Line source automatic welding device for welding semiconductor laser

Abstract

The invention provides a linear source automatic welding device for semiconductor laser welding, which comprises a welding processing table, a support column, a bottom lining plate, a cooling water tank, a welding main body, a semiconductor laser material constraint table assembly, a welding robot assembly, a welding wire constraint pipe assembly, a control main body box assembly, a welding wire feeder and a support sliding seat, the supporting columns are connected to the four corners of the lower portion of the welding machining table through bolts correspondingly. The bottom lining plate is connected to the supporting columns and the lower portions of the inner sides of the supporting columns through screws. Intelligent control is conducted through the PLC touch screen control box, welding operation is conducted in combination with the intelligent mechanical arm, and the automation degree is improved; a linear source part which needs to be welded and is welded by a semiconductor laser is fixed on the large through hole chuck, angle adjustment of the large through hole chuck is facilitated under the action of the steering motor, the driving shaft and the supporting rotary barrel, and the requirement for simultaneous welding of linear sources of various models is met.

Description

Technical Field

[0001] The invention belongs to the technical field of welding equipment, and in particular relates to a line source automatic welding device for semiconductor laser welding. Background Art

[0002] A semiconductor laser, also known as a laser diode, uses semiconductor materials as the working medium. Due to differences in material structure, the specific process of laser generation is unique to each type. Common working materials include gallium arsenide (GaAs), cadmium sulfide (CdS), indium phosphide (InP), and zinc sulfide (ZnS). Excitation methods include electrical injection, electron beam excitation, and optical pumping. Semiconductor laser devices can be categorized as homojunction, single heterojunction, and double heterojunction. Homojunction lasers and single heterojunction lasers are mostly pulsed devices at room temperature, while double heterojunction lasers can achieve continuous operation at room temperature.

[0003] Semiconductor diode lasers are the most practical and important type of laser. They are compact, have long lifetimes, and can be pumped using simple current injection. Their operating voltage and current are compatible with integrated circuits, allowing for monolithic integration. Furthermore, they can be directly modulated at frequencies up to GHz to achieve high-speed modulated laser output. These advantages have led to their widespread application in laser communications, optical storage, optical gyroscopes, laser printing, rangefinders, and radar.

[0004] However, the existing semiconductor laser equipment used in welding processing still has the problem of low automation and inconvenience in adjusting and adapting to different line source types.

[0005] In view of this, it is very necessary to invent a line source automatic welding device for semiconductor laser welding. Summary of the Invention

[0006] In order to solve the above technical problems, the present invention provides a line source automatic welding device for semiconductor laser welding to solve the problem that the existing semiconductor laser equipment used in processing and welding has a low degree of automation and is not convenient to adjust and apply according to different line source types.

[0007] A line source automatic welding device for semiconductor laser welding, comprising a welding processing table, a support column, a bottom lining plate, a cooling water tank, a welding body, a semiconductor laser material constraint table assembly, a welding robot assembly, a welding wire constraint tube assembly, a control body box assembly, a welding wire feeder and a support sliding seat, wherein the support columns are respectively bolted to the four corners of the lower part of the welding processing table; the bottom lining plate is screwed to the support column and the lower inner position of the support column; the cooling water tank and the welding body are respectively bolted to the left and right sides of the upper part of the bottom lining plate; the semiconductor laser material constraint table assembly is bolted to the upper right position of the welding processing table; the welding robot assembly is bolted to the upper part of the support sliding seat; the welding wire constraint tube assembly is respectively connected to the welding robot assembly and the welding wire feeder; the welding wire feeder is bolted to the upper part of the control body box assembly; the control body box assembly is bolted to the middle position of the upper left part of the welding processing table.

[0008] Preferably, two slide rail grooves are screwed to the middle position of the upper part of the welding processing table, a back plate is bolted to the middle position of the upper rear side of the welding processing table, and telescopic rods are bolted to the left and right sides of the front of the back plate.

[0009] Preferably, the semiconductor laser material constraint platform assembly includes a support seat, a motor support and a steering motor, and the support seat specifically adopts a "U"-shaped stainless steel seat; the motor support is bolted to the lower right side of the support seat; and the steering motor is bolted to the upper part of the support seat.

