CN220216765U

CN220216765U - Flexible eccentric equipment

Info

Publication number: CN220216765U
Application number: CN202321798496.2U
Authority: CN
Inventors: 张海峰; 乔锦治; 杨喜文; 李方海
Original assignee: Harbin Shitong Warner Power Equipment Manufacturing Co ltd
Current assignee: Harbin Shitong Warner Power Equipment Manufacturing Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2023-12-22
Anticipated expiration: 2033-07-10

Abstract

The utility model discloses flexible eccentric equipment, which comprises a main shaft, wherein the inner wall of the top of the main shaft is penetrated and provided with a main shaft positioning disk, the top of the main shaft positioning disk is provided with a main shaft disk, the top of the main shaft disk is provided with an eccentric disk, the center position of the top of the eccentric disk is penetrated and provided with a chuck seat, the top of the chuck seat is provided with a chuck, a third screw which is uniformly distributed is penetrated and in threaded connection between the main shaft and the main shaft disk, and a fourth screw which is uniformly distributed is penetrated and in threaded connection between the main shaft and the main shaft positioning disk. When the flexible eccentric device is used, firstly, when the workpiece is in an irregular shape, the position clamped by the center needs to be adjusted to carry out flexible eccentric adjustment, the eccentric disc is pulled out from the locating pin, then the position of the locating pin above the eccentric groove is adjusted according to the workpiece, and accurate position adjustment is carried out according to data on the three eccentric grooves.

Description

Flexible eccentric equipment

Technical Field

The utility model relates to the field of three-jaw chucks, in particular to flexible eccentric equipment.

Background

In the process of using the three-jaw chuck, flexible eccentric equipment is widely used for clamping and adjusting a workpiece, the three-jaw chuck refers to a machine tool accessory for clamping and positioning the workpiece by utilizing radial movement of three movable jaws uniformly distributed on a chuck body, and the three-jaw chuck consists of the chuck body, the movable jaws and a jaw driving mechanism. The lower surface of the three-jaw chuck is provided with threads which are meshed with planar threads on the back surface of the bevel disk gear, when the bevel disk gear is rotated by using a spanner through a square hole, the planar threads on the back surface drive the three jaws to approach or withdraw from the center at the same time, so as to clamp workpieces with different diameters, and the flexible eccentric equipment is also applied in the use process of the three-jaw chuck.

At present, flexible eccentric equipment is needed to clamp and adjust workpieces in the use process of the three-jaw chuck, so that the three-jaw chuck is convenient to use, but when the existing three-jaw chuck is used, the existing three-jaw chuck can only clamp at the central position generally, the irregular workpieces cannot be clamped, eccentric turning is not flexible enough, and the three-jaw chuck is limited in use.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides flexible eccentric equipment.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a flexible eccentric equipment, includes the main shaft, main shaft top inner wall runs through and is provided with the main shaft positioning disk, main shaft positioning disk top is provided with the main shaft dish, main shaft dish top is provided with the eccentric dish, eccentric dish top central point puts the department and runs through and be provided with the chuck seat, chuck seat top is provided with the chuck, run through and threaded connection have evenly distributed's third screw between main shaft and the main shaft dish, run through and threaded connection have evenly distributed's fourth screw between main shaft and the main shaft positioning disk, eccentric dish top central point puts the department and runs through and be provided with evenly distributed's eccentric groove, the front end eccentric groove internal diameter left side runs through and sliding connection has the locating pin, and locating pin bottom fixedly connected with main shaft dish.

As a further description of the above technical solution:

the top of the main shaft is provided with a main shaft disc.

As a further description of the above technical solution:

the top of the chuck is penetrated and connected with movable claws which are uniformly distributed in a sliding way.

As a further description of the above technical solution:

and the center positions of the left side and the right side of the top of the eccentric disc are penetrated and connected with fifth screws in a threaded manner.

As a further description of the above technical solution:

and a locating pin penetrates through and is connected with the position of the left side center of the top of the eccentric disc in a sliding manner.

As a further description of the above technical solution:

and the front, back, left and right positions of the center position of the top of the eccentric disc are penetrated and connected with second pins in a sliding manner.

