CN207771276U - Compound Machining numerical control engraving and milling machine tool - Google Patents

Abstract

The utility model discloses a kind of Compound Machining numerical control engraving and milling machine tools, including machine body, the clamping device for clamping workpiece is provided on the workbench of the machine body, main shaft is at least three-dimensional adjustable relative to the position of workbench, cutter module, laser module or/and supplementary module are provided on the machine body, main shaft calls the cutter module, laser module or/and supplementary module to carve milling, laser engraving into row metal respectively or/and blow processing clearly, it realizes clamped one time workpiece, is completed at the same time common process and retrofit.The utility model can realize that clamped one time is completed at the same time general pattern and/or word and fine pattern and/or the technique effect of text manuscript, while ensure that machining accuracy and quality, reduce production process, improve production efficiency.

Description

Composite machining CNC engraving and milling machine tool

technical field

The utility model relates to a composite processing numerical control engraving and milling machine tool.

Background technique

With the development of the economy and society, more personalized, high-definition patterns and/or texts are applied to products such as tire molds; the size of these high-definition patterns and/or texts requires a fine level of 0.05mm, and traditional CNC processing equipment It is impossible to complete the processing of high-definition patterns and/or characters required by the above-mentioned fine level.

But at the same time, these high-definition patterns and/or characters are generally only a part of the patterns and/or characters that need to be processed on the workpiece.

Therefore, the methods of processing such workpieces (that is, those that require general processing levels and simultaneously require fine processing levels) include the following three methods:

One is to use laser engraving machine tools to process all patterns and/or characters on the workpiece, but when processing ordinary patterns and/or characters, laser engraving machine tools lack advantages in efficiency and cost;

The second is to simply use ordinary CNC machine tools to process ordinary patterns and/or characters on the workpiece, but the fine areas cannot be operated and the task cannot be completed;

The third is to use ordinary CNC machine tools to process ordinary patterns and/or characters on the workpiece, and use laser engraving machine tools to process high-definition patterns and/or characters on the workpiece, but this method requires the purchase of at least two kinds of machine tools, which is expensive and expensive. The production cost waste caused by the reordering, repeated clamping, and repeated alignment of the workpiece during the processing process should not be underestimated.

Utility model content

In order to solve the above problems, the utility model proposes a CNC engraving and milling machine tool for composite processing. The utility model can realize common patterns and/or characters and high-definition patterns and / Or the technical effect of text processing, while ensuring the processing accuracy and quality, reducing the production process and improving production efficiency.

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

A CNC engraving and milling machine tool for composite processing, comprising a machine body, a clamping mechanism for clamping workpieces is arranged on the workbench of the machine tool body, the position of the spindle relative to the workbench is at least three-dimensionally adjustable, and the machine tool body is provided with There are tool modules, laser modules or/and auxiliary modules, and the spindle calls the tool modules, laser modules or/and auxiliary modules to perform metal engraving and milling, laser engraving or/and cleaning and blowing processing respectively, so as to realize one-time clamping of the workpiece and at the same time complete the normal Machining and finishing.

Further, the machine tool body is any one of three-dimensional processing machine tool, four-axis processing machine tool, five-axis processing machine tool or six-axis processing machine tool.

Further, the auxiliary module includes a tool handle and a nozzle. An air jet channel is provided inside the tool handle and communicates with the nozzle. The air jet channel communicates with the air jet channel of the main shaft, and the air pipeline is connected to the rotary joint of the main shaft.

Further, the auxiliary module includes a knife handle and a cleaning head, and the cleaning head is arranged on the knife handle.

Further, the tool module includes a processing tool, a tool setting instrument, and a tool detection device. The tool setting instrument realizes automatic tool change and automatic tool setting of the processing tool, and performs tool compensation. The tool detection device detects the processing tool to determine whether a Knife breakage and tool wear.

Further, the laser module includes a laser, a vibrating mirror system and a cooling circuit, the vibrating mirror system focuses the laser light emitted by the laser, and the laser is connected to the cooling circuit.

Furthermore, the laser adopts an air-cooled structure.

Preferably, the laser is a pulsed fiber laser with a wavelength of 1064nm, an average power of 100-400W, a pulse repetition frequency of 5-200kHz, a single pulse energy of 1-100mJ, an output beam quality (M2)<1.8, and a spot diameter of 6-8mm.

