CN208033701U - A kind of claw can single action pivoting support four paws self-centering chuck - Google Patents
A kind of claw can single action pivoting support four paws self-centering chuck Download PDFInfo
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- CN208033701U CN208033701U CN201820472355.4U CN201820472355U CN208033701U CN 208033701 U CN208033701 U CN 208033701U CN 201820472355 U CN201820472355 U CN 201820472355U CN 208033701 U CN208033701 U CN 208033701U
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- chuck
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Abstract
The utility model discloses a kind of claw can single action pivoting support four paws self-centering chuck, belong to machining tool clamp.The claw of the utility model can single action four paws self-centering chuck, a kind of claw of the utility model can single action pivoting support four paws self-centering chuck, four symmetrical claw I including chuck body and in chuck body, four claw I respectively with a screw rod I engaged transmission, the end of screw rod I is mounted on first bevel gear, and the center of the chuck body is equipped with the second bevel gear engaged with aforementioned four first bevel gear.Self centering requirement when pivoting support positions can both have been met using the chuck of the utility model, while also disclosure satisfy that demand of the different specification size pivoting support to clamping force size.
Description
Technical field
The invention belongs to mechanical production devices tooling and fixture technical field, more specifically to one kind for turning round branch
Hold the four paws fixture of equal round pieces positioning.
Background technology
Pivoting support is a kind of large size bearing that can bear combined load, can bear larger axial, radial direction simultaneously
Load and tilting moment.Pivoting support, using very extensively, is known as in real industry：" joint of machine " is two objects
Need to make opposite rotary motion between body, but need to bear simultaneously axial force, radial load, tilting moment machinery necessary to important biography
Dynamic component.With the rapid development of machinery industry, pivoting support ship equipment, engineering machinery, light industry and machinery, metallurgical machinery,
The industries such as medical machinery, industrial machinery are widely used.
Pivoting support, which needs to use fixture in mechanical processing process, to be positioned, existing universal fixturing mainly have vice,
Scroll chuck, chuck etc..Wherein, existing self-centering chuck is generally scroll chuck, but its clamping force is smaller, in clamping
Shape irregular part or when accessory size is larger, is susceptible to not clamping situation.Four-jaw chuck full name is lathe
With manual four-jaw chuck, be by a disk body, four lead screws, vice card pawl composition.It is by four leading screws when work
Four paws is driven respectively, therefore can be by adjusting four paws position, the various rectangles of clamping, irregular workpiece, each claw
It can move alone, be suitable for clamping eccentric element and irregular shape part, be therefore widely used in center lathe, economical
Numerically controlled lathe, grinding machine, milling machine, drilling machine and dividing head revolving platform etc..
But it is self-centering due to that can not carry out using above-mentioned existing four-jaw chuck in clamping pivoting support, it needs
It consumes and is corrected for a long time for part.Through retrieval, it is public to have related patents about the chuck with Self-centering Action
It opens.
Such as, Chinese Patent Application No. is：201410034354.8 the applying date is：On January 24th, 2014, innovation and creation name
Referred to as：A kind of novel flexible chuck, the chuck of this application, including chuck body, wire tray, four engaged with wire tray
Bevel pinion, four be distributed in 90 degree angles and be arranged on chuck body and joined by the linkage claw that wire tray drives, four settings
Block, four lead screws, four sliding claws, the sliding claw coordinate with lead screw in steering on dynamic claw, and the lead screw is in
In steering in the arc groove of block, the baffle ring for being fixed on block in turning to limits the upward movement of screw axis, further includes four worm screws, four
A worm gear, four inverted T-shape countersunk head polished rods with through-hole.The chuck of this application not only realizes existing flexible four paws
The institute of chuck is functional, but also can realize linkage function in any case, but its structure design is complex.
Utility model content
1. utility model technical problems to be solved
It is existing above insufficient when being positioned to pivoting support using existing chuck it is an object of the invention to overcome, it carries
For a kind of claw can single action pivoting support four paws self-centering chuck.Can both it be expired using the chuck of the utility model
Self centering requirement when sufficient pivoting support positioning, while also disclosure satisfy that different specification size pivoting support to clamping force size
Demand.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model is：
A kind of claw of the utility model can single action pivoting support four paws self-centering chuck, including chuck body and position
In four claw I symmetrical in chuck body, four claw I respectively with a screw rod I engaged transmission, the end of screw rod I
Portion is mounted on first bevel gear, and the center of the chuck body is equipped with engaged with aforementioned four first bevel gear second
Bevel gear.
Further, the center of the chuck body is equipped with expansion set, and expansion set center is equipped with mandrel, and described second
Bevel gear is installed on the top of mandrel.
