CN114178651A - Electric arc composite machining platform - Google Patents
Electric arc composite machining platform Download PDFInfo
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- CN114178651A CN114178651A CN202111412914.5A CN202111412914A CN114178651A CN 114178651 A CN114178651 A CN 114178651A CN 202111412914 A CN202111412914 A CN 202111412914A CN 114178651 A CN114178651 A CN 114178651A
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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
- B23K9/00—Arc welding or cutting
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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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
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- Laser Beam Processing (AREA)
Abstract
The invention relates to an electric arc composite machining platform, which comprises: the electric arc composite welding machine comprises a welding gun structure, a first generating structure, a second generating structure and a third generating structure; the object selection device is used for identifying the central pixel column of each pixel column occupied by each object sub-image in the follow-up shooting environment image and judging the object sub-image to be an effective sub-image when the number of the pixel columns at intervals between the central pixel column and the central pixel column of the follow-up shooting environment image is not over the limit; and the scene identification mechanism is used for sending a hand approach command when more than one effective sub-image exists in the follow-up environment image. The electric arc composite machining platform is complete in function and stable in operation. The welding performance is improved by introducing a plurality of welding media for composite welding, and more importantly, an intelligent identification mechanism of an object which is too close to a hand part of a laser channel based on the pixel column spacing is introduced, so that the occurrence of field safety accidents is avoided.
Description
Technical Field
The invention relates to the field of machining, in particular to an electric arc composite machining platform.
Background
Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. The difference in the machining method can be divided into cutting machining and pressing machining. The production process of a machine refers to the whole process of making a product from raw materials (or semi-finished products). For machine production, the raw material transportation and preservation, production preparation, blank manufacturing, part processing and heat treatment, product assembly and debugging, painting and packaging and the like are included. The content of the production process is very wide, modern enterprises organize production and guide production by using the principle and method of system engineering, and the production process is regarded as a production system with input and output.
In the production process, all the processes of changing the shape, size, position, property, etc. of the production object into a finished product or a semi-finished product are called as a process. It is an integral part of the production process. The processes can be divided into casting, forging, stamping, welding, machining, assembling and other processes, the mechanical manufacturing process generally refers to the sum of the machining process of the parts and the assembling process of the machine, and other processes are called auxiliary processes, such as transportation, storage, power supply, equipment maintenance and the like. The technological process consists of one or several steps in sequence.
The process is a basic unit that constitutes the machining process. By process is meant a part of a process that is carried out by a single (or a group of) workers on a single machine (or a single work site) and on the same workpiece (or on several workpieces simultaneously). The main characteristic of forming a process is that the processing object, equipment and operator are not changed, and the process content is continuously completed.
At present, if a workpiece to be welded adopts a welding operation of a single welding medium, the welding performance of a welding seam of the workpiece to be welded is affected, so that a plurality of welding media need to be introduced for composite welding to improve the welding performance, and meanwhile, if a hand object too close to a laser channel exists in the welding operation of the existing welding machine, the too close hand object can be easily damaged, and a serious safety accident is caused.
Disclosure of Invention
In order to solve the technical problems in the related field, the invention provides an electric arc composite machining platform, which improves the welding performance by introducing a plurality of welding media for composite welding, and more importantly, avoids the occurrence of field safety accidents by introducing an intelligent identification mechanism of an object which is too close to a hand part of a laser channel based on the pixel column spacing, thereby carrying out multi-directional reinforcement on a welding machine.
Compared with the prior art, the invention at least needs to have the following two key points:
(1) adopting a visual follow-up shooting mechanism following the laser generation structure to acquire visual data of the welding environment of the arc hybrid welding machine, and carrying out human hand detection on the visual data to judge whether a hand object too close to a welding line exists;
(2) the relative position of the central pixel column of the human hand imaging area and the image where the human hand imaging area is located is adopted to judge whether a hand object too close to the welding line exists or not, so that important information is provided for preventing early warning action of the hand object too close to the welding line in the working process of the arc composite welding machine.
