CN208758641U - A kind of shockproof chuck of high-precision - Google Patents
A kind of shockproof chuck of high-precision Download PDFInfo
- Publication number
- CN208758641U CN208758641U CN201821322874.9U CN201821322874U CN208758641U CN 208758641 U CN208758641 U CN 208758641U CN 201821322874 U CN201821322874 U CN 201821322874U CN 208758641 U CN208758641 U CN 208758641U
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- China
- Prior art keywords
- expansion set
- chuck
- connector
- fixed block
- tapered surface
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- 239000007937 lozenge Substances 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 description 7
- 210000000078 claw Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- Gripping On Spindles (AREA)
Abstract
The utility model belongs to chuck technical field, discloses a kind of shockproof chuck of high-precision, in order to solve the problems, such as that existing chuck is easy to happen vibration under high-speed motion.The utility model includes for the ring flange with driving axis connection, ring flange is connected with the fixed block for connecting with chuck body, connector is provided on the fixed block, connector is provided with tapered surface, the taper expansion set being mutually clamped in the chuck body with the tapered surface of connector, taper expansion set is set on the tapered surface of connector, end face close to the taper expansion set of fixed block side is connected with annular retaining ring, the block for accommodating annular retaining ring is provided on the fixed block, the sliding space for annular retaining ring sliding is provided in block, the chuck body of taper expansion set periphery is between fixed block by together with multiple high strength exploitations.
Description
Technical field
The utility model belongs to chuck technical field, and in particular to a kind of shockproof chuck of high-precision.
Background technique
Chuck is the mechanical device for being used to clamp workpiece on lathe.Utilize the radial direction for the movable jaw being evenly arranged on chuck body
It is mobile, the machine tool accessories of Workpiece clamping and positioning.Chuck is generally by 3 part of chuck body, movable jaw and claw driving mechanism
Composition.Minimum 65 millimeters of chuck body diameter, maximum up to 1500 millimeters, there is through-hole in center, will pass through workpiece or bar;Back
There is cylindrical or short taper profile structure in portion, is connected directly or by ring flange and machine tool chief axis end.Chuck is typically mounted on vehicle
It uses, can also cooperate on bed, cylindrical grinder and internal grinder with various indexing means, be used for milling machine and drilling machine.
It is more about the technical literature of chuck in the prior art, such as application No. is 201720744015.8 utility models
Patent discloses a kind of chuck comprising the fixing seat and disk body of chuck placed vertically, the disk body of chuck are fixed on described solid
In reservation, it is characterised in that: the center point of the disk body of chuck is equipped with mutually perpendicular solid with plane where the disk body of chuck
Dead axle, axis connection has a sliding bearing in the fixing axle, the lateral wall of the sliding bearing be circumferentially uniformly provided with protrude from it is described
The fixing piece of sliding bearing, the fixing piece are connected with several clamping mechanisms, and the clamping mechanism is mutually butted on the fixing piece
Between the inner sidewall of coiled material, the clamping mechanism includes arc head clamp and several are connected to the fixing piece and the arc
Clamping adjusting rod between shape head clamp.
In another example application No. is 201720945541.0 utility model patents to disclose a kind of chuck, support base, work are included
Part seat, telescoping cylinder, clamping device, telescoping cylinder are arranged below the support base, and the workseat is arranged in the clamping machine
Above structure, it is characterized in that: the clamping device includes connector, three gripping mechanisms, the gripping mechanism is circumferentially uniformly arranged
On the support base, the connector lower end connects the telescoping cylinder, above hinged three gripping mechanisms, the card
Tight device includes connecting rod, the first rack gear, the second rack gear, gear and fixture block, the hinged connector in described connecting rod one end, separately
Hinged first rack gear in one end, first rack gear, second rack gear be oppositely arranged on the gear two sides and with it is described
Gear engagement, second rack gear connect fixture block.
Application No. is the utility model patents for 201721391587.9 to disclose a kind of chuck, rack；Chuck body, setting
In being provided with perforative through-hole in the rack, the chuck body；Multiple claws are set on the surface of the chuck body simultaneously ring
Circumferentially it is arranged around the through-hole, the clamping part of the claw stretches out the chuck body surface and abuts with the surface of workpiece, so that
The rear end face of the workpiece is located in the through-hole；Driving assembly, each claw are correspondingly connected with a driving component,
For driving the claw moving radially along the through-hole.
