CN107891206B - Intelligent auxiliary brazing device and method for electromagnetic relay contact spring system - Google Patents
Intelligent auxiliary brazing device and method for electromagnetic relay contact spring system Download PDFInfo
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- CN107891206B CN107891206B CN201711367044.8A CN201711367044A CN107891206B CN 107891206 B CN107891206 B CN 107891206B CN 201711367044 A CN201711367044 A CN 201711367044A CN 107891206 B CN107891206 B CN 107891206B
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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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
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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
- 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
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Abstract
The invention discloses an intelligent auxiliary brazing device and method for an electromagnetic relay contact spring system. The invention can realize the simultaneous operation of brazing and debugging, and avoids the complicated process of repeatedly adjusting the welded contact spring, thereby rapidly completing the assembly process of the contact spring on the premise of ensuring that the contact spring system meets the design requirement, and has the characteristics of simple production process, low cost, high reliability, no adjustment and the like.
Description
Technical Field
The invention relates to the technical field of electromagnetic relay manufacturing, in particular to an intelligent auxiliary brazing device and method for an electromagnetic relay contact spring system.
Background
The normally closed contact pressure, normally open contact clearance, reed deflection control and the like of the high-reliability sealed electromagnetic relay contact spring system are key parameters, and influence the consistency and reliability of the performance indexes of the relay. In general, the conventional assembly process of the electromagnetic relay contact spring system consists of two procedures of brazing and debugging. The technological process includes the first brazing, welding and fixing the reed and the leading out rod, the subsequent debugging, and repeated regulation of the deformation of the reed to make the normally opened contact pressure and the normally closed contact interval meet the requirement of parameters. However, the process is complex to operate and has low efficiency; the human factors have great influence on the measurement result; the contact is easily polluted due to uncleanness of the test plug, and the contact resistance parameter index is affected; the reed is easy to deform and stress after debugging, and the defects of unstable parameters, poor consistency and the like are easy to occur.
Disclosure of Invention
The invention provides an intelligent auxiliary brazing device and method for an electromagnetic relay contact spring system, which aims to solve the defects of the assembly process method of the high-reliability sealed electromagnetic relay contact spring system.
In order to solve the problems, the invention is realized by the following technical scheme:
an intelligent auxiliary brazing method for an electromagnetic relay contact spring system comprises the following steps:
step 9, adjusting the position of the movable and static contact spring under the assistance of a computer so that the front end of the movable and static contact spring is clung to the positioning plug piece, and welding the tail end of the movable and static contact spring on a movable and static contact spring leading-out rod by a welding operation platform at the moment to finish the brazing of the movable and static contact spring; taking out the positioning plug piece after welding; thus, the welding of a group of contact springs is completed.
In the step 9, after the positioning plug is taken out, the computer further needs to measure the gap between the movable contact spring and the static contact spring, that is, the gap of the normally open contact, and prompt whether the gap parameter of the normally open contact is qualified or not according to the measurement result.
In the step 4, the position of the movable contact spring is manually adjusted with the aid of computer image display, and whether the front end of the movable contact spring is clung to the positioning ring or not is judged by human eyes; or under the assistance of computer control, the position of the movable contact spring is automatically adjusted by the manipulator, and whether the front end of the movable contact spring is clung to the positioning ring is judged by computer image processing and comparison.
In the step 7, the position of the static contact spring is manually adjusted under the assistance of computer image display, and whether the front end of the static contact spring is tangent to the virtual position of the movable contact spring is judged by human eyes; or under the assistance of computer control, automatically adjusting the position of the static contact spring through a manipulator, and judging whether the front end of the static contact spring is tangent with the virtual position of the movable contact spring through computer image processing and comparison.
In the step 9, the position of the movable contact spring is manually adjusted with the aid of the computer image display, and whether the front end of the movable contact spring is clung to the positioning plug piece or not is judged by human eyes; or under the assistance of computer control, the position of the movable and static contact spring is automatically adjusted by the manipulator, and whether the front end of the movable and static contact spring is clung to the positioning plug piece is judged by computer image processing and comparison.
