CN102689028A - Multipurpose four-jaw chuck - Google Patents
Multipurpose four-jaw chuck Download PDFInfo
- Publication number
- CN102689028A CN102689028A CN2011100679220A CN201110067922A CN102689028A CN 102689028 A CN102689028 A CN 102689028A CN 2011100679220 A CN2011100679220 A CN 2011100679220A CN 201110067922 A CN201110067922 A CN 201110067922A CN 102689028 A CN102689028 A CN 102689028A
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- CN
- China
- Prior art keywords
- fixing body
- thread bush
- gear shaft
- fluted disc
- nut sleeve
- Prior art date
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Abstract
The invention relates to a multipurpose four-jaw chuck, and particularly relates to a multipurpose four-jaw chuck for alignment and clamping of large-size workpieces such as a steel structure and a steel tube tower. A chuck body is included on which an installation body is disposed, and the installation body is equipped with more than two jaw mechanisms in which separation mechanisms are disposed. The multipurpose four-jaw chuck has a simple structure and strong automatic centering ability, can separately adjust irregular workpieces, and has a long service life.
Description
Technical field
Patent of the present invention relates to a kind of chuck, relates in particular to a kind of centering of large-size workpieces such as steel construction, steel tube tower and multipurpose chuck of clamping of being used for.
Background technology
Present traditional dog chuck, self-centering capability is poor, and chucking power is not enough simultaneously, only can simply feel relieved to the article of rule, can not carry out self-centering to irregular workpiece, and adaptive capacity is poor.
China applies for a patent CN201010277078.X, discloses the large-scale pipe chuck of a kind of four paws, also comprises parcel, gear, claw, first slide, second slide, block, leading screw; Parcel is fixed in the chuck body inner chamber, is connected with gear through screw, and four claws are connected with four slides respectively; Four rhizoid bars are separately positioned in four slides; Through block location, four claws through bottom thread respectively with four rhizoid bars on screw-threaded engagement, and be loaded on four slides tops respectively; Four slides respectively with the parcel screw-threaded engagement.This invents described chuck, complex structure, and only can feel relieved by regular workpiece, to irregular workpiece, can not play centering, the effect that can not do to transfer.
Summary of the invention
The present invention solves the deficiency that exists in the prior art, and a kind of structure relative compact is provided, and feels relieved when simultaneously can be to irregular workpiece and clamping workpiece eccentric, can be able to carry out a kind of multipurpose chuck of manual adjustments to single claw.
Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals:
A kind of multipurpose chuck comprises disk body, and described disk body is provided with fixing body; Be provided with the click-on mechanism more than two in the described fixing body, described click-on mechanism comprises motor, large fluted disc, bearing, gear shaft, thread bush, chuck card, guide rail, claw, nut sleeve and jaw body, is provided with motor in the described fixing body; The end of described motor is meshed with large fluted disc, cross-under sprocket drive spindle in the described fixing body, and described gear shaft is with thread bush outward; The other end of described large fluted disc is meshed with gear shaft, and described large fluted disc fixes through bearing and fixing body, and described fixing body is provided with jaw body; Described jaw body is located at the top of thread bush; Described thread bush is with nut sleeve outward, and the surface of described thread bush is provided with the external screw thread close-fitting that is meshed with nut sleeve, and the top of nut sleeve is provided with claw; Described claw and jaw body are through the guide rail slip that matches, and described jaw body is located in the chuck card
(large fluted disc has two groups of gears to utilize servomotor to be fixed on large fluted disc on the disk body through gear driven; Be respectively straight-tooth and the awl tooth) spur gear and bevel gear rotation; Large fluted disc fixes through bearing and disk body, and bevel gear drives the inside screw mandrel rotation of four click-on mechanism that are distributed on the disk body simultaneously.
