CN113828921B - Auxiliary tool for diaphragm welding of device for measuring fluid related parameters - Google Patents
Auxiliary tool for diaphragm welding of device for measuring fluid related parameters Download PDFInfo
- Publication number
- CN113828921B CN113828921B CN202111289263.5A CN202111289263A CN113828921B CN 113828921 B CN113828921 B CN 113828921B CN 202111289263 A CN202111289263 A CN 202111289263A CN 113828921 B CN113828921 B CN 113828921B
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- diaphragm
- block
- pressing block
- welding
- positioning ring
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- 238000003466 welding Methods 0.000 title claims abstract description 61
- 239000012530 fluid Substances 0.000 title claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 70
- 239000012528 membrane Substances 0.000 claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012797 qualification Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses an auxiliary tool for welding a diaphragm of a device for measuring fluid related parameters, wherein a pressing block is arranged at the central part of the bottom end of a body, the pressing block is connected to the lower end of a guide pillar, a conduction pressing block is arranged at the upper end of the guide pillar, a top block is matched with the conduction pressing block, and a reset spring is arranged between the conduction pressing block and the top block; a plane bearing is arranged between the guide post and the conduction pressing block; one end of a force arm of the lever structure is connected to the top block, the other end of the force arm is connected with the positioning ring, the outer side surface of the positioning ring is connected with the diaphragm positioning ring, and the guide post is arranged in the inner cavity of the positioning ring in a matched manner; the locating ring is provided with a vertical laser light passing hole. According to the welding tool disclosed by the invention, after the jacking block is pressed down, the soft pressing block is pressed on the diaphragm membrane to be welded, so that the pressing effect is generated; the short arm end of the arm of the lever structure moves downwards, the long arm end moves upwards, and the positioning ring and the diaphragm positioning ring are driven to move upwards and are separated from contact with the diaphragm seat, so that welding is smoothly carried out.
Description
Technical Field
The invention belongs to the field of welding auxiliary tools, and particularly relates to an auxiliary tool for diaphragm welding, which is used for devices such as a pressure transmitter, a temperature transmission, a pressure switch and the like for measuring related parameters of fluid.
Background
In the fields of food, medicine, brewing, dairy industry, aerospace, water treatment engineering, environmental protection purification, petrochemical industry, coal, papermaking and the like, various viscous mediums such as slurry, coal slurry, paint and crude oil in a pipeline or a container are required to be measured, and pressure, differential pressure, flow and liquid level of the viscous mediums are measured, and the equipment for measuring relevant parameters of the fluid generally needs to use a diaphragm, such as a diaphragm transmitter and the like, wherein a diaphragm sealing element system is added in the transmitter, so that direct contact between a capacitance sensing element and the measured fluid can be effectively avoided, the adaptability of the transmitter to the measured fluid is improved, and the diaphragm is an important part of the equipment, which influences the measurement precision.
Currently, diaphragms are typically attached to the measuring head by post-weld sealing; however, welding in the prior art has several disadvantages:
1: at present, diaphragm welding is totally manually positioned and welded, so that the qualification rate of diaphragm welding products is difficult to ensure, and the reliability is reduced;
2: the manual welding efficiency is low, no tooling is used, and the automatic operation cannot be realized, so that the productivity is not favorably and effectively and reliably improved;
3: when the diaphragm is welded, the diaphragm is not compressed, and the diaphragm can displace due to thermal deformation during laser welding, so that the welding success rate is affected, and the qualification rate is reduced;
4: the welding mode is crude, the reliability is low, and the operation proficiency of an operator is high; the operator's skill and skill are different, which results in reduced yield and reliability.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problems that: provided is an auxiliary tool for diaphragm welding, which improves welding efficiency and improves welding qualification rate and measures fluid related parameters.
