CN110370065A - Laser assisted machining tool - Google Patents

Abstract

The invention belongs to the technical field of processing machine tools, and in particular relates to a laser-assisted processing machine tool, which includes a planar movement mechanism, a vertical movement mechanism, a processing execution mechanism and a laser generating mechanism. The planar movement mechanism is used to install workpieces and drive the workpieces to move freely in the horizontal plane , the vertical moving mechanism is arranged vertically and is located above the plane moving mechanism. The output end of the vertical moving mechanism is connected with the processing actuator and drives the processing actuator to move vertically. The processing actuator is used to process the workpiece. The laser The generating mechanism is used to emit laser light towards the workpiece to heat and soften the local position of the workpiece to be processed. The laser emitted by the laser generating mechanism is always irradiated towards the position where the workpiece needs to be processed, so that the position of the workpiece is softened by high temperature, increasing the plastic-to-brittle transition depth of hard and brittle materials, and it can be processed when the softened position is processed. Reduce cutting force and wear, improve machining efficiency and material removal rate.

Description

Laser Assisted Machining Machine Tool

technical field

The invention belongs to the technical field of processing machine tools, in particular to a laser-assisted processing machine tool.

Background technique

With the continuous improvement of technical requirements, the precision requirements for machining workpieces are also getting higher and higher. High-end ultra-precision machining machine tools are generally used to process ultra-high-precision workpieces. In the prior art, in order to ensure the machining accuracy, the moving axes (such as the X axis, the Y axis and the Z axis) on the processing machine tool are usually made, wherein the workpiece is installed on the moving plane formed by the X axis and the Y axis, and the tool is installed on the Z axis. The workpiece is processed on the axis.) In the process of mutual movement, it is set as a suspension movement (such as air suspension or magnetic suspension, etc.) to improve the movement accuracy of the workpiece and the tool, thereby greatly improving the machining accuracy of the workpiece. However, the existing processing machine tools are usually only suitable for processing some high-hardness and high-toughness workpiece materials, and cannot achieve high-precision processing for harder and brittle materials.

Contents of the invention

The object of the present invention is to provide a laser-assisted processing machine tool, aiming at solving the technical problem that the processing machine tool in the prior art cannot process hard and brittle workpieces with high precision.

In order to achieve the above object, the technical solution adopted by the present invention is: a laser-assisted processing machine tool, including a plane moving mechanism, a vertical moving mechanism, a processing actuator and a laser generating mechanism, and the plane moving mechanism is used to install the workpiece and drive the workpiece Move arbitrarily in the horizontal plane, the vertical movement mechanism is vertically arranged and located above the plane movement mechanism, the output end of the vertical movement mechanism is connected with the processing actuator and drives the processing actuator Moving vertically, the processing actuator is used to process the workpiece, and the laser generating mechanism is used to emit laser light toward the workpiece to heat and soften the local position of the workpiece to be processed.

Optionally, the laser generating mechanism is installed on the output end of the vertical movement mechanism, and the laser emitting end of the laser generating mechanism is arranged towards the execution end of the processing actuator.

Optionally, the laser-assisted processing machine tool further includes a temperature detector, the temperature detector is arranged toward the execution end of the processing actuator, and the temperature detector is used to detect the temperature of the workpiece surface.

Optionally, the laser-assisted processing machine tool further includes a processing accuracy detector, the processing accuracy detector includes a detection cylinder and a detection probe, the detection cylinder is installed on the output end of the vertical movement mechanism, and the detection The output end of the air cylinder is connected with the detection probe and drives the detection probe to move in the vertical direction, and the detection probe is used to abut against the workpiece to detect the machining accuracy of the workpiece.

Optionally, the laser-assisted processing machine tool further includes a tool setting instrument, the tool setting instrument is installed on the output end of the plane moving mechanism and is located on the side of the workpiece, and the tool setting instrument is used to detect the Describe the dimensional accuracy of the execution end of the machining actuator.

