CN210908164U

CN210908164U - Double-acting power chuck

Info

Publication number: CN210908164U
Application number: CN201921338630.4U
Authority: CN
Inventors: 张国斌; 武鹏; 陈永胜; 姚萍
Original assignee: Hohhot Zhonghuan Industry And Trade Co ltd
Current assignee: Hohhot Zhonghuan Industry And Trade Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-07-03
Anticipated expiration: 2029-08-19

Abstract

The utility model relates to a chuck technical field especially relates to a two effect power chucks. The clamping and loosening actions of the clamping jaws can be controlled through the connecting shaft, the front and back positions of the front baffle can be adjusted through the control push rod, so that the front and back positions of a clamped workpiece can be adjusted, the workpiece can be clamped through double-acting composite adjustment, the clamping and loosening actions of the clamping jaws can be controlled through the driving of the pull rod of a traditional chuck through a hydraulic control system, the front and back positions of the clamping position of the workpiece can not be automatically adjusted, and the problems that manual adjustment wastes time and labor and is low in working efficiency are solved; the push rod and the connecting shaft respectively control the clamping and the front-back adjusting actions and are in complementary interference in the movement process; set up the glib talker on the apron, accessible glib talker adds lubricating oil to wedge cover and mounting groove position, reduces the wearing and tearing of wedge cover for chuck life increases.

Description

Double-acting power chuck

Technical Field

The utility model relates to a chuck technical field especially relates to a two effect power chucks.

Background

The small-sized precise high-speed machining center is a multipurpose precise high-speed machine tool, a chuck is usually used for clamping a workpiece when the workpiece is machined by using the small-sized precise high-speed machining center, and a three-jaw chuck and a four-jaw chuck are commonly used; when the clamping jaw is used, the hydraulic control system drives the pull rod to control the clamping and loosening actions of the clamping jaw, but the clamping position of a workpiece cannot be automatically adjusted, manual adjustment wastes time and labor, the working efficiency is low, and the clamping jaw is very inconvenient to process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem, the technical deficiency that exists is directed against the aforesaid, a double-acting power chuck is provided, adopt the design of double-acting positioner, can control the centre gripping and the action of loosening of jack catch through the connecting axle, can adjust the fore-and-aft position of preceding baffle through the control push rod, thereby realize adjusting the fore-and-aft position of centre gripping work piece, double-acting composite adjustment centre gripping work piece, it is very convenient in the work piece course of working, it drives the centre gripping and the action of loosening of pull rod control jack catch through hydraulic control system to have solved traditional chuck, can not automatically regulated around the centre gripping position of work piece, the manual regulation wastes time and energy the problem that work efficiency is; the push rod and the connecting shaft respectively control the clamping and the front-back adjusting actions and are in complementary interference in the movement process; set up the glib talker on the apron, accessible glib talker adds lubricating oil to wedge cover and mounting groove position, reduces the wearing and tearing of wedge cover for chuck life increases.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the chuck comprises a chuck main body, a sliding seat, a T-shaped block, a front baffle, a connecting disc and a double-acting positioning device; a plurality of sliding grooves are formed in the periphery of the top of the chuck main body; the sliding seat is connected inside the sliding groove in a sliding manner; a clamping groove is formed in the top of the sliding seat; the T-shaped block is connected inside the clamping groove in a sliding manner; the top of the T-shaped block is provided with a clamping jaw; the clamping jaw and the T-shaped block are fixedly locked through a bolt; the middle part of the chuck main body is provided with a mounting groove in a through way; the connecting disc is fixedly arranged at the bottom of the mounting groove; the double-acting positioning device is arranged in the middle of the mounting groove; the double-acting positioning device comprises a wedge-shaped sleeve, a push rod, a sealing ring and a cover plate; the periphery of the wedge-shaped sleeve is provided with a guide groove; one end of the sliding seat is provided with a guide block; the guide block is connected inside the guide groove in a sliding mode.

Further optimize this technical scheme, wedge type cover sliding connection inside the mounting groove.

Further optimizing the technical scheme, the middle part of the wedge-shaped sleeve is provided with a central groove in a penetrating way; the push rod is connected to the middle of the central groove in a sliding mode.

Further optimizing the technical scheme, the wedge-shaped sleeve is provided with a groove at the top of the central groove; a sealing cover is fixedly arranged in the groove; the sealing cover and the push rod are sealed through a sealing ring.

Further optimizing the technical scheme, the cover plate is fixedly arranged at the top of the mounting groove; the middle part of the cover plate is provided with a through hole; a dustproof ring is fixedly arranged at the top of the through hole; the push rod penetrates through the middle of the through hole; the through hole and the push rod are sealed through a dustproof ring.