According to an aspect of the present invention, there is provided an arc hybrid machining platform, the platform comprising:
the arc hybrid welding machine comprises a welding gun structure, a first generating structure, a second generating structure and a third generating structure, wherein the first generating structure, the second generating structure and the third generating structure respectively generate a laser beam, a light-induced plasma and a protective gas.
More specifically, in the arc compound machining platform:
the welding gun structure is used for generating electric arcs, and the generated laser beams, the light-induced plasmas, the protective gas and the electric arcs jointly act on a molten pool in a welding seam of a workpiece to be welded so as to realize electric arc composite welding action of the workpiece to be welded.
More specifically, in the arc compound machining platform:
the generated laser beam, the light-induced plasma, the protective gas and the electric arc jointly act on a molten pool in a welding seam of the workpiece to be welded so as to realize the electric arc hybrid welding action of the workpiece to be welded, and the electric arc hybrid welding action comprises the following steps: the generated laser beam, the photo-generated plasma, the shielding gas, and the electric arc collectively act on a weld puddle within a weld of a workpiece to be welded to form a weld of a weld bore located within the weld puddle.
More specifically, in the arc hybrid machining platform, the platform further comprises:
the follow-shooting executing device is arranged above a molten pool in a welding seam of the workpiece to be welded, is positioned at the same horizontal height with the first generating structure, has a distance smaller than or equal to a set distance threshold value with the first generating structure, is connected with the first generating structure, and is used for synchronously realizing follow-shooting action of the environment where the welding seam of the workpiece to be welded is positioned while the first generating structure generates laser beams so as to obtain a corresponding follow-shooting environment image;
the hand detection device is connected with the follow-shooting execution device and used for executing real-time detection of the human hand object on each frame of received follow-shooting environment image so as to obtain more than one object sub-images in which more than one human hand object in the follow-shooting environment image is respectively located;
the object selection device is connected with the hand detection device and used for executing the following operations on each object sub-image: identifying a central pixel column of each pixel column occupied by each object sub-image in the follow-up shooting environment image, and judging the object sub-images to be effective sub-images when the number of pixel columns at intervals between the central pixel column and the central pixel column of the follow-up shooting environment image is not over-limit;
the scene identification mechanism is connected with the object selection device and used for sending a hand approach command when more than one effective sub-image exists in the follow-shooting environment image;
the scene identification mechanism is also used for sending a hand-off command when more than one effective sub-image does not exist in the follow-up environmental image;
wherein the object selection means is further configured to perform the following for each object sub-image: identifying a central pixel column of each pixel column occupied by each object sub-image in the follow-up shooting environment image, and judging the object sub-images to be invalid sub-images when the number of pixel columns spaced between the central pixel column and the central pixel column of the follow-up shooting environment image exceeds a limit;
wherein, when the first production structure produces the laser beam, realize in step treating the following of the welding seam place environment of welding work piece with clapping the action to obtain corresponding with clapping the environmental image and include: when the first generating structure is detected to start generating the laser beam, multiple follow-up actions of the environment where the welding seam of the workpiece to be welded is located are achieved at set time intervals, and each frame of follow-up environment image is obtained.
According to another aspect of the invention, an arc compound machining method is further provided, and the method comprises the use of the arc compound machining platform for achieving safe welding operation of preventing hand contact of workpieces to be welded by adopting a purposefully designed arc compound machining mode.
The electric arc composite machining platform is complete in function and stable in operation. The welding performance is improved by introducing a plurality of welding media for composite welding, and more importantly, an intelligent identification mechanism of an object which is too close to a hand part of a laser channel based on the pixel column spacing is introduced, so that the occurrence of field safety accidents is avoided.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of an operating scene of an arc compound welding machine of an arc compound machining platform according to an embodiment of the invention.
Detailed Description
Embodiments of the electric arc hybrid machining platform of the present invention will be described in detail below with reference to the accompanying drawings.