Optionally, the plane moving mechanism includes a horizontal air-floating moving element and a longitudinal air-floating moving element, the output end of the horizontal air-floating moving element is connected with the longitudinal air-floating moving element and drives the longitudinal air-bearing moving element When moving laterally, the output end of the longitudinal air bearing moving part is used to install the workpiece and drive the workpiece to move longitudinally.

Optionally, the planar moving mechanism further includes a workpiece installation turntable, and the workpiece installation turntable includes a rotating drive member and a mounting base, the rotating drive member is installed on the output end of the longitudinal air bearing moving member, and the rotating The output end of the driving member is connected with the mounting base and drives the mounting base to rotate, and the mounting base is used for clamping and fixing the workpiece.

Optionally, the vertical moving mechanism includes a turning tool vertical air bearing moving part and a milling cutter vertical air bearing moving part, the processing execution mechanism includes a turning tool and a milling cutter, and the laser generating mechanism includes a turning tool laser Generator and milling cutter laser generator, the turning tool and the turning tool laser generator are installed on the output end of the turning tool vertical air bearing moving part, the milling cutter and the milling cutter laser generate The devices are installed on the vertical air bearing moving part of the milling cutter.

Optionally, the vertical moving mechanism includes a vertical air bearing moving part for a turning tool, the processing execution mechanism includes a turning tool, the laser generating mechanism includes a turning tool laser generator, the turning tool and the turning tool The laser generators are all installed on the output end of the vertical air bearing moving part of the turning tool.

Optionally, the vertical movement mechanism includes a milling cutter vertical air bearing moving part, the processing execution mechanism includes a milling cutter, the laser generating mechanism includes a milling cutter laser generator, the milling cutter and the milling cutter The laser generators are all installed on the output end of the vertical air bearing moving part of the milling cutter.

Beneficial effects of the present invention: the laser-assisted processing machine tool of the present invention first installs the workpiece on the output end of the plane moving mechanism, so that the workpiece can move freely on the horizontal plane driven by the plane moving mechanism, and the vertical moving mechanism drives The processing actuator moves in the vertical direction, so that the processing actuator can move relative to the workpiece in three directions (such as X axis, Y axis and Z axis), and process the workpiece in all aspects. When processing workpieces of hard and brittle materials, the laser emitted by the laser generating mechanism is always irradiated toward the position where the processing actuator needs to process the workpiece, that is, the position of the workpiece to be processed is locally heated, so that the position of the workpiece Softened by high temperature, the plastic-to-brittle transition depth of hard and brittle materials is increased, that is, the fracture strength of brittle materials is greater than the yield strength, and the brittle fracture in processing becomes continuous plastic processing, then the processing actuator can process the softened position. Reduce cutting force and wear, effectively improve processing accuracy, processing efficiency and material removal rate, greatly reduce processing costs, and have good use effects.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the descriptions of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only of the present invention. For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without paying creative efforts.

Fig. 1 is a schematic structural diagram of a turning-milling compound processing machine tool of a laser-assisted processing machine tool provided by an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a part of the turning-milling compound processing machine tool of the laser-assisted processing machine tool provided by the embodiment of the present invention;

Fig. 3 is a structural schematic diagram of a turning machine tool of a laser-assisted processing machine tool provided by an embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a part of the turning machine tool of the laser-assisted processing machine tool provided by the embodiment of the present invention;

Fig. 5 is a structural schematic diagram of a milling machine tool of a laser-assisted processing machine tool provided by an embodiment of the present invention;

Fig. 6 is a structural schematic diagram of a part of the milling machine tool of the laser-assisted processing machine tool provided by the embodiment of the present invention;

Fig. 7 is a schematic structural diagram of a machining accuracy detector provided by an embodiment of the present invention.

