CN211840162U

CN211840162U - Tool rest device for numerical control lathe

Info

Publication number: CN211840162U
Application number: CN201922449087.1U
Authority: CN
Inventors: 刘爱军; 王雨; 陈浩; 杨青; 张文; 孙华琴
Original assignee: Taizhou Modern Cnc Machinery Co ltd
Current assignee: Taizhou Modern Cnc Machinery Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-03
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a knife rest device for a numerical control lathe, which comprises a knife rest disc, a support spring, a knife rest disc lower base, a threaded column, a threaded sleeve, a connecting arm and a cutter, wherein a locking structure lower base disc is fixedly arranged at the middle position of the top surface of the knife rest disc lower base, the threaded column is fixedly arranged at the central position of the locking structure lower base disc, the knife rest disc lower base disc, the locking structure lower base disc and the threaded column are of an integral structure, a locking structure upper base disc is fixedly arranged at the middle position of the bottom surface of the knife rest disc, the knife rest disc and the locking structure upper base disc are of an integral structure, the knife rest disc is arranged at the top of the knife rest disc lower base disc, the knife rest disc is sleeved on the surface of the threaded column, the support spring is sleeved outside the locking structure upper base disc and the knife rest disc lower base disc, the structure of the utility, the tool rest is convenient to use, and the tool rest disc can be prevented from shaking after the tool is replaced.

Description

Tool rest device for numerical control lathe

Technical Field

The utility model relates to a numerical control lathe knife rest technical field specifically is a knife rest device that numerical control lathe used.

Background

The tool rest is a very important part of the numerical control lathe. The numerical control lathe can be provided with 4, 6, 8, 10, 12, 20 and 24 cutters on a tool rest according to the functions, and some numerical control lathes can be provided with more cutters. The tool rest is generally in a rotary structure, and the tool is arranged on the tool rest along the circumferential direction and can be provided with a radial turning tool, an axial turning tool, a drill bit and a boring tool. The turning center can also be used for installing an axial milling cutter and a radial milling cutter. The tool rests of a few numerical control lathes are in a straight line, and the tools are arranged along a straight line. The existing tool rest has certain difficulty in tool replacement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a knife rest device that numerical control lathe used to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a tool rest device for a numerical control lathe comprises a tool rest disc, a supporting spring, a lower base of the tool rest disc, a threaded column, a threaded sleeve, a connecting arm and a cutter, a locking structure lower chassis is fixedly arranged at the middle position of the top surface of the tool rest chassis lower base, a threaded column is fixedly arranged at the central position of the locking structure lower chassis, the lower base of the tool rest disc, the lower base plate of the locking structure and the threaded column are of an integrated structure, the upper base plate of the locking structure is fixedly arranged in the middle of the bottom surface of the tool rest disc, the knife rest disc and the upper chassis of the locking structure are of an integrated structure, the knife rest disc is arranged on the top of the lower base of the knife rest disc, the tool rest disc is sleeved on the surface of the threaded column, the supporting springs are sleeved outside the upper base plate of the locking structure and the lower base of the tool rest disc, and the top of the threaded column is screwed with a threaded sleeve, and the threaded sleeve is downwards propped against the cutter frame disk.

Preferably, the bottom surface of the upper chassis of the locking structure is provided with positioning clamping grooves in an equidistant surrounding manner, the top surface of the lower chassis of the locking structure is provided with positioning protrusions in an equidistant surrounding manner, and the positioning protrusions are matched with the positioning clamping grooves.

Preferably, cutter fixing screw rods are fixedly arranged at the edge position of the top surface of the cutter frame disc at equal intervals, locking nuts are sleeved on the surfaces of the cutter fixing screw rods, and the cutters are arranged on the cutter fixing screw rods.

Preferably, the connecting arm is welded on the side face of the threaded sleeve, and a rubber sleeve is sleeved at the hand-holding position of the connecting arm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses when needing to change the cutter, need loosen the screw sleeve that compresses tightly the knife rest dish, the knife rest dish is when losing screw sleeve's pushing down, under supporting spring's effect, the knife rest dish can be by jack-up that makes progress, and chassis separation under the structural chassis of locking and the locking structure, the knife rest dish can freely rotate change cutter this moment, screws up screw the screw sleeve again after having changed to guarantee that location protrusion card goes into positioning channel section's inside, the utility model discloses rational in infrastructure effective, convenient to use can guarantee that the knife rest dish can not produce and rock after having changed the cutter.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall front structure of the present invention;

FIG. 2 is a schematic view of the bottom surface structure of the tool holder tray of the present invention;

FIG. 3 is a schematic view of the top structure of the lower base of the tool carrier plate of the present invention;

fig. 4 is a schematic view of the overall top view structure of the present invention.

