CN113828921A - Auxiliary tool for diaphragm welding of device for measuring related parameters of fluid - Google Patents
Auxiliary tool for diaphragm welding of device for measuring related parameters of fluid Download PDFInfo
- Publication number
- CN113828921A CN113828921A CN202111289263.5A CN202111289263A CN113828921A CN 113828921 A CN113828921 A CN 113828921A CN 202111289263 A CN202111289263 A CN 202111289263A CN 113828921 A CN113828921 A CN 113828921A
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- diaphragm
- positioning ring
- pressing block
- welding
- block
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- 238000003466 welding Methods 0.000 title claims abstract description 60
- 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 35
- 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 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 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
- 239000000463 material 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
Images
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
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- 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 relevant parameters of fluid, wherein a pressing block is arranged at the central part of the bottom end of a body and is connected with the lower end of a guide pillar, a conduction pressing block is arranged at the upper end of the guide pillar, a top block and the conduction pressing block are arranged in a matched manner, and a return spring is arranged between the conduction pressing block and the top block; a plane bearing is arranged between the guide pillar and the conduction pressing block; one end of the force arm of the lever structure is connected to the top block, the other end of the force arm of the lever structure is connected with the positioning ring, the outer side surface of the positioning ring is connected with a membrane positioning ring, and the guide pillar is arranged in an inner cavity of the positioning ring in a matched mode; the positioning ring is provided with a vertical laser light passing hole. According to the welding tool, after the top block is pressed down, the soft pressing block is pressed on the diaphragm membrane to be welded, so that a pressing effect is generated; the short arm end of the force 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 the diaphragm seat, so that welding is smoothly carried out.
Description
Technical Field
The invention belongs to the field of auxiliary welding tools, and particularly relates to an auxiliary tool for welding a diaphragm, 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 and aviation, water treatment engineering, environmental protection purification, petrochemical industry, coal, paper making and the like, various viscous media such as slurry, coal slurry, paint and crude oil in a pipeline or a container need to be measured, the pressure, differential pressure, flow, liquid level and the like of the viscous media are measured, a diaphragm is generally used for equipment for measuring relevant parameters of fluid, such as a diaphragm transmitter and the like, a diaphragm sealing element system is additionally arranged 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.
At present, the diaphragm is usually connected to the measuring head by welding and sealing; however, the prior art welding suffers from several disadvantages:
1: at present, the diaphragm welding is positioned and welded manually, so that the qualification rate of a diaphragm welding product is difficult to ensure, and the reliability is reduced;
2: the manual welding efficiency is low, no tool can realize automation, and the productivity is not improved effectively and reliably;
3: the diaphragm is not compressed when the diaphragm is welded, and the diaphragm can displace due to thermal deformation in the laser welding process, so that the welding success rate is influenced, and the qualification rate is reduced;
4: the welding mode is simple and crude, the reliability is not high, and the requirement on the operation proficiency of an operator is high; due to different proficiency and skill of operators, the yield is reduced and the reliability is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: the auxiliary tool for welding the diaphragm of the device for measuring the relevant parameters of the fluid is capable of improving welding efficiency and welding yield.
In order to solve the technical problems, the invention adopts the following technical scheme:
an auxiliary tool for welding a diaphragm of a device for measuring related parameters of fluid 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 pillar, a conduction pressing block is arranged at the upper end of the guide pillar, a top block and the conduction pressing block are arranged in a matched mode, 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, so that the conduction pressing block does not rotate along with the guide post;
the force arm is arranged on the conduction pressing block through the matching of the shaft core and the force arm rotating shaft hole to form a lever structure; one end of the force arm is contacted 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; 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 membrane positioning ring, and a guide pillar is arranged in an inner cavity of the positioning ring in a matching manner; the positioning ring is provided with a vertical laser light passing hole, and laser emitted by laser welding equipment irradiates the welding part of the diaphragm membrane to be welded through the laser light passing hole during welding.
Therefore, after the top block is pressed down, the conduction pressing block, the guide pillar and the pressing block are pushed downwards by the top block to move downwards, and the soft pressing block presses on the diaphragm membrane to be welded to generate a pressing effect; the top block or the conducting pressing block moves downwards to drive the force arm of the lever structure to move, the short arm end moves downwards, the long arm end connected with the positioning ring moves upwards to drive the positioning ring and the membrane positioning ring to move upwards and is separated from the membrane seat, and the membrane seat and the membrane are not hindered from rotating when the membrane seat drives the membrane to rotate during welding, so that the welding is smoothly carried out.
Further, a return block is arranged below the top block, and a return spring is arranged between the return block and the conduction pressing block. The return block is arranged, so that the timeliness and the position precision of the tool return can be improved.