Wherein, each reference sign in the figure:

10—rack;

11 - processing area;

20—plane moving mechanism;

21—horizontal air flotation moving parts; 22—longitudinal air flotation moving parts; 23—workpiece installation turntable; 231—installation seat;

30—vertical movement mechanism;

31—the vertical air-floating moving part of the turning tool; 32—the vertical air-floating moving part of the milling cutter;

40—processing actuator;

41—turning tool; 42—milling cutter;

50—Laser generating mechanism;

51—Laser generator for turning tool; 52—Laser generator for milling cutter;

60—temperature detector;

70—machining accuracy detector;

71—detection cylinder; 72—detection probe; 73—linear slide rail;

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings 1 to 7 are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should therefore not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

As shown in Figures 1 to 7, the embodiment of the present invention provides a laser-assisted processing machine tool, which is applied to high-precision processing of relatively hard and brittle workpieces, such as monocrystalline silicon, zinc sulfide, zinc selenide or fluoride High-efficiency and low-damage processing of nano-scale surface roughness of infrared crystals such as calcium, and hard and brittle optical materials such as silicon carbide or tungsten carbide. Specifically, the laser-assisted processing machine tool includes a planar movement mechanism 20, a vertical movement mechanism 30, a processing actuator 40, and a laser generating mechanism 50. The planar movement mechanism 20 is used to install the workpiece and drive the workpiece to move arbitrarily in the horizontal plane. The vertical movement mechanism 30 is vertically arranged and located above the plane moving mechanism 20, the output end of the vertical moving mechanism 30 is connected with the processing actuator 40 and drives the processing actuator 40 to move vertically, the processing actuator 40 is used to process the workpiece, The laser generating mechanism 50 is used to emit laser light towards the workpiece to heat and soften the local position of the workpiece to be processed.

The following is a further description of the laser-assisted processing machine tool provided by the embodiment of the present invention: In the laser-assisted processing machine tool of the embodiment of the present invention, the workpiece is first installed on the output end of the plane moving mechanism 20, so that the workpiece can be driven by the plane moving mechanism 20 , move freely in the horizontal plane, the vertical movement mechanism 30 drives the processing actuator 40 to move in the vertical direction, so that the processing actuator 40 can move in three directions relative to the workpiece (such as the X axis, the Y axis and the Z axis), Carry out all-round processing on the workpiece. When processing workpieces of hard and brittle materials, the laser beam emitted by the laser generating mechanism 50 is always irradiated toward the position where the workpiece needs to be processed by the processing actuator 40, that is, the position of the workpiece to be processed is locally heated, so that the workpiece is processed. The position is softened by high temperature, increasing the plastic-to-brittle transition depth of the hard and brittle material, that is, the fracture strength of the brittle material is greater than the yield strength, and the brittle fracture in processing becomes continuous plastic processing, then the processing actuator 40 processes the softened position It can reduce the cutting force and wear, effectively improve the processing precision, processing efficiency and material removal rate, greatly reduce the processing cost, and the use effect is good.

Wherein, when the laser-assisted processing machine tool provided by the embodiment of the present invention is used, in order to ensure the processing accuracy, it needs to be placed in a working environment with constant temperature, constant humidity and shock isolation for processing.

In another embodiment of the present invention, as shown in Figures 1, 3, and 5, the laser-assisted processing machine tool provided by the embodiment of the present invention further includes a frame 10, which includes a marble plane, and the frame 10 is provided with a processing area 11 and the processing area 11 is located above the marble plane, the plane moving mechanism 20 is horizontally installed on the marble plane, the vertical moving mechanism 30 is vertically installed on the frame 10 and is located in the processing area 11, and the laser generating mechanism 50 Installed on the rack 10.

