CN201361718Y - Double-acting type four-claw clamp device - Google Patents
Double-acting type four-claw clamp device Download PDFInfo
- Publication number
- CN201361718Y CN201361718Y CNU2009200093091U CN200920009309U CN201361718Y CN 201361718 Y CN201361718 Y CN 201361718Y CN U2009200093091 U CNU2009200093091 U CN U2009200093091U CN 200920009309 U CN200920009309 U CN 200920009309U CN 201361718 Y CN201361718 Y CN 201361718Y
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- screw
- chuck
- actuator
- perforation
- arm
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Abstract
The utility model relates to a double-acting type four-claw clamp device, which is provided with a clamping disc, wherein four clamping claws which are hooked by hook arms arranged in the inner of the clamping disc are arranged on the top surface of the clamping disc, an outer driving part which can hook two of the hook arms to drive two of the opposite clamping claws penetrates through the center of the clamping disc in a sliding mode, and an inner driving part which can drive the other pair of the hook arms to drive the other clamping claws is traversed in the outer driving part. Through the arrangement of the inner and the outer driving parts, the device of the utility model can realize the effect of preventing jamming a work piece through firstly clamping both sides of the work piece and secondly clamping the periphery of the work piece in the mode of driving each pair of the claws to act in sequence when the device is used in a lathe.
Description
Technical field
The utility model relates to a kind of four-jaw independent chuck device of lathe, refers to a kind of pair of ejector half four-jaw independent chuck device especially.
Background technology
The traditional lathe chuck is divided into the form of three-jaw or four paws, when utilizing the four-jaw independent chuck holding workpiece, lathe can spur in the chuck four with the pull bar of inside simultaneously and collude the arm structure, collude the arm structure with four and together collude four jaw starts, so with workpiece grip the location all around, reach the effect of the location location of workpiece on chuck.
Yet because existing four-jaw independent chuck is to drive four jaw actions simultaneously, therefore in the process of gripper, if when two adjacent jaws clipped to workpiece earlier, Dong Zuo jaw will injure the surface of workpiece simultaneously, make workpiece in location process, produce the problem of damaging.
Summary of the invention
Because four designs that jaw is an interlock of existing chuck make surface of the work produce the problem of damaging easily when therefore causing the gripper workpiece.For this reason, the utility model main purpose is, relies on the structure of two pairs of jaws of gradation driving, is difficult for causing the effect of damage when reaching the gripper workpiece.
For achieving the above object, the utility model provides a kind of pair of ejector half four-jaw independent chuck device, is to comprise:
One chuck body, described chuck body is provided with a chuck, described chuck is the disc that both sides respectively form end face and bottom surface, shaft core position at described chuck runs through an axle center hole, collude arm and two relative second with rotating form in conjunction with two relative first respectively in the quartering position of described chuck inner periphery again and collude arm, each first colludes arm and protrudes out one first towards the end face of described chuck and drive projection, stretch in the described axle center hole again and establish one first pull bar, each second colludes arm and protrudes out one second towards the end face of described chuck and drive projection, stretches in the described axle center hole again and establishes one second pull bar;
One outer actuator, outer actuator is the axle center hole that is set in described chuck body with form slidably, corresponding two first collude arm described outside actuator forming two first draws catching groove on every side, draw the catching groove cover to be buckled in the free end of two first pull bars with two first, two second of correspondences are colluded arm and run through a perforation between the two opposite sides around the actuator outside described, the bottom of actuator is provided with one in conjunction with screw outside described, described in conjunction with screw the top and described perforation between form a perforation; And
Actuator in one, interior actuator is strip and the top side that is set in described perforation, corresponding two second surfaces of colluding arm actuator two ends in described are arranged with two second and draw catching groove, relying on two second draws the catching groove cover to be buckled in the free end of two second pull bars, the centre of actuator is stretched towards described perforation and is established a screw rod in described, and the bottom of described screw rod is to pass described screw.
Further, quartering position around the corresponding described axle center hole of the utility model, be arranged with in the relative both sides of described chuck end face two each communicate with described axle center hole first groove is set, first be provided with between the both sides of trench bottom at each in conjunction with one first pivot, described each first to collude arm be to be set in each first pivot with rotatable form, form one first slide rail at each first top that groove is set again, at each first slide rail in conjunction with one first slide block, be arranged with one first driver slot in the centre of each first slide block bottom surface, each first first driving projection embedding of colluding arm is colluded in each first driver slot;
Be arranged with in another relative both sides of described chuck end face again two each communicate with described axle center hole second groove is set, second be provided with between the both sides of trench bottom at each in conjunction with one second pivot, described each second to collude arm be to be set in each second pivot with rotatable form, form one second slide rail at each second top that groove is set again, at each second slide rail in conjunction with one second slide block, be arranged with one second driver slot in the centre of each second slide block bottom surface, each second second driving projection embedding of colluding arm is colluded in each second driver slot.
