CN113145959A - Equipment and welding process for welding full-covered bottom of multilayer composite pot - Google Patents
Equipment and welding process for welding full-covered bottom of multilayer composite pot Download PDFInfo
- Publication number
- CN113145959A CN113145959A CN202110447365.9A CN202110447365A CN113145959A CN 113145959 A CN113145959 A CN 113145959A CN 202110447365 A CN202110447365 A CN 202110447365A CN 113145959 A CN113145959 A CN 113145959A
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- China
- Prior art keywords
- plate
- cavity
- full
- multilayer composite
- composite pot
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Classifications
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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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
- B23K1/206—Cleaning
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
Abstract
The invention relates to the technical field of composite pot production, and discloses equipment and a welding process for welding a full-covered bottom of a multilayer composite pot, wherein the equipment comprises a shell, a cavity is arranged in the shell, through holes are oppositely formed in the opposite side walls of the cavity, and plates penetrating through the cavity are arranged among the through holes; the cavity is internally provided with a rotating ring which is positioned at the through hole, a clamping piece used for clamping the plate is arranged in the rotating ring, a pickling mechanism used for pickling the plate is arranged in the cavity, the pickling mechanism comprises a protective cover covering the upper plate surface of the plate, an acid spraying head and an alkali spraying head are arranged in the protective cover, and a scraper which can rotate and is used for scraping and sweeping the plate is arranged in the protective cover. Through the structure, the acid liquor and the alkali liquor sprayed into the protective cover are scraped and smeared uniformly by the scraper, so that the plate is better pickled and the acid liquor after pickling is neutralized, and the plate is prevented from being corroded by the residual acid liquor.
Description
Technical Field
The invention relates to the technical field of composite pot production, in particular to equipment and a welding process for welding a full-covered bottom of a multilayer composite pot.
Background
Brazing, which is a welding method that after brazing filler metal lower than the melting point of a weldment and the weldment are heated to the melting temperature of the brazing filler metal at the same time, the liquid brazing filler metal is used for filling the gaps of solid workpieces to connect the metals. During brazing, an oxide film and oil stains on a contact surface of a base material are removed firstly, so that a capillary tube can play a role after the brazing filler metal is melted, and the wettability and the capillary fluidity of the brazing filler metal are improved.
In order to solve the problem that the stainless steel pot bottom is not uniformly heated, the stainless steel pot with the aluminum plate composite pot bottom is produced, the processing method mainly comprises brazing, and in the brazing processing process, an oxide film and oil stains on the contact surface of a plate need to be removed, so that the subsequent brazing operation is facilitated; at present, the plate materials are generally treated by acid pickling, however, the prior art lacks a better device for acid pickling the plate materials.
Disclosure of Invention
Aiming at certain or some defects in the prior art, the invention provides equipment for welding the full-covering bottom of a multilayer composite pot and a welding process.
In order to solve the above technical problems, the present invention is solved by the following technical solutions.
The equipment for welding the full-covered bottom of the multilayer composite pot comprises a shell, wherein a cavity is arranged in the shell, through holes are oppositely formed in the opposite side walls of the cavity, and plates penetrating through the cavity are arranged among the through holes; the cavity is internally provided with a rotating ring which is positioned at the through hole, a clamping piece used for clamping the plate is arranged in the rotating ring, a pickling mechanism used for pickling the plate is arranged in the cavity, the pickling mechanism comprises a protective cover covering the upper plate surface of the plate, an acid spraying head and an alkali spraying head are arranged in the protective cover, and a scraper which can rotate and is used for scraping and sweeping the plate is arranged in the protective cover.
By the structure, the acid liquor and the alkali liquor sprayed into the protective cover are scraped and smeared uniformly by the scraper, so that the plate is better pickled and the acid liquor after pickling is neutralized, and the plate is prevented from being corroded by the residual acid liquor.
