CN115971656B - Atomizer Laser Welding Equipment - Google Patents
Atomizer Laser Welding Equipment Download PDFInfo
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- CN115971656B CN115971656B CN202310065936.1A CN202310065936A CN115971656B CN 115971656 B CN115971656 B CN 115971656B CN 202310065936 A CN202310065936 A CN 202310065936A CN 115971656 B CN115971656 B CN 115971656B
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- welding
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- cup body
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Coating Apparatus (AREA)
Abstract
The invention discloses atomizer laser welding equipment, which comprises an equipment table, wherein the top of the equipment table is rotationally connected with a turntable, and a laser welding assembly, a coating assembly, a welding line detection assembly and a compacting assembly are arranged on the top of the equipment table; the coating component can be used for coating a welding coating on the welding part of the cup body and the base; the pressing assembly comprises a transparent glass cover which can cover the top of the cup body, and the transparent glass cover applies pressure to the top of the cup body; before welding, the transparent glass cover presses the cup body to enable the welding coating to be pressed in a prolonged mode, and laser beams of the laser welding assembly can penetrate through the transparent glass cover to reach a welding position; after welding, the transparent glass cover seals the cup body, and the welding seam detection assembly detects the air tightness of the welding seam by utilizing air pressure.
Description
Technical Field
The invention relates to the technical field of atomizer welding, in particular to atomizer laser welding equipment.
Background
The welding of the cup body and the base in the atomizer needs to ensure the sealing performance, so that the leakage of compressed air generated during the working of the atomizer is avoided.
Because the cup is mostly transparent glass's material, lead to the welding efficiency of cup and base lower, and sealing performance is good and uneven to the welding yields has been reduced.
Disclosure of Invention
The invention aims to provide atomizer laser welding equipment which can be used for carrying out laser welding on a cup body and a base, guaranteeing the welding quality, detecting the sealing performance of a welding position and solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the atomizer laser welding equipment comprises an equipment table, wherein the top of the equipment table is rotationally connected with a turntable, and a laser welding assembly, a coating assembly, a welding line detection assembly and a compacting assembly are arranged at the top of the equipment table;
the coating component can be used for coating a welding coating on the welding part of the cup body and the base;
the pressing assembly comprises a transparent glass cover which can cover the top of the cup body, and the transparent glass cover applies pressure to the top of the cup body;
before welding, the transparent glass cover presses the cup body to enable the welding coating to be pressed in a prolonged mode, and laser beams of the laser welding assembly can penetrate through the transparent glass cover to reach a welding position;
after welding, the transparent glass cover seals the cup body, and the welding seam detection assembly detects the air tightness of the welding seam by utilizing air pressure.
Preferably, the welding seam detection assembly comprises a detection cylinder penetrating through the top of the transparent glass cover, a pump assembly for injecting fixed-value high-pressure detection gas into the cup body is arranged on the detection cylinder, a test groove is formed in the center of the bottom of the detection cylinder, a pressure sensor is fixedly arranged at the inner top of the test groove, a piston plate is slidably arranged in the test groove, a spring is fixedly arranged between the piston plate and the pressure sensor, and when a flaw exists at a welding position, the pressure received by the pressure sensor is gradually reduced.
Preferably, the pump assembly comprises a gas storage cavity arranged in the detection cylinder, the top of the detection cylinder is fixedly provided with a precise air pump, the output end of the precise air pump is fixedly provided with a pipeline, the pipeline is communicated with the inside of the gas storage cavity, the inner wall of the gas storage cavity is provided with a transfer channel communicated with the inside of the cup body, and the precise air pump can pump high-pressure gas with a fixed value into the inside of the gas storage cavity.
Preferably, the pressing assembly further comprises a rubber sheet fixedly arranged at the bottom of the transparent glass cover, and the top of the turntable is fixedly provided with a running assembly for controlling the transparent glass cover to horizontally press the top of the cup body.