Preferable, described outer actuator is provided with a pulling post, be set in described axle center hole with described pulling post, described two first both sides of drawing catching groove to be formed in described pulling post side face, described perforation also is to be arranged between the both sides of described pulling post side face, be arranged with the recess of a circle in the bottom surface of described pulling post, described perforation is that the centre by described pulling capital face wears towards described recess and forms, described perforation also passes the centre of described perforation, forms a location screw thread at the side face of described recess;
Screw lock one locating ring in described positioning threads, be arranged with a portion of class in the top side of described locating ring inner peripheral surface, in described locating ring, be embedded a draw ring, be convexly equipped with a location flange in the top side of described draw ring side face, embed portion of described class location, the described inner peripheral surface that is formed in described draw ring in conjunction with screw with described locating flange.
Preferable, actuator is provided with a pulling piece in described, described pulling piece is strip block and the top side that is set in described perforation, described two second surfaces of drawing catching groove to be formed in described pulling piece two ends, wear a class hole in the centre of described pulling piece, around top side, described class hole, form a locking screw thread, screw togather a button piece with described locking screw thread, wear a counter sink in the centre of described button piece, wear a bolt at described counter sink, described bolt is to being provided with a head by counter sink, described screw rod is to be stretched towards the centre of draw ring by described head to establish, the urgent ring of cover unification around described screw rod, described urgent ring is the bottom surface that is resisted against described button piece, wear a urgent screw again around,, be resisted against described screw rod with the inner of described double-screw bolt at described urgent screw screw lock one double-screw bolt.
Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be:
1. the utility model is directly to be incorporated into lathe to the chuck that is provided with the bottom, lathe inside be provided with pull bar be screwed in the screw rod of actuator, again with trombone slide be screwed on outer actuator in conjunction with screw, when group is configured to chuck, respectively first, second colludes the position of arm in the end face correspondence of chuck in elder generation, be provided with four slide blocks sliding towards central forward and back slip form, each slide block is cooperated first, second first, second driving projection that colludes arm to collude and can move towards the center, but is combined with the jaw of holding workpiece again at the end face of each slide block.
2. when the utility model gripper workpiece, be that workpiece is put between four jaws, earlier spur interior actuator inwardly with pull bar, actuator draws two second second pull bars that collude arm of catching groove pulling with second of both sides in the order, make two second to collude that arm rotates and drive projection with second of top colludes two slide blocks that are located at the chuck both sides inwardly, make the jaw that is incorporated into two slide blocks be clamped at the wherein both sides of workpiece earlier; Then spur outer actuator inwardly with trombone slide, make outer actuator draw two first first pull bars that collude arm of catching groove pulling with first of both sides, make two first to collude that arm rotates and drive projection with first of top colludes remaining slide block and jaw inwardly, so cooperation is gripped the location all around with workpiece.
3. because of the present utility model when being configured to locate workpiece, be with after driving two jaw gripper workpiece earlier, driving in addition again, two jaws together grip the workpiece location, owing to be to carry out in the mode of two sections drivings, therefore when the gripper workpiece, do not have the situation that adjacent jaw clips to workpiece earlier and take place, can so avoid jaw together to move the workpiece damage that institute may cause.
Description of drawings
Fig. 1 is the plane of the utility model preferred embodiment;
Fig. 2 is the profile of the utility model preferred embodiment;
Fig. 3 is the profile of the utility model preferred embodiment;
Fig. 4 is the exploded view of actuator in the outer actuator of the utility model preferred embodiment cooperates;
Fig. 5 is that schematic diagram is implemented in the use of the utility model preferred embodiment second jaw start;
Fig. 6 is that schematic diagram is implemented in the use of the utility model preferred embodiment first jaw start;
Fig. 7 is that schematic diagram is implemented in the use of the utility model preferred embodiment gripper workpiece.