The machine is a tool device which can help people to reduce work difficulty or save labor, and articles such as chopsticks, brooms and tweezers can be called as the machine, and the machine is a simple machine. The complex machine is composed of two or more simple machines. These relatively complex machines are often called machines. From a structural and kinematic point of view, the mechanisms and machines are not distinct and are broadly called machines.
Machines are of a wide variety and can be classified into several different categories, such as: the machine can be divided into a power machine, a material handling machine, a crushing machine and the like according to functions; the industries according to the service can be divided into agricultural machinery, mining machinery, textile machinery, packaging machinery and the like; it can be divided into thermal machinery, fluid machinery, bionic machinery, etc. according to the working principle.
At present, if a workpiece to be welded adopts a welding operation of a single welding medium, the welding performance of a welding seam of the workpiece to be welded is affected, so that a plurality of welding media need to be introduced for composite welding to improve the welding performance, and meanwhile, if a hand object too close to a laser channel exists in the welding operation of the existing welding machine, the too close hand object can be easily damaged, and a serious safety accident is caused.
In order to overcome the defects, the invention builds the electric arc composite machining platform and can effectively solve the corresponding technical problem.
Fig. 1 is a schematic view of an operating scene of an arc compound welding machine of an arc compound machining platform according to an embodiment of the invention.
An arc hybrid machining platform according to an embodiment of the present invention is shown comprising:
the arc hybrid welding machine comprises a welding gun structure, a first generating structure, a second generating structure and a third generating structure, wherein the first generating structure, the second generating structure and the third generating structure respectively generate a laser beam, a light-induced plasma and a protective gas.
Next, a detailed description of the structure of the electric arc hybrid machining platform of the present invention will be further described.
In the electric arc composite machining platform:
the welding gun structure is used for generating electric arcs, and the generated laser beams, the light-induced plasmas, the protective gas and the electric arcs jointly act on a molten pool in a welding seam of a workpiece to be welded so as to realize electric arc composite welding action of the workpiece to be welded.
In the electric arc composite machining platform:
the generated laser beam, the light-induced plasma, the protective gas and the electric arc jointly act on a molten pool in a welding seam of the workpiece to be welded so as to realize the electric arc hybrid welding action of the workpiece to be welded, and the electric arc hybrid welding action comprises the following steps: the generated laser beam, the photo-generated plasma, the shielding gas, and the electric arc collectively act on a weld puddle within a weld of a workpiece to be welded to form a weld of a weld bore located within the weld puddle.
The electric arc composite machining platform can further comprise:
the follow-shooting executing device is arranged above a molten pool in a welding seam of the workpiece to be welded, is positioned at the same horizontal height with the first generating structure, has a distance smaller than or equal to a set distance threshold value with the first generating structure, is connected with the first generating structure, and is used for synchronously realizing follow-shooting action of the environment where the welding seam of the workpiece to be welded is positioned while the first generating structure generates laser beams so as to obtain a corresponding follow-shooting environment image;
the hand detection device is connected with the follow-shooting execution device and used for executing real-time detection of the human hand object on each frame of received follow-shooting environment image so as to obtain more than one object sub-images in which more than one human hand object in the follow-shooting environment image is respectively located;
the object selection device is connected with the hand detection device and used for executing the following operations on each object sub-image: identifying a central pixel column of each pixel column occupied by each object sub-image in the follow-up shooting environment image, and judging the object sub-images to be effective sub-images when the number of pixel columns at intervals between the central pixel column and the central pixel column of the follow-up shooting environment image is not over-limit;
the scene identification mechanism is connected with the object selection device and used for sending a hand approach command when more than one effective sub-image exists in the follow-shooting environment image;
the scene identification mechanism is also used for sending a hand-off command when more than one effective sub-image does not exist in the follow-up environmental image;
wherein the object selection means is further configured to perform the following for each object sub-image: identifying a central pixel column of each pixel column occupied by each object sub-image in the follow-up shooting environment image, and judging the object sub-images to be invalid sub-images when the number of pixel columns spaced between the central pixel column and the central pixel column of the follow-up shooting environment image exceeds a limit;
wherein, when the first production structure produces the laser beam, realize in step treating the following of the welding seam place environment of welding work piece with clapping the action to obtain corresponding with clapping the environmental image and include: when the first generating structure is detected to start generating the laser beam, multiple follow-up actions of the environment where the welding seam of the workpiece to be welded is located are achieved at set time intervals, and each frame of follow-up environment image is obtained.