Preferably, the coating assembly comprises a first electric telescopic rod fixedly mounted at the top of the equipment platform, a spray head is fixedly mounted at the output end of the first electric telescopic rod, a storage cavity is formed in the spray head, a plurality of spraying holes are formed in the inner bottom of the storage cavity in a penetrating mode, the spraying holes are distributed in an arc-shaped array, when the first electric telescopic rod outputs, the spraying holes can be made to be located above a welding position, and the coating assembly further comprises equipment for pumping welding coating into the storage cavity.
Preferably, the operation assembly comprises a lug fixedly arranged on the outer wall of the transparent glass cover, a second electric telescopic rod is fixedly arranged at the top of the rotary table, the output end of the second electric telescopic rod is fixedly connected with the bottom of the lug, and the bottom of the transparent glass cover can be tightly contacted with the top of the cup body when the second electric telescopic rod is input.
Preferably, the operation assembly comprises a vertical rod fixedly installed at the top of the turntable, a connecting rod is hinged to the top of the vertical rod, the connecting rod is fixedly connected with the outer wall of the transparent glass cover, a third electric telescopic rod is hinged between the outer wall of the vertical rod and the outer wall of the connecting rod, and the input and output of the third electric telescopic rod can adjust the angle of the transparent glass cover.
Preferably, the top fixed mounting of equipment platform has the loading tray, the recess has been seted up to the inner wall of loading tray, the outer wall fixed mounting of carousel has the flange, flange sliding connection makes the carousel can rotate the outer wall of connecting at the loading tray in the recess, the inner wall of equipment platform has servo motor through motor frame fixed mounting, the rotation of servo motor control carousel.
Preferably, the laser welding assembly comprises a stand fixedly arranged at the top of the equipment table, the top of the stand is slidably connected with a rotatable frame, and a laser welding head is arranged on the frame.
Preferably, the welding coating is a resin supporting layer capable of absorbing laser.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, by arranging the pressing component, pressure can be applied to the top of the cup body, the transparent glass cover can also seal the assembly formed between the cup body and the base, and the working laser beam of the laser welding component can penetrate through the transparent glass cover until reaching the welding position, so that laser welding is completed.
When the workpiece rotates, the laser beam can passively scan the welding position, so that integral welding is completed, after welding is completed, the inner part of the cup body can be subjected to air tightness detection through the welding seam detection assembly, and whether flaws of the welding position between the cup body and the base can be detected, so that the yield of a welding finished product is improved.
Before welding, the welding coating is required to be smeared on the base, and then the cup body and the base are in butt joint, so that the welding coating can be more uniform, the welding position can be uniformly heated when the laser beam works, and the welding quality is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the right-hand structure of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 taken along line A-A in accordance with the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3C according to the present invention;
FIG. 5 is a schematic view of a portion of the structure of FIG. 3 taken along line B-B in accordance with the present invention;
FIG. 6 is a schematic structural view of a second embodiment of the operational assembly of the present invention;
fig. 7 is a schematic structural diagram of welding according to the present invention, wherein F is pressure.
In the figure: 1. a laser welding head; 2. a vertical frame; 3. an equipment stand; 4. a carrying tray; 5. a turntable; 6. a cup body; 7. a base; 8. a spray head; 9. a transparent glass cover; 11. a detection cylinder; 12. a precision air pump; 13. a rubber sheet; 14. a first electrical telescopic rod; 15. a second electrical telescopic rod; 16. a servo motor; 17. a pipe; 18. a gas storage chamber; 19. a transfer channel; 20. a test slot; 21. a piston plate; 22. a spring; 23. a pressure sensor; 24. a storage chamber; 25. spraying holes; 26. a vertical rod; 27. a third electrical telescopic rod; 28. and a connecting rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: the atomizer laser welding equipment comprises an equipment table 3, wherein a turntable 5 is rotationally connected to the top of the equipment table 3, and a laser welding assembly, a coating assembly, a welding line detection assembly and a compacting assembly are installed on the top of the equipment table 3.
