CN112222617A - Automatic laser welding device and welding method - Google Patents
Automatic laser welding device and welding method Download PDFInfo
- Publication number
- CN112222617A CN112222617A CN202010974162.0A CN202010974162A CN112222617A CN 112222617 A CN112222617 A CN 112222617A CN 202010974162 A CN202010974162 A CN 202010974162A CN 112222617 A CN112222617 A CN 112222617A
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- welding
- welding device
- base
- driving seat
- control system
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- 238000003466 welding Methods 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 76
- 239000011521 glass Substances 0.000 claims description 55
- 239000012535 impurity Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000003825 pressing Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000010330 laser marking Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/20—Uniting glass pieces by fusing without substantial reshaping
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
- B23K2103/54—Glass
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides an automatic laser welding device and a welding method, and belongs to the technical field of laser welding. This welding set includes the base, be provided with the rotation driving seat on the base and accept the piece, be provided with the motor on the rotation driving seat, be connected with the gear on the output shaft of motor, it includes rotor plate and material and holds the platform to accept the piece, material holds the platform and articulates mutually with the rotor plate, set up flutedly on the base, material holds the platform and is located the recess and holds and is provided with pressure sensor on the platform, the connecting hole has been seted up on the rotor plate, the tooth has on the inner wall of connecting hole, the gear meshes with the tooth mutually, welding set still includes control system and wireless transmitter, control system includes the controller, the motor is connected with the controller electricity. The welding device automatically clamps materials to be welded when welding through the control system, automatically releases the materials after welding is completed, realizes automatic control, and is convenient to operate and high in test efficiency.
Description
Technical Field
The invention belongs to the technical field of laser welding, and relates to an automatic laser welding device and a welding method.
Background
The glass joining technique is to join a glass-glass material or a glass-non-glass material (e.g., a metal material) by a certain means. The existing glass connection technology comprises an adhesive bonding method, mechanical fixation, anodic bonding and CO2Infrared laser fusion welding, etc., which are often inefficient, have inadequate sealing properties, and have inadequate connection strength.
In order to solve the above problems, the glass laser welding technology is developed, and at present, the research on glass laser welding at home and abroad has made a certain progress, but in the existing research, in order to realize better glass welding effect, a special clamp is needed to clamp the material to be welded so as to reduce the gap between the material and the material.
In an ultrafast laser welding apparatus and method provided in chinese patent publication No. CN108723595A, a welding jig for pressing a glass material with a bolt is disclosed. Chinese patent publication No. CN 109702343 a discloses a welding jig for pressing glass materials by using attraction of magnets, which realizes welding between glass materials.
The welding fixture has the steps that manual operation is needed for pressing the materials to be welded and taking out the welding finished products, so that the operation is inconvenient, and the welding efficiency is low.
Disclosure of Invention
The invention provides an automatic laser welding device aiming at the problems in the prior art, and the technical problems to be solved by the invention are as follows: how to improve the convenience of operation.
The purpose of the invention can be realized by the following technical scheme:
an automatic laser welding device comprises a base, and is characterized in that a rotary driving seat and a bearing piece are arranged on the base, the rotary driving seat is provided with a motor, an output shaft of the motor is connected with a gear, the bearing piece comprises a rotating plate and a material bearing table, the material bearing table is hinged with the rotating plate, a groove is arranged on the base, the material bearing table is positioned in the groove, a pressure sensor is arranged on the bearing table, the rotating plate is provided with a connecting hole, the inner wall of the connecting hole is provided with teeth, the gear is meshed with the teeth, the welding device also comprises a control system and a wireless signal transmitter, wherein the control system comprises a controller, the motor is electrically connected with the controller, and the pressure sensor sends the detected signal to the control system through a wireless signal transmitter.
The working principle is as follows: among this welding set, the material holds the bench and is provided with pressure sensor, place at material and hold the bench after at glass, pressure sensor detects the signal and sends to wireless signal transmitter, wireless signal transmitter transmission signal is to control system, control system driving motor rotates, the rotation driving seat starts this moment, rotation driving seat drive rotor plate is rotatory and press down fixedly to glass, make two coated glass in close contact with, after the welding, the rotation driving seat drives rotor plate reverse rotation again, loosen glass, release the welding finished product. The welding device automatically clamps materials to be welded when welding through the control system, automatically releases the materials after welding is completed, realizes automatic control, and is convenient to operate and high in test efficiency.
Of course, the material to be welded to which the welding apparatus can be applied is not limited to a glass lug, and may be a lug of other material.
In the above-mentioned automatic laser welding device, the inner wall of recess and the bottom of material bearing platform are the arc and the two pastes and leans on mutually, the upper surface of material bearing platform with the surface looks parallel and level of base.
