Laser welding device and method for plastic glasses

Abstract

The invention discloses a laser welding device and method for plastic glasses, and relates to the technical field of glasses accessory machining. According to the laser welding device and method for the plastic glasses, a U-shaped frame is included, a bottom plate is fixedly installed at the bottom of the U-shaped frame, movable wheels are movably installed at the bottom of the bottom plate, a fixing plate is fixedly installed on the outer wall of the U-shaped frame, a clamping groove A is formed in the top of the fixing plate, a base is installed in the clamping groove A in a clamped mode, and a lens is placed at the top of the base. According to the laser welding device and method for the plastic glasses, the surfaces of the nose support and the pile head can be heated through the laser transmitter, the surfaces of the nose support and the pile head can be driven to melt, heat of the surfaces of the nose support and the pile head can also be transmitted to the surfaces of the lenses to melt the surfaces of the lenses, and therefore the nose support and the pile head can be welded to the lenses; compared with glue connection, connection traces cannot be generated, the overall structure is more attractive, and accelerated aging of the connecting position due to solarization and water washing cannot happen.

Description

Technical Field

[0001] The invention relates to the technical field of eyeglass accessories processing, and in particular to a laser welding device and method for plastic eyeglasses. Background Art

[0002] Plastic one-piece glasses are a special type of glasses that combine two lenses into a whole. Because they have no frames and have a beautiful structure, they are loved by the majority of users.

[0003] During the reproduction and processing of plastic glasses on the market, the studs and nose brackets are connected to the plastic glasses by glue. The glue connection will cause glue marks at the connection, affecting the appearance. In addition, during long-term use, the glue will be aged rapidly due to sunlight and water washing, which can easily cause the studs and nose brackets to fall off. Summary of the invention

[0004] The object of the present invention is to provide a laser welding device and method for plastic glasses to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a laser welding device for plastic glasses, comprising a U-shaped frame, a bottom plate fixedly installed at the bottom of the U-shaped frame, a movable wheel movably installed at the bottom of the bottom plate, a fixed plate fixedly installed on the outer wall of the U-shaped frame, a card slot A is provided on the top of the fixed plate, a base is snap-fitted and installed in the card slot A, a lens is placed on the top of the base, a lifting plate is slidably installed on the outer wall of the U-shaped frame, a card slot B is provided at the bottom of the lifting plate, a top seat is snap-fitted and installed in the card slot B, a crossbeam is provided on the inner side of the top of the bottom plate, an electric telescopic rod is provided at the bottom of the crossbeam, a mounting beam is fixedly installed at the free end of the electric telescopic rod, a laser emitter is provided at the bottom of the mounting beam, and a nose bracket and a pile head can be welded to the lens, relative to The glue connection will not produce any connection marks, and the overall structure is more beautiful. In addition, the connection will not be aged rapidly due to sunlight and water washing, which will cause the nose bracket and the pile head to fall off, thereby improving the quality of plastic glasses. The glasses also include a lifting structure installed on the U-shaped frame, the fixed plate, and the lifting plate, which is used to drive the lifting plate and the top seat to move up and down through the lifting structure. A clamping assembly installed on the mounting beam is used to clamp and fix the laser transmitter to the bottom of the mounting beam through the clamping assembly. A longitudinal adjustment structure installed on the crossbeam and the electric telescopic rod is used to drive the laser transmitter to move forward and backward through the longitudinal adjustment structure. A transverse adjustment structure installed on the U-shaped frame and the crossbeam is used to drive the laser transmitter to move left and right through the transverse adjustment structure.

[0006] Preferably, the lifting structure includes a mounting plate, a first motor, a threaded rod, a synchronous wheel and a synchronous belt. The mounting plate is fixedly mounted on an outer wall of one side of the U-shaped frame, the first motor is fixedly mounted on the bottom of the mounting plate, two threaded rods are rotatably mounted on the inner top of the fixed plate and the U-shaped frame, two synchronous wheels are respectively fixedly mounted on the outer walls of the two threaded rods, the synchronous belt is sleeved on the two synchronous wheels, and the synchronous belts are meshed with the two synchronous wheels, the output shaft of the first motor is fixedly mounted on one end of a threaded rod, and is used to drive the top seat to descend, driving the top seat to press the lens, so that the lens is close to the nose bracket and the pile head.

