阅读说明：本技术 一种用于大尺寸钢板移动式铣削加工机床 (Be used for portable machine tool that mills of jumbo size steel sheet ) 是由 祁鹏飞 段斌 张鹤祥 胡向阳 于 2021-09-17 设计创作，主要内容包括：一种用于大尺寸钢板移动式铣削加工机床,包括回转座、双自由度工作台,双自由度工作台固定设置在回转座上部,双自由度工作台设置有工作主轴,工作主轴上设置有铣刀；大尺寸钢板的移动式加工装置使用时,固定设置在待加工的钢板上,回转座带动双自由度工作台做旋转运动,双自由度工作台做水平和垂直运动,回转座与双自由度工作台联动,带动工作主轴做各种复杂曲线运动,工作主轴驱动铣刀对待加工钢板进行各种通孔、盲孔及异形槽的加工；本发明公开的大尺寸钢板移动式铣削加工机床具有使用灵活,孔或槽的加工精度高、质量好的优点,解决了大尺寸钢板高精度孔或槽的加工难题。(A movable milling machine tool for large-size steel plates comprises a rotary seat and a two-degree-of-freedom workbench, wherein the two-degree-of-freedom workbench is fixedly arranged at the upper part of the rotary seat and is provided with a working main shaft, and a milling cutter is arranged on the working main shaft; when the movable machining device for the large-size steel plate is used, the movable machining device is fixedly arranged on the steel plate to be machined, the rotary seat drives the two-degree-of-freedom workbench to do rotary motion, the two-degree-of-freedom workbench does horizontal and vertical motion, the rotary seat is linked with the two-degree-of-freedom workbench to drive the working spindle to do various complex curvilinear motions, and the working spindle drives the milling cutter to machine various through holes, blind holes and special-shaped grooves on the steel plate to be machined; the movable milling machine tool for the large-size steel plate disclosed by the invention has the advantages of flexibility in use, high machining precision of the holes or the grooves and good quality, and solves the machining problem of the high-precision holes or the grooves of the large-size steel plate.)

1. The utility model provides a be used for portable milling process machine tool of jumbo size steel sheet which characterized by: the numerical control milling machine comprises a rotary seat (1) and a two-degree-of-freedom workbench (2), wherein the two-degree-of-freedom workbench (2) is fixedly arranged at the upper part of the rotary seat (1), the two-degree-of-freedom workbench (2) is provided with a working spindle (3), and a milling cutter is arranged on the working spindle (3); when the movable machining device for the large-size steel plate is used, the movable machining device is fixedly arranged on the steel plate to be machined, the rotary seat (1) drives the two-degree-of-freedom workbench (2) to do rotary motion, the two-degree-of-freedom workbench (2) to do horizontal and vertical motion, the two-degree-of-freedom workbench (2) drives the working spindle (3) to do various complex curvilinear motions, and the working spindle (3) drives the milling cutter to mill various through holes, blind holes and special-shaped grooves of the steel plate to be machined.

2. The mobile milling machine tool for the large-size steel plates as set forth in claim 1, wherein: the rotary seat (1) comprises a base (1.1), a magnetic seat (1.2), a rotary table (1.3) and a rotary table driving device (1.4); the base (1.1) comprises an upper ring plate and a lower ring plate which are fixedly connected through a plurality of supporting plates; a plurality of magnetic force seats are fixedly arranged on the lower ring plate; a rotary table (1.3) is fixedly arranged on the upper ring plate, and the rotary table (1.3) is driven by a rotary table driving device (1.4) to rotate.

