Welding equipment for mounting electronic components of automobile instrument panel

Abstract

The utility model provides welding equipment for mounting electronic components of an automobile instrument panel, which relates to the technical field of welding and comprises an equipment shell serving as an equipment frame, equipment side plates are arranged on two sides of the equipment shell, and a spot welding component for spot welding of solder balls is arranged at the upper end of the equipment shell. Two dial plate circuit board welding tracks used for fixing a circuit board are arranged at the front end of the equipment shell, two dustproof door slide ways are arranged at the front end of the equipment shell and located above the two dial plate circuit board welding tracks, and two dustproof doors are arranged in the two dustproof door slide ways in a sliding mode; a dustproof door of equipment is opened, a circuit board is placed on the dial plate circuit board welding track, the dial plate circuit board welding track is controlled by the control screen to convey the circuit board to the lower end of the spot welding assembly, spot welding ball mounting is carried out after scanning positioning, and mechanism spot welding is carried out through the spot welding assembly, so that the efficiency is high; and the careless mistakes can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field, concretely is a kind of welding equipment for automobile instrument panel electronic component installation. BACKGROUND

[0002] PCB board, PCB, PCB welding technology in recent years electronic industry process development course, can notice a very obvious trend is reflow soldering technology. In principle, traditional plug-in component can also use reflow soldering process, this is usually called general reflow soldering. Its advantage is possible to complete all solder joints in the same time, to minimize production cost. However, temperature-sensitive components limit the application of reflow soldering, whether plug-in component or SMD, then people turn their attention to selective soldering. In most applications, selective soldering can be used after reflow soldering. This will become an economical and effective method to complete the welding of remaining plug-in components, and is fully compatible with future lead-free soldering.

[0003] And now in the automobile instrument panel, due to the upgrading of the car machine system, the dial is replaced by a whole piece of electronic screen, and the tin points needed to be welded on the screen circuit board and car machine circuit board installed inside, due to the intelligentization of the car machine tuning, the circuit board of the system car machine is no longer suitable for manual spot welding, which is easy to cause welding leakage. SUMMARY

[0004] In view of the defects of the prior art, the utility model provides a kind of welding equipment for automobile instrument panel electronic component installation, solve the problem that now in the automobile instrument panel, due to the upgrading of the car machine system, the dial is replaced by a whole piece of electronic screen, and the tin points needed to be welded on the screen circuit board and car machine circuit board installed inside, due to the intelligentization of the car machine tuning, the circuit board of the system car machine is no longer suitable for manual spot welding, which is easy to cause welding leakage.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of welding equipment for automobile instrument panel electronic component installation, including as equipment frame equipment shell, equipment shell both sides are provided with equipment side plate, the spot welding assembly for spot welding tin ball is set on the equipment shell upper end, the dial circuit board welding track for fixing circuit board is set on the equipment shell front end, two dustproof door slide ways are set on the equipment shell front end and above two dial circuit board welding track, two dustproof doors are slidably arranged in two dustproof door slide ways.

[0006] As preferred, the equipment shell is provided with two observation windows above the spot welding assembly and in front of the spot welding assembly, and a plurality of supporting legs are fixedly installed on the lower end of the equipment shell.

[0007] One of the equipment side plate outer surface is fixedly installed with a control screen support arm, and the front end of the control screen support arm is fixedly installed with a control screen.

[0008] As preferred, the spot welding assembly comprises a first electric sliding rail side plate, a first electric sliding rail, a spot welding rail car, a laser welding machine, a tin ball transfer assembly, an infrared scanning machine and a scanning frame.

[0009] Two first electric sliding rail side plates are fixedly installed on the inner walls of the two equipment side plates, two first electric sliding rails are fixedly installed between the two first electric sliding rail side plates, and a spot welding rail car is slidably arranged on the two first electric sliding rails.

[0010] One of the spot welding rail cars is fixedly installed with a laser welding machine, and a tin ball transfer assembly for transferring tin balls one by one is fixedly installed at the lower end of the laser welding machine. The other spot welding rail car is fixedly installed with an infrared scanning machine, and a scanning frame is arranged at the lower end of the infrared scanning machine.

[0011] As preferred, the two first electric sliding rails are electrically connected with the control screen.