Description of reference numerals: 10-chuck body; The 11-chuck; The 111-axle center hole; 112-first is provided with groove; 1121-first slide rail; 113-second is provided with groove; 1131-second slide rail; 12-first slide block; 121-first driver slot; 13-first pivot; 14-first colludes arm; 141-first drives projection; 142-first pull bar; 15-second slide block; 151-second driver slot; 16-second pivot; 17-second colludes arm; 171-second drives projection; 172-second pull bar; 18-first jaw; 19-second jaw; The outer actuator of 20-; 21-spurs post; 211-first draws catching groove; The 212-perforation; The 213-recess; The 214-perforation; The 215-positioning threads; The 22-locating ring; Portion of 221-class; The 23-draw ring; The 231-locating flange; 232-is in conjunction with screw; Actuator in the 30-; 31-spurs piece; 311-second draws catching groove; 312-class hole; The 3121-screw thread that locks; 32-detains piece; The 321-counter sink; The 33-bolt; The 331-head; The 332-screw rod; The urgent ring of 34-; The urgent screw of 341-; The 342-double-screw bolt; The A-workpiece; The B-pull bar; The C-trombone slide.
The specific embodiment
The utility model is an a kind of pair of ejector half four-jaw independent chuck device, please referring to the preferred embodiment of Fig. 1 to Fig. 4, comprising:
One chuck body 10, chuck body 10 is provided with a chuck 11, and chuck 11 is upright circular disk body that are provided with, and towards right and form end face and bottom surface towards the surface on a left side, shaft core position at chuck 11 runs through an axle center hole 111, and axle center hole 111 is the circular ports that extend along left and right direction;
Quartering position around the corresponding axle center hole 111, be arranged with two first in the relative both sides of chuck 11 end faces groove 112 is set, each first the inner that groove 112 is set communicates with axle center hole 111, first groove 112 is set forms one first slide rail 1121 towards the top on the right side, the bearing of trend of each first slide rail 1121 is axial vertical with chuck 11 at each; Be arranged with two second in another relative both sides of chuck 11 end faces again groove 113 is set, each second the inner that groove 113 is set communicates with axle center hole 111, second groove 113 is set forms one second slide rail 1131 towards the top on the right side, the bearing of trend of each second slide rail 1131 is axial vertical with chuck 11 at each;
In two first slide rails 1121, with form slidably one first slide block 12 is set respectively, in the middle of the bottom surface on a left side, be arranged with one first driver slot 121 at each first slide block 12, first be provided with between the both sides of groove 112 bottoms at each again in conjunction with one first pivot 13, collude arm 14 with rotatable form sheathed 1 first respectively at each first pivot 13, each first colludes arm 14 and extends to form one first respectively in first driver slot 121 of each cooperation and the axle center hole 111 and drive projection 141 and one first pull bar 142, and each first top embedding that drives projection 141 is colluded in each first driver slot 121;
In two second slide rails 1131, with form slidably one second slide block 15 is set respectively, in the middle of the bottom surface on a left side, be arranged with one second driver slot 151 at each second slide block 15, second be provided with between the both sides of groove 113 bottoms at each again in conjunction with one second pivot 16, collude arm 17 with rotatable form sheathed 1 second respectively at each second pivot 16, each second colludes arm 17 and extends to form one second respectively in second driver slot 151 of each cooperation and the axle center hole 111 and drive projection 171 and one second pull bar 172, and each second top embedding that drives projection 171 is colluded in each second driver slot 151;
Each first slide block 12 on the end face on the right side screw lock in conjunction with one first jaw 18, again each second slide block 15 on the end face on the right side screw lock in conjunction with one second jaw 19.
One outer actuator 20, outer actuator 20 is provided with a pulling post 21, pulling post 21 is circular cylinders and is set in the axle center hole 111 of chuck body 10 with form slidably, corresponding two first are colluded arm 14, be arranged with two first at the two opposite sides that spurs post 21 side faces and draw catching groove 211, rely on two first free ends that draw catching groove 211 to be buckled in two first pull bars 142 with form cover slidably, corresponding two second are colluded arm 17, between the two opposite sides of pulling post 21 side faces, run through a perforation 212, perforation 212 is holes of rectangle, be arranged with the recess 213 of a circle towards the bottom surface on a left side at pulling post 21, wear a perforation 214 in the middle of the end face on the right side and between the recess 213 at pulling post 21 again, perforation 214 is the centres that pass perforation 212, at the side face formation one location screw thread 215 of recess 213;
Screw lock is in conjunction with a locating ring 22 in positioning threads 215, locating ring 22 is torus and is arranged with a portion of class 221 at inner peripheral surface towards the top side on the right side, in locating ring 22, be embedded a draw ring 23, be convexly equipped with a location flange 231 in the top side of draw ring 23 side faces, the portion of class 221 that embeds locating ring 22 with locating flange 231 locatees, and the inner peripheral surface at draw ring 23 forms one in conjunction with screw 232 again.
