CN203875365U - Centrifugal three-jaw self-centering chuck - Google Patents
Centrifugal three-jaw self-centering chuck Download PDFInfo
- Publication number
- CN203875365U CN203875365U CN201420198607.0U CN201420198607U CN203875365U CN 203875365 U CN203875365 U CN 203875365U CN 201420198607 U CN201420198607 U CN 201420198607U CN 203875365 U CN203875365 U CN 203875365U
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- China
- Prior art keywords
- disk body
- centrifugal
- jaw
- chuck body
- parcel
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- Expired - Lifetime
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Abstract
A centrifugal three-jaw self-centering chuck comprises a chuck body and a gland fixedly connected with the side face of the chuck body. The gland is connected with a pull rod, the other side face of the chuck body is provided with three evenly distributed jaws, the inner side of the chuck body is provided with a centrifugal drive mechanism and a clamping mechanism driving the three jaws to move, the centrifugal drive mechanism comprises a connection rod, the inner end of the connection rod is connected with the convex end face of the inner side of the chuck body through a connection rod shaft, the outer end of the connection rod is connected with a pin shaft through a pin shaft key, one end of the pin shaft is provided with a centrifugal block, the clamping mechanism comprises a coiled wire arranged on a protrusion of the inner side of the chuck body in a sleeved mode, the coiled wire is provided with an opening, the other end of the pin shaft is inserted into the opening, the side face of the coiled wire is provided with a first plane thread, the chuck body is provided with a long port, a sliding base is arranged in the long port in a matched mode, a second plane thread matched with the first plane thread is arranged on one side face of the sliding base, the sliding base is fixedly connected with the jaws, one end of a compressed spring is fixed to the inner side of the chuck body, and the other end of the compressed spring abuts against the coiled wire. The centrifugal three-jaw self-centering chuck is simple in structure, saves time and labor, and is low in cost.
Description
Technical field
The utility model 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: manual 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, although reached the object that reduces labour intensity, be equipped with corresponding transmission device and motor in use, 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
Time saving and energy saving when the technical problem that the utility model solves is to provide a kind of simple in structure, application, 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 utility model 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; In disk body inner side, be provided with centrifugal driving mechanism and drive three clamp mechanism that jaw moves; 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 utility model, by pull bar, be connected 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, by the first flat thread, order about with slide the growing in mouth on disk body of the second flat thread and slide 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.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model specific embodiment, 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.
The specific embodiment
As shown in Figure 1, 2, 3: 4 is disk body, the 3rd, by interior trip bolt 16 and outer trip bolt 22, be fixedly connected on the gland of disk body 4 sides, 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.A plurality of pull bars 1 that distribute along even circumferential are threaded on gland 3.During installation, by pull bar 1, be connected with the main shaft of lathe.The jackscrew 2 that has been threaded on gland 3, so that dismounting.
In the another side of disk body 4, are furnished with three equally distributed jaws 15.
In disk body 4 inner sides, be provided with centrifugal driving mechanism 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, in one end of bearing pin 8, by bearing pin key 6, is installed with centrifugal-block 5.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: the periphery at parcel 20 is processed with a hole 29, at the periphery of disk body 4, be processed with and stir arcuate socket 28, the outside of disk body 4 is set with guard ring 9.
Centrifugal three-jaw self-centering chuck of the present utility model, by pull bar 1, be connected 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, by the first flat thread 25, order about the long mouthful 26 interior slips on disk body 4 of slide 18 with the second flat thread 27 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 jaw 15 actions are 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.
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), in the another side of disk body (4), is provided with three equally distributed jaws (15);
It is characterized in that: in disk body (4) inner side, be provided with centrifugal driving mechanism and drive the mobile clamp mechanism of three jaws (15);
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 |
|---|---|---|---|
| CN201420198607.0U CN203875365U (en) | 2014-04-23 | 2014-04-23 | Centrifugal three-jaw self-centering chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420198607.0U CN203875365U (en) | 2014-04-23 | 2014-04-23 | Centrifugal three-jaw self-centering chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203875365U true CN203875365U (en) | 2014-10-15 |
Family
ID=51675908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420198607.0U Expired - Lifetime CN203875365U (en) | 2014-04-23 | 2014-04-23 | Centrifugal three-jaw self-centering chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203875365U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001952A (en) * | 2014-04-23 | 2014-08-27 | 大连华根精密机床有限公司 | Centrifugal three-jaw self-centering chuck |
| 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 |
-
2014
- 2014-04-23 CN CN201420198607.0U patent/CN203875365U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001952A (en) * | 2014-04-23 | 2014-08-27 | 大连华根精密机床有限公司 | Centrifugal three-jaw self-centering chuck |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Centrifugal three-jaw self-centering chuck Effective date of registration: 20170323 Granted publication date: 20141015 Pledgee: Zhongjiang International Trust Limited by Share Ltd Pledgor: Dalian Huagen Precision Machine Tool Co., Ltd. Registration number: 2017990000218 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20170401 Granted publication date: 20141015 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20200401 Granted publication date: 20141015 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210128 Granted publication date: 20141015 Pledgee: Zhongjiang International Trust Limited by Share Ltd. Pledgor: DALIAN HUAGEN PRECISION MACHINE Co.,Ltd. Registration number: 2017990000218 |