CN204849444U - High -speed laser mirror cutting machine that shakes - Google Patents
High -speed laser mirror cutting machine that shakes Download PDFInfo
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- CN204849444U CN204849444U CN201520528026.3U CN201520528026U CN204849444U CN 204849444 U CN204849444 U CN 204849444U CN 201520528026 U CN201520528026 U CN 201520528026U CN 204849444 U CN204849444 U CN 204849444U
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- laser
- camera
- galvanometer
- cutting machine
- cutting
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- 238000005520 cutting process Methods 0.000 title claims abstract description 69
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000004744 fabric Substances 0.000 claims abstract description 25
- 238000003698 laser cutting Methods 0.000 claims abstract description 24
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 21
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000033001 locomotion Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 12
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000010330 laser marking Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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- Laser Beam Processing (AREA)
Abstract
The utility model discloses a high -speed laser mirror cutting machine that shakes. High -speed laser mirror cutting machine that shakes is including camera device, laser cutting machine, feeder and control terminal machine, camera device includes camera pedestal and camera, and laser cutting machine includes carbon dioxide laser, the camera lens that shakes, cross rail, cannelure and drive mechanism, the control terminal press packed bale is drawn together camera unit, is markd unit, image processing unit, matching unit, positioning controller and model storehouse. The utility model provides the high yield of product has realized that the deformation of image is matchd, has solved the difficult problem that feeding tension leads to the breadth cloth to warp. Reduce the repeated stroke of the camera lens that shakes by a wide margin, improved laser cutting efficiency.
Description
Technical field
The utility model relates to cloth cutting processing technical field, relates in particular to a kind of high-rate laser galvanometer cutting machine.
Background technology
Along with the continuous progress of technology, the hand cut processing method adopted in traditional cloths cutting processing streamline because the individual difference XOR fatigue conditions error that may occur or mistake gradually replace by laser cutting device.Generally galvanometer device is adopted in current laser marking industry.
Current traditional galvanometer device is mainly used in laser marking industry, and galvanometer head has maintained static mark operation; On the other hand, miniature laser diced system is on laser cutting head, install 130W industrial camera, and often cut a flower pattern and will extract sample and process once, namely can only cut an example edition, operating efficiency is extremely low at every turn.Occurred large format vision laser cutting machine in the market, but single laser head can only be used to cut, cutting efficiency is comparatively low.But also exist because to be rotated during charging or the tension force of draw direction causes breadth cloth to be out of shape, to cause cutting inaccurate problem.
, to walk abreast cutting mode in the urgent need to a kind of various version newly for this reason, realize multiple galvanometer head and cut different pattern simultaneously, correct cloth tension distortion, improve cutting efficiency.The develop rapidly of high speed large format galvanometer machine vision technique provides new approaches for we solve the problem, and more the transition and upgrade of traditional industries specifies direction.
Utility model content
For solving the problem, the utility model provides a kind of high-rate laser galvanometer cutting machine.
Its concrete technical scheme adopted is as follows:
A kind of high-rate laser galvanometer cutting machine, comprises camera head, laser cutting machine, feeder and control terminal machine; Described feeder is for carrying cloth to be cut; Described camera head comprises camera pedestal and video camera, and described video camera is fixed on camera pedestal, and described position for video camera is directly over feeder; Described laser cutting machine comprises carbon dioxide laser, galvanometer head, cross rail, cannelure and transmission mechanism; Described transmission mechanism comprises screw mandrel, slide block and stepper motor; Described carbon dioxide laser is emitted to cloth to be cut for generation of cutting laser, described galvanometer head for deflecting this cutting laser and controlling it, and described galvanometer head has two and is parallelly installed on described cross rail; Described stepper motor has two, and with described galvanometer head one_to_one corresponding, each galvanometer head does transverse movement along cross rail respectively under the driving stepper motor of correspondence; Described cross rail under the effect of screw mandrel and slide block longitudinally groove travel longitudinally; Described control terminal machine controls transmission mechanism and drives described galvanometer head to move to correspondence position to carry out laser cutting to the cloth to be cut that feeder is carried.
By adopting this technological means: in conjunction with machine vision, solve the problem that in prior art, large format diced system various edition cutting efficiency is low; By weakening artificial effect in cutting process, greatly improve the yield rate of product.Realize the motion cutting of laser head in x-axis, y-axis, and achieve two galvanometer heads, in same level, synchronous laser cutting is carried out to the different pattern on cloth.Significantly decrease the repetition stroke of galvanometer head relative to conventional art, improve the laser cutting efficiency of four times.