[0010] Preferably, the output end coupling of the steering motor is connected to a drive shaft, the outer surface of the drive shaft is bolted to a supporting rotary barrel, and the drive shaft is movably embedded in the inner upper side of the support seat.

[0011] Preferably, the upper bolt of the supporting rotary barrel is connected with a large through-hole chuck, and the right screw of the supporting rotary barrel is connected with a sensor.

[0012] Preferably, the welding robot assembly includes a support base, an electric turntable, a steering arm, a steering crank, a control arm and a control wrist shaft. The electric turntable is bolted to the upper middle position of the support base; the steering arm is connected to the upper part of the electric turntable; the steering crank is bolted to the upper part of the steering arm; the control arm is connected to the left side of the steering crank; and the control wrist shaft is connected to the lower side of the top of the control arm.

[0013] Preferably, the welding wire restraint tube assembly includes a steel wire sleeve, a lower clamping ring, an upper clamping ring, a restraining flexible rod and a connecting threaded tube, the lower clamping ring and the upper clamping ring are respectively sleeved on the lower and upper parts of the steel wire sleeve; the restraining flexible rod is screwed to the lower part of the upper clamping ring; the connecting threaded tube is threadedly connected to the left end of the steel wire sleeve.

[0014] Preferably, the control main box assembly includes a PLC touch screen control box, a programmer data interface, a touch screen host, a wireless remote control and a control keyboard. The programmer data interface is embedded in the lower right side of the front of the PLC touch screen control box; the touch screen host is screwed to the middle position of the upper front side of the PLC touch screen control box; the wireless remote control is embedded in the upper left side of the front of the PLC touch screen control box; and the control keyboard is screwed to the lower left side of the front of the PLC touch screen control box.

[0015] Preferably, the output end of the telescopic rod is bolted to the rear side of the support sliding seat; and the support sliding seat is slidably engaged in the slide rail groove.

[0016] Preferably, the lower end of the control wrist shaft is bolted to a welding gun rod.

[0017] Preferably, the support seat is connected to the welding processing table with bolts.

[0018] Preferably, the support base is bolted to the upper portion of the support sliding seat.

[0019] Preferably, the side bolts of the lower clamping ring are connected to the lower outer side of the welding gun rod.

[0020] Preferably, the PLC touch screen control box is bolted to the welding processing table.

[0021] Preferably, the connecting threaded pipe is threadedly connected to the output end of the welding wire feeder.

[0022] Preferably, the cooling water tank, welding body, welding wire feeder, steering motor, sensor, electric turntable, steering arm, steering lever, control arm, control wrist axis, welding gun rod, programmer data interface, wireless remote control and control keyboard are electrically connected to the touch screen host respectively.

[0023] Preferably, the welding robot assembly is integrated with a machine vision positioning system (CCD+AI image processing).

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] The invented line source automatic welding device for semiconductor laser welding uses a PLC touch screen control box for intelligent control and combines an intelligent robotic arm for welding operations, thereby improving the degree of automation; the line source parts of the semiconductor laser welding that need to be welded are fixed on a large through-hole chuck, and the angle of the large through-hole chuck is adjusted under the action of the steering motor, drive shaft and support barrel, meeting the simultaneous welding needs of multiple models of line sources; the welding robot components and sensors can accurately control the welding path, and the welding path repeat positioning accuracy can reach ±5μm, meeting the high-precision requirements of microelectronic packaging; the programmer data interface and touch screen host can adaptively adjust welding parameters (such as real-time feedback control of power and speed), which is suitable for semiconductor devices of different thicknesses / materials, and the changeover time is shortened by 50%. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the present invention.

[0027] Figure 2 It is a schematic diagram of the top structure of the welding processing table of the present invention.

[0028] Figure 3 It is a structural schematic diagram of the semiconductor laser material confinement platform assembly of the present invention.

[0029] Figure 4 It is a structural schematic diagram of the welding robot assembly of the present invention.

[0030] Figure 5 It is a structural schematic diagram of the welding wire restraining tube assembly of the present invention.

[0031] Figure 6 It is a structural schematic diagram of the control main box assembly of the present invention.

