CN201300223Y - Hydraulic power chucking device - Google Patents
Hydraulic power chucking device Download PDFInfo
- Publication number
- CN201300223Y CN201300223Y CNU2008201821208U CN200820182120U CN201300223Y CN 201300223 Y CN201300223 Y CN 201300223Y CN U2008201821208 U CNU2008201821208 U CN U2008201821208U CN 200820182120 U CN200820182120 U CN 200820182120U CN 201300223 Y CN201300223 Y CN 201300223Y
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- piston body
- reinforcement
- piston
- leading screw
- gripping mechanism
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Abstract
The utility model relates to a chucking device in a heavy lathe chuck, in particular to a hydraulic power chucking device. The chucking device comprises a chuck body (26) arranged on a lathe principal axis; a jaw (15) is arranged on a power chucking oil cylinder body (10) in the chuck body (26); the power chucking oil cylinder body (10) is divided into a left oil cavity (16) and a right oil cavity (19) by a left-right oil cavity seal ring (17); a left piston body (7) is arrange on the chuck body (26) by a piston fixing bracket (2); the outer end of a right piston body (20) is arranged on the chuck body (26); a piston rod (21) is arranged between the left piston body (7) and the right piston body (20); a power screw rod (50) is arranged at the inner hole end of the left piston body (7) by a power screw rod sleeve (7); and the outer end of the power screw rod (5) is provided with a locknut (4). The utility model reduces the labor intensity of the workers, shortens the auxiliary time, improves the labor production efficiency and the cost performance of the lathe and controls the cost.
Description
Technical field:
The utility model relates generally to the gripping mechanism in a kind of heavy-duty engine lathe chuck, especially relates to a kind of hydraulic booster gripping mechanism.
Background technology
At present, on heavy horizontal lathe, adopt feed screw nut's form to move claw to the chucking of workpiece great majority and carry out brute force and tighten, this chucking mode has not only increased the non-cutting time of lathe but also has increased working strength of workers when being installed heavy workpiece, thereby influences labor productivity.Current, only having the minority heavy horizontal lathe to adopt the imported mechanical clamping screw to be fixed on the master jaw tightens, this chucking in use at first will move to master jaw and carries out mechanical booster with the mechanical grip screw again after workpiece contact and tighten according to the diameter of work, each card engaging workpiece is because the difference of diameter of work will mobile master jaw be very to bother, moreover because the mechanical grip screw needs import, thereby the hurried increase of the cost that makes lathe, the cost performance of lathe descends.For this reason, we have just designed this heavy horizontal lathe hydraulic booster gripping mechanism.
Summary of the invention:
The purpose of this utility model is to avoid the deficiencies in the prior art that a kind of hydraulic booster gripping mechanism is provided, and can tighten and unclamp workpiece convenient, fast, laborsaving, reliably.
For achieving the above object, the technical scheme that the present invention takes is: described hydraulic booster gripping mechanism, include the chuck body (26) that is located on the machine tool chief axis, claw (15) is arranged in the chuck body (26), its characteristics are: the reinforcement that described claw (15) is arranged in the chuck body (26) tightens on the cylinder body (10), reinforcement chucking cylinder body (10) is divided into left oil pocket (16) and right oil pocket (19) by left and right sides oil pocket sealing ring (17), be provided with left piston body (7) in the left side oil pocket (16), be provided with right piston body (20) in the right oil pocket (19), left piston body (7) is installed on the chuck body (26) by piston fixed support (2), right piston body (20) outer end is arranged on the chuck body (26), be provided with piston rod (21) between left piston body (7) and the right piston body (20), reinforcement leading screw (5) is arranged on endoporus one end of left piston body (7) by reinforcement screw set (27), and the outer end of reinforcement leading screw (5) is provided with locking nut (4).
Be provided with first piston body feather key (9) between described left piston body (7) and the reinforcement chucking cylinder body (10), be provided with the second piston body feather key (28) between right piston body (20) and the reinforcement chucking cylinder body (10).