Of course, those skilled in the art can replace the laser with other types of products on the basis of this utility model, and its specific parameter indicators can also be adjusted according to the OEM workpiece and laser products. These are all simple replacements and should belong to this Protection scope of utility model.

Further, the galvanometer system is an X-Y dual-axis galvanometer system, the X-Y dual-axis galvanometer system is set on the tool handle of the main shaft, and the connecting part of the optical fiber and the control circuit and the galvanometer system is connected to the galvanometer system by hosting , the interface is rigidly connected, perpendicular to the B-axis, and it is easy to follow the B-axis for small-angle swing.

Preferably, the X-Y dual-axis galvanometer system can reflect a maximum spot diameter of 7-30mm, a maximum marking speed of 0.7-3.5m/s, and a maximum positioning speed of 9.0-12.0m/s. The dual-axis galvanometer system is equipped with a flat field Focusing lens, the focal length is preferably f=100-300mm, and the scanning area is 75*75-200*200mm; using the above-mentioned laser and X-Y dual-axis galvanometer system, the focus diameter after focusing is 27-36um, which meets the needs of fine processing.

Certainly, those skilled in the art can adjust its specific parameter indicators according to the OEM workpiece and laser products on the basis of the utility model. These are all simple replacements and should belong to the protection scope of the utility model.

Further, the vibrating mirror system is arranged on a positioning clamping mechanism, and the positioning clamping mechanism is fixedly installed on a positioning bracket.

Further, the positioning and clamping mechanism is a pneumatic clamping mechanism, and a solenoid valve is used to control the gas to perform clamping and releasing actions. The positioning and clamping mechanism is preferably a fully enclosed structure to protect the optical components.

Further, the machine tool is provided with a laser shield, and the vibrating mirror system is arranged in the laser shield. When the vibrating mirror system needs to be called, the laser shield is opened by the shield driving mechanism, and the vibrating mirror system is called.

Further, a tool magazine is provided on the workbench, and a plurality of storage areas are provided in the tool magazine to place various tool modules or/and auxiliary modules.

Further, the machine tool is provided with an industrial computer, a working shield, a dustproof shield, an electrical cabinet or/and an oil mist and dust removal device.

The tire mold component surface processing system includes the above-mentioned composite processing CNC engraving and milling machine.

Compared with the prior art, the beneficial effects of the utility model are:

1. The utility model has cutting processing and laser processing capabilities at the same time, and has a wide range of applications, especially for composite engraving and milling processing of tire mold side plates.

2. The utility model can realize one-time clamping of the workpiece, and by replacing the module on the processing spindle, the technical effect of processing ordinary patterns and/or characters and high-definition patterns and/or characters can be completed; the processing accuracy and quality are guaranteed, and the reduction of The production process has been simplified, and the production efficiency has been improved by more than 10%.

3. The tool magazine of the utility model is equipped with auxiliary equipment, which can automatically position and blow and clean the workpiece, which reduces the degree of manual participation in the processing of the workpiece and further improves the automation of the production process.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide further understanding of the present application, and the schematic embodiments and descriptions of the present application are used to explain the present application, and do not constitute improper limitations to the present application.

Fig. 1 is the example drawing of processing machine tool;

Fig. 2 is a side view of an example of a processing machine tool;

Fig. 3 is the top view of processing machine tool example;

Fig. 4 is a side view after the laser module protective cover door is opened;

Fig. 5 is a schematic diagram of the first mode of the spindle (tool processing mode);

Fig. 6 is a schematic diagram of the second mode (laser processing mode) of the spindle;

Figure 7(a) and Figure 7(b) are schematic diagrams of the third mode (auxiliary processing mode) of the spindle;

Figure 8(a) and Figure 8(b) are schematic diagrams of the structure of the laser module tool holder;

Figure 9(a) and Figure 9(b) are schematic diagrams of some areas of specific application effects.

Among them: 1. Tool magazine, 2. Laser module, 3. Gate stand, 4. Optical fiber and control circuit, 5. Tool handle, 6. Galvanometer system, 7. Positioning bracket, 8. Shield, 9. Spindle , 10. Tool, 11. Hosting, 12. Nozzle, 13. Cleaning head, 14. Pneumatic clamping mechanism, 15. Fine area, 16. General area, 17. Worktable, 18. X-axis cross arm, 19, Z Axis vertical arm, A, partial enlargement.

Detailed ways:

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. 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 application belongs.

