阅读说明：本技术 电机壳体专用镗床 (Special boring machine for motor shell ) 是由 张雷 肖卫东 冯小勇 苗勇 杨亮 李猛 刘伟 尹君 徐宁 李鹏 杨旭 张海鹏 于 2021-09-10 设计创作，主要内容包括：一种电机壳体专用镗床,床身工作台后方立柱X轴滑道上的滑块上有与工作台垂直的滑鞍,滑鞍上Z轴滑道上的滑块上有主轴箱,主轴箱上主轴电机通过传动装置连有圆管形空心主轴,主轴下端连有径向移动双镗刀夹,径向移动双镗刀夹的壳体内嵌有双镗刀卡具,双镗刀卡具的左、右刀卡滑道上分别有具有斜向齿排和镗刀卡孔的刀卡滑块,左、右刀卡滑块的斜向齿排之间有相啮合的齿条,Z轴滑块上的齿条伺服电机通过轴向升降装置连有拉杆,拉杆插在空心主轴内,齿条连在拉杆下端,伺服电机可连接数控装置。本发明在电机壳体圆筒形金属坯件的内圆柱面上加工阶梯形圆柱面时,对镗刀作径向调节很方便。(A special boring machine for a motor shell is characterized in that a sliding saddle perpendicular to a workbench is arranged on a sliding block on an X-axis slide way of a stand column at the rear of a lathe bed workbench, a spindle box is arranged on a sliding block on a Z-axis slide way on the sliding saddle, a spindle motor on the spindle box is connected with a tubular hollow spindle through a transmission device, the lower end of the spindle is connected with a radial moving double-boring cutter holder, a double-boring cutter clamp is embedded in a shell of the radial moving double-boring cutter holder, cutter clamp sliding blocks with oblique tooth rows and boring cutter clamping holes are respectively arranged on a left cutter clamp slide way and a right cutter clamp slide way of the double-boring cutter clamp, meshed racks are arranged between the oblique tooth rows of the left cutter clamp sliding block and the right cutter clamp sliding block, a rack servo motor on the Z-axis slide block is connected with a pull rod through an axial lifting device, the pull rod is inserted into the hollow spindle, and the racks are connected to the lower end of the pull rod, and the servo motor can be connected with a numerical control device. When the stepped cylindrical surface is processed on the inner cylindrical surface of the cylindrical metal blank of the motor shell, the boring cutter is convenient to radially adjust.)

1. The utility model provides a special boring machine of motor casing, there is the lathe bed, there is the horizontally workstation above the lathe bed, there is the stand perpendicular with the workstation rear the lathe bed, there is the horizontally X axle slide in the front of the stand, there is the X axle slider on the X axle slide, there is X axle slider driving motor between X axle slider and the stand, there is the saddle perpendicular with the workstation on the X axle slider, there is the Z axle slide perpendicular with the workstation on the saddle, the Z axle slide has the Z axle slider, there is Z axle slider driving motor between Z axle slider and the saddle, there is the headstock on the Z axle slider, there is spindle motor on the headstock, spindle motor even has the main shaft through transmission, the main shaft lower extreme even has boring cutter holder, its characterized in that:

the boring cutter holder is a radial moving double boring cutter holder which is provided with a round cover-shaped shell, a double boring cutter clamp is embedded in the shell and is provided with a left and a right horizontal cutter clamp slideways, a cutter clamp sliding block with an oblique tooth row and a boring cutter clamping hole is respectively arranged on the left and the right cutter clamp slideways, and the left, the oblique tooth rows of the right tool clamping slide block are parallel and opposite, racks meshed with the oblique tooth rows of the left tool clamping slide block and the right tool clamping slide block are arranged between the oblique tooth rows of the left tool clamping slide block and the right tool clamping slide block, the racks extend out of the upper portion of the shell, the spindle is a circular tube-shaped hollow spindle, a rack motor is arranged on the Z-axis slide block and is a servo motor, the rack motor is connected with a pull rod through an axial lifting device, the pull rod is inserted into the hollow spindle, the axis of the pull rod and the axis of the hollow spindle are on the same straight line, the shell of the radial moving double-boring tool holder is connected to the lower end of the spindle, and the racks extending out of the upper portion of the shell are connected to the lower end of the pull rod.

Technical Field

The invention relates to a processing device for metal blanks, in particular to a special boring machine for a motor shell.

Background

The metal blank of the motor shell is cylindrical, and the step of processing the inner cylindrical surface of the cylindrical metal blank of the motor shell is provided during processing, which is an important processing step of the metal blank of the motor shell.