[0007] Preferably, the clamping assembly includes a bidirectional threaded rod, a knob, and a clamping block. A sliding groove is provided at the bottom of the mounting beam. The bidirectional threaded rod is rotatably installed on both sides of the sliding groove. There are two knobs fixedly installed at both ends of the bidirectional threaded rod respectively. There are two clamping blocks, both of which are slidably installed in the sliding groove, and both clamping blocks are threadedly installed on the bidirectional threaded rod. The laser emitter is located between the two clamping blocks, which are used to clamp and fix the laser emitter to the bottom of the mounting beam.

[0008] Preferably, the lateral adjustment structure includes a second motor and a first screw rod. A guide groove A is provided on the inner top of the U-shaped frame. The second motor is fixedly installed on the outer wall of one side of the U-shaped frame. The first screw rod is rotatably installed on both sides of the guide groove A. The output shaft of the second motor is fixedly installed on one end of the first screw rod. The crossbeam is slidably installed in the guide groove A, and the crossbeam is threadedly installed on the first screw rod, so as to drive the laser emitter to move left and right.

[0009] Preferably, the longitudinal adjustment structure includes a third motor, a second screw rod, and a guide block. A guide groove B is provided at the bottom of the crossbeam. The third motor is fixedly installed on the front side of the crossbeam. The second screw rod is rotatably installed on the front and rear sides of the guide groove B. The guide block is slidably installed in the guide groove B, and the guide block is threadedly installed on the second screw rod. The output shaft of the third motor is fixedly installed on one end of the second screw rod, and the electric telescopic rod is fixedly installed on the bottom of the guide block to drive the laser emitter to move forward and backward.

[0010] Preferably, a fixing bolt B is threadedly installed on the bottom of the fixing plate, one end of which contacts the bottom of the base, and a fixing bolt A is threadedly installed on the top of the lifting plate, one end of which contacts the top of the top seat.

[0011] Preferably, eight positioning blocks are arranged on the top of the base, and the lens is located between the eight positioning blocks.

[0012] Preferably, a pile head groove and a nose bracket groove are provided on the top of the base, a pile head is placed in the pile head groove, a nose bracket is placed in the nose bracket groove, and both the nose bracket and the pile head are in contact with the bottom of the lens.

[0013] Preferably, the lifting plate and the top seat are provided with a laser welding opening, and the laser welding opening is located directly above the nose bracket and the pile head.

[0014] A laser welding method for plastic glasses, comprising the following method:

[0015] Step 1: Assembly: Place the laser transmitter at the bottom of the mounting beam, manually twist the knob, the knob drives the bidirectional threaded rod to rotate, the rotation of the bidirectional threaded rod drives the two clamps to move relative to each other, so that the two clamps clamp and fix the laser transmitter, insert the base into the slot A, manually twist the fixing bolt B, drive one end of the fixing bolt B to press the base, so that the base is fixed in the slot A, insert the lifting plate into the slot B, manually twist the fixing bolt A, drive one end of the fixing bolt A to press the top seat, so that the top seat is fixed in the slot A;

[0016] Step 2: Place the nose bracket and the pile head into the nose bracket slot and the pile head slot respectively, place the lens on the top of the nose bracket and the pile head, and locate the lens placement position through the positioning block;