It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom" etc. indicate The orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only a relative term determined for the convenience of describing the structural relationship between the various components or elements of the present utility model, and does not specifically refer to any component or element in the present utility model, and cannot It should be understood as a limitation of the present utility model.

In the present utility model, terms such as "fixed", "connected" and "connected" should be understood in a broad sense, which means that they can be fixedly connected, integrally connected or detachably connected; they can be directly connected or connected through Intermediaries are indirectly connected. For relevant researchers or technicians in the field, the specific meanings of the above terms in the present utility model can be determined according to specific situations, and should not be construed as limitations on the present utility model.

As introduced in the background technology, in the prior art, ordinary mechanical processing equipment cannot perform high-precision operations, and high-precision processing machine tools are configured separately for ordinary requirements. The processing efficiency is low and the input cost is high. In order to solve the above technical problems , the present application proposes a CNC engraving and milling machine tool for compound machining.

As shown in Figures 1-3, the composite machining CNC engraving and milling machine tool includes a bed, on which a rotating shaft (C-axis) is installed, and the rotating shaft is connected to a worktable 17 rotating drive device, and a workbench 17 is installed on the rotating shaft; A door-shaped stand is installed on the body, and the X-axis cross arm 18 is installed on the door-shaped stand. The Z-axis vertical arm 19 is slidably connected to the X-axis cross arm 18 through the vertical arm mounting seat, and the vertical arm mounting seat is connected with a transverse drive device. , the Z-axis vertical arm 19 is connected with a longitudinal drive device, the bottom end of the Z-axis vertical arm 19 is equipped with a swing shaft (B-axis), the swing shaft is connected with a swing drive device, and a tool 10, a main shaft 9, and a workbench 17 are installed on the swing shaft. Located below the main shaft 9.

Of course, in this embodiment, a four-axis processing machine tool is taken as an example. Since the utility model does not require a substantial structural modification of the processing machine tool body, in other embodiments, the machine tool can be replaced by a three-dimensional processing machine tool. Any of machine tools, five-axis processing machines, or six-axis processing machines.

As shown in Fig. 1 and Fig. 3, a knife magazine 1 is arranged on one side of the rotary table 17; the knife magazine 1 is preferably an umbrella knife magazine 1, and a plurality of knife positions are arranged in the knife magazine 1 to place a plurality of engraving tools 10; Further, auxiliary equipment is also provided in the tool magazine 1, and the auxiliary equipment includes a nozzle 12, and the nozzle 12 is integrated (connected) on the standard knife handle 5, and the standard knife handle 5 is provided with an air jet channel, and the air jet channel is connected with the nozzle, The air jet channel of the machine tool spindle 9 is connected, and the air pipeline is connected to the rotary joint of the machine tool spindle 9; the auxiliary equipment also includes a cleaning head 13, which is also integrated (connected) on the standard tool handle 5, and the machine tool spindle 9 can call auxiliary equipment at any time Position and clean the workpiece.

Certainly, as another embodiment, the nozzle 12 and the standard knife handle 5 may also be a split-type, movably connected structure. For example, through screw connection or positioning mechanism clamping connection and so on.

The tool magazine 1 is equipped with a tool magazine 1 management system and a high-precision tool setting instrument. The repeated positioning accuracy of the tool setting is 0.001mm, which realizes automatic tool change and automatic tool setting, and can perform tool 10 compensation. Pause to detect the tool 10 or change the tool. After the processing is completed, the system automatically detects the tool 10 to determine whether the tool is broken or the tool 10 is worn. The detection information is automatically fed back and automatically judges whether the tool 10 is worn. .

The machine tool is equipped with a laser module 2; the laser module 2 can be arranged on the opposite side of the tool magazine 1, and the laser module 2 includes a laser, a galvanometer system 6 and its drive board, an optical fiber and a control circuit 4, and a cooling circuit.

The laser is preferably a pulsed fiber laser with a wavelength of 1064nm, an average power of 100-400W, a pulse repetition frequency of 5-200kHz, a single pulse energy of 1-100mJ, an output beam quality (M2)<1.8, and a spot diameter of 6-8mm; The cold structure further optimizes the cooling system and increases the degree of integration.

Certainly, those skilled in the art can adjust its specific parameter indicators according to the OEM workpiece and laser products on the basis of the utility model. These are all simple replacements and should belong to the protection scope of the utility model.

