CN218926913U

CN218926913U - Gantry CNC integrated machine

Info

Publication number: CN218926913U
Application number: CN202223476178.2U
Authority: CN
Inventors: 付志胜; 景军锋; 卢桂思; 陈雪峰; 甘小波
Original assignee: Dongguan Zhiyuan Numerical Control Equipment Manufacturing Co ltd
Current assignee: Dongguan Zhiyuan Numerical Control Equipment Manufacturing Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-04-28
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to a gantry CNC integrated machine, which comprises a machine tool base; the gantry frame is arranged on the front side and the rear side of the machine tool base; the three-axis assembly comprises a Z-axis moving module arranged on the machine tool base, an X-axis moving module arranged on the portal frame and a Y-axis moving module arranged on the X-axis moving module; the main shaft assembly is arranged in the Y-axis moving module and is connected with the crank pulling rod assembly; the tool magazine assembly comprises a tool magazine connecting frame connected to the X-axis moving module, a tool magazine disc elastically hinged to the tool magazine connecting frame and a tool magazine turning driving block arranged on the Y-axis moving module; a plurality of cutters are arranged in the cutter magazine disc; the tool magazine turning driving block can drive the tool magazine disc to turn along with the lifting of the Y-axis moving module, so that the tool is close to the spindle assembly, and the tool is replaced in the spindle assembly through the crank pulling rod assembly.

Description

Gantry CNC integrated machine

Technical Field

The utility model relates to the technical field of numerical control machining centers, in particular to a gantry CNC integrated machine.

Background

The gantry numerical control machining center can finish multi-working procedures such as building, drilling, dumpling, building and the like, and is suitable for rough and finish machining of large and medium-sized parts in various industries. In order to realize automatic replacement of a cutter, as disclosed in the Chinese patent publication No. CN207735922U, the utility model is named as a small gantry type optical machine structure driven by a linear motor, and comprises a portal frame module, a base arranged below the portal frame module, a workbench arranged on the base, a tool magazine arranged on one side of the base, a slide seat module arranged on the portal frame module, a main shaft box module arranged on the slide seat module and a processing mechanism fixed on the main shaft box module; the processing mechanism is arranged above the workbench; the portal frame module comprises a first support column, a second support column and a cross beam which is connected with the first support column and the second support column and integrally formed; the base is arranged between the first support column and the second support column; the cross beam is provided with an X-axis rolling linear guide rail, the slide seat module is provided with a Z-axis rolling linear guide rail, and the base is provided with a Y-axis rolling linear guide rail for sliding the workbench. Although the tool can be replaced by the structure, the tool magazine is arranged on one side of the base, and when the tool is replaced, the spindle box module needs to be moved into the tool magazine along the X-axis rolling linear guide rail for tool replacement, so that the tool replacement time is long, and the production efficiency is low. Thus, improvements are needed.

Disclosure of Invention

Based on the above, the utility model provides a gantry CNC integrated machine.

In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:

a gantry type CNC integrated machine, comprising

A machine tool base;

the gantry frame is arranged on the front side and the rear side of the machine tool base;

the three-axis assembly comprises a Z-axis moving module arranged on the machine tool base, an X-axis moving module arranged on the portal frame and a Y-axis moving module arranged on the X-axis moving module;

the main shaft assembly is arranged in the Y-axis moving module and is connected with a crank pulling rod assembly, and the crank pulling rod assembly can assemble and disassemble a cutter in the main shaft assembly along with the lifting of the Y-axis moving module;

the tool magazine assembly comprises a tool magazine connecting frame connected to the X-axis moving module, a tool magazine disc elastically hinged to the tool magazine connecting frame, and a tool magazine turning driving block arranged on the Y-axis moving module; a plurality of cutters are arranged in the cutter magazine disc; the tool magazine turning driving block can drive the tool magazine disc to turn along with the lifting of the Y-axis moving module, so that a tool is close to the spindle assembly, and the tool is replaced in the spindle assembly through the crank pulling rod assembly.

Further, the Z-axis moving module, the X-axis moving module and the Y-axis moving module all adopt servo screw rod guide rail pairs.

Further, a workbench is arranged on the Z-axis moving module.

Further, the X-axis moving module is connected with a moving seat in a sliding manner; the Y-axis moving module is arranged on the moving seat.

Further, the tool magazine connecting frame is arranged on the movable seat.

Further, a spring is connected between the movable seat and the tool magazine disc.

Further, a turning guide wheel is coaxially arranged at the joint of the tool magazine disc and the spring.

Further, the tool magazine turning driving block is in sliding connection with the turning guide wheel, and a protruding part and a shrinking part are arranged on the contact surface of the tool magazine turning driving block and the turning guide wheel.

