CN206717543U - Double axis compound CNC machine tool - Google Patents

Abstract

The utility model belongs to the technical field of the machine tool, especially, relate to a compound numerically-controlled machine tool of biax, the on-line screen storage device comprises a base, the lathe bed, workstation and inline tool magazine, lathe bed fixed mounting is in the base, the workstation sets up on the lathe bed, the longmen is erect to the tip of lathe bed, inline tool magazine sets up the lower extreme at the longmen crossbeam, be provided with X axle drive mechanism on the crossbeam, X axle drive mechanism is equipped with two Z axle drive mechanisms, each Z axle drive mechanism all is provided with main shaft mechanism, main shaft mechanism makes X to and Z to compound motion under X axle drive mechanism and Z axle drive mechanism's common drive, be provided with Y axle drive mechanism on the platform face of lathe bed, Y axle drive mechanism drives the workstation and makes Y to remove. Compared with the prior art, the utility model discloses a set up two processing main shafts and be equipped with the inline tool magazine for overall structure is compact, and space utilization is high, and can go up unloading in both sides around simultaneously, has effectively improved tool changing speed and machining efficiency.

Description

Double axis compound CNC machine tool

technical field

The utility model belongs to the technical field of processing machine tools, in particular to a biaxial composite numerical control machine tool.

Background technique

At present, the world economy and technology are developing rapidly. With the development of social productivity, the products on the market are becoming more and more abundant, consumers have more and more choices, and the requirements for products are getting higher and higher. Improving machine processing efficiency can only develop in three directions: higher automation, precision, and speed. The CNC machine tools of the prior art generally include a base, an X-axis motion mechanism, a Y-axis motion mechanism, a Z-axis motion mechanism, a column, a beam, a workbench, an electric spindle and an electric control device. The existing CNC machine tools are mainly composed of a spindle and a cutting tool. , due to the gradual increase in the functions of CNC machine tools, each small function has a matching tool and spare parts, so each CNC machine tool has more and more tools and spare parts. However, the CNC machine tools on the market now There are following deficiencies:

1) Existing CNC machine tools generally only have one spindle, so they can only process a single part during use, the work efficiency is low during processing, and a lot of resources are wasted when processing repetitive workpieces. In addition, when the same product needs to be processed with multiple knives, the existing relatively advanced CNC machine tools adopt the common automatic tool change, that is, a turntable is attached to a single spindle, and several cutter heads are placed in the turntable, which is very costly. Also only one spindle can be used for machining.

2) Most of the existing CNC machine tools use swash plate or disc tool magazines, but the existing CNC machine tools generally use the gantry beam structure, the installation process of the swash plate and disc tool magazines is complicated, and the installation position is located at The side or the main shaft is square, which makes the tool change complicated, the overall structure size becomes larger, and the center of gravity shifts make the fuselage unstable and affects the accuracy, and the manufacturing cost is relatively high for production. In addition, the existing CNC machine tools that use arrayed tool magazines generally fix the arrayed tool magazines on the machine tool workbench, which reduces the effective use area of the workbench. The main shaft is completed, the tool takes a long time, and the production efficiency is low.

3) When loading and unloading the existing CNC machine tools, generally only one side can be used for loading and unloading, that is, the manipulator can only move from the front or the rear, resulting in greatly reduced processing efficiency.

Utility model content

The purpose of the utility model is to provide a dual-axis compound numerical control machine tool with simple structure, good stability, fast tool changing speed, high machining precision and high work efficiency in view of the deficiencies of the prior art.

In order to achieve the above object, the utility model adopts the following technical solutions:

A two-axis compound numerical control machine tool, including a base, a bed, a workbench and an in-line tool magazine, the bed is fixedly installed on the base, the workbench is arranged on the bed, and the bed A gantry is installed at the end, and the in-line tool magazine is arranged at the lower end of the beam of the gantry. The beam is provided with an X-axis transmission mechanism, and the X-axis transmission mechanism is provided with two Z-axis transmission mechanisms, each of which is The Z-axis transmission mechanisms are all equipped with a spindle mechanism, and the spindle mechanism performs compound motions in the X-direction and Z-direction under the joint drive of the X-axis transmission mechanism and the Z-axis transmission mechanism. The platform surface of the bed is provided with a Y-axis A transmission mechanism, the Y-axis transmission mechanism drives the worktable to move in the Y direction.

