CN216541434U - Device for monitoring sealing performance of laser cutting gas circuit in real time - Google Patents
Device for monitoring sealing performance of laser cutting gas circuit in real time Download PDFInfo
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- CN216541434U CN216541434U CN202122829083.3U CN202122829083U CN216541434U CN 216541434 U CN216541434 U CN 216541434U CN 202122829083 U CN202122829083 U CN 202122829083U CN 216541434 U CN216541434 U CN 216541434U
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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
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Abstract
The utility model discloses a device for monitoring the sealing performance of a laser cutting gas circuit in real time, and relates to the technical field of laser cutting equipment. The utility model discloses an including the atmospheric pressure detection module, the first protective mirror subassembly that from top to bottom connects gradually, mount pad and second protective mirror subassembly, the sign chamber that link up about being provided with on the mount pad, the test channel has still been seted up on the mount pad, and the test channel is linked together with the sign chamber, the device of real-time supervision laser cutting gas circuit leakproofness still includes, the atmospheric pressure detection module includes the fixing base, thimble and flexible resistor, the one end in sign chamber is kept away from to the fixing base can shutoff test channel, and the one end that the fixing base is close to test channel is sealed by the gas sensitive film, the gas sensitive film can produce deformation according to the atmospheric pressure change in the test channel. The utility model discloses a can improve investigation efficiency and guarantee machining efficiency at the leakproofness condition of laser beam machining in-process real-time supervision cutting gas circuit.
Description
Technical Field
The utility model relates to the technical field of laser cutting equipment, in particular to a device for monitoring the sealing performance of a laser cutting gas circuit in real time.
Background
Because the laser cutting technology has the characteristics of high precision, quick cutting, no limitation on cutting patterns, automatic typesetting, material saving, smooth cut, low processing cost and the like, the laser cutting technology is widely applied to the field of metal processing at present, the laser cutting technology mainly relies on light path energy and a light path to purge or provide cutting reaction gas to cut metal plates, in the process of the movement of a processing head, the gas needs to continuously enter a cutting head through a gas path channel, wherein the cut gas blows through the last flat mirror (generally called as a lower protective mirror) in a cutting light path to form rebound gas flow, so that the rebound gas flow is sprayed out through a nozzle along with the designed gas path channel and acts on the plates together with the light path to cut the metal plates.
In the whole laser cutting process, the maintenance of the sealing performance of the whole cutting gas path is an important factor influencing the cutting quality, and the quality of the cutting quality is directly determined. However, because the lower protective glass is a consumable product and needs to be replaced frequently, the universal plug seal which is used for dismounting the drawer of the lower protective glass and has the functions of sealing, self-lubricating and wear-resisting has service life, and the universal plug seal is easy to loose a spring on the universal plug seal after the drawer is frequently plugged and pulled out, so that the sealing performance of a cutting gas circuit is reduced, even the gas leakage condition occurs, and the cutting effect is influenced. However, the existing structure cannot monitor the sealing performance of the cutting gas circuit in real time and form alarm feedback, so that the problem source cannot be quickly determined when the cutting quality problem occurs, time and labor are consumed, and the production progress is influenced to cause economic loss.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for monitoring the sealing performance of a laser cutting gas circuit in real time, which can monitor the sealing performance of the cutting gas circuit in real time in the laser processing process, improve the troubleshooting efficiency and ensure the processing efficiency.
In order to realize the technical effects, the technical scheme of the utility model is as follows:
the utility model provides a device of real-time supervision laser cutting gas circuit leakproofness, includes first protection mirror subassembly, mount pad, the second protection mirror subassembly that from top to bottom connects gradually, be provided with the sign chamber that link up from top to bottom on the mount pad, the first protection mirror of first protection mirror subassembly with the second protection mirror of second protection mirror subassembly can shroud respectively and be in form sealedly on the sign chamber, detection channel has still been seted up on the mount pad, just detection channel with the sign chamber is linked together, device of real-time supervision laser cutting gas circuit leakproofness still includes atmospheric pressure detection module, atmospheric pressure detection module detachably sets up in the mount pad, atmospheric pressure detection module includes:
the fixing seat can seal one end of the detection channel, which is far away from the mark cavity, and one end of the fixing seat, which is close to the detection channel, is sealed by a gas-sensitive film, and the gas-sensitive film can deform according to the change of air pressure in the detection channel;
the thimble is connected with the gas-sensitive film and moves along with the deformation of the gas-sensitive film;
a flexible resistor electrically connected to the thimble, and a resistance value of the flexible resistor is changed by deformation of the gas sensitive film.
