CN202174261U - Separable flexible four-jaw chuck - Google Patents
Separable flexible four-jaw chuck Download PDFInfo
- Publication number
- CN202174261U CN202174261U CN2011203008242U CN201120300824U CN202174261U CN 202174261 U CN202174261 U CN 202174261U CN 2011203008242 U CN2011203008242 U CN 2011203008242U CN 201120300824 U CN201120300824 U CN 201120300824U CN 202174261 U CN202174261 U CN 202174261U
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- China
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- claw
- profile
- chuck
- tooth
- moving body
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- Expired - Fee Related
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Abstract
The utility model discloses a separable flexible four-jaw chuck, which is improved on the basis of an original four-jaw chuck. A pair of clamp jaws is designed into separable flexible clamp jaws. The separable flexible four-jaw chuck can be used for automatically centering and clamping circular workpieces and square workpieces, and can also be used for rectangular workpieces, service range of the chuck is enlarged, and automatic centering and clamping efficiency is improved.
Description
Technical field
The utility model relates to lathe chuck, especially a kind of separable flexible chuck.
Background technology
The chuck that is used for self-centering and clamping work pieces on the lathe has three-jaw and four paws self-centering chuck.Wherein, the four paws self-centering chuck is to be the basis with the three-jaw self-centering chuck, on chuck body, has established a claw more.Each claw has the silk dish engagement of vortex filament shape teeth groove respectively through the tooth and at the back side, the back side of silk dish is shaped on three conelet tooth engagements on awl tooth and the chuck body.Rotate arbitrary conelet tooth during use, drive the silk dish and rotate, four paws or three-jaw on four paws self-centering chuck or the three-jaw self-centering chuck are advanced and retreat synchronously; Self-centering and clamping work pieces; Thereby the sired results part can only felt relieved and clamp to three-jaw self-centering chuck, and round piece and square workpiece can only felt relieved and clamp to the four paws self-centering chuck; They all can not feel relieved and clamp the rectangle workpiece, thereby cause the limited influence of the scope of application to produce.
The utility model content
The technical problem that the present invention will solve provides and a kind ofly both can be used for self-centering and clamped round piece and square workpiece, can be used for the separable flexible chuck of rectangle workpiece again, to enlarge the chuck scope of application and to improve self-centering and clamp efficient.
Adopt following technical scheme for solving the problems of the technologies described above the present invention: separable flexible chuck, comprise that chuck body, two pairs of claws, three little conical tooth shafts, silks coil, claw is a pair of to be the rigidity claw, another is to being separable flexible claw; Separable flexible claw mainly is made up of jaw body and profile of tooth moving body; Profile of tooth moving body top and jaw body join together through dovetail groove; Jaw body is connected through the claw chute with chuck body, and the tooth of profile of tooth moving body bottom is connected with a joggle with silk dish front end face vortex filament shape teeth groove; The helical voussoir and the slip axis of cone place respectively among the groove and hole of jaw body, and the helical voussoir is connected with slip axis of cone inclined-plane, and the helical face of its underpart is close to the helical face above the profile of tooth moving body under the effect of first spring, two clamping blocks are set in the slip axis of cone; Be provided with resetting block between jaw body and the profile of tooth moving body, be fixed on profile of tooth moving body one end by holding screw; The slip axis of cone is fixed by lock sleeve, adjustment screw and second spring.
The utility model improves on the basis of original chuck, and wherein a pair of claw is designed to separable flexible claw.Silk dish is just changeing and drives four claws and move toward the center simultaneously, and when workpiece when be circular or square, four claws block around the workpiece simultaneously, separate flexible claw and can not separate, with workpiece self-centering and clamping; When workpiece is rectangle; Four claws can not block around the workpiece simultaneously; This moment, the jaw body of separable flexible claw was tight with the long checkpost of workpiece earlier, and jaw body is separated with the profile of tooth moving body then, and the profile of tooth moving body continues to move toward the center simultaneously with the rigidity claw;, with workpiece minor face chucking the self-centering of rectangle workpiece is also clamped until the rigidity claw.The profile of tooth moving body that silk dish counter-rotating drives rigidity claw and separable flexible claw moves simultaneously outward, and the rigidity claw at first unclamps the workpiece minor face, and separate type profile of tooth moving body, the jaw body of scratching part property claw resets then, unclamps workpiece thereby unclamp the long limit of workpiece.