Further, the second bevel gear is installed on by deep groove ball bearing on mandrel.
Further, between the inner ring and mandrel of the deep groove ball bearing and outer ring and second of deep groove ball bearing
It is interference fit between bevel gear.
Further, screw rod II is mounted in the claw I, and the surfaces claw I are correspondingly provided with and are engaged with screw rod II
The claw II of transmission.
Further, the chuck body with storage tank corresponding with screw rod I, screw rod II is machined on claw I, and
The top of screw rod I storage tanks and screw rod II storage tanks is correspondingly provided with the sliding slot for claw I, claw II movements respectively.
Further, the sliding slot on the chuck body and claw I is processed as I-shape construction.
Further, the screw rod I, be machined with rectangular thread on screw rod II excircles, and claw I and claw I
Bottom surface is machined with and the matched screw thread of above-mentioned rectangular thread respectively.
Further, the medial surface of the claw I and claw II is equipped with wear-resistant protective layer.
3. advantageous effect
Using technical solution provided by the utility model, compared with prior art, have the advantages that：
(1) a kind of claw of the utility model can single action pivoting support four paws self-centering chuck, including chuck body
And four symmetrical claws I, four claw I carry out driving shifting by a screw rod I drive respectively in chuck body
Dynamic, the utility model installs one by being respectively provided with first bevel gear in the end of each screw rod I at the center of chuck body
The second bevel gear engaged with aforementioned four bevel gear, therefore need to only rotate a screw rod, you can drive four equal edges claw I
Its slideway, which synchronizes, to be moved, and realizes the self-centering of pivoting support positioning, and disclosure satisfy that different size pivoting support simultaneously
Demand to clamping force.
(2) a kind of claw of the utility model can single action pivoting support four paws self-centering chuck, the chuck body
Center expansion set is installed, expansion set center is equipped with mandrel, and the second bevel gear is installed on the top of mandrel, which sets
Meter is simple, and can ensure the stability of pivoting support positioning, prevents to shake.
(3) a kind of claw of the utility model can single action pivoting support four paws self-centering chuck, in the claw I
Screw rod II is installed, and the surfaces claw I are correspondingly provided with the claw II with screw rod II engaged transmissions, by distinguishing above-mentioned screw rod II
Movement driving is carried out, so as to realize the single action control of claw II, meets the location requirement of certain irregular products, and be convenient for
Compensate the abrasion of claw.
Description of the drawings
Fig. 1 be the utility model a kind of claw can single action four paws self-centering chuck front view.
Fig. 2 be the utility model a kind of claw can single action four paws self-centering chuck vertical view.
Label declaration in schematic diagram：
1, chuck body；2, screw rod I；3, claw I；4, claw II；5, screw rod II；6, first bevel gear；7, the second cone tooth
Wheel；8, mandrel；9, deep groove ball bearing；10, expansion set.
Specific implementation mode
To further appreciate that the content of the utility model, the utility model is made in conjunction with the drawings and specific embodiments detailed
Description.
Embodiment 1
In conjunction with Fig. 1, Fig. 2, a kind of claw of the present embodiment can single action pivoting support four paws self-centering chuck, including card
Disk ontology 1 and symmetrical four claw I 3 in chuck body 1, four claw I 3 respectively with a screw rod I 2
Engaged transmission, the end of screw rod I 2 are mounted on first bevel gear 6, and the center of the chuck body 1 is equipped with and aforementioned four
The second bevel gear 7 that first bevel gear 6 engages.Pivoting support is positioned using the four paws self-centering chuck of the present embodiment
When, only it need to rotate a screw rod I, you can drive four claw I to be synchronized along its slideway and moved, it is fixed to realize pivoting support
Position it is self-centering, and disclosure satisfy that demand of the different size pivoting support to clamping force simultaneously.
Specifically, the center of chuck body 1 is equipped with expansion set 10 in the present embodiment, 10 center of expansion set is equipped with mandrel 8, institute
The second bevel gear 7 stated passes through the top that deep groove ball bearing 9 is installed on mandrel 8, and the inner ring of deep groove ball bearing 9 and mandrel 8
Between and the outer ring and second bevel gear 7 of deep groove ball bearing 9 between be interference fit.It is helped by said structure design
In the stability for ensureing pivoting support positioning, prevent to shake.
Embodiment 2
A kind of claw of the present embodiment can single action pivoting support four paws self-centering chuck, the substantially same embodiment of structure
1, difference essentially consists in：Screw rod II 5 is mounted in four claw I 3 of the present embodiment, and 3 surfaces claw I correspond to and set
There is the claw II 4 with 5 engaged transmissions of screw rod II.By carrying out movement driving respectively to above-mentioned screw rod II, so as to realize
The single action of claw II controls, and meets the location requirement of certain irregular products, and convenient for the abrasion of compensation claw.
