CN104842067B - A kind of three-dimensional laser cutting machine of five-axle linkage - Google Patents

A kind of three-dimensional laser cutting machine of five-axle linkage Download PDF

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Publication number
CN104842067B
CN104842067B CN201510288320.6A CN201510288320A CN104842067B CN 104842067 B CN104842067 B CN 104842067B CN 201510288320 A CN201510288320 A CN 201510288320A CN 104842067 B CN104842067 B CN 104842067B
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CN
China
Prior art keywords
axle
laser
laser cutting
axis
top
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CN201510288320.6A
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Chinese (zh)
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CN104842067A (en
Inventor
吴学荣
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济南微尔激光设备有限公司
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Priority to CN201510288320.6A priority Critical patent/CN104842067B/en
Publication of CN104842067A publication Critical patent/CN104842067A/en
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Publication of CN104842067B publication Critical patent/CN104842067B/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08Devices involving relative movement between laser beam and workpiece
    • B23K26/0869Devices involving movement of the laser head in at least one axial direction
    • B23K26/0876Devices involving movement of the laser head in at least one axial direction in at least two axial directions
    • B23K26/0884Devices involving movement of the laser head in at least one axial direction in at least two axial directions in at least in three axial directions, e.g. manipulators, robots
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36Removing material
    • B23K26/38Removing material by boring or cutting

Abstract

The present invention relates to the three-dimensional laser cutting machine of a kind of five-axle linkage。The three-dimensional laser cutting machine of this five-axle linkage, including lathe bed, workbench, portal frame and laser cutting system, described workbench includes the B axle rotary table of A axle rotary table and the side of being provided thereon, a laser instrument mounting seat it is provided with at the top of portal frame, laser instrument mounting seat is moved at the top of portal frame along the width of lathe bed by an X-axis translation mechanism, be provided with a column at the top of laser instrument mounting seat, described laser conduction system installing plate is moved up and down along column by a Z axis translation mechanism。The three-dimensional laser cutting machine of this five-axle linkage, under the cooperation of laser cutting head motion and working table movement, it is achieved the five-axis robot of workpiece, cuts out the special-shaped workpiece with complex space curved surfaces。Laser beam is made without repeatedly light path converting, and laser power loss is little, and cutting efficiency is high。The motion of laser cutting head is simple, controls programming convenient, handling by force。

Description

A kind of three-dimensional laser cutting machine of five-axle linkage

(1) technical field

The present invention relates to the three-dimensional laser cutting machine of a kind of five-axle linkage。

(2) background technology

Laser cutting technique as a kind of high-quality, in high precision, high efficiency processing method, be widely used in the field such as Aeronautics and Astronautics and automobile making。Existing laser cutting system can be applicable to the processing of the flat work pieces such as sheet material, section bar, cloth。Flat panel workpieces adopts common two-dimensional laser cutting machine namely can machine due to simple shape, and for 3 D stereo workpiece, due to complex shape, then must adopt three-dimensional laser cutting machine。Existing common three-dimensional laser cutting machine is typically with that laser cutting head is arbitrarily angled in three dimensions, the rotation of optional position to be to process three-dimensional workpiece。Operate flexibly at any angle to realize laser cutting head, it is necessary to laser beam light path is repeatedly adjusted, be synthetically derived laser cutting head movement locus flexibly by moving, to adapt to the three-dimensional workpiece processing with various curved surface。The control program of this dimension laser cutting head is complicated, and optical path adjusting bothers, and laser beam losing portion of energy after repeatedly light path converting, causes that cutting efficiency reduces。

(3) summary of the invention

The present invention is in order to make up the deficiencies in the prior art, provide one and can pass through laser cutting head X, Y, Z axis translational motion and workbench A axle, the synthesis of B axle rotary motion realizes the five-axis robot to 3 D stereo workpiece, the special-shaped workpiece with complex space curved surfaces can be cut out, laser cutting head motion is simple, optical path adjusting is convenient, laser power loss is little, cutting efficiency is high, the split-type structural of lathe bed and workbench can avoid workbench vibration to pass on laser instrument, cutting accuracy is high, control programming convenient, electrician assembles simplification, the three-dimensional laser cutting machine of the five-axle linkage that cost is low, solve problems of the prior art。

The present invention is achieved through the following technical solutions:

