CN112140561A - Mask laser welding device and method for welding by using same - Google Patents

Mask laser welding device and method for welding by using same Download PDF

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Publication number
CN112140561A
CN112140561A CN202010838025.4A CN202010838025A CN112140561A CN 112140561 A CN112140561 A CN 112140561A CN 202010838025 A CN202010838025 A CN 202010838025A CN 112140561 A CN112140561 A CN 112140561A
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CN
China
Prior art keywords
welding
mask
laser
semiconductor laser
head
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Pending
Application number
CN202010838025.4A
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Chinese (zh)
Inventor
李翠
吴泽锋
何乐乐
高辉
闫大鹏
李成
汪伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Raycus Fiber Laser Technologies Co Ltd
Original Assignee
Wuhan Raycus Fiber Laser Technologies Co Ltd
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Filing date
Publication date
Application filed by Wuhan Raycus Fiber Laser Technologies Co Ltd filed Critical Wuhan Raycus Fiber Laser Technologies Co Ltd
Priority to CN202010838025.4A priority Critical patent/CN112140561A/en
Publication of CN112140561A publication Critical patent/CN112140561A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H43/00—Other methods, machines or appliances
    • A41H43/02—Handling garment parts or blanks, e.g. feeding, piling, separating or reversing
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H43/00—Other methods, machines or appliances
    • A41H43/04—Joining garment parts or blanks by gluing or welding ; Gluing presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7841—Holding or clamping means for handling purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/4807—Headwear
    • B29L2031/4835—Masks

Abstract

The invention provides a mask laser welding device and a method for welding by using the same, wherein the mask laser welding device comprises a welding assembly and a welding clamp; the welding assembly comprises a semiconductor laser, a welding head and a control device; the welding fixture is used for clamping the mask material, the welding head is electrically connected with the semiconductor laser, and the laser beam of the welding head is positioned at the welding end of the welding fixture; the control device is in communication connection with the semiconductor laser and the welding head and used for adjusting the welding parameters of the semiconductor laser and the welding head according to the parameters of the mask so that the semiconductor laser and the welding head can operate according to the welding parameters. According to the mask laser welding device provided by the invention, the semiconductor laser and the welding head are controlled by the control device to weld the mask material in the welding fixture, so that the risk of damage to the material is small, and the product quality is more stable. Compared with manual welding and ultrasonic welding mask processes, the mask laser welding device is simpler, can well realize automatic production, and improves production efficiency.

Description

Mask laser welding device and method for welding by using same
Technical Field
The invention relates to the field of laser welding, in particular to a mask laser welding device and a method for welding by using the same.
Background
The mask has a certain filtering function on air entering the lung, and has a very good effect when being worn in respiratory infectious diseases and working in environments polluted by dust and the like.
With the development of society, the demand of the mask is remarkably improved, the quality of the mask is particularly important, and the welding technology of the mask is a key link in the mask manufacturing industry. The current welding technology methods mainly comprise the following steps: firstly, manual welding, degree of automation is not high, and production efficiency is extremely low. Secondly, ultrasonic welding, but the vibration of ultrasonic welding may cause damage risk to the material to be welded, and the welding head is extremely easy to wear and needs to frequently replace accessories due to contact welding. The ultrasonic welding system is easy to have problems, the debugging of equipment is complex, the quality of a welded product is unstable, the requirements on the form, the size and the performance of a material joint are strict, and the problems of high noise and the like exist.
The laser welding technology can well overcome the problems, has wide application range to materials and can adapt to the welding of complex structures. The welding can be carried out at room temperature or under special conditions, the welding equipment is simple, the laser can carry out welding in vacuum, air and certain gas environment, and the welding can be carried out through glass or materials transparent to light beams. Can weld the parts which are difficult to access, can perform non-contact remote welding and has great flexibility. However, there is no mature laser welding technology for masks, and therefore, the development of a new mask laser welding process is imminent.
Disclosure of Invention
The embodiment of the invention provides a mask laser welding device and a welding method using the same, which are used for solving the quality and efficiency problems in the welding of the mask manufacturing industry at present.