As a further description of the above technical solution:

the second screws which are evenly distributed penetrate and are in threaded connection between the chuck base and the chuck, and the first screws which are evenly distributed penetrate and are in threaded connection between the eccentric disc and the chuck base.

As a further description of the above technical solution:

the chuck base top front and back positions are all penetrated and connected with a first pin in a sliding way.

The utility model has the following beneficial effects:

when the flexible eccentric device is used, firstly, when a workpiece is in an irregular shape, the position clamped by the center needs to be adjusted to carry out flexible eccentric adjustment, the eccentric disc is pulled out from the locating pin, then the position of the locating pin above the eccentric groove is adjusted according to the workpiece, accurate position adjustment is carried out according to data on the three eccentric grooves, the locating pin is inserted into the position of the adjusted eccentric groove, the eccentric effect is achieved, the clamping position on the chuck is flexibly eccentric, the flexible eccentric device is flexible and convenient to use, and the irregular workpiece can be clamped and eccentric turning is carried out.

Drawings

FIG. 1 is a perspective view of a flexible eccentric arrangement in accordance with the present utility model;

FIG. 2 is a cross-sectional view of a flexible eccentric arrangement in accordance with the present utility model;

FIG. 3 is a cross-sectional fixed structure diagram of a flexible eccentric device according to the present utility model;

FIG. 4 is a top view of a flexible eccentric arrangement of the present utility model with an eccentricity of 10;

FIG. 5 is a top view of a flexible eccentric arrangement according to the present utility model with an eccentricity of 0;

FIG. 6 is a front view of an eccentric disc of a flexible eccentric arrangement in accordance with the present utility model;

fig. 7 is an enlarged view at a in fig. 6.

Legend description:

1. a movable claw; 2. a chuck; 3. an eccentric disc; 4. a spindle disc; 5. a main shaft; 6. a spindle positioning disk; 7. a first pin; 8. positioning pins; 9. a first screw; 10. a second screw; 11. a third screw; 12. a fourth screw; 13. a second pin; 14. a fifth screw; 15. a positioning pin; 16. an eccentric groove; 17. and a chuck base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-7, one embodiment provided by the present utility model is: the flexible eccentric device comprises a main shaft 5, a main shaft positioning disk 6 is penetrated and arranged on the inner wall of the top of the main shaft 5, a main shaft disk 4 is arranged on the top of the main shaft positioning disk 6, an eccentric disk 3 is arranged on the top of the main shaft disk 4, the position of a flexible eccentric can be adjusted according to the fact that a workpiece is inserted into the proper position of the eccentric groove 16, the eccentric disk 3 is fixed above the main shaft disk 4, a chuck seat 17 is penetrated and arranged at the center position of the top of the eccentric disk 3, a chuck 2 is arranged at the top of the chuck seat 17, a third screw 11 which penetrates and is in threaded connection with the main shaft 5 and the main shaft disk 4 and is uniformly distributed is penetrated and in threaded connection with a fourth screw 12 which penetrates and is uniformly distributed between the main shaft 5 and the main shaft positioning disk 6, an eccentric groove 16 which is uniformly distributed is penetrated and is arranged at the center position of the top of the eccentric disk 3, the position of the eccentric disk 3 is accurately adjusted according to data on the three eccentric grooves 16, the position of the positioning pin 8 is aligned, the left side of the inner diameter of the eccentric groove 16 penetrates and is slidingly connected with the positioning pin 8, when the workpiece is in an irregular shape, the position of the eccentric disk 3 is required to be adjusted, the eccentric disk 3 is pulled off from the positioning pin 8, and the eccentric disk 4 is fixed according to the position of the eccentric disk is fixed at the position of the eccentric disk 4.