In the above automatic laser welding device, a weight block is disposed below the material receiving table. The balancing weight below the material receiving table enables a normal line of the upper surface of the material receiving table to be vertical to the horizontal plane all the time.
In the automatic laser welding device, the pressure sensor is mounted in the middle of the material receiving table and can sense whether the material to be welded is placed on the material receiving table or not through the wireless signal transmitter. The pressure sensor positioned in the middle of the material bearing table can accurately sense whether the material to be welded is placed on the material bearing table or not.
In the automatic laser welding device, a mounting groove is formed in the base, the rotary driving seat is arranged in the mounting groove, an adjusting nut is connected to the base in a threaded manner, and a screw of the adjusting nut abuts against the rotary driving seat. The position of the rotary driving seat is adjusted by adjusting the nut, so that the connecting rod of the rotary driving seat is vertical to the edge of the upper surface of the base.
In the above-mentioned automatic laser welding device, the two receiving members are disposed opposite to each other, and two ends of each receiving member are respectively provided with a rotation driving seat. In the structure, the rotating plates on the two bearing pieces clamp materials to be welded (such as glass) together, so that the materials to be welded are better fixed, and the welding effect is improved.
In the above-mentioned automatic laser welding device, the two control systems are respectively located at opposite sides of the base.
In the above automatic laser welding device, the control system further includes a housing, the controller is located in the housing, a display screen is disposed on the housing, and the display screen is electrically connected to the controller. The shell plays a certain protection role for the controller, and parameters input by the computer can be displayed on the display screen, so that the observation is convenient.
Another object of the present invention is to provide a welding method of the welding apparatus, the welding method including the steps of:
A. removing impurities on the surfaces of the two pieces of glass and coating;
B. b, the two pieces of coated glass processed in the step A are attached to each other and tightly attached to each other, then the two pieces of coated glass are placed on a material bearing table, and a rotary driving seat drives a rotating plate to rotate and presses and fixes the glass, so that the two pieces of coated glass are tightly contacted;
C. laser welding the coated glass by using laser with proper parameters;
D. and after the welding is finished, pushing out the welded glass material, and taking out the welded finished product.
Before the rotary driving seat is used, the position of the rotary driving seat can be adjusted through the adjusting nut, so that the connecting rod of the rotary driving seat is perpendicular to the edge of the upper surface of the base. The display screen is composed of a nixie tube, parameters are input through a computer, the rotating range and the rotating angular velocity of the rotating driving seat are set through a control system, and the input parameters are displayed on the display screen.
When impurities are removed, the glass can be soaked and cleaned so as to completely remove stains, dust and the like attached to the surface of the calcium-containing glass, and when the glass is placed or taken out, a robot hand can be used for carrying out the cleaning.
In the process of welding by using laser, the position of the laser can be adjusted by adjusting a galvanometer of the marking machine, so that the laser is focused at the middle position of two pieces of glass. The maximum scanning speed of the laser marking machine is 2000mm/s, the repetition frequency is 0-80kHz, M2<1.4. After welding, the control system receives the welding ending pulse information sent by the laser control card, pushes out the welded glass material, and takes out the welded finished product by the manipulator.
In the welding method of the welding apparatus described above, in step C, the power of the laser is 8W, the repetition frequency is 40kHz, the line pitch is 20um, and the welding speed is 20 mm/s.
Experiments prove that when the power of the laser is 8W, the repetition frequency is 40kHz, the line spacing is 20um, and the welding speed is 20mm/s, the welding effect is good.
Compared with the prior art, the invention has the following advantages:
the welding device automatically clamps materials to be welded when welding through the control system, automatically releases the materials after welding is completed, realizes automatic control, and is convenient to operate and high in test efficiency.
Drawings
FIG. 1 is a schematic view of the welding apparatus;
FIG. 2 is a schematic view of a rotary drive socket;
FIG. 3 is a schematic view of the structure of the adapter;
FIG. 4 is a schematic diagram of a wireless signal transmitter;
FIG. 5 is a schematic view of the structure of the base;
fig. 6 is a functional block diagram of the control system.
In the figure, 1, a base; 2. a rotary driving seat; 3. a receiving member; 4. a gear; 5. a rotating plate; 6. a material receiving station; 7. a groove; 8. connecting holes; 9. teeth; 10. a control system; 11. a wireless signal transmitter; 12. mounting grooves; 13. adjusting the nut; 14. a housing; 15. a display screen; 16. laser; 17. and (3) glass.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-4, the welding device comprises a base 1, a rotary driving seat 2 and a receiving part 3 are arranged on the base 1, a motor is arranged on the rotary driving seat 2, a gear 4 is connected to an output shaft of the motor, the receiving part 3 comprises a rotating plate 5 and a material receiving table 6, the material receiving table 6 is hinged to the rotating plate 5, a groove 7 is formed in the base 1, the material receiving table 6 is located in the groove 7, a pressure sensor is arranged on the receiving table, a connecting hole 8 is formed in the rotating plate 5, teeth 9 are arranged on the inner wall of the connecting hole 8, the gear 4 is meshed with the teeth 9, the welding device further comprises a control system 10 and a wireless signal transmitter 11, the control system 10 comprises a controller, the motor is electrically connected with the controller, and the pressure sensor sends detected signals to the control system 10 through the wireless signal transmitter 11.