The coating assembly may apply a weld coating to the weld of the cup 6 and the base 7.
The compression assembly includes a transparent glass cover 9 that can be placed over the top of the cup 6, the transparent glass cover 9 applying pressure to the top of the cup 6.
Before welding, the transparent glass cover 9 presses the cup body 6 to enable the welding coating to be pressed in a prolonged mode, and laser beams of the laser welding assembly can penetrate through the transparent glass cover 9 to reach the welding position.
After welding, the cup 6 is sealed by the transparent glass cover 9, and the welding seam detection assembly detects the air tightness of the welding seam by utilizing air pressure.
In the process of laser welding, a certain degree of pressure needs to be applied to the cup body 6, so that a pretightening force exists at the welding position between the bottom of the cup body 6 and the base 7, and the quality of laser welding is improved.
The invention can apply pressure to the top of the cup body 6 by arranging the pressing component, can also enable the transparent glass cover 9 to seal the assembly formed between the cup body 6 and the base 7, and the working laser beam of the laser welding component can penetrate through the transparent glass cover 9 to finish laser welding until the welding position.
Before welding, the welding coating is required to be smeared on the base 7, and then the cup body 6 and the base 7 are in butt joint, so that the welding coating can be more uniform, the welding position can be uniformly heated when the laser beam works, and the welding quality is improved.
In a preferred embodiment, the welding seam detecting assembly comprises a detecting cylinder 11 penetrating through the top of the transparent glass cover 9, a pump assembly for injecting fixed-value high-pressure detecting gas into the cup 6 is installed on the detecting cylinder 11, a testing groove 20 is formed in the center of the bottom of the detecting cylinder 11, a pressure sensor 23 is fixedly installed at the inner top of the testing groove 20, a piston plate 21 is slidably installed in the testing groove 20, a spring 22 is fixedly installed between the piston plate 21 and the pressure sensor 23, and when a flaw exists at a welding position, the pressure received by the pressure sensor 23 is gradually reduced.
Referring to fig. 4 in detail, the precondition of this implementation is that the welding is completed, and the transparent glass cover 9 seals the assembly formed by welding the cup 6 and the base 7, so that a sealed chamber is formed between the cup 6, the transparent glass cover 9 and the base 7, at this time, a certain amount of high-pressure gas is injected into the chamber through the pump assembly, before the injection, the pressure between the space between the test groove 20 and the piston plate 21 is equal to the pressure between the chamber, when the certain amount of high-pressure gas is injected, a pressure difference occurs between the two, the piston plate 21 breaks through the elastic limit of the spring 22 and slides upwards, so that the pressure sensor 23 can receive a correct pressure value, when a flaw exists at the welding seam between the assembly of the cup 6 and the base 7, the high-pressure gas leaks to the outside through the flaw, so that the gas pressure in the chamber is gradually reduced, and the pressure received by the pressure sensor 23 is gradually reduced, at this time, the problem of sealing performance of the welding seam can be determined.
Further, the pump assembly comprises a gas storage cavity 18 arranged in the detection cylinder 11, the top of the detection cylinder 11 is fixedly provided with a precise air pump 12, the output end of the precise air pump 12 is fixedly provided with a pipeline 17, the pipeline 17 is communicated with the inside of the gas storage cavity 18, the inner wall of the gas storage cavity 18 is provided with a transfer channel 19 communicated with the inside of the cup body 6, and the precise air pump 12 can pump high-pressure gas with a fixed value into the inside of the gas storage cavity 18.
Through the cooperation of gas storage cavity 18 and transfer passage 19, can make the output of accurate air pump 12 can with the cavity in-connection to can make accurate air pump 12 can be to the inside injection high-pressure gas of cup 6, thereby provide the air supply for the welding seam detection subassembly.
Wherein the transfer channel 19 and the test slot 20 are non-interfering with each other.