The handling characteristics of the utility model structure is, please referring to Fig. 1, is to carry out in the mode of two sections drivings, behind two second jaw 19 gripper workpiece of driving, drives two first jaws 18 again and cooperates two second jaws 19 to grip the workpiece location earlier.Because be to rely on to clamp the workpiece both sides earlier in the process, the mode around the gripper workpiece is carried out again, so do not have the situation that adjacent jaw clips to workpiece earlier during the gripper workpiece and take place, can therefore avoid the damage of workpiece.
When the utility model gripper workpiece, please cooperate referring to Fig. 1 to Fig. 3 and Fig. 5, be that the utility model is installed in lathe, and workpiece A put between two first jaws 18 and two second jaws 19, be screwed on the screw rod 332 of bolt 33 with pull bar B, again with trombone slide C be screwed on draw ring 23 in conjunction with screw 232.
When first section gripper action of the utility model carried out, please referring to Fig. 5, be towards the moving pulling of Zola piece 31 with pull bar B, order pulling piece 31 draws catching groove 311 towards moving two second second pull bars 172 that collude arm 17 of Zola with second of both sides, make two second to collude that arm 17 rotates and drive projection 171 with second of top colludes each second slide block 15 respectively inwardly, make two second and arranged on left and right sides that jaw 19 grips workpiece A inwardly that are incorporated into two second slide blocks 15.
Then carry out second section gripper action, when second section gripper action is carried out, as Fig. 6, shown in Figure 7, be towards the moving pulling of Zola post 21 with trombone slide C, order pulling post 21 draws catching groove 211 towards moving two first first pull bars 142 that collude arm 14 of Zola with first of both sides, make two first to collude that arm 14 rotates and drive projection 141 with first of top colludes respectively first slide block 12 respectively inwardly, order is incorporated into the upper and lower both sides that first jaw 18 of two first slide blocks 12 grips workpiece A inwardly, so cooperate two second jaws 19 with workpiece A in conjunction with the location.
More than explanation is just illustrative for the utility model; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within the protection domain of the present utility model.
Claims (5)
1. a two ejector half four-jaw independent chuck device is characterized in that, comprising:
One chuck body, described chuck body is provided with a chuck, described chuck is the disc that both sides respectively form end face and bottom surface, shaft core position at described chuck runs through an axle center hole, collude arm and two relative second with rotating form in conjunction with two relative first respectively in the quartering position of described chuck inner periphery again and collude arm, each first colludes arm and protrudes out one first towards the end face of described chuck and drive projection, stretch in the described axle center hole again and establish one first pull bar, each second colludes arm and protrudes out one second towards the end face of described chuck and drive projection, stretches in the described axle center hole again and establishes one second pull bar;
One outer actuator, outer actuator is to be set in the axle center hole of described chuck body with form slidably, corresponding two first collude arm described outside actuator forming two first draws catching groove on every side, draw the catching groove cover to be buckled in the free end of two first pull bars with two first, two second of correspondences are colluded arm and run through a perforation between the two opposite sides around the actuator outside described, the bottom of actuator is provided with one in conjunction with screw outside described, described in conjunction with screw the top and described perforation between form a perforation; And,
Actuator in one, interior actuator is strip and the top side that is set in described perforation, corresponding two second surfaces of colluding arm actuator two ends in described are arranged with two second and draw catching groove, relying on two second draws the catching groove cover to be buckled in the free end of two second pull bars, the centre of actuator is stretched towards described perforation and is established a screw rod in described, and the bottom of described screw rod passes described screw.