The top of the spindle 5 is provided with a spindle disk 4, the top of the chuck 2 is penetrated and slidingly connected with movable claws 1 which are uniformly distributed, after flexible eccentric position adjustment is completed, the positions of the movable claws 1 can be moved to clamp, the movable claws 1 are of an existing structure, the movable claws are flexible and convenient to use, an irregular object is clamped, eccentric turning is realized, center positions on the left side and the right side of the top of the eccentric disk 3 are penetrated and slidingly connected with fifth screws 14, center positions on the left side and the right side of the top of the eccentric disk 3 are penetrated and slidingly connected with positioning pins 15, center positions on the front side, the back side, the left side and the right side of the top of the eccentric disk 3 are penetrated and slidingly connected with second pins 13, second screws 10 which are uniformly distributed are penetrated and threadedly connected between a chuck seat 17 and the chuck 2, first screws 9 which are uniformly distributed are penetrated and threadedly connected between the eccentric disk 3 and the chuck seat 17, and the center positions on the front side and the back side of the top of the chuck seat 17 are penetrated and slidingly connected with first pins 7.

Working principle: when the three-jaw chuck is used, flexible eccentric equipment is needed, when a workpiece is in an irregular shape, the eccentric position is needed to be adjusted, firstly, the eccentric disc 3 is pulled out of the locating pin 8, the eccentric disc 3 can be taken off, then the eccentric position is adjusted according to the processed workpiece, the accurate adjustment is carried out according to data on the three eccentric grooves 16, then the position of the locating pin 8 is aligned, the adjustment of the flexible eccentric position can be achieved according to the fact that the workpiece is inserted into the proper position of the eccentric groove 16, the eccentric disc 3 is fixed above the main shaft disc 4, after the adjustment of the flexible eccentric position is completed, the position of the movable jaw 1 can be moved to clamp, the movable jaw 1 is of an existing structure, the use is flexible and convenient, the purpose of clamping an irregular object is achieved, and eccentric turning is achieved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Flexible eccentric equipment, including main shaft (5), its characterized in that: the novel spindle comprises a spindle (5), and is characterized in that a spindle positioning disc (6) is penetrated and arranged on the inner wall of the top of the spindle (5), a spindle disc (4) is arranged on the top of the spindle positioning disc (6), an eccentric disc (3) is arranged on the top of the spindle disc (4), a chuck seat (17) is penetrated and arranged at the center position of the top of the eccentric disc (3), a chuck (2) is arranged on the top of the chuck seat (17), a third screw (11) which is uniformly distributed is penetrated and in threaded connection with the spindle (5) and the spindle disc (4), a fourth screw (12) which is uniformly distributed is penetrated and in threaded connection with the spindle positioning disc (6), an eccentric groove (16) which is uniformly distributed is penetrated and arranged at the center position of the top of the eccentric disc (3), a positioning pin (8) is penetrated and in sliding connection with the left side of the inner diameter of the eccentric groove (16), and the bottom of the positioning pin (8) is fixedly connected with the spindle disc (4).

2. A flexible eccentric arrangement as in claim 1, wherein: the top of the main shaft (5) is provided with a main shaft disc (4).

3. A flexible eccentric arrangement as in claim 1, wherein: the top of the chuck (2) penetrates through and is connected with movable claws (1) which are uniformly distributed in a sliding manner.

4. A flexible eccentric arrangement as in claim 1, wherein: and the center positions of the left side and the right side of the top of the eccentric disc (3) are respectively penetrated and connected with a fifth screw (14) in a threaded manner.

5. A flexible eccentric arrangement as in claim 1, wherein: and a locating pin (15) penetrates through and is connected with the position of the eccentric disc (3) at the left side of the top, which is far from the rear, in a sliding manner.

6. A flexible eccentric arrangement as in claim 1, wherein: the center of the top of the eccentric disc (3) is penetrated and connected with a second pin (13) in a sliding way at the front, back, left and right positions.

7. A flexible eccentric arrangement as in claim 1, wherein: second screws (10) which are uniformly distributed penetrate and are in threaded connection between the chuck base (17) and the chuck (2), and first screws (9) which are uniformly distributed penetrate and are in threaded connection between the eccentric disc (3) and the chuck base (17).

8. A flexible eccentric arrangement as in claim 1, wherein: the front and rear positions of the top of the chuck seat (17) are respectively penetrated and connected with a first pin (7) in a sliding way.