[0012] As preferred, the tin ball transfer assembly comprises a transfer assembly shell, a tin ball disc, a connecting steel pipe, a tin ball feeding pipe, a feeding pipe cap, a laser lens barrel, a tin ball cavity, a driving motor, a transfer rotating shaft, a transfer rotating disc, a transfer tin ball hole, a spacing bottom disc, a spacing leakage hole, a tin ball discharging hole, a laser tube hole and a spot welding head.

[0013] The lower end of the laser welding machine is fixedly installed with a transfer assembly shell, and the inner wall of the transfer assembly shell is fixedly installed with a tin ball disc at the lower end. The tin ball disc is fixedly installed with a connecting steel pipe, a tin ball feeding pipe and a laser lens barrel at the upper end.

[0014] The upper end of the tin ball feeding pipe is provided with a feeding pipe cap.

[0015] The tin ball disc is provided with a tin ball cavity inside and below the tin ball feeding pipe. A tin ball discharging hole is formed on one side of the tin ball cavity. A transfer rotating shaft is rotatably arranged at the upper end of the tin ball discharging hole. A transfer rotating disc is fixedly and integrally arranged on the lower end side of the transfer rotating shaft. A plurality of transfer tin ball holes are formed on the transfer rotating disc at equal intervals.

[0016] The inner wall of the tin ball discharging hole at the upper end and below the transfer rotating disc is integrally provided with a spacing bottom disc. A spacing leakage hole is formed at the end of the spacing bottom disc away from the tin ball cavity.

[0017] The tin ball disc is fixedly installed with a driving motor at the upper end. A laser tube hole is formed on the tin ball disc above the laser lens barrel. A spot welding head is arranged at the lower end of the tin ball disc below the lower end of the laser tube hole.

[0018] The output shaft of the driving motor is coaxially fixedly connected with the rotating shaft, and the tin ball discharging hole is communicated with the laser tube hole.

[0019] Preferably, the dial circuit board welding track comprises a second electric sliding rail, a support top plate, a sliding trolley, a circuit board fixing plate and a circuit board fixing member.

[0020] The second electric sliding rail is fixedly installed in the equipment shell, and a support top plate is arranged between the two ends of the second electric sliding rail.

[0021] Preferably, the circuit board fixing plate is located above the support top plate.

[0022] Preferably, the circuit board fixing member comprises a fixing member base, a spreading rotary disc, a spiral thread, a cross slide, an adjusting sliding block, a circuit board fixing plate and a clamping spring.

[0023] The fixing member base is fixedly installed on the circuit board fixing plate, the cross slide is fixedly installed at the upper end of the fixing member base, four adjusting sliding blocks are slidably arranged in the cross slide, the circuit board fixing plate is integrally arranged at the upper end of each adjusting sliding block, and the clamping spring is arranged at the rear end of each adjusting sliding block.

[0024] The spreading rotary disc is rotatably arranged on the fixing member base, and the spiral thread is arranged at the upper end of the spreading rotary disc.

[0025] Preferably, the lower end of each adjusting sliding block is arranged in the gap of the spiral thread.

[0026] The utility model provides a kind of welding equipment for electronic component installation of automobile instrument panel.It has the following beneficial effects:

[0027] The present application is based on the above background technology, which is now in the automobile instrument panel, due to the upgrading of the car machine system, the dial is replaced by a whole electronic screen, and the tin points needed for welding the screen circuit board and the car machine circuit board installed inside are caused by the intelligentization of the current car machine tuning, so that the circuit board of the system car machine is no longer suitable for manual spot welding, which can easily cause the problem of welding leakage, the dustproof door of the equipment is opened, and the circuit board is placed on the dial circuit board welding track, the circuit board is transported to the lower end of the spot welding assembly by controlling the screen to control the dial circuit board welding track, after scanning and positioning, spot welding is carried out, and the spot welding assembly is used to carry out spot welding, which not only has high efficiency, but also reduces the occurrence of leakage.