Further, the spindle assembly comprises a spindle connecting frame which is connected to the Y-axis moving module in a sliding mode and a spindle motor which is arranged on the spindle connecting frame.

Further, the crank pulling rod assembly comprises a rod body hinged on the main shaft connecting frame and an inclined plane driving block fixedly arranged beside the Y-axis moving module; the two ends of the rod body are respectively provided with a driving pulley and a clamping block; the driving pulley is arranged corresponding to the inclined plane driving block; the clamping blocks are arranged corresponding to the spindle motor.

The utility model has the beneficial effects that:

compared with the prior art that the main shaft is only provided with a Y-axis single shaft, the workbench does not need to move in the two-axis direction, does not need to be provided with a two-axis guide rail below the workbench, and the movement of the machining position is mainly controlled by the main shaft on the portal frame, so that the spindle assembly has the advantages of wide machining range, reasonable structural layout and good machine tool rigidity.

And the tool magazine assembly is arranged at the side of the spindle assembly and can move along with the spindle assembly, the CNC all-in-one machine can perform tool changing at any time, and the tool changing is not required to be performed after the spindle is reset like the prior art, so that the CNC all-in-one machine has the advantages of high tool changing efficiency and accurate tool changing.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the present utility model;

FIG. 3 is a schematic view of a spindle assembly and tool magazine assembly according to the present utility model;

FIG. 4 is a schematic view of a partial structure of a spindle assembly according to the present utility model;

fig. 5 is a schematic partial structure of the tool magazine assembly according to the present utility model.

100. A machine tool base;

200. a portal frame;

300. a triaxial assembly; 310. a Z-axis moving module; 320. an X-axis moving module; 330. a Y-axis moving module; 340. a work table; 350. a movable seat;

400. a spindle assembly; 410. a crank-stem assembly; 411. a rod body; 412. an inclined surface driving block; 413. a drive pulley; 414. a clamping block; 420. a main shaft connecting frame; 430. a spindle motor; 440. a cutter-loading collet chuck; 441. a clamping jaw structure;

500. a tool magazine assembly; 510. a tool magazine connecting frame; 520. a tool magazine tray; 530. the tool magazine turning driving block; 531. a protruding portion; 532. a constriction; 540. a cutter; 550. a spring; 560. turning over and closing the guide wheels; 570. a cutter elastic chuck.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

As shown in figures 1-5 of the drawings,

the gantry CNC integrated machine comprises a machine tool base 100, a portal frame 200, a triaxial assembly 300, a main shaft assembly 400 and a tool magazine assembly 500;

the portal frame 200 is disposed at the rear side of the machine tool base 100;

the three-axis assembly 300 comprises a Z-axis moving module 310 arranged on the machine tool base 100, an X-axis moving module 320 arranged on the portal frame 200, and a Y-axis moving module 330 arranged on the X-axis moving module 320; in this embodiment, the Z-axis moving module 310, the X-axis moving module 320, and the Y-axis moving module 330 all employ servo screw guide pairs;

the Z-axis moving module 310 is provided with a workbench 340 for loading a product to be processed; the workbench 340 can move along with the Z-axis moving module 310 in the Z-axis direction, so as to adjust different processing positions;

the X-axis moving module 320 is slidably connected with a moving seat 350; the Y-axis moving module 330 is disposed on the moving base 350;

the spindle assembly 400 is disposed in the Y-axis moving module 330, and is connected to a crank-pulling rod assembly 410, and the crank-pulling rod assembly 410 can mount and dismount the tool 540 in the spindle assembly 400 along with the lifting of the Y-axis moving module 330;

in this embodiment, the spindle assembly 400 includes a spindle connector 420 slidably connected to the Y-axis moving module 330, and a spindle motor 430 disposed on the spindle connector 420, where an output end of the spindle motor 430 is connected to a tool holding collet 440; the spindle connection frame 420 and the spindle motor 430 can move along the X-axis and Y-axis directions along with the X-axis moving module 320 and the Y-axis moving module 330, so as to approach the product to be processed; the axial center of the tool-holding collet 440 is connected with a clamping jaw structure 441 which can be used for fixedly clamping the tool;

the crank-pulling rod assembly 410 comprises a rod body 411 hinged on the main shaft connecting frame 420 and an inclined surface driving block 412 fixedly arranged on the movable seat 350; two ends of the rod body 411 are respectively provided with a driving pulley 413 and a clamping block 414; the driving pulley 413 is disposed corresponding to the inclined plane driving block 412; the clamping block 414 is disposed corresponding to the output end of the spindle motor 430; in default, the clamping block 414 is located at the outer periphery of the tool holding collet 440 and is not in contact with the tool holding collet 440, when the crank-pulling rod assembly 410 moves upwards along with the spindle connecting frame 420, the driving pulley 413 is in contact with the inclined driving block 412, so that the crank-pulling rod assembly 410 rotates along the hinge point, the clamping block 414 moves away from the output end of the spindle motor 430, the clamping block 414 presses the clamping jaw structure 441 in the tool holding collet 440 downwards, and the tool holding collet 440 releases the tool; conversely, the clamping block 414 moves in a direction approaching the output end of the spindle motor 430, and the tool holding collet 440 clamps the tool;

