CN220427653U

CN220427653U - Crown block type gantry machining center driven by linear motor

Info

Publication number: CN220427653U
Application number: CN202321521575.9U
Authority: CN
Inventors: 张乐; 莫泗武; 黄璋毅; 唐汉军; 骆华树
Original assignee: Dongguan Xinlian Precision Machinery Co ltd
Current assignee: Dongguan Xinlian Precision Machinery Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2024-02-02
Anticipated expiration: 2033-06-15

Abstract

The utility model discloses a crown block type gantry machining center driven by a linear motor, which relates to the technical field of machining centers and comprises a bottom frame, wherein side frames are arranged on two sides of the top end of the bottom frame, Y axial driving modules are arranged on the top end of each side frame, a beam frame is jointly arranged at the driving ends of the two Y axial driving modules, an X axial driving module is arranged on the front surface of the beam frame, a Z axial driving module is arranged at the driving end of the X axial driving module, and the power sources of the Y axial driving module, the X axial driving module and the Z axial driving module are all linear motors. According to the processing center, the driving modules in the X, Y, Z axial direction are used, the power sources of the driving modules are all driven by adopting the linear motor, and compared with a ball screw transmission structure commonly used in the prior art, the problems that in the moving process of each shaft of a machine tool, the rapid moving speed is low, the moving precision of each shaft is reduced due to screw rod abrasion, and the maintenance of the machine tool precision is poor are avoided.

Description

Crown block type gantry machining center driven by linear motor

Technical Field

The utility model relates to the technical field of machining centers, in particular to a linear motor driven crown block type gantry machining center.

Background

The existing crown block type gantry machining center machine tool generally adopts a traditional structure, namely, X/Y/Z three shafts are all driven by ball screws (as shown in a published patent CN 102672248A), and the quick movement speed is low in the movement process of each shaft of the machine tool due to the abrasion defect of the ball screws, so that the movement precision of each shaft is reduced due to the abrasion of the screw rods, and the maintenance of the precision of the machine tool is poor.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a linear motor driven crown block type gantry machining center, which solves the problems of the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the crown block type gantry machining center driven by the linear motor comprises a bottom frame, wherein side frames are arranged on two sides of the top end of the bottom frame, Y axial driving modules are arranged on the top end of each side frame, a beam frame is jointly arranged at the driving ends of the two Y axial driving modules, an X axial driving module is arranged on the front face of the beam frame, and a Z axial driving module is arranged at the driving end of the X axial driving module;

and the power sources of the Y-axis driving module, the X-axis driving module and the Z-axis driving module are all linear motors.

Further, a workbench is arranged at the top end of the bottom frame and between the two side frames.

Further, a main shaft installation frame is installed at the driving end of the Z-axis driving module.

Further, a rotary driving module is arranged at the bottom end inside the main shaft installation frame.

Further, the driving end of the rotary driving module extends to the lower part of the main shaft installation frame and is provided with a main shaft head.

Further, a tool magazine is arranged at the top end of the bottom frame and positioned at the rear side of the workbench.

The utility model provides a linear motor driven crown block type gantry machining center. Compared with the prior art, the method has the following beneficial effects:

according to the processing center, the driving modules in the X, Y, Z axial direction are used, the power sources of the driving modules are all driven by adopting the linear motor, and compared with a ball screw transmission structure commonly used in the prior art, the problems that in the moving process of each shaft of a machine tool, the rapid moving speed is low, the moving precision of each shaft is reduced due to screw rod abrasion, and the maintenance of the machine tool precision is poor are avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a front view of the present utility model;

fig. 4 is a side view of the present utility model.