[0028] Wherein, through two first electric slide in spot welding assembly, can control laser welding machine and infrared scanning machine alternately, the circuit board on the lower two dial circuit board welding track upper end is scanned and spot welded, through scanning frame first scanning, the hole position on the circuit board is positioned, so that the other side control laser welding machine lower end ball transfer assembly can be conveniently planted ball spot welding;

[0029] Wherein, through the tin ball feeding pipe on the upper end of the tin ball transfer assembly, by opening the feeding pipe cap on the upper end, tin balls can be added, and the tin balls enter the tin ball cavity. When the tin balls enter the transfer tin ball hole on the transfer rotating disc, the upper end driving motor drives the transfer rotating shaft to rotate. When the tin balls in the transfer rotating disc rotate to the interval leakage hole on the interval base plate, they fall into the tin ball discharge hole and enter the laser tube hole, and are clamped at the bottom of the spot welding head. The laser welding machine is started, the tin balls are heated and liquefied, so that they drop into the hole position and complete spot welding.

[0030] Wherein, through the second electric slide in dial circuit board welding track, the sliding trolley can be driven to move, so that the spot welding of the circuit board can be facilitated;

[0031] Wherein, through the rotation of the expansion rotating disc in the circuit board fixing part, the adjusting slider in the gap is driven to move outward by the vortex thread on the upper end, and the clamping spring is extruded. When the upper end circuit board feeding plate is opened to a certain extent, the expansion rotating disc is loosened. Due to the reaction force of the clamping spring, the circuit board can be effectively clamped and fixed. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is the overall structure schematic view of the utility model;

[0033] Figure 2 It is the structure schematic view of spot welding assembly in the utility model;

[0034] Figure 3 It is another view structure schematic view of spot welding assembly in the utility model;

[0035] Figure 4 It is the structure schematic view of tin ball transfer assembly in the utility model;

[0036] Figure 5 It is the side view structure schematic view of tin ball transfer assembly in the utility model;

[0037] Figure 6 It is the utility model Figure 5 The cross-sectional structure schematic view of a-a in the utility model;

[0038] Figure 7 It is the utility model Figure 6 The enlarged structure schematic view of A in the utility model;

[0039] Figure 8 It is the front view schematic view of the tin ball transfer assembly in the utility model;

[0040] Figure 9 It is the sectional structure schematic view of b-b line in the utility model Figure 8

[0041] Figure 10 It is the structure schematic view of the dial circuit board welding track in the utility model;

[0042] Figure 11 It is the structure schematic view of the circuit board fixing piece in the utility model;

[0043] Figure 12 It is the side view structure schematic view of the circuit board fixing piece in the utility model;

[0044] Figure 13 It is the sectional structure schematic view of c-c line in the utility model Figure 12

[0045] 1, equipment shell; 2, equipment side plate; 3, spot welding assembly; 301, first electric sliding rail side plate; 302, first electric sliding rail; 303, spot welding track car; 304, laser welding machine; 305, tin ball transfer assembly; 3051, transfer assembly shell; 3052, tin ball tray; 3053, connecting steel pipe; 3054, tin ball feeding pipe; 3055, feeding pipe cap; 3056, laser lens barrel; 3057, tin ball cavity; 3058, driving motor; 3059, transfer rotating shaft; 30510, transfer turntable; 30511, transfer tin ball hole; 30512, interval bottom disc; 30513, interval leakage hole; 30514, tin ball discharging hole; 30515, laser pipe hole; 30516, spot welding head; 306, infrared scanning machine; 307, scanning frame; 4, dial circuit board welding track; 401, second electric sliding rail; 402, support top plate; 403, sliding trolley; 404, circuit board fixing plate; 405, circuit board fixing piece; 4051, fixing piece base; 4052, propelling turntable; 4053, vortex thread; 4054, cross slide; 4055, adjusting sliding block; 4056, circuit board adding plate; 4057, clamping spring; 5, dustproof door sliding rail; 6, dustproof door; 7, observation window; 8, control screen support arm; 9, control screen; 10, support foot. DETAILED DESCRIPTION

[0046] ​​Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0047] As shown in Figure 1 The utility model discloses an automobile instrument panel electronic component mounting welding equipment, including the equipment shell 1 as the equipment frame, equipment side plate 2 is arranged to the both sides of equipment shell 1, the spot welding assembly 3 for spot welding tin ball is set up on the upper end of equipment shell 1, two dial circuit board welding tracks 4 for fixing circuit board are set up on the front end of equipment shell 1, two dustproof door slide 5 are set up on the front end of equipment shell 1 and above two dial circuit board welding tracks 4, two dustproof doors 6 are slidably arranged in two dustproof door slide 5, two observation windows 7 are set up on the upper end of equipment shell 1 and before spot welding assembly 3, a plurality of support feet 10 are fixedly installed on the lower end of equipment shell 1, one equipment side plate 2 is fixedly installed on the outer surface of control screen support arm 8, and control screen 9 is fixedly installed on the front end of control screen support arm 8.

