CN115091068B - Locking structure for self-cleaning filter cartridge automatic welding workstation and use method thereof - Google Patents
Locking structure for self-cleaning filter cartridge automatic welding workstation and use method thereof Download PDFInfo
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- CN115091068B CN115091068B CN202210164444.3A CN202210164444A CN115091068B CN 115091068 B CN115091068 B CN 115091068B CN 202210164444 A CN202210164444 A CN 202210164444A CN 115091068 B CN115091068 B CN 115091068B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 41
- 238000003466 welding Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000006073 displacement reaction Methods 0.000 claims description 74
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 230000006872 improvement Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a locking structure for a self-cleaning filter cartridge automatic welding workstation and a use method thereof, and relates to the technical field of self-cleaning filter cartridge production. This self-cleaning filter cartridge automatic weld workstation is with locking structure, including self-cleaning filter cartridge and workstation, self-cleaning filter cartridge includes the barrel, the bottom of barrel is provided with the cartridge end flange, the left side intercommunication of barrel has the siphunculus down, the right side intercommunication of barrel has the siphunculus. According to the locking structure for the self-cleaning filter cylinder automatic welding workstation and the use method thereof, the relative orientation between the self-cleaning filter cylinder position, the lower through pipe and the upper through pipe can be well limited through the improvement of the locking mechanism, manual observation is not needed in full-automatic operation, the technical level requirements on operators are reduced while the working efficiency is improved, the occupation proportion of unqualified products is reduced, the whole device is simple in structure, the improvement cost is low, and the device is suitable for mass production.
Description
Technical Field
The invention relates to the technical field of self-cleaning filter cartridge production, in particular to a locking structure for a self-cleaning filter cartridge automatic welding workstation and a use method thereof.
Background
The self-cleaning filter is precise equipment which directly intercepts impurities in water by utilizing a filter screen, removes suspended matters and particulate matters in the water, reduces turbidity, purifies water quality, reduces the generation of dirt, bacteria and algae, rust and the like of a system, so as to purify the water quality and protect other equipment of the system, wherein the water enters a self-cleaning filter body through a water inlet, and the system can automatically identify the deposition degree of the impurities due to the design of intellectualization (PLC and PAC), so that the pollution discharge valve can automatically and fully discharge the signals, and the self-cleaning filter cylinder is one of the components of the self-cleaning filter;
when the part self-cleaning filter cylinder is manufactured, an upper through pipe and a lower through pipe exist, the direction of the upper through pipe is required to be opposite to that of the lower through pipe, in the prior art, the direction of the upper through pipe is only required to be opposite to that of the lower through pipe through a manual observation mode, the technical requirements of operators are increased, the working efficiency is reduced, meanwhile, the occupation proportion of unqualified products is increased, and the large-scale production is not facilitated.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a locking structure for a self-cleaning filter cylinder automatic welding workstation and a use method thereof, and solves the problems that in the prior art, the directions of an upper through pipe and a lower through pipe are opposite only through a manual observation mode, the technical requirements of operators are increased, the working efficiency is reduced, meanwhile, the occupation proportion of unqualified products is increased, and the large-scale production is not facilitated.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a self-cleaning filter cartridge automatic weld workstation is with locking structure, includes self-cleaning filter cartridge and workstation, self-cleaning filter cartridge includes the barrel, the bottom of barrel is provided with the cartridge end flange, the left side intercommunication of barrel has the siphunculus down, the right side intercommunication of barrel has the siphunculus, the siphunculus down is opposite with the orientation of siphunculus on, the workstation includes X axle gyration support base, one side of X axle gyration support base is provided with Y axle gyration support base, be provided with locking mechanism on the Y axle gyration support base;
the locking mechanism comprises a base, wherein a center plate is fixedly arranged on the base through bolts, three side bases are symmetrically arranged around the center plate, the side bases are fixedly arranged on the base through bolts, sliding grooves are formed in the side bases, displacement blocks are arranged on the side bases, limit bolts penetrate through the displacement blocks, limit nuts are sleeved on the surfaces of the limit bolts and above the displacement blocks, adjusting bolt bases are arranged between the displacement blocks and the side bases, the limit bolts penetrate through the adjusting bolt bases and the sliding grooves, and the pressure among the displacement blocks, the adjusting bolt bases and the side bases can be changed by rotating the limit nuts relative to the limit bolts;
the side base is provided with a guide bolt, the displacement block is provided with a guide groove matched with the guide bolt, the guide bolt is arranged on the guide groove in a penetrating way, and the guide bolt can freely move along the direction of the guide groove;
a clamping plate is arranged on one side, close to the central plate, of the displacement block, a pressure sensor is arranged on one side, far away from the displacement block, of the clamping plate, and balls are arranged at the protruding part of the central plate;
one side welding of base is provided with the track base, be provided with the slip track on the track base, be provided with the slider on the slip track, be provided with the diaphragm on the slider.
