CN104001952A - Centrifugal three-jaw self-centering chuck - Google Patents
Centrifugal three-jaw self-centering chuck Download PDFInfo
- Publication number
- CN104001952A CN104001952A CN201410164636.XA CN201410164636A CN104001952A CN 104001952 A CN104001952 A CN 104001952A CN 201410164636 A CN201410164636 A CN 201410164636A CN 104001952 A CN104001952 A CN 104001952A
- Authority
- CN
- China
- Prior art keywords
- centrifugal
- disk body
- jaw
- connecting rod
- parcel
- 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.)
- Granted
Links
- 210000004907 gland Anatomy 0.000 claims abstract description 13
- 210000000078 claw Anatomy 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/14—Chucks with simultaneously-acting jaws, whether or not also individually adjustable involving the use of centrifugal force
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses a centrifugal three-jaw self-centering chuck. The centrifugal three-jaw self-centering chuck comprises a chuck body and a gland which is fixedly connected to the side face of the chuck body, wherein the gland is connected with a pull rod; three claws which are distributed uniformly are arranged on the other side face of the chuck body; a centrifugal driving mechanism and a clamping mechanism for driving the three claws to move are arranged on the inner side of the chuck body; the centrifugal driving mechanism comprises a connecting rod; the inner end of the connecting rod is connected to the end face of a bump on the inner side of the chuck body through a connecting rod shaft; the outer end of the connecting rod is connected with a pin shaft through a pin shaft key; a centrifugal block is arranged at one end of the pin shaft; the clamping mechanism comprises coiled wire which sleeves the bump on the inner side of the chuck body; an opening is formed in the coiled wire; the other end of the pin shaft is inserted into the opening; a first planar thread is formed on the side face of the coiled wire; a long port is formed in the chuck body, and a sliding base is matched in the long port; a second planar thread which is matched with the first planar thread is formed on one side face of the sliding base; the sliding base is fixedly connected with the claws; one end of a pressure spring is fixed to the inner side of the chuck body, and the other end of the pressure spring is pressed against the coiled wire. The centrifugal three-jaw self-centering chuck has the advantages of simple structure, saving of time and labor, and low cost.
Description
Technical field
The present invention relates to a kind of chuck of machined clamping workpiece, especially a kind of centrifugal three-jaw self-centering chuck.
Background technology
In existing parcel type three-jaw self-centering chuck, be conventionally divided into two kinds: respectively: manually three-jaw self-centering chuck; Electric three-jaw self-centering chuck.Existing two kinds of three-jaw self-centering chucks, although have advantages of that self-centering clamps, because the characteristic of self is determined, manual three-jaw self-centering chuck, consume the muscle power that operator is very large in use, cannot reach the object that reduces labour intensity; Electric three-jaw self-centering chuck in use, although reached the object that reduces labour intensity, be equipped with corresponding transmission device and motor, complex structure, and cost is high.
For existing problem in above-mentioned prior art, a kind of novel centrifugal three-jaw self-centering chuck of research and design, is very necessary thereby overcome existing problem in prior art.
Summary of the invention
The technical problem that the present invention solves be to provide a kind of simple in structure, when application in, is time saving and energy saving, without the centrifugal three-jaw self-centering chuck that is equipped with drive motors, low cost of manufacture, to overcome the deficiencies in the prior art.
Technical solution of the present invention is as follows: comprise disk body and the gland that is fixedly connected on disk body side, be connected with pull bar on gland, be provided with three equally distributed jaws in the another side of disk body; Be provided with centrifugal driving mechanism and drive three clamp mechanism that jaw moves in disk body inner side; Described centrifugal driving mechanism comprises connecting rod, and the inner termination of connecting rod is connected to the protruding end face of disk body inner side by pitman shaft, and the external end head of connecting rod is connected with bearing pin by bearing pin key, in one end of bearing pin, centrifugal-block is housed; Described clamp mechanism comprises the parcel in the projection that is sleeved on disk body inner side, is provided with opening on parcel, and the other end of described bearing pin inserts in described opening; The side of parcel is provided with the first flat thread, is provided with long mouthful on disk body, in long mouthful, is furnished with slide, and slide one side is provided with the second flat thread matching with the first flat thread, and described slide is fixedly connected with described jaw; One end of stage clip is fixed on disk body inner side, and the other end of stage clip is pressed against on described parcel.