[0048] Through the above technical scheme, by opening the dustproof door 6 of the equipment, and placing the circuit board on the dial circuit board welding track 4, the circuit board is transported to the lower end of the spot welding assembly 3 by the dial circuit board welding track 4 controlled by the control screen 9, and after scanning and positioning, spot welding is carried out. The above-mentioned spot welding assembly 3 carries out mechanism spot welding, which not only has high efficiency, but also reduces the occurrence of defects.

[0049] As shown in Figures 2-3 The spot welding assembly 3 comprises a first electric sliding rail side plate 301, a first electric sliding rail 302, a spot welding rail car 303, a laser welding machine 304, a tin ball transfer assembly 305, an infrared scanning machine 306 and a scanning frame 307. The first electric sliding rail side plate 301 is fixedly installed on the inner wall of the two equipment side plates 2. The two first electric sliding rail side plates 301 are fixedly installed with two first electric sliding rails 302 therebetween. The spot welding rail car 303 is slidably arranged on the two first electric sliding rails 302. The laser welding machine 304 is fixedly installed on one of the spot welding rail cars 303. The tin ball transfer assembly 305 is fixedly installed at the lower end of the laser welding machine 304 for transferring the tin balls one by one. The infrared scanning machine 306 is fixedly installed on the other spot welding rail car 303. The scanning frame 307 is arranged at the lower end of the infrared scanning machine 306. The two first electric sliding rails 302 are electrically connected with the control screen 9.

[0050] Through the above technical solution, the two first electric slides 302 in the spot welding component 3 can alternately control the laser welding machine 304 and the infrared scanner 306 to scan and spot weld the circuit boards at the upper ends of the two dial circuit board welding tracks 4 below. The scanning frame 307 is used to first scan and locate the holes on the circuit board, so that the solder ball transfer component 305 at the lower end of the laser welding machine 304 on the other side can be controlled to perform ball planting and spot welding.

[0051] like Figures 4-9 As shown, the solder ball transfer assembly 305 includes: a transfer assembly housing 3051, a solder ball tray 3052, a connecting steel pipe 3053, a solder ball feeding pipe 3054, a feeding pipe cap 3055, a laser lens barrel 3056, a solder ball cavity 3057, a drive motor 3058, a transfer rotating shaft 3059, a transfer turntable 30510, a transfer solder ball hole 30511, a spacing chassis 30512, a spacing leak hole 30513, a solder ball discharge hole 30514, a laser tube hole 30515 and a spot welding head 30516; The lower end of the laser welding machine 304 is fixedly mounted with a transfer component housing 3051, the lower end of the inner wall of the transfer component housing 3051 is fixedly mounted with a tin ball tray 3052, the upper end of the tin ball tray 3052 is fixedly mounted with a connecting steel pipe 3053, a tin ball feeding pipe 3054 and a laser lens barrel 3056; the upper end of the tin ball feeding pipe 3054 is provided with a feeding pipe cap 3055; a tin ball cavity 3057 is provided in the tin ball tray 3052 and below the tin ball feeding pipe 3054, and one side of the tin ball cavity 3057 A solder ball discharge hole 30514 is provided, and a transfer rotating shaft 3059 is rotatably provided on the upper end of the solder ball discharge hole 30514. A transfer rotating disk 30510 is fixedly and integrally provided on the lower end side of the transfer rotating shaft 3059. A plurality of transfer solder ball holes 30511 are provided on the transfer rotating disk 30510 at equal intervals. A spacer chassis 30512 is integrally provided on the inner wall of the upper end of the solder ball discharge hole 30514 and located below the transfer rotating disk 30510. The spacer chassis 30512 is away from the solder ball cavity 3 A spacer leak hole 30513 is provided at one end of 057; a drive motor 3058 is fixedly installed on the upper end of the solder ball tray 3052, a laser tube hole 30515 is provided on the solder ball tray 3052 and below the laser lens barrel 3056, a spot welding head 30516 is provided at the lower end of the solder ball tray 3052 and below the laser tube hole 30515, the output shaft of the drive motor 3058 is coaxially fixedly connected to the transfer rotating shaft 3059, and the solder ball discharge hole 30514 is connected to the laser tube hole 30515.