In the present embodiment chuck body 1 with storage tank corresponding with screw rod I2, screw rod II 5 is machined on claw I3, and
Screw rod I storage tanks and the top of screw rod II storage tanks are correspondingly provided with the sliding slot moved for claw I 3, claw II 4 respectively, above-mentioned
Sliding slot is processed as I-shape construction.Screw rod I 2 in the present embodiment, it is machined with rectangular thread on 5 excircles of screw rod II, and
The bottom surface of claw I 3 and claw I 3 are machined with and the matched screw thread of above-mentioned rectangular thread respectively.Meanwhile claw I 3 and claw
The medial surface of II 4 is also equipped with wear-resistant protective layer, to help to prevent the influence because of claw dimension wears to locating effect.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in also be the utility model one of embodiment, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (9)
1. a kind of claw can single action pivoting support four paws self-centering chuck, it is characterised in that：Including chuck body (1) and position
In four claw I (3) symmetrical in chuck body (1), which engages biography with a screw rod I (2) respectively
Dynamic, the end of screw rod I (2) is mounted on first bevel gear (6), and the center of the chuck body (1) is equipped with and aforementioned four
The second bevel gear (7) that first bevel gear (6) engages.
2. a kind of claw according to claim 1 can single action pivoting support four paws self-centering chuck, it is characterised in that：
The center of the chuck body (1) is equipped with expansion set (10), and expansion set (10) center is equipped with mandrel (8), the described second cone tooth
Wheel (7) is installed on the top of mandrel (8).
3. a kind of claw according to claim 2 can single action pivoting support four paws self-centering chuck, it is characterised in that：
The second bevel gear (7) is installed on by deep groove ball bearing (9) on mandrel (8).
4. a kind of claw according to claim 3 can single action pivoting support four paws self-centering chuck, it is characterised in that：
Between the inner ring and mandrel (8) of the deep groove ball bearing (9) and the outer ring of deep groove ball bearing (9) and second bevel gear (7) it
Between be interference fit.
5. a kind of claw according to any one of claim 1-4 can single action pivoting support four paws self-centering chuck,
It is characterized in that：It is mounted on screw rod II (5) in the claw I (3), and claw I (3) surface is correspondingly provided with and screw rod II (5)
The claw II (4) of engaged transmission.
6. a kind of claw according to any one of claim 5 can single action pivoting support four paws self-centering chuck,
It is characterized in that：The chuck body (1) with storage tank corresponding with screw rod I (2), screw rod II (5) is machined on claw I (3),
And the top of screw rod I storage tanks and screw rod II storage tanks is correspondingly provided with respectively for claw I (3), claw II (4) mobile sliding slot.
7. a kind of claw according to any one of claim 6 can single action pivoting support four paws self-centering chuck,
It is characterized in that：Sliding slot on the chuck body (1) and claw I (3) is processed as I-shape construction.
8. a kind of claw according to any one of claim 6 can single action pivoting support four paws self-centering chuck,
It is characterized in that：Rectangular thread, and claw I (3) and claw I (3) are machined on the screw rod I (2), screw rod II (5) excircle
Bottom surface be machined with respectively and the matched screw thread of above-mentioned rectangular thread.
9. according to a kind of claw of claim 8 any one of them can single action pivoting support four paws self-centering chuck, it is special
Sign is：The medial surface of the claw I (3) and claw II (4) are equipped with wear-resistant protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820472355.4U CN208033701U (en) | 2018-03-30 | 2018-03-30 | A kind of claw can single action pivoting support four paws self-centering chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820472355.4U CN208033701U (en) | 2018-03-30 | 2018-03-30 | A kind of claw can single action pivoting support four paws self-centering chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208033701U true CN208033701U (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820472355.4U Active CN208033701U (en) | 2018-03-30 | 2018-03-30 | A kind of claw can single action pivoting support four paws self-centering chuck |