Furthermore, the briquetting is annular, and the material is metal copper or copper alloy. The pressing block is made of metal copper or copper alloy, belongs to a soft surface and cannot scratch the diaphragm membrane to be welded.
Further, the guide post is rotatably connected with the conduction pressing block through a guide post fixing bolt, a guide post fixing nut and a guide post bearing. Due to the action of the bearing, the guide pillar and the conduction pressing block do not rotate along with each other, so that the conduction pressing block on the guide pillar does not rotate along with each other when the guide pillar rotates.
Furthermore, the force arms are arranged on the left and right sides and are arranged in a central symmetry mode. Thus, the device is convenient to arrange and the whole device can move stably.
Furthermore, a plurality of ball plungers and ball plunger fixing nuts are circumferentially arranged on the membrane positioning ring and are connected to the positioning ring through the ball plungers and the ball plunger fixing nuts to move 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, the auxiliary tool for welding the diaphragm is characterized in that no tool is arranged firstly, the diaphragm is placed manually and positioned manually, then laser welding is carried out, the diaphragm is not compressed during welding of the diaphragm, the diaphragm is displaced due to thermal deformation during laser welding, the welding success rate is influenced, and the welding qualified rate is reduced; the specific advantages are shown in the following aspects:
1) the fixture increases diaphragm positioning, reduces part of necessary labor time and increases diaphragm positioning reliability;
2) along with the change of the diaphragm pressing mode, the requirement on the operation proficiency of an operator is greatly reduced, the reliability of diaphragm pressing is improved, the prior point pressing mode is changed into the prior surface pressing mode, the heat dissipation effect of the diaphragm during welding is increased, the product scrap caused by thermal deformation during welding of 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 mode of welding operation is changed, manual operation is changed into the existing semi-automation, and the requirements of personnel, the operation intensity, the welding production efficiency, the product percent of pass and other aspects are greatly improved.
4) The tool is placed above the diaphragm membrane in an initial state, the tool is basically not in contact with the diaphragm membrane, and the surface of the membrane cannot be scratched or scratched; after the tool is pressed downwards under the stress application, the copper sheet in the middle of the bottom end of the tool is in contact with and tightly pressed against the surface of the diaphragm, and the copper sheet is soft, so that the surface of the diaphragm cannot be scratched or scratched, and the surface of the diaphragm is guaranteed to have higher precision and the like.
Drawings
FIG. 1 is a front view of the welding tool in the embodiment;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a perspective view of the welding tool in the embodiment;
FIG. 4 is a cross-sectional view of FIG. 1;
fig. 5 is an exploded view of a part of the welding fixture.
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 block, 14-stop block fixing bolt, 15-force arm rotating shaft hole, 16-guide pillar bearing, 17-guide pillar fixing bolt, 18-reset 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 is further illustrated with reference to the following figures and examples.
Example (b):
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 a soft material with certain strength and rigidity, such as metal copper, copper alloy and the like, or a soft nonmetal and the like; the pressing block 2 is connected at the lower end of the guide post 8, such as through a fixed nut or a screw; the upper end of the guide post 8 is provided with a conduction pressing block 10, a top block 20 arranged at the upper end (top end) of the auxiliary tool is matched with the conduction pressing block 10, and in the figure, the top block 20 is matched with the conduction pressing block 10 through a top block baffle 21 and a top block baffle fixing bolt 22 and is mutually detachable or connected into an integral structure; the return spring 18 is arranged between the conductive pressing block 10 and the top block 20; when the top block 20 is stressed by downward pressure, the spring contracts and generates spring acting force to conduct the pressing block 10, the guide post 8 and the pressing block 2 to move downwards for a certain distance, so that the pressing block 2 can move downwards and tightly press on the diaphragm membrane to be welded; upon removal of the downward pressure, the return spring 18 opens the upward jacking ram 20 to return. In order to return conveniently and accurately, a return block 19 is arranged below the top block 20, a return spring 18 is arranged between the return block 19 and the conducting pressing block 10, and the return spring 18 pushes the conducting pressing block 10, the guide pillar 8 and the pressing block 2 downwards to move for a certain distance.
A plane bearing 9 is arranged between the guide post 8 and the conduction 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 diaphragm during welding, the conduction pressing block 10 (comprising the top block 20) does not rotate along with 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 conduction pressing block 10, and the lever structure is formed by installing the shaft core 11 and the force arm rotating shaft hole 15 on the conduction pressing block 10 in a matching way; one end (short arm end) of the force arm 12 is contacted with the top block 20 to drive the top block 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; the other end (the long arm end) is connected with a positioning ring 6, which is connected with the positioning ring 6 through a stop block 13 and a stop block fixing bolt 14, and the outer side surface of the positioning ring 6 is connected with a membrane positioning ring 3 which can drive the membrane positioning ring 3 to move up and down; the guide post 8 is arranged in the inner cavity of the positioning ring 6 in a matching way 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 membrane positioning ring 3 and are connected to a positioning ring 6 through the ball plungers 4 and the ball plunger fixing nuts 5 to move synchronously.