Be provided with the left piston axon to adjusting pad (9) between described left piston body (7) and the piston fixed support (2), be provided with the axial adjusting pad of right piston body (24) between described right piston body (20) and the chuck body (26), the outer end of left piston body (7) is provided with claw fast moving spanner six square toes, and the inner of right piston body (20) and left piston body (7) is respectively equipped with a U type oil sealing (13) and a U type oil sealing hold-down ring (14).
Described piston rod (21) stretches into respectively in the hole in left piston body (7) and the right piston body (20) by left and right sides oil pocket sealing ring (17) two ends, and the two ends of piston rod (21) are provided with the 2nd U type oil sealing (11) and the 2nd U type oil sealing hold-down ring (12).
Be provided with reinforcement leading screw feather key (6) between described reinforcement screw set (27) and the left piston body (7).
Described reinforcement chucking cylinder body (10) also is provided with the plug cock (18) corresponding with left oil pocket (16) and right oil pocket (19).
Be provided with thrust bearing (3) between described locking nut (4) and the reinforcement leading screw (5), the outer end of reinforcement leading screw (5) is provided with reinforcement spanner hexagonal hole.
It is locked with leading screw (1) that the chuck body (26) of described reinforcement chucking cylinder body (10) bottom is provided with claw, the locked outer end with leading screw (1) of claw is provided with the locked spanner hexagonal hole of oil cylinder, the locked the inner with leading screw (1) of claw is provided with locking with pinion (25), and locking is meshed with gear wheel (23) with locking on being located at right piston body (20) with pinion (25).
Outside, hole in the described right piston body (20) is provided with end cap (22).The end of described reinforcement leading screw (5) also is provided with a check valve.
The beneficial effects of the utility model, described hydraulic booster gripping mechanism, solved the brute force chucking of common feed screw nut's type of belt drive well and unclamped and the contradiction of mechanical grip screw increase of cumbersome mobile master jaw and cost when tightening, reduce working strength of workers, shorten non-cutting time, improve the cost performance of labor productivity and lathe, control cost.
Description of drawings:
Fig. 1 is a structural principle schematic diagram of the present utility model.
The specific embodiment:
Be described in further detail below in conjunction with the most preferred embodiment shown in the accompanying drawing.
Embodiment 1, see Fig. 1, described hydraulic booster gripping mechanism, include the chuck body 26 that is located on the machine tool chief axis, claw 15 is arranged in the chuck body 26, its characteristics are: the reinforcement that described claw 15 is arranged in the chuck body 26 tightens on the cylinder body 10, reinforcement chucking cylinder body 10 is divided into left oil pocket 16 and right oil pocket 19 by left and right sides oil pocket sealing ring 17, be provided with left piston body 7 in the oil pocket 16 of a left side, be provided with right piston body 20 in the right oil pocket 19, left piston body 7 is installed on the chuck body 26 by piston fixed support 2, right piston body 20 outer ends are arranged on the chuck body 26, be provided with piston rod 21 between left piston body 7 and the right piston body 20, reinforcement leading screw 5 is arranged on endoporus one end of left piston body 7 by reinforcement screw set 27, and the outer end of reinforcement leading screw 5 is provided with locking nut 4.
Be provided with first piston body feather key 9 between described left piston body 7 and the reinforcement chucking cylinder body 10, be provided with the second piston body feather key 28 between right piston body 20 and the reinforcement chucking cylinder body 10.
Be provided with the left piston axon to adjusting pad 9 between described left piston body 7 and the piston fixed support 2, be provided with the axial adjusting pad 24 of right piston body between described right piston body 20 and the chuck body 26, the outer end of left piston body 7 is provided with claw fast moving spanner six square toes, and the inner of right piston body 20 and left piston body 7 is respectively equipped with a U type oil sealing 13 and a U type oil sealing hold-down ring 14.