[0017] Step 3, positioning: start the first motor, the output shaft of the first motor drives the threaded rod and the synchronous wheel to rotate, the synchronous wheel passes through the synchronous belt, so that the synchronous wheel can drive another synchronous wheel and the threaded rod to rotate, and the rotation of the two threaded rods can drive the lifting plate and the top seat to descend, so that the top seat can press the lens, and then start the second motor and the third motor, the output shaft of the second motor drives the first screw rod to rotate, the rotation of the first screw rod drives the crossbeam, the electric telescopic rod, the mounting beam, and the laser emitter to move left and right, and change the left and right position of the laser emitter, the output shaft of the third motor drives the second screw rod to rotate, the rotation of the second screw rod drives the guide block, the electric telescopic rod, the mounting beam, and the laser emitter to move forward and backward, and change the front and rear position of the laser emitter, start the electric telescopic rod, and the free end of the electric telescopic rod pushes the mounting beam and the laser emitter downward, so that the laser emitter can move to the laser welding port;

[0018] Step 4, welding: Start the laser transmitter. The laser generated by the laser transmitter will pass through the lens to heat the nose bracket and the pile head, which can drive the surface of the nose bracket and the pile head to melt. The surface heat of the nose bracket and the pile head can also be transferred to the surface of the lens to melt the surface of the lens, achieving synchronous melting. Due to the pressure of the top seat on the lens, the lens is in tight contact with the nose bracket and the pile head, thereby welding the nose bracket and the pile head to the lens.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The laser welding device and method for plastic glasses can heat the surface of the nose bracket and the pile head through a laser emitter, and can drive the surface of the nose bracket and the pile head to melt. The surface heat of the nose bracket and the pile head can also be transferred to the surface of the lens to melt the surface of the lens, so that the nose bracket and the pile head can be welded to the lens. Compared with glue connection, no connection marks will be generated, and the overall structure is more beautiful. Moreover, the connection will not be aged faster due to sun exposure and water washing, causing the nose bracket and the pile head to fall off, thereby improving the quality of plastic glasses. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention is further described below in conjunction with the accompanying drawings and embodiments:

[0022] Figure 1 It is a structural schematic diagram of the present invention;

[0023] Figure 2 for Figure 1 A schematic diagram of the structure on the other side;

[0024] Figure 3 It is a partial cross-sectional view of the U-shaped frame of the present invention;

[0025] Figure 4 It is a structural schematic diagram of the base of the present invention;

[0026] Figure 5 is a cross-sectional view of the crossbeam of the present invention;

[0027] Figure 6 It is a cross-sectional view of the installation beam of the present invention.

[0028] 1. U-shaped frame; 2. bottom plate; 3. movable wheel; 4. fixed plate; 5. base; 6. lifting plate; 7. top seat; 8. lens; 9. positioning block; 10. nose bracket; 11. pile head; 12. fixing bolt A; 13. fixing bolt B; 14. mounting plate; 15. first motor; 16. threaded rod; 17. synchronous wheel; 18. synchronous belt; 19. crossbeam; 20. electric telescopic rod; 21. mounting beam; 22. laser transmitter; 23. second motor; 24. first screw rod; 25. third motor; 26. second screw rod; 27. guide block; 28. two-way threaded rod; 29. ​​knob; 30. clamping block. DETAILED DESCRIPTION

[0029] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0030] See also Figure 1-6The present invention provides a technical solution: a laser welding device for plastic glasses, comprising a U-shaped frame 1, a bottom plate 2 is fixedly installed at the bottom of the U-shaped frame 1, a movable wheel 3 is movably installed at the bottom of the bottom plate 2, a fixed plate 4 is fixedly installed on the outer wall of the U-shaped frame 1, a card slot A is provided on the top of the fixed plate 4, a base 5 is snap-fitted and installed in the card slot A, a lens 8 is placed on the top of the base 5, a lifting plate 6 is slidably installed on the outer wall of the U-shaped frame 1, a card slot B is provided at the bottom of the lifting plate 6, a top seat 7 is snap-fitted and installed in the card slot B, a cross beam 19 is provided on the inner side of the top of the bottom plate 2, an electric telescopic rod 20 is provided at the bottom of the cross beam 19, a mounting beam 21 is fixedly installed at the free end of the electric telescopic rod 20, a laser emitter 22 is provided at the bottom of the mounting beam 21, and a nose bracket and a pile head can be welded to the lens, relative to The glue connection will not produce connection marks, and the overall structure is more beautiful. In addition, the connection will not be aged rapidly due to sunlight and water washing, which will cause the nose bracket and the pile head to fall off, thereby improving the quality of plastic glasses. The glasses also include a lifting structure installed on the U-shaped frame 1, the fixed plate 4, and the lifting plate 6, which is used to drive the lifting plate 6 and the top seat 7 to lift and lower through the lifting structure. A clamping component installed on the mounting beam 21 is used to clamp and fix the laser emitter 22 to the bottom of the mounting beam 21 through the clamping component. A longitudinal adjustment structure installed on the crossbeam 19 and the electric telescopic rod 20 is used to drive the laser emitter 22 to move forward and backward through the longitudinal adjustment structure. A transverse adjustment structure installed on the U-shaped frame 1 and the crossbeam 19 is used to drive the laser emitter 22 to move left and right through the transverse adjustment structure.