The embodiment of the invention provides a mask laser welding device, which comprises:
a welding assembly and a welding fixture;
the welding assembly includes: a semiconductor laser, a welding head and a control device;
the welding fixture is used for clamping mask materials, the welding head is electrically connected with the semiconductor laser, and a laser beam of the welding head is positioned at the welding end of the welding fixture;
the control device is in communication connection with the semiconductor laser and the welding head at the same time and used for adjusting the welding parameters of the semiconductor laser and the welding head according to the parameters of the mask so as to enable the semiconductor laser and the welding head to operate according to the welding parameters.
According to a mask laser welding apparatus of an embodiment of the present invention, the welding jig includes: the clamp pressing plate and the special clamp are detachably pressed and connected with each other; the clamp pressing plate is used for being installed at the top of the mask material, and the special clamp is installed at the bottom of the mask material.
According to the mask laser welding device, the clamp pressing plate is a light-transmitting clamp pressing plate.
According to the mask laser welding device provided by the embodiment of the invention, the clamp pressing plate is an opaque clamp pressing plate, and a plurality of grooves for welding are formed in the opaque clamp pressing plate.
According to the mask laser welding apparatus of one embodiment of the present invention, the welding assembly further includes:
a laser transmission optical fiber; the semiconductor laser is electrically connected with the welding head through the laser transmission optical fiber.
According to the mask laser welding apparatus of one embodiment of the present invention, the welding assembly further includes: a plurality of communication lines;
the control device is in communication connection with the welding head through the communication line, and the control device is in communication connection with the semiconductor laser through another communication line.
According to the mask laser welding device, the semiconductor laser is a direct semiconductor optical fiber output semiconductor laser, the wavelength range of the semiconductor laser is 900 nm-1000 nm, and the maximum power range of the semiconductor laser is 50W-1000W; the welding head is one of a common fixed light path welding head, a galvanometer welding head and a beam shaper, and the minimum spot diameter of the calculated and output light is 0.1-5 mm.
According to the mask laser welding device provided by the embodiment of the invention, the mask material is formed by overlapping 3-12 layers of materials.
The embodiment of the invention also provides a method for welding by using the mask laser welding device, which comprises the following steps:
placing the mask material in a welding fixture for fixing and pressing;
selecting a corresponding welding assembly, setting parameters of a mask on a control device, and obtaining welding parameters for adjusting a semiconductor laser and a welding head;
and controlling the semiconductor laser and the welding head to operate according to the welding parameters, so that the mask material is tightly attached, fused, connected and fixed together, and the welding of the mask is completed.
According to the method for welding by using the mask laser welding device, the semiconductor laser and the welding head are controlled to operate according to welding parameters, so that the mask materials are closely attached, fused, connected and fixed together, and the step of welding the mask comprises the following steps:
acquiring a welding track according to the welding parameters;
and the welding head controls the laser beam to realize the welding track according to the welding track.
The mask laser welding device and the method for welding by using the mask laser welding device provided by the invention adopt non-contact remote welding, can solve the problems of noise and the like caused by welding, weld parts which are difficult to be approached, control the semiconductor laser and the welding head to weld the mask material in the welding fixture by the control device, have small damage risk to the material and have more stable product quality. Compared with the mask welding and ultrasonic welding processes, the mask laser welding device is simpler, more convenient to operate and more accurate to control, can well realize automatic production, and improves the production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a mask laser welding apparatus provided in the present invention;
FIG. 2 is a schematic structural view of a welding fixture using a non-light tight fixture pressing plate according to the present invention;
FIG. 3 is a schematic structural view of the welding fixture after welding using the opaque fixture platen according to the present invention;
FIG. 4 is a schematic structural diagram of a welding fixture employing a transparent fixture pressing plate according to the present invention after welding;
fig. 5 is a schematic structural view of the mask provided by the present invention after welding;
FIG. 6 is a schematic flow chart of a welding method using a mask laser welding device according to the present invention;
in the figure, 1, a semiconductor laser; 2. a laser transmission optical fiber; 3. welding a head; 4. a laser beam; 5. pressing a clamp plate; 6. a mask; 7. a special fixture; 8. a control device; 9. a communication line; 10. grooving; 11. and (7) welding seams.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The mask laser welding apparatus according to the embodiment of the present invention will be described below with reference to fig. 1, which may be used to weld and process a general gauze mask, a medical mask, a daily protective mask, a dust mask, an oil smoke mask, and the like.
