CN219074946U

CN219074946U - Clamping device for horizontal numerical control lathe

Info

Publication number: CN219074946U
Application number: CN202223278014.9U
Authority: CN
Inventors: 袁桂荣
Original assignee: Changde Jixin Plastic Packing Materials Co ltd
Current assignee: Changde Jixin Plastic Packing Materials Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-05-26
Anticipated expiration: 2032-12-07

Abstract

The utility model belongs to the technical field of lathes, in particular to a clamping device for a horizontal numerical control lathe, which comprises a lathe bed, wherein a guide rail is arranged at the top of the lathe bed, a spindle box is arranged at one side of the top of the lathe bed, a support is fixed at the top of the guide rail, a ring plate is fixed at the top of the support, a ring frame is rotationally connected to the front end of the ring plate, three sliding sleeves which are equidistantly and circumferentially distributed are rotationally connected to the inner outer edge of the ring frame, three supporting rods which are equidistantly and circumferentially distributed are rotationally connected to the outer edge of the front surface of the ring plate, a roller is rotationally connected to the inner end of each supporting rod, an extending lug is fixed on the outer wall of one side of the ring frame, and a limiting sleeve is rotationally connected to the front end of each extending lug.

Description

Clamping device for horizontal numerical control lathe

Technical Field

The utility model belongs to the technical field of lathes, and particularly relates to a clamping device for a horizontal numerical control lathe.

Background

The numerical control lathe is one of the numerical control lathes widely used at present, and is mainly used for cutting machining of inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces of any cone angle, complex rotation inner and outer curved surfaces, cylindrical threads, conical threads and the like, and the fixture is a device used for fixing a machining object in the mechanical manufacturing process so as to occupy the correct position to accept construction and detection;

through investigation publication (bulletin) number: 202020921108.5 the technology discloses a clamping device for a lathe, and the technical proposal that a lathe claw comprises a connecting part and an installation part, wherein the connecting part is clamped into a clamping groove to slide along the length direction of the clamping groove, the installation part is positioned outside a lathe chuck, the inner surface of the installation part is attached to the outer surface of the lathe chuck, and the like has the technical effects of improving the adaptation of the lathe claw and the lathe chuck, preventing the occurrence of shaking, and the like;

however, the above scheme needs to screw at different angles to fix the workpiece in the clamping process, and the eccentricity can occur in the fixing process, so that the workpiece is easy to shake in the processing process, and the processing precision is reduced.

In order to solve the problems, the application provides a clamping device for a horizontal numerical control lathe.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides the clamping device for the horizontal numerical control lathe, which has the characteristics of centering, clamping and fixing a workpiece, centering and limiting the workpiece, and avoiding motion interference caused by the rotation of the workpiece through the roller.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a clamping device for horizontal numerical control lathe, includes the lathe bed, the top of lathe bed is equipped with the guide rail, top one side of lathe bed is equipped with the headstock, be fixed with the fixing base on the main shaft of headstock, the top of guide rail is fixed with the support, the top of support is fixed with the link plate, the front end of link plate rotates and is connected with the link, the inside outer fringe of link plate rotates and is connected with the sliding sleeve that is three equidistance and encircle the distribution, the front surface outer fringe of link plate rotates and is connected with the branch that three equidistance encircleed the distribution, the inside rotation of the inner of branch is connected with the gyro wheel, one side outer wall of link plate is fixed with extends the ear, the front end that extends the ear rotates and is connected with the stop collar, the front surface upper position rotation of link plate is connected with the locating sleeve, the inside rotation of locating sleeve is connected with first knob lead screw.

As a preferable technical scheme of the clamping device for the horizontal numerical control lathe, a rear plate is fixed at the rear end of the inside of the fixed seat, four equidistant sliding grooves which are distributed in a surrounding mode are formed in the front end of the fixed seat and the rear plate, clamping heads are connected between the sliding grooves on the fixed seat and the sliding grooves on the rear plate in a sliding mode, a square plate is connected in a rotating mode at the center of the rear end of the rear plate, connecting rods are connected in four angles at the rear end of the square plate in a rotating mode, a second knob screw is connected in an inner threaded mode at the upper end of the fixed seat, and the lower end of the second knob screw is connected with one of the clamping heads in a rotating mode.

As a preferable technical scheme of the clamping device for the horizontal numerical control lathe, one end, far away from the square plate, of the connecting rod is rotationally connected with the chuck.