Further optimizing the technical scheme, the top of the push rod is fixedly provided with a fixed disc; the front baffle is fixedly arranged at the top of the fixed disk.

Further optimizing the technical scheme, an oil port is arranged on one side of the middle part of the cover plate in a penetrating manner; the oil port is provided with an oil nozzle; the distance from the oil port center to the cover plate center is equal to the radius of the mounting groove.

Further optimizing the technical scheme, the bottom of the push rod is provided with a fixed shaft; the bottom of the wedge-shaped sleeve is provided with a connecting shaft; the middle part of the connecting shaft is provided with a connecting groove; the connecting groove is communicated with the central groove.

Compared with the prior art, the utility model has the advantages of it is following: 1. the double-acting positioning device is designed, and the clamping and loosening actions of the clamping jaws can be controlled through the connecting shaft; 2. the front and rear positions of the front baffle can be adjusted by controlling the push rod, so that the front and rear positions of the clamped workpiece can be adjusted; 3. the double-acting composite adjusting clamping workpiece is very convenient in the workpiece processing process, and solves the problems that the clamping position of the workpiece cannot be automatically adjusted in the front and back direction and the manual adjustment wastes time and energy and has low working efficiency because the traditional chuck drives the pull rod to control the clamping and loosening actions of the clamping jaws through a hydraulic control system; 4. the push rod and the connecting shaft respectively control the clamping and the front-back adjusting actions and are in complementary interference in the movement process; 5. the oil nozzle is arranged on the cover plate, lubricating oil can be added to the wedge-shaped sleeve and the mounting groove through the oil nozzle, abrasion of the wedge-shaped sleeve is reduced, and the service life of the chuck is prolonged; 6. the sealing cover and the push rod are sealed through a sealing ring, so that the sealing between the wedge-shaped sleeve and the push rod can be realized; 7. the push rod and the cover plate are sealed through the dustproof ring, and the dustproof effect in the chuck can be achieved.

Drawings

FIG. 1 is an elevational view of an integral chuck mounting of a double acting power chuck.

Fig. 2 is a perspective view of an integral chuck mounting of a double acting power chuck.

FIG. 3 is a partial cross-sectional view of a chuck internal mounting structure of a dual action power chuck.

Fig. 4 is a block diagram of a wedge of a dual action power chuck.

In the figure: 1. a chuck body; 101. a chute; 102. mounting grooves; 2. a slide base; 201. a card slot; 202. a guide block; 3. a T-shaped block; 4. a front baffle; 5. a connecting disc; 6. a double-acting positioning device; 601. a wedge sleeve; 602. a push rod; 603. a seal ring; 604. a cover plate; 605. a guide groove; 606. a central slot; 607. a groove; 608. a sealing cover; 609. a through hole; 610. a dust ring; 611. fixing the disc; 612. an oil port; 613. a nozzle tip; 614. a fixed shaft; 615. a connecting shaft; 616. connecting grooves; 7. a claw is provided.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows: referring to fig. 1-4, a dual action power chuck is characterized by: the automatic chuck comprises a chuck main body 1, a sliding seat 2, a T-shaped block 3, a front baffle 4, a connecting disc 5 and a double-acting positioning device 6; the periphery of the top of the chuck main body 1 is provided with a plurality of sliding grooves 101; the sliding seat 2 is connected inside the sliding groove 101 in a sliding manner; the top of the sliding seat 2 is provided with a clamping groove 201; the T-shaped block 3 is connected inside the clamping groove 201 in a sliding mode; the top of the T-shaped block 3 is provided with a clamping jaw 7; the clamping jaw 7 and the T-shaped block 3 are fixedly locked through a bolt; the middle part of the chuck main body 1 is provided with a mounting groove 102 in a penetrating way; the connecting disc 5 is fixedly arranged at the bottom of the mounting groove 102; the double-acting positioning device 6 is arranged in the middle of the mounting groove 102; the double-acting positioning device 6 comprises a wedge-shaped sleeve 601, a push rod 602, a sealing ring 603 and a cover plate 604; the periphery of the wedge-shaped sleeve 601 is provided with a guide groove 605; one end of the sliding seat 2 is provided with a guide block 202; the guide block 202 is slidably connected inside the guide groove 605; the wedge-shaped sleeve 601 is connected inside the mounting groove 102 in a sliding manner; the middle part of the wedge-shaped sleeve 601 is provided with a central groove 606 in a penetrating way; the push rod 602 is connected to the middle of the central groove 606 in a sliding manner; a groove 607 is arranged on the wedge-shaped sleeve 601 at the top of the central groove 606; a sealing cover 608 is fixedly arranged in the groove 607; the sealing cover 608 and the push rod 602 are sealed through a sealing ring 603; the cover plate 604 is fixedly arranged at the top of the mounting groove 102; a through hole 609 is formed in the middle of the cover plate 604; a dustproof ring 610 is fixedly arranged at the top of the through hole 609; the push rod 602 penetrates through the middle of the through hole 609; the through hole 609 and the push rod 602 are sealed by a dustproof ring 610; a fixed disc 611 is fixedly arranged at the top of the push rod 602; the front baffle 4 is fixedly arranged at the top of the fixed disc 611; an oil port 612 is arranged on one side of the middle part of the cover plate 604 in a penetrating manner; an oil nozzle 613 is arranged at the oil port 612; the distance from the center of the oil port 612 to the center of the cover plate 604 is equal to the radius of the mounting groove 102; a fixed shaft 614 is arranged at the bottom of the push rod 602; the bottom of the wedge-shaped sleeve 601 is provided with a connecting shaft 615; the middle part of the connecting shaft 615 is provided with a connecting groove 616; the connecting slot 616 and the central slot 606 are through.