[0031] Furthermore, the lifting structure includes a mounting plate 14, a first motor 15, a threaded rod 16, a synchronous wheel 17 and a synchronous belt 18. The mounting plate 14 is fixedly mounted on an outer wall of one side of the U-shaped frame 1, the first motor 15 is fixedly mounted on the bottom of the mounting plate 14, two threaded rods 16 are rotatably mounted on the inner top of the fixing plate 4 and the U-shaped frame 1, two synchronous wheels 17 are respectively fixedly mounted on the outer walls of the two threaded rods 16, the synchronous belt 18 is sleeved on the two synchronous wheels 17, and the synchronous belt 18 is meshed with the two synchronous wheels 17, the output shaft of the first motor 15 is fixedly mounted on one end of a threaded rod 16, and is used to drive the top seat 7 to descend, driving the top seat 7 to press the lens so that the lens is close to the nose bracket and the pile head.

[0032] Furthermore, the clamping assembly includes a bidirectional threaded rod 28, a knob 29, and a clamping block 30. A slide groove is provided at the bottom of the mounting beam 21. The bidirectional threaded rod 28 is rotatably installed on both sides of the slide groove. Two knobs 29 are respectively fixedly installed at both ends of the bidirectional threaded rod 28. Two clamping blocks 30 are both slidably installed in the slide groove, and both clamping blocks 30 are threadedly installed on the bidirectional threaded rod 28. The laser emitter 22 is located between the two clamping blocks 30, which are used to clamp the laser emitter 22 and fix it to the bottom of the mounting beam 21.

[0033] Furthermore, the lateral adjustment structure includes a second motor 23 and a first screw rod 24. A guide groove A is opened on the inner top of the U-shaped frame 1. The second motor 23 is fixedly installed on the outer wall of one side of the U-shaped frame 1. The first screw rod 24 is rotatably installed on both sides of the guide groove A. The output shaft of the second motor 23 is fixedly installed on one end of the first screw rod 24. The crossbeam 19 is slidably installed in the guide groove A, and the crossbeam 19 is threadedly installed on the first screw rod 24, which is used to drive the laser emitter 22 to move left and right.

[0034] Furthermore, the longitudinal adjustment structure includes a third motor 25, a second screw rod 26, and a guide block 27. A guide groove B is provided at the bottom of the crossbeam 19. The third motor 25 is fixedly installed on the front side of the crossbeam 19. The second screw rod 26 is rotatably installed on the front and rear sides of the guide groove B. The guide block 27 is slidably installed in the guide groove B, and the guide block 27 is threadedly installed on the second screw rod 26. The output shaft of the third motor 25 is fixedly installed on one end of the second screw rod 26. The electric telescopic rod 20 is fixedly installed at the bottom of the guide block 27, which is used to drive the laser emitter 22 to move forward and backward.

[0035] Furthermore, a fixing bolt B13 is threadedly installed on the bottom of the fixing plate 4 , one end of which contacts the bottom of the base 5 , and a fixing bolt A12 is threadedly installed on the top of the lifting plate 6 , one end of which contacts the top of the top seat 7 .