Preferably, in above-mentioned high-rate laser galvanometer cutting machine: described control terminal machine comprises image unit, demarcates unit, graphics processing unit, matching unit, motion control unit and model storehouse; Described model storehouse is for storing the product model write in advance; Described image unit treats cutting cloth photograph for controlling video camera, and the image photographed is sent to demarcation unit and graphics processing unit; Described demarcation unit is for accepting the image of image unit input and demarcating the parameter of this image and correct, be cutting coordinate image parameter by the parameter of this image by camera image Parameter Switch, and this cutting coordinate image parameter is sent to graphics processing unit and matching unit; Image unit, for accepting the image of image unit input and demarcating the cutting coordinate image parameter of unit input, to send become gray-scale map with image procossing and carry out edge enhancing and contrast stretching process and the image after processing is sent to matching unit with reference to this cutting coordinate image parameter by described graphics processing unit; The image of described matching unit after the process receiving graphics processing unit input and demarcate the cutting coordinate image parameter of unit input and read model storehouse and parallel on large format multiple model to be mated, after mate, trajectory coordinates information is cut in the output obtained and be sent to motion control unit; Described motion control unit is for receiving the cutting track coordinate information of matching unit input, according to the work of this cutting track coordinate information driving laser cutting machine, make described galvanometer head move to correspondence position by control transmission mechanism and laser cutting is carried out to the cloth to be cut that feeder is carried.
Thus, utilize the cooperation of each functional unit of control terminal machine to realize the distortion coupling of image, realize the distortion coupling in certain distortion range scale, solve the difficult problem that feed tension causes breadth cloth to be out of shape.
Preferably, in above-mentioned high-rate laser galvanometer cutting machine: described graphics processing unit is written with model in advance and detects and profile Processing Algorithm, described model detects with profile Processing Algorithm for extracting exterior contour and the internal feature locating information of each model, and the exterior contour of corresponding model and internal feature locating information are sent to matching unit; Described matching unit writes based on outline line form fit algorithm in advance; Should switch between non-deformed match pattern and distortion match pattern based on outline line form fit algorithm; Described non-deformed match pattern only changes the direction of corresponding model and position to the image after the process of mating the input of described graphics processing unit; Described distortion match pattern not only changes direction and the position of corresponding model, and to be expert at given zoom factor on column direction, image after the stretching free degree given compared with large regions by stress and the anglec of rotation carry out the process that matching image processing unit inputs by changing model.
It is further preferred that in above-mentioned high-rate laser galvanometer cutting machine: described galvanometer head comprises beam expanding lens, the first rotating shaft mirror, the second rotating shaft mirror and laser field lens; Described motion control unit controls the first rotating shaft mirror in real time and the second rotating shaft mirror rotates; The cutting laser of described carbon dioxide laser injection, expands through beam expanding lens successively, the first rotating shaft mirror first time reflected, the second rotating shaft mirror second time reflects, arrives laser field lens and gone out by laser field mirror.
By adopting this technological means: realize galvanometer head along in the both direction at the first rotating shaft mirror and the second rotating shaft mirror place to the fine setting of cutting laser travel direction.Improve diversity and the flexibility of laser cutting further.
It is further preferred that in above-mentioned high-rate laser galvanometer cutting machine: also comprise lighting apparatus, described lighting apparatus is positioned at directly over feeder, for the described feeder that throws light on; Described lighting apparatus adopts totally-enclosed seal light source, and described control terminal machine comprises lighting control unit, and described lighting control unit is for controlling described lighting apparatus On/Off and brightness regulation.
By adopting this technological means: utilize lighting unit to provide sufficient illumination to the cloth to be cut that feeder is carried, enable image unit shoot the picture rich in detail of cloth to be cut.
Further preferably, in above-mentioned high-rate laser galvanometer cutting machine: also comprise water cooling plant, described water cooling plant connects carbon dioxide laser, for providing water-cooled for described carbon dioxide laser.
By adopting this technological means: utilize water cooling plant to provide circulating water to cool carbon dioxide laser, thus ensure that carbon dioxide laser can continuous operation for a long time.