In another embodiment of the present invention, as shown in FIGS. Executor settings. Specifically, the vertical moving mechanism 30 drives the processing actuator 40 and the laser generating mechanism 50 to move synchronously in the vertical direction, so that the processing executing mechanism 40 and the laser generating mechanism 50 can move relative to the workpiece in three directions (such as X axis, Y Axis and Z axis), to process the workpiece in all aspects. Then, when processing workpieces of hard and brittle materials, the laser light emitted by the laser generating mechanism 50 is always set towards the execution end of the processing actuator 40 (that is, the processing point of the processing actuator 40 is always at the same position as the laser irradiation point), then It can be ensured that the laser emitted by the laser generating mechanism 50 always irradiates the position of the workpiece to be processed, so that the position of the workpiece is softened by high temperature and then cut.

In another embodiment of the present invention, as shown in FIGS. 1-6, the laser-assisted processing machine tool further includes a temperature detector 60, which is arranged toward the execution end of the processing actuator 40, and the temperature detector 60 is used for To detect the temperature of the workpiece surface. Specifically, the temperature detector 60 is installed on the output end of the vertical movement mechanism 30 and is arranged towards the execution end of the processing actuator 40, and the temperature detector 60, the processing actuator 40 and the laser generating mechanism 50 Driven to move synchronously in the vertical direction, through the setting of the temperature detector 60, when the laser generating mechanism 50 is heating the position of the workpiece to be processed, it can detect the temperature of the local heating of the workpiece in time, so as to adjust the local softening degree of the workpiece. Effective control to prevent excessive softening of the workpiece from affecting processing.

In another embodiment of the present invention, as shown in Figures 1 and 7, the laser-assisted processing machine tool further includes a machining accuracy detector 70, and the machining accuracy detector 70 includes a detection cylinder 71 and a detection probe 72, and the detection cylinder 71 is installed on the vertical On the output end of the moving mechanism 30, the output end of the detection cylinder 71 is connected with the detection probe 72 and used to drive the detection probe 72 to move in the vertical direction. The detection probe 72 is used to abut against the workpiece to detect the machining accuracy of the workpiece. Specifically, after the workpiece is processed, the processing accuracy of the workpiece is detected by the detection probe 72. If it meets the processing requirements, the processing is completed. If there is a deviation in the processing size, the required processing amount is calculated by online detection of the size deviation, and a new processing is automatically generated. Track, process the workpiece again until the processing is qualified. During detection, the detection cylinder 71 pushes the detection probe 72 out to abut against the workpiece, and then makes the detection probe 72 walk along the processing track of the workpiece for data collection to complete the detection. After the detection, the detection cylinder 71 pushes the detection probe 72 to retract to Keep away from workpiece. Further, the machining accuracy detector 70 also includes a linear slide rail 73, the guide rail of the linear slide rail 73 is installed vertically on the output end of the vertical movement mechanism 30, and the slide block of the linear slide rail 73 is installed on the detection probe 72, In this way, the detection cylinder 71 can more stably drive the detection probe 72 to move in the vertical direction.

In another embodiment of the present invention, the laser-assisted processing machine tool also includes a tool setting instrument (not shown), the tool setting instrument is installed on the output end of the plane moving mechanism 20 and is positioned at the side of the workpiece, and the tool setting instrument is used for Detect the dimensional accuracy of the execution end of the machining actuator 40 . Specifically, through the setting of the tool setting instrument, the dimensional parameters of the execution end of the machining actuator 40 can be effectively positioned and detected to determine whether the execution end of the machining actuator 40 still meets the requirements of machining accuracy during long-term machining wear. If it is satisfied, replace it to ensure the machining accuracy of the workpiece. Among them, the tool setting instrument is a laser tool setting instrument.