In the electric arc composite machining platform:
when the first generating structure generates the laser beam, the following and shooting actions of the environment where the welding seam of the workpiece to be welded is located are synchronously realized, so that the corresponding following and shooting environment image is obtained, and the following and shooting environment image comprises: and when the first generating structure is detected to stop generating the laser beam, pausing to realize the multi-time following and beating actions of the environment where the welding seam of the workpiece to be welded is positioned at set time intervals.
In the electric arc composite machining platform:
the first, second and third generating structures respectively generate a laser beam, a photo-induced plasma and a shielding gas comprising: the first generating structure is disposed directly above a weld puddle within a weld of the workpieces to be welded.
In the electric arc composite machining platform:
the first, second and third generating structures respectively generate a laser beam, a photo-induced plasma and a shielding gas comprising: the second generating structure is arranged above a molten pool in a welding seam of the workpiece to be welded and is arranged at a position deviated to the left.
In the electric arc composite machining platform:
the first, second and third generating structures respectively generate a laser beam, a photo-induced plasma and a shielding gas comprising: the third generating structure is arranged above a molten pool in a welding seam of the workpiece to be welded and at a right position.
In the electric arc composite machining platform:
the torch structure for generating an arc includes: the welding gun structure is arranged above a molten pool in a welding seam of the workpiece to be welded and is positioned between the first generating structure and the second generating structure.
Meanwhile, in order to overcome the defects, the invention also provides an electric arc composite machining method which comprises the step of using the electric arc composite machining platform for realizing the safe welding operation of preventing the hand contact of the workpiece to be welded by adopting a purposefully designed electric arc composite machining mode.
In addition, in the electric arc compound machining platform, the electric arc compound welding machine further comprises a timing operation structure, which is respectively connected with the welding gun structure, the first generation structure, the second generation structure and the third generation structure, and is used for respectively providing timing services for the welding gun structure, the first generation structure, the second generation structure and the third generation structure;
the electric arc composite welding machine further comprises a synchronous operation structure which is respectively connected with the welding gun structure, the first generation structure, the second generation structure and the third generation structure and used for providing action synchronous control service for the welding gun structure, the first generation structure, the second generation structure and the third generation structure.
While embodiments of the present invention have been shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of embodiments of the present invention as defined by the following claims.
Claims (10)
1. An electric arc hybrid machining platform, the platform comprising:
the arc hybrid welding machine comprises a welding gun structure, a first generating structure, a second generating structure and a third generating structure, wherein the first generating structure, the second generating structure and the third generating structure respectively generate a laser beam, a light-induced plasma and a protective gas.
2. The electric arc hybrid machining platform of claim 1, wherein:
the welding gun structure is used for generating electric arcs, and the generated laser beams, the light-induced plasmas, the protective gas and the electric arcs jointly act on a molten pool in a welding seam of a workpiece to be welded so as to realize electric arc composite welding action of the workpiece to be welded.
3. The electric arc compound machining platform of claim 2, wherein:
the generated laser beam, the light-induced plasma, the protective gas and the electric arc jointly act on a molten pool in a welding seam of the workpiece to be welded so as to realize the electric arc hybrid welding action of the workpiece to be welded, and the electric arc hybrid welding action comprises the following steps: the generated laser beam, the photo-generated plasma, the shielding gas, and the electric arc collectively act on a weld puddle within a weld of a workpiece to be welded to form a weld of a weld bore located within the weld puddle.
