CN212443730U

CN212443730U - Double-drive metal cutting machine

Info

Publication number: CN212443730U
Application number: CN202020868019.9U
Authority: CN
Inventors: 汪金文
Original assignee: Shenzhen Master Laser Equipment Co ltd
Current assignee: Shenzhen Master Laser Equipment Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-02-02
Anticipated expiration: 2030-05-21

Abstract

The utility model provides a two metal cutting machines that drive belongs to cutting machine structure field. The utility model discloses a workstation, the Y axle motion module of two parallels of setting on the workstation sets up the product cutting bed between two Y axle motion modules, Y axle motion module top is equipped with the slider, two drive metal cutting machines still include X axle motion module, the both ends of X axle motion module set up respectively on the slider of the Y axle motion module top of both sides and can follow Y axle motion, still including setting up on X axle motion module, can follow the Z axle motion module of X axle motion, set up at Z axle motion module, along the cutting head subassembly that is used for cutting the metal of Z axle motion, the cutting head subassembly sets up product cutting bed top, the drive module of Y axle motion module and X axle motion module is linear electric motor. The utility model has no friction loss and greatly prolongs the service life; the synchronism is good, the response is fast, and the machining precision is promoted greatly.

Description

Double-drive metal cutting machine

Technical Field

The utility model relates to a cutting machine structure especially relates to a two metal cutting machines that drive.

Background

The metal cutting machine on the market adopts screw drive, and control metal cutting head moves on the workstation, comes the cutting metal, however, screw drive can cause the friction loss, can produce reverse clearance after long-time friction, influences the use. At least a clearance of +/-0.01 mm is always reserved between the ball of the screw rod and the ball groove, and repeated reversing of the motor can generate a repeatability error. In addition, the traditional screw rod structure is limited by factors such as friction, the rotating speed of a servo motor, the slenderness ratio of the screw rod and the like, and the stable high-speed characteristic of the linear motor cannot be achieved.

In addition, the empty portal on the market is a single-drive mechanism, is suitable for processing small-width products, and can generate resonance if the width is increased, so that the product precision is influenced.

SUMMERY OF THE UTILITY MODEL

For solving the problem in the prior art, the utility model provides a two metal cutting machines that drive.

The utility model discloses a workstation, the Y axle motion module of two parallels of setting on the workstation sets up the product cutting bed between two Y axle motion modules, Y axle motion module top is equipped with the slider, two drive metal cutting machines still include X axle motion module, the both ends of X axle motion module set up respectively on the slider of the Y axle motion module top of both sides and can follow Y axle motion, still including setting up on X axle motion module, can follow the Z axle motion module of X axle motion, set up at Z axle motion module, along the cutting head subassembly that is used for cutting the metal of Z axle motion, the cutting head subassembly sets up product cutting bed top, the drive module of Y axle motion module and X axle motion module is linear electric motor.

The utility model discloses do further improvement, still include the section bar base, the section bar base sets up on the slider of Y axle motion module top, X axle motion module is fixed on the section bar base.

The utility model discloses make further improvement, the straightness accuracy of section bar base is within 0.02 mm.

The utility model discloses do further improvement, two parallel guide are seted up along length direction to the section bar base, and the linear electric motor stator sets up between two parallel guide, and linear electric motor's active cell sets up on the slider on two parallel guide.

The utility model discloses make further improvement, be equipped with 0.6mm-0.9 mm's clearance between linear electric motor stator and the linear electric motor active cell.

The utility model discloses make further improvement, the workstation is marble base.

The utility model discloses make further improvement, the cutting head subassembly is the optic fibre cutting head, optic fibre cutting head upper end is equipped with the laser instrument optic fibre head installing port that is used for installing the laser instrument.

The utility model discloses do further improvement, still including setting up at the safety cover of workstation top surface periphery, setting up window, display and operating button on the safety cover and set up in the workstation below, the controller that links to each other with display and operating button respectively.

The utility model discloses make further improvement, still including the keyboard that is used for operation display, be equipped with on the safety cover shell and hold the holding tank of keyboard, the bottom plate inboard of keyboard is articulated with holding tank lateral wall, the keyboard can be opened or fold into accomodate in the holding tank.

