CN215968546U

CN215968546U - Tool for mounting or dismounting main shaft sleeve of machine tool

Info

Publication number: CN215968546U
Application number: CN202121311894.8U
Authority: CN
Inventors: 刘海涛
Original assignee: Jiangxi Changhe Aviation Industries Co Ltd
Current assignee: Jiangxi Changhe Aviation Industries Co Ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-03-08
Anticipated expiration: 2031-06-11

Abstract

The utility model belongs to the field of tools and relates to a tool for mounting or dismounting a main shaft sleeve of a machine tool. When the high-precision mechanical main shaft is disassembled and assembled, a traditional knocking mode is usually adopted, a main shaft bearing is damaged to some extent, and the main shaft is installed and deviates from an installation axis. According to the mounting or dismounting tool, the connecting block is provided with a plurality of through holes corresponding to the threaded holes in the main shaft sleeve and a plurality of through holes corresponding to the threaded holes in the machine tool, the bolt penetrates through the connecting block to be in threaded connection with the main shaft sleeve, and the first supporting screw rod and the second supporting screw rod penetrate through the connecting block to be in threaded connection with the machine tool; when the connecting block is installed, nuts are installed on the first supporting screw rod and the second supporting screw rod on the outer side of the connecting block; when the connecting block is disassembled, nuts are arranged on the first supporting screw rod and the second supporting screw rod on the inner side of the connecting block. The spindle can be quickly disassembled, the convenience and the rapidness are realized, the parallelism of the spindle during installation and disassembly is ensured, and the precision of the spindle cannot be influenced.

Description

Tool for mounting or dismounting main shaft sleeve of machine tool

Technical Field

The utility model belongs to the field of tools and relates to a tool for mounting or dismounting a main shaft sleeve of a machine tool.

Background

At present, the precision of a machine tool main shaft including a horizontal precision boring machine is high, when the high-precision mechanical main shaft is disassembled and assembled, a traditional knocking mode is usually adopted, once the high-precision mechanical main shaft is knocked, a main shaft bearing is damaged, the main shaft is installed and deviates from an installation axis, and the shape of a boring hole is elliptic.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is as follows: in order to solve the problem of the mounting and dismounting of a high-precision mechanical main shaft, ensure the precision of the main shaft, and ensure convenient and quick operation so as to reduce the economic cost and the time cost generated by replacing the main shaft, the mounting or dismounting tool for the main shaft sleeve of the machine tool is particularly provided.

The technical scheme of the utility model is as follows: the utility model provides an installation or dismantlement frock for lathe main shaft sleeve, this frock includes connecting block, first supporting screw, second supporting screw, a plurality of nut and a plurality of bolt, wherein

The connecting block is provided with a plurality of through holes corresponding to the threaded holes in the spindle sleeve and a plurality of through holes corresponding to the threaded holes in the machine tool, a bolt penetrates through the connecting block to be in threaded connection with the spindle sleeve, and the first supporting screw and the second supporting screw penetrate through the connecting block to be in threaded connection with the machine tool;

when the connecting block is installed, nuts are installed on the first supporting screw rod and the second supporting screw rod on the outer side of the connecting block; when the connecting block is disassembled, nuts are arranged on the first supporting screw rod and the second supporting screw rod on the inner side of the connecting block.

Advantageously, the connecting block is strip-shaped, and the through holes are linearly distributed.

Advantageously, the number of through holes corresponding to the threaded holes in the spindle sleeve is two.

Advantageously, the number of through holes corresponding to the threaded holes on the machine tool is two.

Advantageously, the first and second support screws have a straight or cross-shaped groove on the outer end face.

Advantageously, the connecting piece has a chamfer.

The utility model has the beneficial effects that: the spindle can be quickly disassembled, the spindle is convenient and quick to assemble and disassemble, the spindle is parallel to the main shaft during assembly and disassembly, the spindle precision cannot be affected, the rotation precision of the spindle and the perpendicularity between the axis of the spindle and the XY are guaranteed, and the maintenance efficiency is greatly improved.

Drawings

The illustrative examples, as well as a preferred mode of use, further objectives, and descriptions thereof, will best be understood by reference to the following detailed description of an example of the present invention when read in conjunction with the accompanying drawings, wherein:

FIG. 1 is a schematic view of a tool of the present invention being disassembled;

FIG. 2 is a front view of the connector block;

fig. 3 is a top view of the connection block.