2. according to claim 1 pair of ejector half four-jaw independent chuck device, it is characterized in that: the quartering position around the corresponding described axle center hole, be arranged with in the relative both sides of described chuck end face two each communicate with described axle center hole first groove is set, first be provided with between the both sides of trench bottom at each in conjunction with one first pivot, described each first to collude arm be to be set in each first pivot with rotatable form, form one first slide rail at each first top that groove is set again, at each first slide rail in conjunction with one first slide block, be arranged with one first driver slot in the centre of each first slide block bottom surface, each first first driving projection embedding of colluding arm is colluded in each first driver slot;
Be arranged with in another relative both sides of described chuck end face again two each communicate with described axle center hole second groove is set, second be provided with between the both sides of trench bottom at each in conjunction with one second pivot, described each second to collude arm be to be set in each second pivot with rotatable form, form one second slide rail at each second top that groove is set again, at each second slide rail in conjunction with one second slide block, be arranged with one second driver slot in the centre of each second slide block bottom surface, each second second driving projection embedding of colluding arm is colluded in each second driver slot.
3. according to claim 1 and 2 pair of ejector half four-jaw independent chuck device, it is characterized in that: described outer actuator is provided with a pulling post, be set in described axle center hole with described pulling post, described two first both sides of drawing catching groove to be formed in described pulling post side face, described perforation also is to be arranged between the both sides of described pulling post side face, be arranged with the recess of a circle in the bottom surface of described pulling post, described perforation is that the centre by described pulling capital face wears towards described recess and forms, described perforation also passes the centre of described perforation, forms a location screw thread at the side face of described recess;
Screw lock one locating ring in described positioning threads, be arranged with a portion of class in the top side of described locating ring inner peripheral surface, in described locating ring, be embedded a draw ring, be convexly equipped with a location flange in the top side of described draw ring side face, embed portion of described class location, the described inner peripheral surface that is formed on described draw ring in conjunction with screw with described locating flange.
4. according to claim 1 and 2 pair of ejector half four-jaw independent chuck device, it is characterized in that: actuator is provided with a pulling piece in described, described pulling piece is strip block and the top side that is set in described perforation, described two second surfaces of drawing catching groove to be formed in described pulling piece two ends, wear a class hole in the centre of described pulling piece, around top side, described class hole, form a locking screw thread, screw togather a button piece with described locking screw thread, wear a counter sink in the centre of described button piece, wear a bolt at described counter sink, described bolt is to being provided with a head by counter sink, described screw rod is to be stretched towards the centre of draw ring by described head to establish, the urgent ring of cover unification around described screw rod, described urgent ring is the bottom surface that is resisted against described button piece, wear a urgent screw again around,, be resisted against described screw rod with the inner of described double-screw bolt at described urgent screw screw lock one double-screw bolt.
5. according to claim 3 pair of ejector half four-jaw independent chuck device, it is characterized in that: actuator is provided with a pulling piece in described, described pulling piece is strip block and the top side that is set in described perforation, described two second surfaces of drawing catching groove to be formed in described pulling piece two ends, wear a class hole in the centre of described pulling piece, around top side, described class hole, form a locking screw thread, screw togather a button piece with described locking screw thread, wear a counter sink in the centre of described button piece, wear a bolt at described counter sink, described bolt is to being provided with a head by counter sink, described screw rod is to be stretched towards the centre of draw ring by described head to establish, the urgent ring of cover unification around described screw rod, described urgent ring is the bottom surface that is resisted against described button piece, wear a urgent screw again around,, be resisted against described screw rod with the inner of described double-screw bolt at described urgent screw screw lock one double-screw bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200093091U CN201361718Y (en) | 2009-03-13 | 2009-03-13 | Double-acting type four-claw clamp device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200093091U CN201361718Y (en) | 2009-03-13 | 2009-03-13 | Double-acting type four-claw clamp device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201361718Y true CN201361718Y (en) | 2009-12-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200093091U Expired - Lifetime CN201361718Y (en) | 2009-03-13 | 2009-03-13 | Double-acting type four-claw clamp device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201361718Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481019A (en) * | 2018-03-21 | 2018-09-04 | 张清清 | A kind of quick turning attachment of rocker-arm |
| CN117086348A (en) * | 2023-10-16 | 2023-11-21 | 通用技术集团沈阳机床有限责任公司 | Lathe fixture |
-
2009
- 2009-03-13 CN CNU2009200093091U patent/CN201361718Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481019A (en) * | 2018-03-21 | 2018-09-04 | 张清清 | A kind of quick turning attachment of rocker-arm |
| CN117086348A (en) * | 2023-10-16 | 2023-11-21 | 通用技术集团沈阳机床有限责任公司 | Lathe fixture |
| CN117086348B (en) * | 2023-10-16 | 2024-03-12 | 通用技术集团沈阳机床有限责任公司 | Lathe fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091216 |