The utility model discloses make further improvement, the safety cover top surface still is equipped with the pilot lamp, the workstation below is equipped with load stabilizer blade or gyro wheel.

Compared with the prior art, the beneficial effects of the utility model are that: the loss caused by friction is avoided, and the service life is greatly prolonged; compared with the traditional lead screw guide rail structure, the repeated positioning precision can be improved by one order of magnitude; the running speed can reach more than 2 times of the structure of the guide rail of the screw rod on the market, thereby improving the processing efficiency; the problem of large inertia caused by unilateral driving is avoided, and the cutting precision is greatly improved; the processing breadth is larger. Compared with the traditional single-drive structure, the repeated positioning precision can be improved by one order of magnitude; the processing range is multiplied compared with the traditional structure.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a worktable;

fig. 3 is a schematic structural diagram of a gantry.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1, the utility model discloses a workstation 1 sets up control bin 7 in workstation 1 below, is equipped with the controller in the control bin, sets up safety cover 2 in workstation 1 top surface periphery, sets up display 3 on the positive panel of safety cover 2, sets up operating button 4 in display 3 below and is used for operating display's keyboard 5, be equipped with on the casing of safety cover 2 and hold keyboard 5's holding tank, keyboard 5's bottom plate inboard is articulated with the holding tank lateral wall, keyboard 5 can be opened or fold into accomodate in the holding tank. The controller of this example is connected with display 3, operating button 4 and keyboard 5 respectively, the safety cover 2 top surface still is equipped with tristimulus designation lamp 6 for instruct the operating condition of this cutting machine to report to the police after meetting the trouble. A plurality of load supporting feet 9 are arranged below the workbench 1, and can also be supporting structures such as rollers and the like.

In addition, the front panel of the protective cover 2 of this embodiment is provided with a window for observing the internal processing state, and a door 8 for taking and placing products is further provided on the side surface.

As shown in fig. 2 and 3, the working table 1 of this embodiment is further provided with a marble substrate 16, the marble substrate 11 is provided with two parallel Y-

axis movement modules

10 and 11, a product cutting table 12 is arranged between the two Y-

axis movement modules

10 and 11, sliders are arranged above the Y-

axis movement modules

10 and 11, the dual-drive metal cutting machine further comprises an X-axis movement module 13, two ends of the X-axis movement module 13 are respectively arranged on the sliders above the Y-

axis movement modules

10 and 11 at two sides and can move along the Y-axis, the dual-drive metal cutting machine further comprises a Z-axis movement module 14 arranged on the X-axis movement module 13 and can move along the X-axis, and a cutting head assembly 15 arranged on the Z-axis movement module 14 and moves along the Z-axis and used for cutting metal is arranged above the product cutting table 12 through an adapter plate 17, the Y-axis movement module 10, The driving modules of the X-axis movement module 13 and the 11 are linear motors. The driving mechanism 141 of the Z-axis moving module 14 in this example is a motor or an air cylinder.

The linear motor of this example realizes the transmission through the change of magnetic field, has consequently not had traditional lead screw ball friction, has hardly had the friction loss, and life promotes by a wide margin. Cutting head assembly 15 adopts two motor drive in Y axle direction, avoids the inertia big problem that unilateral drive brought, and cutting accuracy promotes by a wide margin to greatly increased the processing breadth, the range of work is multiplied.

In the X-axis motion module 13 of this embodiment, an aluminum alloy profile with a self-designed mold opening is used as a base, a linear motor is placed on a profile with a straightness within 0.02mm, and both ends of the aluminum alloy profile provided with the X-axis linear motor are fixed to the left and right Y-axes, respectively, to form a gantry structure crossing the two Y-axes. The mold opening section is used as a gantry beam, two parallel guide rails are arranged on a section base along the length direction, a linear motor stator is arranged between the two parallel guide rails, and a rotor of a linear motor is arranged on a sliding block on the two parallel guide rails. The cross beam is integrated, so that the internal stress of the structure is greatly reduced, and higher stability is obtained. The utility model discloses structural rigidity is high, and the synchronism is good. The crossbeam adopts independently to design the die sinking section bar structure, has solved and has spanned poor, the resonance scheduling problem that length leads to greatly. Therefore, the X-axis and Y-axis strokes can be greatly lengthened, so that the processing breadth is multiplied. In conclusion, the PID control rigidity that the motor can be adjusted to is higher, the response is faster, and therefore the machining precision is improved.