[0032] In the picture:

[0033] 1. Welding table; 2. Support column; 3. Bottom lining; 4. Cooling water tank; 5. Welding body; 6. Semiconductor laser material constraint table assembly; 61. Support seat; 62. Motor support; 63. Steering motor; 631. Drive shaft; 632. Support barrel; 6321. Large through-hole chuck; 6322. Sensor; 7. Welding robot assembly; 71. Support base; 72. Electric turntable; 73. Steering arm; 74. Steering lever; 75. Control arm; 76. Control wrist axis; 761, welding gun rod; 8, welding wire restraint tube assembly; 81, steel wire sleeve; 82, lower clamping ring; 83, upper clamping ring; 84, restraining flexible rod; 85, connecting threaded tube; 9, control main box assembly; 91, PLC touch screen control box; 92, programmer data interface; 93, touch screen host; 94, wireless remote control; 95, control keyboard; 10, welding wire feeder; 11, slide rail groove; 12, support plate; 13, telescopic rod; 14, support sliding seat. DETAILED DESCRIPTION

[0034] The present invention will be further described below with reference to the accompanying drawings:

[0035] Example:

[0036] As attached Figure 1 To the attached Figure 2 As shown, the present invention provides a line source automatic welding device for semiconductor laser welding, comprising a welding processing table 1, a support column 2, a bottom lining plate 3, a cooling water tank 4, a welding body 5, a semiconductor laser material constraint table assembly 6, a welding robot assembly 7, a welding wire constraint tube assembly 8, a control body box assembly 9, a welding wire feeder 10 and a support sliding seat 14, wherein the support column 2 is respectively bolted to the four corners of the lower part of the welding processing table 1; the bottom lining plate 3 is screwed to the support column 2 and the inner lower part of the support column 2; the cooling water tank 4 and the welding body 5 are respectively bolted to the bottom lining plate The left and right sides of the upper part of the plate 3; the semiconductor laser material constraint table assembly 6 is bolted to the upper right position of the welding processing table 1; the welding robot assembly 7 is bolted to the upper part of the support sliding seat 14; the welding robot assembly 7 is integrated with a machine vision positioning system (CCD+AI image processing); the welding wire constraint tube assembly 8 is respectively connected to the welding robot assembly 7 and the welding wire feeder 10; the welding wire feeder 10 is bolted to the upper part of the control main box assembly 9; the control main box assembly 9 is bolted to the middle position of the upper left side of the welding processing table 1;

[0037] At the same time, two slide rail grooves 11 are screwed to the middle position of the upper part of the welding processing table 1, a back plate 12 is bolted to the middle position of the upper rear side of the welding processing table 1, and telescopic rods 13 are bolted to the left and right sides of the front of the back plate 12.

[0038] As attached Figure 3 In the above-mentioned embodiment shown, specifically, the semiconductor laser material constraint table assembly 6 includes a support seat 61, a motor support 62 and a steering motor 63, and the support seat 61 specifically adopts a "U"-shaped stainless steel seat; the motor support 62 is bolted to the lower right part of the support seat 61; the steering motor 63 is bolted to the upper part of the support seat 61; the output end coupling of the steering motor 63 is connected to the drive shaft 631, and the outer surface of the drive shaft 631 is bolted to the support barrel 632, and the drive shaft 631 is movably embedded in the inner upper side of the support seat 61; the upper part of the support barrel 632 is bolted to a large through-hole chuck 6321, and the right side of the support barrel 632 is screwed to a sensor 6322.

[0039] As attached Figure 4 In the above-mentioned embodiment shown, specifically, the welding robot assembly 7 includes a support base 71, an electric turntable 72, a steering arm 73, a steering crank 74, a control arm 75 and a control wrist shaft 76. The electric turntable 72 is bolted to the upper middle position of the support base 71; the steering arm 73 is axially connected to the upper part of the electric turntable 72; the steering crank 74 is bolted to the upper part of the steering arm 73; the control arm 75 is axially connected to the left side of the steering crank 74; and the control wrist shaft 76 is axially connected to the lower side of the top of the control arm 75.

[0040] As attached Figure 5 In the above-mentioned embodiment shown, specifically, the welding wire restraint tube assembly 8 includes a steel wire sleeve 81, a lower clamping ring 82, an upper clamping ring 83, a restraining flexible rod 84 and a connecting threaded tube 85, and the lower clamping ring 82 and the upper clamping ring 83 are respectively sleeved on the lower and upper parts of the steel wire sleeve 81; the restraining flexible rod 84 is screwed to the lower part of the upper clamping ring 83; and the connecting threaded tube 85 is threadedly connected to the left end of the steel wire sleeve 81.