Preferably, the opposite side walls of the cavity are oppositely provided with sliding chutes positioned above the through holes along the vertical direction, and the cavity is internally provided with a driving mechanism for driving the protective cover to lift; the driving mechanism comprises a lifting plate, the lifting plate is connected with the protective cover through a connecting rod, and a sliding rod extending into the corresponding sliding groove is arranged on the end surface of the lifting plate; the driving mechanism further comprises a driving rod, one end of the driving rod is hinged to the sliding rod, the other end of the driving rod is rotatably connected to the rotating ring, and the rotating ring is rotatably arranged on the side wall of the cavity.
Through the structure of the invention, the rotary ring rotates 180 degrees to drive the panel to turn over and simultaneously drive the protective cover to cover the panel surface of the turned panel, and the other side of the panel is preferably pickled.
Preferably, the side walls of the cavity at two sides of the plate are oppositely provided with accommodating grooves, rotating plates are hinged in the accommodating grooves, and water spray heads for spraying water to the plate are distributed on the rotating plates; the sliding rod is provided with a mounting frame, one end of the mounting frame is hinged to a hinge rod connected to the mounting frame, and the other end of the hinge rod is hinged to a corresponding rotating plate.
Through the structure of the plate cleaning device, the rotating plate is driven to rotate out of the accommodating groove to spray water for washing the plate in the process that the rotating ring rotates by 0-90 degrees, so that acid liquor and alkali liquor remained on the plate are preferably cleaned, and the rotating plate is driven to rotate into the accommodating groove for accommodating in the process that the rotating ring rotates by 90-180 degrees, so that the space occupied by the rotating plate in a cavity is reduced, and the structure of the plate cleaning device is compact.
Preferably, hinge holes are formed in the side walls opposite to the accommodating grooves and located at the upper end portions of the accommodating grooves, hinge columns extending into the corresponding hinge holes are formed in the rotating plate, and the rotating plate is connected in the accommodating grooves in a hinged mode.
Preferably, a sliding groove with a T-shaped section is formed in the opposite side face of the cavity along the circumferential direction of the through hole, a sliding block which is located in the sliding groove and slides is arranged on the side face of the rotating ring, a rack is arranged on the outer circumferential face of the rotating ring, and a gear which is matched with the rack is arranged on the shell through a first motor.
Through the structure of the invention, the slide block is arranged in the slide groove in a sliding way to realize that the rotating ring is connected to the side wall of the cavity in a rotating way, wherein the gear is meshed with the rack, so that the first motor drives the gear to rotate to drive the rack to rotate, and the forward and reverse rotation of the rotating ring between 0 and 180 degrees is preferably realized.
Preferably, the clamping member includes a connecting frame bolted in the rotating ring, and the connecting frame is provided with a guide wheel for clamping and guiding the plate, preferably, the plate is clamped and guided.
Preferably, the protective cover is provided with a second motor for driving the scraper to rotate, and the scraper is preferably rotated in the protective cover.
Preferably, the bottom of the housing is provided with a drain pipe, preferably for draining the sewage collected in the cavity.
The invention also provides a process for welding the full-coverage bottom of the multilayer composite pot, which uses the equipment for welding the full-coverage bottom of the multilayer composite pot, and comprises the following steps:
firstly, pickling a plate by using equipment for full-bottom-covering welding of a multilayer composite pot, and removing an oxide film and oil stains on the surface of the plate;
step two, drying, cutting and slitting the plate subjected to acid cleaning treatment;
and step three, coating brazing materials on the plate after the strip division and performing high-temperature brazing.
Drawings
FIG. 1 is a schematic view of an apparatus for full-bottomed welding of a multilayer composite pot according to example 1;
FIG. 2 is a schematic sectional view of the apparatus for welding the bottom of the multi-layer composite boiler according to example 1;
FIG. 3 is a partial schematic view of the apparatus in example 1;
FIG. 4 is a schematic view of a pickling mechanism in embodiment 1;
FIG. 5 is a schematic view of a rotating plate in embodiment 1;
FIG. 6 is a schematic view showing the installation of the swivel in embodiment 1;
fig. 7 is an enlarged schematic view of a portion a of fig. 6.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not limiting.