In the figure: 1. a tool holder tray; 2. an upper chassis of the locking structure; 3. a support spring; 4. a locking structure lower chassis; 5. a lower base of the tool rest disc; 6. a threaded post; 7. a threaded sleeve; 8. a cutter fixing screw; 9. locking the nut; 10. positioning the clamping groove; 11. positioning the protrusion; 12. a rubber sleeve; 13. a connecting arm; 14. and (4) a cutter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, a tool rest device for a numerically controlled lathe includes a tool rest disc 1, a support spring 3, a tool rest disc lower base 5, a threaded post 6, a threaded sleeve 7, a connecting arm 13 and a tool 14, a locking structure lower base 4 is fixedly disposed at a middle position of a top surface of the tool rest disc lower base 5, the threaded post 6 is fixedly disposed at a central position of the locking structure lower base 4, the tool rest disc lower base 5, the locking structure lower base 4 and the threaded post 6 are an integrated structure, a locking structure upper base 2 is fixedly disposed at a middle position of a bottom surface of the tool rest disc 1, the tool rest disc 1 and the locking structure upper base 2 are an integrated structure, the tool rest disc 1 is disposed at a top of the tool rest disc lower base 5, the tool rest disc 1 is sleeved on a surface of the threaded post 6, the locking structure upper base 2 and the tool rest disc lower base 5 are externally sleeved with the, the top of the threaded post 6 is screw fitted with a threaded sleeve 7 and the threaded sleeve 7 is pressed down against the cutter head disk 1.

Referring to fig. 2 and 3, the bottom surface of the upper chassis 2 of the locking structure is provided with positioning slots 10 around at equal intervals, the top surface of the lower chassis 4 of the locking structure is provided with positioning protrusions 11 around at equal intervals, and the positioning protrusions 11 are matched with the positioning slots 10.

Referring to fig. 1 and 4, cutter fixing screws 8 are fixedly arranged at the edge position of the top surface of the cutter frame disk 1 at equal intervals, locking nuts 9 are sleeved on the surfaces of the cutter fixing screws 8, and cutters 14 are mounted on the cutter fixing screws 8.

Referring to fig. 4, the connecting arm 13 is welded on the side of the threaded sleeve 7, and a rubber sleeve 12 is sleeved on the hand-held position of the connecting arm 13.

The utility model discloses a theory of operation and use flow: the utility model discloses when needing to change cutter 14, need loosen the screw sleeve 7 that compresses tightly cutter frame dish 1, cutter frame dish 1 when losing screw sleeve 7's pushing down, under supporting spring 3's effect, cutter frame dish 1 can be by jack-up that makes progress, chassis 4 separation under the chassis 2 and the locking structure of the locking structure, cutter frame dish 1 can freely rotate change cutter 14 this moment, screws up screw sleeve 7 again after having changed to guarantee that location protrusion 11 card goes into the inside of positioning channel section 10, the utility model discloses it is rational in infrastructure effective, convenient to use can guarantee that cutter frame dish 1 can not produce and rock after having changed cutter 14.

Finally, it should be noted that: although the present invention 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 in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a knife rest device that numerical control lathe used, includes knife rest dish (1), supporting spring (3), knife rest dish lower base (5), screw thread post (6), threaded sleeve (7), linking arm (13) and cutter (14), its characterized in that: the middle position of the top surface of the lower base (5) of the tool rest disc is fixedly provided with a lower base disc (4) of a locking structure, the central position of the lower base disc (4) of the locking structure is fixedly provided with a threaded column (6), the lower base disc (5) of the tool rest disc, the lower base disc (4) of the locking structure and the threaded column (6) are of an integrated structure, the middle position of the bottom surface of the tool rest disc (1) is fixedly provided with an upper base disc (2) of the locking structure, the tool rest disc (1) and the upper base disc (2) of the locking structure are of an integrated structure, the tool rest disc (1) is arranged at the top of the lower base disc (5) of the tool rest disc, the tool rest disc (1) is sleeved on the surface of the threaded column (6), the outer parts of the upper base disc (2) of the locking structure and the lower base disc (5) of the tool rest disc are sleeved with a support, and the threaded sleeve (7) is pressed downwards against the tool holder disk (1).

2. The tool rest device for a numerically controlled lathe according to claim 1, wherein: the bottom surface of the upper chassis (2) of the locking structure is provided with positioning clamping grooves (10) in an equidistant surrounding mode, the top surface of the lower chassis (4) of the locking structure is provided with positioning protrusions (11) in an equidistant surrounding mode, and the positioning protrusions (11) are matched with the positioning clamping grooves (10).

3. The tool rest device for a numerically controlled lathe according to claim 1, wherein: the cutter fixing device is characterized in that cutter fixing screw rods (8) are fixedly arranged at the edge of the top surface of the cutter frame disc (1) at equal intervals, locking nuts (9) are sleeved on the surfaces of the cutter fixing screw rods (8), and cutters (14) are installed on the cutter fixing screw rods (8).

4. The tool rest device for a numerically controlled lathe according to claim 1, wherein: the connecting arm (13) is welded on the side surface of the threaded sleeve (7), and a rubber sleeve (12) is sleeved at the hand holding position of the connecting arm (13).