In order to solve the technical problems, the invention adopts the following technical scheme:
the auxiliary tool for diaphragm welding of the device for measuring the fluid related parameters comprises a body and is characterized in that a pressing block is arranged at the central part of the bottom end of the body and connected to the lower end of a guide post, a conducting pressing block is arranged at the upper end of the guide post, a top block is matched with the conducting pressing block, and a reset spring is arranged between the conducting pressing block and the top block; a plane bearing is arranged between the guide post and the conduction pressing block, so that the conduction pressing block does not rotate along with the guide post;
the force arm is arranged on the conduction pressing block in a matched manner through the shaft core and the force arm rotating shaft hole to form a lever structure; one end of the arm of force contacts with the top block or is connected to the top block, and when the top block moves downwards, the end is driven to move downwards along with the top block; the other end of the force arm is connected with a positioning ring, the outer side surface of the positioning ring is connected with a diaphragm positioning ring, and the guide post is arranged in the inner cavity of the positioning ring in a matching way; the positioning ring is provided with a vertical laser light passing hole, and laser emitted by the laser welding equipment irradiates on a welding part of the diaphragm membrane to be welded through the laser light passing hole during welding.
In this way, after the jacking block is pressed down, the welding tool pushes the conduction pressing block, the guide pillar and the pressing block downwards to move downwards, and the soft pressing block is pressed on the diaphragm membrane to be welded to generate a pressing effect; because the ejector block or the conduction pressing block moves downwards to drive the arm of force of the lever structure to act, the short arm end moves downwards, the long arm end connected with the positioning ring moves upwards to drive the positioning ring and the diaphragm positioning ring to move upwards, and the positioning ring and the diaphragm positioning ring are separated from contact with the diaphragm seat, the diaphragm seat is prevented from rotating with the diaphragm membrane when the diaphragm seat drives the diaphragm membrane to rotate during welding, and the welding is smoothly carried out.
Further, a return block is disposed below the top block, and a return spring is disposed between the return block and the conductive press block. The return block is arranged, so that the timeliness and the position accuracy of the tool return can be improved.
Further, the pressing block is annular, and is made of metal copper or copper alloy. The pressing block is made of metal copper or copper alloy, belongs to a soft surface, and does not scratch the diaphragm membrane to be welded.
Further, the guide post is rotatably connected with the conductive pressing block through a guide post fixing bolt, a guide post fixing nut and a guide post bearing. Due to the effect of the bearing, the guide post and the conduction pressing block do not rotate along with each other, so that the conduction pressing block on the guide post does not rotate along with the guide post when the guide post rotates.
Further, the force arms are arranged in a left-right mode and are arranged in a center symmetry mode. Thus being convenient for setting and enabling the whole device to move steadily.
Further, a plurality of ball plungers and ball plunger fixing nuts are circumferentially arranged on the diaphragm positioning ring, and the diaphragm positioning ring is connected to the positioning ring through the ball plungers and the ball plunger fixing nuts and moves synchronously. Thus, on one hand, the detachable connection of the two is ensured, and on the other hand, the two can synchronously ascend or descend.
In a word, according to the auxiliary tool for diaphragm welding, firstly, no tool is used for manually placing the diaphragm and manually positioning, then laser welding is carried out, the diaphragm is not compressed during diaphragm welding, the diaphragm is displaced due to thermal deformation during laser welding, the welding success rate is affected, and the welding qualification rate is reduced; the specific advantages are shown in the following aspects:
1) The tool disclosed by the invention has the advantages that the diaphragm positioning is added, the part of necessary labor time is reduced, and the diaphragm positioning reliability is improved;
2) Along with the change of the diaphragm pressing mode, the requirement on the operation proficiency of an operator is greatly reduced, the pressing reliability of the diaphragm is improved, the heat dissipation effect during welding the diaphragm is improved because the former point pressing mode is changed into the current surface pressing mode, the product scrappage caused by thermal deformation during welding the diaphragm is greatly reduced, the welding qualification rate is greatly improved, and the production time of a single product is also greatly reduced;
3) The welding operation mode is changed, manual operation is changed into the present semiautomatic operation, and the welding operation mode is greatly improved in various aspects such as personnel requirements, operation intensity, welding production efficiency, product qualification rate and the like.
4) Placing the tool above the diaphragm membrane in an initial state, wherein the tool is basically not contacted with the diaphragm membrane, and the surface of the diaphragm membrane is not scratched, scratched or scratched; after the tooling is pressed downwards by the aid of the force, the copper sheet in the middle of the bottom end of the tooling is contacted with the surface of the membrane and is pressed tightly, and the surface of the membrane is not scratched or scratched due to the fact that the copper sheet is softer, so that the surface of the membrane is guaranteed to have higher precision and the like.
Drawings
FIG. 1 is a front view of a structure of a welding tool according to an embodiment;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a perspective view of a welding tool according to an embodiment;
FIG. 4 is a cross-sectional view of FIG. 1;
fig. 5 is an exploded view of a part of the welding tool.