In the figure: 1. a bottom frame; 2. a work table; 3. a side frame; 4. a Y-axis driving module; 5. a cross beam frame; 6. an X-axis driving module; 7. a Z-axis driving module; 8. a spindle mounting frame; 9. a rotary driving module; 10. a spindle head; 11. and a tool magazine.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the crown block type gantry machining center driven by a linear motor comprises a bottom frame 1, side frames 3 are arranged on two sides of the top end of the bottom frame 1, the two side frames 3 are used as mounting carriers of a Y-axis driving module 4 and bear the weight of a beam frame 5, an X-axis driving module 6, a Z-axis driving module 7, a spindle mounting frame 8, a rotary driving module 9 and a spindle head 10, a workbench 2 is arranged on the top end of the bottom frame 1 and between the two side frames 3, when the crown block type gantry machining center is used, a workpiece to be machined is positioned on the workbench 2, Y-axis driving modules 4 are arranged on the top end of each side frame 3, a beam frame 5 is jointly arranged at the driving ends of the two Y-axis driving modules 4, an X-axis driving module 6 is arranged on the front surface of the beam frame 5, a Z-axis driving module 7,Z is arranged at the driving end of the X-axis driving module 6, a spindle mounting frame 8 is arranged at the driving end of the Z-axis driving module 7,Z, the rotary driving module 9 is installed to the inside bottom of main shaft installing frame 8, rotary driving module 9 includes motor and speed reducer, the drive end of motor is connected with the power input of speed reducer, the drive end of rotary driving module 9 extends to the below of main shaft installing frame 8, and install spindle head 10 (the concrete structure and the principle of spindle head 10 are the well-known technique of machining center, here not detailed), the power take off end of speed reducer is connected with the driven end of spindle head 10, tool magazine 11 is installed on the top of underframe 1 and the rear side that is located workstation 2, tool magazine 11 includes the motor, the blade disc, a plurality of cutter station and a plurality of different types of cutter, the blade disc is connected to the drive end of motor, the cutter station is installed at the edge a week of blade disc, every cutter corresponds to be placed in the cutter station.

It should be noted that, the bottom frame 1, the side frame 3, the cross beam frame 5 and the spindle mounting frame 8 are all hollow structures, so as to reduce the weight of the whole machining center, and the power sources of the Y axial driving module 4, the X axial driving module 6 and the Z axial driving module 7 are all linear motors.

During the use, will wait to process the work piece and fix on workstation 2 (how fixed specifically is known in the art), then adjust the position of spindle head 10 through Y axial drive module 4, X axial drive module 6, Z axial drive module 7, and drive the cutter rotation through spindle head 10 and process the work piece, if need the tool changing, adjust the position of spindle head 10 again through Y axial drive module 4, X axial drive module 6, Z axial drive module 7, let spindle head 10 be located tool magazine 11 and go out the sword region, tool magazine 11 provides corresponding cutter, change can.

In summary, in the machining center of this embodiment, the driving modules (6, 4, 7) of X, Y, Z axial that are used, the power sources of which all adopt linear motors to realize driving, and compared with the ball screw transmission structure commonly used in the prior art, the problem that the quick-moving speed is lower, the screw rod abrasion causes the motion precision of each shaft to be reduced and the maintenance of the machine tool precision is poor in the process of each shaft motion caused by the abrasion defect of the ball screw is avoided.

Claims

1. The utility model provides a linear electric motor driven overhead traveling crane formula longmen machining center, includes underframe (1), its characterized in that, side frame (3) are all installed to both sides on underframe (1) top, every Y axial drive module (4) are all installed on the top of side frame (3), and crossbeam frame (5) are installed jointly to the drive end of two Y axial drive module (4), X axial drive module (6) are installed in the front of crossbeam frame (5), Z axial drive module (7) are installed to the drive end of X axial drive module (6), main shaft installation frame (8) are installed to the drive end of Z axial drive module (7), rotary drive module (9) are installed to the inside bottom of main shaft installation frame (8), the drive end of rotary drive module (9) extends to the below of main shaft installation frame (8), and installs spindle head (10);

the power sources of the Y-axis driving module (4), the X-axis driving module (6) and the Z-axis driving module (7) are all linear motors;

the tool magazine (11) is installed on top of underframe (1) and is located between two side frames (3), tool magazine (11) are installed on top of underframe (1) and in the rear side of workstation (2), tool magazine (11) include motor, blade disc, a plurality of cutter station and a plurality of different types of cutter, the drive end of motor is connected the blade disc, cutter station installs in the edge a week of blade disc, every cutter corresponds to be placed in cutter station, if need the tool change, through Y axial drive module (4), X axial drive module (6), Z axial drive module (7) adjusts the position of main shaft head (10) once more, let main shaft head (10) be located tool magazine (11) play sword region, tool magazine (11) provide corresponding cutter, change can.