The inner cylindrical surface of the cylindrical metal blank of the motor shell can be processed into a stepped cylindrical surface by a lathe. When a metal blank of a motor housing is machined by a lathe, the cylindrical metal blank of the motor housing is clamped by a metal blank clamp of the lathe. During cutting, the clamp drives the cylindrical metal blank of the motor shell to rotate, and a turning tool is used for cutting and processing a stepped cylindrical surface on the inner cylindrical surface of the cylindrical metal blank of the motor shell. When the cylindrical metal blank of the motor housing is machined by a lathe, the cylindrical metal blank of the motor housing needs to be tightly clamped on a clamp because the cylindrical metal blank of the motor housing needs to rotate at a high speed, so that the cylindrical metal blank of the motor housing can deform, and the cylindrical metal blank of the motor housing can be damaged in severe cases.

And machining the cylindrical metal blank of the motor shell by using a vertical boring machine. In the prior art, a vertical boring machine comprises a machine body, a horizontal workbench is arranged on the machine body, a column vertical to the workbench is arranged behind the machine body, a horizontal X-axis slide way is arranged in front of the column, an X-axis slide block is arranged on the X-axis slide way, an X-axis slide block driving motor is arranged between the X-axis slide block and the column, a saddle vertical to the workbench is arranged on the X-axis slide block, a Z-axis slide way vertical to the workbench is arranged on the saddle, a Z-axis slide block is arranged on the Z-axis slide way, a Z-axis slide block driving motor is arranged between the Z-axis slide block and the saddle, a spindle box is arranged on the Z-axis slide block, a spindle motor is arranged on the spindle box, the spindle motor is connected with a spindle through a transmission device, a boring cutter holder is connected to the lower end of the spindle, and a radial boring cutter is clamped on the boring cutter holder.

When a vertical boring machine is used for processing the cylindrical metal blank of the motor shell, the cylindrical metal blank of the motor shell is clamped on a workbench, a radial boring cutter at the lower end of a spindle is inserted into a cylindrical inner cavity of the metal blank of the motor shell, the spindle motor rotates to drive the spindle to rotate, the spindle rotates to drive the radial boring cutter to rotate, and a blade at the outer end of the rotating radial boring cutter can process a stepped cylindrical surface on the inner cylindrical surface.

When the stepped cylindrical surface is processed on the inner cylindrical surface of the cylindrical metal blank of the motor shell by using the vertical boring machine, the radial boring cutter needs to be manually adjusted for multiple times, and the radial adjustment of the boring cutter is troublesome.

Disclosure of Invention

The invention aims to overcome the defects and provides a special boring machine for a motor shell, which can conveniently perform radial adjustment on a radial boring cutter of a vertical boring machine.

The present invention is realized by the following method.

The special boring machine for the motor shell comprises a machine body, a horizontal workbench is arranged on the machine body, a vertical column vertical to the workbench is arranged behind the machine body, a horizontal X-axis slide way is arranged in front of the vertical column, an X-axis slide block is arranged on the X-axis slide way, an X-axis slide block driving motor is arranged between the X-axis slide block and the vertical column, a saddle vertical to the workbench is arranged on the X-axis slide block, a Z-axis slide way vertical to the workbench is arranged on the saddle, a Z-axis slide way is provided with a Z-axis slide block, a Z-axis slide block driving motor is arranged between the Z-axis slide block and the saddle, a main shaft box is arranged on the Z-axis slide block, a main shaft motor is arranged on the main shaft box, the main shaft motor is connected with a main shaft through a transmission device, the lower end of the main shaft is connected with a boring cutter clamp which is a radial moving double cutter clamp which is provided with a round-cover-shaped shell, a double boring cutter clamp fixture is embedded in the shell, a horizontal left cutter clamp slide way and a right cutter clamp slide way, a cutter clamp slide way which is provided with an oblique tooth row and a boring hole respectively, the oblique tooth rows of the left and right tool clamping sliding blocks are parallel and opposite, racks meshed with the oblique tooth rows of the left and right tool clamping sliding blocks are arranged between the oblique tooth rows of the left and right tool clamping sliding blocks, the racks extend out of the upper portion of the shell, the spindle is a circular tube-shaped hollow spindle, a rack motor is arranged on the Z-axis sliding block and is a servo motor, the rack motor is connected with a pull rod through an axial lifting device, the pull rod is inserted into the hollow spindle, the axis of the pull rod and the axis of the hollow spindle are on the same straight line, the shell of the radial moving double-boring tool clamp is connected to the lower end of the spindle, and the racks extending out of the upper portion of the shell are connected to the lower end of the pull rod.