Preferably, the first protective mirror assembly further includes:
the protective glasses comprise a first protective glasses seat, a second protective glasses seat and a protective glasses frame, wherein the first protective glasses seat is provided with a first installation through groove, and the first protective glasses are arranged in the first installation through groove;
the first protective cover plate is arranged on the first installation through groove in a covering mode and can tightly press the first protective glasses;
the first general stopper seals, first protection mirror sets up on the first general stopper seals, first general stopper seals the setting and is in on the first installation leads to the groove and the cladding at the edge that the groove was led to in first installation.
Preferably, a first groove is formed in the side wall of the first protective cover plate, the first protective glasses component further comprises a first sealing ring, and the first sealing ring can be embedded in the first groove.
Preferably, the second protective mirror assembly further comprises:
the second protective lens base is provided with a second mounting through groove, and the second protective lens is arranged in the second mounting through groove;
the second protective cover plate is covered on the second mounting through groove and can compress the second protective glasses;
and the second general plug seal is arranged on the second installation through groove and covers the edge of the second installation through groove.
Preferably, the device for monitoring the sealing performance of the laser cutting gas circuit in real time further comprises a gas cavity seat, the mounting seat is detachably arranged on the gas cavity seat, and an avoiding groove is formed in the gas cavity seat so as to accommodate the second protective mirror assembly.
Preferably, the air cavity seat along the edge of the avoiding groove is provided with a sealing groove at intervals of a preset distance, the sealing element can be embedded in the sealing groove, and the outer wall of the sealing element can be attached to the bottom surface of the mounting seat.
Preferably, the first protective mirror and the second protective mirror are transparent protective lenses through which laser light can pass.
Preferably, the device for monitoring the sealing performance of the laser cutting gas circuit in real time further comprises a temperature detection module, wherein the temperature detection module is arranged in the mounting seat and used for detecting the real-time temperature in the identification cavity.
Preferably, the device for monitoring the sealing performance of the laser cutting gas path in real time further comprises an astigmatism detection module, and the astigmatism detection module is arranged in the mounting seat and used for detecting stray light of laser passing through the mark cavity.
Preferably, the upper portion and the lower portion of the mounting seat are provided with slots, and the first protective mirror assembly and the second protective mirror assembly can be respectively plugged with the slots.
The utility model has the beneficial effects that: the utility model provides a device for monitoring the tightness of a laser cutting gas circuit in real time, wherein after a first protective mirror assembly, a mounting seat and a second protective mirror assembly are sequentially connected, as an identification cavity is connected with a detection channel and the detection channel is blocked by an air pressure detection module, if the tightness is good, the resistance value of a flexible resistor in the air pressure detection module is always unchanged, so that the inspection time of an inspector can be reduced; if the gas leakage phenomenon appears in poor sealing performance, the gas-sensitive film generates deformation and drives the thimble to move due to the increase of the gas pressure in the mark cavity, so that the resistance value of the flexible resistor is changed, an inspector can rapidly find and judge through the change of the resistance value, in addition, the conditions of neglected loading or damage of a second protective mirror can be preliminarily judged according to the change of the electrogenerated value of the flexible resistor, the inspection time can be greatly shortened, the inspection efficiency is improved, and the gas seal in laser processing is detected in real time through the change of the gas-sensitive film so as to ensure the processing precision. The device for monitoring the sealing performance of the laser cutting gas circuit in real time can monitor the sealing performance of the cutting gas circuit in real time in the laser processing process, can improve the troubleshooting efficiency and ensure the processing efficiency.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
FIG. 1 is an assembly view of an apparatus for real-time monitoring of the sealability of a laser-cut gas circuit provided in accordance with an embodiment of the present invention;
FIG. 2 is an exploded view of an apparatus for monitoring the sealing performance of a laser cutting gas circuit in real time according to an embodiment of the present invention;
FIG. 3 is a side view of an apparatus for real-time monitoring the gas path tightness in laser cutting according to an embodiment of the present invention;
FIG. 4 is a schematic sectional view taken along line A-A of FIG. 3;
fig. 5 is a schematic structural diagram of an air pressure detection module according to an embodiment of the present invention.
Reference numerals:
1. a first protective lens assembly;
11. a first protective mirror; 12. a first protective lens base; 13. a first protective cover plate; 14. first general stopper seal; 15. a first seal ring;
2. a mounting base; 21. identifying a cavity; 22. a detection channel;
3. a second protective mirror assembly;
31. a second protective glass; 32. a second protective lens base; 33. a second protective cover plate; 34. second general plugging; 35. a second seal ring;
4. an air pressure detection module;
41. a fixed seat; 42. a gas-sensitive film;
5. an air cavity seat; 51. an avoidance groove;
6. and a seal.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
It is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the utility model. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning. Wherein the terms "first position" and "second position" are two different positions.