Use the utility model and enlarged the scope of application of chuck, and improved its self-centering and clamped efficient.
Description of drawings
Fig. 1 is the structural representation of the separable flexible chuck of the utility model.
Fig. 2 be among Fig. 1 separable flexible chuck along the partial sectional view of A-A line.
Fig. 3 be among Fig. 1 separable flexible chuck along the partial sectional view of B-B line.
Fig. 4 is the local structure for amplifying sketch map of the separable flexible claw of separable flexible chuck among Fig. 2.
Fig. 5 is the cutaway view along the C-C line of separable flexible claw among Fig. 4.
Fig. 6 is the left view of separable flexible claw among Fig. 4.
Fig. 7 is the separable flexible chuck centering of the utility model and reaches the user mode sketch map that clamps circular or square workpiece.
Fig. 8 be among Fig. 7 separable flexible chuck along the partial sectional view of E-E line.
Fig. 9 be among Fig. 7 separable flexible chuck along the partial sectional view of F-F line.
Figure 10 is the separable flexible chuck centering of the utility model and reaches the user mode sketch map that clamps the rectangle workpiece.
Figure 11 be among Figure 10 separable flexible chuck along the partial sectional view of G-G line.
Figure 12 be among Figure 10 separable flexible chuck along the partial sectional view of H-H line.
Among the figure: 1 chuck body, 2 separable flexible claws, 3 dishes, 4 little conical tooth shafts, 5 rigidity claws; 6 holding screws, 7 resetting blocks, 8 profile of tooth moving bodys, 9 helical voussoirs, 10 first springs; 11 jaw body, the 12 slip axis of cone, 13 second springs, 14 lock sleeves; 15 adjustment screw, 16 clamping blocks, 17 circular or square workpiece, 18 rectangle workpiece.
The specific embodiment
Extremely shown in Figure 6 like Fig. 1; The separable flexible chuck of the utility model comprises that the little conical tooth shaft of chuck body 1, the two pairs of claws, four 4,3, two pairs of claws of silk dish are connected through the claw chute with chuck body 1, little conical tooth shaft 4 and thread coil 3 and be fixed on the chuck body 1; Little conical tooth shaft 4 is connected with a joggle with silk dish 3 back sides awl tooth; Each claw is connected with a joggle with the silk dish 3 with vortex filament shape teeth groove through the tooth at the back side respectively, and claw is a pair of to be rigidity claw 5, and another is to being separable flexible claw 2; Separable flexible claw 2 mainly is made up of jaw body 11 and profile of tooth moving body 8; Profile of tooth moving body 8 tops and jaw body 11 join together through dovetail groove; Jaw body 11 is connected through the claw chute with chuck body 1, and the tooth of profile of tooth moving body 8 bottoms is connected with a joggle with silk dish 3 front end face vortex filament shape teeth groove; Helical voussoir 9 places respectively among the groove and hole of jaw body 11 with the slip axis of cone 12; Helical voussoir 9 is connected with the slip axis of cone 12 inclined-planes; The helical face of its underpart is close to the helical face above the profile of tooth moving body 8 under the effect of first spring 10; Two clamping blocks 16 are set in the slip axis of cone 12, and common clamping block 16 is followed jaw body 11 and is slided along claw chute gap; Be provided with resetting block 7 between jaw body 11 and the profile of tooth moving body 8, be fixed on profile of tooth moving body 8 one ends by holding screw 6; The slip axis of cone 12 is fixing by lock sleeve 14, adjustment screw 15 and second spring 13.Adjustment screw 15 is used to regulate the position of the slip axis of cone 12, so that the assembling of helical voussoir 9 and clamping block 16.
Extremely shown in Figure 9 like Fig. 7; When using the utility model centering, clamping circle or square workpiece 17; Silk dish 3 is just being transferred from a team to another and is being driven that profile of tooth moving body 8 moves toward centers simultaneously in rigidity claw 5 and the separable flexible claw 2, the guiding through helical voussoir 9 make jaw body 11 and then profile of tooth moving body 8 move toward centers.Like this, separable flexible claw 2 moves toward the center with rigidity claw 5 is just synchronous, and two pairs of claws block around the workpiece simultaneously, and separable flexible claw 2 can not separate, and silk dish 3 can not rotate, thereby with circle or 17 self-centerings of square workpiece and clamping.