[0052] Through the technical scheme, the tin balls are added into the tin ball feeding pipe 3054 on the upper end of the tin ball transfer assembly 305 by opening the feeding pipe cap 3055 on the upper end of the tin ball feeding pipe 3054, and the tin balls enter the tin ball cavity 3057, when the tin balls enter the transfer tin ball holes 30511 on the transfer rotating disc 30510, the transfer rotating shaft 3059 is driven to rotate by the driving motor 3058 on the upper end, when the tin balls in the transfer rotating shaft 3059 rotate to the interval leakage holes 30513 on the interval bottom disc 30512, the tin balls fall into the tin ball discharging hole 30514, and then enter the laser tube hole 30515, and are clamped at the bottom port of the spot welding head 30516, the laser welding machine 304 is started, the tin balls are heated to be liquefied, and then drop on the hole position, and spot welding is completed.

[0053] As shown in Figure 10 The dial circuit board welding rail 4 comprises a second electric sliding rail 401, a support top plate 402, a sliding trolley 403, a circuit board fixing plate 404 and a circuit board fixing piece 405. The second electric sliding rail 401 is fixedly installed in the equipment shell 1, the support top plate 402 is arranged between the two ends of the second electric sliding rail 401, the sliding trolley 403 is slidably arranged on the second electric sliding rail 401, the circuit board fixing plate 404 is fixedly installed on the sliding trolley 403, the two circuit board fixing pieces 405 are fixedly installed on the circuit board fixing plate 404, and the circuit board fixing plate 404 is located above the support top plate 402.

[0054] Through the technical scheme, the second electric sliding rail 401 in the dial circuit board welding rail 4 can drive the sliding trolley 403 to move, so that spot welding processing of the circuit board can be facilitated.

[0055] As shown in Figures 11-13 The circuit board fixing piece 405 comprises a fixing piece base 4051, a stretching turntable 4052, a vortex thread 4053, a cross slide 4054, an adjusting sliding block 4055, a circuit board adding plate 4056 and a clamping spring 4057. The fixing piece base 4051 is fixedly installed on the circuit board fixing plate 404, the cross slide 4054 is fixedly installed at the upper end of the fixing piece base 4051, the four adjusting sliding blocks 4055 are slidably arranged in the cross slide 4054, the circuit board adding plate 4056 is integrally arranged at the upper end of each adjusting sliding block 4055, and the clamping spring 4057 is arranged at the rear end of each adjusting sliding block 4055. The stretching turntable 4052 is rotatably arranged on the fixing piece base 4051, the vortex thread 4053 is arranged at the upper end of the stretching turntable 4052, and the lower end of each adjusting sliding block 4055 is arranged in the gap of the vortex thread 4053.

[0056] Through the technical scheme, the supporting turntable 4052 in the circuit board fixing piece 405 is rotated, the adjusting sliding block 4055 in the gap is driven to move outward through the vortex thread 4053 at the upper end, the clamping spring 4057 is squeezed, when the upper circuit board adding plate 4056 is opened to a certain degree, the supporting turntable 4052 is loosened, and the circuit board can be effectively clamped and fixed due to the reaction force of the clamping spring 4057.

[0057] Working principle:

[0058] The dustproof door 6 of the equipment is opened, the circuit board is placed on the dial circuit board welding track 4, the dial circuit board welding track 4 is controlled by the control screen 9 to transport the circuit board to the lower end of the spot welding assembly 3, after scanning and positioning, spot welding is carried out, and the spot welding assembly 3 is used for mechanism spot welding, so that the efficiency is high, and the defect is reduced.