[0041] As attached Figure 6 In the above-mentioned embodiment shown, specifically, the control main box assembly 9 includes a PLC touch screen control box 91, a programmer data interface 92, a touch screen host 93, a wireless remote control 94 and a control keyboard 95. The programmer data interface 92 is embedded in the lower right front side of the PLC touch screen control box 91; the touch screen host 93 is screwed to the middle position of the upper front side of the PLC touch screen control box 91; the wireless remote control 94 is embedded in the upper left front side of the PLC touch screen control box 91; and the control keyboard 95 is screwed to the lower left front side of the PLC touch screen control box 91.

[0042] In the above embodiment, specifically, the output end of the telescopic rod 13 is bolted to the rear side of the support sliding seat 14 ; and the support sliding seat 14 is slidably engaged in the slide rail groove 11 .

[0043] In the above embodiment, specifically, the lower end of the control wrist shaft 76 is bolted to the welding gun rod 761 .

[0044] In the above embodiment, specifically, the support seat 61 is connected to the welding processing table 1 by bolts.

[0045] In the above embodiment, specifically, the support base 71 is bolted to the upper portion of the support sliding seat 14 .

[0046] In the above embodiment, specifically, the side bolts of the lower retaining ring 82 are connected to the lower outer side of the welding gun rod 761 .

[0047] In the above embodiment, specifically, the PLC touch screen control box 91 is connected to the welding processing table 1 by bolts; and the connecting threaded tube 85 is connected to the output end of the welding wire feeder 10 by threads.

[0048] In the above embodiment, specifically, the cooling water tank 4, welding body 5, welding wire feeder 10, steering motor 63, sensor 6322, electric turntable 72, steering arm 73, steering lever 74, control arm 75, control wrist axis 76, welding gun rod 761, programmer data interface 92, wireless remote control 94 and control keyboard 95 are electrically connected to the touch screen host 93 respectively.

[0049] In the above embodiment, specifically, the welding body 5 specifically adopts a welding machine of model QW-FW2000; the sensor 6322 specifically adopts a sensor of model NTJN-2; the welding wire feeder 10 specifically adopts a wire feeder of model KR350 / 500; the touch screen host 93 specifically adopts a touch screen with a built-in PLC controller of model OHR-PR20; other electrical equipment are not described here one by one, and can be used in combination according to actual conditions.

[0050] The working process of the present invention is as follows: a PLC touch screen control box 91 is used for intelligent control, and an intelligent robotic arm is used for welding operations, thereby improving the degree of automation; an electric turntable 72, a steering arm 73, a steering crank 74, a control arm 75, a control wrist shaft 76, and a welding gun rod 761 are used to perform intelligent welding on the welding points; the line source parts of the semiconductor laser welding to be welded are fixed on the large through-hole chuck 6321, and the angle of the large through-hole chuck 6321 is adjusted under the action of the steering motor 63, the drive shaft 631 and the support barrel 632, thereby meeting the simultaneous welding needs of various types of line sources; the welding robot assembly 7 and the sensor 6322 can accurately control the welding path, and the repeated positioning accuracy of the welding path can reach ±5μm, meeting the high-precision requirements of microelectronic packaging; the programmer data interface 92 and the touch screen host 93 can adaptively adjust the welding parameters (such as real-time feedback control of power and speed), which is suitable for semiconductor devices of different thicknesses / materials, and the changeover time is shortened by 50%.