the tool magazine assembly 500 includes a tool magazine connecting frame 510 connected to the movable base 350, a tool magazine tray 520 elastically hinged to the tool magazine connecting frame 510, and a tool magazine turning driving block 530 disposed on the spindle connecting frame 420; a plurality of cutters 540 are arranged in the cutter magazine tray 520; the tool magazine turning driving block 530 can drive the tool magazine tray 520 to turn along with the lifting of the Y-axis moving module 330, so that the tool 540 is close to or far from the spindle assembly 400, and the tool 540 is replaced in the spindle assembly 400 through the crank pulling rod assembly 410;

in this embodiment, a spring 550 is connected between the movable seat 350 and the magazine tray 520, so as to realize elastic hinging of the magazine tray 540 on the magazine attachment 510; the junction of the tool magazine tray 520 and the spring 550 is coaxially provided with a turning guide wheel 560; the tool magazine turning driving block 530 is slidably connected with the turning guide wheel 560, and a protruding portion 531 and a shrinking portion 532 are arranged on the contact surface of the tool magazine turning driving block 530 and the turning guide wheel 560; by default, tab 531 contacts flip guide wheel 560 and magazine tray 520 is remote from spindle assembly 400. When a tool is required to be changed, the tool magazine turning driving block 530 moves upwards along with the spindle connecting frame 420 towards the Y-axis until the shrinkage portion 532 contacts with the turning guide wheel 560, at this time, the spring 550 pulls the tool magazine tray 520 to the spindle motor 430 and the lower end of the tool holding collet 440, and during the pulling process, the tool elastic chucks 570 in the tool magazine tray 520 are clamped into the loaded tools at the lower end of the tool holding collet 440. The spindle attachment 420 then continues to move upward toward the Y-axis, continuing to operate the middle toggle assembly 410 as described above, and the toggle assembly 410 releases the original tool from engagement in the tool-holding collet 440. Then, the motor in the tool magazine tray 520 rotates the tool magazine tray, and after the tool magazine tray 520 rotates to the designated tool 540, the spindle connecting frame 420 moves downwards towards the Y axis, and the crank pulling rod assembly 410 controls the tool holding collet 440 to engage the new tool 540 in the tool magazine tray 520; finally, after the spindle connecting frame 420 continues to move downwards to the initial position, the protruding part 531 of the tool magazine turning driving block 530 continues to contact with the turning guide wheel 560, so that the tool magazine disc 520 is far away from the spindle assembly 400, and the tool changing process is completed. Compared with the prior art that the spindle box module needs to move to the tool magazine along the X-axis rolling linear guide rail for tool changing, the CNC integrated machine can change the tool at any time, does not need to change the tool after the spindle box resets, and has the advantages of high tool changing efficiency and accurate tool changing.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. Gantry CNC all-in-one, its characterized in that includes:

a machine tool base;

2. The gantry CNC machine of claim 1, wherein the Z-axis movement module, the X-axis movement module, and the Y-axis movement module each employ a servo screw guide pair.

3. The gantry CNC machine of claim 1, wherein the Z-axis moving module is provided with a table.

4. The gantry CNC machine of claim 1, wherein the X-axis moving module is slidably connected to a moving base; the Y-axis moving module is arranged on the moving seat.

5. The CNC gantry of claim 4, wherein the magazine attachment is disposed on the movable base.

6. The gantry CNC machine of claim 4, wherein a spring is connected between the movable base and the magazine tray.

7. The gantry CNC machine of claim 6, wherein the tool magazine tray is coaxially provided with a turning guide wheel at the connection with the spring.

8. The gantry CNC machine of claim 7, wherein the magazine turning driving block is slidably connected to the turning guide wheel, and a contact surface between the magazine turning driving block and the turning guide wheel is provided with a protrusion and a contraction.

9. The gantry CNC machine of claim 1, wherein the spindle assembly includes a spindle connection frame slidably coupled to the Y-axis movement module and a spindle motor disposed on the spindle connection frame.

10. The gantry CNC machine of claim 9, wherein the crank-stem assembly includes a stem body hinged to the spindle connection frame, and a bevel driving block fixedly disposed beside the Y-axis movement module; the two ends of the rod body are respectively provided with a driving pulley and a clamping block; the driving pulley is arranged corresponding to the inclined plane driving block; the clamping blocks are arranged corresponding to the spindle motor.