CN113579522A - Intelligent anti-collision device, anti-collision laser cutting head and using method thereof - Google Patents
Intelligent anti-collision device, anti-collision laser cutting head and using method thereof Download PDFInfo
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- CN113579522A CN113579522A CN202110891524.4A CN202110891524A CN113579522A CN 113579522 A CN113579522 A CN 113579522A CN 202110891524 A CN202110891524 A CN 202110891524A CN 113579522 A CN113579522 A CN 113579522A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The invention provides an intelligent anti-collision device which comprises a mechanical anti-collision mechanism and an ultrasonic anti-collision mechanism, wherein the mechanical anti-collision mechanism comprises an anti-collision frame, a spring assembly, a mounting bracket assembly and a displacement sensor, the anti-collision frame is fixed on the mounting bracket assembly through the spring assembly, the displacement sensor is arranged on the mounting bracket assembly, a displacement sensor connecting rod is fixedly connected with the anti-collision frame, a first hole for laser to penetrate through is formed in the anti-collision frame, the ultrasonic anti-collision mechanism is positioned above the mechanical anti-collision mechanism, the ultrasonic anti-collision mechanism comprises a mounting plate and an ultrasonic sensor, the ultrasonic sensor is arranged on the mounting plate, and a second hole for laser to penetrate through is formed in the mounting plate. The invention further provides the anti-collision laser cutting head. The invention further provides a using method of the anti-collision laser cutting head.
Description
Technical Field
The invention relates to the technical field of laser cutting, in particular to an intelligent anti-collision device, an anti-collision laser cutting head and a using method thereof.
Background
Traditional laser cutting machine is at the in-process of cutting the work piece, need face various complicated operating modes, laser cutting head has certain collision risk, for example, panel is heated deformation in the course of working and takes place the warpage, the work piece perk of cutting completion, the part height that waits to cut is too high or material thickness transfinites, operating personnel maloperation, the accident that laser cutting head collided can take place for the probability all in the above-mentioned condition, equipment safety can't guarantee completely, undoubtedly can increase the production risk of enterprise, still can lead to enterprise's shut down and shut down, bring the loss that can not estimate.
Therefore, need provide a laser cutting head with intelligence collision device, effectively avoid the incident because of the laser cutting head collision produces, guarantee equipment safety, reduce the risk, reduce unexpected loss.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides an intelligent anti-collision device, an anti-collision laser cutting head and a using method thereof, and at least solves part of problems in the prior art.
The invention is realized by the following steps:
the invention provides an intelligent anti-collision device which comprises a mechanical anti-collision mechanism and an ultrasonic anti-collision mechanism, wherein the mechanical anti-collision mechanism comprises an anti-collision frame, a spring assembly, a mounting bracket assembly and a displacement sensor, the anti-collision frame is fixed on the mounting bracket assembly through the spring assembly, the displacement sensor is arranged on the mounting bracket assembly, a displacement sensor connecting rod is fixedly connected with the anti-collision frame, a first hole for laser to penetrate through is formed in the anti-collision frame, the ultrasonic anti-collision mechanism is positioned above the mechanical anti-collision mechanism, the ultrasonic anti-collision mechanism comprises a mounting plate and an ultrasonic sensor, the ultrasonic sensor is arranged on the mounting plate, and a second hole for laser to penetrate through is formed in the mounting plate.
Preferably, the spring assembly comprises two first springs and two second springs, the mounting bracket assembly comprises two first mounting brackets and two second mounting brackets, the springs and the mounting brackets are in one-to-one correspondence, the upper ends of the first springs are fixed on the first mounting brackets, and the upper ends of the second springs are fixed on the second mounting brackets.
Preferably, the intelligent anti-collision device further comprises an upper spring fixing block and a lower spring fixing block, the upper end of the first spring is fixed on the first mounting bracket through the upper spring fixing block, the upper end of the second spring is fixed on the second mounting bracket through the upper spring fixing block, the lower end of the first spring is fixed on the anti-collision frame through the lower spring fixing block, and the lower end of the second spring is fixed on the anti-collision frame through the lower spring fixing block.
Preferably, the displacement sensor is a spring self-resetting type displacement sensor.
Preferably, the lower end of the displacement sensor connecting rod is fixedly connected with the anti-collision frame through a displacement sensor connecting rod fixing block.
Preferably, the ultrasonic sensor is fixed to the mounting plate by a spacer and a lock nut.