Described centrifugal driving mechanism is three groups and is along the circumferential direction uniformly distributed; Between described slide and jaw, faying face is that comb-tooth-type is intermeshing and fastening by jaw mounting screw; In disk body, be provided with three equally distributed collision blocks.
Centrifugal three-jaw self-centering chuck of the present invention, be connected to by pull bar on the main shaft of lathe, when machine tool chief axis drives gland and disk body to rotate, because inside is connected with centrifugal-block by connecting rod, make bearing pin press to parcel, parcel is rotated with respect to disk body, now the pressure of stage clip is overcome, order about with slide the growing in mouth on disk body of the second flat thread and slide by the first flat thread simultaneously, drive three jaws to move, the object that reaches clamping work pieces or unclamp workpiece simultaneously.Chucking power by centrifugal formation clamps workpiece, and jaw action is also ordered about in not only self-centering voluntarily, and overall structure is simple, without special drive motors is set, has reduced manufacturing cost, time saving and energy saving.
Brief description of the drawings
Fig. 1 is the structural representation of the specific embodiment of the invention, i.e. A-A cross-sectional schematic shown in Fig. 3;
Fig. 2 is that schematic diagram is looked on the right side shown in Fig. 1;
Fig. 3 is that schematic diagram is looked on the left side shown in Fig. 1;
Fig. 4 is the structural representation of the gland shown in Fig. 1;
Fig. 5 is the B-B cross-sectional schematic shown in Fig. 6;
Fig. 6 is the schematic rear view shown in Fig. 4;
Fig. 7 is the structural representation of the disk body shown in Fig. 1;
Fig. 8 is the C-C cross-sectional schematic shown in Fig. 9;
Fig. 9 is that schematic diagram is looked on the left side shown in Fig. 8;
Figure 10 is the structural representation of the centrifugal-block shown in Fig. 1;
Figure 11 is the schematic top plan view shown in Figure 10;
Figure 12 is the structural representation of the connecting rod shown in Fig. 1;
Figure 13 is the E-E cross-sectional schematic shown in Figure 12;
Figure 14 is the structural representation of the bearing pin shown in Fig. 1;
Figure 15 is the schematic top plan view shown in Figure 14;
Figure 16 is the D-D cross-sectional schematic shown in Figure 14;
Figure 17 is the elevational schematic view shown in Figure 18;
Figure 18 is the structural representation of the jaw shown in Fig. 1;
Figure 19 is the schematic top plan view shown in Figure 18;
Figure 20 is the local enlarged diagram at the M place shown in Figure 18;
Figure 21 is that schematic diagram is looked on the left side shown in Figure 18;
Figure 22 is the elevational schematic view shown in Figure 23;
Figure 23 is the structural representation of the slide shown in Fig. 1;
Figure 24 is the schematic top plan view shown in Figure 23;
Figure 25 is that schematic diagram is looked on the left side shown in Figure 23;
Figure 26 is the local enlarged diagram in N place shown in Figure 23;
Figure 27 is the structural representation of the parcel shown in Fig. 1;
Figure 28 is that schematic diagram is looked on the left side shown in Figure 27;
Figure 29 is the structural representation of the collision block shown in Fig. 1;
Figure 30 is the schematic top plan view shown in Figure 29.
Detailed description of the invention
As shown in Figure 1, 2, 3: 4 is disk body, the 3rd, be fixedly connected on the gland of disk body 4 sides by interior trip bolt 16 and outer trip bolt 22, interior trip bolt 16 and outer trip bolt 22 distribute along even circumferential.Disk body 4 and gland 3 all have centre bore, so that the insertion of shaft-like workpiece.Multiple pull bars 1 that distribute along even circumferential are threaded on gland 3.When installation, be connected with the main shaft of lathe by pull bar 1.The jackscrew 2 that has been threaded on gland 3, so that dismounting.
Are furnished with three equally distributed jaws 15 in the another side of disk body 4.
Be provided with centrifugal driving mechanism in disk body 4 inner sides and drive three clamp mechanism that jaw 15 moves.
As shown in Fig. 1,4～16: centrifugal driving mechanism comprises connecting rod 7, the inner termination of connecting rod 7 is connected to the end face of the projection 23 of disk body 4 inner sides by pitman shaft 13, be that connecting rod 7 can rotate with respect to pitman shaft 13, one end of pitman shaft 13 is inserted in the end-face hole of disk body 4 middle part projections 23, and the other end of pitman shaft 13 is in cantilever position.The external end head of connecting rod 7 is fixedly connected with on bearing pin 8 by bearing pin key 6, is installed with centrifugal-block 5 in one end of bearing pin 8 by bearing pin key 6.Above-mentioned centrifugal driving mechanism is three groups and is along the circumferential direction uniformly distributed.