However existing chuck mostly connects in such a way that key or bolt are directly connected to, however this method of clamping by
In the uneven of stress, the problem of high-speed motion lower chuck is easy to happen vibration.
Utility model content
The utility model provides a kind of high to solve the problems, such as that existing chuck is easy to happen vibration under high-speed motion
The shockproof chuck of precision, realize chuck and drive shaft without key connection, the uniformity of stress when improving chuck connection, and then prevent
The case where shaking under high-speed motion finally improves machining accuracy.
In order to solve the technical problem, the technical scheme adopted by the utility model is
A kind of shockproof chuck of high-precision, including for driving axis connection ring flange, ring flange be connected with for card
The fixed block of disk ontology connection, which is characterized in that connector is provided on the fixed block, connector is provided with tapered surface, institute
The taper expansion set being mutually clamped in chuck body with the tapered surface of connector is stated, taper expansion set is set in the tapered surface of connector
On, the end face close to the taper expansion set of fixed block side is connected with annular retaining ring, is provided on the fixed block for accommodating annular
The block of retaining ring, is provided with the sliding space for annular retaining ring sliding in block, the chuck body of taper expansion set periphery with consolidate
Determine to pass through multiple high strength exploitations together between block.
The fixed block is between ring flange by together with multiple high strength exploitations.
The taper expansion set includes the first expansion set and the second expansion set, and the inside of first expansion set is mutually blocked with connector
It closes, annular retaining ring is connected to one end of the first expansion set, and the periphery of the first expansion set is provided with tapered surface, the tapered surface of the first expansion set
Periphery is arranged with the second expansion set, and the second expansion set is fixedly connected with chuck body.
Second expansion set is provided with the lozenges being mutually clamped with the tapered surface of connector, and the end of connector passes through the
The inside of one expansion set engages with the lozenges of the second expansion set.
Compared with prior art, the utility model has the following beneficial effects:
In use, fixed block passes through flange column and driving axis connection to the shockproof chuck of the utility model high-precision first
Together, it is then mutually adapted by the tapered surface of connector and taper expansion set, is connected between chuck body and fixed block in bolt
During connecing, the tapered surface and taper expansion set of connector, which constantly squeeze, generates pressure, so that between chuck body and fixed block
It realizes without key connection, since the structure of taper expansion set and the structure of connector design, so that between fixed block and chuck body
Connection is more uniformly stressed, so that the vibration under reducing high speed rotation, achievees the purpose that improve machining accuracy.
The taper expansion set of the utility model includes the first expansion set and the second expansion set, passes through the knot of the first expansion set and the second expansion set
Structure design, so that between fixed block and chuck body when connected by screws, between the first expansion set and the second expansion set certainly
It is dynamic to be adjusted, it prevents when connecting screw, the case where the first expansion set and the second expansion set tilt, and then further mention
The uniformity of height connection stress, reduces the vibration of high-speed line.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of another embodiment of the taper expansion set of the utility model；
Marked in the figure: 1, ring flange, 2, fixed block, 3, chuck body, 4, connector, 5, taper expansion set, 51, first is swollen
Set, the 52, second expansion set, 53, lozenges, 6, annular retaining ring, 7, retaining ring.
Specific embodiment
Below with reference to embodiment, the utility model will be further described, and described embodiment is only that this is practical new
Type a part of the embodiment is not whole embodiment.Based on the embodiments of the present invention, the ordinary skill people of this field
Member's other embodiments used obtained without making creative work, belong to the protection model of the utility model
It encloses.
In conjunction with attached drawing, the shockproof chuck of the high-precision of the utility model, including for the ring flange 1 with driving axis connection, method
Blue disk 1 is connected with the fixed block 2 for connecting with chuck body 3, wherein being used as a kind of preferred mode of the utility model, flange
It is connected by high-strength bolts between disk 1 and fixed block 2 together, connector 4 is provided on the fixed block 2, connector 4 is set
It is equipped with tapered surface, the taper expansion set 5 being mutually clamped in the chuck body 3 with the tapered surface of connector 4, taper expansion set 5 is arranged
On the tapered surface of connector 4, the end face close to the taper expansion set 5 of 2 side of fixed block is connected with annular retaining ring 6, the fixed block 2
On be provided with block 7 for accommodating annular retaining ring 6, the sliding space slided for annular retaining ring 6, cone are provided in block 7
The chuck body 3 of 5 periphery of shape expansion set is between fixed block 2 by together with multiple high strength exploitations.