Further preferably, in above-mentioned high-rate laser galvanometer cutting machine: described lighting apparatus is any one in bar-shaped LED light source, diffuse reflection LED light source, annular LED light source; The light source tone of described lighting apparatus adopts the interval of ruddiness and white light to arrange; Described video camera is any one in slr camera, industrial camera, micro-one camera.
By adopting this technological means: utilize ruddiness and the spaced apart light source of white light to select, the color for difference cloth to be cut farthest improves the contrast of tone light.
Utilize the high-rate laser galvanometer cutting method step of above-mentioned high-rate laser galvanometer cutting machine as follows:
S1: start feeder and control terminal machine, carry cloth to be cut with feeder, controls video camera with image unit and treats cutting cloth photograph, and the image photographed is sent to demarcation unit and graphics processing unit;
S2: demarcate unit accept image unit input image, demarcate to demarcate the parameter of unit to this image and correct, be cutting coordinate image parameter by the parameter of this image by camera image Parameter Switch, and this cutting coordinate image parameter is sent to graphics processing unit and matching unit;
S3: graphics processing unit accept image unit input image and demarcate unit input cutting coordinate image parameter, image unit sent become gray-scale map with image procossing and carry out edge enhancing and contrast stretching process and the image after process is sent to matching unit with reference to this cutting coordinate image parameter with graphics processing unit;
S4: the image after matching unit receives the process of graphics processing unit input and demarcate unit input cutting coordinate image parameter, simultaneously read in model storehouse store sample, parallel on large format multiple model to be mated, after mate, trajectory coordinates information is cut in the output obtained and be sent to motion control unit;
S5: motion control unit receives the cutting track coordinate information of matching unit input, according to this cutting track coordinate information, start carbon dioxide laser launch cutting laser and control transmission mechanism work, control described galvanometer head, at correspondence position, laser cutting is carried out to the cloth to be cut that feeder is carried.
Compared with prior art, the utility model improves the yield rate of product, achieves the distortion coupling of image, solves the difficult problem that feed tension causes breadth cloth to be out of shape.Significantly decrease the repetition stroke of galvanometer head, improve laser cutting efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1, omits lighting apparatus and transmission mechanism are shown in this figure;
Fig. 2 is the view after Fig. 1 half-twist, eliminates feeder in this figure, and manifests in Fig. 1 the carbon dioxide laser be hidden in fuselage.
Fig. 3 is the structural representation of this galvanometer head of Fig. 1;
Fig. 4 is the structural relation schematic diagram of control terminal machine in Fig. 1;
Fig. 5 is the workflow schematic diagram of the utility model embodiment 1.
In above-mentioned accompanying drawing, the corresponding relation of each parts and Reference numeral is as follows:
1, camera head; 2, laser cutting machine; 3, feeder; 4, control terminal machine; 5, water cooling plant; 11, camera pedestal; 12, video camera; 21, carbon dioxide laser; 22, galvanometer head; 23, cross rail; 24, cannelure; 41, image unit; 42, unit is demarcated; 43, graphics processing unit; 44, matching unit; 45, motion control unit; 46, model storehouse; 47, lighting control unit; 221, beam expanding lens; 222, the first rotating shaft mirror; 223, the second rotating shaft mirror; 224, laser field lens.
Detailed description of the invention
In order to be illustrated more clearly in the technical solution of the utility model, below in conjunction with accompanying drawing, the utility model is further described.