The invention provides an anti-collision laser cutting head which comprises a sliding seat fixing seat, a sliding seat, a laser cutting head and the intelligent anti-collision device, wherein a mechanical anti-collision mechanism, an ultrasonic anti-collision mechanism and the laser cutting head are all fixed on the sliding seat, the sliding seat is slidably mounted on the sliding seat fixing seat, the mechanical anti-collision mechanism is positioned below the laser cutting head, and the ultrasonic anti-collision mechanism is fixedly arranged between the laser cutting head and the mechanical anti-collision mechanism.
The invention provides a using method of an anti-collision laser cutting head, which comprises the following steps: when an obstacle appears on a movement path of a laser cutting head in the working process of the laser cutting machine, firstly, an ultrasonic sensor in an ultrasonic anti-collision mechanism measures the distance of the obstacle through ultrasonic ranging, when the distance between the laser cutting head and the obstacle reaches a critical value, a signal is fed back to a control system, the control system carries out emergency stop on the laser cutting head, when the ultrasonic anti-collision mechanism does not detect the obstacle or fails, a mechanical anti-collision mechanism is positioned outside the laser cutting head, an anti-collision frame is in direct contact with the obstacle, the anti-collision frame is suspended on a first mounting bracket and a second mounting bracket through springs and generates displacement under the action of external force, the lower end of a connecting rod of a displacement sensor is fixedly connected with the anti-collision frame, the displacement is transmitted to the displacement sensor through the connecting rod of the displacement sensor, and the signal is fed back to the control system, and the control system performs emergency stop on the laser cutting head.
The invention has the following beneficial effects:
the mechanical anti-collision mechanism, the ultrasonic anti-collision mechanism and the laser cutting head are fixed on the sliding seat together. Mechanical type anticollision mechanism's crashproof frame is located the laser cutting head outside, when will bumping, the crashproof frame takes place mechanical contact earlier and produces the displacement, displacement sensor receives the displacement back, feeds back to control system to scram laser cutting head avoids the collision, and ultrasonic sensor can monitor the distance of barrier around the laser cutting head simultaneously, and when probably bumping, the distance value reaches the critical value, and signal feedback gives control system, thereby scram laser cutting head avoids the collision. The mechanical anti-collision mechanism and the ultrasonic anti-collision mechanism can independently and cooperatively realize the anti-collision function of the laser cutting head, thereby effectively avoiding safety accidents caused by collision of the laser cutting head, ensuring the safety of equipment, reducing risks and reducing accidental losses.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of an anti-collision laser cutting head provided by an embodiment of the present invention;
fig. 2 is a schematic diagram of a mechanical collision avoidance mechanism provided in an embodiment of the present invention;
fig. 3 is a schematic diagram of an ultrasonic anti-collision mechanism according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 3, an embodiment of the present invention provides an intelligent anti-collision device, including a mechanical anti-collision mechanism 400 and an ultrasonic anti-collision mechanism 500, where the mechanical anti-collision mechanism 400 includes an anti-collision rim 401, a spring assembly, a mounting bracket assembly and a displacement sensor 406, the anti-collision rim 401 is fixed on the mounting bracket assembly through the spring assembly, the displacement sensor 406 is installed on the mounting bracket assembly, a displacement sensor connecting rod 407 is fixedly connected to the anti-collision rim 401, a first opening 505 for laser to pass through is formed in the anti-collision rim 401, the anti-collision rim 401 is located outside a laser cutting head 300, and plays a role of protection, when a collision occurs, the anti-collision rim 401 first makes mechanical contact to generate displacement, and the displacement sensor 406 receives the displacement and feeds back the displacement to a cutting head control system, so as to stop the laser cutting head 300 urgently to avoid collision, the ultrasonic anti-collision mechanism 500 is located above the mechanical anti-collision mechanism 400, the ultrasonic anti-collision mechanism 500 comprises an installation plate 501 and an ultrasonic sensor 502, the installation plate 501 is fixedly arranged at the lower end of the sliding seat 200, the ultrasonic sensor 502 is arranged on the installation plate 501, the ultrasonic sensor 502 can monitor the distance of obstacles around the laser cutting head 300, when collision is likely to occur, the distance value reaches a critical value, signals are fed back to a control system, and therefore the emergency stop laser cutting head 300 avoids collision, and a second opening 506 for laser to pass through is formed in the installation plate 501. The mechanical anti-collision mechanism and the ultrasonic anti-collision mechanism can be independent or cooperated to realize the anti-collision function of the laser cutting head.