A gap of 0.6mm-0.9mm is arranged between the linear motor stator and the linear motor rotor. Thereby having not had friction loss, life promotes by a wide margin. Since the transmission characteristic of the linear motor is to change position by a change in magnetic field, there is no substantial contact and therefore no reverse gap as in the conventional lead screw. The reverse clearance of the linear motor is 0, so that the repeated positioning precision of the linear motor can be improved by one order of magnitude compared with a screw rod structure. Additionally, the utility model discloses operating speed can reach more than 2 times of the screw guide rail structure on the market to it is higher to enable machining efficiency.

As shown in fig. 2 and 3, the cutting head assembly 15 of this example is an optical fiber cutting head, and the upper end of the optical fiber cutting head 15 is provided with a laser optical fiber head mounting port 151 for mounting a laser.

The product cutting table 12 of the embodiment is provided with an anti-skid structure 121, a pressure plate 122 is further arranged above the anti-skid structure, the pressure plate 122 is controlled by an air cylinder, and the air cylinder controls the pressure block 122 to ascend and descend to compress and loosen the product.

In the embodiment, a movable gantry is formed by independently designing a Y-axis linear motor module on the left and a right, an X-axis linear motor is erected on the Y-axis movable gantry for a die-opening section, a Z-axis-carried cutting head assembly adjusts the focal length, and the fiber laser emits light to cut metal through the cutting head.

The above-mentioned embodiments are the preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-mentioned embodiments, and the scope of the present invention includes and is not limited to the above-mentioned embodiments, and all equivalent changes made according to the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a two metal cutting machines that drive which characterized in that: including the workstation, set up the Y axle motion module of two parallels on the workstation, set up the product cutting bed between two Y axle motion modules, Y axle motion module top is equipped with the slider, two drive metal cutting machines still include X axle motion module, the both ends of X axle motion module set up respectively on the slider of the Y axle motion module top of both sides and can follow Y axle motion, still including setting up on X axle motion module, can follow the Z axle motion module of X axle motion, set up at Z axle motion module, along the cutting head subassembly that is used for cutting the metal of Z axle motion, the cutting head subassembly sets up product cutting bed top, the drive module of Y axle motion module and X axle motion module is linear electric motor.

2. The dual drive metal cutting machine of claim 1, wherein: the X-axis movement module is fixed on the section bar base.

3. The dual drive metal cutting machine of claim 2, wherein: the straightness of the section bar base is within 0.02 mm.

4. The dual drive metal cutting machine of claim 3, wherein: the section bar base is provided with two parallel guide rails along the length direction, the linear motor stator is arranged between the two parallel guide rails, and the rotor of the linear motor is arranged on the sliding blocks on the two parallel guide rails.

5. The dual drive metal cutting machine of claim 3, wherein: and a gap of 0.6-0.9 mm is arranged between the linear motor stator and the linear motor rotor.

6. The dual drive metal cutting machine of claim 1, wherein: the workbench is a marble base.

7. The dual drive metal cutting machine of claim 1, wherein: the cutting head assembly is an optical fiber cutting head, and a laser optical fiber head mounting opening for mounting a laser is formed in the upper end of the optical fiber cutting head.

8. A dual drive metal cutting machine according to any one of claims 1-7, wherein: the automatic control device is characterized by further comprising a protective cover arranged on the periphery of the top surface of the workbench, a window arranged on the protective cover, a display, an operating button and a controller arranged below the workbench and respectively connected with the display and the operating button.

9. The dual drive metal cutting machine of claim 8, wherein: still including the keyboard that is used for operating the display, be equipped with on the safety cover shell and hold the holding tank of keyboard, the bottom plate inboard of keyboard is articulated with holding tank lateral wall, the keyboard can be opened or fold into accomodate in the holding tank.

10. The dual drive metal cutting machine of claim 8, wherein: the safety cover top surface still is equipped with the pilot lamp, the workstation below is equipped with load stabilizer blade or gyro wheel.