The intelligent auxiliary brazing device for the electromagnetic relay contact spring system comprises a welding operation platform, a dynamometer, an image acquisition device and a computer; the base of the electromagnetic relay is horizontally arranged on the welding operation platform; the base is provided with at least one group of contact spring leading-out rods, wherein each group of contact spring leading-out rods comprises a movable contact spring leading-out rod positioned at the middle position, a static contact spring leading-out rod positioned at two sides of the movable contact spring leading-out rod and a dynamic contact spring leading-out rod; the image acquisition device is positioned above the welding operation platform and acquires the current base image in real time; the dynamometer is arranged on the welding operation platform and is used for pushing the movable contact spring on the base to move; the computer processes the base image acquired by the image acquisition device to obtain the current position of the contact spring and the auxiliary parts thereof placed on the base so as to assist the brazing of the movable contact spring, the static contact spring and the movable contact spring.
As an improvement, the intelligent auxiliary brazing device further comprises a manipulator, wherein the control input end of the manipulator is connected with the control output end of the computer, and the manipulator is used for adjusting the positions of the movable contact spring, the static contact spring and the movable contact spring under the control of the computer.
In the above scheme, the image acquisition device is an industrial camera.
Compared with the prior art, the invention acquires the base image of the current electromagnetic relay in real time through the image acquisition device, sends the image into the computer for processing, obtains the current position of the contact spring and the auxiliary part thereof placed on the base, adjusts the positions of the movable contact spring, the static contact spring and the movable contact spring under the assistance of the computer, and then welds the contact spring and the auxiliary part thereof on the corresponding extraction rod after meeting the design requirement. The invention can realize the simultaneous operation of brazing and debugging, and avoids the complicated process of repeatedly adjusting the welded contact spring, thereby rapidly completing the assembly process of the contact spring on the premise of ensuring that the contact spring system meets the design requirement, and has the characteristics of simple production process, low cost, high reliability, no adjustment and the like.
Drawings
Fig. 1 is a flow chart of an intelligent auxiliary brazing method of an electromagnetic relay contact spring system.
Fig. 2 is a schematic installation view of a positioning ring of an electromagnetic relay.
Fig. 3 is a schematic installation view of a positioning plug of an electromagnetic relay.
Fig. 4 is a schematic structural diagram of an intelligent auxiliary brazing device of an electromagnetic relay contact spring system.
Reference numerals in the drawings: 1. a base; 2. a movable contact spring leading-out rod; 3. a movable contact spring; 4. a static contact spring leading-out rod is combined; 5. a static contact spring is closed; 6. a movable contact spring leading-out rod; 7. a movable contact spring; 8. a positioning ring; 9. positioning a plug sheet; 10. a welding operation platform; 11. a load cell; 12. an image acquisition device; 13. and a computer.
Detailed Description
The invention will be further described in detail below with reference to specific examples and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the invention more apparent.
An intelligent auxiliary brazing method for an electromagnetic relay contact spring system, as shown in fig. 1, comprises the following steps:
And 2, an image acquisition device 12 positioned above the welding operation platform 10 acquires the current base 1 image in real time, and sends the image into a computer 13 for processing to obtain the current position of the contact spring and auxiliary parts (the positioning ring 8 and the positioning plug 9) placed on the base 1.
And 4, adjusting the position of the movable contact spring 3 under the assistance of the computer 13 so that the front end of the movable contact spring 3 is clung to the positioning ring 8, and welding the tail end of the movable contact spring 3 on the movable contact spring leading-out rod 2 by the welding operation platform 10 at the moment to finish the brazing of the movable contact spring 3. And taking out the positioning ring 8 after the welding is finished. See fig. 2.
The position of the movable contact spring 3 can be adjusted with the aid of the computer 13 in two ways: the position of the movable contact spring 3 is manually adjusted under the assistance of image display of the computer 13, and whether the front end of the movable contact spring 3 is clung to the positioning ring 8 or not is judged by human eyes; the other is that under the control of the computer 13, the position of the movable contact spring 3 is automatically adjusted by a manipulator, and whether the front end of the movable contact spring 3 is tightly attached to the positioning ring 8 is judged by the image processing and comparison of the computer 13.
And 5, pushing the front end of the movable contact spring 3 on the base 1 by using the dynamometer 11, and when the pressure reading on the dynamometer 11 is consistent with a given pressure recommended value, acquiring an image of the base 1 of the current electromagnetic relay by using the image acquisition device 12, and sending the image into the computer 13 to obtain the virtual position of the movable contact spring 3.