In this embodiment, this gauze mask laser welding device includes: a welding assembly and a welding fixture. The welding assembly includes: a semiconductor laser 1, a bonding head 3, and a control device 8. The welding fixture is used for clamping the mask material. The welding head 3 is electrically connected with the semiconductor laser 1, and the laser beam 4 of the welding head 3 is positioned at the welding end of the welding fixture. The control device 8 is simultaneously in communication connection with the semiconductor laser 1 and the welding head 3, and the control device 8 is used for adjusting the welding parameters of the semiconductor laser 1 and the welding head 3 according to the design parameters of the mask 6 and the parameters of the mask material, so that the semiconductor laser 1 and the welding head 3 operate according to the welding parameters.
The mask material is formed by overlapping a plurality of layers of materials, and according to specific requirements, the mask material can be formed by overlapping and welding 3 layers of outer non-woven layers, middle filter layers and inner non-woven layers, or formed by overlapping and welding 4 layers of breathable non-woven layers, melt-blown cloth filter layers, hot air cotton and inner non-woven layers of skin-friendly non-woven fabrics, wherein the number of the material layers is generally 3-12 layers of materials. The semiconductor laser 1 may employ a direct semiconductor fiber output semiconductor laser. The wavelength range of the semiconductor laser 1 is 900 nm-1000 nm, so that the mask material can be effectively fused and connected without being burnt. The maximum power range of the semiconductor laser 1 is 50W to 1000W. The welding head 3 is one of a common fixed light path welding head, a galvanometer welding head and a beam shaper, and the minimum spot diameter of the calculated output is 0.1 mm-5 mm.
The mask material is firstly placed in a welding fixture to be fixed and compressed, pressure is applied to the welding fixture, the to-be-welded part of the mask material is compressed, and the pressure is continuously applied in the welding process. Then, a corresponding welding assembly is selected, parameters of the mask are set in a control device, the parameters mainly comprise design parameters of the mask and parameters (the number of layers and the thickness) of materials of the mask, and welding parameters such as laser power, welding speed, defocusing amount and welding times of the semiconductor laser 1 and the welding head 3 are obtained and adjusted. And finally, controlling the semiconductor laser 1 and the welding head 3 to operate according to the welding parameters, so that the mask material is tightly attached, fused, connected and fixed together, and the welding of the mask 6 is completed. In the welding process, under the action of the semiconductor laser 1, the mask material generates a large amount of heat, the temperature of the mask material rises sharply to reach a melting state, the melting materials permeate each other under the continuous pressurizing action of the welding fixture, and the materials are gradually cooled and solidified into a joint with certain strength along with the rapid movement of the light beam to the next position to be welded, so that the connection of the mask materials is realized. The welded mask is shown in fig. 5.
In the welding process, a welding track is obtained according to welding parameters. Then the welding head 3 can control the laser beam 4 to stably and rapidly realize various welding tracks, and the welding tracks are regularly arranged and distributed in a welding area according to the requirements of welding breadth and welding seam strength, and can be linear type, curve type or rectangular welding spots and the like.
The mask laser welding device provided by the invention adopts non-contact remote welding, can solve the problems of noise and the like caused by welding, welds parts which are difficult to be approached, controls the semiconductor laser and the welding head to weld the mask material in the welding fixture through the control device, has small damage risk to the material and has more stable product quality. Compared with manual welding and ultrasonic welding mask processes, the mask laser welding device is simpler, more convenient to operate and more accurate to control, can well realize automatic production, and improves production efficiency.
In an embodiment provided by the present invention, as shown in fig. 1, a welding jig includes: a clamp pressing plate 5 and a special clamp 7 which are detachably pressed with each other. The clamp pressing plate 5 is used for being installed at the top of the mask material, and the special clamp 7 is installed at the bottom of the mask material.