As a preferable technical scheme of the clamping device for the horizontal numerical control lathe, the annular plate is positioned right in front of the fixing seat.

As a preferable technical scheme of the clamping device for the horizontal numerical control lathe, the supporting rod is arranged in the sliding sleeve and is in sliding connection.

As a preferable technical scheme of the clamping device for the horizontal numerical control lathe, the outer wall of the first knob screw rod is in threaded connection with the inner wall of the limit sleeve.

Compared with the prior art, the utility model has the beneficial effects that: after the workpiece is inserted into the fixing seat for centering, clamping and fixing, the ring frame is driven to rotate by the first knob screw rod through the extending lug in a matched manner, and the ring frame drives the supporting rod to rotate through the sliding sleeve, so that the roller on the supporting rod is attached to the outer wall of the workpiece, centering and limiting are carried out, and movement interference caused by the rotation of the workpiece can be avoided through the roller;

through inserting the work piece inside the fixing base, rotatory second knob lead screw drives one of them chuck motion, and the chuck passes through the connecting rod and drives the square board and rotate, and the square board passes through three other connecting rods simultaneously and drives three other chuck motions respectively, realizes the centering centre gripping fixed to the work piece.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic structural view of a centering mechanism according to the present utility model;

FIG. 3 is a schematic view of the ring frame according to the present utility model;

FIG. 4 is a schematic view of a clamping device according to the present utility model;

FIG. 5 is a schematic view of the structure of the inside of the rear end of the clamping device according to the present utility model;

in the figure: 1. a bed body; 2. a guide rail; 3. a spindle box; 4. a bracket; 5. a ring plate; 6. a ring frame; 7. a sliding sleeve; 8. a support rod; 9. a roller; 10. extending the ears; 11. a limit sleeve; 12. a positioning sleeve; 13. a first knob lead screw; 14. a fixing seat; 15. a rear plate; 16. a chute; 17. a chuck; 18. a square plate; 19. a connecting rod; 20. and a second knob screw.

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.

Examples

Referring to fig. 1-5, the present utility model provides the following technical solutions: the clamping device for the horizontal numerical control lathe comprises a lathe bed 1 and is characterized in that: the top of lathe bed 1 is equipped with guide rail 2, top one side of lathe bed 1 is equipped with headstock 3, be fixed with fixing base 14 on the main shaft of headstock 3, the top of guide rail 2 is fixed with support 4, the top of support 4 is fixed with annular plate 5, the front end rotation of annular plate 5 is connected with ring frame 6, the inside outer fringe of annular plate 6 rotates and is connected with the sliding sleeve 7 that is three equidistance and encircle the distribution, the front surface outer fringe of annular plate 5 rotates and is connected with branch 8 that three equidistance encircled the distribution, the inside rotation of the inner of branch 8 is connected with gyro wheel 9, one side outer wall of annular frame 6 is fixed with and extends ear 10, the front end rotation of extending ear 10 is connected with stop collar 11, the front surface upper position rotation of annular plate 5 is connected with positioning sleeve 12, the inside rotation of positioning sleeve 12 is connected with first knob lead screw 13, in this embodiment, after the inside centering centre gripping of work piece insertion fixing base 14 is fixed, drive annular frame 6 through rotating through extending ear 10 through rotating first knob lead screw 13, annular frame 6, make gyro wheel 8 rotate through sliding sleeve 7, make gyro wheel 9 laminating work piece on branch 8, and the outer wall of work piece is rotated through the rotation of limiting collar 9 when carrying out the centering motion, and can avoid interference.

Specifically, the inside rear end of fixing base 14 is fixed with back plate 15, four equidistance are all offered in the inside of front end of fixing base 14 and the inside of back plate 15 and are encircleed the spout 16 that distributes, sliding connection has chuck 17 between spout 16 on the fixing base 14 and the spout 16 on the back plate 15, the rear end center rotation of back plate 15 is connected with square plate 18, four angles of the rear end of square plate 18 are all rotated and are connected with connecting rod 19, the upper end internal thread connection of fixing base 14 has second knob lead screw 20, and the lower extreme and one of them chuck 17 rotation connection of second knob lead screw 20, in this embodiment through inserting the work piece inside the fixing base 14, rotatory second knob lead screw 20 drives one of them chuck 17 motion, chuck 17 drives square plate 18 through connecting rod 19 and rotates, simultaneously square plate 18 drives three other chuck 17 motion respectively through three other connecting rod 19, realize the centering centre gripping fixed to the work piece.

