hole in structure and the boss；In the connecting rod and the disc structure
Portion's contact.
3. pulling-down chuck as claimed in claim 2, which is characterized in that the through slot is along the disc structure and the boss
It is circumferential uniformly to open up.
4. pulling-down chuck as described in claim 1, which is characterized in that further include: limit stop ring；Have in the hollow housing
Cavity structure；There is boss structure on the connecting rod；The boss structure is located in the cavity structure；The limit stop ring is arranged
On the connecting rod, and it is located in the cavity structure.
5. pulling-down chuck as described in claim 1, which is characterized in that the bearing includes: first bearing and second bearing；Institute
The inner wall for stating revolution swivel has boss；The first bearing is set in the first end of the rotor；The first of the first bearing
End is contacted with the connector, the first end in contact of the second end of the first bearing and the boss；The second bearing set
It is located at the second end of the rotor；The first end of the second bearing is contacted with the hollow housing, and the of the second bearing
Second end in contact at two ends and the boss.
6. pulling-down chuck as described in claim 1, which is characterized in that further include: medium output device；It is turned in the revolution
On have that first medium is passed through channel and second medium is passed through channel；The first medium output end of the medium output device with it is described
First medium is passed through channel connection；The second medium output end and the second medium of the medium output device are passed through channel company
It is logical.
7. pulling-down chuck as claimed in claim 6, which is characterized in that the medium output device is high pressure gas output device
Or highly pressurised liquid output device.
8. such as pulling-down chuck of any of claims 1-7, which is characterized in that the connector is rotary flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820836229.2U CN208528545U (en) | 2018-05-31 | 2018-05-31 | A kind of rotary pulling-down chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820836229.2U CN208528545U (en) | 2018-05-31 | 2018-05-31 | A kind of rotary pulling-down chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208528545U true CN208528545U (en) | 2019-02-22 |
Family
ID=65380955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820836229.2U Expired - Fee Related CN208528545U (en) | 2018-05-31 | 2018-05-31 | A kind of rotary pulling-down chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208528545U (en) |
-
2018
- 2018-05-31 CN CN201820836229.2U patent/CN208528545U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190222 Termination date: 20200531 |