The spring unit includes two first springs 403 and two second springs 410, the installing support subassembly includes two first installing supports 405 and two second installing supports 408, first installing support 405, second installing support 408 all with the lower extreme fixed connection of slide 200, two first installing support 405 is fixed respectively and is set up in slide 20 both sides, two second installing support 408 is fixed respectively and is set up in slide 20 both sides, spring and installing support one-to-one, the upper end of first spring 403 is fixed in on the first installing support 405, the upper end of second spring 410 is fixed in on the second installing support 408.
The intelligent anti-collision device further comprises an upper spring fixing block 404 and a lower spring fixing block 402, the upper end of the first spring 403 is fixed on a first mounting bracket 405 through the upper spring fixing block 404, the upper end of the second spring 410 is fixed on a second mounting bracket 408 through the upper spring fixing block 404, the lower end of the first spring 403 is fixed on the anti-collision frame 401 through the lower spring fixing block 402, and the lower end of the second spring 410 is fixed on the anti-collision frame 401 through the lower spring fixing block 402.
The displacement sensor 406 is a spring self-resetting type displacement sensor. The lower end of the displacement sensor connecting rod 407 is fixedly connected with the anti-collision frame 401 through a displacement sensor connecting rod fixing block 409. The ultrasonic sensor 502 is fixed to the mounting plate 501 by a washer 503 and a lock nut 504.
The embodiment of the invention also provides an anti-collision laser cutting head, which comprises a sliding seat fixing seat 100, a sliding seat 200, a laser cutting head 300 and the intelligent anti-collision device, wherein the mechanical anti-collision mechanism 400, the ultrasonic anti-collision mechanism 500 and the laser cutting head 300 are all fixed on the sliding seat 200, the sliding seat 200 is slidably mounted on the sliding seat fixing seat 100, the mechanical anti-collision mechanism 400 is positioned below the laser cutting head 300, and the ultrasonic anti-collision mechanism 500 is fixedly arranged between the laser cutting head 300 and the mechanical anti-collision mechanism 400.
The invention provides a laser cutting head with an intelligent anti-collision device, which comprises a laser cutting head, a mechanical anti-collision mechanism and an ultrasonic anti-collision mechanism. In the operation process of the laser cutting machine, various complex working conditions need to be faced, the laser cutting head has certain collision risk, the mechanical anti-collision mechanism and the ultrasonic anti-collision mechanism act simultaneously, and the mechanical contact and the ultrasonic ranging mode are respectively utilized to avoid the laser cutting head from colliding in the operation engineering. The invention can effectively avoid production accidents caused by collision of the laser cutting head, ensure the safety of equipment, reduce risks and reduce accidental losses.
The intelligent anti-collision device provided by the invention comprises a mechanical anti-collision mechanism and an ultrasonic anti-collision mechanism, wherein the mechanical anti-collision mechanism adopts a mechanical contact mode, the ultrasonic anti-collision mechanism adopts an ultrasonic ranging mode, the mechanical anti-collision mechanism, the ultrasonic anti-collision mechanism and a laser cutting head are fixed on a sliding seat together, and the sliding seat is fixed on a sliding seat fixing seat and can move up and down along the sliding seat fixing seat.
Mechanical type anticollision institution includes installing support, anticollision frame, spring, displacement sensor (spring self-resetting type), connecting rod and fixed block, the installing support is fixed respectively and is set up in the slide both sides, the upper end locking of spring is on the mounting hole of installing support, displacement sensor passes through the mounting screw and installs on the installing support, anticollision frame locking is at the lower extreme of spring, and displacement sensor lower extreme connecting rod also locks on anticollision frame simultaneously. The anticollision frame is located the laser cutting head outside, plays the guard action, and when will bumping, the anticollision frame takes place mechanical contact earlier and produces the displacement, and displacement sensor receives the displacement back, feeds back to control system to scram laser cutting head avoids the collision.
The ultrasonic anti-collision mechanism comprises an ultrasonic sensor, an installation plate, a gasket and a nut, wherein the installation plate is fixedly arranged at the lower end of the sliding seat, and the ultrasonic sensor is fixedly arranged in an installation hole in the installation plate. The ultrasonic sensor can monitor the distance of obstacles around the laser cutting head, when collision possibly occurs, the distance value reaches a critical value, and a signal is fed back to the control system, so that the laser cutting head is stopped suddenly to avoid collision.