The utility model embodiment 1 as Figure 1-5:
A kind of high-rate laser galvanometer cutting machine, comprises camera head 1, laser cutting machine 2, feeder 3, control terminal machine 4, water cooling plant 5 and lighting apparatus.Wherein, described feeder 3 is for carrying cloth to be cut; Described camera head 1 comprises camera pedestal 11 and video camera 12, and described video camera 12 is fixed on camera pedestal 11, and described video camera 12 is positioned at directly over feeder 3.Described laser cutting machine 2 comprises carbon dioxide laser 21, galvanometer head 22, cross rail 23, cannelure 24 and transmission mechanism.Wherein, described transmission mechanism comprises screw mandrel, slide block and stepper motor; The power output of described carbon dioxide laser 21 is 80 ~ 400w, is emitted to cloth to be cut for generation of cutting laser, described galvanometer head 22 for deflecting this cutting laser and controlling it.Described galvanometer head 22 comprises beam expanding lens 221, first rotating shaft mirror 222, second rotating shaft mirror 223 and laser field lens 224; Described motion control unit 45 controls the first rotating shaft mirror 221 in real time and the second rotating shaft mirror 222 rotates; The cutting laser that described carbon dioxide laser 21 penetrates, expands through beam expanding lens 221 successively, the first rotating shaft mirror 222 first time reflected, the second rotating shaft mirror 223 second time reflects, arrives laser field lens 224 and penetrated by laser field lens 224.Described galvanometer head 22 has two and to be parallelly installed on described cross rail 23.Described stepper motor has two, and with described galvanometer head 22 one_to_one corresponding, two galvanometer heads 22 do transverse movement along cross rail 23 respectively under the driving stepper motor of correspondence; And described cross rail 23 under the effect of screw mandrel and slide block longitudinally groove 23 travel longitudinally; Described water cooling plant 5 connects carbon dioxide laser 21, for providing water-cooled for described carbon dioxide laser 21.Described lighting apparatus is positioned at directly over feeder 3, for the feeder 3 that throws light on; Described lighting apparatus adopts totally-enclosed seal light source, specifically, adopts any one in bar-shaped LED light source, diffuse reflection LED light source, annular LED light source; The light source tone of described lighting apparatus adopts the interval of ruddiness and white light to arrange.Described control terminal machine 4 comprises image unit 4, demarcates unit 42, graphics processing unit 43, matching unit 44, motion control unit 45, model storehouse 46 and lighting control unit 47.Described lighting control unit 47 is for the adjustment of the On/Off and brightness of illumination that control lighting apparatus.Described model storehouse 46 is for storing the product model write in advance; Described image unit 41 treats cutting cloth photograph for controlling video camera 12, and the image photographed is sent to demarcation unit 42 and graphics processing unit 43; Described demarcation unit 42 is for accepting the image of image unit 41 input and demarcating the parameter of this image and correct, be cutting coordinate image parameter by the parameter of this image by camera image Parameter Switch, and this cutting coordinate image parameter is sent to graphics processing unit 43 and matching unit 44; Write model in described graphics processing unit 43 in advance to detect and profile Processing Algorithm, extract the exterior contour of each model and internal feature locating information, graphics processing unit 4 accepts image that image unit 41 inputs and demarcate the cutting coordinate image parameter that unit 42 inputs, image unit 41 sent become gray-scale map with image procossing and carry out edge enhancing and contrast stretching process and the image after process is sent to matching unit 44 with reference to this cutting coordinate image parameter; And the exterior contour of corresponding model and internal feature locating information are sent to matching unit 44.Described matching unit 44 writes based on outline line form fit algorithm in advance; Should switch between non-deformed match pattern and distortion match pattern based on outline line form fit algorithm, the image after matching unit 44 receives the process that graphics processing unit 43 inputs and demarcate cutting coordinate image parameter that unit 42 inputs, read model storehouse 46, parallel on large format multiple model to be mated, after mate, trajectory coordinates information cut in the output obtained and be sent to motion control unit 45; Described motion control unit 45 receives the cutting track coordinate information that matching unit 44 inputs, work according to this cutting track coordinate information driving laser cutting machine 2, control galvanometer head 21 moves to the to be cut cloth of correspondence position to conveying on feeder 3 and carries out laser cutting.
In practice: first image unit 41 is handled video camera 12 and taken pictures, read in the template file of required cutting simultaneously; Then, call the image of graphics processing unit 43 to shooting and process, and extract its inside and outside contour feature, matching unit 44 utilizes these contour features, first calls non-deformed match pattern and carries out operating without the coarse positioning of distortion coupling.After coarse positioning completes, call distortion matching algorithm again, each template print profile is located and straightening accurately, finally becomes control signal to be transferred to kinetic control system 45 obtained output cutting trajectory coordinates information coding, carry out actual cutting operation by motion control.After using distortion matching algorithm to correct, rotation and tensile deformation all obtain good rectification, can meet existing large format split requirement completely.
The above; be only specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; the technical staff of any skilled is in technical scope disclosed in the utility model; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with the protection domain of claims.