When in use, in the first step, as shown in fig. 1-4, the chuck body 1 is driven to move by using the double-acting rotary cylinder, the connecting groove 616 is connected with one of the piston rods of the double-acting rotary cylinder, and the fixed shaft 614 is connected with the other piston rod; when clamping a workpiece, the connecting shaft 615 moves towards the right side, thereby pushing the wedge sleeve 601 to slide towards the right side together, and' the periphery of the wedge sleeve 601 is provided with a guide groove 605; one end of the sliding seat 2 is provided with a guide block 202; the guide block 202 is slidably connected inside the guide groove 605', so when the wedge-shaped sleeve 601 moves towards the right side, the guide block 202 is pulled to move towards the middle part through the guide groove 605, when the guide block 202 moves towards the middle part, the sliding seat 2 is pulled to slide towards the middle part along the sliding groove 101, and the T-shaped block 3 is slidably connected inside the clamping groove 201; the top of the T-shaped block 3 is provided with a clamping jaw 7; the clamping jaw 7 and the T-shaped block 3 are fixedly locked by the bolt, so that the clamping jaw 7 is driven by the T-shaped block 3 to synchronously move towards the middle part when the sliding seat 2 moves towards the middle part, and the clamping jaw 7 clamps a workpiece when moving towards the middle part (the clamping action principle of the clamping jaw when clamping the workpiece towards the middle part is the same as that of a traditional chuck).

Step two, as shown in fig. 1-4, when the front and rear positions of the workpiece are adjusted, the push rod 602 is pushed by the fixed shaft 614 to move to the right, and the central groove 606 is arranged in the middle of the wedge-shaped sleeve 601 in a penetrating manner; the push rod 602 is slidably connected to the middle of the central groove 606', so when the push rod 602 moves to the right, the push rod 602 will slide to the right along the central groove 606 in the wedge-shaped sleeve 601, and the top of the push rod 602 is fixedly provided with a fixed disc 611; the front baffle 4 is fixedly arranged at the top of the fixed disc 611', so when the push rod 602 moves towards the right side, the front baffle 4 is pushed by the fixed disc 611 to move towards the right side together, and when the front baffle 4 moves towards the right side, the workpiece is pushed to move towards the right side, so that the action of adjusting the front and rear positions of the workpiece is realized; the push rod 602 and the connecting shaft 615 control the clamping and back and forth adjustment actions, respectively, and interfere complementarily during the movement.

In conclusion, the double-acting positioning device 6 is designed to control the clamping and loosening actions of the clamping jaw 7 through the connecting shaft 615, and the front and back positions of the front baffle plate 4 can be adjusted through the control push rod 602, so that the front and back positions of a clamped workpiece can be adjusted, the workpiece can be clamped through double-acting combined adjustment, the clamping and loosening actions of the clamping jaw can be controlled through the pull rod driven by the traditional chuck through the hydraulic control system, the front and back positions of the clamped workpiece can not be automatically adjusted, the workpiece is very inconvenient to process, and the labor and time are wasted during manual adjustment, and the working efficiency is low.