The application method of the locking structure for the self-cleaning filter cartridge automatic welding workstation comprises the following specific operations:
a through hole is formed in the cylinder body, a lower through pipe is installed in a welding mode, and then a filter cylinder end flange is installed at the bottom of the cylinder body in a welding mode;
the displacement block close to the track base is called a class A displacement block, the clamping plate corresponding to the displacement block is called a class A clamping plate, the displacement block opposite to the track base is called a class B displacement block, and the clamping plate corresponding to the displacement block is called a class B clamping plate;
removing the limit bolt and then moving the class A displacement block so that the class A displacement block is far away from the central plate;
sleeving the cylinder body on the surface of the central plate, then installing a limit bolt, gradually moving the A-type displacement block, enabling the A-type clamping plate to be gradually close to the filter cylinder end flange, enabling the A-type clamping plate to clamp the filter cylinder end flange, enabling a gap of 0.2-1cm to exist between the pressure sensor and the surface of the cylinder body, and then tightening the limit bolt corresponding to the A-type displacement block, so that the A-type displacement block cannot move;
rotating the cylinder body to enable the lower through pipe to face the transverse plate, then moving the transverse plate to enable the transverse plate to be attached to the port of the lower through pipe, and then moving the B-type displacement block to enable a pressure sensor on the B-type displacement block to have a numerical value, and simultaneously tightening a limit bolt corresponding to the B-type displacement block to enable the B-type displacement block to be unable to move;
a through hole is formed in the cylinder body right above the B-type displacement block, and an upper through pipe is installed in a welding mode;
and unscrewing the limit bolt, moving the displacement block to be far away from the cylinder body, and then taking down the cylinder body to finish the processing of the self-cleaning filter cylinder.
(III) beneficial effects
The invention provides a locking structure for a self-cleaning filter cartridge automatic welding workstation and a use method thereof. The beneficial effects are as follows:
according to the locking structure for the self-cleaning filter cylinder automatic welding workstation and the use method thereof, the relative orientation between the self-cleaning filter cylinder position, the lower through pipe and the upper through pipe can be well limited through the improvement of the locking mechanism, manual observation is not needed in full-automatic operation, the technical level requirements on operators are reduced while the working efficiency is improved, the occupation proportion of unqualified products is reduced, the whole device is simple in structure, the improvement cost is low, and the device is suitable for mass production.
Drawings
FIG. 1 is a top view of the structure of the present invention;
FIG. 2 is a side view of the structure of the present invention;
FIG. 3 is a schematic view of a self-cleaning cartridge according to the present invention;
FIG. 4 is a schematic view of the locking mechanism of the present invention;
FIG. 5 is an enlarged view of a portion of the present invention A-A;
fig. 6 is a schematic view of the combination of the locking mechanism and the self-cleaning cartridge of the present invention.
In the figure: 1. an X-axis rotary support base; 2. a Y-axis rotary support base; 3. a locking mechanism; 301. a track base; 302. a slide block; 303. a base; 304. a center plate; 305. a cross plate; 306. a sliding rail; 307. a clamping plate; 308. a displacement block; 309. a limit bolt; 310. an adjusting bolt base; 311. a limit nut; 312. a ball; 313. a pressure sensor; 314. a guide bolt; 315. a guide groove; 316. a base; 317. a sliding groove; 4. a cylinder; 5. a cartridge end flange; 6. a lower through pipe; 7. and (5) feeding a through pipe.