3. The mobile milling machine tool for large-size steel plates as set forth in claim 2, wherein: the two-degree-of-freedom workbench (2) comprises a horizontal guide rail seat assembly (2.1), a horizontal driving mechanism (2.2) and a vertical driving mechanism (2.3);

the horizontal guide rail seat assembly (2.1) comprises a horizontal guide rail seat (2.1.1), a horizontal guide rail (2.1.2) and a horizontal sliding block (2.1.3); the horizontal guide rail seat (2.1.1) is fixedly arranged at the upper part of the rotary table (1.3), two groups of horizontal guide rails (2.1.2) and horizontal sliding blocks (2.1.3) are arranged in parallel, the horizontal guide rails (2.1.2) are fixedly arranged at the upper part of the horizontal guide rail seat (2.1.1), and the horizontal sliding blocks (2.1.3) are in sliding connection with the horizontal guide rails (2.1.2);

the horizontal driving mechanism (2.2) comprises a horizontal driving motor (2.2.1), a horizontal driving lead screw (2.2.2) and a horizontal sliding seat (2.2.3); a screw nut is fixedly arranged in the middle of the horizontal sliding seat (2.2.3), fin plates (2.2.3.1) are arranged on two sides of the upper part of the horizontal sliding seat, and a dovetail groove (2.2.3.2) is arranged on the side surface of the horizontal sliding seat; the horizontal sliding seat (2.2.3) is fixedly connected with the horizontal sliding block (2.1.3) through a fin plate (2.2.3.1) and is connected with the horizontal driving screw rod (2.2.2) through a screw rod nut; the horizontal driving screw rod (2.2.2) is connected with the horizontal driving motor (2.2.1) through a coupler;

the vertical driving mechanism (2.3) comprises a vertical driving motor (2.3.1), a vertical driving screw rod (2.3.2), a vertical sliding seat (2.3.3) and a vertical driving mechanism bottom plate (2.3.4); the vertical driving mechanism bottom plate (2.3.4) is fixedly arranged at the upper part of the horizontal sliding seat (2.2.3); a worm wheel and a worm are meshed on the vertical driving mechanism bottom plate (2.3.4), the worm wheel is fixedly connected with a vertical driving screw rod (2.3.2), and the worm is fixedly connected with a vertical driving motor (2.3.1) through a coupler; a screw nut is fixedly arranged on the vertical sliding seat (2.3.3), and the vertical sliding seat (2.3.3) is connected with a vertical driving screw (2.3.2) through the screw nut; dovetail guide rails are arranged on the side edges of the vertical sliding seats (2.3.3), and the dovetail guide rails of the vertical sliding seats (2.3.3) are arranged in dovetail grooves (2.2.3.2) of the horizontal sliding seats (2.2.3) in a sliding mode.

4. The movable boring device for the large-size steel plate as claimed in claim 2, wherein: the magnetic base (1.2) is a permanent magnetic base.

5. The movable boring device for the large-size steel plate as claimed in claim 2, wherein: the magnetic base (1.2) is an electromagnetic magnetic base.

6. A mobile milling machine tool for large-size steel plates according to claim 3, characterized in that: the working spindle (3) is fixedly arranged on the side surface of the vertical sliding seat (2.3.3).

Technical Field

The invention relates to the technical field of processing equipment for large-sized steel plates, in particular to a movable milling machine tool for large-sized steel plates.

Background

The existing steel plate parts are processed into holes with larger sizes or are mostly cut by laser, so that the processing precision and the surface quality of the holes are higher; however, when the steel plate is too large to be arranged on a laser cutting machine, only flame cutting or plasma cutting can be adopted; the holes or the diameter processed by laser cutting, flame cutting and plasma cutting have low precision and poor surface quality, only through holes or through grooves can be processed, the design requirements cannot be met, and currently, no finish machining equipment for large-size steel plate holes, grooves or blind holes and special-shaped grooves exists, so that a better solution to the problem is not available at present.