Four claw inside have compound screw mandrel (gear shaft and thread bush), nut sleeve to drive claw and move simultaneously, realize the self-centering function;
Regular workpiece is positioned: when clamping rule workpiece, can use four paws interlock self-centering function.Servomotor is through the spur gear on the gear driven large fluted disc; Bevel gear on the large fluted disc drives the inner gear shaft of four claws that is distributed on the disk body simultaneously; This moment, gear shaft and thread bush were in bonding state; Gear shaft drive thread bush together the moving nut sleeve of rotating band clamp synchronously together with claw and unclamp the self-centering of implementation rule workpiece.
Irregular workpiece is positioned: when the irregular workpiece of clamping, cover idle stroke fast through the interlock mode of clamping rule workpiece, when monodactyle to be needed is adjusted; Servomotor quits work; Manually haul draw ring, when the plectrum pull-up and revolve and turn 90 degrees, plectrum slides in the flat recess of thread bush under the tension of back-moving spring; Gear shaft and thread bush are separated, and claw is motionless during the large fluted disc gear shaft.Can plug handle to thread bush, rotate thread bush separately, claw promotes workpiece and moves, the function of the chuck of chuck performance at this moment.At ordinary times, plectrum is in the operating groove under the tension of back-moving spring, sticks into simultaneously in the flat recess of gear shaft; This moment, gear shaft combined with thread bush; Thread bush drives claw and moves when the large fluted disc gear shaft, and this moment, chuck can self-centering, the function of performance scroll chuck.
For irregular workpiece, thread bush drives single claw and moves, and carries out the independent adjustment of irregular workpiece.
As preferably, described gear shaft is connected through closing the structure of disembarking with thread bush, and the described structure of disembarking that closes comprises flat recess, spring eye, back-moving spring, plectrum, draw ring and helps pull a cart; The end of described gear shaft is provided with flat recess, is provided with spring eye in the described gear shaft, is provided with in the described spring eye to be attached thereto the back-moving spring that connects; The other end and the plectrum of described back-moving spring are fixedly connected; The slotted eye of described plectrum and flat recess is complementary, and the inwall of described thread bush is provided with the rotational positioning groove, and the width of the width of described rotational positioning groove and the slotted eye of flat recess is consistent; The width of described plectrum extends in the rotational positioning groove; Be located on the described plectrum and help pull a cart, the described other end of helping pull a cart is connected with draw ring, and described thread bush extends out to outside the sidewall of fixing body; Be arranged in the outer thread bush of fixing body sidewall and be provided with operating groove, the described structure of disembarking that closes is located in the operating groove.
Closing the structure of disembarking is the mechanism of a manual adjustments in fact, when irregular workpiece is adjusted, through the operation of the involutory structure of disembarking, realizes single click-on mechanism is regulated, and realizes independent regulatory function.
As preferably; Be provided with straight-tooth and awl tooth in the described large fluted disc; The straight-tooth of described large fluted disc is meshed with the end of motor, and the end of described gear shaft is the circular cone tooth, and the awl tooth of described large fluted disc is meshed with the circular cone tooth of gear shaft end; The bottom of circular cone tooth is provided with gear-bearing in the described gear shaft, and described gear-bearing touches with fixing body mutually; Be provided with bracing frame in the described fixing body, described motor is fastened through bracing frame and fixing body; The both sides of described nut sleeve are provided with the rectangular channel that concaves, and the guide rail in the described jaw body and the rectangular channel of nut sleeve are complementary.
As preferably, be uniformly distributed with 4 click-on mechanism by four-quadrant in the described fixing body.
As preferably, described nut sleeve and claw are integrated.Integrated, make support property better, bearing strength is bigger, increases the service life.