In another embodiment of the present invention, as shown in Figures 1, 3, and 5, the planar moving mechanism 20 includes a horizontal air bearing moving part 21 and a longitudinal air bearing moving part 22, and the output end of the horizontal air bearing moving part 21 is connected to the longitudinal The air bearing moving part 22 is connected to and drives the longitudinal air bearing moving part 22 to move laterally, and the output end of the longitudinal air bearing moving part 22 is used to install the workpiece and drive the workpiece to move longitudinally. Specifically, the horizontal air bearing moving part 21 is horizontally installed on the marble plane of the frame 10, and the longitudinal air bearing moving part 22 is vertically and horizontally installed on the output end of the horizontal air bearing moving part 21, and the workpiece Installed on the output end of the longitudinal air bearing moving part 22, the workpiece can move freely in the horizontal plane under the cooperation of the horizontal air bearing moving part 21 and the longitudinal air bearing moving part 22; The air-floating moving part 21 and the longitudinal air-floating moving part 22 are all in an air-floating non-contact state when they move with each other, so that the workpiece can be accurately moved to any position in the horizontal plane (the horizontal air-floating moving part 21 and the longitudinal air-floating moving part In the case of the stroke range of the movable member 22). Wherein, the horizontal air-floating moving part 21 and the vertical air-floating moving part 22 are both air-floating modules, but there are differences in installation directions. The air-floating modules are prior art and will not be repeated here.

Further, there are two horizontal air-floating moving parts 21, and the two horizontal air-floating moving parts 21 are distributed on the marble plane at intervals in the transverse direction. On the output end of the moving part 21, this can ensure that the vertical air-bearing moving part 22 can move stably in the lateral direction and improve the movement accuracy.

In another embodiment of the present invention, as shown in Figures 1, 3, and 5, the planar moving mechanism 20 also includes a workpiece installation turntable 23, and the workpiece installation turntable 23 includes a rotating drive member and a mounting seat 231, and the rotating drive member is installed on the longitudinal axis. On the output end of the air floating moving part 22, the output end of the rotating drive part is connected with the mounting seat 231 and drives the mounting seat 231 to rotate. The mounting seat 231 is used to clamp and fix the workpiece. Specifically, in the process of processing, the workpiece is clamped and fixed on the mounting base 231, and the rotating drive member can be driven to rotate in the horizontal direction. During processing, when the workpiece needs to rotate, the rotating drive member starts, and when the workpiece does not need to rotate , the rotating drive part does not work, so that the processing requirements of the laser-assisted processing machine tool provided by the embodiment of the present invention can be met, and the applicability is good. Wherein, the rotary driving member is preferably a rotary motor, which is set as required.