The embodiment provides a laser cutting head with an intelligent anti-collision device, which comprises a slider fixing seat 100, a slider 200, a laser cutting head 300, a mechanical anti-collision mechanism 400 and an ultrasonic anti-collision mechanism 500, wherein the mechanical anti-collision mechanism 400, the ultrasonic anti-collision mechanism 500 and the laser cutting head 300 are fixed on the slider 200 together, and the slider 200 is mounted on the slider fixing seat 100 and can move up and down.
Because the mechanical anti-collision mechanism 400, the ultrasonic anti-collision mechanism 500 and the laser cutting head 300 are fixed on the sliding seat 200 together, in the working process of the laser cutting machine, the laser cutting head 300 needs to be moved according to a processing program, if an obstacle appears in the moving process, the mechanical anti-collision mechanism 400 and the ultrasonic anti-collision mechanism 500 can feed back signals, so that the laser cutting head 300 is suddenly stopped, the collision is avoided, the safety accident caused by the collision of the laser cutting head 300 is effectively avoided, the equipment safety is ensured, the risk is reduced, and the accidental loss is reduced.
Referring to fig. 2, the mechanical anti-collision mechanism 400 includes an anti-collision rim 401, a lower spring fixing block 402, a spring 403, an upper spring fixing block 404, a first mounting bracket 405, a displacement sensor 406 (of a spring self-resetting type), a displacement sensor link 407, a second mounting bracket 408, and a displacement sensor link fixing block 409. The mechanical anti-collision mechanism 400 is fixedly arranged on the outer side of the laser cutting head 300, the first mounting bracket 405 and the second mounting bracket 408 are fixedly connected with the lower end of the slide carriage 200, the upper spring fixing block 404 fixedly connects the upper end of the first spring 403 to the first mounting bracket 405 and the second mounting bracket 408, the lower spring fixing block 402 fixedly connects the anti-collision frame 401 to the lower end of the first spring 403, the displacement sensor 406 (of a spring self-resetting type) is fixedly connected to the first mounting bracket 405, the displacement sensor connecting rod 407 passes through the hole of the first mounting bracket 405, and the lower end of the displacement sensor connecting rod 407 is fixedly connected with the anti-collision frame 401 by the displacement sensor connecting rod fixing block 409, so that the anti-collision frame 401 is suspended and mounted on the outer side of the laser cutting head 300 through 4 springs.
Referring to fig. 3, the ultrasonic anti-collision mechanism 500 includes a mounting plate 501, an ultrasonic sensor 502, a washer 503, and a lock nut 504. The ultrasonic anti-collision mechanism 500 is fixedly arranged between the laser cutting head 300 and the mechanical anti-collision mechanism 400, the mounting plate 501 is fixedly arranged at the lower end of the sliding seat 200, and the ultrasonic sensor 502 is fixedly arranged on the mounting plate 501 by using a gasket 503 and a locking nut 504.
In this embodiment, the working process of the intelligent anti-collision device is as follows:
during the working process of the laser cutting machine, the laser cutting head 300 moves according to the processing program to process the workpiece, and at this time, an obstacle appears on the moving path of the laser cutting head 300. Firstly, the ultrasonic sensor 502 in the ultrasonic anti-collision mechanism 500 measures the distance to an obstacle through ultrasonic ranging, when collision is likely to happen and the distance between the laser cutting head 300 and the obstacle reaches a critical value, a signal is fed back to the control system, and the control system performs emergency stop on the laser cutting head 300. When the ultrasonic anti-collision mechanism 500 does not detect an obstacle or fails, the mechanical anti-collision mechanism 400 is located outside the laser cutting head 300, the anti-collision frame 401 is in direct contact with the obstacle, the anti-collision frame 401 is hung on the first mounting bracket 405 and the second mounting bracket 408 by the first spring 403 and the second spring 410, the anti-collision frame 401 generates displacement under the action of external force, the lower end of the displacement sensor connecting rod 407 is fixedly connected with the anti-collision frame 401, the displacement is transmitted to the displacement sensor 406 (spring self-resetting type) through the displacement sensor connecting rod 407, a signal is fed back to the control system, and the control system performs emergency stop on the laser cutting head 300. The mechanical anti-collision mechanism and the ultrasonic anti-collision mechanism can be independent and can also be cooperated to realize the anti-collision function of the laser cutting head. The control principle among the ultrasonic sensor, the displacement sensor (spring self-reset type), the laser cutting head and the control system is the prior art and is not described herein again.