[0059] The two first electric slides 302 in the spot welding assembly 3 can alternately control the laser welding machine 304 and the infrared scanning machine 306 to scan and spot weld the circuit board at the upper end of the two dial circuit board welding tracks 4 below, the scanning frame 307 is used for scanning to position the hole position on the circuit board, so that the tin ball transfer assembly 305 at the lower end of the laser welding machine 304 on the other side can be conveniently controlled to carry out ball planting and spot welding.

[0060] The tin ball feeding pipe 3054 at the upper end of the tin ball transfer assembly 305 is used for opening the pipe cap 3055 at the upper end to add tin balls, and the tin balls enter the tin ball cavity 3057, when the tin balls enter the transfer tin ball hole 30511 on the transfer rotating disc 30510, the driving motor 3058 at the upper end drives the transfer rotating shaft 3059 to rotate, when the tin balls in the transfer tin ball hole 30511 rotate to the interval leak hole 30513 on the interval bottom disc 30512, the tin balls fall into the tin ball discharging hole 30514, and then enter the laser pipe hole 30515, and are clamped at the bottom port part of the spot welding head 30516, the laser welding machine 304 is started, the tin balls are heated to be liquefied, and then drop on the hole position to complete spot welding.

[0061] The second electric slide 401 in the dial circuit board welding track 4 can drive the sliding trolley 403 to move, so that the spot welding of the circuit board is facilitated.

[0062] Wherein, through the circuit board fixing spare 405 in the open turntable 4052 rotation, through its upper end vortex thread 4053 drive its gap inside the adjusting slider 4055 to move outward, extrude clamping spring 4057, when the upper end of the circuit board plus plate 4056 open to a certain degree, open the open turntable 4052, due to the clamping spring 4057's counterforce, can effectively clamping fixed circuit board.

[0063] Obviously, the above embodiments of the utility model are merely for clearly illustrating the utility model and are not a limitation on the embodiments of the utility model, and for ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can be made, here cannot be exhausted all the embodiments, all belong to the utility model's technical scheme of the utility model's protection scope still in the list of obvious changes or variations.

Claims

1. A welding apparatus for mounting electronic components of an automobile instrument panel, comprising an apparatus housing (1) as an apparatus frame, characterized by: The equipment shell (1) is provided with equipment side plates (2) on both sides, the upper end of the equipment shell (1) is provided with a spot welding assembly (3) for spot welding tin balls, the front end of the equipment shell (1) is provided with two dial circuit board welding tracks (4) for fixing circuit boards, two dustproof door sliding channels (5) are formed in the front end of the equipment shell (1) and above the two dial circuit board welding tracks (4), and two dustproof doors (6) are slidably arranged in the two dustproof door sliding channels (5).

2. The soldering apparatus for mounting electronic components of an automobile instrument panel according to claim 1, wherein: Two observation windows (7) are arranged on the equipment shell (1) and in front of the spot welding assembly (3), and a plurality of supporting legs (10) are fixedly installed at the lower end of the equipment shell (1); One of the equipment side plates (2) is fixedly installed with a control screen supporting arm (8) on the outer surface, and the front end of the control screen supporting arm (8) is fixedly installed with a control screen (9).

3. The soldering apparatus for mounting electronic components on an automobile instrument panel according to claim 2, wherein: The spot welding assembly (3) comprises a first electric sliding rail side plate (301), a first electric sliding rail (302), a spot welding track vehicle (303), a laser welding machine (304), a tin ball transfer assembly (305), an infrared scanning machine (306) and a scanning frame (307). The first electric sliding rail side plates (301) are fixedly installed on the inner walls of the two equipment side plates (2), and the two first electric sliding rails (302) are fixedly installed between the two first electric sliding rail side plates (301). The laser welding machine (304) is fixedly installed on one of the spot welding track vehicles (303), the tin ball transfer assembly (305) for transferring tin balls one by one is fixedly installed at the lower end of the laser welding machine (304), the infrared scanning machine (306) is fixedly installed on the other spot welding track vehicle (303), and the scanning frame (307) is arranged at the lower end of the infrared scanning machine (306).

4. The soldering apparatus for mounting electronic components on an automobile instrument panel according to claim 3, wherein: The two first electric sliding rails (302) are electrically connected with the control screen (9).

