阅读说明：本技术 一种永磁电机驱动立式车床 (Permanent magnet motor driven vertical lathe ) 是由 贾先义 范传良 于 2019-10-15 设计创作，主要内容包括：一种永磁电机驱动立式车床,底座上部安装床身,底座上部位于床身前部安装工作台,工作台连接位于底座内的永磁电机,工作台安装编码器,编码器与工作台同轴安装；床身前侧设有导轨,床身前侧通过导轨滑动安装横梁,横梁后侧连接升降丝杠,升降丝杠连接垂直伺服电机；横梁前侧滑动安装横梁滑座,横梁滑座通过水平丝杠连接水平伺服电机,横梁滑座前部安装垂直刀架,垂直刀架下部通过回转滑座安装滑枕。本发明工作台采用8个档位变速的转速的永磁电机,可无极调速,结构紧凑,能耗低；并且通过在工作台设置编码器,实现了高精度螺纹的车削；横梁的水平和垂直运动采用永磁伺服电机驱动,提高了其稳定性、降低了功耗；维修方便、简单。(A permanent magnet motor driven vertical lathe is characterized in that a lathe bed is arranged on the upper portion of a base, a workbench is arranged on the upper portion of the base and positioned in the front of the lathe bed, the workbench is connected with a permanent magnet motor positioned in the base, an encoder is arranged on the workbench, and the encoder and the workbench are coaxially arranged; the front side of the lathe body is provided with a guide rail, the front side of the lathe body is provided with a cross beam in a sliding way through the guide rail, the rear side of the cross beam is connected with a lifting screw rod, and the lifting screw rod is connected with a vertical servo motor; a cross beam sliding seat is slidably mounted on the front side of the cross beam and connected with a horizontal servo motor through a horizontal lead screw, a vertical knife rest is mounted on the front portion of the cross beam sliding seat, and a ram is mounted on the lower portion of the vertical knife rest through a rotary sliding seat. The workbench of the invention adopts a permanent magnet motor with 8 gears and variable speed, can realize stepless speed regulation, and has compact structure and low energy consumption; the encoder is arranged on the workbench, so that the turning of high-precision threads is realized; the horizontal and vertical movement of the cross beam is driven by a permanent magnet servo motor, so that the stability of the cross beam is improved, and the power consumption is reduced; the maintenance is convenient and simple.)

1. The utility model provides a permanent-magnet machine drive vertical lathe which characterized in that: the upper part of the base (4) is provided with the bed body (1), the upper part of the base (4) is positioned at the front part of the bed body (1) and is provided with the workbench (6), the workbench (6) is connected with the permanent magnet motor (8) positioned in the base (4), the workbench (6) is provided with the encoder (16), and the encoder (16) and the workbench (6) are coaxially arranged; a guide rail is arranged on the front side of the lathe bed (1), a cross beam (3) is slidably mounted on the front side of the lathe bed (1) through the guide rail, the rear side of the cross beam (3) is connected with a lifting screw rod (10), and the lifting screw rod (10) is connected with a vertical servo motor (15); a beam sliding seat (12) is slidably mounted on the front side of the beam (3), the beam sliding seat (12) is connected with a horizontal servo motor (8) through a horizontal lead screw (9), a vertical tool rest (2) is mounted on the front portion of the beam sliding seat (12), and a ram (14) is mounted on the lower portion of the vertical tool rest (2) through a rotary sliding seat (13).

2. The permanent magnet motor-driven vertical lathe according to claim 1, wherein: the encoder (16) is coaxially connected with the workbench (6) in a direct connection mode in a ratio of 1: 1.

3. The permanent magnet motor-driven vertical lathe according to claim 1, wherein: the permanent magnet motor (5) is an 8-gear variable speed permanent magnet motor.

4. The permanent magnet motor-driven vertical lathe according to claim 1, wherein: a distribution box (17) is installed on the rear side of the lathe bed (1), and the distribution box (17) is connected with the numerical control system (7).

Technical Field

The invention relates to the technical field of numerical control machine tools.

Background

The vertical lathe belongs to large mechanical equipment and is used for processing large and heavy workpieces with large radial dimension, relatively small axial dimension and complex shapes. Such as cylindrical surfaces, end surfaces, conical surfaces, cylindrical holes, conical holes and the like of various disc, wheel and sleeve workpieces. The machining of threading, spherical surface turning, profiling, milling, grinding and the like can also be carried out by means of additional devices, and can be generally divided into a single column type and a double column type.

The traditional vertical lathe is generally complex in structure, large in size and high in energy consumption. And the operation is complicated, the processing precision is low, and the requirements of processing precise parts cannot be met.

Disclosure of Invention

In order to solve the problems of the traditional vertical lathe, the invention provides a permanent magnet motor driven vertical lathe.