A kind of three-dimensional laser cutting machine of five-axle linkage, including lathe bed, workbench, portal frame and laser cutting system, described workbench includes the B axle rotary table of A axle rotary table and the side of being provided thereon, described laser cutting system includes laser instrument, laser conduction system and laser cutting head, described portal frame is moved along the length direction of lathe bed by a Y-axis translation mechanism, a laser instrument mounting seat it is provided with at the top of portal frame, the top of laser instrument mounting seat is located at by laser instrument, laser instrument mounting seat is moved at the top of portal frame along the width of lathe bed by an X-axis translation mechanism, described laser conduction system includes a mirror unit, the right-angled side faces that mirror unit is vertically placed is connected with laser exit, it is located at the laser cutting head below mirror unit and is arranged on a laser conduction system installing plate, the outgoing axis collinear of the axis of laser cutting head and mirror unit, it is provided with a column at the top of laser instrument mounting seat, described laser conduction system installing plate is moved up and down along column by a Z axis translation mechanism。

Described A axle rotary table includes an A axle frame and the A axle driving mechanism driving A axle frame to rotate at horizontal plane, and described B axle rotary table includes a B axle frame and the B axle driving mechanism driving B axle frame to rotate at vertical plane。

Described Y-axis translation mechanism includes the Y-axis rack type guide rail being arranged on lathe bed both sides along lathe bed length direction, and the gear being located at the Y-axis drive motor output shaft end bottom portal frame is meshed with Y-axis rack type guide rail。

Described X-axis translation mechanism includes the X-axis rack type guide rail being arranged on portal frame top along lathe bed width, and the gear of an X-axis drive motor output shaft end being located at laser instrument mounting seat top is meshed with X-axis rack type guide rail。

Described Z axis translation mechanism includes a lead screw guide rails, the upper and lower two ends of screw mandrel of lead screw guide rails are individually fixed in top and the bottom of column, the gear of the one Z axis drive motor output shaft end being located at column top is meshed with the gear outside the screw mandrel upper end being socketed in lead screw guide rails, and the slide block of lead screw guide rails is connected with laser conduction system installing plate。

Described A axle driving mechanism includes an A axle frame power transmission shaft being vertically arranged, the top of A axle frame power transmission shaft is connected with the bottom centre of A axle frame, bottom is connected by a bearing block and a base, outer sheath at A axle frame power transmission shaft is connected to an A shaft transmission gear, and A shaft transmission gear is connected by the driving gear of a transmission band and an A axis drive motor output shaft end。

Described B axle driving mechanism includes level and is located at the B axle frame power transmission shaft below B axle frame, the two ends of B axle frame power transmission shaft are connected respectively through the both sides of pair of support rods with B axle frame, the two ends of B axle frame power transmission shaft are installed on the both sides, top of A axle frame respectively through a bearing block, being respectively sleeved on a B shaft transmission gear after the two ends projecting shaft bearing of B axle frame power transmission shaft, B shaft transmission gear is connected by the driving gear of a transmission band and a B axis drive motor output shaft end。

The invention has the beneficial effects as follows: the three-dimensional laser cutting machine of this five-axle linkage, when cutting processing, A axle driving mechanism drive installation B axle frame in A axle frame also rotates while overturning in vertical plane in horizontal plane, by the cooperation of A axle rotary table and B axle rotary table, workpiece is needed the position being partially rotated to convenient processing or the angle of cutting。On the other hand, X-axis translation mechanism promotes laser instrument mounting seat to move along X-direction, Y-axis translation mechanism promotes portal frame to move along Y direction, Z axis translation mechanism promotes laser conduction system installing plate to move along Z-direction, by the cooperation of X, Y, Z axis translation mechanism, laser cutting head is adjusted to the position being easy to cutting workpiece。Under the cooperation of laser cutting head motion and working table movement, it is achieved the five-axis robot of workpiece, cut out the special-shaped workpiece with complex space curved surfaces。Laser beam is made without repeatedly light path converting, and laser power loss is little, and cutting efficiency is high, precision is high, also simplify electrician's assembling simultaneously, reduces production cost。The motion of laser cutting head is simple, controls programming convenient, handling by force。Additionally, due to lathe bed, workbench adopt split-type structural, the vibration that workbench operationally produces can being avoided to pass on laser instrument, thus ensureing the stability of Laser Transmission, good beam quality can ensure the machining accuracy of laser cutting machine。

(4) accompanying drawing explanation

Below in conjunction with accompanying drawing, the present invention is further illustrated。

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the left view structural representation of Fig. 1;

Fig. 3 is the right TV structure schematic diagram of Fig. 1。

In figure, 1 lathe bed, 2 portal frames, 3 laser instrument, 4 laser cutting heads, 5 laser instrument mounting seats, 6 mirror units, 7 laser conduction system installing plates, 8 columns, 9A axle frame, 10B axle frame, 11Y axle rack type guide rail, 12Y axis drive motor, 13X axle rack type guide rail, 14X axis drive motor, 15 lead screw guide rails, 16Z axis drive motor, 17A axle frame power transmission shaft, 18 bases, 19A shaft transmission gear, 20A axis drive motor, 21B axle frame power transmission shaft, 22 support bars, 23B shaft transmission gear, 24B axis drive motor。