In another embodiment of the present invention, as shown in Figures 1-2, the vertical moving mechanism 30 includes a turning tool vertical air bearing moving part 31 and a milling cutter vertical air bearing moving part 32, and the processing actuator 40 includes a turning tool Knife 41 and milling cutter 42, laser generating mechanism 50 includes turning tool laser generator 51 and milling cutter laser generator 52, turning tool 41 and turning tool laser generator 51 are all installed in the output of turning tool vertical air bearing moving part 31 On the end, both the milling cutter 42 and the milling cutter laser generator 52 are installed on the vertical air bearing moving part 32 of the milling cutter. Specifically, when processing the workpiece, the processing actuator 40 can be a turning tool 41 and a milling cutter 42 that cooperate with each other to realize the combined turning and milling processing of the workpiece, so that the laser-assisted processing machine tool in the embodiment of the present invention is a turning and milling tool. Composite processing machine tools. Wherein, the turning tool 41 and the milling cutter 42 are installed on the output end of the vertical air-floating moving part 31 of the turning tool and the output end of the vertical air-floating moving part 32 of the milling cutter respectively. During turning processing, the workpiece is fixedly installed on the mounting seat 231, and the rotating drive part rotates at a high speed to drive the workpiece to rotate at a high speed, and the workpiece moves freely in the horizontal direction of the processing area 11 along with the horizontal air-floating moving part 21 and the longitudinal air-bearing moving part 22. Move, turning tool vertical air-floating moving part 31 drives turning tool 41 and turning tool laser generator 51 to move freely vertically in processing area 11, turning tool 41 like this, turning tool laser generator 51 and workpiece just can be processed The area 11 cooperates with each other to move, so that the turning tool 41 can turn the workpiece at the designated processing position according to the established processing path; when the workpiece needs to be milled, the turning tool vertical air bearing moving part 31 drives the turning tool 41 and the turning tool laser generator 51 return to their original positions and stop working, then the rotating drive part stops rotating, so that the workpiece stops rotating, and the milling cutter 42 rotates at a high speed, and the workpiece is being processed with the horizontal air bearing moving part 21 and the longitudinal air bearing moving part 22 The horizontal direction in the area 11 is free to move, and the vertical air-floating moving part 32 of the milling cutter drives the milling cutter 42 and the milling cutter laser generator 52 to move freely vertically in the processing area 11, so that the milling cutter 42, the milling cutter laser generator 52 and the workpiece can move in cooperation with each other in the processing area 11, so that the milling cutter 42 can mill the workpiece according to the established processing path at the designated processing position; similarly, when it is necessary to switch from milling to turning, The milling cutter vertical air-floating moving part 32 drives the milling cutter 42 and the milling cutter laser generator 52 to return to the original position and stop working, and the machine tool enters the turning processing mode. In this way, turning and milling are used alternately to achieve the purpose of one-time processing and shaping of the workpiece , Effectively avoid the phenomenon that the machining error becomes larger due to the secondary installation of the tool. Further, the vertical air-floating moving part 31 of the turning tool and the vertical air-floating moving part 32 of the milling cutter are respectively equipped with a counterweight cylinder of the turning tool 41 and a counterweight cylinder of the milling cutter 42, and a counterweight cylinder of the turning tool 41 and the milling cutter 42 The counterweight cylinder is respectively used to assist the vertical air-floating moving part 31 of the turning tool and the vertical air-floating moving part 32 of the milling cutter to move in the vertical direction, so that the vertical air-floating moving part 31 of the turning tool and the vertical air-floating moving part of the milling cutter The moving part 32 moves more precisely. Correspondingly, a temperature detector 60 is provided between the turning tool 41 and the turning tool laser generator 51 , and a temperature detector 60 is also arranged between the milling cutter 42 and the milling cutter laser generator 52 .

In another embodiment of the present invention, as shown in Figures 3-4, the vertical moving mechanism 30 includes a turning tool vertical air bearing moving part 31, the processing actuator 40 includes a turning tool 41, and the laser generating mechanism 50 includes a turning tool The laser generator 51, the turning tool 41 and the turning tool laser generator 51 are all installed on the output end of the turning tool vertical air bearing moving part 31. Specifically, when processing a workpiece, the processing actuator 40 may only be a turning tool 41, and correspondingly, the vertical moving mechanism 30 is a vertical air bearing moving part 31 of a turning tool, so that the laser-assisted processing in the embodiment of the present invention The machine tool is a turning machine tool. In the process of processing, the workpiece is fixedly installed on the mounting base 231, and the rotating drive part rotates at a high speed to drive the workpiece to rotate at a high speed, and the workpiece follows the horizontal direction of the horizontal air-floating moving part 21 and the longitudinal air-floating moving part 22 in the processing area 11. Freely move, turning tool vertical air-floating moving part 31 drives turning tool 41 and turning tool laser generator 51 to move freely vertically in processing area 11, turning tool 41, turning tool laser generator 51 and workpiece just can be in like this The machining area 11 cooperates with each other to move, so that the turning tool 41 can turn the workpiece at a designated machining position according to a predetermined machining path. Further, the turning tool vertical air-floating moving part 31 is provided with a turning tool 41 counterweight cylinder, and the turning tool 41 counterweight cylinder is used to assist the turning tool vertical air-floating moving part 31 to move in the vertical direction, so that the turning tool The vertical air bearing moving part 31 moves more precisely. Correspondingly, the temperature detector 60 is arranged between the turning tool 41 and the turning tool laser generator 51 .