In this embodiment, the special fixture 7 is a plate-shaped structure for fixing the mask material, and the mask 6 can position the plurality of layers of mask materials through the plate-shaped structure. And then the multi-layer mask material can be accurately fixed through the clamp pressing plate 5. In addition, the specific configuration of the mask 6 may be modified according to the mask 6 to be processed.
The process of laser welding is performed under a welding fixture, which must effectively fix the position of the workpiece and continuously apply pressure during the welding process. In the process of fixing the mask material, the mask material is firstly clamped by the special clamp 7, after the mask material is placed, the clamp pressing plate 5 is used for applying pressure to the special clamp 7, and the part to be welded of the special clamp 7 is pressed tightly so as to continuously apply pressure in the welding process.
As shown in fig. 2 and 3, the clamp pressing plate 5 may be a metal plate with holes/grooves or a material with high rigidity, and is a light-proof clamp pressing plate, and a plurality of grooves 10 for welding are arranged on the light-proof clamp pressing plate. The slot 10 has a width a and a length b. As shown in fig. 4, the clamp pressing plate 5 may also be made of glass or a transparent clamp pressing plate with good light transmittance, and no groove needs to be formed on the clamp pressing plate 5.
In this embodiment, the welding assembly further includes: a laser transmission fiber 2. The semiconductor laser 1 is electrically connected with the welding head 3 through a laser transmission optical fiber 2. The laser transmission fiber 2 can stably and efficiently transmit laser beams generated by the semiconductor laser 1, and the diameter range of the fiber core is generally 100-600 μm according to actual requirements.
In this embodiment, the welding assembly further includes: a plurality of communication lines 9. The control device 8 is connected with the welding head 3 through a communication line 9 in a communication way, and the control device 8 is connected with the semiconductor laser 1 through another communication line 9 in a communication way. In other embodiments, wireless connection may be used to wirelessly control the welding head 3 and the semiconductor laser 1.
An embodiment of the present invention further provides a method for welding with a mask laser welding apparatus, as shown in fig. 1 to 4, the mask laser welding apparatus including: a welding assembly and a welding fixture. The welding assembly includes: a semiconductor laser 1, a bonding head 3, and a control device 8. The welding fixture is used for clamping the mask material. The welding head 3 is electrically connected with the semiconductor laser 1, and the laser beam 4 of the welding head 3 is positioned at the welding end of the welding fixture. The control device 8 is simultaneously in communication connection with the semiconductor laser 1 and the welding head 3, and the control device 8 is used for adjusting the welding parameters of the semiconductor laser 1 and the welding head 3 according to the design parameters of the mask 6 and the parameters of the mask material, so that the semiconductor laser 1 and the welding head 3 operate according to the welding parameters. For more details, please refer to the text description related to fig. 1 to 4, which is not repeated herein.
As shown in fig. 6, the method includes the steps of:
step S1: and (4) placing the mask material in a welding fixture for fixing and pressing.
Step S2: and selecting a corresponding welding assembly, setting parameters of the mask on the control device, and obtaining welding parameters for adjusting the semiconductor laser and the welding head.
Step S3: and controlling the semiconductor laser and the welding head to operate according to the welding parameters, so that the mask material is tightly attached, fused, connected and fixed together, and the welding of the mask is completed.
Wherein, step S3 further includes: acquiring a welding track according to the welding parameters; and the welding head controls the laser beam to realize the welding track according to the welding track.
Specifically, utilize the in-process of this gauze mask laser welding device processing gauze mask, fix and compress tightly in arranging welding jig with the gauze mask material earlier, exert pressure in welding jig, compress tightly the position of waiting to weld of gauze mask material, continuously exert pressure in the welding process. Then, a corresponding welding assembly is selected, parameters of the mask are set in a control device, the parameters mainly comprise design parameters of the mask and parameters (the number of layers and the thickness) of materials of the mask, and welding parameters such as laser power, welding speed, defocusing amount and welding times of the semiconductor laser 1 and the welding head 3 are obtained and adjusted. And finally, controlling the semiconductor laser 1 and the welding head 3 to operate according to the welding parameters, so that the mask material is tightly attached, fused, connected and fixed together, and the welding of the mask 6 is completed. In the welding process, under the action of the semiconductor laser 1, the mask material generates a large amount of heat, the temperature of the mask material rises sharply to reach a melting state, the melting materials permeate each other under the continuous pressurizing action of the welding fixture, and the materials are gradually cooled and solidified into a joint with certain strength along with the rapid movement of the light beam to the next position to be welded, so that the connection of the mask materials is realized. The welded mask is shown in fig. 5.