Specifically, one end of the connecting rod 19 far away from the square plate 18 is rotationally connected with the chuck 17, and in this embodiment, the four square plates 18 can be driven to synchronously move by the four connecting rods 19 when the square plates 18 rotate.

Specifically, the ring plate 5 is located right in front of the fixed seat 14, so that in this embodiment, the center of the ring frame 6 is aligned with the center of the fixed seat 14.

Specifically, the support rod 8 is located in the sliding connection of the sliding sleeve 7, and in this embodiment, when the ring frame 6 rotates, the sliding sleeve 7 drives the support rod 8 to rotate, and meanwhile, the sliding sleeve 7 slides along the outer wall of the support rod 8.

Specifically, the outer wall of the first knob lead screw 13 is in threaded connection with the inner wall of the limit sleeve 11, so that the limit sleeve 11 can be driven to move along the outer wall of the first knob lead screw 13 when the first knob lead screw 13 is rotated in the embodiment.

The working principle and the using flow of the utility model are as follows: firstly, inserting a workpiece into a fixed seat 14, rotating a second knob screw 20 to drive one of chucks 17 to move, driving a square plate 18 to rotate by a connecting rod 19 through the chucks 17, and simultaneously driving the other three chucks 17 to move by the square plate 18 through the other three connecting rods 19 respectively to realize centering clamping and fixing of the workpiece; then rotate first knob lead screw 13 cooperation stop collar 11 and drive ring frame 6 through extending ear 10 and rotate, and ring frame 6 drives branch 8 through sliding sleeve 7 and rotates for gyro wheel 9 on branch 8 laminating work piece's outer wall carries out the centering spacing to it, and can avoid causing the motion interference when the work piece is rotatory through gyro wheel 9.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The clamping device for the horizontal numerical control lathe comprises a lathe bed (1), and is characterized in that: the top of lathe bed (1) is equipped with guide rail (2), top one side of lathe bed (1) is equipped with headstock (3), be fixed with fixing base (14) on the main shaft of headstock (3), the top of guide rail (2) is fixed with support (4), the top of support (4) is fixed with annular plate (5), the front end rotation of annular plate (5) is connected with annular frame (6), the inside outer fringe rotation of annular frame (6) is connected with sliding sleeve (7) that are three equidistance and encircle the distribution, the front surface outer fringe rotation of annular plate (5) is connected with branch (8) that three equidistance encircleed the distribution, the inside rotation of the inner of branch (8) is connected with gyro wheel (9), one side outer wall of annular frame (6) is fixed with extension ear (10), the front end rotation of extension ear (10) is connected with spacing cover (11), the front surface upper position rotation of annular plate (5) is connected with spacer sleeve (12), the inside rotation of spacer sleeve (12) is connected with first knob (13).

2. The clamping device for a horizontal numerically controlled lathe according to claim 1, wherein: the inside rear end of fixing base (14) is fixed with back plate (15), four equidistance around spout (16) of distribution have all been seted up to the inside of front end inside and back plate (15) of fixing base (14), sliding connection has chuck (17) between spout (16) on fixing base (14) and spout (16) on back plate (15), the rear end center rotation of back plate (15) is connected with square board (18), four angles of rear end of square board (18) are all rotated and are connected with connecting rod (19), the upper end internal thread connection of fixing base (14) has second knob lead screw (20), and the lower extreme and one of them chuck (17) of second knob lead screw (20) rotate and are connected.

3. The clamping device for a horizontal numerically controlled lathe according to claim 2, wherein: one end of the connecting rod (19) far away from the square plate (18) is rotationally connected with the clamping head (17).

4. The clamping device for a horizontal numerically controlled lathe according to claim 1, wherein: the annular plate (5) is positioned right in front of the fixing seat (14).

5. The clamping device for a horizontal numerically controlled lathe according to claim 1, wherein: the support rod (8) is arranged in the sliding sleeve (7) and is in sliding connection.

6. The clamping device for a horizontal numerically controlled lathe according to claim 1, wherein: the outer wall of the first knob screw rod (13) is in threaded connection with the inner wall of the limit sleeve (11).