CN108115299B - Laser coupling spot welding device - Google Patents
Laser coupling spot welding device Download PDFInfo
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- CN108115299B CN108115299B CN201810060636.3A CN201810060636A CN108115299B CN 108115299 B CN108115299 B CN 108115299B CN 201810060636 A CN201810060636 A CN 201810060636A CN 108115299 B CN108115299 B CN 108115299B
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- laser
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- spot welder
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- 230000008878 coupling Effects 0.000 title claims abstract description 99
- 238000010168 coupling process Methods 0.000 title claims abstract description 99
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 98
- 238000003466 welding Methods 0.000 title claims abstract description 71
- 230000007246 mechanism Effects 0.000 claims abstract description 81
- 230000003287 optical effect Effects 0.000 claims abstract description 20
- 238000006073 displacement reaction Methods 0.000 claims abstract description 10
- 239000013307 optical fiber Substances 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000001808 coupling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a laser coupling spot welding device, and belongs to the field of laser machining. The spot welder comprises a controller, a spot welder workbench, a vertical moving mechanism arranged on the spot welder workbench, a horizontal moving mechanism arranged on the vertical moving mechanism, a laser coupling table arranged on the horizontal moving mechanism, a spot welder arranged on the spot welder workbench and used for carrying out spot welding on a laser, an optical power meter used for coupling the laser and an optical fiber end face detector, wherein the controller is respectively connected with the vertical moving mechanism, the horizontal moving mechanism and the spot welder. The beneficial effects of the invention are as follows: the optical path coupling is directly carried out on the spot welder workbench, so that the manual lifting of the coupling table can be avoided, the coupling table does not need to be conveyed on a conveyor belt, and the displacement of the optical path and the focal length caused by collision, vibration and the like is reduced; the coupling efficiency can be effectively improved without the need of walking of operators.
Description
Technical Field
The invention relates to the field of laser machining, in particular to a laser coupling spot welding device.
Background
There are two methods of coupling spot welding of existing laser assemblies:
the first is manual coupling welding: (1) the operator couples the laser light path on the coupling post; (2) conveying the coupling table through a conveyor belt or lifting the coupling table to a spot welder workbench by an operator; (3) triggering laser welding is firm.
The second is automatic coupling welding: and the worker manually loads, and then the automatic coupling welding equipment automatically completes the coupling of the light paths and the welding is firm.
The first type of manual coupling welding has the following problems in practical operation:
(1) The coupling post is separated from the spot welder workbench, an operator needs to lift and place the coupling bench, hidden danger of touching a X, Y, Z shaft exists, and the offset and the focal length of the light path are affected;
(2) The power running position of the assembly is caused by vibration or table collision of the conveyor belt in the conveying process;
(3) When the operator places the coupling table on the spot welder table, the operator may touch the welding gun.
The second kind of automatic coupling welding, the coupling program is written and the focal length is set. If the consistency of materials is poor, the focal length cannot be adjusted in the automatic coupling process, and the problem that the power coupling of a small part of dies is not large exists.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a laser coupling spot welding device which is used for realizing manual coupling of a laser light path and is firm in automatic welding.
The spot welder comprises a controller, a spot welder workbench, a vertical moving mechanism arranged on the spot welder workbench, a horizontal moving mechanism arranged on the vertical moving mechanism, a laser coupling table arranged on the horizontal moving mechanism, a spot welder arranged on the spot welder workbench and used for carrying out spot welding on a laser, an optical power meter used for coupling the laser and an optical fiber end face detector, wherein the controller is respectively connected with the vertical moving mechanism, the horizontal moving mechanism and the spot welder.
The invention is further improved and further comprises a dust cover which is connected to the spot welder workbench.
The invention further improves, the vertical moving mechanism comprises a fixing module for fixing the vertical moving mechanism on a spot welder workbench, a lifting module, a first driving module for driving the lifting module to lift, a zero position switch and a first limit switch which are arranged on the lifting module.
The invention further improves, the horizontal moving mechanism comprises a horizontal moving module, a second driving module for driving the horizontal moving module to move, and a second limit switch arranged on the horizontal moving module, and the horizontal moving mechanism is fixed on the lifting module through a sliding table fixing seat arranged below the horizontal moving module.