And 6, continuously pushing the movable contact spring 3 on the base 1 by using the dynamometer 11 so as to leave a space for a welding machine for closing the movable contact spring 5. The tail end of the static contact spring 5 is sleeved on the static contact spring leading-out rod 4 on the base 1.
And 7, adjusting the position of the static contact spring 5 under the assistance of the computer 13, so that the front end of the static contact spring 5 is tangent to the virtual position of the movable contact spring 3, and welding the tail end of the static contact spring 5 on the static contact spring leading-out rod 4 by the welding operation platform 10 at the moment to finish the brazing of the static contact spring 5.
The position of the stationary contact spring 5 can be adjusted with the aid of the computer 13 in two ways: the position of the static contact spring 5 is manually adjusted under the assistance of image display of the computer 13, and whether the front end of the static contact spring 5 is tangent to the virtual position of the movable contact spring 3 is judged by human eyes; the other is that under the control of the computer 13, the position of the static contact spring 5 is automatically adjusted by a manipulator, and whether the front end of the static contact spring 5 is tangent with the virtual position of the movable contact spring 3 is judged by the image processing and comparison of the computer 13.
And 8, removing the dynamometer 11, and resetting the movable contact spring 3. The tail end of the movable and static contact spring 7 is sleeved on the movable and static contact spring leading-out rod 6 on the base 1. And 1 positioning plug piece 9 is arranged between the movable contact spring 7 and the movable contact spring 3 and used for controlling the gap between the movable contact spring 3 and the movable contact spring 7. See fig. 3.
And 9, adjusting the position of the movable and static contact spring 7 under the assistance of the computer 13, so that the front end of the movable and static contact spring 7 is clung to the positioning plug 9, and welding the tail end of the movable and static contact spring 7 on the movable and static contact spring leading-out rod 6 by the welding operation platform 10 at the moment to finish the brazing of the movable and static contact spring 7. And taking out the positioning plug piece 9 after the welding is finished.
The position of the movable contact spring 7 can be adjusted with the aid of the computer 13 in two ways: the position of the movable and static contact spring 7 is manually adjusted under the assistance of image display of the computer 13, and whether the front end of the movable and static contact spring 7 is clung to the positioning plug 9 is judged by human eyes; the other is that under the control of the computer 13, the position of the movable and static contact spring 7 is automatically adjusted by a manipulator, and whether the front end of the movable and static contact spring 7 is tightly attached to the positioning plug 9 is judged by the image processing and comparison of the computer 13.
And step 10, after the positioning plug sheet 9 is taken out, the computer 13 also needs to measure the clearance between the movable contact spring 7 and the movable contact spring 3, namely the clearance of the normally open contact, and prompts whether the clearance parameter of the normally open contact is qualified or not according to the measurement result.
And 11, welding a group of contact springs. When the next group of contact springs are required to be welded, after the base 1 group is rotated 180 degrees along the center, the steps 3-10 are repeated to braze and measure the other group of contact springs.
An intelligent auxiliary brazing device for an electromagnetic relay contact spring system for realizing the method is shown in fig. 4 and consists of a welding operation platform 10, a dynamometer 11, an image acquisition device 12 and a computer 13.
The base 1 of the electromagnetic relay is horizontally placed on the welding operation platform 10. At least one group of contact spring leading-out rods are arranged on the base 1, wherein each group of contact spring leading-out rods comprises a movable contact spring leading-out rod 2 positioned at the middle position, and a static contact spring leading-out rod 4 and a static contact spring leading-out rod 6 positioned at two sides of the movable contact spring leading-out rod 2.
The image acquisition device 12 is positioned above the welding operation platform 10 and acquires the current base 1 image in real time. In the present invention, the image capture device 12 is an industrial camera.
The dynamometer 11 is arranged on the welding operation platform 10 and is used for pushing the movable contact spring 3 on the base 1 to move.
The computer 13 processes the image of the base 1 acquired by the image acquisition device 12 to obtain the current position of the contact spring and the auxiliary parts thereof placed on the base 1 so as to assist the brazing of the movable contact spring 3, the static contact spring 5 and the movable contact spring 7.
In order to realize full-automatic auxiliary welding, the intelligent auxiliary brazing device
The intelligent auxiliary brazing device of the electromagnetic relay contact spring system of the method further comprises a manipulator, wherein the control input end of the manipulator is connected with the control output end of the computer 13, and the manipulator is used for adjusting the positions of the movable contact spring 3, the static contact spring 5 and the movable contact spring 7 under the control of the computer 13.