In the figure, 1-body, 2-pressing block, 3-diaphragm positioning ring, 4-ball plunger, 5-ball plunger fixing nut, 6-positioning ring, 7-guide pillar fixing nut, 8-guide pillar, 9-plane bearing, 10-conduction pressing block, 11-shaft core, 12-force arm, 13-stop, 14-stop fixing bolt, 15-force arm rotating shaft hole, 16-guide pillar bearing, 17-guide pillar fixing bolt, 18-return spring, 19-return block, 20-top block, 21-top block baffle, 22-top block baffle fixing bolt and 23-laser light passing hole.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Examples:
the auxiliary tool for welding the diaphragm of the device for measuring the relevant parameters of the fluid comprises a body 1, wherein a pressing block 2 is arranged at the central part of the bottom end of the body 1, and the pressing block 2 is generally annular and is made of soft materials with certain strength and rigidity, such as metal copper, copper alloy and the like, or soft nonmetal and the like; the pressing block 2 is connected to the lower end of the guide post 8, such as by a fixing nut or a screw; the upper end of the guide post 8 is provided with a conductive pressing block 10, a top block 20 arranged at the upper end (top end) of the auxiliary tool is matched with the conductive pressing block 10, in the figure, the top block 20 is matched with the conductive pressing block 10 through a top block baffle 21 and a top block baffle fixing bolt 22, and the top block 20 and the conductive pressing block are mutually detachable or connected into an integrated structure; the return spring 18 is arranged between the conductive pressing block 10 and the top block 20; when the top block 20 is acted by downward pressure, the spring contracts and generates spring acting force to conduct the downward movement of the pressing block 10, the guide pillar 8 and the pressing block 2 for a certain distance, so that the pressing block 2 can move downwards and be pressed on the diaphragm membrane to be welded; the return spring 18 expands to jack the jack block 20 upward to return when the downward pressure is removed. For convenience and accuracy of return, a return block 19 is arranged below the top block 20, a return spring 18 is arranged between the return block 19 and the conductive pressing block 10, and the return spring 18 pushes the conductive pressing block 10 downwards and pushes the guide post 8 and the pressing block 2 to move downwards for a certain distance.
A plane bearing 9 is arranged between the guide post 8 and the conductive pressing block 10, so that when the pressing block 2 and the guide post 8 are driven to rotate due to the rotation of the membrane during welding, the conductive pressing block 10 (comprising the top block 20) does not follow the rotation, and the rotation can be isolated.
The force arm 12 is a lever structure taking the force arm rotating shaft hole 15 as a rotating fulcrum, the force arm rotating shaft hole 15 is arranged on the conducting press block 10, and the force arm 12 is installed on the conducting press block 10 in a matched manner through the shaft core 11 and the force arm rotating shaft hole 15 to form a lever structure; one end (short arm end) of the arm 12 is contacted with the top block 20 to drive the arm to rotate downwards, or is connected to the top block 20, and when the top block 20 moves downwards, one end of the short arm is driven to move downwards along with the short arm; the other end (long arm end) is connected with a positioning ring 6, which is connected with the positioning ring 6 through a stop 13 and a stop fixing bolt 14 in the figure, and the outer side surface of the positioning ring 6 is connected with a diaphragm positioning ring 3 which can drive the diaphragm positioning ring 3 to move up and down; the guide post 8 is matched and arranged in the inner cavity of the positioning ring 6, and moves up and down in the inner cavity of the positioning ring 6. In the figure, a plurality of ball plungers 4 and ball plunger fixing nuts 5 are circumferentially arranged on a diaphragm positioning ring 3, and the ball plungers 4 and the ball plunger fixing nuts 5 are connected to a positioning ring 6 to synchronously move.
The positioning ring 6 is provided with a vertical laser light passing hole 23, and laser emitted by laser welding equipment (not shown in the figure) irradiates a welding part of a diaphragm membrane to be welded through the laser light passing hole 23 during welding to perform welding operation; the laser light passing holes 23 are circumferentially arranged, and one or more than one laser light passing holes are formed; because of the position interference of the force arm 12, the invention adopts a welding mode that the diaphragm membrane to be welded is pressed on the diaphragm seat through the pressing block 2 of the tool and rotates along with the diaphragm seat, and the positioning ring 6 (comprising laser welding equipment) does not rotate.