As an improvement of the dual-axis compound numerical control machine tool of the present invention, the in-line tool magazine includes a tool magazine bottom plate and a tool holder arranged at the front end of the tool magazine bottom plate, and a linear guide rail is arranged on the tool magazine bottom plate. The frame is slidably arranged on the linear guide rail, and also includes a driving cylinder installed on the bottom plate of the tool magazine for driving the tool frame to reciprocate along the length direction of the linear guide rail. The in-line frame body is transmission-connected with the output end of the drive cylinder, and a plurality of tool holders are sequentially installed on the in-line frame body along its length direction.

As an improvement of the dual-axis compound numerical control machine tool of the present invention, the X-axis transmission mechanism includes an X-axis slider, an X-axis sliding plate, an X-axis guide rail, an X-axis ball screw and an X-axis servo motor, and the X-axis The slider is fixedly mounted on the X-axis slide plate, the X-axis slider is slidingly matched with the X-axis guide rail, the X-axis ball screw is connected to the X-axis servo motor, and the X-axis servo motor drives The X-axis ball screw drives the X-axis slide plate to move along the X-axis guide rail in the X direction, and the Z-axis transmission mechanism is fixedly installed on the X-axis slide plate.

As an improvement of the dual-axis compound numerical control machine tool of the present invention, the Z-axis transmission mechanism includes a Z-axis slider, a Z-axis guide rail, a Z-axis ball screw and a Z-axis servo motor, and the Z-axis guide rail is longitudinally arranged on the X On the shaft slide plate, the Z-axis slider is slidingly matched with the Z-axis guide rail, the Z-axis slider is fixedly assembled on the main shaft mechanism, and the Z-axis servo motor is connected to the Z-axis ball screw. At the top, the Z-axis servo motor drives the Z-axis ball screw to drive the spindle mechanism to move along the Z-axis guide rail in the Z direction.

As an improvement of the dual-axis compound numerical control machine tool of the present invention, the spindle mechanism includes a Z-axis slide plate, a spindle base and a spindle, the spindle is installed on the lower end of the Z-axis slide plate through the spindle base, and the Z-axis The shaft slide block is fixedly installed on the back of the Z-axis slide plate, and the lower end of the main shaft is provided with a CNC machining tool head.

As an improvement of the dual-axis compound numerical control machine tool of the present invention, the Y-axis transmission mechanism includes a Y-axis slider, a Y-axis guide rail, a Y-axis ball screw and a Y-axis servo motor, and the Y-axis slider is fixedly assembled on On the working table, the Y-axis slider is slidingly matched with the Y-axis guide rail, the Y-axis ball screw is connected to the Y-axis servo motor, and the Y-axis servo motor drives the Y-axis ball screw Drive the workbench to move along the Y-axis guide rail in the Y direction.

As an improvement of the dual-axis compound numerical control machine tool of the present invention, the gantry includes a left column and a right column fixedly installed on the end of the bed respectively, and the crossbeam is fixed on the top of the left column and the right column, so that The beam is provided with an X-axis chute for accommodating the X-axis ball screw and the X-axis servo motor.

As an improvement of the dual-axis compound numerical control machine tool of the present invention, a slider connecting plate and a slider cover are arranged between the two Z-axis transmission mechanisms, and the slider cover is fixedly connected to the slider connecting plate.

As an improvement of the dual-axis compound numerical control machine tool of the present invention, several T-shaped grooves are arranged on the surface of the workbench for fixing workpieces to be processed.

As an improvement of the dual-axis compound numerical control machine tool of the utility model, the bottom surface of the base is provided with supporting feet.