Therefore, a kind of multipurpose chuck of the present invention, simple in structure, self-centering capability is strong, can regulate separately irregular workpiece, simultaneously long service life.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an A-A sectional structure sketch map among Fig. 1;
Fig. 3 is a C-C sectional structure sketch map among Fig. 1;
Fig. 4 is the structural representation of A portion bonding state among Fig. 3;
Fig. 5 is the plan structure sketch map of A portion bonding state among Fig. 3;
Fig. 6 is the structural representation that A partly leaves state among Fig. 3;
Fig. 7 is the plan structure sketch map that A partly leaves state among Fig. 3;
Fig. 8 is a B-B sectional structure sketch map among Fig. 2.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.Embodiment 1: like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8, a kind of multipurpose chuck comprises disk body 1; Described disk body 1 is provided with fixing body 2, is uniformly distributed with 4 click-on mechanism by four-quadrant in the described fixing body 2, and described click-on mechanism comprises motor 3, large fluted disc 4, bearing 5, gear shaft 6, thread bush 7, chuck card 8, guide rail 9, claw 10, nut sleeve 11 and jaw body 12; Be provided with motor 1 in the described fixing body 2; The end of described motor 1 is meshed with large fluted disc 4, cross-under sprocket drive spindle 6 in the described fixing body 2, the described gear shaft 6 outer thread bush 7 that are with; The other end of described large fluted disc 4 is meshed with gear shaft 6; Described large fluted disc 4 fixes through bearing 5 and fixing body 2, and described fixing body 2 is provided with jaw body 12, and described jaw body 12 is located at the top of thread bush 7; The described thread bush 7 outer nut sleeves 11 that are with; The surface of described thread bush 7 is provided with external screw thread 13 close-fitting that is meshed with nut sleeve 11, and the top of nut sleeve 11 is provided with claw 10, and described claw 10 and jaw body 12 are through guide rail 9 slip that matches; Described jaw body 12 is located in the chuck card 8, and described nut sleeve 11 is integrated with claw 10; Be provided with straight-tooth 22 and awl tooth 23 in the described large fluted disc 4; The straight-tooth 22 of described large fluted disc 4 is meshed with the end of motor 3; The end of described gear shaft 6 is a circular cone tooth 24; The awl tooth 23 of described large fluted disc 4 is meshed with the circular cone tooth 24 of gear shaft 6 ends, and the bottom of circular cone tooth 24 is provided with gear-bearing 25 in the described gear shaft 6, and described gear-bearing 25 touches with fixing body 2 mutually; Be provided with bracing frame 26 in the described fixing body 2, described motor 3 is fastened through bracing frame 26 and fixing body 2; The both sides of described nut sleeve 11 are provided with the rectangular channel 27 that concaves, and the guide rail 9 in the described jaw body 12 is complementary with the rectangular channel 27 of nut sleeve 11; Described gear shaft 6 is connected through closing the structure of disembarking with thread bush 7, and the described structure of disembarking that closes comprises flat recess 14, spring eye 15, back-moving spring 16, plectrum 17, draw ring 18 and help pull a cart 19 that the end of described gear shaft 6 is provided with flat recess 14; Be provided with spring eye 15 in the described gear shaft 6; Be provided with in the described spring eye 15 and be attached thereto the back-moving spring 16 that connects, the other end of described back-moving spring 16 and plectrum 17 are fixedly connected, and described plectrum 17 is complementary with the slotted eye of flat recess 14; The inwall of described thread bush 7 is provided with rotational positioning groove 20; The width of the slotted eye of the width of described rotational positioning groove 20 and flat recess 14 is consistent, and the width of described plectrum 17 extends in the rotational positioning groove 20, is located on the described plectrum 17 and helps pull a cart 19; Described 19 the other end of helping pull a cart is connected with draw ring 18; Described thread bush 7 extends out to outside the sidewall of fixing body 2, is arranged in the outer thread bush 7 of fixing body 2 sidewalls and is provided with operating groove 21, and the described structure of disembarking that closes is located in the operating groove 21.
