CN202097499U - Carrying type parallel numerically controlled laser cutter - Google Patents
Carrying type parallel numerically controlled laser cutter Download PDFInfo
- Publication number
- CN202097499U CN202097499U CN 201120155271 CN201120155271U CN202097499U CN 202097499 U CN202097499 U CN 202097499U CN 201120155271 CN201120155271 CN 201120155271 CN 201120155271 U CN201120155271 U CN 201120155271U CN 202097499 U CN202097499 U CN 202097499U
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- laser head
- guide rail
- crossbeam
- pair
- rod set
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Abstract
The utility model relates to an improvement of a driving structure for the small-range movement of a laser head of a carrying type parallel numerically controlled laser cutter. The structure is lighter, the carrying type parallel numerically controlled laser cutter is more convenient to control, consequently, the operation precision is better, and moreover, an independent Z-direction driving mechanism is not needed. A crossbeam is arranged in the Y direction upon a frame, and is movably connected with a pair of X-direction guide rails; the laser head is arranged on the lower part of a laser head holder, the laser head holder is arranged on one side of the crossbeam, and a first guide rail and a second guide rail which are in parallel are arranged at an upper position and a lower position on the side of the crossbeam, which faces the laser head; a first linear driver is movably connected with the first guide rail, and a second linear driver and a third linear driver are arranged on the second guide rail; the driving motors of the linear drivers are respectively connected with a controller; a first linkage, a second linkage and a third linkage are respectively arranged on the sides of the linear drivers, which face the laser head, each of the first linkage, the second linkage and the third linkage respectively comprises a pair of rods in the same length, both ends of the rods are spherically articulated, and moreover, the two rods are always kept in parallel. The carrying type parallel numerically controlled laser cutter has the advantages of ingenious design and lighter structure.
Description
Technical field
The utility model relates to the digital control plate laser cutting machine, relates in particular to the improvement to super large breadth mounting type digital control plate laser cutting machine laser head motion Drive Structure among a small circle.
Background technology
Wide, big width laser cutting machine has the very big market application prospect, because its cutting breadth is big, so the weight of moving component is big usually, such as: the main beam monomer weight reaches the 2-3 ton, adds laser generator, water cooling unit etc., and the weight of 4-5 ton is arranged approximately.The main disadvantage that main beam weight is big is: 1, weight is big, inertia is big, makes that the dynamic responding speed of main beam motion is poor, and machining accuracy and quality are had very big influence.2, make that the rigidity of main beam structure is poor, can cause the transmission system position error big.Above-mentioned two problems make existing equipment when little hole slot of processing or local complicated shape, and precision is low, quality is low, working (machining) efficiency is low.When heavy moving parts was big, the drive system consumed power was big in the course of work, did not meet the industry requirement of current low carbon emission reduction.
For this reason; The applicant has proposed name in 2010.6.10. simultaneously to State Intellectual Property Office and has been called " a kind of laser cutting machine and method of work thereof; 201010196705.7 " and " laser cutting machine; 201020221418.2 " two patent applications, and the former and 2011.1.26. are open, publication number: CN101862909A.This innovative technology is for overcoming foregoing problems; It is employed on the laser head seat on the crossbeam and sets up X to short lead rail; Compound to motion with laser head seat with respect to the Y of crossbeam; Accomplish the motion of regional among a small circle inner laser head, and then when moving among a small circle, need not crossbeam and carry out X, reduce the use energy consumption of equipment greatly to feed motion.It can have high cut quality, high efficiency as the small breadth laser cutting machine, high accuracy, and the lower-powered effect that drive system consumes in the cutting process.
But the laser head seat structure that adopts in the aforementioned innovation means still seems comparatively huge, heavy, causes motional inertia big, and then causes running precision low; And when needs change laser head Z to height, need independent Z to driving mechanism.
Summary of the invention
The utility model provides a kind of structure more light to above problem, the control of being more convenient for, and then make running precision better, and need not the mounting type parallel connection numerical control laser cutter of independent Z to driving mechanism.
The technical scheme of the utility model is: comprise controller, have frame, workbench, crossbeam, laser head seat and the laser head of a pair of X to guide rail; Said crossbeam is Y to being arranged on frame top, and is movably connected in described a pair of X on guide rail; Said laser head is located at the laser head seat bottom, and said laser head seat is located at a side of said crossbeam,
Go to upper and lower the position towards the side of the first side of said laser at said crossbeam and be provided with parallel guide rail one and guide rail two; Be connected with linear actuating device one on the said guide rail one, on guide rail two, be provided with linear actuating device two and linear actuating device three; The drive motors of said each linear actuating device connects said controller respectively;
On the side of said laser head, be respectively equipped with connection rod set one, connection rod set two and connection rod set three at each said linear actuating device; It is that the hinged rod member of bulb constitutes that connection rod set one, two, three has the identical two ends of a pair of length respectively, and two rod members remain parallel.