(5) detailed description of the invention

For knowing the technical characterstic that this programme is described, below by detailed description of the invention, and in conjunction with its accompanying drawing, the present invention will be described in detail。

As shown in figs. 1-3, this embodiment includes lathe bed 1, workbench, portal frame 2 and laser cutting system, described workbench includes the B axle rotary table of A axle rotary table and the side of being provided thereon, described laser cutting system includes laser instrument 3, laser conduction system and laser cutting head 4, described portal frame 2 is moved along the length direction of lathe bed 1 by a Y-axis translation mechanism, a laser instrument mounting seat 5 it is provided with at the top of portal frame 2, the top of laser instrument mounting seat 5 is located at by laser instrument 3, laser instrument mounting seat 5 is moved at the top of portal frame 2 along the width of lathe bed 1 by an X-axis translation mechanism, described laser conduction system includes a mirror unit 6, the right-angled side faces that mirror unit 6 is vertically placed is connected with laser instrument 3 outlet, it is located at the laser cutting head 4 below mirror unit 6 and is arranged on a laser conduction system installing plate 7, the outgoing axis collinear of the axis of laser cutting head 4 and mirror unit 6, a column 8 it is provided with at the top of laser instrument mounting seat 5, described laser conduction system installing plate 7 is moved up and down along column 8 by a Z axis translation mechanism。

Described A axle rotary table includes an A axle frame 9 and the A axle driving mechanism driving A axle frame 9 to rotate at horizontal plane, and described B axle rotary table includes a B axle frame 10 and the B axle driving mechanism driving B axle frame 10 to rotate at vertical plane。

Described Y-axis translation mechanism includes the Y-axis rack type guide rail 11 being arranged on lathe bed 1 both sides along lathe bed 1 length direction, and the gear being located at Y-axis drive motor 12 output shaft end bottom portal frame 2 is meshed with Y-axis rack type guide rail 11。

Described X-axis translation mechanism includes the X-axis rack type guide rail 13 being arranged on portal frame 2 top along lathe bed 1 width, and the gear of X-axis drive motor 14 output shaft end being located at laser instrument mounting seat 5 top is meshed with X-axis rack type guide rail 13。

Described Z axis translation mechanism includes a lead screw guide rails 15, the upper and lower two ends of screw mandrel of lead screw guide rails 15 are individually fixed in top and the bottom of column 8, the gear of one Z axis drive motor 16 output shaft end being located at column 8 top is meshed with the gear outside the screw mandrel upper end being socketed in lead screw guide rails 15, and the slide block of lead screw guide rails 15 is connected with laser conduction system installing plate 7。

Described A axle driving mechanism includes an A axle frame power transmission shaft 17 being vertically arranged, the top of A axle frame power transmission shaft 17 is connected with the bottom centre of A axle frame 9, bottom is connected by a bearing block and a base 18, outer sheath at A axle frame power transmission shaft 17 is connected to A shaft transmission gear 19, an A shaft transmission gear 19 and is connected by the driving gear of a transmission band and A axis drive motor 20 output shaft end。

Described B axle driving mechanism includes level and is located at the B axle frame power transmission shaft 21 below B axle frame 10, the two ends of B axle frame power transmission shaft 21 are connected respectively through the both sides of pair of support rods 22 with B axle frame 10, the two ends of B axle frame power transmission shaft 21 are installed on the both sides, top of A axle frame 9 respectively through a bearing block, it is respectively sleeved on B shaft transmission gear 23, a B shaft transmission gear 23 after the two ends projecting shaft bearing of B axle frame power transmission shaft 21 to be connected by the driving gear of a transmission band and B axis drive motor 24 output shaft end。

When cutting processing, sheet material to be processed is placed in workbench B axle frame 10, B axle driving mechanism drives B axle frame 10 to overturn in vertical plane, A axle driving mechanism drive installation B axle frame 10 in A axle frame 9 also rotates while overturning in vertical plane in horizontal plane, by the cooperation of A axle rotary table and B axle rotary table, workpiece is needed the position being partially rotated to convenient processing or the angle of cutting。On the other hand, X-axis translation mechanism promotes laser instrument mounting seat 5 to move along X-direction, Y-axis translation mechanism promotes portal frame 2 to move along Y direction, Z axis translation mechanism promotes laser conduction system installing plate 7 to move along Z-direction, by the cooperation of X, Y, Z axis translation mechanism, laser cutting head 4 is adjusted to the position being easy to cutting workpiece。Under the cooperation of laser cutting head 4 motion and working table movement, it is achieved the five-axis robot of workpiece, cut out the special-shaped workpiece with complex space curved surfaces。Laser beam is made without repeatedly light path converting, and laser power loss is little, and cutting efficiency is high, also simplify electrician's assembling simultaneously, reduces production cost。The motion of laser cutting head is simple, controls programming convenient, handling by force。Additionally, due to lathe bed, workbench adopt split-type structural, the vibration that workbench operationally produces can being avoided to pass on laser instrument, thus ensureing the stability of Laser Transmission, good beam quality can ensure the machining accuracy of laser cutting machine。