In another embodiment of the present invention, as shown in FIGS. 5-6, the vertical moving mechanism 30 includes a milling cutter vertical air bearing moving part 32, the processing actuator 40 includes a milling cutter 42, and the laser generating mechanism 50 includes a milling cutter The laser generator 52 , the milling cutter 42 and the milling cutter laser generator 52 are all installed on the output end of the vertical air bearing moving part 32 of the milling cutter. Specifically, when processing a workpiece, the processing actuator 40 may only be a milling cutter 42, and correspondingly, the vertical moving mechanism 30 is a milling cutter vertical air bearing moving part 32, so that the laser-assisted processing in the embodiment of the present invention The machine tool is a milling machine tool (or a polishing machine tool). In the process of processing, the workpiece is fixedly installed on the mounting seat 231, the milling cutter 42 rotates at high speed, and the workpiece moves freely in the horizontal direction in the processing area 11 with the horizontal air-floating moving part 21 and the longitudinal air-floating moving part 22, and the milling cutter vertically The vertical free movement of the milling cutter 42 and the milling cutter laser generator 52 in the processing area 11 is driven by the air bearing moving part 32, so that the milling cutter 42, the milling cutter laser generator 52 and the workpiece can cooperate with each other in the processing area 11 Move, so that the milling cutter 42 can mill the workpiece at the specified processing position according to the predetermined processing path. Further, the vertical air-floating moving part 32 of the milling cutter is provided with a counterweight cylinder of the milling cutter 42, and the counterweight cylinder of the milling cutter 42 is used to assist the vertical air-floating moving part 32 of the milling cutter to move in the vertical direction, so that the milling cutter The vertical air bearing moving part 32 moves more precisely. Correspondingly, the temperature detector 60 is arranged between the milling cutter 42 and the milling cutter laser generator 52 .

In summary, the use method (processing method) of the laser-assisted processing machine tool provided by the above-mentioned embodiment is: firstly ventilate the plane moving mechanism 20 and the vertical moving mechanism 30 to detect each shaft system (horizontal air bearing moving part 21 , vertical air-floating moving part 22, turning tool vertical air-floating moving part 31/milling cutter vertical air-floating moving part 32) whether the air-floating guiding condition is reached, after the detection is completed, the workpiece is installed on the mounting seat 231, and then the Input the pre-designed processing program into the controller, and then use the tool setting instrument to check whether the dimensional parameters of the turning tool 41 and/or milling cutter 42 meet the requirements, and after confirming that the turning tool 41 and/or milling cutter 42 meet the processing accuracy requirements, start The controller makes the turning tool laser generator 51 cooperate with the turning tool 41 to move according to the set trajectory, and/or the milling cutter laser generator 52 cooperates with the milling cutter 42 to move according to the set trajectory, so as to process the workpiece; During the process, a 5 million-pixel camera is equipped to observe the processing process, and the temperature is continuously detected in real time by the temperature detector 60 and fed back to the temperature control system, so that the operator can adjust the turning tool laser generator 51 and/or the milling cutter laser generator 52 The laser parameters, so that the temperature of the laser meets the softening conditions of hard and brittle material workpieces; after the workpiece processing is completed, the miscellaneous chips generated by the processing are blown out and the turning tool 41 and/or milling cutter 42 is cooled by means of air blowing, Then the vacuum grinding debris suction device absorbs the grinding debris generated during processing, and transports it to the concentrated collection area of debris; finally, it extends through the detection probe 72 to contact the processed workpiece to detect whether the machining accuracy of the workpiece is qualified. Processing is finished, if unqualified then control system carries out interpolation operation according to the detection value of turning tool 41 and/or milling cutter 42 and the detection value of workpiece, solves the motion locus of turning tool 41 and/or milling cutter 42 to carry out secondary processing, Then repeat the above steps to carry out secondary processing on the workpiece, and so on until the workpiece meets the precision requirements.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (10)

1. a kind of laser assisted machining tool, it is characterised in that: executed including planar movement mechanism, vertically movable mechanism, processing Mechanism and laser generating mechanism, the planar movement mechanism are used to install workpiece and workpiece is driven arbitrarily to move in the horizontal plane, The vertically movable mechanism is in top vertically arranged and positioned at the planar movement mechanism, the output of the vertically movable mechanism End connect with the processing executing agency and drives the processing executing agency processing executing agency is used for vertically movable The workpiece is processed, the laser generating mechanism is used for towards workpiece transmitting laser to heat and soften the workpiece Local location to be processed.

