CN214517621U

CN214517621U - High-rigidity main shaft for numerically controlled lathe

Info

Publication number: CN214517621U
Application number: CN202120004677.8U
Authority: CN
Inventors: 罗焕; 张国栋
Original assignee: Shenzhen Devic Numerical Control Equipment Co ltd
Current assignee: Shenzhen Devic Numerical Control Equipment Co ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-10-29
Anticipated expiration: 2031-01-04

Abstract

The utility model belongs to the technical field of the numerical control lathe, concretely relates to high rigidity main shaft for numerical control lathe, including the axle body, the outside joint of axle body has the band pulley, the keyway has been seted up on the axle body, the inside sliding connection of keyway has the fixed key, the outside fixedly connected with baffle of axle body, there is the screw inside of keyway through threaded connection, the screw with fixed key touches the connection, the inside fixed cup of axle body has connect fixed section of thick bamboo, the inside of fixed section of thick bamboo is provided with the spring, the inside sliding connection of fixed section of thick bamboo has the telescopic link. The utility model discloses an add in the outside of axle body and establish screw, limiting plate and plate washer isotructure for can become flexible the fixed key through dismantling the screw when needs are dismantled the band pulley, thereby can be convenient for dismantle the band pulley, and can fix the position of band pulley through plate washer and limiting plate, can prevent that the band pulley from taking place to remove.

Description

High-rigidity main shaft for numerically controlled lathe

Technical Field

The utility model relates to a numerical control lathe technical field specifically is a numerical control lathe uses high rigidity main shaft.

Background

The numerical control lathe comprises a numerical control device, a lathe body, a spindle box, a tool rest feeding system, a tailstock, a hydraulic system, a cooling system, a lubricating system, a chip remover and the like. The numerically controlled lathe is divided into a vertical numerically controlled lathe and a horizontal numerically controlled lathe. The vertical numerically controlled lathe is used for turning disc parts with large rotation diameters.

When a main shaft of a numerical control lathe in the prior art is used for fixedly mounting a belt wheel, the belt wheel needs to be connected with the main shaft through a fixed key due to overlarge rigidity of the main shaft, the belt wheel is inconvenient to dismount after being used for a long time, the belt wheel is easy to move in the rotating process, and when some longer rod pieces are machined, the rod pieces are easy to be eccentric due to the raw materials of gravity, so that the main shaft cannot normally rotate. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a numerical control lathe is with high rigidity main shaft, the band pulley of having solved the main shaft outside is not convenient for dismantle, the band pulley takes place to remove easily and the member process leads to eccentric problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a numerical control lathe is with high rigidity main shaft, includes the axle body, the outside joint of axle body has the band pulley, the keyway has been seted up on the axle body, the inside sliding connection of keyway has the fixed key, the outside fixedly connected with baffle of axle body, there is the screw inside of keyway through threaded connection, the screw with the fixed key touches and connects, the fixed cylinder of fixed cup joint in inside of axle body, the inside of fixed cylinder is provided with the spring, the inside sliding connection of fixed cylinder has the telescopic link, the one end fixedly connected with fixed plate of spring is kept away from to the telescopic link, the inside contact of fixed plate is connected with the member, the member is followed pass in the axle body.

Preferably, the fixed key is connected with the belt wheel in a sliding mode, and the baffle is connected with the belt wheel in a sliding mode.

Preferably, one end of the spring is fixedly connected with the fixed cylinder, and the other end of the spring is fixedly connected with the telescopic rod.

Preferably, the fixed cylinder is fixedly connected with a limiting ring in the inner part, and the limiting ring is connected with the outer side of the telescopic rod in a sliding manner in the inner part.

Preferably, the fixing plate is in the shape of a circular arc, and is made of a hard rubber material.

Preferably, the upper end of the fixed key is fixedly connected with a limiting plate, and the limiting plate is in contact connection with the belt wheel.

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

1. the utility model discloses an add in the outside of axle body and establish screw, limiting plate and plate washer isotructure for can become flexible the fixed key through dismantling the screw when needs are dismantled the band pulley, thereby can be convenient for dismantle the band pulley, and can fix the position of band pulley through plate washer and limiting plate, can prevent that the band pulley from taking place to remove.

2. The utility model discloses an add on the axle body and establish fixed section of thick bamboo, fixed plate and spring isotructure for the end of member can carry on spacingly through the fixed plate when rotating, prevents to take place off-centre at the pivoted in-process, thereby can guarantee the normal operation of lathe.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a left side view of the axle body of the present invention;

fig. 3 is an enlarged view of the structure of part a of fig. 1 according to the present invention;

fig. 4 is an enlarged view of the structure of the part B in fig. 2 according to the present invention.

In the figure: 1. a shaft body; 2. a pulley; 3. a keyway; 4. a fixed key; 5. a baffle plate; 6. a limiting plate; 7. a screw; 8. a fixed cylinder; 9. a spring; 10. a telescopic rod; 11. a fixing plate; 12. a rod member; 13. a limit ring.