In use, fixed block passes through flange column and driving axis connection to the shockproof chuck of the utility model high-precision first
Together, it is then mutually adapted by the tapered surface of connector and taper expansion set, is connected between chuck body and fixed block in bolt
During connecing, the tapered surface and taper expansion set of connector, which constantly squeeze, generates pressure, so that between chuck body and fixed block
It realizes without key connection, since the structure of taper expansion set and the structure of connector design, so that between fixed block and chuck body
Connection is more uniformly stressed, so that the vibration under reducing high speed rotation, achievees the purpose that improve machining accuracy.
As another preferred mode of the utility model, the taper expansion set 5 includes the first expansion set 51 and the second expansion set 52,
The inside of first expansion set 51 is mutually clamped with connector 4, and annular retaining ring 6 is connected to one end of the first expansion set 51, and first is swollen
The periphery of set 51 is provided with tapered surface, and the periphery of the tapered surface of the first expansion set 51 is arranged with the second expansion set 52, the second expansion set 52 with
Chuck body 3 is fixedly connected.
Second expansion set 52 is provided with the lozenges 53 being mutually clamped with the tapered surface of connector 4, the end of connector 4
Inside across the first expansion set 51 engages with the lozenges 53 of the second expansion set 52.
The taper expansion set of the utility model includes the first expansion set and the second expansion set, passes through the knot of the first expansion set and the second expansion set
Structure design, so that between fixed block and chuck body when connected by screws, between the first expansion set and the second expansion set certainly
It is dynamic to be adjusted, it prevents when connecting screw, the case where the first expansion set and the second expansion set tilt, and then further mention
The uniformity of height connection stress, reduces the vibration of high-speed line.
More than, only the utility model preferred embodiment, not to the utility model in any form with substantial limit
System, it is noted that for those skilled in the art, under the premise of not departing from the utility model method, will also
Several improvement and supplement can be made, these are improved and supplement also should be regarded as the protection scope of the utility model.It is all that be familiar with sheet special
The technical staff of industry, in the case where not departing from the spirit and scope of the utility model, when using disclosed above technology
Content and the equivalent variations of a little variation, modification and evolution made, are the equivalent embodiment of the utility model；Meanwhile it is all
Substantial technological according to the utility model is to the variation, modification and evolution of any equivalent variations made by above-described embodiment, still
Belong in the range of the technical solution of the utility model.
Claims (4)
1. a kind of shockproof chuck of high-precision, including for the ring flange with driving axis connection, ring flange, which is connected with, to be used for and chuck
The fixed block of ontology connection, which is characterized in that connector is provided on the fixed block, connector is provided with tapered surface, described
The taper expansion set being mutually clamped in chuck body with the tapered surface of connector, taper expansion set are set on the tapered surface of connector,
End face close to the taper expansion set of fixed block side is connected with annular retaining ring, is provided on the fixed block for accommodating annular retaining ring
Block, the sliding space for annular retaining ring sliding, the chuck body and fixed block of taper expansion set periphery are provided in block
Between by multiple high strength exploitations together.
2. the shockproof chuck of high-precision according to claim 1, which is characterized in that pass through between the fixed block and ring flange
Multiple high strength exploitations are together.
3. the shockproof chuck of high-precision according to claim 1 or 2, which is characterized in that the taper expansion set includes first swollen
Set and the second expansion set, the inside of first expansion set are mutually clamped with connector, and annular retaining ring is connected to one end of the first expansion set,
The periphery of first expansion set is provided with tapered surface, and the periphery of the tapered surface of the first expansion set is arranged with the second expansion set, the second expansion set and card
Disk ontology is fixedly connected.
4. the shockproof chuck of high-precision according to claim 3, which is characterized in that second expansion set is provided with and connector
The lozenges that is mutually clamped of tapered surface, the end of connector passes through the inside of the first expansion set and the lozenges card of the second expansion set
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821322874.9U CN208758641U (en) | 2018-08-16 | 2018-08-16 | A kind of shockproof chuck of high-precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821322874.9U CN208758641U (en) | 2018-08-16 | 2018-08-16 | A kind of shockproof chuck of high-precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208758641U true CN208758641U (en) | 2019-04-19 |
Family
ID=66132037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821322874.9U Active CN208758641U (en) | 2018-08-16 | 2018-08-16 | A kind of shockproof chuck of high-precision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208758641U (en) |
-
2018
- 2018-08-16 CN CN201821322874.9U patent/CN208758641U/en active Active
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