Claims (5)
1. multipurpose chuck; It is characterized in that: comprise disk body (1), described disk body (1) is provided with fixing body (2), and described fixing body is provided with the click-on mechanism more than two in (2); Described click-on mechanism comprises motor (3), large fluted disc (4), bearing (5), gear shaft (6), thread bush (7), chuck card (8), guide rail (9), claw (10), nut sleeve (11) and jaw body (12); Be provided with motor (1) in the described fixing body (2), the end of described motor (1) is meshed with large fluted disc (4), cross-under sprocket drive spindle (6) in the described fixing body (2); The outer thread bush (7) that is with of described gear shaft (6); The other end of described large fluted disc (4) is meshed with gear shaft (6), and described large fluted disc (4) fixes through bearing (5) and fixing body (2), and described fixing body (2) is provided with jaw body (12); Described jaw body (12) is located at the top of thread bush (7); The outer nut sleeve (11) that is with of described thread bush (7), the surface of described thread bush (7) are provided with external screw thread (13) close-fitting that is meshed with nut sleeve (11), and the top of nut sleeve (11) is provided with claw (10); Described claw (10) and jaw body (12) are through guide rail (9) slip that matches, and described jaw body (12) is located in the chuck card (8).
2. a kind of multipurpose chuck according to claim 1; It is characterized in that: described gear shaft (6) is connected through closing the structure of disembarking with thread bush (7); The described structure of disembarking that closes comprises flat recess (14), spring eye (15), back-moving spring (16), plectrum (17), draw ring (18) and help pull a cart (19); The end of described gear shaft (6) is provided with flat recess (14), is provided with spring eye (15) in the described gear shaft (6), is provided with in the described spring eye (15) to be attached thereto the back-moving spring (16) that connects; The other end of described back-moving spring (16) and plectrum (17) are fixedly connected; Described plectrum (17) is complementary with the slotted eye of flat recess (14), and the inwall of described thread bush (7) is provided with rotational positioning groove (20), and the width of the slotted eye of the width of described rotational positioning groove (20) and flat recess (14) is consistent; The width of described plectrum (17) extends in the rotational positioning groove (20); Described plectrum is located at help pull a cart (19) on (17), and the other end of described helping pull a cart (19) is connected with draw ring (18), and described thread bush (7) extends out to outside the sidewall of fixing body (2); Be arranged in the outer thread bush (7) of fixing body (2) sidewall and be provided with operating groove (21), the described structure of disembarking that closes is located in the operating groove (21).
3. a kind of multipurpose chuck according to claim 1 and 2; It is characterized in that: be provided with straight-tooth (22) and awl tooth (23) in the described large fluted disc (4); The straight-tooth (22) of described large fluted disc (4) is meshed with the end of motor (3); The end of described gear shaft (6) is circular cone tooth (24); The awl tooth (23) of described large fluted disc (4) is meshed with the circular cone tooth (24) of gear shaft (6) end, and the bottom of circular cone tooth (24) is provided with gear-bearing (25) in the described gear shaft (6), and described gear-bearing (25) touches with fixing body (2) mutually; Be provided with bracing frame (26) in the described fixing body (2), described motor (3) is fastened through bracing frame (26) and fixing body (2); The both sides of described nut sleeve (11) are provided with the rectangular channel (27) that concaves, and the guide rail (9) in the described jaw body (12) is complementary with the rectangular channel (27) of nut sleeve (11).
4. a kind of multipurpose chuck according to claim 1 and 2 is characterized in that: be uniformly distributed with 4 click-on mechanism by four-quadrant in the described fixing body (2).
5. a kind of multipurpose chuck according to claim 1 and 2 is characterized in that: described nut sleeve (11) is integrated with claw (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100679220A CN102689028A (en) | 2011-03-19 | 2011-03-19 | Multipurpose four-jaw chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100679220A CN102689028A (en) | 2011-03-19 | 2011-03-19 | Multipurpose four-jaw chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102689028A true CN102689028A (en) | 2012-09-26 |
Family
ID=46854856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100679220A Pending CN102689028A (en) | 2011-03-19 | 2011-03-19 | Multipurpose four-jaw chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102689028A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110576200A (en) * | 2019-09-23 | 2019-12-17 | 李彦双 | Multifunctional four-jaw chuck for machine tool |
-
2011
- 2011-03-19 CN CN2011100679220A patent/CN102689028A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Xinchengxiang Electromechanical Technology Co., Ltd., Hangzhou Document name: Notification of before Expiration of Request of Examination as to Substance |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120926 |