The preferred embodiment of the pressing assembly further comprises a rubber sheet 13 fixedly installed at the bottom of the transparent glass cover 9, the top of the turntable 5 is fixedly installed to control the transparent glass cover 9 to perform horizontal pressing on the top of the cup 6, the sealing performance of the transparent glass cover 9 to the cup 6 can be effectively improved by arranging the rubber sheet 13, and the pressing assembly applies pressure to the top of the cup 6 through the transparent glass cover 9, so that the sealing effect of the rubber sheet 13 can be better exerted.
In a preferred embodiment, the coating component comprises a first electric telescopic rod 14 fixedly installed at the top of the equipment platform 3, a spray head 8 is fixedly installed at the output end of the first electric telescopic rod 14, a storage cavity 24 is arranged in the spray head 8, a plurality of spraying holes 25 are formed in the inner bottom of the storage cavity 24 in a penetrating mode, the spraying holes 25 are distributed in an arc-shaped array, when the first electric telescopic rod 14 outputs, the spraying holes 25 can be located above welding positions, and the coating component further comprises equipment for pumping welding coating into the storage cavity 24.
Referring to fig. 5, in this embodiment, by enabling the pressing assembly, the cup 6 and the base 7 to rotate synchronously, when the base 7 is mounted on the top of the turntable 5, the first electric telescopic rod 14 is enabled to work, so that the spray head 8 and the spraying hole 25 move to corresponding positions, and by enabling the turntable 5 to rotate, the welding coating can be effectively coated on the top of the base 7, namely, the welding position between the cup 6 and the base 7, wherein the plurality of spraying holes 25 are distributed in an arc array, and a plurality of coating rings can be attached to the welding position, so that the uniformity of the welding coating is improved, the heated uniformity of the cup 6 and the base 7 at the welding position is improved, and the welding quality is further improved.
Two embodiments of the operating assembly are provided below:
first embodiment:
the operation assembly comprises a lug fixedly arranged on the outer wall of the transparent glass cover 9, a second electric telescopic rod 15 is fixedly arranged at the top of the turntable 5, the output end of the second electric telescopic rod 15 is fixedly connected with the bottom of the lug, and the bottom of the transparent glass cover 9 can be tightly contacted with the top of the cup body 6 when the second electric telescopic rod 15 is input.
Through the cooperation of second electric telescopic link 15, lug and transparent glass lid 9, can make transparent glass lid 9 wholly carry out the removal of vertical direction to can avoid transparent glass lid 9 to prevent when compressing tightly cup 6 that cup 6 squints, and utilize second electric telescopic link 15 can better provide power and locking ability for the compressing tightly of transparent glass lid 9, ensure the seal to cup 6.
Second embodiment:
the operation assembly comprises a vertical rod 26 fixedly arranged at the top of the turntable 5, a connecting rod 28 is hinged at the top of the vertical rod 26, the connecting rod 28 is fixedly connected with the outer wall of the transparent glass cover 9, a third electric telescopic rod 27 is hinged between the outer wall of the vertical rod 26 and the outer wall of the connecting rod 28, and the angle of the transparent glass cover 9 can be adjusted by the input and output of the third electric telescopic rod 27.
Referring to fig. 6 in detail, by installing the upright rod 26 on the turntable 5, the transparent glass cover 9 is rotatably connected with the connecting rod 28 and the upright rod 26, and three connecting rods are formed among the third electric telescopic rod 27, the connecting rod 28 and the upright rod 26, and the angle of the connecting rod 28 relative to the upright rod 26 can be adjusted through the input and output of the third electric telescopic rod 27, so that the transparent glass cover 9 can be turned over, the top of the cup 6 can be horizontally pressed by the transparent glass cover 9, and unlike the first embodiment, the space can be released in a turning-over manner, and interference on the laser welding assembly is avoided.
In a preferred embodiment, referring to fig. 3, a carrying tray 4 is fixedly installed on the top of the equipment platform 3, a groove is formed in the inner wall of the carrying tray 4, a flange is fixedly installed on the outer wall of the turntable 5, the flange is slidably connected in the groove, so that the turntable 5 can be rotatably connected to the outer wall of the carrying tray 4, a servo motor 16 is fixedly installed on the inner wall of the equipment platform 3 through a motor frame, and the servo motor 16 controls the turntable 5 to rotate.