In the structure of the specific embodiment shown in the figure, the guide post 8 is rotatably connected with the conductive pressing block 10 through a guide post fixing bolt 17, a guide post fixing nut 7 and a guide post bearing 16, and the conductive pressing block 10 is not driven to rotate when the guide post 8 rotates. Because the whole tool part of the invention needs to rotate, the whole tool part is in a circular symmetrical structure, the pressing block 2, the diaphragm positioning ring 3, the positioning ring 6, the guide post 8, the conduction pressing block 10, the return block 19 and the top block 20 are all in circular rings, and the force arm 12 is arranged in a left-right mode and is arranged in a central symmetry mode.
The working process of the tool comprises the following steps: placing a diaphragm positioning ring on a diaphragm seat to be welded, and placing a diaphragm in a positioning groove in the diaphragm positioning ring and positioning; the other parts of the invention are placed on the diaphragm positioning ring, at the moment, the diaphragm positioning ring and the positioning ring form an integral structure through the ball plunger and the ball plunger fixing nut, the laser through hole 23 of the positioning ring 6 corresponds to the part to be welded of the diaphragm, but at the moment, the pressing block and the like are not contacted with the diaphragm, or only contacted with the surface of the diaphragm at one point, and the surface of the diaphragm is not scratched or scratched; when the external force pushes the top block 20 downwards, the reset spring 18 contracts and generates spring acting force to move downwards for a certain distance through the conduction pressing block 10, the guide pillar 8 and the pressing block 2, so that the pressing block 2 can move downwards to be pressed on a diaphragm membrane to be welded, and a pressing effect is generated; at this time, the top block 20 or the conductive pressing block 10 moves downwards to drive the arm 12 of the lever structure to act, the short arm end moves downwards, the long arm end connected with the positioning ring 6 moves upwards to drive the positioning ring 6 and the diaphragm positioning ring 3 to move upwards, and the positioning ring is separated from contact with the diaphragm or the diaphragm seat; at this time, the soft press block 2 is pressed against the diaphragm membrane to be welded, the laser welding device is started, and the laser emitted from the laser welding device irradiates the welding part of the diaphragm membrane to be welded through the laser via hole 23 to perform the welding operation. In the welding process, the diaphragm seat rotates with the diaphragm membrane, and the pressing block 2 and the guide pillar 8 of the tool rotate along with the diaphragm membrane, so that the conduction pressing block 10, the top block 20, the force arm 12, the diaphragm positioning ring 3, the positioning ring 6 and the like do not rotate under the action of the plane bearing 9.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the technical solution, and although the applicant has described the present invention in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents of the technical solution of the present invention can be made without departing from the spirit and scope of the technical solution, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.
Claims (6)
1. The auxiliary tool for diaphragm welding of a device for measuring fluid related parameters comprises a body (1) and is characterized in that a pressing block (2) is arranged at the central part of the bottom end of the body (1), the pressing block (2) is connected to the lower end of a guide pillar (8), a conductive pressing block (10) is arranged at the upper end of the guide pillar (8), a top block (20) arranged at the upper end is matched with the conductive pressing block (10), and a reset spring (18) is arranged between the conductive pressing block (10) and the top block (20);
a plane bearing (9) is arranged between the guide post (8) and the conduction pressing block (10), so that the conduction pressing block (10) does not rotate along with the guide post (8);
the force arm (12) is arranged on the conduction pressing block (10) in a matched manner through the shaft core (11) and the force arm rotating shaft hole (15) to form a lever structure; one end of the arm (12) is contacted with the top block (20) or connected to the top block (20), and when the top block (20) moves downwards, the end is driven to move downwards along with the top block; the other end of the force arm (12) is connected with a positioning ring (6), the outer side surface of the positioning ring (6) is connected with a diaphragm positioning ring (3), and the guide post (8) is arranged in the inner cavity of the positioning ring (6) in a matching way; the positioning ring (6) is provided with a vertical laser light passing hole (23), and laser emitted by the laser welding equipment irradiates on a welding part of the diaphragm membrane to be welded through the laser light passing hole (23) during welding.
2. Auxiliary tool for welding diaphragms of devices for measuring fluid related parameters according to claim 1, characterized in that a return block (19) is arranged under the top block (20), a return spring (18) being arranged between the return block (19) and the conductive press block (10).