[0036] Furthermore, eight positioning blocks 9 are arranged on the top of the base 5 , and the lens 8 is located between the eight positioning blocks 9 .

[0037] Furthermore, a pile head groove and a nose bracket groove are provided on the top of the base 5 , a pile head 11 is placed in the pile head groove, a nose bracket 10 is placed in the nose bracket groove, and both the nose bracket 10 and the pile head 11 are in contact with the bottom of the lens 8 .

[0038] Furthermore, the lifting plate 6 and the top seat 7 are provided with laser welding openings, and the laser welding openings are located directly above the nose bracket 10 and the pile head 11 .

[0039] A laser welding method for plastic glasses, comprising the following method: Step 1, assembly: placing a laser emitter 22 at the bottom of a mounting beam 21, manually twisting a knob 29, the knob 29 drives a bidirectional threaded rod 28 to rotate, the rotation of the bidirectional threaded rod 28 drives two clamping blocks 30 to move relative to each other, so that the two clamping blocks 30 clamp and fix the laser emitter 22, inserting a base 5 into a card slot A, manually twisting a fixing bolt B13, driving one end of the fixing bolt B13 to press against the base 5, thereby fixing the base 5 in the card slot A, inserting a lifting plate 6 into the card slot B, manually twisting a fixing bolt A12, driving one end of the fixing bolt A12 to move relative to the base 5, and fixing the base 5 in the card slot A. The end is squeezed against the top seat 7, so that the top seat 7 is fixed in the card slot A; Step 2, discharge: the nose bracket 10 and the pile head 11 are respectively placed in the nose bracket slot and the pile head slot, and the lens 8 is placed on the top of the nose bracket 10 and the pile head 11, and the lens 8 is positioned by the positioning block 9; Step 3, positioning: start the first motor 15, the output shaft of the first motor 15 drives the threaded rod 16 and the synchronous wheel 17 to rotate, and the synchronous wheel 17 drives another synchronous wheel 17 and the threaded rod 16 to rotate through the synchronous belt 18, and the rotation of the two threaded rods 16 can drive the lifting plate 6 and the top seat 7 to descend, so that the top seat 7 can be pressed with the lens 8, and then the second motor 23 and the third motor 25 are started. The output shaft of the second motor 23 drives the first screw rod 24 to rotate. The rotation of the first screw rod 24 drives the cross beam 19, the electric telescopic rod 20, the mounting beam 21, and the laser emitter 22 to move left and right, and the left and right position of the laser emitter 22 is changed. The output shaft of the third motor 25 drives the second screw rod 26 to rotate. The rotation of the second screw rod 26 drives the guide block 27, the electric telescopic rod 20, the mounting beam 21, and the laser emitter 22 to move forward and backward, and the front and rear position of the laser emitter 22 is changed. The electric telescopic rod 20 is started, and the free end of the electric telescopic rod 20 is aligned with the mounting beam 21. The mounting beam 21 and the laser emitter 22 are pushed downward so that the laser emitter 22 can be moved to the laser welding port; step 4, welding: start the laser emitter 22, and the laser generated by the laser emitter 22 will pass through the lens 8 to heat the nose bracket 10 and the pile head 11, which can drive the surface of the nose bracket 10 and the pile head 11 to melt, and the surface heat of the nose bracket 10 and the pile head 11 can also be transferred to the surface of the lens 8 to melt the surface of the lens 8, realizing synchronous melting. Due to the pressing of the top seat 7 on the lens 8, the lens 8 is in close contact with the nose bracket 10 and the pile head 11, so that the nose bracket 10 and the pile head 11 are welded to the lens 8.