A vertical laser light passing hole 23 is formed in the positioning ring 6, and laser light emitted by laser welding equipment (not shown in the figure) irradiates the welding part of the 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 arranged along the circumferential direction, and one or more than one laser light passing holes are arranged; due to 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 embodiment shown in the figure, the guide post 8 is rotatably connected to the conductive block 10 by a guide post fixing bolt 17, a guide post fixing nut 7 and a guide post bearing 16, and the guide post 8 does not rotate the conductive block 10. The whole tool is in a circular symmetrical structure because part of components of the whole tool need to rotate, the pressing block 2, the membrane positioning ring 3, the positioning ring 6, the guide pillar 8, the conduction pressing block 10, the return block 19 and the top block 20 are all arranged in a circular ring shape, the force arms 12 are arranged in a left-right mode, and the center of the force arms is symmetrical.
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 for positioning; the other parts of the invention are placed on the membrane positioning ring, at the moment, the membrane positioning ring forms an integral structure with the positioning ring through the ball plunger and the ball plunger fixing nut, the laser light passing hole 23 of the positioning ring 6 corresponds to the part to be welded of the membrane, but at the moment, the pressing block and the like are not contacted with the membrane or are contacted with the surface of the membrane only a little, and the surface of the membrane cannot be scratched or scratched; when the top block 20 is pushed downwards by external force, the return 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 the diaphragm membrane to be welded to generate a pressing effect; at this time, as the top block 20 or the conducting pressing block 10 moves downwards to drive the force 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, and the positioning ring 6 and the membrane positioning ring 3 are driven to move upwards to be separated from the membrane or the membrane seat; at this time, the soft pressing block 2 is pressed on the diaphragm to be welded, the laser welding device is started, and the laser emitted by the laser welding device irradiates the welding part of the diaphragm to be welded through the laser light passing hole 23 to perform welding operation. In the welding process, the diaphragm seat drives the diaphragm to rotate, the pressing block 2 and the guide post 8 of the tool rotate along with the diaphragm, and the transmission 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 used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and although the present invention has been described in detail by referring to the preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solutions of the present invention can be made without departing from the spirit and scope of the technical solutions, and all the modifications and equivalent substitutions should be covered by the claims of the present invention.
Claims (6)
1. An auxiliary tool for diaphragm welding of a device for measuring related parameters of fluid comprises a body (1) and is characterized in that a pressing block (2) is arranged at the center of the bottom end of the body (1), the pressing block (2) is connected to the lower end of a guide pillar (8), a conduction 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 conduction pressing block (10), and a return spring (18) is arranged between the conduction 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) to ensure that the conduction pressing block (10) does not rotate along with the guide post (8);
the force arm (12) is matched with the force arm rotating shaft hole (15) through the shaft core (11) and is arranged on the conduction pressing block (10) to form a lever structure; one end of the force arm (12) is contacted with the top block (20) or is connected to the top block (20), and when the top block (20) moves downwards, the end is driven to move downwards; the other end of the force arm (12) is connected with the positioning ring (6), the outer side surface of the positioning ring (6) is connected with the membrane positioning ring (3), and the guide post (8) is arranged in an 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 laser welding equipment irradiates the welding part of the diaphragm membrane to be welded through the laser light passing hole (23) during welding.
2. The auxiliary tool for diaphragm welding of the device for measuring parameters related to fluid according to claim 1, wherein a return block (19) is arranged below the top block (20), and the return spring (18) is arranged between the return block (19) and the conductive pressing block (10).
3. The auxiliary tool for welding the diaphragm of the device for measuring the relevant parameters of the fluid according to claim 1, wherein the pressing block (2) is annular and is made of metal copper or copper alloy.
4. Auxiliary tool for welding diaphragms of devices for measuring parameters related to fluids according to any 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 relevant parameters of the fluid according to claim 4, wherein the force arms (12) are arranged in a central symmetry manner and are arranged on the left and right sides.
6. The auxiliary tool for welding the diaphragm of the device for measuring the relevant parameters of the fluid according to claim 4, wherein the diaphragm positioning ring (3) is circumferentially provided with more than one ball plunger (4) and ball plunger fixing nut (5), and the diaphragm positioning ring is connected to the positioning ring (6) through the ball plunger (4) and the ball plunger fixing nut (5) and moves synchronously.
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 true CN113828921A (en) | 2021-12-24 |
| CN113828921B CN113828921B (en) | 2024-03-08 |
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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 |
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| CN113828921B (en) | 2024-03-08 |
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