The beneficial effects of the utility model are: the utility model is a double-axis compound numerical control machine tool, including a base, a bed, a workbench and an in-line tool magazine, the bed is fixedly installed on the base, the workbench is arranged on the bed, and the bed A gantry is erected at the end of the gantry, and the in-line tool magazine is set at the lower end of the beam of the gantry. The beam is equipped with an X-axis transmission mechanism, and the X-axis transmission mechanism is equipped with two Z-axis transmission mechanisms. Each Z-axis transmission mechanism is equipped with a The main shaft mechanism, the main shaft mechanism is driven by the X-axis transmission mechanism and the Z-axis transmission mechanism to perform compound motions in the X and Z directions. The platform of the bed is equipped with a Y-axis transmission mechanism, which drives the workbench to move Y to move. Compared with the prior art, the utility model has the following advantages:

1) Double machining spindles are added, which can process two workpieces at the same time, and the processing efficiency is high, and each spindle can be fine-tuned in each direction to ensure the accuracy of the products processed by the machine tool; moreover, the multi-spindle design can maximize Minimize the number of tool changes, save energy and improve work efficiency.

2) Equipped with a retractable in-line tool magazine, and the in-line tool magazine is set at the lower end of the gantry beam. When the machine tool is in standby, the tool magazine retracts to the rear of the gantry beam, which occupies less processing space on the machine tool, and the tools on the tool magazine are far from the machining center. The area is far away, and the dust ingress rate is greatly reduced, which ensures rapid tool change, accurate tool change and stable tool change in the tool magazine, effectively improves the processing efficiency and ensures the processing accuracy.

3) The stroke of the Y axis is large, and the worktable can move forward and backward in the gantry, which is convenient for the manipulator to load and unload materials at the front and rear at the same time, effectively improving the efficiency of loading and unloading.

Description of drawings

Fig. 1 is the structural representation of the utility model.

FIG. 2 is an exploded view of the structure of FIG. 1 .

In the figure: 1-base; 11-supporting feet; 12-installation block; 2-bed; 3-table; 4-inline tool magazine; 5-gantry; Transmission mechanism; 61-X-axis slider; 62-X-axis guide rail; 63-X-axis ball screw; 64-X-axis servo motor; 65-X-axis slide plate; 7-Z-axis transmission mechanism; 71-Z-axis slide Block; 72-Z-axis guide rail; 73-Z-axis ball screw; 74-Z-axis servo motor; 75-slide plate connecting plate; 76-slider cover; 8-spindle mechanism; Seat; 83-spindle; 84-NC machining tool head; 9-Y-axis transmission mechanism; 91-Y-axis slider; 92-Y-axis guide rail; 93-Y-axis ball screw; 94-Y-axis servo motor.

detailed description

The utility model will be further described in detail below in conjunction with the specific implementation and the accompanying drawings, but the implementation of the utility model is not limited thereto.

As shown in Figures 1-2, a dual-axis compound CNC machine tool includes a base 1, a bed 2, a workbench 3 and an in-line tool magazine 4, the bed 2 is fixedly installed on the base 1, and the bottom surface of the base 1 is provided with Supporting feet 11, the surface of the base 1 is provided with a mounting block 12, and the bed 2 is fixedly installed on the base 1 through the mounting block 12; To process the T-shaped slot of the workpiece, the end of the bed 2 is provided with a gantry 5, and the in-line tool magazine 4 is arranged at the lower end of the beam of the gantry 5, and the beam is provided with an X-axis transmission mechanism 6, and the X-axis transmission mechanism 6 is provided with two A Z-axis transmission mechanism 7, each Z-axis transmission mechanism 7 is provided with a main shaft mechanism 8, and the main shaft mechanism 8 performs compound movement in the X direction and the Z direction under the joint drive of the X-axis transmission mechanism 6 and the Z-axis transmission mechanism 7, A Y-axis transmission mechanism 9 is arranged on the platform surface of the bed 2, and the Y-axis transmission mechanism 9 drives the workbench 3 to move in the Y direction.

The in-line tool magazine 4 comprises a knife magazine base plate, a tool rest arranged on the front end of the tool magazine base plate, a linear guide rail is arranged on the tool magazine base plate, and the knife rest is slidably arranged on the linear guide rail, and also includes a tool rest installed on the tool magazine base plate for The driving cylinder that drives the tool holder to reciprocate along the length direction of the linear guide rail. The tool holder includes an in-line frame body, which is connected to the output end of the drive cylinder by transmission, and the in-line frame body is sequentially installed along its length direction. There are several knife holders.