Claims (6)
1. a high-rate laser galvanometer cutting machine, comprises camera head (1), laser cutting machine (2), feeder (3) and control terminal machine (4);
It is characterized in that: described feeder (3) is for carrying cloth to be cut; Described camera head (1) comprises camera pedestal (11) and video camera (12), and described video camera (12) is fixed on camera pedestal (11), and described video camera (12) is positioned at directly over feeder (3); Described laser cutting machine (2) comprises carbon dioxide laser (21), galvanometer head (22), cross rail (23), cannelure (24) and transmission mechanism; Described transmission mechanism comprises screw mandrel, slide block and stepper motor; Described carbon dioxide laser (21) is emitted to cloth to be cut for generation of cutting laser, described galvanometer head (22) for deflecting this cutting laser and controlling it, and described galvanometer head (22) has two and is parallelly installed on described cross rail (23); Described stepper motor has two, and with described galvanometer head (22) one_to_one corresponding, each galvanometer head (22) does transverse movement along cross rail (23) respectively under the driving stepper motor of correspondence; Described cross rail (23) under the effect of screw mandrel and slide block longitudinally groove (23) travel longitudinally; Described control terminal machine (4) controls transmission mechanism to be made described galvanometer head (21) move to the to be cut cloth of correspondence position to the upper conveying of feeder (3) to carry out laser cutting.
2. a kind of high-rate laser galvanometer cutting machine as claimed in claim 1, is characterized in that: described galvanometer head (22) comprises beam expanding lens (221), the first rotating shaft mirror (222), the second rotating shaft mirror (223) and laser field lens (224); Described motion control unit (45) controls the first rotating shaft mirror (221) in real time and the second rotating shaft mirror (222) rotates; The cutting laser that described carbon dioxide laser (21) penetrates, expands through beam expanding lens (221) successively, the first rotating shaft mirror (222) first time reflected, the second rotating shaft mirror (223) second time reflects, arrives laser field lens (224) and penetrated by laser field lens (224).
3. a kind of high-rate laser galvanometer cutting machine as claimed in claim 2, it is characterized in that: also comprise lighting apparatus, described lighting apparatus is positioned at directly over feeder (3), for the described feeder (3) that throws light on; Described lighting apparatus adopts totally-enclosed seal light source, and described control terminal machine (4) comprises lighting control unit (47), and described lighting control unit (47) is for controlling described lighting apparatus On/Off and brightness regulation.
4. a kind of high-rate laser galvanometer cutting machine as claimed in claim 3, is characterized in that: also comprise water cooling plant (5), and described water cooling plant (5) connects carbon dioxide laser (21), for providing water-cooled for described carbon dioxide laser (21).
5. a kind of high-rate laser galvanometer cutting machine as claimed in claim 4, is characterized in that: described lighting apparatus is any one in bar-shaped LED light source, diffuse reflection LED light source, annular LED light source; The light source tone of described lighting apparatus adopts the interval of ruddiness and white light to arrange.
6. a kind of high-rate laser galvanometer cutting machine as claimed in claim 5, is characterized in that: described video camera (12) is slr camera, any one in industrial camera, micro-one camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520528026.3U CN204849444U (en) | 2015-07-21 | 2015-07-21 | High -speed laser mirror cutting machine that shakes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520528026.3U CN204849444U (en) | 2015-07-21 | 2015-07-21 | High -speed laser mirror cutting machine that shakes |
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| Publication Number | Publication Date |
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| CN204849444U true CN204849444U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520528026.3U Expired - Fee Related CN204849444U (en) | 2015-07-21 | 2015-07-21 | High -speed laser mirror cutting machine that shakes |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018113565A1 (en) * | 2016-12-20 | 2018-06-28 | 深圳信息职业技术学院 | Laser processing system and method based on machine vision |
| CN113168163A (en) * | 2018-11-16 | 2021-07-23 | 北面服饰公司 | System and method for end-to-end item management |
-
2015
- 2015-07-21 CN CN201520528026.3U patent/CN204849444U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018113565A1 (en) * | 2016-12-20 | 2018-06-28 | 深圳信息职业技术学院 | Laser processing system and method based on machine vision |
| CN113168163A (en) * | 2018-11-16 | 2021-07-23 | 北面服饰公司 | System and method for end-to-end item management |
| CN113168163B (en) * | 2018-11-16 | 2022-10-28 | 北面服饰公司 | System and method for cut alignment |
| US11714399B2 (en) | 2018-11-16 | 2023-08-01 | The North Face Apparel Corp. | Systems and methods for end-to-end article management |
| US11899435B2 (en) | 2018-11-16 | 2024-02-13 | The North Face Apparel Corp. | Systems and methods for end-to-end article management |
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| 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: 20151209 |