As shown in fig. 6, parameters are input through a computer, the rotation range and the rotation angular velocity of the rotation driving seat 2 are set through the control system 10, after the glass 17 is placed on the material receiving table 6, the pressure sensor detects a signal and sends the signal to the wireless signal transmitter 11, the wireless signal transmitter 11 transmits the signal to the control system 10, the control system 10 drives the motor to rotate, the rotation driving seat 2 is started at the moment, the rotation driving seat 2 drives the rotating plate 5 to rotate and press and fix the glass 17, so that the two pieces of coated glass 17 are in close contact, after welding is finished, the rotation driving seat 2 drives the rotating plate 5 to rotate reversely, the glass 17 is loosened, and a welding finished product is pushed out.
Of course, the material to be welded to which the welding apparatus can be applied is not limited to the glass 17 pad, and may be a pad made of other material.
In the present embodiment, as shown in fig. 3 and 5, the inner wall of the groove 7 and the bottom of the material receiving platform 6 are curved and abut against each other, and the upper surface of the material receiving platform 6 is flush with the surface of the base 1.
As an embodiment, a weight block is arranged below the material receiving table 6. The balancing weight below the material receiving platform 6 enables the normal line of the upper surface of the material receiving platform 6 to be vertical to the horizontal plane all the time.
As an embodiment, a pressure sensor is installed in the middle of the material receiving table 6 and the pressure sensor can sense whether the material to be welded is placed on the material receiving table 6 through the wireless signal transmitter 11. The pressure sensor positioned in the middle of the material bearing table 6 can accurately sense whether the material to be welded is placed on the material bearing table 6.
As shown in fig. 1 and 5, in this embodiment, a mounting groove 12 is formed on the base 1, the rotary driving seat 2 is located and mounted in the mounting groove 12, an adjusting nut 13 is connected to the base 1 by a screw, and a screw of the adjusting nut 13 abuts against the rotary driving seat 2. The position of the rotary driving seat 2 is adjusted by the adjusting nut 13 so that the link of the rotary driving seat 2 is perpendicular to the edge of the upper surface of the base 1.
As shown in fig. 1, in the present embodiment, two receiving members 3 are provided and are disposed opposite to each other, and the two ends of each receiving member 3 are respectively provided with a rotation driving seat 2. In the structure, the rotating plates 5 on the two bearing pieces 3 clamp materials (such as glass) to be welded together, so that the materials to be welded are better fixed, and the welding effect is improved.
As shown in fig. 1, in the present embodiment, two control systems 10 are provided and are respectively located on opposite sides of the base 1. After the material to be welded is placed, the control system 10 can receive the signal and control the motor to rotate, so that the rotating plate 5 compresses the glass; after the welding is finished, the control system 10 can receive a laser end signal and control the motor to rotate reversely to push out a welding finished product, so that an automatic process is realized.
As shown in fig. 1, in this embodiment, the control system 10 further includes a housing 14, the controller is located in the housing 14, a display screen 15 is disposed on the housing 14, and the display screen 15 is electrically connected to the controller. The shell 14 plays a certain protection role for the controller, and parameters input by a computer can be displayed on the display screen 15, so that the observation is convenient.
The welding method of the welding device comprises the following steps:
A. removing impurities on the surfaces of the two pieces of glass 17 and coating;
B. b, the two pieces of coated glass 17 processed in the step A are attached to each other and tightly attached to each other, then the two pieces of coated glass 17 are placed on the material bearing table 6, the rotating driving seat 2 drives the rotating plate 5 to rotate and presses and fixes the glass 17, and the two pieces of coated glass 17 are tightly contacted;
C. laser welding the coated glass 17 by using laser 16 with proper parameters;
D. after the welding is finished, the welded glass 17 material is pushed out, and then the welded finished product is taken out.
The position of the rotary driving seat 2 can be adjusted by adjusting the nut 13 before use so that the link of the rotary driving seat 2 is perpendicular to the edge of the upper surface of the base 1. The display screen 15 is composed of a nixie tube, parameters are input through a computer, the rotating range and the rotating angular velocity of the rotating driving seat 2 are set through the control system 10, and the input parameters are displayed on the display screen 15.
When removing impurities, the glass 17 can be soaked and cleaned to completely remove stains, dust and the like attached to the surface of the calcium-containing glass 17, and when the glass 17 is placed or taken out, a robot hand can be used for carrying out the removal.