The gantry 5 includes a left column and a right column fixedly installed on the ends of the bed 2 respectively.

The X-axis transmission mechanism 6 includes an X-axis slide block 61, an X-axis slide plate 65, an X-axis guide rail 62, an X-axis ball screw 63 and an X-axis servo motor 64, and the X-axis slide block 61 is fixedly assembled on the X-axis slide plate 65 , the X-axis slider 61 is slidingly matched with the X-axis guide rail 62, the X-axis ball screw 63 is connected to the X-axis servo motor 64, and the X-axis servo motor 64 drives the X-axis ball screw 63 to drive the X-axis slide plate 65 along the X-axis The guide rail 62 moves in the X direction, the Z-axis transmission mechanism 7 is fixedly installed on the X-axis slide plate 65, a slide plate connecting plate 75 and a slider cover 76 are arranged between the two Z-axis transmission mechanisms 7, and the two X-axis slide plates 65 pass through The slider connecting plate 75 is connected, and the slider cover 76 is fixedly connected to the slider connecting plate 75 .

The Z-axis transmission mechanism 7 includes a Z-axis slide block 71, a Z-axis guide rail 72, a Z-axis ball screw 73 and a Z-axis servo motor 74. The Z-axis guide rail 72 is vertically arranged on the X-axis slide plate 65, and the Z-axis slide block 71 and The Z-axis guide rail 72 is slidably fitted, the Z-axis slider 71 is fixedly assembled on the main shaft mechanism 8, the Z-axis servo motor 74 is transmission-connected to the top of the Z-axis ball screw 73, and the Z-axis servo motor 74 drives the Z-axis ball screw 73 to drive The spindle mechanism 8 moves in the Z direction along the Z-axis guide rail 72 .

The main shaft mechanism 8 comprises a Z-axis slide plate 81, a main shaft seat 82 and a main shaft 83, the main shaft 83 is installed on the lower end of the Z-axis slide plate 81 through the main shaft seat 82, and the Z-axis slide block 71 is fixedly installed on the back side of the Z-axis slide plate 81. The lower end is provided with a CNC machining cutter head 84 .

The Y-axis transmission mechanism 9 includes a Y-axis slider 91, a Y-axis guide rail 92, a Y-axis ball screw 93, and a Y-axis servo motor 94. The Y-axis slider 91 is fixedly assembled on the workbench 3, and the Y-axis slider 91 and the Y The shaft guide rail 92 is slidingly fitted, the Y-axis ball screw 93 is in transmission connection with the Y-axis servo motor 94, and the Y-axis servo motor 94 drives the Y-axis ball screw 93 to drive the workbench 3 to move along the Y-axis guide rail 92 in the Y direction.

Compared with the prior art, the utility model is equipped with a gantry 5 on the bed 2, and realizes the up, down, left, and right movement of the main shaft mechanism 8 through the X-axis transmission mechanism 6 and the Z-axis transmission mechanism 7 arranged on the gantry 5. The Y-axis transmission mechanism 9 on the platform surface of the bed 2 realizes the forward and backward movement of the workbench 3, thereby ensuring accurate and controllable displacement in all directions; When the machine tool is in standby, the tool magazine retracts to the rear of the gantry 5 beam, which occupies less processing space on the machine tool, and the tools on the tool magazine are far away from the processing area, and the dust entry rate is greatly reduced, ensuring rapid tool change, accurate tool change and stability of the tool magazine Changing the tool effectively improves the processing efficiency; when loading and unloading, the manipulator can be equipped at the front and rear of the machine tool, and the loading and unloading can be performed on both sides at the same time, effectively improving the efficiency of loading and unloading.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present utility model belongs can also change and modify the above embodiment. Therefore, the utility model is not limited to the above specific implementation manners, and any obvious improvement, replacement or modification made by those skilled in the art on the basis of the utility model shall belong to the protection scope of the utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model.