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. 1-6, the present invention provides a technical solution: the utility model provides a self-cleaning filter cartridge automatic weld workstation is with locking structure, including self-cleaning filter cartridge and workstation, self-cleaning filter cartridge includes barrel 4, the bottom of barrel 4 is provided with cartridge end flange 5, the left side intercommunication of barrel 4 has down siphunculus 6, the right side intercommunication of barrel 4 has upper siphunculus 7, down siphunculus 6 and upper siphunculus 7 are opposite to the orientation, the workstation includes X axle gyration support base 1, one side of X axle gyration support base 1 is provided with Y axle gyration support base 2, be provided with locking mechanism 3 on the Y axle gyration support base 2;
the locking mechanism 3 comprises a base 303, a center plate 304 is fixedly arranged on the base 303 through bolts, three side bases 316 are symmetrically arranged around the center plate 304, the side bases 316 are fixed on the base 303 through bolts, sliding grooves 317 are formed in the side bases 316, displacement blocks 308 are arranged on the side bases 316, limiting bolts 309 penetrate through the displacement blocks 308, limiting nuts 311 are sleeved on the surfaces of the limiting bolts 309 and above the displacement blocks 308, an adjusting bolt base 310 is arranged between the displacement blocks 308 and the side bases 316, the limiting bolts 309 penetrate through the adjusting bolt base 310 and the sliding grooves 317, and the pressure among the displacement blocks 308, the adjusting bolt base 310 and the side bases 316 can be changed by rotating the limiting nuts 311 relative to the limiting bolts 309;
the side base 316 is provided with a guide bolt 314, the displacement block 308 is provided with a guide groove 315 matched with the guide bolt 314, the guide bolt 314 is arranged on the guide groove 315 in a penetrating manner, and the guide bolt 314 can freely move along the direction of the guide groove 315;
a clamping plate 307 is arranged on one side of the displacement block 308, which is close to the center plate 304, a pressure sensor 313 is arranged on one side of the clamping plate 307, which is far away from the displacement block 308, and balls 312 are arranged at the protruding part of the center plate 304;
one side of the base 303 is welded with a track base 301, a sliding track 306 is arranged on the track base 301, a sliding block 302 is arranged on the sliding track 306, and a transverse plate 305 is arranged on the sliding block 302.
The application method of the locking structure for the self-cleaning filter cartridge automatic welding workstation comprises the following specific operations:
a through hole is formed in the cylinder body 4, a lower through pipe 6 is installed in a welding mode, and then a filter cylinder end flange 5 is installed at the bottom of the cylinder body 4 in a welding mode;
the displacement block 308 close to the track base 301 is referred to as a class a displacement block, the corresponding clamping plate 307 is referred to as a class a clamping plate, the displacement block 308 opposite to the track base 301 is referred to as a class B displacement block, and the corresponding clamping plate 307 is referred to as a class B clamping plate;
removing the stop bolt 309 then moves the class a displacement block such that the class a displacement block is away from the center plate 304;
sleeving the cylinder body 4 on the surface of the central plate 304, then installing a limit bolt 309, gradually moving a class A displacement block, enabling the class A clamping plate to be gradually close to the filter cylinder end flange 5, enabling the class A clamping plate to clamp the filter cylinder end flange 5, enabling a gap of 0.2 cm to 1cm to exist between the pressure sensor 313 and the surface of the cylinder body 4, and then tightening the limit bolt 309 corresponding to the class A displacement block, so that the class A displacement block cannot move;
the cylinder 4 is rotated to enable the lower through pipe 6 to face the transverse plate 305, then the transverse plate 305 is moved to enable the transverse plate 305 to be attached to the port of the lower through pipe 6, then the B-type displacement block is moved to enable a pressure sensor 313 on the B-type displacement block to have a numerical value, and meanwhile limit bolts 309 corresponding to the B-type displacement block are screwed down to enable the B-type displacement block to be unable to move;
a through hole is formed in the cylinder 4 right above the B-type displacement block, and an upper through pipe 7 is arranged in a welding mode;
the limiting bolt 309 is loosened, the displacement block 308 is moved away from the cylinder body 4, and then the cylinder body 4 is removed, so that the self-cleaning filter cartridge is finished.