The galvanometer system 6 is preferably an X-Y two-axis galvanometer system 6, and the X-Y two-axis galvanometer system 6 is integrated (connected) on the standard knife handle 5, and the connecting part of the optical fiber and the control circuit 4 and the galvanometer system 6 is integrated by hosting ( connection) on the galvanometer system 6, the interface is rigidly connected, perpendicular to the B-axis, which is convenient for small-angle swings along the B-axis; preferably, the X-Y dual-axis galvanometer system 6 can reflect a maximum spot diameter of 7-30mm, and a maximum marking speed 0.7-3.5m/s, maximum positioning speed 9.0-12.0m/s, the biaxial galvanometer system 6 is provided with a flat-field focusing lens, the focal length is preferably f=100-300mm, and the scanning area is 75*75-200* 200mm; using the above-mentioned laser and the X-Y dual-axis galvanometer system 6, the focus diameter after focusing is 27-36um, which meets the processing requirements of fine areas (as shown in Figure 9(a)).

Certainly, as another implementation manner, the vibrating mirror system 6 may be of other structures, such as a three-axis vibrating mirror system, etc., which are adapted to the type of the machine tool.

Similarly, as yet another embodiment, the galvanometer system 6 and the standard tool handle 5 may also be a split-type, movably connected structure. For example, through screw connection or positioning mechanism clamping connection and so on.

Certainly, those skilled in the art can adjust its specific parameter indicators according to the OEM workpiece and laser products on the basis of the utility model. These are all simple replacements and should belong to the protection scope of the utility model.

As shown in Figure 8(a) and Figure 8(b), the integrated X-Y dual-axis vibrating mirror system 6 is arranged on the positioning clamping mechanism, which is fixedly mounted on the positioning bracket; the positioning clamping mechanism is preferably It is a pneumatic clamping mechanism 14, which uses a solenoid valve to control on-off air to perform clamping and loosening actions. The positioning clamping mechanism is preferably a fully enclosed structure, which can protect optical components.

Certainly, this embodiment is only a preferred manner, and in other implementation manners, the clamping mechanism may be replaced with other structures or/and control structures. I won't repeat them here.

The machine tool is provided with a laser shield 8, and when the vibrating mirror system 6 needs to be called, the laser shield 8 is opened by the shield driving mechanism (the driving mechanism is preferably a cylinder), and the vibrating mirror system 6 is called;

In other embodiments, as a preferred solution, the machine tool can also be equipped with several equipment in industrial computer, work shield, dust shield, electrical cabinet or oil mist dust removal device, etc., to ensure the automatic or more optimized operation of the machine tool. run.

The above-mentioned compound machining CNC engraving and milling machine tool has at least three functional modes:

Mode 1: As shown in Figure 5, the tool 10 is in the processing mode, and the tool 10 is called from the tool library 1 to perform metal engraving and milling;

Mode 2: As shown in Figure 6, the laser processing mode calls the galvanometer system 6 from the positioning bracket 7 of the laser module 2 to perform laser engraving processing.

Mode 3: As shown in Figure 7(a) or Figure 7(b), the auxiliary processing mode also integrates two sets of auxiliary equipment in the tool magazine 1, including the nozzle 12 and the cleaning head 13, for positioning and cleaning the workpiece. Blow and clean.

The machine tool can enable the above three functional modes at any time or perform automatic switching among the three functional modes.

As application examples, three examples are used for specific description below.

In the first application embodiment, the specific operation method for processing the workpiece (as shown in FIG. 9 , the workpiece is provided with ordinary patterns and characters, and the high-definition area 15 (comprising patterns and characters)) is processed by the machine tool is as follows:

(1) Carry out common cutting processing at first, transfer the cutting tool 10 in the tool magazine 1, carry out engraving and milling processing to general areas 16 such as lines, Chinese characters, English letters, etc., use cutting fluid at the same time;

(2) After the ordinary cutting is completed, call the auxiliary equipment in the tool magazine 1 to clean and blow off the residual cutting fluid on the workpiece.

(3) Call the auxiliary equipment in the tool magazine 1 to automatically clean the area 15 requiring fine engraving.

(4) The shield driving mechanism drives the laser shield to open, and the machine tool spindle 9 invokes the galvanometer system 6 .