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.

Examples

Please refer to fig. 1-4, a high rigidity spindle for a numerically controlled lathe, which comprises a shaft body 1, a belt pulley 2 is clamped at the outer side of the shaft body 1, a key groove 3 is formed in the shaft body 1, a fixed key 4 is slidably connected inside the key groove 3, a baffle 5 is fixedly connected at the outer side of the shaft body 1, a screw 7 is connected inside the key groove 3 through a thread, the screw 7 is in contact connection with the fixed key 4, a fixed cylinder 8 is fixedly sleeved inside the shaft body 1, a spring 9 is arranged inside the fixed cylinder 8, a telescopic rod 10 is slidably connected inside the fixed cylinder 8, a fixed plate 11 is fixedly connected at one end of the telescopic rod 10 far away from the spring 9, a rod 12 is connected at the inner contact of the fixed plate 11, and the rod 12 passes through the shaft body 1.

Referring to fig. 3, the fixing key 4 is slidably connected to the pulley 2, the baffle 5 is slidably connected to the pulley 2, and the fixing key 4 can make the pulley 2 rotate along with the shaft body 1.

Referring to fig. 4, one end of the spring 9 is fixedly connected to the fixed cylinder 8, the other end of the spring 9 is fixedly connected to the telescopic rod 10, and the spring 9 can push the fixed plate 11 to fix the rod 12 by elastic force.

Referring to fig. 4, a limiting ring 13 is fixedly connected to the inside of the fixing cylinder 8, the inside of the limiting ring 13 is slidably connected to the outside of the telescopic rod 10, and the limiting ring 13 can prevent the telescopic rod 10 from sliding out.

Referring to fig. 2, the fixing plate 11 is arc-shaped, the fixing plate 11 is made of hard rubber material, the rubber material has a large friction force, and the rubber material can be elastically deformed, so that the fixing plate 11 can fix rod members 12 with various diameters.

Referring to fig. 3, the upper end of the fixed key 4 is fixedly connected with a limiting plate 6, the limiting plate 6 is in contact connection with the pulley 2, and the limiting plate 6 can prevent the pulley 2 from moving.

The utility model discloses the concrete implementation process as follows: when using, overlap band pulley 2 in the outside of axle body 1, then insert fixed key 4 in keyway 3, promote fixed key 4 after inserting and finishing, make limiting plate 6 contact band pulley 2, thereby can guarantee that band pulley 2 can not take place to remove at the in-process of changeing, screw 7 is screwed after fixed finishing, thereby can guarantee that fixed key 4 can not take place to slide, add man-hour to member 12 in needs, fix the one end of member 12 on the chuck of lathe, the other end passes axle body 1 and fixes the inside at two fixed plates 11, fixed plate 11 passes through the elasticity of spring 9, can guarantee that member 12 can not be eccentric at the pivoted in-process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a numerical control lathe is with high rigidity main shaft, includes axle body (1), its characterized in that: a belt wheel (2) is clamped on the outer side of the shaft body (1), a key groove (3) is arranged on the shaft body (1), a fixed key (4) is connected inside the key groove (3) in a sliding way, a baffle plate (5) is fixedly connected on the outer side of the shaft body (1), a screw (7) is connected inside the key groove (3) through threads, the screw (7) is in contact connection with the fixed key (4), a fixed cylinder (8) is fixedly sleeved in the shaft body (1), a spring (9) is arranged in the fixed cylinder (8), the inner part of the fixed cylinder (8) is connected with a telescopic rod (10) in a sliding way, one end of the telescopic rod (10) far away from the spring (9) is fixedly connected with a fixed plate (11), the inner part of the fixing plate (11) is in contact connection with a rod piece (12), and the rod piece (12) penetrates through the shaft body (1).

2. The high-rigidity spindle for the numerically controlled lathe according to claim 1, characterized in that: the fixed key (4) is connected with the belt wheel (2) in a sliding mode, and the baffle (5) is connected with the belt wheel (2) in a sliding mode.

3. The high-rigidity spindle for the numerically controlled lathe according to claim 1, characterized in that: one end of the spring (9) is fixedly connected with the fixed cylinder (8), and the other end of the spring (9) is fixedly connected with the telescopic rod (10).

4. The high-rigidity spindle for the numerically controlled lathe according to claim 1, characterized in that: the inside fixedly connected with spacing ring (13) of fixed section of thick bamboo (8), the inside of spacing ring (13) with the outside sliding connection of telescopic link (10).

5. The high-rigidity spindle for the numerically controlled lathe according to claim 1, characterized in that: the fixing plate (11) is arc-shaped, and the fixing plate (11) is made of hard rubber materials.

6. The high-rigidity spindle for the numerically controlled lathe according to claim 1, characterized in that: the upper end fixedly connected with limiting plate (6) of fixed key (4), limiting plate (6) with band pulley (2) contact is connected.