The spindle motor can drive the spindle to rotate and simultaneously drive the radial moving double boring cutter clamps to rotate. The rack motor rotates and can drive the pull rod to lift through the axial lifting device, the pull rod can drive the left tool clamping slide block and the right tool clamping slide block to move radially, the left tool clamping slide block and the right tool clamping slide block can drive the boring tool in the boring tool clamping hole to move radially, the rack motor is a servo motor, the servo motor can be connected with a numerical control device, and the numerical control device can control the radial displacement of the boring tool.

When the machine is used for processing the cylindrical metal blank of the motor shell, the cylindrical metal blank of the motor shell is clamped on the workbench, the radial moving double boring cutter clamps at the lower end of the main shaft are inserted into the cylindrical inner cavity of the metal blank of the motor shell, the main shaft is driven to rotate by the rotation of the main shaft motor and driven to rotate by the radial moving double boring cutter clamps, the radial displacement of the boring cutter is controlled by a numerical control device, and a stepped cylindrical surface is processed on the inner cylindrical surface of the cylindrical metal blank of the motor shell.

The invention has a boring cutter radial device which is formed by connecting a rack motor on a Z-axis sliding block, an axial lifting device, a pull rod inserted in a hollow main shaft and a radial moving double boring cutter holder, wherein the rack motor is a servo motor, the radial moving double boring cutter holder is provided with a helical tooth type tooth row transmission device, the helical tooth type tooth row transmission device can drive the boring cutter to move radially, and the servo motor is connected with a numerical control device. When the stepped cylindrical surface is processed on the inner cylindrical surface of the cylindrical metal blank of the motor shell, the boring cutter is convenient to radially adjust.

The invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic perspective view of a boring machine specially used for a motor housing according to the invention;

FIG. 2 is a schematic partial cross-sectional view of the headstock;

FIG. 3 is a perspective view of a radially moving dual boring toolholder;

FIG. 4 is a schematic bottom view of FIG. 3;

FIG. 5 is a perspective view of a helical tooth row transmission;

fig. 6 is a schematic partial cross-sectional view of fig. 5.

Detailed Description

In the drawings 1-6, the special boring machine for the motor shell comprises a machine body 1, a horizontal workbench 2 is arranged on the machine body, a vertical column 3 vertical to the workbench is arranged at the rear of the machine body, a horizontal X-axis slide way 4 is arranged in front of the vertical column, an X-axis slide block 5 is arranged on the X-axis slide way, an X-axis slide block driving motor 6 is arranged between the X-axis slide block and the vertical column, a saddle 7 vertical to the workbench is arranged on the X-axis slide block, a Z-axis slide way 8 vertical to the workbench is arranged on the saddle, a Z-axis slide block 9 is arranged on the Z-axis slide way, a Z-axis slide block driving motor 10 is arranged between the Z-axis slide block and the saddle, a spindle box 11 is arranged on the Z-axis slide block, a spindle motor 12 is arranged on the spindle box, the spindle motor is connected with a spindle 14 through a transmission device 13, a boring cutter holder 15 is connected to the lower end of the spindle, the boring cutter holder is a radially moving double boring cutter holder, a dome-shaped shell 16 is embedded in the shell, and the double boring cutter holder 17 is provided with a horizontal left, a left boring cutter, a left cutter, a right cutter is arranged on the left cutter, a right cutter is arranged on the left cutter, a right cutter, a left cutter is arranged on the left cutter, a right cutter is arranged on the left cutter, a right cutter, a left end of the left cutter, a right end of the left end of the spindle, a right end of the left end of the spindle, and a right end of the spindle, and a left of the spindle, and a right end, The tool clamping device comprises right tool clamping slide ways 18 and 19, wherein the left tool clamping slide way and the right tool clamping slide way are respectively provided with tool clamping slide blocks 22 and 23 with inclined tooth rows 20 and boring tool clamping holes 21, the inclined tooth rows of the left tool clamping slide block and the right tool clamping slide block are parallel and opposite, a rack 24 meshed with the inclined tooth rows of the left tool clamping slide block and the right tool clamping slide block is arranged between the inclined tooth rows of the left tool clamping slide block and the right tool clamping slide block, the rack extends out of the upper part of a shell, the spindle is a circular tube-shaped hollow spindle, a Z-axis slide block is provided with a rack motor 25 which is a servo motor, the rack motor is connected with a pull rod 27 through an axial lifting device 26, the pull rod is inserted into the hollow spindle, the axis of the pull rod and the axis of the hollow spindle are on the same straight line, the shell for radially moving double tool clamps is connected to the lower end of the spindle, and the rack extending out of the upper part of the shell is connected to the lower end of the pull rod.

A horizontal table holds a cylindrical metal blank 29 for the motor housing with a jig 28.