This embodiment provides a laser cutting head, laser cutting head includes foretell intelligent collision device.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides an intelligence collision device which characterized in that: mechanism and ultrasonic wave formula anticollision mechanism are prevented including mechanical type, mechanical type anticollision mechanism includes anticollision frame, spring unit, installing support subassembly and displacement sensor, the anticollision frame passes through spring unit fixes on the installing support subassembly, displacement sensor install in on the installing support subassembly, the displacement sensor connecting rod with anticollision frame fixed connection, set up the first trompil that supplies laser to pass on the anticollision frame, ultrasonic wave formula anticollision mechanism is located mechanical type anticollision mechanism top, ultrasonic wave formula anticollision mechanism includes mounting panel and ultrasonic sensor, ultrasonic sensor locates on the mounting panel, set up the second trompil that supplies laser to pass on the mounting panel.
2. The intelligent collision avoidance apparatus of claim 1, wherein: the spring assembly comprises two first springs and two second springs, the mounting bracket assembly comprises two first mounting brackets and two second mounting brackets, the springs and the mounting brackets correspond to each other one by one, the upper ends of the first springs are fixed on the first mounting brackets, and the upper ends of the second springs are fixed on the second mounting brackets.
3. The intelligent collision avoidance apparatus of claim 2, wherein: the anti-collision frame is characterized by further comprising an upper spring fixing block and a lower spring fixing block, the upper end of the first spring is fixed on the first mounting bracket through the upper spring fixing block, the upper end of the second spring is fixed on the second mounting bracket through the upper spring fixing block, the lower end of the first spring is fixed on the anti-collision frame through the lower spring fixing block, and the lower end of the second spring is fixed on the anti-collision frame through the lower spring fixing block.
4. The intelligent collision avoidance apparatus of claim 1, wherein: the displacement sensor is a spring self-resetting type displacement sensor.
5. The intelligent collision avoidance apparatus of claim 1, wherein: the lower end of the displacement sensor connecting rod is fixedly connected with the anti-collision frame through a displacement sensor connecting rod fixing block.
6. The intelligent collision avoidance apparatus of claim 1, wherein: the ultrasonic sensor is fixedly arranged on the mounting plate by a gasket and a locking nut.
7. The utility model provides an anticollision laser cutting head which characterized in that: the intelligent anti-collision device comprises a sliding seat fixing seat, a sliding seat and a laser cutting head, and further comprises the intelligent anti-collision device as claimed in any one of claims 1 to 6, wherein the mechanical anti-collision mechanism, the ultrasonic anti-collision mechanism and the laser cutting head are fixed on the sliding seat, the sliding seat is slidably mounted on the sliding seat fixing seat, the mechanical anti-collision mechanism is located below the laser cutting head, and the ultrasonic anti-collision mechanism is fixedly arranged between the laser cutting head and the mechanical anti-collision mechanism.
8. The use method of the anti-collision laser cutting head is characterized by comprising the following steps: when an obstacle appears on a movement path of a laser cutting head in the working process of the laser cutting machine, firstly, an ultrasonic sensor in an ultrasonic anti-collision mechanism measures the distance of the obstacle through ultrasonic ranging, when the distance between the laser cutting head and the obstacle reaches a critical value, a signal is fed back to a control system, the control system carries out emergency stop on the laser cutting head, when the ultrasonic anti-collision mechanism does not detect the obstacle or fails, a mechanical anti-collision mechanism is positioned outside the laser cutting head, an anti-collision frame is in direct contact with the obstacle, the anti-collision frame is suspended on a first mounting bracket and a second mounting bracket through springs and generates displacement under the action of external force, the lower end of a connecting rod of a displacement sensor is fixedly connected with the anti-collision frame, the displacement is transmitted to the displacement sensor through the connecting rod of the displacement sensor, and the signal is fed back to the control system, and the control system performs emergency stop on the laser cutting head.
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| CN202110891524.4A CN113579522B (en) | 2021-08-04 | 2021-08-04 | Intelligent anti-collision device, anti-collision laser cutting head and using method thereof |
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