Disclosure of Invention

In order to overcome the defects in the background technology, the invention discloses a movable milling machine tool for a large-size steel plate, which comprises a rotary seat and a two-degree-of-freedom workbench, wherein the two-degree-of-freedom workbench is fixedly arranged at the upper part of the rotary seat and is provided with a working main shaft, and a milling cutter is arranged on the working main shaft; when the movable machining device for the large-size steel plate is used, the movable machining device is fixedly arranged on the steel plate to be machined, the rotary seat drives the two-degree-of-freedom workbench to do rotary motion, the two-degree-of-freedom workbench does horizontal and vertical motion, the rotary seat is linked with the two-degree-of-freedom workbench to drive the working spindle to do various complex curvilinear motions, and the working spindle drives the milling cutter to perform milling finish machining on various through holes, blind holes and special-shaped grooves on the steel plate to be machined.

In order to realize the purpose, the invention adopts the following technical scheme: the double-freedom-degree workbench is fixedly arranged at the upper part of the rotary seat, and is provided with a working main shaft on which a milling cutter is arranged; when the movable machining device for the large-size steel plate is used, the movable machining device is fixedly arranged on the steel plate to be machined, the rotary seat drives the two-degree-of-freedom workbench to do rotary motion, the two-degree-of-freedom workbench can realize X-axis horizontal direction motion and Z-axis vertical direction motion, the rotary seat is linked with the two-degree-of-freedom workbench to drive the working spindle to do various complex curvilinear motions, and the working spindle drives the milling cutter to mill and finish machine various through holes, blind holes and special-shaped grooves on the steel plate to be machined.

Furthermore, the rotary seat comprises a base, a magnetic seat, a rotary table and a rotary table driving device; the base comprises an upper annular plate and a lower annular plate, the upper annular plate and the lower annular plate are fixedly connected through a plurality of supporting plates in a welding mode, a plurality of magnetic force seats are fixedly arranged on the lower annular plate, when the large-size steel plate movable boring device works, the lower annular plate is arranged on a steel plate to be processed, and the movable boring device is fixedly adsorbed on the steel plate through the magnetic force seats; the upper ring plate is fixedly provided with a rotary table, the rotary table is driven by a rotary table driving device to rotate, the rotary table adopts a rotary supporting structure, and the rotary table driving device drives the rotary table to rotate through a gear.

Furthermore, the two-degree-of-freedom workbench comprises a horizontal guide rail seat assembly, a horizontal driving mechanism and a vertical driving mechanism;

the horizontal guide rail seat assembly comprises a horizontal guide rail seat, a horizontal guide rail and a horizontal sliding block, and the horizontal guide rail and the horizontal sliding block are standard parts; the horizontal guide rail seat is fixedly arranged at the upper part of the rotary table, two groups of horizontal guide rails and horizontal sliding blocks are arranged in parallel, the horizontal guide rails are fixedly arranged at the upper part of the horizontal guide rail seat, and the horizontal sliding blocks are connected with the horizontal guide rails in a sliding manner to realize the linear motion of the X axis in the horizontal direction;

the horizontal driving mechanism comprises a horizontal driving motor, a horizontal driving lead screw and a horizontal sliding seat; a screw nut is fixedly arranged in the middle of the horizontal sliding seat, fin plates are arranged on two sides of the upper part of the horizontal sliding seat, and dovetail grooves are formed in the side surfaces of the horizontal sliding seat; the horizontal sliding base is fixedly connected with the horizontal sliding block through a fin plate and is connected with a horizontal driving screw rod through a screw rod nut; the horizontal driving screw rod is connected with a horizontal driving motor through a coupler; the horizontal driving motor rotates to drive the horizontal driving lead screw to rotate, the lead screw nut converts the rotary motion of the horizontal driving lead screw into linear motion, and the lead screw nut drives the horizontal sliding seat to do linear motion in the X-axis horizontal direction;