The present invention does not describe part in detail, is the known technology of those skilled in the art of the present technique。What finally illustrate is, above example is only in order to illustrate technical scheme and unrestricted, although the present invention being described in detail with reference to preferred embodiment, it will be understood by those within the art that, technical scheme can be modified or equivalent replacement, without deviating from objective and the scope of technical solution of the present invention, it all should be encompassed in the middle of scope of the presently claimed invention。

Claims (5)

1. the three-dimensional laser cutting machine of a five-axle linkage, including lathe bed, workbench, portal frame and laser cutting system, it is characterized in that: described workbench includes the B axle rotary table of A axle rotary table and the side of being provided thereon, described laser cutting system includes laser instrument, laser conduction system and laser cutting head, described portal frame is moved along the length direction of lathe bed by a Y-axis translation mechanism, a laser instrument mounting seat it is provided with at the top of portal frame, the top of laser instrument mounting seat is located at by laser instrument, laser instrument mounting seat is moved at the top of portal frame along the width of lathe bed by an X-axis translation mechanism, described laser conduction system includes a mirror unit, the right-angled side faces that mirror unit is vertically placed is connected with laser exit, it is located at the laser cutting head below mirror unit and is arranged on a laser conduction system installing plate, the outgoing axis collinear of the axis of laser cutting head and mirror unit, it is provided with a column at the top of laser instrument mounting seat, described laser conduction system installing plate is moved up and down along column by a Z axis translation mechanism;Described A axle rotary table includes an A axle frame and the A axle driving mechanism driving A axle frame to rotate at horizontal plane, and described B axle rotary table includes a B axle frame and the B axle driving mechanism driving B axle frame to rotate at vertical plane;Described A axle driving mechanism includes an A axle frame power transmission shaft being vertically arranged, the top of A axle frame power transmission shaft is connected with the bottom centre of A axle frame, bottom is connected by a bearing block and a base, outer sheath at A axle frame power transmission shaft is connected to an A shaft transmission gear, and A shaft transmission gear is connected by the driving gear of a transmission band and an A axis drive motor output shaft end。
2. the three-dimensional laser cutting machine of a kind of five-axle linkage according to claim 1, it is characterized in that: described Y-axis translation mechanism includes being arranged on the Y-axis rack type guide rail of lathe bed both sides along lathe bed length direction, and the gear being located at the Y-axis drive motor output shaft end bottom portal frame is meshed with Y-axis rack type guide rail。
3. the three-dimensional laser cutting machine of a kind of five-axle linkage according to claim 1, it is characterized in that: described X-axis translation mechanism includes being arranged on the X-axis rack type guide rail at portal frame top along lathe bed width, the gear of an X-axis drive motor output shaft end being located at laser instrument mounting seat top is meshed with X-axis rack type guide rail。
4. the three-dimensional laser cutting machine of a kind of five-axle linkage according to claim 1, it is characterized in that: described Z axis translation mechanism includes a lead screw guide rails, the upper and lower two ends of screw mandrel of lead screw guide rails are individually fixed in top and the bottom of column, the gear of the one Z axis drive motor output shaft end being located at column top is meshed with the gear outside the screw mandrel upper end being socketed in lead screw guide rails, and the slide block of lead screw guide rails is connected with laser conduction system installing plate。
5. the three-dimensional laser cutting machine of a kind of five-axle linkage according to claim 1, it is characterized in that: described B axle driving mechanism includes level and is located at the B axle frame power transmission shaft below B axle frame, the two ends of B axle frame power transmission shaft are connected respectively through the both sides of pair of support rods with B axle frame, the two ends of B axle frame power transmission shaft are installed on the both sides, top of A axle frame respectively through a bearing block, it is respectively sleeved on a B shaft transmission gear after the two ends projecting shaft bearing of B axle frame power transmission shaft, B shaft transmission gear is connected by the driving gear of a transmission band and a B axis drive motor output shaft end。
CN201510288320.6A 2015-05-29 2015-05-29 A kind of three-dimensional laser cutting machine of five-axle linkage CN104842067B (en)

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