According to the spot welder workbench, the spot welder workbench is further improved, the spot welder workbench comprises a frame and a bottom plate arranged on the frame, a through hole is formed in the bottom plate, the vertical moving mechanism is arranged below the bottom plate, and the sliding table fixing seat penetrates through the through hole and is arranged on the vertical moving mechanism.
According to the invention, the horizontal movement module is a ball screw, the ball screw is provided with a mounting seat, and the laser coupling table is mounted on the mounting seat.
According to the invention, the first driving module and the second driving module respectively comprise a motor and a driver for driving the motor, and the input end of the driver is connected with the output end of the controller.
According to the invention, a further improvement is made, the spot welder workbench is provided with a welding position and a coupling position which are arranged separately, the spot welder is arranged near the welding position, the optical power meter and the optical fiber end face detector are arranged near the coupling position, and when the laser coupling table moves to the coupling position under the action of the vertical moving mechanism and the horizontal moving mechanism, the optical power meter couples the laser; when the laser coupling table moves to a welding position under the action of the vertical moving mechanism and the horizontal moving mechanism, the spot welder performs spot welding on the laser.
According to the invention, the spot welder is a four-beam laser welder, the number of the laser welders is four, the four laser welders are respectively and symmetrically arranged on two sides of the horizontal moving mechanism, and the laser welders on each side are vertically arranged.
Compared with the prior art, the invention has the beneficial effects that: the optical path coupling is directly carried out on the spot welder workbench, so that the manual lifting of the coupling table can be avoided, the coupling table does not need to be conveyed on a conveyor belt, and the displacement of the optical path and the focal length caused by collision, vibration and the like is reduced; the coupling efficiency can be effectively improved without the need of walking of operators; the possibility that an operator touches a welding gun when placing the coupling table on a working table of the spot welder is avoided; the laser coupling spot welding device has the advantages that the coupling action is completed by an operator, and the problem of poor coupling caused by incapacity of adjusting the focal length in automatic coupling can be solved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a vertical movement mechanism;
FIG. 3 is a schematic view of a horizontal movement mechanism;
FIG. 4 is a schematic diagram of a laser coupling stage;
FIG. 5 is a schematic view of a spot welder;
fig. 6 is a schematic diagram of coupling bit and welding bit positions.
Detailed Description
The invention will be described in further detail with reference to the drawings and examples.
As shown in fig. 1, the spot welder comprises a controller and a spot welder workbench, wherein the spot welder workbench comprises a frame 1, a bottom plate 3 arranged on the frame 1, a vertical moving mechanism 2 fixed on the bottom plate 3 of the spot welder workbench, a horizontal moving mechanism 4 arranged on the vertical moving mechanism 2, a laser coupling table 5 arranged on the horizontal moving mechanism 4, a spot welder 6 arranged on the spot welder workbench and used for carrying out spot welding on lasers, an optical power meter 8 used for laser coupling and an optical fiber end face detector 9, and the controller is respectively connected with the vertical moving mechanism 2, the horizontal moving mechanism 4 and the spot welder 6. And a dust cover 7 is also included, and the dust cover 7 is covered on the spot welder workbench.
As shown in fig. 2, the vertical movement mechanism 2 includes a lifting mechanism, a lifting table 21 disposed above the lifting mechanism, four support columns 23 for fixing the vertical movement mechanism to a spot welder workbench, and a lifting table fixing plate 24, a first motor 22 for driving the lifting table 21 to lift, wherein the support columns are used for connecting the vertical movement mechanism 2 with the bottom plate 3.
The controller sends a pulse signal to the driver, which converts the pulse signal to an angular displacement signal that is transmitted to the first motor 22. The lifting mechanism is directly connected with the first motor 22 through a coupling, and the first motor 22 drives the lifting mechanism to drive, so that the lifting table 21 can vertically move. The zero position switch and the first limit switch are respectively arranged on the lifting mechanism and used for feeding back lifting zero position signals and limiting position signals.