Claims (10)

1. A kind of 1. twin shaft combined numerically controlled machine, it is characterised in that：Including base, lathe bed, workbench and straight-line tool magazine, the bed Body is fixedly installed in the base, and the workbench is arranged on the lathe bed, and the end of the lathe bed, which is set up, gantry, described Straight-line tool magazine is arranged on the lower end of gantry beam, and X-axis transmission mechanism is provided with the crossbeam, and the X-axis transmission mechanism is set There are two Z-axis transmission mechanisms, each Z-axis transmission mechanism is provided with mainshaft mechanism, and the mainshaft mechanism is in X-axis driver Make X under the common drive of structure and Z-axis transmission mechanism to the compound motion with Z-direction, Y-axis biography is provided with the flat surface of the lathe bed Motivation structure, the Y-axis transmission mechanism drive the workbench to make Y-direction movement.
2. 2. twin shaft combined numerically controlled machine according to claim 1, it is characterised in that：The straight-line tool magazine includes tool magazine bottom Plate, the knife rest for being arranged at tool magazine bottom plate front end, line slideway are provided with the tool magazine bottom plate, the knife rest is slidably arranged in institute State on line slideway, in addition to be installed on tool magazine bottom plate and be used to drive length direction of the knife rest along line slideway back and forth to move Dynamic drive cylinder, the knife rest include straight-line support body, and the output end of the straight-line support body and the drive cylinder is driven Connect, several cutter holders are equiped with successively along its length on the straight-line support body.
3. 3. twin shaft combined numerically controlled machine according to claim 2, it is characterised in that：The X-axis transmission mechanism is slided including X-axis Block, X-axis slide carriage, X-axis guide rail, X-axis ball screw and X-axis servomotor, the X-axis slide block are securely fitted on X-axis slide carriage, institute State X-axis slide block to be slidably matched with the X-axis guide rail, the X-axis ball screw is connected with the X-axis servo motor transmission, the X Axle servomotor drives the X-axis ball screw to drive the X-axis slide carriage along X-axis guide rail X to moving, the Z-axis transmission mechanism It is fixedly mounted on X-axis slide carriage.
4. 4. twin shaft combined numerically controlled machine according to claim 3, it is characterised in that：The Z-axis transmission mechanism is slided including Z axis Block, Z axis guide rail, Z axis ball screw and Z axis servomotor, the Z axis guide rail are disposed longitudinally on X-axis slide carriage, and the Z axis is slided Block is slidably matched with the Z axis guide rail, and the Z axis sliding block is securely fitted on mainshaft mechanism, and the Z axis servo motor transmission connects The top of the Z axis ball screw is connected to, the Z axis servomotor drives the Z axis ball screw to drive the mainshaft mechanism Moved along Z axis guide rail Z-direction.
5. 5. twin shaft combined numerically controlled machine according to claim 4, it is characterised in that：The mainshaft mechanism include Z axis slide plate, Spindle drum and main shaft, the main shaft are arranged on the bottom of the Z axis slide plate by the spindle drum, and the Z axis sliding block is fixed Installed in the back side of Z axis slide plate, the bottom of the main shaft is provided with digital control processing cutter head.
6. 6. twin shaft combined numerically controlled machine according to claim 5, it is characterised in that：The Y-axis transmission mechanism is slided including Y-axis Block, Y-axis guide rail, Y-axis ball screw and Y-axis servomotor, the Y-axis sliding block fixing assembling on the table, the Y-axis sliding block It is slidably matched with the Y-axis guide rail, the Y-axis ball screw is connected with the Y-axis servo motor transmission, the Y-axis servo electricity Machine drives the Y-axis ball screw to drive the workbench to be moved along Y-axis guide rail Y-direction.
7. 7. twin shaft combined numerically controlled machine according to claim 1, it is characterised in that：Described gantry includes being fixedly mounted respectively Left column and right column in the lathe bed end, the crossbeam are installed in the top of left column and right column, and the crossbeam is set It is equipped with X-axis chute.
8. 8. twin shaft combined numerically controlled machine according to claim 1, it is characterised in that：Set between two Z-axis transmission mechanisms There are slide carriage connecting plate and sliding block cover, the sliding block cover is fixedly connected on the slide carriage connecting plate.
9. 9. twin shaft combined numerically controlled machine according to claim 1, it is characterised in that：The surface of the workbench is provided with number Road T-slot.
10. 10. twin shaft combined numerically controlled machine according to claim 1, it is characterised in that：The bottom surface of the base is provided with branch Spike.