Example 1
As shown in fig. 1 to 7, the present embodiment provides a device for welding a multilayer composite pan with a full-covered bottom, which includes a casing 100, a cavity 211 is disposed in the casing 100, through holes 101 are disposed on opposite side walls of the cavity 211, and a plate 110 penetrating through the cavity 211 is disposed between the through holes 101; the rotating ring 220 is arranged in the cavity 211 and located at the through hole 101, the clamping piece 221 used for clamping the plate 110 is arranged in the rotating ring 220, the pickling mechanism 230 used for pickling the plate 110 is arranged in the cavity 211, the pickling mechanism 230 comprises a protective cover 310 covering the upper plate surface of the plate 110, an acid spraying head 411 and an alkali spraying head 412 are arranged in the protective cover 310, and a scraping plate 421 which can rotate and is used for scraping the plate 110 is arranged in the protective cover 230.
In this embodiment, the plate 110 horizontally penetrating through the cavity 211 is clamped by the clamping member 221, so that the plate is fixed on the rotating ring 220; the protective cover 310 is placed on the horizontal plate 110, acid liquor is sprayed out of the acid spraying head 411 in the protective cover to pickle the plate 110, due to the rotating arrangement of the scraping plate 421, oil stains, impurities and the like on the surface of the plate 110 can be scraped in the rotating process of the scraping plate 421, meanwhile, the scraped acid liquor is uniformly coated on the plate 110, so that the acid liquor can uniformly contact and react with the plate 110, the pickling effect of the plate 110 is better, and the acid consumption is saved; through the arrangement of the alkali spraying head 412, the alkali spraying head 412 can spray alkali liquor to neutralize acid liquor remained on the plate 110 after acid washing, and the alkali liquor uniformly contacts the plate 110 under the action of the scraper 412, so that the alkali liquor can better neutralize the acid liquor on the plate 110, and the plate is prevented from being excessively corroded; in this embodiment, the housing 100 is provided with an acid supply tank for supplying acid to the acid spray head 411 and an alkali supply tank for supplying alkali to the alkali spray head 412.
In this embodiment, the opposite side walls of the cavity 211 are oppositely provided with sliding slots 321 located above the through holes 101 along the up-down direction, and the cavity 211 is internally provided with a driving mechanism 240 for driving the protection cover 310 to ascend and descend; the driving mechanism 240 comprises a lifting plate 330, the lifting plate 330 is connected with the protective cover 310 through a connecting rod 331, and a sliding rod 431 extending into the corresponding sliding groove 321 is arranged on the end surface of the lifting plate 330; the driving mechanism 240 further comprises a driving rod 340 having one end hinged to the sliding rod 431, the other end of the driving rod 340 being rotatably connected to the rotating ring 220, and the rotating ring 220 being rotatably disposed on the sidewall of the cavity 211.