Because' the top of the central groove 606 is provided with a groove 607 on the wedge-shaped sleeve 601; a sealing cover 608 is fixedly arranged in the groove 607; the sealing cover 608 and the push rod 602 are sealed through a sealing ring 603', and the sealing cover 608 and the push rod 602 are provided with the sealing ring 603, so that the sealing effect between the wedge-shaped sleeve 601 and the push rod 602 can be achieved; because the cover plate 604 is fixedly arranged at the top of the mounting groove 102; a through hole 609 is formed in the middle of the cover plate 604; a dustproof ring 610 is fixedly arranged at the top of the through hole 609; the push rod 602 penetrates through the middle of the through hole 609; the through hole 609 and the push rod 602 are sealed by the dust ring 610', so the installation of the dust ring 610 can isolate the outer part of the chuck main body 1 from the installation groove 102 in the chuck main body 1, and prevent dust from entering the inner part of the chuck main body 1 to damage and increase abrasion to the inner components.

An oil port 612 is arranged on one side of the middle part of the cover plate 604 in a penetrating way; the oil port 612 is provided with an oil nozzle 613. The distance from the center of the oil port 612 to the center of the cover plate 604 is equal to the radius of the mounting groove 102', and lubricating oil can be added into the chuck body 1 through the oil nozzle 613 of the oil port 612, so that the abrasion between the wedge sleeve 601 and the mounting groove 102 and between the wedge sleeve 601 and the sliding seat 2 is reduced, the service life of the chuck body 1 is longer, and the precision is higher.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A double-acting power chuck, characterized by: the automatic chuck comprises a chuck main body (1), a sliding seat (2), a T-shaped block (3), a front baffle (4), a connecting disc (5) and a double-acting positioning device (6); the periphery of the top of the chuck main body (1) is provided with a plurality of sliding grooves (101); the sliding seat (2) is connected inside the sliding groove (101) in a sliding manner; a clamping groove (201) is formed in the top of the sliding seat (2); the T-shaped block (3) is connected inside the clamping groove (201) in a sliding manner; the top of the T-shaped block (3) is provided with a clamping jaw (7); the clamping jaw (7) and the T-shaped block (3) are fixedly locked through a bolt; the middle part of the chuck main body (1) is provided with a mounting groove (102) in a penetrating way; the connecting disc (5) is fixedly arranged at the bottom of the mounting groove (102); the double-acting positioning device (6) is arranged in the middle of the mounting groove (102); the double-acting positioning device (6) comprises a wedge-shaped sleeve (601), a push rod (602), a sealing ring (603) and a cover plate (604); the periphery of the wedge-shaped sleeve (601) is provided with a guide groove (605); one end of the sliding seat (2) is provided with a guide block (202); the guide block (202) is connected inside the guide groove (605) in a sliding mode.

2. A double acting power chuck according to claim 1, wherein: the wedge-shaped sleeve (601) is connected inside the mounting groove (102) in a sliding mode.

3. A double acting power chuck according to claim 1, wherein: the middle part of the wedge-shaped sleeve (601) is provided with a central groove (606) in a penetrating way; the push rod (602) is connected to the middle of the central groove (606) in a sliding mode.

4. A double acting power chuck according to claim 3, wherein: a groove (607) is arranged on the wedge sleeve (601) at the top of the central groove (606); a sealing cover (608) is fixedly arranged in the groove (607); the sealing cover (608) and the push rod (602) are sealed through a sealing ring (603).

5. A double acting power chuck according to claim 1, wherein: the cover plate (604) is fixedly arranged at the top of the mounting groove (102); a through hole (609) is formed in the middle of the cover plate (604); a dustproof ring (610) is fixedly arranged at the top of the through hole (609); the push rod (602) penetrates through the middle part of the through hole (609); the through hole (609) and the push rod (602) are sealed by a dustproof ring (610).

6. A double acting power chuck according to claim 1, wherein: the top of the push rod (602) is fixedly provided with a fixed disc (611); the front baffle (4) is fixedly arranged at the top of the fixed disc (611).

7. A double acting power chuck according to claim 1, wherein: an oil port (612) is arranged on one side of the middle part of the cover plate (604) in a penetrating way; an oil nozzle (613) is arranged at the oil port (612); the distance from the center of the oil port (612) to the center of the cover plate (604) is equal to the radius of the mounting groove (102).

8. A double acting power chuck according to claim 3, wherein: a fixed shaft (614) is arranged at the bottom of the push rod (602); the bottom of the wedge-shaped sleeve (601) is provided with a connecting shaft (615); the middle part of the connecting shaft (615) is provided with a connecting groove (616); the connecting groove (616) is communicated with the central groove (606).