In the welding process, a welding track is obtained according to welding parameters. Then the welding head 3 can control the laser beam 4 to stably and rapidly realize various welding tracks, and the welding tracks are regularly arranged and distributed in a welding area according to the requirements of welding breadth and welding seam strength, and can be linear type, curve type or rectangular welding spots and the like.
As shown in fig. 2, 3 and 5, in the process of welding the medical surgical mask. The mask material is an outer non-woven layer, and the middle filter layer and the inner non-woven 3 layers are overlapped and welded. The mask 6 is placed in a special clamp 7 to be compressed, a clamp pressing plate 5 is an aluminum alloy plate with a groove 10 with the size of 1mm multiplied by 2mm, pressure is continuously applied in the welding process, a welding seam 11 on the mask 6 is a rectangular welding spot, and the size is 1mm multiplied by 2 mm. A semiconductor laser 1 with the wavelength of 915nm is selected, a welding head 3 adopts a beam shaper to shape into a strip-shaped light spot, and the diameter of the light spot is 1 mm. In the control device 8, the number of material layers and the thickness are set, laser welding technological parameters are called, the laser power is 60W, the welding speed is 80mm, the defocusing amount is +5mm, and the welding times are 3 times. The welding track is edited by using control software, a program is started for welding, in the welding process, under the action of the semiconductor laser 1, the mask material generates a large amount of heat, the temperature rises sharply, the mask material reaches a molten state, under the continuous pressurizing action of the clamp pressing plate 5, the molten materials permeate each other, and along with the rapid movement of the light beam to the next position to be welded, the materials are gradually cooled and solidified into a joint with certain strength, so that the connection of the mask materials is realized. After welding, the mask is better in material combination, attractive in appearance forming and high in strength.
As shown in fig. 4 and 5, during welding of the KN95 mask. The mask is made of a breathable non-woven fabric layer, a melt-blown fabric filter layer, hot air cotton and 4 layers of skin-friendly non-woven fabric inner layers which are welded in an overlapping mode, the mask 6 is placed in a special clamp 7 to be compressed tightly, a clamp pressing plate 5 is made of glass or a light-transmitting material, pressure is continuously applied in the welding process, and a welding line 11 of the mask 6 is a linear welding line and a curve welding line. The semiconductor laser 1 with the wavelength of 915nm is selected, and the welding head 3 adopts a common fixed light path welding head. In the control device 8, the number of layers and the thickness of the material are set, laser welding technological parameters are called, the laser power is 80W, the welding speed is 100mm/s, the defocusing amount is-3 mm, and the welding frequency is 2 times. The welding track is edited by using control software, a program is started for welding, in the welding process, under the action of the semiconductor laser 1, the mask material generates a large amount of heat, the temperature rises sharply, the mask material reaches a molten state, under the continuous pressurizing action of the clamp pressing plate 5, the molten materials permeate each other, and along with the rapid movement of the light beam to the next position to be welded, the materials are gradually cooled and solidified into a joint with certain strength, so that the connection of the mask materials is realized. After welding, the mask is better in material combination, attractive in appearance forming and high in strength.
In summary, compared with the prior art, the method for welding by using the mask laser welding device provided by the invention can obtain the following beneficial effects:
1. compared with manual welding and ultrasonic welding mask processes, the mask welding device is simpler, more convenient to operate, more accurate to control, and capable of well achieving automatic production, so that production efficiency is improved.
2. The embodiment adopts laser welding, and is wide to material accommodation, and the remote welding of non-contact can weld the position that is difficult to approach, and it is little to cause the damage risk to the material, and product quality is more stable.