It should be noted that, although the examples described above are illustrative, this is not a limitation of the present invention, and thus the present invention is not limited to the above-described specific embodiments. Other embodiments, which are apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein, are considered to be within the scope of the invention as claimed.
Claims (8)
1. The intelligent auxiliary brazing method for the electromagnetic relay contact spring system is characterized by comprising the following steps of:
step 1, horizontally placing a base (1) of an electromagnetic relay on a welding operation platform (10), wherein at least one group of contact spring leading-out rods are arranged on the base (1), each group of contact spring leading-out rods comprises a movable contact spring leading-out rod (2) positioned at the middle position, and a static contact spring leading-out rod (4) and a dynamic contact spring leading-out rod (6) positioned at two sides of the movable contact spring leading-out rod (2);
step 2, an image acquisition device (12) positioned above the welding operation platform (10) acquires the image of the current base (1) in real time, and sends the image into a computer (13) for processing to obtain the current position of the contact spring and auxiliary parts thereof placed on the base (1);
step 3, sleeving a positioning ring (8) into a static contact spring leading-out rod (4) on the base (1), and sleeving the tail end of the movable contact spring (3) into a movable contact spring leading-out rod (2) on the base (1);
step 4, adjusting the position of the movable contact spring (3) under the assistance of a computer (13) so that the front end of the movable contact spring (3) is clung to the positioning ring (8), and welding the tail end of the movable contact spring (3) on the movable contact spring leading-out rod (2) by the welding operation platform (10) at the moment to finish the brazing of the movable contact spring (3); taking out the positioning ring (8) after welding;
step 5, pushing the front end of the movable contact spring (3) on the base (1) by using the dynamometer (11), and when the pressure reading on the dynamometer (11) is consistent with a given pressure recommended value, acquiring an image of the base (1) of the current electromagnetic relay by using the image acquisition device (12), and sending the image into the computer (13) to obtain the virtual position of the movable contact spring (3);
step 6, continuously pushing the movable contact spring (3) on the base (1) by using the dynamometer (11) so as to leave a space for a welding machine for combining the movable contact spring (5); the tail end of the static contact spring (5) is sleeved on a static contact spring leading-out rod (4) on the base (1);
step 7, adjusting the position of the static contact spring (5) under the assistance of a computer (13) so that the front end of the static contact spring (5) is tangent to the virtual position of the movable contact spring (3), and welding the tail end of the static contact spring (5) on the static contact spring leading-out rod (4) by a welding operation platform (10) at the moment to finish the brazing of the static contact spring (5);
step 8, removing the dynamometer (11) and resetting the movable contact spring (3); the tail end of the movable contact spring (7) is sleeved on a movable contact spring leading-out rod (6) on the base (1); 1 positioning plug sheet (9) is placed between the movable contact spring (7) and the movable contact spring (3) and used for controlling the gap between the movable contact spring (3) and the movable contact spring (7);
step 9, the position of the movable and static contact spring (7) is adjusted under the assistance of a computer (13) so that the front end of the movable and static contact spring (7) is clung to the positioning plug piece (9), and at the moment, the welding operation platform (10) welds the tail end of the movable and static contact spring (7) on the movable and static contact spring leading-out rod (6) to finish the brazing of the movable and static contact spring (7); taking out the positioning plug sheet (9) after welding; thus, the welding of a group of contact springs is completed.
2. The intelligent auxiliary brazing method for the electromagnetic relay contact spring system according to claim 1, wherein in the step 9, after the positioning plug piece (9) is taken out, the computer (13) further needs to measure a gap between the movable contact spring (7) and the movable contact spring (3), namely a normally open contact gap, and prompts whether a normally open contact gap parameter is qualified or not according to a measurement result.
3. The intelligent auxiliary brazing method of the electromagnetic relay contact spring system according to claim 1 or 2, wherein in the step 4, the position of the movable contact spring (3) is manually adjusted under the assistance of image display of a computer (13), and whether the front end of the movable contact spring (3) is clung to a positioning ring (8) is judged through human eyes; or under the assistance of the control of the computer (13), the position of the movable contact spring (3) is automatically adjusted by a manipulator, and whether the front end of the movable contact spring (3) is closely attached to the positioning ring (8) is judged by the image processing and comparison of the computer (13).