Through the arrangement of the sliding groove 321, the lifting plate 330, the connecting rod 331 and the sliding rod 431 in the embodiment, the sliding rod 431 is positioned in the sliding groove 321 to limit the position of the sliding rod 431, so that the sliding rod can only lift in the cavity 211; the connecting rod 331 is connected with the protective cover 310, so that the protective cover 310 is driven to lift in the lifting process of the lifting plate 330; in this embodiment, the sliding rod 431 penetrates through one end of the driving rod 340 to realize the hinged connection between the driving rod 340 and the sliding rod 431, the other end of the driving rod 340 is provided with a rotating column, a rotating groove for the rotating column to extend into is arranged on the rotating ring 220, preferably, the other end of the driving rod 340 is rotatably connected to the rotating ring 220, because the rotating ring 220 can be rotatably arranged, the rotating ring 220 rotates 180 degrees to drive the plate 110 to rotate 180 degrees, so as to realize the turnover of the plate 110, in the process that the rotating ring 220 rotates between 0 and 90 degrees, the driving rod 340 drives the lifting plate 330 to ascend along the sliding groove 321 to drive the protective cover 310 to ascend, and in the process that the rotating ring 220 rotates between 90 and 180 degrees, the driving rod 340 drives the lifting plate 330 to descend to drive the protective cover 310 to descend, so that the protective cover 310 covers the plate surface of the turnover plate 110, and the other surface of the plate 110 is pickled; during the rotation of the rotating ring 220, there is a rising height h of the shield 3101(t) and the vertical rising height h of the side of the plate 1102(t), the cooperating structure of the shield 310, the plate 110 and the driving rod 340 is in the process of 0-90 ° rotation, h1(t)>h2(t), therefore, the movement between the shield 310, the plate 110 and the driving rod 340 does not form interference; by adopting the structure in the present embodiment, the rotation of the rotary ring 220 by 180 ° in the forward and backward directions can preferably realize the pickling mechanism 230 for pickling the plate surface of the reversed plate 110, so that the apparatus can pickle both surfaces of the plate 110.
In this embodiment, the side walls of the cavity 211 at both sides of the board 110 are oppositely provided with storage grooves 212, the storage grooves are hinged with rotating plates 250, and the rotating plates 250 are provided with water spraying heads 511 for spraying water to the board 110; the sliding rod 431 is provided with a mounting frame 432, the mounting frame 432 is provided with a hinge rod 520 with one end hinged to the mounting frame 432, and the other end of the hinge rod 520 is hinged to the corresponding rotating plate 250.
In this embodiment, two ends of the hinge rod 520 are respectively hinged to the mounting frame 432 and the rotating plate 250, so that when the rotating ring 220 rotates between 0-90 ° to drive the lifting plate 330 to ascend, the hinge rod 520 drives the rotating plate 250 to rotate out of the accommodating groove 212, and since the water spray heads 511 are arranged on the lower end portion and the lower end side surface of the rotating plate 250, the water spray heads 511 spray clean water to wash the side surface of the plate 110 in the process of rotating the rotating plate 250 out of the accommodating groove, preferably wash the acid and alkali liquor remaining on the plate 110 after acid washing, so as to prevent the acid and alkali liquor from corroding the plate 110; when the rotating ring 220 rotates between 90 degrees and 180 degrees to drive the lifting plate 330 to descend, the hinge rod 520 drives the rotating plate 250 to rotate into the accommodating groove 212, so that the rotating plate 250 is accommodated in the accommodating groove 212 in the process of turning-over and pickling of the plate 110, the size of the space occupied by the cavity 211 is reduced, and the structure of the equipment is more compact; in this embodiment, the housing 100 is provided with a water supply tank for supplying water to the sprinkler head 511.
In this embodiment, hinge holes are oppositely formed on the opposite side walls of the receiving slot 212 and at the upper end, and hinge posts 512 extending into the corresponding hinge holes are formed on the rotating plate 250, so that the rotating plate 250 is preferably hinged in the receiving slot 212.
In this embodiment, a sliding groove with a T-shaped cross section is formed in the opposite side of the cavity 211 along the circumferential direction of the through hole 101, a sliding block 351 located in the sliding groove and sliding in the sliding groove is arranged on the side of the rotating ring 220, a rack 352 is arranged on the outer circumferential surface of the rotating ring 220, and a gear 611 matched with the rack 352 is arranged on the housing 100 through the first motor 610.
Through the structure of the embodiment, the sliding block 351 is slidably arranged in the sliding groove to realize the rotary connection of the rotary ring 220 on the side wall of the cavity 211, wherein the gear 611 and the rack 352 are engaged, so that the first motor 610 drives the gear 611 to rotate to drive the rack 352 to rotate, and preferably, the forward and reverse rotation of the rotary ring 220 between 0 and 180 degrees is realized.