3. The embodiment adopts laser welding, can carry out welding at room temperature or under special conditions, and has simple welding equipment. For example, laser light passes through an electromagnetic field, and the light beam does not deviate; the laser can be used for welding in vacuum, air and certain gas environments, and can be used for welding through glass or materials transparent to light beams.
4. The method for welding by adopting the mask laser welding device can solve the problems of noise and the like caused by ultrasonic welding.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A mask laser welding apparatus, comprising:
a welding assembly and a welding fixture;
the welding assembly includes: a semiconductor laser, a welding head and a control device;
the welding fixture is used for clamping mask materials, the welding head is electrically connected with the semiconductor laser, and a laser beam of the welding head is positioned at the welding end of the welding fixture;
the control device is in communication connection with the semiconductor laser and the welding head at the same time and used for adjusting the welding parameters of the semiconductor laser and the welding head according to the parameters of the mask so as to enable the semiconductor laser and the welding head to operate according to the welding parameters.
2. The mask laser welding apparatus according to claim 1, wherein the welding jig comprises: the clamp pressing plate and the special clamp are detachably pressed and connected with each other; the clamp pressing plate is used for being installed at the top of the mask material, and the special clamp is installed at the bottom of the mask material.
3. The mask laser welding apparatus according to claim 2, wherein the jig pressing plate is a light-transmissive jig pressing plate.
4. The mask laser welding device according to claim 2, wherein the clamp pressing plate is an opaque clamp pressing plate, and a plurality of slots for welding are formed in the opaque clamp pressing plate.
5. The mask laser welding apparatus according to claim 1, wherein the welding assembly further comprises:
a laser transmission optical fiber; the semiconductor laser is electrically connected with the welding head through the laser transmission optical fiber.
6. The mask laser welding apparatus according to claim 1, wherein the welding assembly further comprises: a plurality of communication lines;
the control device is in communication connection with the welding head through the communication line, and the control device is in communication connection with the semiconductor laser through the other communication line.
7. The mask laser welding device according to claim 1, wherein the semiconductor laser is a direct semiconductor fiber output semiconductor laser, the wavelength range of the semiconductor laser is 900nm to 1000nm, and the maximum power range of the semiconductor laser is 50W to 1000W; the welding head is one of a common fixed light path welding head, a galvanometer welding head and a beam shaper, and the minimum spot diameter of the calculated and output light is 0.1-5 mm.
8. The mask laser welding device according to claim 1, wherein the mask material is a stack of 3-12 layers.
9. A method for welding by using a mask laser welding device is characterized by comprising the following steps:
placing the mask material in a welding fixture for fixing and pressing;
selecting a corresponding welding assembly, setting parameters of a mask on a control device, and obtaining welding parameters for adjusting a semiconductor laser and a welding head;
and controlling the semiconductor laser and the welding head to operate according to the welding parameters, so that the mask material is tightly attached, fused, connected and fixed together, and the welding of the mask is completed.
10. The method for welding by using a mask laser welding device according to claim 9, wherein the step of controlling the semiconductor laser and the welding head to operate according to welding parameters so that the mask material is closely attached, fused, connected and fixed together comprises the steps of:
acquiring a welding track according to the welding parameters;
and the welding head controls the laser beam to realize the welding track according to the welding track.
CN202010838025.4A 2020-08-19 2020-08-19 Mask laser welding device and method for welding by using same Pending CN112140561A (en)

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JP2016030280A (en) * 2014-07-29 2016-03-07 ｐｈｙｓｉｃａｌ ｐｈｏｔｏｎ 株式会社 Method and apparatus for laser welding of metal foil
CN206589364U (en) * 2017-03-13 2017-10-27 江阴市檬佳非织布制品有限公司 Respirator ear belt bonding machine and its clamp unit

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Publication number Priority date Publication date Assignee Title
CN1266776A (en) * 1999-01-28 2000-09-20 莱斯特加工技术公司 Laser welding method and apparatus for welding plastic workpiece or plastics or other materials
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JP2016030280A (en) * 2014-07-29 2016-03-07 ｐｈｙｓｉｃａｌ ｐｈｏｔｏｎ 株式会社 Method and apparatus for laser welding of metal foil
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