In summary, this lock structure for self-cleaning filter cartridge automatic weld workstation and application method thereof, through the improvement of lock mechanism, the relative orientation between self-cleaning filter cartridge position and lower siphunculus, the upper siphunculus is passed in the realization that can be fine, and full-automatic operation need not the manual work and observes, has reduced the technical level requirement to operating personnel when improving work efficiency, has reduced the occupation proportion of disqualified product, and whole device simple structure improves with low costs, is applicable to mass production.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (2)
1. The utility model provides a self-cleaning strains a locking structure for automatic weld workstation, includes self-cleaning and strains a section of thick bamboo and workstation, self-cleaning strains a section of thick bamboo including barrel (4), the bottom of barrel (4) is provided with and strains a section of thick bamboo end flange (5), the left side intercommunication of barrel (4) has down siphunculus (6), the right side intercommunication of barrel (4) has upper siphunculus (7), the orientation of siphunculus (6) and upper siphunculus (7) is opposite, its characterized in that down: the workstation comprises an X-axis rotary support base (1), wherein a Y-axis rotary support base (2) is arranged on one side of the X-axis rotary support base (1), and a locking mechanism (3) is arranged on the Y-axis rotary support base (2);
the locking mechanism (3) comprises a base (303), a center plate (304) is fixedly arranged on the base (303) through bolts, three side bases (316) are symmetrically arranged around the center plate (304), the side bases (316) are fixedly arranged on the base (303) through bolts, sliding grooves (317) are formed in the side bases (316), displacement blocks (308) are arranged on the side bases (316) in a penetrating mode, limit bolts (309) are arranged on the displacement blocks (308) in a penetrating mode, limit nuts (311) are sleeved on the surfaces of the limit bolts (309) and located above the displacement blocks (308), adjusting bolt bases (310) are arranged between the displacement blocks (308) and the side bases (316), and the limit bolts (309) are arranged on the adjusting bolt bases (310) and the sliding grooves in a penetrating mode and can change pressure among the displacement blocks (308), the adjusting bolt bases (310) and the side bases (316) through rotation of the limit nuts (311) relative to the limit bolts (309);
the side base (316) is provided with a guide bolt (314), the displacement block (308) is provided with a guide groove (315) matched with the guide bolt (314), the guide bolt (314) is arranged on the guide groove (315) in a penetrating manner, and the guide bolt (314) can freely move along the direction of the guide groove (315);
a clamping plate (307) is arranged on one side, close to the center plate (304), of the displacement block (308), a pressure sensor (313) is arranged on one side, far away from the displacement block (308), of the clamping plate (307), and balls (312) are arranged on the protruding part of the center plate (304);
one side welding of base (303) is provided with track base (301), be provided with slip track (306) on track base (301), be provided with slider (302) on slip track (306), be provided with diaphragm (305) on slider (302).