In this embodiment, the clamping member 221 includes a connecting frame 711 bolted to the inside of the rotating ring 220, and the connecting frame 711 is provided with a guide wheel 712 for clamping and guiding the plate 110.
In this embodiment, the connection frame 711 is provided with a threaded column, the inner side wall of the rotary ring 220 is provided with a threaded hole, threads of the threaded column extend into the threaded hole to enable the connection frame 711 to be installed on the rotary ring 220, and the connection frame is arranged through the guide wheel 712, so that the plate 110 is clamped and guided.
In this embodiment, the protective cover 310 is provided with a second motor 311 for driving the scraper 421 to rotate, so as to preferably realize the rotation of the scraper 421 in the protective cover 310.
In this embodiment, a drain pipe 213 is provided at the bottom of the housing 100.
By the configuration in the present embodiment, the acid liquid, alkali liquid and sewage collected at the bottom of the cavity 211 can be discharged out of the cavity 211 through the drain pipe 213.
The embodiment also provides a multi-layer composite pot all-bottom-covering welding process, and the equipment for welding the multi-layer composite pot all-bottom-covering comprises the following steps:
step one, carrying out acid cleaning on the plate 110 by using equipment for full-bottom-covering welding of a multilayer composite pot, and removing an oxidation film and oil stains on the surface of the plate;
step two, drying, cutting and stripping the plate 110 after acid cleaning treatment;
and step three, coating a brazing material on the stripped plate 110 and brazing at a high temperature.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.
Claims (9)
1. The equipment for welding the full-covering bottom of the multilayer composite pot is characterized in that: the device comprises a shell (100), wherein a cavity (211) is arranged in the shell (100), through holes (101) are oppositely arranged on the opposite side walls of the cavity (211), and plates (110) penetrating through the cavity (211) are arranged among the through holes (101); just being located through-hole (101) department in cavity (211) and being equipped with change (220), be equipped with holder (221) that are used for centre gripping panel (110) in change (220), be equipped with in cavity (211) and be used for carrying out the pickling mechanism (230) of pickling to panel (110), pickling mechanism (230) are including covering protection casing (310) on panel (110) upper plate face, be equipped with in protection casing (310) and spout sour head (411) and alkali-spraying head (412), be equipped with rotatable and be used for scraping scraper blade (421) that sweep panel (110) in protection casing (230).
2. The full-bottom-covering welding equipment for the multilayer composite pot according to claim 1, characterized in that: the side wall opposite to the cavity (211) is provided with a sliding chute (321) positioned above the through hole (101) along the vertical direction, and a driving mechanism (240) used for driving the protective cover (310) to lift is arranged in the cavity (211); the driving mechanism (240) comprises a lifting plate (330), the lifting plate (330) is connected with the protective cover (310) through a connecting rod (331), and a sliding rod (431) extending into the corresponding sliding groove (321) is arranged on the end surface of the lifting plate (330); the driving mechanism (240) further comprises a driving rod (340) with one end hinged to the sliding rod (431), the other end of the driving rod (340) is rotatably connected to the rotating ring (220), and the rotating ring (220) is rotatably arranged on the side wall of the cavity (211).
3. The full-bottom-covering welding equipment for the multilayer composite pot according to claim 2, characterized in that: the side walls of the cavity (211) at two sides of the plate (110) are oppositely provided with accommodating grooves (212), rotating plates (250) are hinged in the accommodating grooves, and water spraying heads (511) for spraying water to the plate (110) are distributed on the rotating plates (250); be equipped with mounting bracket (432) on slide bar (431), be equipped with articulated rod (520) of connecting on mounting bracket (432) of one end on mounting bracket (432), the other end of articulated rod (520) is articulated to be connected on corresponding rotor plate (250).
