CN218983203U

CN218983203U - Tailstock of numerical control lathe

Info

Publication number: CN218983203U
Application number: CN202223136706.XU
Authority: CN
Inventors: 段成; 冯月红
Original assignee: Shandong Chenyang Cnc Machine Tool Co ltd
Current assignee: Shandong Chenyang Cnc Machine Tool Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-09
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a tailstock of a numerical control lathe, which comprises a tailstock body, wherein a first telescopic rod is fixedly arranged on one side of the outer surface of the tailstock body, a movable seat is fixedly arranged at the movable end of the first telescopic rod, a mounting frame is fixedly connected to the top of the movable seat, a second telescopic rod is fixedly arranged at the top of the tail end of the mounting frame, a fixed frame is fixedly arranged at the movable end of the second telescopic rod, a shell is fixedly connected to the bottom of the fixed frame, and a centering clamping assembly is arranged on the shell. According to the utility model, through the first telescopic rod, the second telescopic rod, the movable seat, the fixed frame, the mounting frame, the shell and the centering clamping assembly, when the end face of the shaft part is required to be processed, the shaft part can be supported and clamped, so that the stability of the end face of the shaft part during processing is ensured, and meanwhile, the functionality of the tailstock is also increased.

Description

Tailstock of numerical control lathe

Technical Field

The utility model relates to the technical field of tailstocks, in particular to a tailstock of a numerical control lathe.

Background

The tailstock of the numerical control lathe is used for propping up a workpiece by using the center of the tailstock when machining shaft parts, so that the machining stability is ensured. The movement of the tailstock includes movement of the tailstock body and movement of the tailstock sleeve. The movement of the tailstock sleeve is used for enabling the center to tightly press or loosen a workpiece and is usually controlled by a manual or hydraulic cylinder;

at present, the tailstock of the numerical control lathe can only tightly jack a workpiece through the sleeve center, and when the end face of the workpiece is required to be processed, the tailstock cannot be used for tightly jack the workpiece, so that the stability of the end face of the workpiece during processing is poor.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a tailstock of a numerical control lathe.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a tailstock of numerical control lathe, includes the tailstock body, surface one side fixed mounting of tailstock body has first telescopic link, the movable end fixed mounting of first telescopic link has the movable seat, the top fixedly connected with mounting bracket of movable seat, the terminal top fixed mounting of mounting bracket has the second telescopic link, the movable end fixed mounting of second telescopic link has the fixed frame, the bottom fixedly connected with casing of fixed frame, the centering clamping assembly is installed to the casing.

Further, centering clamping assembly includes the third telescopic link, and third telescopic link fixed mounting is at the top of casing, the loose end fixedly connected with intermediate lever of third telescopic link, and intermediate lever runs through the inside of casing perpendicularly and extend to the bottom and with intermediate lever between sliding connection, the equal fixedly connected with sloping block in surface both sides of intermediate lever, the top rotation of intermediate lever is connected with first gyro wheel, two through-holes have been seted up to the bottom symmetry of casing, and the through-hole is linked together with the inside of casing, two the inside of through-hole is all rotated and is connected with the bull stick, two the equal fixedly connected with abnormal shape pole of surface of bull stick, two the both ends of abnormal shape pole are rotated respectively and are connected with second gyro wheel and third gyro wheel, and the second gyro wheel is laminated with the inclined plane of adjacent sloping block mutually, is favorable to supporting and pressing from both sides the axle class machined part.

Further, two torsional springs are connected between the rotary rods and the through holes together, and the torsional springs have a reset function, so that reset of the rotary rods is facilitated, and reset of the special-shaped rods is also facilitated.

Further, two guide rails are symmetrically and fixedly connected to the top of the tailstock body, the movable seat is slidably connected with the guide rails, and the guide rails can guide the movable seat to stably move along a straight line so as to avoid position deviation.

Further, two strengthening ribs of top symmetry fixedly connected with of mounting bracket increase the intensity of mounting bracket, avoid the mounting bracket to take place deformation.

Further, two gag levers of top symmetry fixedly connected with of fixed frame, and sliding connection between gag lever post and the mounting bracket, the gag lever post has spacing effect to fixed frame, guarantees that fixed frame can stably rise or descend under the drive of second telescopic link.

Further, the mounting frame is fixedly connected with the movable seat through bolts, so that the mounting frame is mounted and dismounted.

The utility model has the beneficial effects that:

when the tailstock of the numerically controlled lathe is used, the shaft part can be supported and clamped through the first telescopic rod, the second telescopic rod, the movable seat, the fixed frame, the mounting frame, the shell and the centering clamping assembly, so that the stability of the end surface of the shaft part during processing is ensured, and the functionality of the tailstock is increased.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the housing of the present utility model;

fig. 3 is a schematic view of a through hole opening position according to the present utility model.

Legend description:

1. a tailstock body; 2. a housing; 3. a fixed frame; 4. a second telescopic rod; 5. a limit rod; 6. a mounting frame; 7. a movable seat; 8. a guide rail; 9. a first telescopic rod; 10. a third roller; 11. a profiled bar; 12. a rotating rod; 13. a second roller; 14. a third telescopic rod; 15. a first roller; 16. an intermediate lever; 17. a sloping block; 18. a through hole; 19. and (3) a torsion spring.

Detailed Description

Fig. 1 to 3 show, relate to a tailstock of numerical control lathe, including tailstock body 1, surface one side fixed mounting of tailstock body 1 has first telescopic link 9, and the movable end fixed mounting of first telescopic link 9 has movable seat 7, and the top fixedly connected with mounting bracket 6 of movable seat 7, the terminal top fixed mounting of mounting bracket 6 has second telescopic link 4, and the movable end fixed mounting of second telescopic link 4 has fixed frame 3, and the bottom fixedly connected with casing 2 of fixed frame 3, and centering clamping assembly is installed to casing 2.