The technical scheme adopted by the invention for realizing the purpose is as follows: a permanent magnet motor driven vertical lathe is characterized in that a lathe bed 1 is installed on the upper portion of a base 4, a workbench 6 is installed on the upper portion of the base 4 and located in the front of the lathe bed 1, the workbench 6 is connected with a permanent magnet motor 8 located in the base 4, an encoder 16 is installed on the workbench 6, and the encoder 16 and the workbench 6 are installed coaxially; a guide rail is arranged on the front side of the lathe bed 1, a cross beam 3 is slidably mounted on the front side of the lathe bed 1 through the guide rail, the rear side of the cross beam 3 is connected with a lifting screw rod 10, and the lifting screw rod 10 is connected with a vertical servo motor 15; a beam sliding seat 12 is slidably mounted on the front side of the beam 3, the beam sliding seat 12 is connected with a horizontal servo motor 8 through a horizontal lead screw 9, a vertical tool rest 2 is mounted on the front portion of the beam sliding seat 12, and a ram 14 is mounted on the lower portion of the vertical tool rest 2 through a rotary sliding seat 13.

The encoder 16 is directly connected with the worktable 6 coaxially in a ratio of 1: 1.

The permanent magnet motor 5 is an 8-gear variable speed permanent magnet motor.

And a distribution box 17 is arranged on the rear side of the lathe bed 1, and the distribution box 17 is connected with the numerical control system 7.

The vertical lathe is driven by the permanent magnet motor, the workbench adopts the permanent magnet motor with 8 gears and variable speed, stepless speed regulation can be realized, the structure is compact, and the energy consumption is low; the encoder is arranged on the workbench, so that the turning of high-precision threads is realized; the horizontal and vertical movement of the cross beam is driven by a permanent magnet servo motor, so that the stability of the cross beam is improved, and the power consumption is reduced; the maintenance is convenient and simple.

Drawings

Fig. 1 is a front view structural diagram of a permanent magnet motor driven vertical lathe of the present invention.

Fig. 2 is a structure diagram of the permanent magnet motor driven vertical lathe for testing.

In the figure: 1. the numerical control machine comprises a machine body, 2, a vertical tool rest, 3, a cross beam, 4, a base, 5, a permanent magnet motor, 6, a workbench, 7, a numerical control system, 8, a horizontal servo motor, 9, a horizontal lead screw, 10, a lifting lead screw, 11, a cross beam lifting permanent magnet motor, 12, a cross beam sliding seat, 13, a rotary sliding seat, 14, a ram, 15, a vertical servo motor, 16, an encoder, 17 and a distribution box.

Detailed Description

The permanent magnet motor-driven vertical lathe structure is shown in fig. 1 and fig. 2, a lathe bed 1 is installed on the upper portion of a base 4, a workbench 6 is installed on the upper portion of the base 4 and located in the front of the lathe bed 1, the workbench 6 is connected with a permanent magnet motor 8 located in the base 4, an encoder 16 is installed on the workbench 6, the encoder 16 and the workbench 6 are coaxially installed, and the encoder 16 and the workbench 6 are coaxially connected in a 1:1 manner; a guide rail is arranged on the front side of the lathe bed 1, a cross beam 3 is slidably mounted on the front side of the lathe bed 1 through the guide rail, the rear side of the cross beam 3 is connected with a lifting screw rod 10, and the lifting screw rod 10 is connected with a vertical servo motor 15; a beam sliding seat 12 is arranged on the front side of the beam 3 in a sliding manner, the beam sliding seat 12 is connected with a horizontal servo motor 8 through a horizontal lead screw 9, a vertical tool rest 2 is arranged on the front part of the beam sliding seat 12, and a ram 14 is arranged on the lower part of the vertical tool rest 2 through a rotary sliding seat 13; a distribution box 17 is arranged on the rear side of the lathe bed 1, and the distribution box 17 is connected with the numerical control system 7.

The permanent magnet motor drives the vertical lathe, and the outer diameter, the inner diameter, the plane and the revolution surface can be roughly and finely turned on the lathe. Meanwhile, a Siemens incremental encoder b is installed on the working rotary table a, and the rotary table encoder 16 is matched with the ram 14 to complete thread turning. The lathe bed part is made of low-stress high-strength gray cast iron through integral casting, and is subjected to stress relief treatment through high-temperature tempering to ensure that a workpiece is not deformed, and the lathe bed is connected with the base 4. The vertical tool rest part drives a horizontal lead screw 9 and a lifting lead screw 10 by a horizontal servo motor 8 and a vertical servo motor 15 to realize horizontal and vertical rapid and feeding motions of the tool rest. A beam portion: the beam 3 is driven by a permanent magnet motor k to move up and down along the guide rail of the bed 1 through a beam lifting screw rod j. The working table part comprises a working table 6, a base 4, an 8-gear variable-speed permanent magnet motor 5 and the like, the permanent magnet motor 5 is arranged in the base 4, the motor 5 is connected with the working table 6 to drive the working table 6 to rotate, and the rotating speed of 8 gears of the permanent magnet motor 5 is realized through a change-over switch under the condition of no shutdown, so that the stepless speed regulation can be realized. All operation control of the machine tool is centralized on the button station, the operation is convenient and simple, and the numerical control system 7 is Siemens 828D.