As shown in fig. 3 and 4, the horizontal moving mechanism 4 includes a slide table fixing seat 43, a second motor 41, a motor fixing block 45, a coupling, a ball screw 42, and a second limit switch. The lower surface of the sliding table fixing seat 43 is mounted on the lifting table 21 of the vertical movement mechanism 2, and the upper surface is used for mounting the ball screw 42. When the vertical movement mechanism 2 is lifted up and down, the entire horizontal movement mechanism 4 is lifted up and down. The motor fixing block 45 is used for installing the second motor 41, and the second motor 41 is connected with the ball screw 42 through a coupling. In addition, the ball screw 42 is provided with a mounting seat 44, and the laser coupling table 5 is mounted on the mounting seat 44 through a coupling table fixing seat 11. When the vertical moving mechanism 2 and the horizontal moving mechanism 4 are driven, the laser coupling table 5 is also lifted up and down and moves horizontally.
The controller sends pulse signals to the driver, the driver converts the pulse signals into angular displacement signals and transmits the angular displacement signals to the second motor 41, and the second motor 41 drives the ball screw 42 to drive, so that horizontal movement of the ball screw 42 is achieved. The second limit switch is mounted on the ball screw 42 for feeding back the limit position of the horizontal movement.
The bottom plate 3 of this example is provided with a through hole, the vertical movement mechanism 2 is disposed below the bottom plate 3, and the sliding table fixing seat 43 passes through the through hole and is disposed on the vertical movement mechanism 2.
As shown in fig. 5, the spot welder 6 of the present example is a four-beam laser welder, and a welding gun 61 of the laser welder is fixed to the base plate 3 via a fine adjustment bracket 62. The number of welding guns in this example is four, wherein welding guns 611 and 614 are vertically arranged at 90 degrees on one side of the horizontal moving mechanism 4, and welding guns 612 and 613 are vertically arranged at 90 degrees on the other side of the horizontal moving mechanism 4, and the welding guns on both sides are symmetrically arranged, which is equivalent to being capable of welding the laser 10 in four directions at the same time. The controller is externally connected with an I/O port, is connected with a starting switch for signal input, and is externally connected with a relay to control the laser welding machine to trigger laser.
As shown in fig. 6, a welding position B and a coupling position a which are separately arranged are arranged on the bottom plate 3 of the spot welder workbench, the spot welder 6 is arranged near the welding position B, the optical power meter 8 and the optical fiber end face detector 9 are arranged near the coupling position a, and when the laser coupling table 5 moves to the coupling position a under the action of the vertical moving mechanism 2 and the horizontal moving mechanism 4, the optical power meter 8 couples the laser 10; when the laser coupling table 5 moves to the welding position B under the action of the vertical moving mechanism 2 and the horizontal moving mechanism 4, the spot welder 6 performs spot welding on the laser 10. The welding gun is arranged separately, so that operators are prevented from touching the welding gun during coupling operation, and the welding precision is prevented from being influenced.
The working mode of the coupling spot welding is as follows:
1. an operator installs the laser assembly on a laser coupling table, and uses an optical power meter to couple with an optical path first;
2. after the coupling of the laser light path is finished, an operator presses a starting switch, a controller sends a pulse signal to a driver, and the driver drives a motor to drive a horizontal moving mechanism and a vertical moving mechanism, so that a coupling table is transmitted to a welding position of a laser welding machine from a coupling position;
3. the controller is externally connected with a relay to trigger the laser welding machine to work, so that the laser is firmly welded. The controller controls the displacement of the horizontal moving mechanism to set the number of welding spots and the angle distribution, and controls the position of the laser to be welded by controlling the displacement of the vertical moving mechanism. The welding spot is ensured not to deviate, and the welding is reliable;
4. and after the welding is finished, the controller sends pulse signals to the driver, the driver drives the motor to drive the horizontal moving mechanism and the vertical moving mechanism, the laser coupling table is firstly driven to a set zero point from a welding position, and then the laser coupling table is transmitted back to the coupling position of the laser welding machine from the zero point. And after the coupling welding of the laser is finished, the operator takes down the product. The coupling table is transmitted to the zero point and then returns to the coupling position, so that the distance error of the actual movement of the horizontal moving mechanism and the vertical moving mechanism caused by step loss of the stepping motor can be avoided, and the position of the welding spot is ensured not to deviate.