The a pair of rod member of said formation connection rod set one is on the same vertical guide.
The a pair of rod member of said formation connection rod set two is in the same plane with a pair of rod member that constitutes connection rod set three.
The laser head seat that the utility model is light and handy with structure is passed through the connection rod set " lift-launch " of three groups " parallel connections " on crossbeam; Organize the rectilinear motion of the lift-launch carrier (that is: linear actuating device) of connecting rod through each, in two dimensional surface or three dimensions, move through each connecting rod driving laser headstock with respect to the different parameters (speed, stroke etc.) of crossbeam.And what adopt between each linear actuating device and the laser head seat is a pair of rod member ball-joint, has constituted quadric chain (being the connection rod set one ~ three in the utility model); When realizing laser head X, Y, three direction translationals of Z, limited rotational freedom again, be X, Y, Z three (linearity) free degree kinematic system around three directions of X, Y, Z axle.Simultaneously, the three-degree-of-freedom motion system solved effectively laser head Z to motion drive.The utility model exquisite composition, structure are more light, the control of being more convenient for, and then make running precision better, and need not independent Z to driving mechanism; Be adapted at using on the high precision numerical control laser cutting machine.
Description of drawings
Fig. 1 is the structural representation of the utility model;
1 is plate among the figure, the 2nd, and frame, the 3rd, crossbeam, the 31st, guide rail one, 32nd, guide rail two, 4th, laser head seat, the 5th, linear actuating device one, 50th, connection rod set one, 6th, linear actuating device two, 60th, connection rod set two, 7th, linear actuating device three, 70th, connection rod set three.
Fig2.1 among Fig. 2 is that the utility model user mode is with reference to figure one;
Fig2.2 among Fig. 2 is the vertical view of Fig2.1;
Fig3.1 among Fig. 3 is that the utility model user mode is with reference to figure two;
Fig3.2 among Fig. 3 is the vertical view of Fig3.1;
Fig4.1 among Fig. 4 is that the utility model user mode is with reference to figure three;
Fig4.2 among Fig. 4 is the vertical view of Fig4.1;
All be provided with reference frame among each figure of Fig. 2-4.
The specific embodiment
The utility model is as shown in Figure 1, comprises controller, has frame 2, workbench, crossbeam 3, laser head seat 4 and the laser head of a pair of X to guide rail; Said crossbeam 3 is Y to being arranged on frame 2 tops, and is movably connected in described a pair of X on guide rail; Said laser head is located at laser head seat 4 bottoms, and said laser head seat 4 is located at a side of said crossbeam 3,
Go to upper and lower the position towards the side of the first side of said laser at said crossbeam 3 and be provided with parallel guide rail 1 and guide rail 2 32; Be connected with linear actuating device 1 on the said guide rail 1, on guide rail 2 32, be provided with linear actuating device 26 and linear actuating device 37; The drive motors of said each linear actuating device 5,6,7 connects said controller respectively;
On the side of said laser head, be respectively equipped with connection rod set 1, connection rod set 2 60 and connection rod set 3 70 at each said linear actuating device 5,6,7; It is that the hinged rod member of bulb constitutes that connection rod set one 50,2 60,3 70 has the identical two ends of a pair of length respectively, and two rod members remain parallel.Specifically: an end of connection rod set 1, connection rod set 2 60 and connection rod set 3 70 links to each other through the said linear actuating device 5,6,7 of bulb articulated structure and each respectively; The other end of connection rod set 1, connection rod set 2 60 and connection rod set 3 70 is connected said laser head seat 4 on the side of said crossbeam 3 through the bulb articulated structure respectively.Thereby make and form a parallelogram between connection rod set and the laser head seat on each linear actuating device.And then constituted " parallel connection " structure.
The a pair of rod member of said formation connection rod set 1 is on the same vertical guide.
The a pair of rod member of said formation connection rod set 2 60 is in the same plane with a pair of rod member that constitutes connection rod set 3 70.
Because each rod member is a rigidity; Length can not change; But the task of the utility model is to utilize these three groups, six rods driving laser headstock 4 in two dimension or three-dimensional, to move; Therefore, realize that this task need be realized by the motion of linear actuating device 1, linear actuating device 26 and linear actuating device 37 different parameters on guide rail 1, guide rail 2 32.
Specify the course of work of the utility model below in conjunction with each motion state:
Like first kind of user mode of the utility model that Fig2.1, Fig2.2 showed among Fig. 2; Laser head is arranged in figure a bit.Like second kind of user mode of the utility model that Fig3.1, Fig3.2 showed among Fig. 3; The laser head position with respect to position among Fig. 2 left lower direction changed, and can clearly show linear actuating device 1, linear actuating device 26 and linear actuating device 37 among the figure and changed with respect to the position of crossbeam upper rail.