the vertical driving mechanism comprises a vertical driving motor, a vertical driving screw rod, a vertical sliding seat and a vertical driving mechanism bottom plate; the vertical driving mechanism bottom plate is fixedly arranged at the upper part of the horizontal sliding seat; a worm wheel and a worm are meshed on the bottom plate of the vertical driving mechanism, the worm wheel is fixedly connected with a vertical driving lead screw, and the worm is fixedly connected with a vertical driving motor through a coupler; a screw nut is fixedly arranged on the vertical sliding seat, and the vertical sliding seat is connected with a vertical driving screw through the screw nut; a dovetail guide rail is arranged on the side edge of the vertical sliding seat, and the dovetail guide rail of the vertical sliding seat is arranged in a dovetail groove of the horizontal sliding seat in a sliding manner; the vertical driving motor rotates, the rotation of the vertical driving screw rod is converted into the rotation of the vertical driving screw rod through the meshing of the worm and the worm wheel, the rotation of the vertical driving screw rod is converted into the linear motion by the screw nut, and the screw nut drives the vertical sliding seat to do the linear motion in the vertical direction of the Z axis.

Furthermore, the magnetic base is a permanent magnetic base, and the large-size steel plate movable boring device is fixedly connected with and separated from the steel plate by rotating the handle.

Preferably, the magnetic base is an electromagnetic magnetic base, and the large-size steel plate movable boring device is fixedly connected with and separated from the steel plate by switching on and off the magnetic base.

Furthermore, the working spindle is fixedly arranged on the side face of the vertical sliding seat, a milling cutter is mounted on the lower portion of the working spindle, and the working spindle drives the milling cutter to rotate so as to perform milling.

Due to the adoption of the technical scheme, the invention has the following beneficial effects: the invention discloses a movable milling machine tool for a large-size steel plate, which comprises a rotary seat and a two-degree-of-freedom workbench, wherein the two-degree-of-freedom workbench is fixedly arranged at the upper part of the rotary seat and is provided with a working main shaft, and a milling cutter is arranged on the working main shaft; when the movable machining device for the large-size steel plate is used, the movable machining device is fixedly arranged on the steel plate to be machined, the rotary seat drives the two-degree-of-freedom workbench to do rotary motion, the two-degree-of-freedom workbench does horizontal and vertical motion, the rotary seat is linked with the two-degree-of-freedom workbench to drive the working spindle to do various complex curvilinear motions, and the working spindle drives the milling cutter to machine various through holes, blind holes and special-shaped grooves on the steel plate to be machined; the movable milling machine tool for the large-size steel plate disclosed by the invention has the advantages of flexibility in use, high machining precision of the holes or the grooves and good quality, and solves the machining problem of the high-precision holes or the grooves of the large-size steel plate.

Drawings

FIG. 1 is a schematic appearance diagram of a mobile milling machine tool for large-size steel plates;

FIG. 2 is an external view of the turret;

FIG. 3 is an external view of a two-degree-of-freedom workbench;

FIG. 4 is a schematic exterior view of a horizontal rail housing assembly;

FIG. 5 is an external view of the horizontal driving mechanism;

fig. 6 is an external view of the vertical driving mechanism.

In the figure: 1. a rotary base; 1.1, a base; 1.2, a magnetic base; 1.3, a rotary table; 1.4, a rotary table driving device; 2. a two degree of freedom table; 2.1, a horizontal guide rail seat component; 2.1.1, horizontal guide rail seats; 2.1.2, horizontal guide rail; 2.1.3, a horizontal sliding block; 2.2, a horizontal driving mechanism; 2.2.1, horizontally driving a motor; 2.2.2, horizontally driving a lead screw; 2.2.3, a horizontal sliding seat; 2.2.3.1, a fin plate; 2.2.3.2, dovetail grooves; 2.3, a vertical driving mechanism; 2.3.1, vertically driving a motor; 2.3.2, vertically driving a lead screw; 2.3.3, a vertical sliding seat; 2.3.4, a vertical driving mechanism bottom plate; 3. a working spindle.

Detailed Description

The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.