Compared with the prior art, the invention has the beneficial effects that:
(1) The optical path coupling is directly carried out on the spot welder workbench, so that the manual lifting of the coupling table can be avoided, the coupling table does not need to be conveyed on a conveyor belt, and the displacement of the optical path and the focal length caused by collision, vibration and the like is reduced;
(2) The coupling efficiency can be effectively improved without the need of walking of operators;
(3) The possibility that an operator touches a welding gun when placing the coupling table on a working table of the spot welder is avoided;
(4) The laser coupling spot welding device has the advantages that the coupling action is completed by an operator, and the problem of poor coupling caused by incapacity of adjusting the focal length in automatic coupling can be solved.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, which includes but is not limited to the embodiments, and equivalent modifications according to the present invention are within the scope of the present invention.
Claims (9)
1. A laser coupling spot welding device, characterized in that: comprises a controller, a spot welder workbench, a vertical moving mechanism arranged on the spot welder workbench, a horizontal moving mechanism arranged on the vertical moving mechanism, a laser coupling table arranged on the horizontal moving mechanism, a spot welder arranged on the spot welder workbench and used for carrying out spot welding on a laser, an optical power meter used for coupling the laser and an optical fiber end face detector, wherein the controller is respectively connected with the vertical moving mechanism, the horizontal moving mechanism and the spot welder,
the working mode of the laser coupling spot welding device is as follows:
an operator installs the laser assembly on a laser coupling table, and uses an optical power meter to couple with an optical path first;
after the coupling of the laser light path is finished, driving a vertical moving mechanism and a horizontal moving mechanism, and transmitting a coupling table from a coupling position to a welding position of a laser welding machine;
the controller is externally connected with a relay to trigger the laser welding machine to work, the laser is firmly welded, the number and the angle distribution of welding spots are set by controlling the displacement of the horizontal moving mechanism through the controller, and the position of the laser to be welded is controlled by controlling the displacement of the vertical moving mechanism.
2. The laser coupling spot welding apparatus according to claim 1, wherein: the spot welder further comprises a dust cover, and the dust cover is connected to the spot welder workbench.
3. The laser coupling spot welding apparatus according to claim 1 or 2, wherein: the vertical moving mechanism comprises a fixing module, a lifting module, a first driving module, a zero position switch and a first limit switch, wherein the fixing module, the lifting module and the first driving module are used for fixing the vertical moving mechanism on a spot welder workbench, and the first driving module is used for driving the lifting module to lift.
4. A laser coupling spot welding apparatus as defined in claim 3, wherein: the horizontal movement mechanism comprises a horizontal movement module, a second driving module for driving the horizontal movement module to move, and a second limit switch arranged on the horizontal movement module, and is fixed on the lifting module through a sliding table fixing seat arranged below the horizontal movement module.
5. The laser coupling spot welding apparatus according to claim 4, wherein: the spot welder workbench comprises a frame and a bottom plate arranged on the frame, a through hole is formed in the bottom plate, the vertical moving mechanism is arranged below the bottom plate, and the sliding table fixing seat penetrates through the through hole and is arranged on the vertical moving mechanism.
6. The laser coupling spot welding apparatus according to claim 4, wherein: the horizontal movement module is a ball screw, a mounting seat is arranged on the ball screw, and the laser coupling table is arranged on the mounting seat.
7. The laser coupling spot welding apparatus according to claim 4, wherein: the first driving module and the second driving module respectively comprise a motor and a driver for driving the motor, and the input end of the driver is connected with the output end of the controller.
8. The laser coupling spot welding apparatus according to claim 1 or 2, wherein: the spot welder is arranged near the welding position, the optical power meter and the optical fiber end face detector are arranged near the coupling position, and when the laser coupling table moves to the coupling position under the action of the vertical moving mechanism and the horizontal moving mechanism, the optical power meter couples the laser; when the laser coupling table moves to a welding position under the action of the vertical moving mechanism and the horizontal moving mechanism, the spot welder performs spot welding on the laser.