4. The full-bottom-covering welding equipment for the multilayer composite pot according to claim 3, characterized in that: hinge holes are oppositely formed in the side walls opposite to the accommodating grooves (212) and positioned at the upper end parts, and hinge columns (512) extending into the corresponding hinge holes are arranged on the rotating plate (250).
5. The full-bottom-covering welding equipment for the multilayer composite pot according to claim 2, characterized in that: a sliding groove with a T-shaped section is formed in the opposite side face of the cavity (211) along the circumferential direction of the through hole (101), a sliding block (351) which is located in the sliding groove and slides is arranged on the side face of the rotating ring (220), a rack (352) is arranged on the outer circumferential face of the rotating ring (220), and a gear (611) which is matched with the rack (352) is arranged on the shell (100) through a first motor (610).
6. The full-bottom-covering welding equipment for the multilayer composite pot according to claim 1, characterized in that: the clamping piece (221) comprises a connecting frame (711) which is connected in the rotating ring (220) through bolts, and a guide wheel (712) used for clamping and guiding the plate (110) is arranged on the connecting frame (711).
7. The full-bottom-covering welding equipment for the multilayer composite pot according to claim 1, characterized in that: the protective cover (310) is provided with a second motor (311) for driving the scraper (421) to rotate.
8. The full-bottom-covering welding equipment for the multilayer composite pot according to claim 1, characterized in that: the bottom of the shell (100) is provided with a sewage draining pipe (213).
9. The process for welding the full-covering bottom of the multilayer composite pot by using the equipment for welding the full-covering bottom of the multilayer composite pot as claimed in any one of claims 1 to 8 comprises the following steps:
firstly, pickling a plate (110) by using equipment for full-bottom-covering welding of a multilayer composite pot, and removing an oxidation film and oil stains on the surface of the plate;
step two, drying, cutting and stripping the plate (110) after acid cleaning treatment;
and step three, coating brazing materials on the stripped plate (110) and brazing at high temperature.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110447365.9A CN113145959B (en) | 2021-04-25 | 2021-04-25 | Equipment and process for welding full-covered bottom of multilayer composite pot |
| PCT/CN2021/127131 WO2022227456A1 (en) | 2021-04-25 | 2021-10-28 | Full-covered bottom welding device and process for multi-layer composite pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110447365.9A CN113145959B (en) | 2021-04-25 | 2021-04-25 | Equipment and process for welding full-covered bottom of multilayer composite pot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113145959A true CN113145959A (en) | 2021-07-23 |
| CN113145959B CN113145959B (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110447365.9A Active CN113145959B (en) | 2021-04-25 | 2021-04-25 | Equipment and process for welding full-covered bottom of multilayer composite pot |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113145959B (en) |
| WO (1) | WO2022227456A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022227456A1 (en) * | 2021-04-25 | 2022-11-03 | 浙江赤诚工贸有限公司 | Full-covered bottom welding device and process for multi-layer composite pot |
| CN115283777A (en) * | 2022-10-08 | 2022-11-04 | 深圳市恒润鑫五金有限公司 | Brazing machine for metal column material plating treatment |
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- 2021-10-28 WO PCT/CN2021/127131 patent/WO2022227456A1/en active Application Filing
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| CN115283777A (en) * | 2022-10-08 | 2022-11-04 | 深圳市恒润鑫五金有限公司 | Brazing machine for metal column material plating treatment |
Also Published As
| Publication number | Publication date |
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| WO2022227456A1 (en) | 2022-11-03 |
| CN113145959B (en) | 2022-06-10 |
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Application publication date: 20210723 Assignee: Jinhua Yutong Trading Co.,Ltd. Assignor: ZHEJIANG CHICHENG INDUSTRY AND TRADE CO.,LTD. Contract record no.: X2023330000469 Denomination of invention: Equipment and Welding Process for Full Bottom Welding of Multilayer Composite Pots Granted publication date: 20220610 License type: Common License Record date: 20230802 |
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