As shown in Fig. 1,17～28: clamp mechanism comprises the parcel 20 in the projection 23 that is sleeved on disk body 4 inner sides, is provided with radial opening 24 on parcel 20.The other end of bearing pin 8 inserts in opening 24.The side of parcel 20 is processed with the first flat thread 25.On disk body 4, be provided with long mouthful 26, in long mouthful 26, be furnished with slide 18, slide 18 can be in long mouthful 26 interior slips.Slide 18 1 sides are processed with the second flat thread 27 matching with the first flat thread 25.Between slide 18 and jaw 15, be fixedly connected with, between slide 18 and jaw 15, faying face is that comb-tooth-type is intermeshing and fastening by jaw mounting screw 17, is furnished with jaw key 19 simultaneously.
One end of stage clip 12 is fixed on disk body 4 inner sides by pull-out piece spring screw 11, and the other end of stage clip 12 is pressed against on parcel 20.
As shown in Fig. 1,29,30: be provided with three equally distributed collision blocks 21 in disk body 4.
As shown in Fig. 1,28: be processed with a hole 29 at the periphery of parcel 20, be processed with and stir arcuate socket 28 at the periphery of disk body 4, the outside of disk body 4 is set with guard ring 9.
Centrifugal three-jaw self-centering chuck of the present invention, be connected to by pull bar 1 on the main shaft of lathe, when machine tool chief axis drives gland 3 and disk body 4 to rotate, because inside is connected with centrifugal-block 5 by connecting rod 7, make bearing pin 8 press to parcel 20, parcel 20 is rotated with respect to disk body 4, now the pressure of stage clip 12 is overcome, order about the long mouthful 26 interior slips on disk body 4 of slide 18 with the second flat thread 27 by the first flat thread 25 simultaneously, drive three jaws 15 to move, the object that reaches clamping work pieces or unclamp workpiece simultaneously.Chucking power by centrifugal formation clamps workpiece, and not only self-centering, also orders about voluntarily jaw 15 and move, and overall structure is simple, without special drive motors is set, has reduced manufacturing cost, time saving and energy saving.
Claims (2)
1. a centrifugal three-jaw self-centering chuck, comprises disk body (4) and is fixedly connected on the gland (3) of disk body (4) side, is connected with pull bar (1) on gland (3), is provided with three equally distributed jaws (15) in the another side of disk body (4);
It is characterized in that: be provided with centrifugal driving mechanism and drive the mobile clamp mechanism of three jaws (15) in disk body (4) inner side;
Described centrifugal driving mechanism comprises connecting rod (7), the inner termination of connecting rod (7) is connected to the end face of the projection (23) of disk body (4) inner side by pitman shaft (13), the external end head of connecting rod (7) is connected with bearing pin (8) by bearing pin key (6), in one end of bearing pin (8), centrifugal-block (5) is housed;
Described clamp mechanism comprises the parcel (20) in the projection (23) that is sleeved on disk body (4) inner side, is provided with opening (24) on parcel (20), and the other end of described bearing pin (8) inserts in described opening (24); The side of parcel (20) is provided with the first flat thread (25), on disk body (4), be provided with long mouthful (26), in Chang Kou (26), is furnished with slide (18), slide (18) one sides are provided with the second flat thread (27) matching with the first flat thread (25), and described slide (18) is fixedly connected with described jaw (15);
One end of stage clip (12) is fixed on disk body (4) inner side, and the other end of stage clip (12) is pressed against on described parcel (20).