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 5, this embodiment provides a device for monitoring the tightness of a laser cutting gas path in real time, which includes a first protective mirror assembly 1, a mounting base 2, and a second protective mirror assembly 3 connected in sequence from top to bottom, wherein the mounting base 2 is provided with a vertically through-going identification cavity 21, a first protective mirror 11 of the first protective mirror assembly 1 and a second protective mirror 31 of the second protective mirror assembly 3 can respectively cover the identification cavity 21 to form a seal, the mounting base 2 is further provided with a detection channel 22, the detection channel 22 is communicated with the identification cavity 21, the device for monitoring the tightness of the laser cutting gas path in real time further includes an air pressure detection module 4, the air pressure detection module 4 is detachably disposed in the mounting base 2, the air pressure detection module 4 includes a fixing base 41, a thimble, and a flexible resistor, the fixing base 41 can block one end of the detection channel 22 away from the identification cavity 21, and one end of the fixing base 41 close to the detection channel 22 is sealed by a gas sensitive film 42, the gas-sensitive film 42 can deform according to the air pressure change in the detection channel 22; the thimble is connected with the gas-sensitive film 42 and moves along with the deformation of the gas-sensitive film 42; the flexible resistor is electrically connected to the thimble, and the resistance value of the flexible resistor changes in response to deformation of the gas sensing film 42.
After the first protective mirror assembly 1, the mounting seat 2 and the second protective mirror assembly 3 are sequentially connected, because the identification cavity 21 is connected with the detection channel 22 and blocks the detection channel 22 through the air pressure detection module 4, if the sealing performance is good, the resistance value of the flexible resistor in the air pressure detection module 4 is always unchanged, and the inspection time of inspectors can be reduced; if the gas leakage phenomenon occurs due to poor sealing performance, the gas-sensitive film 42 deforms and drives the ejector pin to move due to the increase of the gas pressure in the mark cavity 21, so that the resistance value of the flexible resistor changes, and an inspector can quickly find and judge through the change of the resistance value, and can preliminarily judge whether the second protective mirror 31 is neglected or damaged according to the change of the electrogenerated value of the flexible resistor, so that the inspection time can be greatly shortened, the inspection efficiency is improved, and the gas-tight seal in laser processing is detected in real time through the change of the gas-sensitive film 42 to ensure the processing precision. The device for monitoring the sealing performance of the laser cutting gas circuit in real time can monitor the sealing performance of the cutting gas circuit in real time in the laser processing process, can improve the troubleshooting efficiency and ensure the processing efficiency.
It can be explained that, in the process of performing laser processing for a long time, since the first protective mirror assembly 1 does not need to be replaced periodically by the user himself and the probability of occurrence of a failure is low, and the second protective mirror 31 needs to be replaced periodically due to direct contact with cutting gas and the probability of occurrence of a failure is high, when the problem of airtightness occurs, the second protective mirror assembly 3 is preferentially examined.
It is understood that the flexible resistor is connected with a computer through a data acquisition unit so as to be convenient for the judgment of the inspectors. Of course, the flexible resistor and the calculator may be connected through a cable or wirelessly through a wifi signal, and the embodiment is not particularly limited.
Illustratively, the first protective mirror 11 and the second protective mirror 31 are transparent protective lenses through which laser light can pass.
The first protective lens assembly 1 further comprises a first protective lens base 12, a first protective cover plate 13 and a first general plug seal 14, wherein a first installation through groove is formed in the first protective lens base 12, the first protective lens 11 is arranged in the first installation through groove, and the first protective cover plate 13 is covered on the first installation through groove and can tightly press the first protective lens 11; the first protective glasses 11 are arranged on the first general plug seal 14, and the first general plug seal 14 is arranged on the first installation through groove and covers the edge of the first installation through groove. Through fixing the general stopper that seals that first general on leading to groove in first installation promptly can not only make first protective glass seat 12 and mount pad 2 cooperation more inseparabler to guarantee the leakproofness that first protective glass 11 and sign chamber 21 are connected, can also prevent that the dust in the air from getting into in sign chamber 21 and reducing the contact stress between first protective glass 11 and the first protective glass seat 12, with first protective glass 11 of protection, prolong the life of first protective glass 11.