Further, the laser welding assembly comprises a vertical frame 2 fixedly arranged at the top of the equipment table 3, a rotatable frame is slidably connected to the top of the vertical frame 2, and a laser welding head 1 is arranged on the frame.
Still further, the weld coating is a laser-absorptive resin support layer.
In summary, the invention can not only carry out laser welding on the cup body 6 and the base 7 and ensure the welding quality, but also detect the sealing performance of the welding position.
The standard components used in the present embodiment may be purchased directly from the market, but the nonstandard structural components according to the descriptions of the specification and the drawings may also be obtained by unambiguous processing according to the conventional technical knowledge, and meanwhile, the connection manner of each component adopts the conventional means mature in the prior art, and the machinery, the components and the equipment all adopt the conventional types in the prior art, so that the specific description will not be made here.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Atomizer laser welding equipment, including equipment platform (3), its characterized in that: the top of the equipment table (3) is rotationally connected with a turntable (5), and a laser welding assembly, a coating assembly, a welding line detection assembly and a compacting assembly are arranged at the top of the equipment table (3);
the coating component can be used for coating a welding coating on the welding part of the cup body (6) and the base (7);
the pressing assembly comprises a transparent glass cover (9) capable of being covered on the top of the cup body (6), and the transparent glass cover (9) applies pressure to the top of the cup body (6);
before welding, the transparent glass cover (9) presses the cup body (6) to enable the welding coating to be pressed in a prolonged mode, and laser beams of the laser welding assembly can penetrate through the transparent glass cover (9) to reach a welding position;
after welding, the transparent glass cover (9) seals the cup body (6), and the welding seam detection assembly detects the air tightness of the welding seam by utilizing air pressure;
the welding seam detection assembly comprises a detection cylinder (11) penetrating through the top of a transparent glass cover (9), a pump assembly for injecting fixed-value high-pressure detection gas into the cup body (6) is arranged on the detection cylinder (11), a test groove (20) is formed in the center of the bottom of the detection cylinder (11), a pressure sensor (23) is fixedly arranged at the inner top of the test groove (20), a piston plate (21) is slidably arranged in the test groove (20), a spring (22) is fixedly arranged between the piston plate (21) and the pressure sensor (23), and when flaws exist at a welding position, the pressure received by the pressure sensor (23) is gradually reduced.
2. The atomizer laser welding apparatus according to claim 1, wherein: the pump assembly comprises a gas storage cavity (18) formed in the detection cylinder (11), a precise air pump (12) is fixedly arranged at the top of the detection cylinder (11), a pipeline (17) is fixedly arranged at the output end of the precise air pump (12), the pipeline (17) is communicated with the inside of the gas storage cavity (18), a transfer channel (19) communicated with the inside of the cup body (6) is formed in the inner wall of the gas storage cavity (18), and the precise air pump (12) can pump high-pressure gas with a fixed value into the inside of the gas storage cavity (18).
3. The atomizer laser welding apparatus according to claim 1, wherein: the pressing assembly further comprises a rubber sheet (13) fixedly mounted at the bottom of the transparent glass cover (9), and the top of the rotary table (5) is fixedly provided with a running assembly for controlling the transparent glass cover (9) to horizontally press the top of the cup body (6).
4. The atomizer laser welding apparatus according to claim 1, wherein: the coating assembly comprises a first electric telescopic rod (14) fixedly mounted at the top of the equipment table (3), a spray head (8) is fixedly mounted at the output end of the first electric telescopic rod (14), a storage cavity (24) is formed in the spray head (8), a plurality of spraying holes (25) are formed in the inner bottom of the storage cavity (24) in a penetrating mode, the spraying holes (25) are distributed in an arc-shaped array, when the first electric telescopic rod (14) outputs, the spraying holes (25) are located above a welding position, and the coating assembly further comprises equipment for pumping welding coating into the storage cavity (24).