Wherein, 1-a main shaft sleeve, 2-a first supporting screw, 3-a bolt, 4-a second supporting screw, 5-a connecting block, and 6-a machine tool

Detailed Description

The disclosed examples will be described more fully with reference to the accompanying drawings, in which some (but not all) of the disclosed examples are shown. Indeed, many different examples may be described and should not be construed as limited to the examples set forth herein. Rather, these examples are described so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

In an embodiment, referring to fig. 1, a tool for mounting or dismounting a spindle sleeve of a machine tool is composed of several parts:

connecting block 5: is respectively connected with the main shaft sleeve and the first and second supporting

screws

2 and 4 to form an integral structure

First support screw 2 and second support screw 4: is used for being connected with a machine tool body and a connecting block 5 and acts as a moving guide rail of a main shaft sleeve 5

And a nut 7: a plurality of supporting

screws

2 and 4 are in threaded connection with the first supporting screw and are arranged at two sides of the connecting block 5 and used for pushing the spindle sleeve 1 to be mounted inwards or dismounted outwards

And (3) bolts: is used for connecting the main shaft sleeve 1 with the connecting block 5

Spindle sleeve 1 is connected with connecting block 5 through two bolts 3, there are 4 through-holes on connecting block 5, two hole of inboard are the same with two screw hole pitch distances of spindle sleeve, the pitch distance of two hole of outside is the same with the pitch distance of lathe screw hole, make first supporting screw 2, second supporting screw 4 pass connecting block 5, first supporting screw 2, second supporting screw 5 is the same with lathe screw hole screw thread, be connected with

lathe

6, 7 rotatory to the 5 both sides of connecting block of a plurality of nuts, accomplish the frock installation.

Mounting means

Spindle sleeve 1 is connected with connecting block 5 through two bolts 3, put 1 handling of spindle sleeve behind the approximate mounted position, make first supporting screw 2, second supporting screw 4 passes connecting block 5, be connected with lathe 6, at first supporting screw 2, threaded connection nut 7 on the second supporting screw 4, rotate nut 7 to the 5 outsides of connecting block, through swivel nut 7 to first supporting screw 2, second holding power screw 4 produces inward thrust, drive connecting block 5 to the side motion of lathe, with bolt 3, nut 7, connecting block 5 and first supporting screw 2, second supporting screw 4 is pulled down, in order to accomplish the installation of spindle sleeve 1.

Disassembling mode

Spindle sleeve 1 is connected with connecting block 5 through two bolts 3, makes first supporting screw 2, second supporting screw 4 pass the connecting block, and is rotatory to connecting block 5 inboardly with nut 7, then makes first supporting screw 2, second supporting screw 4 be connected with lathe 6, produces outside thrust to first supporting screw 2, second holding power screw 4 through swivel nut 7, drives connecting block 5 and moves to the lathe outside to accomplish the spindle sleeve and dismantle.

Different examples of the systems, devices, and methods disclosed herein include various components, features, and functions. It should be understood that the various examples of the systems, devices, and methods disclosed herein may include any of the components, features, and functions of any of the other examples of the systems, devices, and methods disclosed herein in any combination or sub-combination, and all such possibilities are intended to fall within the scope of the present invention.

The description of the different advantageous arrangements has been presented for purposes of illustration and description, but is not intended to be exhaustive or limited to the examples in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Additionally, the different advantageous examples may describe different advantages as compared to other advantageous examples. The example or examples selected are chosen and described in order to best explain the principles of the examples, the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various examples with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides an installation or dismantlement frock for lathe main shaft sleeve which characterized in that: the tool comprises a connecting block (5), a first supporting screw (2), a second supporting screw (4), a plurality of nuts (7) and a plurality of bolts (3), wherein

The connecting block (5) is provided with a plurality of through holes corresponding to threaded holes in the spindle sleeve (1) and a plurality of through holes corresponding to threaded holes in the machine tool (6), the bolt (3) penetrates through the connecting block (5) to be in threaded connection with the spindle sleeve (1), and the first supporting screw (2) and the second supporting screw (4) penetrate through the connecting block (5) to be in threaded connection with the machine tool (6);

when the connecting block is installed, nuts (7) are installed on the first supporting screw rod (2) and the second supporting screw rod (4) on the outer side of the connecting block (5); when the connecting block is disassembled, nuts (7) are arranged on the first supporting screw rod (2) and the second supporting screw rod (4) on the inner side of the connecting block (5).

2. The tool for mounting or dismounting the main shaft sleeve of the machine tool according to claim 1, wherein: the connecting block (5) is strip-shaped, and the through holes are linearly distributed.

3. The tool for mounting or dismounting the main shaft sleeve of the machine tool according to claim 1, wherein: the number of the through holes corresponding to the threaded holes in the spindle sleeve (1) is two.

4. The tool for mounting or dismounting the main shaft sleeve of the machine tool according to claim 1, wherein: the number of the through holes corresponding to the threaded holes on the machine tool (6) is two.

5. The tool for mounting or dismounting the main shaft sleeve of the machine tool according to claim 1, wherein: the outer end surfaces of the first supporting screw rod (2) and the second supporting screw rod (4) are provided with straight or cross grooves.

6. The tool for mounting or dismounting the main shaft sleeve of the machine tool according to claim 1, wherein: the connecting block (5) has a chamfer.