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| CN109261410A (en) * | 2018-11-27 | 2019-01-25 | 成都环龙智能机器人有限公司 | Control During Paint Spraying by Robot work station |
| CN109351996A (en) * | 2018-11-20 | 2019-02-19 | 慈溪市奥菱机床附件有限公司 | A kind of scroll chuck with zipper function |
| CN109648411A (en) * | 2019-01-22 | 2019-04-19 | 马鞍山市粤美金属制品科技实业有限公司 | A kind of rotating disc type bearing machining inner ring equipment for grinding and method for grinding |
| CN109676170A (en) * | 2019-02-15 | 2019-04-26 | 大同宇林德石墨设备股份有限公司 | A kind of fixture facilitating processing eccentric orfice |
| CN109974906A (en) * | 2019-03-15 | 2019-07-05 | 广西电网有限责任公司桂林供电局 | A kind of plum blossom fingertip spring compression force checking device |
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| CN110181305A (en) * | 2019-06-06 | 2019-08-30 | 西北工业大学 | A kind of automatic capturing rotary table |
| CN110238777A (en) * | 2019-07-19 | 2019-09-17 | 李自存 | A kind of annular workpieces fixture for processing |
| CN110576200A (en) * | 2019-09-23 | 2019-12-17 | 李彦双 | Multifunctional four-jaw chuck for machine tool |
| CN110756837A (en) * | 2019-11-08 | 2020-02-07 | 苏州新派特信息科技有限公司 | Four-jaw chuck clamp for high-precision numerical control machine tool |
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| CN112318053A (en) * | 2020-10-28 | 2021-02-05 | 毛晓鹏 | Be used for air compressor machine jar body welded to assemble location frock |
| CN112620839A (en) * | 2020-12-16 | 2021-04-09 | 沈阳工程学院 | Large-size multi-axis linkage electrolytic machining tool casting support |
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| CN109351996B (en) * | 2018-11-20 | 2020-04-03 | 慈溪市奥菱机床附件有限公司 | Three-jaw chuck with zipper function |
| CN109351996A (en) * | 2018-11-20 | 2019-02-19 | 慈溪市奥菱机床附件有限公司 | A kind of scroll chuck with zipper function |
| CN109261410A (en) * | 2018-11-27 | 2019-01-25 | 成都环龙智能机器人有限公司 | Control During Paint Spraying by Robot work station |
| CN109261410B (en) * | 2018-11-27 | 2023-12-22 | 成都环龙智能机器人有限公司 | Robot spraying workstation |
| CN109648411A (en) * | 2019-01-22 | 2019-04-19 | 马鞍山市粤美金属制品科技实业有限公司 | A kind of rotating disc type bearing machining inner ring equipment for grinding and method for grinding |
| CN109676170A (en) * | 2019-02-15 | 2019-04-26 | 大同宇林德石墨设备股份有限公司 | A kind of fixture facilitating processing eccentric orfice |
| CN109974906A (en) * | 2019-03-15 | 2019-07-05 | 广西电网有限责任公司桂林供电局 | A kind of plum blossom fingertip spring compression force checking device |
| CN110000584A (en) * | 2019-05-27 | 2019-07-12 | 吉林大学 | A kind of intersection Bevel Gear Transmission, worm and gear self-locking bidirectional transverse alignment fixture |
| CN110000584B (en) * | 2019-05-27 | 2024-04-12 | 吉林大学 | Cross bevel gear transmission, worm gear self-locking bidirectional centering clamp |
| CN110181305A (en) * | 2019-06-06 | 2019-08-30 | 西北工业大学 | A kind of automatic capturing rotary table |
| CN110238777A (en) * | 2019-07-19 | 2019-09-17 | 李自存 | A kind of annular workpieces fixture for processing |
| CN110576200A (en) * | 2019-09-23 | 2019-12-17 | 李彦双 | Multifunctional four-jaw chuck for machine tool |
| CN110576200B (en) * | 2019-09-23 | 2020-10-02 | 盐城青松机械制造有限公司 | Multifunctional four-jaw chuck for machine tool |
| CN110756837A (en) * | 2019-11-08 | 2020-02-07 | 苏州新派特信息科技有限公司 | Four-jaw chuck clamp for high-precision numerical control machine tool |
| CN112025465A (en) * | 2020-09-01 | 2020-12-04 | 铁美珍 | Pneumatic cylinder jar mouth grinding device with prevent skew structure |
| CN111854669B (en) * | 2020-09-24 | 2021-06-08 | 索特传动设备有限公司 | Slewing bearing raceway contour detection device |
| CN111854669A (en) * | 2020-09-24 | 2020-10-30 | 索特传动设备有限公司 | Slewing bearing raceway contour detection device |
| CN112318053A (en) * | 2020-10-28 | 2021-02-05 | 毛晓鹏 | Be used for air compressor machine jar body welded to assemble location frock |
| CN112620839A (en) * | 2020-12-16 | 2021-04-09 | 沈阳工程学院 | Large-size multi-axis linkage electrolytic machining tool casting support |
| CN112620839B (en) * | 2020-12-16 | 2023-11-14 | 沈阳工程学院 | Casting support of large-size multi-axis linkage electrolytic machining machine tool |
| CN112719986A (en) * | 2020-12-25 | 2021-04-30 | 深圳市钜人数控设备有限公司 | Workpiece clamping mechanism for CNC (computer numerical control) machining center |
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