4. The intelligent auxiliary brazing method of the electromagnetic relay contact spring system according to claim 1 or 2, wherein in the step 7, under the assistance of image display of a computer (13), the position of the static contact spring (5) is manually adjusted, and whether the front end of the static contact spring (5) is tangent to the virtual position of the movable contact spring (3) is judged by human eyes; or under the assistance of the control of the computer (13), the position of the static contact spring (5) is automatically adjusted by the manipulator, and whether the front end of the static contact spring (5) is tangent with the virtual position of the movable contact spring (3) is judged by the image processing and comparison of the computer (13).
5. The intelligent auxiliary brazing method of the electromagnetic relay contact spring system according to claim 1 or 2, wherein in the step 9, under the assistance of image display of a computer (13), the position of the movable contact spring (7) is manually adjusted, and whether the front end of the movable contact spring (7) is tightly attached to the positioning plug piece (9) is judged through human eyes; or under the assistance of the control of the computer (13), the position of the movable and static contact spring (7) is automatically adjusted by a manipulator, and whether the front end of the movable and static contact spring (7) is tightly attached to the positioning plug piece (9) is judged through the image processing and comparison of the computer (13).
6. The intelligent auxiliary brazing device for the electromagnetic relay contact spring system for realizing the method of claim 1 is characterized by comprising a welding operation platform (10), a dynamometer (11), an image acquisition device (12) and a computer (13);
the base (1) of the electromagnetic relay is horizontally arranged on the welding operation platform (10); at least one group of contact spring leading-out rods are arranged on the base (1), wherein each group of contact spring leading-out rods comprises a movable contact spring leading-out rod (2) positioned at the middle position, and a static contact spring leading-out rod (4) and a dynamic contact spring leading-out rod (6) positioned at two sides of the movable contact spring leading-out rod (2);
the image acquisition device (12) is positioned above the welding operation platform (10) and acquires the image of the current base (1) in real time;
the dynamometer (11) is arranged on the welding operation platform (10) and is used for pushing the movable contact spring (3) on the base (1) to move;
the computer (13) processes the image of the base (1) acquired by the image acquisition device (12) to obtain the current position of the contact spring and the auxiliary parts thereof placed on the base (1) so as to assist the brazing of the movable contact spring (3), the static contact spring (5) and the movable contact spring (7).
7. The intelligent auxiliary brazing device for the electromagnetic relay contact spring system according to claim 6, further comprising a manipulator, wherein a control input end of the manipulator is connected with a control output end of the computer (13), and the manipulator is used for adjusting positions of the movable contact spring (3), the static contact spring (5) and the movable contact spring (7) under control of the computer (13).
8. The electromagnetic relay contact spring system intelligent auxiliary brazing device according to claim 6, wherein the image acquisition device (12) is an industrial camera.
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| CN201711367044.8A CN107891206B (en) | 2017-12-18 | 2017-12-18 | Intelligent auxiliary brazing device and method for electromagnetic relay contact spring system |
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| CN201711367044.8A CN107891206B (en) | 2017-12-18 | 2017-12-18 | Intelligent auxiliary brazing device and method for electromagnetic relay contact spring system |
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| CN107891206B true CN107891206B (en) | 2023-06-02 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206047338U (en) * | 2016-08-31 | 2017-03-29 | 贵州航天电器股份有限公司 | A kind of reed spot welding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2043674C1 (en) * | 1991-07-04 | 1995-09-10 | Харьковский научно-исследовательский институт точного машиностроения | Automatic machine for assembling spring with contacts of electromagnetic relay |
| JP3882873B2 (en) * | 1998-08-04 | 2007-02-21 | オムロン株式会社 | Adjustment method of electromagnetic relay operating characteristics |
| CN202134464U (en) * | 2011-06-27 | 2012-02-01 | 厦门宏发密封继电器有限公司 | Contact part of crystal cover relay |
| CN204321459U (en) * | 2014-08-26 | 2015-05-13 | 贵州天义电器有限责任公司 | A kind of armature movable contact spring components welding positioning fixture |
| CN104241032B (en) * | 2014-10-22 | 2016-05-04 | 哈尔滨工业大学 | A kind of relay touches spring arrangement |
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2017
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206047338U (en) * | 2016-08-31 | 2017-03-29 | 贵州航天电器股份有限公司 | A kind of reed spot welding device |
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