During welding with the laser 16, the position of the laser 16 can be adjusted by adjusting the galvanometer of the marking machine so that the laser 16 is focused at the middle position of the two pieces of glass 17. The maximum scanning speed of the laser 16 marking machine is 2000mm/s, the repetition frequency is 0-80kHz, M2<1.4. After welding, the control system 10 receives the welding end pulse information sent by the laser 16 control card, pushes out the welded glass 17 material, and the robot takes out the welded finished product.
Preferably, in step C, the power of the laser 16 is 8W, the repetition rate is 40kHz, the line spacing is 20um, and the welding speed is 20 mm/s. Experiments prove that when the power of the laser 16 is 8W, the repetition frequency is 40kHz, the line spacing is 20um, and the welding speed is 20mm/s, the welding effect is good.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. An automatic laser welding device comprises a base (1) and is characterized in that a rotary driving seat (2) and a bearing piece (3) are arranged on the base (1), a motor is arranged on the rotary driving seat (2), a gear (4) is connected onto an output shaft of the motor, the bearing piece (3) comprises a rotating plate (5) and a material bearing table (6), the material bearing table (6) is hinged with the rotating plate (5), a groove (7) is formed in the base (1), the material bearing table (6) is positioned in the groove (7) and provided with a pressure sensor, a connecting hole (8) is formed in the rotating plate (5), teeth (9) are arranged on the inner wall of the connecting hole (8), the gear (4) is meshed with the teeth (9), the welding device further comprises a control system (10) and a wireless signal transmitter (11), the control system (10) comprises a controller, the motor is electrically connected with the controller, and the pressure sensor sends a detected signal to the control system (10) through a wireless signal transmitter (11).
2. An automated laser welding device according to claim 1, characterized in that the inner wall of the groove (7) and the bottom of the material receiving table (6) are curved and abut against each other, and the upper surface of the material receiving table (6) is flush with the surface of the base (1).
3. An automated laser welding device according to claim 1, characterized in that a weight block is arranged below the material receiving table (6).
4. An automated laser welding device according to claim 1, characterized in that the pressure sensor is mounted in the middle of the material receiving table (6) and the pressure sensor can sense whether the material to be welded is placed on the material receiving table (6) or not by means of a wireless signal transmitter (11).
5. The automatic laser welding device according to claim 1, characterized in that a mounting groove (12) is formed in the base (1), the rotary driving seat (2) is mounted in the mounting groove (12), an adjusting nut (13) is connected to the base (1) in a threaded manner, and a screw of the adjusting nut (13) abuts against the rotary driving seat (2).
6. An automated laser welding device according to claim 1, characterized in that the two receiving members (3) are arranged opposite to each other, and the two ends of each receiving member (3) are respectively provided with a rotary driving seat (2).
7. An automated laser welding device according to claim 1, characterized in that said control system (10) is two and respectively located on opposite sides of said base (1).
8. An automated laser welding device according to any one of claims 1-7, characterized in that the control system (10) further comprises a housing (14), the controller is located in the housing (14), a display screen (15) is arranged on the housing (14), and the display screen (15) is electrically connected with the controller.
9. A welding method of a welding device according to claim 1, said welding method comprising the steps of:
A. removing impurities on the surfaces of the two pieces of glass (17) and coating;
B. b, the two pieces of coated glass (17) processed in the step A are attached to each other and tightly attached to each other, then the two pieces of coated glass are placed on a material bearing table (6), a rotating driving seat (2) drives a rotating plate (5) to rotate and presses and fixes the glass (17), and the two pieces of coated glass (17) are tightly contacted;
C. laser welding the coated glass (17) by using laser (16) with proper parameters;
D. after the welding is finished, the welded glass (17) material is pushed out, and then the welded finished product is taken out.
10. Welding method according to claim 9, characterized in that in step C the power of the laser (16) is 8W, the repetition rate is 40kHz, the line spacing is 20um and the welding speed is 20 mm/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010974162.0A CN112222617B (en) | 2020-09-16 | 2020-09-16 | Automatic laser welding device and welding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010974162.0A CN112222617B (en) | 2020-09-16 | 2020-09-16 | Automatic laser welding device and welding method |
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| Publication Number | Publication Date |
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| CN112222617A true CN112222617A (en) | 2021-01-15 |
| CN112222617B CN112222617B (en) | 2024-06-14 |
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| CN202010974162.0A Active CN112222617B (en) | 2020-09-16 | 2020-09-16 | Automatic laser welding device and welding method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146594A (en) * | 2021-05-12 | 2021-07-23 | 黄河水利职业技术学院 | Gantry hoisting robot welding device and working method thereof |
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| CN112222617B (en) | 2024-06-14 |
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