2. centrifugal three-jaw self-centering chuck according to claim 1, is characterized in that: described centrifugal driving mechanism is three groups and is along the circumferential direction uniformly distributed; Between described slide (18) and jaw (15), faying face is that comb-tooth-type is intermeshing and fastening by jaw mounting screw (17); In disk body (4), be provided with three equally distributed collision blocks (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410164636.XA CN104001952B (en) | 2014-04-23 | 2014-04-23 | Centrifugal three-jaw self-centering chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410164636.XA CN104001952B (en) | 2014-04-23 | 2014-04-23 | Centrifugal three-jaw self-centering chuck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104001952A true CN104001952A (en) | 2014-08-27 |
| CN104001952B CN104001952B (en) | 2017-01-04 |
Family
ID=51363018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410164636.XA Expired - Fee Related CN104001952B (en) | 2014-04-23 | 2014-04-23 | Centrifugal three-jaw self-centering chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104001952B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772493A (en) * | 2015-03-24 | 2015-07-15 | 浙江大学 | External centrifugal force compensating mechanism for chuck |
| CN110497312A (en) * | 2019-08-24 | 2019-11-26 | 浙江华泰电子有限公司 | A kind of automatic heart carrier |
| CN114226778A (en) * | 2022-02-28 | 2022-03-25 | 科华控股股份有限公司 | Self-centering chuck capable of laterally clamping and working method thereof |
| CN114535354A (en) * | 2022-02-21 | 2022-05-27 | 杭州华光焊接新材料股份有限公司 | Extrusion wire coiling tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54117980A (en) * | 1978-02-17 | 1979-09-13 | Roehm Guenter H | Chuck |
| US4314706A (en) * | 1979-05-07 | 1982-02-09 | Cushman Industries, Incorporated | Chucks of constant jaw force |
| CN201357239Y (en) * | 2009-03-12 | 2009-12-09 | 吴淼东 | Automatic clamping chuck |
| US20100139462A1 (en) * | 2007-04-27 | 2010-06-10 | Moser Mechanik | Centering bushing for centering material bars |
| CN103056408A (en) * | 2013-02-20 | 2013-04-24 | 江苏省宿迁市方圆机械有限公司 | Three-jaw centrifugal force self-centering chuck |
| CN203875365U (en) * | 2014-04-23 | 2014-10-15 | 大连华根精密机床有限公司 | Centrifugal three-jaw self-centering chuck |
-
2014
- 2014-04-23 CN CN201410164636.XA patent/CN104001952B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54117980A (en) * | 1978-02-17 | 1979-09-13 | Roehm Guenter H | Chuck |
| US4314706A (en) * | 1979-05-07 | 1982-02-09 | Cushman Industries, Incorporated | Chucks of constant jaw force |
| US20100139462A1 (en) * | 2007-04-27 | 2010-06-10 | Moser Mechanik | Centering bushing for centering material bars |
| CN201357239Y (en) * | 2009-03-12 | 2009-12-09 | 吴淼东 | Automatic clamping chuck |
| CN103056408A (en) * | 2013-02-20 | 2013-04-24 | 江苏省宿迁市方圆机械有限公司 | Three-jaw centrifugal force self-centering chuck |
| CN203875365U (en) * | 2014-04-23 | 2014-10-15 | 大连华根精密机床有限公司 | Centrifugal three-jaw self-centering chuck |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772493A (en) * | 2015-03-24 | 2015-07-15 | 浙江大学 | External centrifugal force compensating mechanism for chuck |
| CN110497312A (en) * | 2019-08-24 | 2019-11-26 | 浙江华泰电子有限公司 | A kind of automatic heart carrier |
| CN114535354A (en) * | 2022-02-21 | 2022-05-27 | 杭州华光焊接新材料股份有限公司 | Extrusion wire coiling tool |
| CN114535354B (en) * | 2022-02-21 | 2024-06-07 | 杭州华光焊接新材料股份有限公司 | Extruded wire coil tooling |
| CN114226778A (en) * | 2022-02-28 | 2022-03-25 | 科华控股股份有限公司 | Self-centering chuck capable of laterally clamping and working method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104001952B (en) | 2017-01-04 |
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Denomination of invention: Centrifugal three-jaw self-centering chuck Effective date of registration: 20170323 Granted publication date: 20170104 Pledgee: Zhongjiang International Trust Limited by Share Ltd. Pledgor: DALIAN HUAGEN PRECISION MACHINE CO.,LTD. Registration number: 2017990000218 |
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Date of cancellation: 20210128 Granted publication date: 20170104 Pledgee: Zhongjiang International Trust Limited by Share Ltd. Pledgor: DALIAN HUAGEN PRECISION MACHINE Co.,Ltd. Registration number: 2017990000218 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210407 Address after: 116000 No.100 Liaohe East Road, economic and Technological Development Zone, Dalian City, Liaoning Province Patentee after: General Technology Group Dalian Machine Tool Co.,Ltd. Address before: No. 600, north section of Zhufeng street, Wafangdian City, Dalian City, Liaoning Province, 116000 Patentee before: DALIAN HUAGEN PRECISION MACHINE Co.,Ltd. |
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Granted publication date: 20170104 |
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