3. The auxiliary tool for welding the diaphragm of the device for measuring the fluid related parameters according to claim 1, wherein the pressing block (2) is annular and is made of metal copper or copper alloy.
4. A tool for assisting in welding a diaphragm of a device for measuring a fluid related parameter according to any one of claims 1-3, characterized in that the guide post (8) is rotatably connected to the conductive press block (10) by means of a guide post fixing bolt (17), a guide post fixing nut (7) and a guide post bearing (16).
5. The auxiliary tool for welding the diaphragm of the device for measuring the fluid related parameters according to claim 4, wherein the force arms (12) are arranged in a left-right symmetrical manner.
6. The auxiliary tool for welding the diaphragm of the device for measuring the fluid related parameters according to claim 4, wherein more than one ball plunger (4) and one ball plunger fixing nut (5) are circumferentially arranged on the diaphragm positioning ring (3), and the ball plungers (4) and the ball plunger fixing nuts (5) are connected to the positioning ring (6) to synchronously move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111289263.5A CN113828921B (en) | 2021-11-02 | 2021-11-02 | Auxiliary tool for diaphragm welding of device for measuring fluid related parameters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111289263.5A CN113828921B (en) | 2021-11-02 | 2021-11-02 | Auxiliary tool for diaphragm welding of device for measuring fluid related parameters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113828921A CN113828921A (en) | 2021-12-24 |
| CN113828921B true CN113828921B (en) | 2024-03-08 |
Family
ID=78966856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111289263.5A Active CN113828921B (en) | 2021-11-02 | 2021-11-02 | Auxiliary tool for diaphragm welding of device for measuring fluid related parameters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113828921B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050003949A (en) * | 2003-08-12 | 2005-01-12 | 네오마 주식회사 | chill ring for producing bellows and bellows manufacturing method using it |
| CN201067831Y (en) * | 2007-04-29 | 2008-06-04 | 上海英提尔交运汽车零部件有限公司 | Laser multi-point multi-plate welding working equipment |
| CN205520123U (en) * | 2016-03-10 | 2016-08-31 | 威卡自动化仪表（苏州）有限公司 | A laser welding anchor clamps for diaphragm |
| CN106392318A (en) * | 2016-12-02 | 2017-02-15 | 长春理工大学 | Clutch driven disc-transmission disc structural part automatic preheating and clamping device and laser welding method |
| CN206153769U (en) * | 2016-08-03 | 2017-05-10 | 武汉华工激光工程有限责任公司 | Flange changer pressure sensing part laser welding tool |
| CN207593066U (en) * | 2017-10-11 | 2018-07-10 | 武汉瑞丰光电技术有限公司 | A kind of frock clamp of membrane sensor laser welding |
| CN211680582U (en) * | 2019-12-18 | 2020-10-16 | 鞍山沃天传感技术有限公司 | Fixing mechanism for laser welding of sensor |
-
2021
- 2021-11-02 CN CN202111289263.5A patent/CN113828921B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050003949A (en) * | 2003-08-12 | 2005-01-12 | 네오마 주식회사 | chill ring for producing bellows and bellows manufacturing method using it |
| CN201067831Y (en) * | 2007-04-29 | 2008-06-04 | 上海英提尔交运汽车零部件有限公司 | Laser multi-point multi-plate welding working equipment |
| CN205520123U (en) * | 2016-03-10 | 2016-08-31 | 威卡自动化仪表（苏州）有限公司 | A laser welding anchor clamps for diaphragm |
| CN206153769U (en) * | 2016-08-03 | 2017-05-10 | 武汉华工激光工程有限责任公司 | Flange changer pressure sensing part laser welding tool |
| CN106392318A (en) * | 2016-12-02 | 2017-02-15 | 长春理工大学 | Clutch driven disc-transmission disc structural part automatic preheating and clamping device and laser welding method |
| CN207593066U (en) * | 2017-10-11 | 2018-07-10 | 武汉瑞丰光电技术有限公司 | A kind of frock clamp of membrane sensor laser welding |
| CN211680582U (en) * | 2019-12-18 | 2020-10-16 | 鞍山沃天传感技术有限公司 | Fixing mechanism for laser welding of sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113828921A (en) | 2021-12-24 |
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