Described piston rod 21 stretches into respectively in the hole in left piston body 7 and the right piston body 20 by oil pocket sealing ring 17 two ends, the left and right sides, and the two ends of piston rod 21 are provided with the 2nd U type oil sealing 11 and the 2nd U type oil sealing hold-down ring 12.
Be provided with reinforcement leading screw feather key 6 between described reinforcement screw set 27 and the left piston body 7.
Described reinforcement chucking cylinder body 10 also is provided with the plug cock 18 corresponding with left oil pocket 16 and right oil pocket 19.
Be provided with thrust bearing 3 between described locking nut 4 and the reinforcement leading screw 5, the outer end of reinforcement leading screw 5 is provided with reinforcement spanner hexagonal hole.
It is locked with leading screw 1 that the chuck body 26 of described reinforcement chucking cylinder body 10 bottoms is provided with claw, the locked outer end with leading screw 1 of claw is provided with the locked spanner hexagonal hole of oil cylinder, the locked the inner with leading screw 1 of claw is provided with locking with pinion 25, and locking is meshed with gear wheel 23 with locking on being located at right piston body 20 with pinion 25.
Outside, hole in the described right piston body 20 is provided with end cap 22.The end of described reinforcement leading screw 5 also is provided with a check valve.
When the chucking workpiece, if during the less or bigger need of diameter of work fast moving claw, with the special spanner left piston body 7 that turns clockwise at position B place, left piston body 7 connects with reinforcement chucking oil cylinder 10 by piston body feather key 9, thereby drive claw 15 rotations, claw 15 is moved forward, realize that claw tightens workpiece fast, realize then that oppositely claw unclamps workpiece fast.Left piston body 7 is adjusted to adjusting pad by reconditioning left piston axon with the end play of piston fixed head.After claw 15 moves quickly into surface of the work and workpiece contacts, again by the reinforcement screw mandrel 5 that turns clockwise in the C position of hexagon spanner in special-purpose, connect by T type screw thread pair between reinforcement screw mandrel 5 and the reinforcement screw mandrel cover 27, realize moving axially by reinforcing wire bar feather key 6 during rotation, to left oil pocket 16 and right oil pocket 19 volumes are changed, thereby make left oil pocket 16 promote reinforcement chucking oil cylinder 10 and claw 15 whole microdisplacements, realization reinforcement chucking, must be behind the reinforcement chucking by the locked spanner of the oil cylinder hexagonal hole A that turns clockwise with spanner, drive locking with locking pinion 25 and rotate (23 with gear wheel 23,25 is real in being with gear nut (thread rotary orientation one the first from left right side), the flank of tooth is brought near reinforcement chucking cylinder body and is realized mechanical interlocking during rotation) the realization mechanical interlocking, being rotated counterclockwise the locked spanner of oil cylinder then loosens reinforcement chucking oil cylinder with hexagonal hole A, a left side (right side) piston has enough strokes when making reinforcement chucking oil cylinder return to initial position with assurance reinforcement chucking, and a function is for prolonging the service life of seal again.Gap between reinforcement chucking oil cylinder 10 and the left and right sides piston guarantees by grinding, do not leak in order to make hydraulic oil, has increased the sealing that the sealing ring hold-down ring guarantees sealing ring between sealing ring.Otherwise, realize that then hydraulic booster unclamps.This hydraulic booster device has solved the brute force chucking of common feed screw nut's type of belt drive well and has unclamped and the contradiction of mechanical grip screw increase of cumbersome mobile master jaw and cost when tightening, reduce working strength of workers, shorten non-cutting time, improve the cost performance of labor productivity and lathe, the growth of controlling cost.
Claims (10)
1. hydraulic booster gripping mechanism, include the chuck body (26) that is located on the machine tool chief axis, claw (15) is arranged in the chuck body (26), it is characterized in that: the reinforcement that described claw (15) is arranged in the chuck body (26) tightens on the cylinder body (10), reinforcement chucking cylinder body (10) is divided into left oil pocket (16) and right oil pocket (19) by left and right sides oil pocket sealing ring (17), be provided with left piston body (7) in the left side oil pocket (16), be provided with right piston body (20) in the right oil pocket (19), left piston body (7) is installed on the chuck body (26) by piston fixed support (2), right piston body (20) outer end is arranged on the chuck body (26), be provided with piston rod (21) between left piston body (7) and the right piston body (20), reinforcement leading screw (5) is arranged on endoporus one end of left piston body (7) by reinforcement screw set (27), and the outer end of reinforcement leading screw (5) is provided with locking nut (4).