9. The laser coupling spot welding apparatus according to claim 8, wherein: the spot welder is a four-beam laser welder, the number of the laser welders is four, the four laser welders are symmetrically arranged on two sides of the horizontal moving mechanism respectively, and the laser welders on each side are vertically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810060636.3A CN108115299B (en) | 2018-01-22 | 2018-01-22 | Laser coupling spot welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810060636.3A CN108115299B (en) | 2018-01-22 | 2018-01-22 | Laser coupling spot welding device |
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| Publication Number | Publication Date |
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| CN108115299A CN108115299A (en) | 2018-06-05 |
| CN108115299B true CN108115299B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810060636.3A Active CN108115299B (en) | 2018-01-22 | 2018-01-22 | Laser coupling spot welding device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09138328A (en) * | 1995-11-14 | 1997-05-27 | Nec Corp | Apparatus for producing optical semiconductor module |
| CN102275040A (en) * | 2011-07-11 | 2011-12-14 | 中南大学 | Auto-coupling welding and packaging mechanical device of coaxial-type optical transceiving device |
| CN202726318U (en) * | 2012-09-14 | 2013-02-13 | 成都储翰科技有限公司 | Automatic coupling and welding device for semiconductor laser diode |
| CN205057297U (en) * | 2015-03-23 | 2016-03-02 | 深圳市一铭飞高科技有限公司 | Full -automatic coupling welding machine of laser instrument |
| CN205437494U (en) * | 2015-12-30 | 2016-08-10 | 深圳市恒宝通光电子股份有限公司 | Automatic laser spot welding device of optical device |
| CN105880831A (en) * | 2016-01-07 | 2016-08-24 | 武汉电信器件有限公司 | Coupling device and coupling method for flip chip |
| CN107398637A (en) * | 2017-08-01 | 2017-11-28 | 深圳市大族锐波传感科技有限公司 | A kind of coupling welding machine |
| CN207971583U (en) * | 2018-01-22 | 2018-10-16 | 深圳市恒宝通光电子股份有限公司 | A kind of laser coupling spot welding device |
-
2018
- 2018-01-22 CN CN201810060636.3A patent/CN108115299B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09138328A (en) * | 1995-11-14 | 1997-05-27 | Nec Corp | Apparatus for producing optical semiconductor module |
| CN102275040A (en) * | 2011-07-11 | 2011-12-14 | 中南大学 | Auto-coupling welding and packaging mechanical device of coaxial-type optical transceiving device |
| CN202726318U (en) * | 2012-09-14 | 2013-02-13 | 成都储翰科技有限公司 | Automatic coupling and welding device for semiconductor laser diode |
| CN205057297U (en) * | 2015-03-23 | 2016-03-02 | 深圳市一铭飞高科技有限公司 | Full -automatic coupling welding machine of laser instrument |
| CN205437494U (en) * | 2015-12-30 | 2016-08-10 | 深圳市恒宝通光电子股份有限公司 | Automatic laser spot welding device of optical device |
| CN105880831A (en) * | 2016-01-07 | 2016-08-24 | 武汉电信器件有限公司 | Coupling device and coupling method for flip chip |
| CN107398637A (en) * | 2017-08-01 | 2017-11-28 | 深圳市大族锐波传感科技有限公司 | A kind of coupling welding machine |
| CN207971583U (en) * | 2018-01-22 | 2018-10-16 | 深圳市恒宝通光电子股份有限公司 | A kind of laser coupling spot welding device |
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Address after: 518000 809, 810, 811, block B, building 6, Shenzhen International Innovation Valley, Dali community, Xili street, Nanshan District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN HI-OPTEL TECHNOLOGY Co.,Ltd. Address before: Hengbaotong building, No.2 building, Longjing Gaofa Science Park, Nanshan District, Shenzhen, Guangdong 518000 Applicant before: SHENZHEN HI-OPTEL TECHNOLOGY Co.,Ltd. |
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