5. A nebulizer laser welding apparatus as claimed in claim 3, wherein: the operation assembly comprises a lug fixedly arranged on the outer wall of the transparent glass cover (9), a second electric telescopic rod (15) is fixedly arranged at the top of the rotary table (5), the output end of the second electric telescopic rod (15) is fixedly connected with the bottom of the lug, and the bottom of the transparent glass cover (9) can be tightly contacted with the top of the cup body (6) when the second electric telescopic rod (15) is input.
6. A nebulizer laser welding apparatus as claimed in claim 3, wherein: the operation assembly comprises a vertical rod (26) fixedly installed at the top of the turntable (5), a connecting rod (28) is hinged to the top of the vertical rod (26), the connecting rod (28) is fixedly connected with the outer wall of the transparent glass cover (9), a third electric telescopic rod (27) is hinged between the outer wall of the vertical rod (26) and the outer wall of the connecting rod (28), and the angle of the transparent glass cover (9) can be adjusted through the input and the output of the third electric telescopic rod (27).
7. The atomizer laser welding apparatus according to claim 1, wherein: the top fixed mounting of equipment platform (3) has loading tray (4), the recess has been seted up to the inner wall of loading tray (4), the outer wall fixed mounting of carousel (5) has the flange, flange sliding connection makes carousel (5) can rotate the outer wall of connecting at loading tray (4), the inner wall of equipment platform (3) has servo motor (16) through motor frame fixed mounting, the rotation of servo motor (16) control carousel (5).
8. The atomizer laser welding apparatus according to any one of claims 1 to 7, wherein: the laser welding assembly comprises a stand (2) fixedly arranged at the top of the equipment table (3), the top of the stand (2) is slidably connected with a rotatable frame, and a laser welding head (1) is arranged on the frame.
9. The atomizer laser welding apparatus according to claim 8, wherein: the welding coating is a resin supporting layer capable of absorbing laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310065936.1A CN115971656B (en) | 2023-02-06 | 2023-02-06 | Atomizer Laser Welding Equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310065936.1A CN115971656B (en) | 2023-02-06 | 2023-02-06 | Atomizer Laser Welding Equipment |
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| CN115971656A CN115971656A (en) | 2023-04-18 |
| CN115971656B true CN115971656B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310065936.1A Active CN115971656B (en) | 2023-02-06 | 2023-02-06 | Atomizer Laser Welding Equipment |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117161560B (en) * | 2023-11-03 | 2024-02-06 | 山东龙口三元铝材有限公司 | Coiled material banding welding set |
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| CN215432017U (en) * | 2021-09-03 | 2022-01-07 | 武义西林德机械制造有限公司 | High refrigerant bottle welding equipment of security |
| CN217045015U (en) * | 2021-11-15 | 2022-07-26 | 膳魔师（江苏）家庭制品有限公司 | A welded structure for novel bottom of thermos cup |
| CN217878193U (en) * | 2022-06-01 | 2022-11-22 | 广州和泉食品有限公司 | Leakproofness detector convenient to observe |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458504A (en) * | 2015-12-16 | 2016-04-06 | 中国原子能科学研究院 | Device and process for sealing high pressure gas in tubular samples |
| CN207788126U (en) * | 2018-02-01 | 2018-08-31 | 青岛海启星自动化科技股份有限公司 | A kind of compressor case welding clamping tooling |
| CN210132185U (en) * | 2019-07-09 | 2020-03-10 | 谭健康 | Circumferential weld welding equipment for fire extinguisher |
| CN212169340U (en) * | 2020-05-22 | 2020-12-18 | 上海三井真空设备有限公司 | Welding device for sealed container |
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| CN217878193U (en) * | 2022-06-01 | 2022-11-22 | 广州和泉食品有限公司 | Leakproofness detector convenient to observe |
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| CN115971656A (en) | 2023-04-18 |
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