[0051] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0052] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A line source automatic welding device for semiconductor laser welding, characterized in that: The line source automatic welding device for semiconductor laser welding comprises a welding processing table (1), a support column (2), a bottom lining plate (3), a cooling water tank (4), a welding body (5), a semiconductor laser material restraint table assembly (6), a welding robot assembly (7), a welding wire restraint pipe assembly (8), a control body box assembly (9), a welding wire feeder (10) and a supporting sliding seat (14), wherein the support column (2) is respectively bolted to the four corners of the lower part of the welding processing table (1); the bottom lining plate (3) is screwed to the support column (2) and the lower inner side of the support column (2); the cooling water tank (4 ) and the welding body (5) are bolted to the left and right sides of the upper part of the bottom lining plate (3) respectively; the semiconductor laser material restraint platform assembly (6) is bolted to the upper right side of the welding processing table (1); the welding robot assembly (7) is bolted to the upper part of the supporting sliding seat (14); the welding wire restraint tube assembly (8) is respectively connected to the welding robot assembly (7) and the welding wire feeder (10); the welding wire feeder (10) is bolted to the upper part of the control body box assembly (9); the control body box assembly (9) is bolted to the middle position of the upper left side of the welding processing table (1).

2. The line source automatic welding device for semiconductor laser welding according to claim 1, characterized in that: The upper middle position of the welding processing table (1) is screw-connected with two slide rail grooves (11), the upper rear middle position of the welding processing table (1) is bolt-connected with a support plate (12), and the front left and right sides of the support plate (12) are bolt-connected with telescopic rods (13).

3. The line source automatic welding device for semiconductor laser welding according to claim 1, characterized in that: The semiconductor laser material constraint platform assembly (6) comprises a support seat (61), a motor support seat (62) and a steering motor (63). The support seat (61) is specifically a "U"-shaped stainless steel seat; the motor support seat (62) is bolted to the lower right side of the support seat (61); and the steering motor (63) is bolted to the upper part of the support seat (61).

4. The line source automatic welding device for semiconductor laser welding according to claim 3, characterized in that: The output end coupling of the steering motor (63) is connected to a driving shaft (631), the outer surface of the driving shaft (631) is bolted to a supporting rotary barrel (632), and the driving shaft (631) is movably embedded in the inner upper side of the support seat (61).

5. The line source automatic welding device for semiconductor laser welding according to claim 4, characterized in that: The upper bolt of the supporting rotary barrel (632) is connected with a large through-hole chuck (6321), and the right screw of the supporting rotary barrel (632) is connected with a sensor (6322).

6. The line source automatic welding device for semiconductor laser welding according to claim 1, characterized in that: The welding robot assembly (7) includes a support base (71), an electric turntable (72), a steering arm (73), a steering crank (74), a control arm (75) and a control wrist shaft (76), wherein the electric turntable (72) is bolted to the middle position of the upper part of the support base (71); the steering arm (73) is axially connected to the upper part of the electric turntable (72); the steering crank (74) is bolted to the upper part of the steering arm (73); the control arm (75) is axially connected to the left side of the steering crank (74); and the control wrist shaft (76) is axially connected to the lower side of the top end of the control arm (75).

7. The line source automatic welding device for semiconductor laser welding according to claim 1, characterized in that: The welding wire restraint tube assembly (8) comprises a steel wire sleeve (81), a lower clamping ring (82), an upper clamping ring (83), a restraining flexible rod (84) and a connecting threaded tube (85), wherein the lower clamping ring (82) and the upper clamping ring (83) are respectively sleeved on the lower and upper parts of the steel wire sleeve (81); the restraining flexible rod (84) is screwed to the lower part of the upper clamping ring (83); and the connecting threaded tube (85) is threadedly connected to the left end of the steel wire sleeve (81).

8. The line source automatic welding device for semiconductor laser welding according to claim 1, characterized in that: The control main box assembly (9) includes a PLC touch screen control box (91), a programmer data interface (92), a touch screen host (93), a wireless remote control (94) and a control keyboard (95), wherein the programmer data interface (92) is embedded in the lower right side of the front of the PLC touch screen control box (91); the touch screen host (93) is screwed to the middle position of the upper front side of the PLC touch screen control box (91); the wireless remote control (94) is embedded in the upper left side of the front of the PLC touch screen control box (91); and the control keyboard (95) is screwed to the lower left side of the front of the PLC touch screen control box (91).

9. The line source automatic welding device for semiconductor laser welding according to claim 1, characterized in that: The output end of the telescopic rod (13) is bolted to the rear side of the support sliding seat (14); the support sliding seat (14) is slidably engaged in the slide rail groove (11).

10. The line source automatic welding device for semiconductor laser welding according to claim 6, characterized in that: The lower end of the control wrist shaft (76) is bolted to a welding gun rod (761).

Images