As shown in fig. 1, two guide rails 8 are symmetrically and fixedly connected to the top of the tailstock body 1, and the movable seat 7 is slidably connected with the guide rails 8.

Two reinforcing ribs are symmetrically and fixedly connected to the top of the mounting frame 6.

Two limit rods 5 are symmetrically and fixedly connected to the top of the fixed frame 3, and the limit rods 5 are in sliding connection with the mounting frame 6.

The mounting frame 6 is fixedly connected with the movable seat 7 through bolts.

As shown in fig. 2 and 3, the centering and clamping assembly comprises a third telescopic rod 14, the third telescopic rod 14 is fixedly installed at the top of the shell 2, the movable end of the third telescopic rod 14 is fixedly connected with a middle rod 16, the middle rod 16 vertically penetrates through the inside of the shell 2 to extend to the bottom and is in sliding connection with the middle rod 16, two sides of the outer surface of the middle rod 16 are fixedly connected with inclined blocks 17, the top of the middle rod 16 is rotationally connected with a first roller 15, two through holes 18 are symmetrically formed in the bottom of the shell 2, the through holes 18 are communicated with the inside of the shell 2, the inside of the two through holes 18 is rotationally connected with a rotating rod 12, the outer surfaces of the two rotating rods 12 are fixedly connected with special-shaped rods 11, two ends of the two special-shaped rods 11 are rotationally connected with a second roller 13 and a third roller 10 respectively, and the second roller 13 is attached to inclined surfaces of the adjacent inclined blocks 17.

As shown in fig. 3, a torsion spring 19 is commonly connected between both the rotary rods 12 and the through hole 18.

When the tailstock of the numerical control lathe is used, firstly, the tailstock body 1 is moved to a corresponding position on the lathe, then the first telescopic rod 9 is started, the first telescopic rod 9 pushes the movable seat 7 to move on the guide rail 8, so that the mounting frame 6, the second telescopic rod 4 and the fixed frame 3 are driven to move, and meanwhile, the centering clamping assembly is driven to move until the centering clamping assembly moves to a designated position, then the second telescopic rod 4 is started, the second telescopic rod 4 drives the fixed frame 3 to move downwards, so that the shell 2 is driven to move downwards, until the clamping center of the centering clamping assembly is consistent with the center position of the tailstock center, the workpiece is placed between the two third rollers 10 and the first roller 15, then the third telescopic rod 14 is started, the third telescopic rod 14 drives the middle rod 16 to move, so that the first roller 15 pushes the workpiece to move, and meanwhile, the inclined block 17 pushes the two special-shaped rods 11 to swing by taking the rotating rod 12 as a center point through the second roller 13, so that the two third rollers 10 are close to the workpiece until the two third rollers 10 are matched with the first roller 15 to support and clamp the workpiece; when the workpiece is machined, all parts are reset.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a tailstock of numerical control lathe, includes tailstock body (1), its characterized in that: the utility model discloses a tailstock body, including tailstock body (1), fixed frame (3) are fixed to the surface one side of tailstock body (1), the movable end fixed mounting of first telescopic link (9) has movable seat (7), the top fixedly connected with mounting bracket (6) of movable seat (7), the terminal top fixed mounting of mounting bracket (6) has second telescopic link (4), the movable end fixed mounting of second telescopic link (4) has fixed frame (3), the bottom fixedly connected with casing (2) of fixed frame (3), centering clamping assembly is installed to casing (2).

2. The tailstock of a numerically controlled lathe as set forth in claim 1, wherein: centering clamping assembly includes third telescopic link (14), and third telescopic link (14) fixed mounting is at the top of casing (2), the expansion end fixedly connected with intermediate lever (16) of third telescopic link (14), and intermediate lever (16) run through the inside of casing (2) perpendicularly and extend to the bottom and with sliding connection between intermediate lever (16), the equal fixedly connected with sloping block (17) in surface both sides of intermediate lever (16), the top rotation of intermediate lever (16) is connected with first gyro wheel (15), two through-holes (18) have been seted up to the bottom symmetry of casing (2), and through-hole (18) are linked together with the inside of casing (2), two the inside of through-hole (18) is all rotated and is connected with bull stick (12), two the equal fixedly connected with abnormal shape pole (11) of the surface of bull stick (12), two the both ends of abnormal shape pole (11) are rotated respectively and are connected with second gyro wheel (13) and third gyro wheel (10), and second gyro wheel (13) are laminated with the inclined plane of adjacent sloping block (17).

3. The tailstock of a numerically controlled lathe as set forth in claim 2, wherein: a torsion spring (19) is commonly connected between the two rotating rods (12) and the through hole (18).

4. The tailstock of a numerically controlled lathe as set forth in claim 1, wherein: two guide rails (8) are symmetrically and fixedly connected to the top of the tailstock body (1), and the movable seat (7) is in sliding connection with the guide rails (8).

5. The tailstock of a numerically controlled lathe as set forth in claim 1, wherein: two reinforcing ribs are symmetrically and fixedly connected to the top of the mounting frame (6).

6. The tailstock of a numerically controlled lathe as set forth in claim 1, wherein: two limit rods (5) are symmetrically and fixedly connected to the top of the fixed frame (3), and the limit rods (5) are in sliding connection with the mounting frame (6).

7. The tailstock of a numerically controlled lathe as set forth in claim 1, wherein: the mounting frame (6) is fixedly connected with the movable seat (7) through bolts.