[0040] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A laser welding device for plastic glasses, comprising a U-shaped frame (1), a bottom plate (2) is fixedly mounted on the bottom of the U-shaped frame (1), a movable wheel (3) is movably mounted on the bottom of the bottom plate (2), a fixed plate (4) is fixedly mounted on the outer wall of the U-shaped frame (1), a slot A is provided on the top of the fixed plate (4), a base (5) is snap-fitted and mounted in the slot A, a lens (8) is placed on the top of the base (5), a lifting plate (6) is slidably mounted on the outer wall of the U-shaped frame (1), a slot B is provided on the bottom of the lifting plate (6), a top seat (7) is snap-fitted and mounted in the slot B, a crossbeam (19) is arranged on the inner side of the top of the bottom plate (2), an electric telescopic rod (20) is arranged at the bottom of the crossbeam (19), a mounting beam (21) is fixedly mounted on the free end of the electric telescopic rod (20), a laser emitter (22) is arranged at the bottom of the mounting beam (21), and the characteristic is that: Also includes: A lifting structure installed on the U-shaped frame (1), the fixed plate (4) and the lifting plate (6), and used to drive the lifting plate (6) and the top seat (7) to move up and down through the lifting structure; A clamping assembly mounted on the mounting beam (21), used to clamp and fix the laser emitter (22) to the bottom of the mounting beam (21); A longitudinal adjustment structure installed on the crossbeam (19) and the electric telescopic rod (20), used to drive the laser emitter (22) to move forward and backward through the longitudinal adjustment structure; A transverse adjustment structure installed on the U-shaped frame (1) and the crossbeam (19) is used to drive the laser emitter (22) to move left and right through the transverse adjustment structure.

2. A laser welding device for plastic glasses according to claim 1, characterized in that: The lifting structure comprises a mounting plate (14), a first motor (15), a threaded rod (16), a synchronous wheel (17) and a synchronous belt (18); the mounting plate (14) is fixedly mounted on an outer wall of one side of the U-shaped frame (1); the first motor (15) is fixedly mounted on the bottom of the mounting plate (14); two threaded rods (16) are rotatably mounted on the inner top of the fixing plate (4) and the U-shaped frame (1); two synchronous wheels (17) are respectively fixedly mounted on the outer walls of the two threaded rods (16); the synchronous belt (18) is sleeved on the two synchronous wheels (17), and the synchronous belt (18) is meshed with the two synchronous wheels (17); and the output shaft of the first motor (15) is fixedly mounted on one end of a threaded rod (16).

3. A laser welding device for plastic glasses according to claim 2, characterized in that: The clamping assembly comprises a bidirectional threaded rod (28), a knob (29), and a clamping block (30). A sliding groove is provided at the bottom of the mounting beam (21). The bidirectional threaded rod (28) is rotatably mounted on both sides of the sliding groove. Two knobs (29) are respectively fixedly mounted on both ends of the bidirectional threaded rod (28). Two clamping blocks (30) are slidably mounted in the sliding groove. Both clamping blocks (30) are threadedly mounted on the bidirectional threaded rod (28). The laser emitter (22) is located between the two clamping blocks (30).

4. The laser welding device for plastic glasses according to claim 3, characterized in that: The lateral adjustment structure comprises a second motor (23) and a first screw rod (24); a guide groove A is provided on the inner top of the U-shaped frame (1); the second motor (23) is fixedly mounted on an outer wall of one side of the U-shaped frame (1); the first screw rod (24) is rotatably mounted on both sides of the guide groove A; the output shaft of the second motor (23) is fixedly mounted on one end of the first screw rod (24); a crossbeam (19) is slidably mounted in the guide groove A, and the crossbeam (19) is threadedly mounted on the first screw rod (24).

5. The laser welding device for plastic glasses according to claim 4, characterized in that: The longitudinal adjustment structure comprises a third motor (25), a second screw rod (26), and a guide block (27); a guide groove B is provided at the bottom of the cross beam (19); the third motor (25) is fixedly mounted on the front side of the cross beam (19); the second screw rod (26) is rotatably mounted on the front and rear sides of the guide groove B; the guide block (27) is slidably mounted in the guide groove B; and the guide block (27) is threadedly mounted on the second screw rod (26); the output shaft of the third motor (25) is fixedly mounted on one end of the second screw rod (26); and the electric telescopic rod (20) is fixedly mounted on the bottom of the guide block (27).