4. The electric arc compound machining platform of claim 3, further comprising:
the follow-shooting executing device is arranged above a molten pool in a welding seam of the workpiece to be welded, is positioned at the same horizontal height with the first generating structure, has a distance smaller than or equal to a set distance threshold value with the first generating structure, is connected with the first generating structure, and is used for synchronously realizing follow-shooting action of the environment where the welding seam of the workpiece to be welded is positioned while the first generating structure generates laser beams so as to obtain a corresponding follow-shooting environment image;
the hand detection device is connected with the follow-shooting execution device and used for executing real-time detection of the human hand object on each frame of received follow-shooting environment image so as to obtain more than one object sub-images in which more than one human hand object in the follow-shooting environment image is respectively located;
the object selection device is connected with the hand detection device and used for executing the following operations on each object sub-image: identifying a central pixel column of each pixel column occupied by each object sub-image in the follow-up shooting environment image, and judging the object sub-images to be effective sub-images when the number of pixel columns at intervals between the central pixel column and the central pixel column of the follow-up shooting environment image is not over-limit;
the scene identification mechanism is connected with the object selection device and used for sending a hand approach command when more than one effective sub-image exists in the follow-shooting environment image;
the scene identification mechanism is also used for sending a hand-off command when more than one effective sub-image does not exist in the follow-up environmental image;
wherein the object selection means is further configured to perform the following for each object sub-image: identifying a central pixel column of each pixel column occupied by each object sub-image in the follow-up shooting environment image, and judging the object sub-images to be invalid sub-images when the number of pixel columns spaced between the central pixel column and the central pixel column of the follow-up shooting environment image exceeds a limit;
wherein, when the first production structure produces the laser beam, realize in step treating the following of the welding seam place environment of welding work piece with clapping the action to obtain corresponding with clapping the environmental image and include: when the first generating structure is detected to start generating the laser beam, multiple follow-up actions of the environment where the welding seam of the workpiece to be welded is located are achieved at set time intervals, and each frame of follow-up environment image is obtained.
5. The electric arc compound machining platform of claim 4, wherein:
when the first generating structure generates the laser beam, the following and shooting actions of the environment where the welding seam of the workpiece to be welded is located are synchronously realized, so that the corresponding following and shooting environment image is obtained, and the following and shooting environment image comprises: and when the first generating structure is detected to stop generating the laser beam, pausing to realize the multi-time following and beating actions of the environment where the welding seam of the workpiece to be welded is positioned at set time intervals.
6. The electric arc compound machining platform of claim 4, wherein:
the first, second and third generating structures respectively generate a laser beam, a photo-induced plasma and a shielding gas comprising: the first generating structure is disposed directly above a weld puddle within a weld of the workpieces to be welded.
7. The electric arc compound machining platform of claim 4, wherein:
the first, second and third generating structures respectively generate a laser beam, a photo-induced plasma and a shielding gas comprising: the second generating structure is arranged above a molten pool in a welding seam of the workpiece to be welded and is arranged at a position deviated to the left.
8. The electric arc compound machining platform of claim 4, wherein:
the first, second and third generating structures respectively generate a laser beam, a photo-induced plasma and a shielding gas comprising: the third generating structure is arranged above a molten pool in a welding seam of the workpiece to be welded and at a right position.
9. The electric arc compound machining platform of claim 4, wherein:
the torch structure for generating an arc includes: the welding gun structure is arranged above a molten pool in a welding seam of the workpiece to be welded and is positioned between the first generating structure and the second generating structure.
10. A hybrid arc machining method, comprising providing a hybrid arc machining platform according to any one of claims 4 to 9 for achieving a hand contact resistant safe welding operation of a workpiece to be welded using a purposefully designed hybrid arc machining mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111412914.5A CN114178651A (en) | 2021-11-25 | 2021-11-25 | Electric arc composite machining platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111412914.5A CN114178651A (en) | 2021-11-25 | 2021-11-25 | Electric arc composite machining platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114178651A true CN114178651A (en) | 2022-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111412914.5A Withdrawn CN114178651A (en) | 2021-11-25 | 2021-11-25 | Electric arc composite machining platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114178651A (en) |
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2021
- 2021-11-25 CN CN202111412914.5A patent/CN114178651A/en not_active Withdrawn
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Application publication date: 20220315 |