2. laser assisted machining tool according to claim 1, it is characterised in that: the laser generating mechanism is installed on institute On the output end for stating vertically movable mechanism, laser emitting end the holding towards the processing executing agency of the laser generating mechanism The setting of row end.

3. laser assisted machining tool according to claim 1, it is characterised in that: the laser assisted machining tool also wraps Include temperature detector, actuating station setting of the temperature detector towards the processing executing agency, the temperature detector use In the temperature for detecting the workpiece surface.

4. laser assisted machining tool according to claim 1, it is characterised in that: the laser assisted machining tool also wraps Precision measurement and detection device is included, the precision measurement and detection device includes that detection cylinder and detection probe, the detection cylinder are installed on On the output end of the vertically movable mechanism, the output end of the detection cylinder connect with the detection probe and drives the inspection Probing head is mobile in vertical direction, and the detection probe with the workpiece for abutting to detect the machining accuracy of the workpiece.

5. laser assisted machining tool according to claim 1, it is characterised in that: the laser assisted machining tool also wraps Tool setting gauge is included, the tool setting gauge is installed on the side on the output end of the planar movement mechanism and being located at the workpiece, described Tool setting gauge is used to detect the dimensional accuracy of the actuating station of the processing executing agency.

6. described in any item laser assisted machining tools according to claim 1~5, it is characterised in that: the planar movement machine Structure includes lateral air-floated movable part and longitudinal air-floated movable part, the output end of the transverse direction air-floated movable part and longitudinal air bearing Moving member connects and drives longitudinal air-floated movable part in transverse shifting, and the output end of the longitudinal direction air-floated movable part is for pacifying It fills the workpiece and the workpiece is driven to vertically move.

7. laser assisted machining tool according to claim 6, it is characterised in that: the planar movement mechanism further includes work Part installs turntable, and the workpiece installation turntable includes rotating drive part and mounting base, and the rotating drive part is installed on described vertical To on the output end of air-floated movable part, the output end of the rotating drive part connect with the mounting base and drives the mounting base Rotation, the mounting base is for gripping the workpiece.

8. described in any item laser assisted machining tools according to claim 1~5, it is characterised in that: the vertically movable machine Structure includes the vertical air-floated movable part of lathe tool and the vertical air-floated movable part of milling cutter, and the processing executing agency includes lathe tool and milling cutter, The laser generating mechanism includes lathe tool laser generator and milling cutter laser generator, and the lathe tool and the lathe tool laser occur Device is mounted on the output end of the vertical air-floated movable part of the lathe tool, and the milling cutter and the milling cutter laser generator are respectively mounted In on the vertical air-floated movable part of the milling cutter.

9. described in any item laser assisted machining tools according to claim 1~5, it is characterised in that: the vertically movable machine Structure includes the vertical air-floated movable part of lathe tool, and the processing executing agency includes lathe tool, and the laser generating mechanism includes that lathe tool swashs Optical generator, the lathe tool and the lathe tool laser generator are mounted on the output end of the vertical air-floated movable part of the lathe tool On.

10. described in any item laser assisted machining tools according to claim 1~5, it is characterised in that: the vertically movable mechanism Including the vertical air-floated movable part of milling cutter, the processing executing agency includes milling cutter, and the laser generating mechanism includes milling cutter laser Generator, the milling cutter and the milling cutter laser generator are mounted on the output end of the vertical air-floated movable part of the milling cutter.