Further, a first groove has been seted up on the lateral wall of the first protective cover plate 13, the first protective lens assembly 1 further comprises a first sealing ring 15, the first sealing ring 15 can be embedded in the first groove, so that the first protective lens holder 12 and the first protective cover plate 13 are more closely matched, and the laser cutting effect is influenced by the installation displacement when the first protective cover plate 13 is installed.
Illustratively, the first seal ring 15 is an O-ring.
Similarly, the second protection mirror assembly 3 further includes a second protection mirror base 32, a second protection cover plate 33 and a second general plug seal 34, the second protection mirror base 32 is provided with a second installation through groove, and the second protection mirror 31 is arranged in the second installation through groove; the second protective cover plate 33 covers the second mounting through groove and can press the second protective glasses 31; the second flooding plug seal 34 is disposed on the second mounting through slot and covers the edge of the second mounting through slot. Through fixing the general stopper of second on the logical groove of second installation promptly and not only can make second protective glass seat 32 and mount pad 2 cooperation inseparabler to guarantee the leakproofness that second protective glass 31 and sign chamber 21 are connected, can also reduce the contact stress between second protective glass 31 and the second protective glass seat 32, with protection second protective glass 31, prolong second protective glass 31's life.
Further, a second groove is formed in the side wall of the second protection cover plate 33, the second protection mirror assembly 3 further comprises a second sealing ring 35, and the second sealing ring 35 can be embedded in the second groove, so that the second protection mirror base 32 and the second protection cover plate 33 are matched more tightly, and the laser cutting effect is prevented from being influenced by installation displacement when the second protection cover plate 33 is installed.
Illustratively, the second seal ring 35 is an O-ring.
In this embodiment, the device for monitoring the sealing performance of the laser cutting gas path in real time further includes a gas cavity base 5, the mounting base 2 is detachably disposed on the gas cavity base 5, and the gas cavity base 5 is provided with an avoiding groove 51 so as to accommodate the second protective mirror assembly 3.
Specifically, be equipped with the seal groove according to predetermineeing the distance interval along dodging air cavity seat 5 at groove 51 edge, sealing member 6 can inlay and establish in the seal groove and the outer wall of sealing member 6 can laminate with the bottom surface of mount pad 2, and through the general stopper of sealing member 6 and second promptly and seal 34 in order to guarantee the leakproofness that air cavity seat 5 and mount pad 2 are connected, guarantee then that the sign chamber 21 is a confined space all the time, improve the accurate nature that atmospheric pressure detected.
Wherein, the upper portion and the lower part of mount pad 2 all are equipped with the slot, and first protective mirror subassembly 1 and second protective mirror subassembly 3 can peg graft with the slot respectively.
Specifically, the first protective lens assembly 1 further includes a first handle detachably connected to the first protective lens holder 12, and the first handle can be engaged with the slot; the second protective mirror assembly 3 further includes a second handle detachably connected to the second protective mirror base 32, and the second handle can be engaged with the slot. Of course, in other embodiments, other structures may be adopted to implement that the first protective mirror assembly 1 and the second protective mirror assembly 3 are respectively inserted into the slots, and this embodiment is not particularly limited.
In this embodiment, the device of real-time supervision laser cutting gas circuit leakproofness still includes temperature detection module, and temperature detection module sets up in mount pad 2 for detect the real-time temperature in the sign chamber 21, thereby the temperature in the light beam entering sign chamber 21 of real time monitoring laser effectively protects laser head, first protective glass 11 and second protective glass 31.
Optionally, the device for monitoring the sealing performance of the laser cutting gas path in real time further includes an astigmatism detection module, and the astigmatism detection module is arranged in the mounting base 2 and is used for detecting stray light of laser passing through the mark cavity 21, so that the condition that a beam of the laser enters the stray light in the mark cavity 21 is monitored in real time and the processing precision is ensured.
In the description herein, references to the description of "some embodiments," "other embodiments," or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (10)
1. The device for monitoring the sealing performance of the laser cutting gas circuit in real time is characterized by comprising a first protective mirror assembly (1), a mounting seat (2) and a second protective mirror assembly (3) which are sequentially connected from top to bottom, wherein a mark cavity (21) which is through from top to bottom is formed in the mounting seat (2), a first protective mirror (11) of the first protective mirror assembly (1) and a second protective mirror (31) of the second protective mirror assembly (3) can respectively cover the upper end and the lower end of the mark cavity (21) to form sealing, a detection channel (22) is further formed in the mounting seat (2), the detection channel (22) is communicated with the mark cavity (21), the device for monitoring the sealing performance of the laser cutting gas circuit in real time further comprises an air pressure detection module (4), and the air pressure detection module (4) is detachably arranged in the mounting seat (2), the air pressure detection module (4) comprises:
the fixing seat (41), the fixing seat (41) can seal one end of the detection channel (22) far away from the marking cavity (21), one end of the fixing seat (41) close to the detection channel (22) is sealed by a gas-sensitive film (42), and the gas-sensitive film (42) can deform according to the air pressure change in the detection channel (22);
the ejector pin is connected with the gas-sensitive film (42) and moves along with the deformation of the gas-sensitive film (42);
a flexible resistor electrically connected to the thimble, and a resistance value of the flexible resistor is changed by deformation of the gas sensitive film (42).