Extremely shown in Figure 12 like Figure 10; When using the utility model centering, clamping rectangle workpiece 18; Silk dish 3 is just being transferred from a team to another and is being driven that profile of tooth moving body 8 moves toward centers simultaneously in rigidity claw 5 and the separable flexible claw 2, the guiding through helical voussoir 9 make jaw body 11 and then profile of tooth moving body 8 move toward centers.Like this; Separable flexible claw 2 just moves toward the center with rigidity claw 5 synchronously, and two pairs of claws can not block around the workpiece simultaneously, let the jaw body 11 of separable flexible claw 2 block 18 liang of long limits of rectangle workpiece earlier; Silk dish 3 continues just transferring from a team to another and drives that profile of tooth moving body 8 continues to move toward the center in rigidity claw 5 and the separable flexible claw 2; Force the profile of tooth moving body 8 of separable flexible claw 2 to separate automatically, simultaneously helical voussoir 9 is up pressed, force the slip axis of cone 12 to be moved backward with jaw body 11; Clamping block 16 moves toward both sides and blocks on the chute of chuck body 1, thereby jaw body 11 and the long checkpost of workpiece is tight.Silk dish 3 is rotated further, and drives that profile of tooth moving body 8 continues to move toward the center in rigidity claw 5 and the separable flexible claw 2, and with workpiece minor face chucking, silk dish 3 can not rotate until rigidity claw 5, thereby with 18 self-centerings of rectangle workpiece and clamp.During the pine folder; The profile of tooth moving body 8 that 3 counter-rotatings of silk dish drive rigidity claw 5 and detachable flexible claw 2 the latter halfs moves simultaneously outward; Rigidity claw 5 at first unclamps the workpiece minor face; The profile of tooth moving body 8 of detachable then flexible claw 2 the latter halfs and jaw body 11 reset down in that resetting block 7 is spacing, unclamp the long limit of workpiece, and centering, clamping and the pine of accomplishing a subjob are pressed from both sides.
Claims (1)
1. a separable flexible chuck comprises that chuck body, two pairs of claws, three little conical tooth shafts, silks coil, and it is characterized in that: said claw is a pair of to be the rigidity claw, and another is to being separable flexible claw; Said separable flexible claw mainly is made up of jaw body and profile of tooth moving body; Profile of tooth moving body top and jaw body join together through dovetail groove; Jaw body is connected through the claw chute with chuck body, and the tooth of profile of tooth moving body bottom is connected with a joggle with silk dish front end face vortex filament shape teeth groove; The helical voussoir and the slip axis of cone place respectively among the groove and hole of jaw body, and the helical voussoir is connected with slip axis of cone inclined-plane, and the helical face of its underpart is close to the helical face above the profile of tooth moving body under the effect of first spring, two clamping blocks are set in the slip axis of cone; Be provided with resetting block between jaw body and the profile of tooth moving body, be fixed on profile of tooth moving body one end by holding screw; The said slip axis of cone is fixed by lock sleeve, adjustment screw and second spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203008242U CN202174261U (en) | 2011-08-18 | 2011-08-18 | Separable flexible four-jaw chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203008242U CN202174261U (en) | 2011-08-18 | 2011-08-18 | Separable flexible four-jaw chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202174261U true CN202174261U (en) | 2012-03-28 |
Family
ID=45864170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203008242U Expired - Fee Related CN202174261U (en) | 2011-08-18 | 2011-08-18 | Separable flexible four-jaw chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202174261U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921981A (en) * | 2012-11-08 | 2013-02-13 | 五洲阀门有限公司 | Double eccentric ball valve ball body processing clamping device with plane thread chuck |
| CN103203483A (en) * | 2012-11-08 | 2013-07-17 | 嘉兴五洲阀门有限公司 | Clamping device for machining ball of double eccentric ball valve by utilizing locking shaft with right-hand and left-hand threads |
-
2011
- 2011-08-18 CN CN2011203008242U patent/CN202174261U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921981A (en) * | 2012-11-08 | 2013-02-13 | 五洲阀门有限公司 | Double eccentric ball valve ball body processing clamping device with plane thread chuck |
| CN103203483A (en) * | 2012-11-08 | 2013-07-17 | 嘉兴五洲阀门有限公司 | Clamping device for machining ball of double eccentric ball valve by utilizing locking shaft with right-hand and left-hand threads |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20180818 |