6. The laser welding device for plastic glasses according to claim 5, characterized in that: The bottom thread of the fixing plate (4) is threadedly mounted with a fixing bolt B (13), one end of which is in contact with the bottom of the base (5); the top thread of the lifting plate (6) is threadedly mounted with a fixing bolt A (12), one end of which is in contact with the top of the top seat (7).

7. A laser welding device for plastic glasses according to claim 6, characterized in that: Eight positioning blocks (9) are arranged on the top of the base (5), and the lens (8) is located between the eight positioning blocks (9).

8. The laser welding device for plastic glasses according to claim 7, characterized in that: The top of the base (5) is provided with a pile head groove and a nose bracket groove, a pile head (11) is placed in the pile head groove, a nose bracket (10) is placed in the nose bracket groove, and both the nose bracket (10) and the pile head (11) are in contact with the bottom of the lens (8).

9. A laser welding device for plastic glasses according to claim 8, characterized in that: The lifting plate (6) and the top seat (7) are provided with laser welding openings, and the laser welding openings are located directly above the nose bracket (10) and the pile head (11).

10. A laser welding method for plastic glasses, characterized in that: The following methods are included: Step 1, assembly: Place the laser transmitter (22) at the bottom of the mounting beam (21), manually twist the knob (29), the knob (29) drives the bidirectional threaded rod (28) to rotate, the rotation of the bidirectional threaded rod (28) drives the two clamping blocks (30) to move relative to each other, so that the two clamping blocks (30) clamp and fix the laser transmitter (22), insert the base (5) into the slot A, manually twist the fixing bolt B (13), drive one end of the fixing bolt B (13) to press against the base (5), thereby fixing the base (5) in the slot A, insert the lifting plate (6) into the slot B, manually twist the fixing bolt A (12), drive one end of the fixing bolt A (12) to press against the top seat (7), thereby fixing the top seat (7) in the slot A; Step 2, placing the material: placing the nose bracket (10) and the pile head (11) into the nose bracket groove and the pile head groove respectively, placing the lens (8) on the top of the nose bracket (10) and the pile head (11), and positioning the placement position of the lens (8) by the positioning block (9); Step 3, positioning: start the first motor (15), the output shaft of the first motor (15) drives the threaded rod (16) and the synchronous wheel (17) to rotate, the synchronous wheel (17) is driven by the synchronous belt (18), so that the synchronous wheel (17) can drive another synchronous wheel (17) and the threaded rod (16) to rotate, and the rotation of the two threaded rods (16) can drive the lifting plate (6) and the top seat (7) to descend, so that the top seat (7) can press the lens (8), and then start the second motor (23) and the third motor (25), the output shaft of the second motor (23) drives the first screw rod (24) to rotate, and the rotation of the first screw rod (24) drives the cross beam (19), the electric telescopic rod (20), the mounting beam (21), and the laser emitter (22) move left and right to change the left and right position of the laser emitter (22); the output shaft of the third motor (25) drives the second screw rod (26) to rotate; the rotation of the second screw rod (26) drives the guide block (27), the electric telescopic rod (20), the mounting beam (21), and the laser emitter (22) to move forward and backward to change the front and rear position of the laser emitter (22); the electric telescopic rod (20) is started; the free end of the electric telescopic rod (20) pushes the mounting beam (21) and the laser emitter (22) downward, so that the laser emitter (22) can move to the laser welding port; Step 4, welding: Start the laser emitter (22). The laser generated by the laser emitter (22) will pass through the lens (8) to heat the nose bracket (10) and the pile head (11), which can drive the surface of the nose bracket (10) and the pile head (11) to melt. The surface heat of the nose bracket (10) and the pile head (11) can also be transferred to the surface of the lens (8) to melt the surface of the lens (8), thereby achieving synchronous melting. Due to the pressing of the top seat (7) on the lens (8), the lens (8) is in close contact with the nose bracket (10) and the pile head (11), so that the nose bracket (10) and the pile head (11) are welded to the lens (8).

Images