5. The soldering apparatus for mounting electronic components of an automobile instrument panel according to claim 4, wherein: The tin ball transfer assembly (305) comprises a transfer assembly shell (3051), a tin ball disc (3052), a connecting steel pipe (3053), a tin ball feeding pipe (3054), a feeding pipe cap (3055), a laser lens barrel (3056), a tin ball cavity (3057), a driving motor (3058), a transfer rotating shaft (3059), a transfer rotating disc (30510), a transfer tin ball hole (30511), a spacing bottom disc (30512), a spacing leakage hole (30513), a tin ball discharging hole (30514), a laser pipe hole (30515) and a spot welding head (30516). The transfer assembly shell (3051) is fixedly installed at the lower end of the laser welding machine (304), the tin ball disc (3052) is fixedly installed at the lower end of the inner wall of the transfer assembly shell (3051), and the connecting steel pipe (3053), the tin ball feeding pipe (3054) and the laser lens barrel (3056) are fixedly installed at the upper end of the tin ball disc (3052). The feeding pipe cap (3055) is arranged at the upper end of the tin ball feeding pipe (3054). The tin ball cavity (3057) is provided on the tin ball tray (3052) and below the tin ball feeding pipe (3054), one side of the tin ball cavity (3057) is provided with a tin ball discharging hole (30514), the upper end of the tin ball discharging hole (30514) is rotatably provided with a transfer rotating shaft (3059), the lower end side of the transfer rotating shaft (3059) is fixedly and integrally provided with a transfer turntable (30510), and a plurality of transfer tin ball holes (30511) are arranged on the transfer turntable (30510). The interval bottom disc (30512) is integrally arranged on the inner wall of the upper end of the tin ball discharging hole (30514) and below the transfer turntable (30510), and the end of the interval bottom disc (30512) away from the tin ball cavity (3057) is provided with an interval leakage hole (30513). The driving motor (3058) is fixedly installed on the upper end of the tin ball tray (3052), the laser tube hole (30515) is arranged on the tin ball tray (3052) and below the laser lens barrel (3056), and the dot welding head (30516) is arranged at the lower end of the laser tube hole (30515).

6. A soldering apparatus for mounting electronic components on an automobile instrument panel according to claim 5, wherein: The output shaft of the driving motor (3058) is coaxially fixedly connected with the transfer rotating shaft (3059), and the tin ball discharging hole (30514) is in communication with the laser tube hole (30515).

7. A soldering apparatus for mounting electronic components on an automobile instrument panel according to claim 6, wherein: The watch dial circuit board welding track (4) comprises a second electric sliding rail (401), a supporting top plate (402), a sliding trolley (403), a circuit board fixing plate (404) and a circuit board fixing piece (405). The second electric sliding rail (401) is fixedly installed in the equipment shell (1), the supporting top plate (402) is arranged between the two ends of the second electric sliding rail (401), the sliding trolley (403) is slidably arranged on the second electric sliding rail (401), the circuit board fixing plate (404) is fixedly installed on the sliding trolley (403), and the two circuit board fixing pieces (405) are fixedly installed on the circuit board fixing plate (404).

8. The soldering apparatus for mounting electronic components on an automobile instrument panel according to claim 7, wherein: The circuit board fixing plate (404) is located above the supporting top plate (402).

9. The soldering apparatus for mounting electronic components on an automobile instrument panel according to claim 8, wherein: The circuit board fixing piece (405) comprises a fixing piece base (4051), a supporting turntable (4052), a vortex thread (4053), a cross slide (4054), an adjusting sliding block (4055), a circuit board adding plate (4056) and a clamping spring (4057). The fixing piece base (4051) is fixedly installed on the circuit board fixing plate (404), the cross slide (4054) is fixedly installed at the upper end of the fixing piece base (4051), the four adjusting sliding blocks (4055) are slidably arranged in the cross slide (4054), the circuit board adding plate (4056) is integrally arranged at the upper end of each adjusting sliding block (4055), and the clamping spring (4057) is arranged at the rear end of each adjusting sliding block (4055). The fixing base (4051) is rotationally provided with a distraction turntable (4052), and the upper end of the distraction turntable (4052) is provided with a vortex thread (4053).

10. The soldering apparatus for mounting electronic components of an automobile instrument panel according to claim 9, wherein: The lower end of each adjusting slider (4055) is arranged in the gap of the vortex thread (4053).

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