A large-size rotary table comprises a rotary seat 1 and a double-freedom-degree workbench 2; the rotary seat 1 comprises a base 1.1, a permanent magnetic force seat, a rotary table 1.3 and a rotary table driving device 1.4; the base 1.1 comprises an upper ring plate and a lower ring plate which are fixedly connected through a plurality of supporting plates; four permanent magnetic force seats are fixedly arranged on the lower ring plate in an array mode by winding the axis of the rotary seat 1; a rotary table 1.3 is fixedly arranged on the upper ring plate, and the rotary table 1.3 is driven by a rotary table driving device 1.4 to rotate;

the two-degree-of-freedom workbench 2 comprises a horizontal guide rail seat assembly 2.1, a horizontal driving mechanism 2.2 and a vertical driving mechanism 2.3;

the horizontal guide rail seat component 2.1 comprises a horizontal guide rail seat 2.1.1, a horizontal guide rail 2.1.2 and a horizontal sliding block 2.1.3; the horizontal guide rail seat 2.1.1 is fixedly arranged at the upper part of the rotary table 1.3, two groups of horizontal guide rails 2.1.2 and horizontal sliders 2.1.3 are arranged in parallel, the horizontal guide rails 2.1.2 are fixedly arranged at the upper part of the horizontal guide rail seat 2.1.1, and the horizontal sliders 2.1.3 are in sliding connection with the horizontal guide rails 2.1.2;

the horizontal driving mechanism 2.2 comprises a horizontal driving motor 2.2.1, a horizontal driving screw rod 2.2.2 and a horizontal sliding seat 2.2.3; a screw nut is fixedly arranged in the middle of the horizontal sliding seat 2.2.3, fins 2.2.3.1 are arranged on two sides of the upper part of the horizontal sliding seat, and a dovetail groove 2.2.3.2 is arranged on the side surface of the horizontal sliding seat; the horizontal sliding seat 2.2.3 is fixedly connected with the horizontal sliding block 2.1.3 through a fin 2.2.3.1 and is connected with a horizontal driving screw rod 2.2.2 through a screw rod nut; the horizontal driving screw rod 2.2.2 is connected with the horizontal driving motor 2.2.1 through a coupler;

the vertical driving mechanism 2.3 comprises a vertical driving motor 2.3.1, a vertical driving screw rod 2.3.2, a vertical sliding seat 2.3.3 and a vertical driving mechanism bottom plate 2.3.4; the vertical driving mechanism bottom plate 2.3.4 is fixedly arranged at the upper part of the horizontal sliding seat 2.2.3; a worm wheel and a worm are meshed with the vertical driving mechanism bottom plate 2.3.4, the worm wheel is fixedly connected with the vertical driving screw rod 2.3.2, and the worm is fixedly connected with the vertical driving motor 2.3.1 through a coupler; a screw nut is fixedly arranged on the vertical sliding seat 2.3.3, and the vertical sliding seat 2.3.3 is connected with a vertical driving screw 2.3.2 through the screw nut; dovetail guide rails are arranged on the side edges of the vertical sliding seats 2.3.3, and the dovetail guide rails of the vertical sliding seats 2.3.3 are arranged in the dovetail grooves 2.2.3.2 of the horizontal sliding seats 2.2.3 in a sliding mode;

the two-degree-of-freedom workbench 2 is fixedly arranged at the upper part of the rotary seat 1.

The large-size steel plate movable milling machine tool is arranged on a steel plate to be processed and is fixed through a permanent magnetic base after being aligned when the large-size steel plate movable milling machine tool is used for milling the steel plate; the revolving seat drives the double-freedom-degree workbench to do rotary motion, the double-freedom-degree workbench realizes X-axis horizontal direction motion and Z-axis vertical direction motion, the revolving seat is linked with the double-freedom-degree workbench to drive the working spindle to do various complex curve motions, and the working spindle drives the milling cutter to perform milling finish machining on various through holes, blind holes and special-shaped grooves on a steel plate to be machined.

The present invention is not described in detail in the prior art.