2. The application method of the locking structure for the self-cleaning filter cartridge automatic welding workstation is characterized by comprising the following steps of: a dead lock structure for a self-cleaning cartridge automatic weld station comprising the self-cleaning cartridge of claim 1, comprising the following specific operations:
a through hole is formed in the cylinder body (4) and a lower through pipe (6) is arranged in a welding mode, and then a filter cylinder end flange (5) is arranged at the bottom of the cylinder body (4) in a welding mode;
the displacement block (308) close to the track base (301) is called a class A displacement block, the clamping plate (307) corresponding to the displacement block is called a class A clamping plate, the displacement block (308) opposite to the track base (301) is called a class B displacement block, and the clamping plate (307) corresponding to the displacement block is called a class B clamping plate;
removing the limit bolts (309) and then moving the class a displacement blocks such that the class a displacement blocks are away from the center plate (304);
sleeving a cylinder body (4) on the surface of a central plate (304), then installing a limit bolt (309), gradually moving a class A displacement block, enabling a class A clamping plate to be gradually close to a filter cylinder end flange (5), enabling the class A clamping plate to clamp the filter cylinder end flange (5), enabling a gap of 0.2 cm to 1cm to exist between a pressure sensor (313) and the surface of the cylinder body (4), and then tightening the limit bolt (309) corresponding to the class A displacement block, so that the class A displacement block cannot move;
rotating the cylinder body (4) to enable the lower through pipe (6) to face the transverse plate (305), then moving the transverse plate (305) to enable the transverse plate (305) to be attached to a port of the lower through pipe (6), then moving the B-type displacement block to enable a pressure sensor (313) on the B-type displacement block to have a numerical value, and simultaneously tightening a limit bolt (309) corresponding to the B-type displacement block to enable the B-type displacement block to be unable to move;
a through hole is formed in the cylinder body (4) right above the B-type displacement block, and an upper through pipe (7) is arranged in a welding mode;
the limiting bolt (309) is unscrewed, the displacement block (308) is moved away from the cylinder body (4), and then the cylinder body (4) is removed, so that the self-cleaning filter cylinder is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210164444.3A CN115091068B (en) | 2022-02-23 | 2022-02-23 | Locking structure for self-cleaning filter cartridge automatic welding workstation and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210164444.3A CN115091068B (en) | 2022-02-23 | 2022-02-23 | Locking structure for self-cleaning filter cartridge automatic welding workstation and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115091068A CN115091068A (en) | 2022-09-23 |
| CN115091068B true CN115091068B (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210164444.3A Active CN115091068B (en) | 2022-02-23 | 2022-02-23 | Locking structure for self-cleaning filter cartridge automatic welding workstation and use method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN115091068B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210549241U (en) * | 2019-08-06 | 2020-05-19 | 扬州市职业大学(扬州市广播电视大学) | Multi-valve-body flexible welding workstation |
| CN210587845U (en) * | 2019-08-14 | 2020-05-22 | 衡水广兴滤材有限公司 | Welding device for filter cylinder production and processing |
| CN212469943U (en) * | 2020-05-28 | 2021-02-05 | 烟台齐邦精密机械有限公司 | Workpiece clamping device for double housing planer |
| CN112440054A (en) * | 2020-11-10 | 2021-03-05 | 浙江巨程钢瓶有限公司 | Welding system for steel cylinder and welding method thereof |
| CN213380103U (en) * | 2020-09-30 | 2021-06-08 | 甘肃一安建设科技集团有限公司 | Welding positioning device for seamless steel pipe and flange |
| CN215091664U (en) * | 2021-05-18 | 2021-12-10 | 安徽菲利特过滤系统股份有限公司 | Novel centrifugal filter tool |
-
2022
- 2022-02-23 CN CN202210164444.3A patent/CN115091068B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210549241U (en) * | 2019-08-06 | 2020-05-19 | 扬州市职业大学(扬州市广播电视大学) | Multi-valve-body flexible welding workstation |
| CN210587845U (en) * | 2019-08-14 | 2020-05-22 | 衡水广兴滤材有限公司 | Welding device for filter cylinder production and processing |
| CN212469943U (en) * | 2020-05-28 | 2021-02-05 | 烟台齐邦精密机械有限公司 | Workpiece clamping device for double housing planer |
| CN213380103U (en) * | 2020-09-30 | 2021-06-08 | 甘肃一安建设科技集团有限公司 | Welding positioning device for seamless steel pipe and flange |
| CN112440054A (en) * | 2020-11-10 | 2021-03-05 | 浙江巨程钢瓶有限公司 | Welding system for steel cylinder and welding method thereof |
| CN215091664U (en) * | 2021-05-18 | 2021-12-10 | 安徽菲利特过滤系统股份有限公司 | Novel centrifugal filter tool |
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| Publication number | Publication date |
|---|---|
| CN115091068A (en) | 2022-09-23 |
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