(5) The main shaft 9 moves to the area to be processed. After the mechanical axis positioning is completed, the X/Z/C/B four-axis linkage performs laser engraving layered processing, and the mechanical axis positioning and laser processing are intersected.

(6) After the laser engraving is completed, put the laser module 2 back on the positioning and clamping mechanism.

Apply the compound machining CNC engraving and milling machine tool disclosed by the utility model to carry out nested processing on the pattern and/or characters on the workpiece. The tool 10 efficiently removes a large area of material, processes it to the required depth, and then calls the laser module 2 to further process the processed pattern surface to achieve the effect of nesting.

The structural difference between the second application embodiment and the first application embodiment is that the laser module 2 is arranged behind the machine tool spindle 9 or other positions, and the positioning and clamping mechanism is connected with a driving mechanism. When the protective cover door is opened, through The driving mechanism pushes the galvanometer system 6 out of the laser shield.

The difference between the third application embodiment and the first application embodiment is that the nozzle 12 and its pipeline can be fixed on the machine tool spindle 9 or the shaft arm 19, and the nozzle can be activated at any time under the control of the control system. 12 Position and blow the workpiece gently.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, there may be various modifications and changes in the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the protection scope of this application.

Although the specific implementation of the utility model has been described above in conjunction with the accompanying drawings, it does not limit the protection scope of the utility model. Those skilled in the art should understand that on the basis of the technical solution of the utility model, those skilled in the art do not need to Various modifications or deformations that can be made with creative efforts are still within the protection scope of the present utility model.

Claims (10)

1. A compound machining numerical control engraving and milling machine tool, comprising a machine tool body, the workbench of the machine tool body is provided with a clamping mechanism for clamping workpieces, the position of the main shaft relative to the workbench is at least three-dimensionally adjustable, and it is characterized in that: The machine tool body is provided with a tool module, a laser module or/and an auxiliary module, and the spindle calls the tool module, laser module or/and auxiliary module to perform metal engraving and milling, laser engraving or/and cleaning and blowing processing respectively, realizing one-time installation Clamp the workpiece and complete general processing and fine processing at the same time. 2. A kind of combined machining CNC engraving and milling machine tool as claimed in claim 1, characterized in that: said auxiliary module includes a knife handle and a nozzle, said knife handle is provided with an air jet channel, which communicates with the nozzle, and said air jet channel It communicates with the jet channel of the main shaft, and the air pipeline is connected with the main shaft rotary joint. 3. A CNC engraving and milling machine tool for combined processing according to claim 1, wherein the auxiliary module includes a tool handle and a cleaning head, and the cleaning head is arranged on the tool handle. 4. A kind of combined processing numerical control engraving and milling machine tool as claimed in claim 1, it is characterized in that: described laser module comprises laser device, vibrating mirror system and cooling circuit, and described vibrating mirror system focuses the laser light emitted by laser device, so The laser is connected to the cooling circuit. 5. A numerically controlled engraving and milling machine tool for combined processing as claimed in claim 4, wherein said laser adopts an air-cooled structure. 6. A kind of combined processing numerical control engraving and milling machine tool as claimed in claim 4, it is characterized in that: described vibrating mirror system is X-Y biaxial vibrating mirror system, and X-Y biaxial vibrating mirror system is arranged on the tool handle of main shaft, The optical fiber and the control line are connected to the galvanometer system by hosting, and the interface is rigidly connected, perpendicular to the B-axis, and easy to follow the B-axis for swinging. 7. A numerically controlled engraving and milling machine tool for composite processing as claimed in claim 4, characterized in that: the vibrating mirror system is set on a positioning and clamping mechanism, and the positioning and clamping mechanism is fixedly mounted on a positioning bracket. 8. A compound machining CNC engraving and milling machine tool according to claim 7, characterized in that: the positioning and clamping mechanism is a pneumatic clamping mechanism, and a solenoid valve is used to control the gas to perform clamping and releasing actions. 9. A kind of composite machining CNC engraving and milling machine tool as claimed in claim 1, characterized in that: said machine tool is provided with a laser shield, the vibrating mirror system is arranged in the laser shield, when the vibrating mirror system needs to be called, the laser The shield is opened by the shield driving mechanism, and the vibrating mirror system is called. 10. A CNC engraving and milling machine tool for composite processing as claimed in claim 1, characterized in that: said workbench is provided with a tool magazine, and a plurality of storage areas are arranged in the tool magazine to place each tool module or/and Auxiliary module.