Like the third user mode of the utility model that Fig4.1, Fig4.2 showed among Fig. 4, plate 1 wherein is the different plate of thickness (as for guaranteeing positioning accuracy, can earlier parts be welded on the plate 1, cut).The improper processing in such cases of laser cutting machine in the past.But the laser cutting machine of the utility model because three groups of connecting rods can be realized the motion of laser head seat in three dimensions, makes can change Z at any time to height, realizes the processing of different-thickness plate online.
The operation principle of the utility model is:
Main beam motion when cutting the first, on a large scale.
Mainly rely on U1, U2, three linkages of U3 to accomplish when the second, local detail cuts.Wherein U1, U2, U3 are respectively connection rod set 1, connection rod set 2 60, connection rod set 3 70.
Three,, accomplish X to cutting head (laser head), Y, Z control to motion through the motion of U1, U2, three coordinates of U3.
Four, each linear drives has all adopted parallel quadric chain; And each connecting rod two ends all adopts ball-type hinged; Its purpose is exactly realization laser head X, Y, Z has limited the rotation around three directions of X, Y, Z axle again in the time of three direction translationals, is system with 3 degrees of freedom.
Five, regard the coordinate position of three linear drives U1, U2, U3 as a vector, (U3) T representes for U1, U2, regards the coordinate of cutting head X, Y, Z in the position in space as a vector, with (Z) T representes for X, Y with vector.Its essence is exactly through a coordinate transform, will (X, Y, Z) T convert into (U1, U2, U3) T, transfer equation is:
[J]
=
; Wherein matrix [J] is about vector (U1; U2, U3) Jacobian matrix of the position of T.
In effective working region, the order of transition matrix [J] is not equal to 0, thus this equation separate that (Z) T has uniqueness for X, Y.Be any certain location U1, U2, U3, position X, Y, the Z of a laser head of always corresponding displacement guarantee to accomplish the control to X, Y, Z through the motion of U1, U2, U3 with this.
The utility model has the advantages that: simple in structure, rapid dynamic response speed, precision is high, and is flexible good.Simultaneously, in conjunction with the motion of main beam, can be implemented in the high speed in the big cutting breadth, high-precision cutting.
Claims (3)
1. mounting type parallel connection numerical control laser cutter comprises controller, has frame, workbench, crossbeam, laser head seat and the laser head of a pair of X to guide rail; Said crossbeam is Y to being arranged on frame top, and is movably connected in described a pair of X on guide rail; Said laser head is located at the laser head seat bottom, and said laser head seat is located at a side of said crossbeam, it is characterized in that,
Go to upper and lower the position towards the side of the first side of said laser at said crossbeam and be provided with parallel guide rail one and guide rail two; Be connected with linear actuating device one on the said guide rail one, on guide rail two, be provided with linear actuating device two and linear actuating device three; The drive motors of said each linear actuating device connects said controller respectively;
On the side of said laser head, be respectively equipped with connection rod set one, connection rod set two and connection rod set three at each said linear actuating device; It is that the hinged rod member of bulb constitutes that connection rod set one, two, three has the identical two ends of a pair of length respectively, and two rod members remain parallel.
2. mounting type parallel connection numerical control laser cutter according to claim 1 is characterized in that a pair of rod member of said formation connection rod set one is on the same vertical guide.
3. mounting type parallel connection numerical control laser cutter according to claim 1 is characterized in that a pair of rod member of said formation connection rod set two is in the same plane with a pair of rod member that constitutes connection rod set three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120155271 CN202097499U (en) | 2011-05-16 | 2011-05-16 | Carrying type parallel numerically controlled laser cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120155271 CN202097499U (en) | 2011-05-16 | 2011-05-16 | Carrying type parallel numerically controlled laser cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202097499U true CN202097499U (en) | 2012-01-04 |
Family
ID=45383532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120155271 Expired - Fee Related CN202097499U (en) | 2011-05-16 | 2011-05-16 | Carrying type parallel numerically controlled laser cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202097499U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211252A (en) * | 2011-05-16 | 2011-10-12 | 江苏扬力数控机床有限公司 | Mounting-type parallel numerical control laser cutting machine |
| CN102689124A (en) * | 2012-06-11 | 2012-09-26 | 常熟理工学院 | Large-width cutting machine of compound parallel connection mechanism |
-
2011
- 2011-05-16 CN CN 201120155271 patent/CN202097499U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211252A (en) * | 2011-05-16 | 2011-10-12 | 江苏扬力数控机床有限公司 | Mounting-type parallel numerical control laser cutting machine |
| CN102211252B (en) * | 2011-05-16 | 2016-03-30 | 江苏扬力数控机床有限公司 | A kind of mounting-type parallel numerical control laser cutting machine |
| CN102689124A (en) * | 2012-06-11 | 2012-09-26 | 常熟理工学院 | Large-width cutting machine of compound parallel connection mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20170516 |