2. The device for monitoring the gas circuit tightness of laser cutting in real time according to claim 1, wherein the first protective lens assembly (1) further comprises:
the protective glasses comprise a first protective glasses base (12), wherein a first installation through groove is formed in the first protective glasses base (12), and the first protective glasses (11) are arranged in the first installation through groove;
the first protective cover plate (13) is covered on the first mounting through groove, and can press the first protective glasses (11);
the plug seal structure comprises a first general plug seal (14), wherein a first protective lens (11) is arranged on the first general plug seal (14), and the first general plug seal (14) is arranged on a first installation through groove and covers the edge of the first installation through groove.
3. The device for monitoring the tightness of the laser cutting gas circuit in real time according to claim 2, wherein a first groove is formed in the side wall of the first protective cover plate (13), the first protective lens assembly (1) further comprises a first sealing ring (15), and the first sealing ring (15) can be embedded in the first groove.
4. The device for real-time monitoring of laser cutting gas path tightness according to claim 1, wherein the second protective mirror assembly (3) further comprises:
the second protective lens seat (32) is provided with a second mounting through groove, and the second protective lens (31) is arranged in the second mounting through groove;
the second protective cover plate (33) is covered on the second mounting through groove and can press the second protective glasses (31);
and the second flooding plug seal (34) is arranged on the second mounting through groove and covers the edge of the second mounting through groove.
5. The device for monitoring the tightness of the laser cutting gas circuit in real time according to claim 4, characterized in that the device for monitoring the tightness of the laser cutting gas circuit in real time further comprises a gas cavity seat (5), the mounting seat (2) is detachably arranged on the gas cavity seat (5), and an avoiding groove (51) is arranged on the gas cavity seat (5) so as to accommodate the second protection mirror assembly (3).
6. The device for monitoring the gas circuit tightness in laser cutting in real time according to claim 5, wherein a sealing groove is arranged along the gas cavity seat (5) at the edge of the avoiding groove (51) at intervals of a preset distance, a sealing element (6) can be embedded in the sealing groove, and the outer wall of the sealing element (6) can be attached to the bottom surface of the mounting seat (2).
7. The device for monitoring the tightness of the laser cutting gas circuit in real time according to claim 1, wherein the first protective lens (11) and the second protective lens (31) are transparent protective lenses for laser to pass through.
8. The device for monitoring the tightness of the laser cutting gas circuit in real time as claimed in claim 1 to, wherein the device for monitoring the tightness of the laser cutting gas circuit in real time further comprises a temperature detection module, and the temperature detection module is arranged in the mounting seat (2) and used for detecting the real-time temperature in the identification cavity (21).
9. The device for monitoring the tightness of the laser cutting gas circuit in real time as claimed in claim 1, wherein the device for monitoring the tightness of the laser cutting gas circuit in real time further comprises a light scattering detection module, which is arranged in the mounting seat (2) and is used for detecting the stray light of the laser passing through the identification cavity (21).
10. The device for monitoring the gas circuit tightness of laser cutting in real time according to any one of claims 1 to 9, wherein the mounting seat (2) is provided with slots at the upper part and the lower part, and the first protective mirror assembly (1) and the second protective mirror assembly (3) can be plugged into the slots respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122829083.3U CN216541434U (en) | 2021-11-18 | 2021-11-18 | Device for monitoring sealing performance of laser cutting gas circuit in real time |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122829083.3U CN216541434U (en) | 2021-11-18 | 2021-11-18 | Device for monitoring sealing performance of laser cutting gas circuit in real time |
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| CN216541434U true CN216541434U (en) | 2022-05-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977105A (en) * | 2021-11-18 | 2022-01-28 | 上海波刺自动化科技有限公司 | Device for monitoring sealing performance of laser cutting gas circuit in real time |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977105A (en) * | 2021-11-18 | 2022-01-28 | 上海波刺自动化科技有限公司 | Device for monitoring sealing performance of laser cutting gas circuit in real time |
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