2. hydraulic booster gripping mechanism as claimed in claim 1, it is characterized in that: be provided with first piston body feather key (9) between described left piston body (7) and the reinforcement chucking cylinder body (10), be provided with the second piston body feather key (28) between right piston body (20) and the reinforcement chucking cylinder body (10).
3. hydraulic booster gripping mechanism as claimed in claim 1, it is characterized in that: be provided with the left piston axon to adjusting pad (9) between described left piston body (7) and the piston fixed support (2), be provided with the axial adjusting pad of right piston body (24) between described right piston body (20) and the chuck body (26), the outer end of left piston body (7) is provided with claw fast moving spanner six square toes, and the inner of right piston body (20) and left piston body (7) is respectively equipped with a U type oil sealing (13) and a U type oil sealing hold-down ring (14).
4. hydraulic booster gripping mechanism as claimed in claim 1, it is characterized in that: described piston rod (21) stretches into respectively in the hole in left piston body (7) and the right piston body (20) by left and right sides oil pocket sealing ring (17) two ends, and the two ends of piston rod (21) are provided with the 2nd U type oil sealing (11) and the 2nd U type oil sealing hold-down ring (12).
5. hydraulic booster gripping mechanism as claimed in claim 1 is characterized in that: be provided with reinforcement leading screw feather key (6) between described reinforcement screw set (27) and the left piston body (7).
6. hydraulic booster gripping mechanism as claimed in claim 1 is characterized in that: described reinforcement chucking cylinder body (10) also is provided with the plug cock (18) corresponding with left oil pocket (16) and right oil pocket (19).
7. hydraulic booster gripping mechanism as claimed in claim 1 is characterized in that: be provided with thrust bearing (3) between described locking nut (4) and the reinforcement leading screw (5), the outer end of reinforcement leading screw (5) is provided with reinforcement spanner hexagonal hole.
8. hydraulic booster gripping mechanism as claimed in claim 1, it is characterized in that: it is locked with leading screw (1) that the chuck body (26) of described reinforcement chucking cylinder body (10) bottom is provided with claw, the locked outer end with leading screw (1) of claw is provided with the locked spanner hexagonal hole of oil cylinder, the locked the inner with leading screw (1) of claw is provided with locking with pinion (25), and locking is meshed with gear wheel (23) with locking on being located at right piston body (20) with pinion (25).
9. hydraulic booster gripping mechanism as claimed in claim 4 is characterized in that: the outside, hole in the described right piston body (20) is provided with end cap (22).
10. hydraulic booster gripping mechanism as claimed in claim 7 is characterized in that: the end of described reinforcement leading screw (5) also is provided with a check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201821208U CN201300223Y (en) | 2008-11-26 | 2008-11-26 | Hydraulic power chucking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201821208U CN201300223Y (en) | 2008-11-26 | 2008-11-26 | Hydraulic power chucking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201300223Y true CN201300223Y (en) | 2009-09-02 |
Family
ID=41083842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201821208U Expired - Fee Related CN201300223Y (en) | 2008-11-26 | 2008-11-26 | Hydraulic power chucking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201300223Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089171A (en) * | 2013-01-18 | 2013-05-08 | 杭州祥龙钻探设备有限公司 | Double-hydraulic chuck for coal mine underground drill rig |
-
2008
- 2008-11-26 CN CNU2008201821208U patent/CN201300223Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089171A (en) * | 2013-01-18 | 2013-05-08 | 杭州祥龙钻探设备有限公司 | Double-hydraulic chuck for coal mine underground drill rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20111126 |