Automatic tin soldering device for ignition coil circuit board

Abstract

The utility model discloses an automatic tin soldering device for an ignition coil circuit board, which belongs to the technical field of ignition coil circuit boards and comprises a base, a placing groove is arranged at the upper end of the base and communicated with two symmetrically arranged sliding grooves arranged on the base, and two groups of symmetrically arranged damping components are arranged at the inner end of the placing groove. A workbench is arranged at the upper end of the damping assembly, an L-shaped plate is arranged on the rear side of the upper end of the workbench, a tin soldering assembly is arranged at the lower end of the inner side of the L-shaped plate, a moving groove is formed in the upper end of the workbench and communicates with two open grooves formed in the workbench, and a circuit board limiting mechanism is arranged on the workbench. The circuit board limiting mechanism comprises a stepping motor connected to the workbench, and the output end of the stepping motor is connected with a rotating shaft. According to the utility model, the circuit boards with different sizes can be positioned, and the two sides of the circuit board cannot be extruded in the positioning process, so that the stability and efficiency of the follow-up tin soldering action are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ignition coil circuit boards, in particular to an automatic soldering device for ignition coil circuit boards. Background Art

[0002] In the field of electronic product processing, the components on PCB circuit boards are showing a trend of diversification, including all through-hole plug-in PCB circuit boards, all-chip plug-in PCB circuit boards, etc. At present, the production of all through-hole plug-in PCB circuit boards often requires the use of various processing equipment, and the soldering machine is one of the more important equipment. The soldering machine is mainly used to tin the PCB circuit board with inserted electronic components, that is, to place the PCB circuit board on the tin surface in the tin furnace and let the liquid tin touch the insertion holes of the PCB circuit board, so that the electronic components are soldered on the PCB circuit board. The soldering machines mainly include immersion soldering machines and wave soldering machines.

[0003] The existing technology has the problem that it is inconvenient to clamp circuit boards of different sizes when soldering the ignition coil circuit board, which will cause incorrect point positioning during soldering, and finally cause the soldering device to damage the circuit board. For this reason, we propose an automatic soldering device for ignition coil circuit boards. Utility Model Content

[0004] The utility model aims to provide an automatic soldering device for an ignition coil circuit board to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic soldering device for an ignition coil circuit board comprises a base, a placement slot is provided at the upper end of the base, the placement slot is connected with two symmetrically arranged sliding slots provided on the base, two groups of symmetrically arranged shock-absorbing components are provided at the inner end of the placement slot, a workbench is provided at the upper end of the shock-absorbing component, an L-shaped plate is provided on the rear side of the upper end of the workbench, a soldering component is provided at the lower end of the inner side of the L-shaped plate, a moving slot is provided at the upper end of the workbench, the moving slot is connected with two open slots provided on the workbench, a circuit board limiting mechanism is provided on the workbench, the circuit board limiting mechanism comprises a stepping motor connected to the workbench, a rotating shaft is connected to the output end of the stepping motor, the rotating shaft is connected to a rotating rod, two symmetrically arranged threaded grooves are provided on the outer peripheral side of the rotating rod, the rotating rod is threadedly connected to two symmetrically arranged L-shaped movable plates, and protective cotton is connected to the inner end of the L-shaped movable plate.

[0006] Preferably, the shock absorbing assembly includes a damping guide rod and a spring connected to the inner wall of the placement groove, and the damping guide rod and the spring output end are connected to the workbench.

[0007] Preferably, the soldering assembly includes a C-shaped plate connected to the inner wall of the L-shaped plate, the C-shaped plate is slidably connected to an electric guide sleeve, the lower end of the electric guide sleeve is connected to an electric push rod, the output end of the electric push rod is connected to a soldering device body, one side of the soldering device body is connected to a mounting plate, and an infrared sensor is arranged at the lower end of the mounting plate.

[0008] Preferably, the lower end of the workbench is connected to two symmetrically arranged L-shaped sliders, the L-shaped sliders are slidably connected to the slide groove, and the width of the L-shaped sliders is equal to the inner width of the slide groove.

[0009] Preferably, the rotating shaft is rotatably connected to the workbench via a bearing.

[0010] Preferably, the width of the movable groove is matched with the width of the opening groove, and the width of the L-shaped movable plate is matched with the width of the movable groove.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. A base, a placement groove, a slide groove, a workbench, a movable groove, an open groove, an L-shaped plate, a soldering assembly, a circuit board limit mechanism and an L-shaped slider are provided to place the circuit board on the workbench. Next, the stepper motor is powered by an external power supply. At this time, the output end of the stepper motor drives the rotating shaft to rotate and then drives the rotating rod to rotate. At this time, the rotating rod drives the L-shaped movable plate to move in the movable groove and the open groove. At this time, the L-shaped movable plate drives the protective cotton to contact the circuit board. Next, the soldering assembly can be used to solder the solder points on the surface of the circuit board. The utility model realizes the positioning action of circuit boards of different sizes. At the same time, there will be no squeezing action on both sides of the circuit board during the positioning process, which improves the stability and efficiency of subsequent soldering actions.

[0013] 2. A shock-absorbing component is provided to offset the vibrations that may occur during the operation of the soldering component. At this time, the damping guide rod and the spring can offset the vibrations, thereby improving the stability of the soldering process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the circuit board limit mechanism structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the solder assembly of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the shock absorbing component of the utility model.

[0018] In the figure: 1. base; 2. placement groove; 3. slide groove; 4. shock absorbing assembly; 401. damping guide rod; 402. spring; 5. workbench; 6. moving groove; 7. opening groove; 8. L-shaped plate; 9. soldering assembly; 901. C-shaped plate; 902. electric guide sleeve; 903. electric push rod; 904. soldering device body; 905. mounting plate; 906. infrared sensor; 10. circuit board limit mechanism; 1001. stepping motor; 1002. rotating shaft; 1003. rotating rod; 1004. L-shaped moving plate; 1005. protective cotton; 11. L-shaped slider. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides a technical solution: an automatic soldering device for an ignition coil circuit board, comprising a base 1, a placement slot 2 is provided at the upper end of the base 1, the placement slot 2 is connected to two symmetrically arranged slide slots 3 provided on the base 1, two groups of symmetrically arranged shock absorbing components 4 are provided at the inner end of the placement slot 2, a workbench 5 is provided at the upper end of the shock absorbing component 4, an L-shaped plate 8 is provided at the rear side of the upper end of the workbench 5, a soldering component 9 is provided at the lower end of the inner side of the L-shaped plate 8, a moving slot 6 is provided at the upper end of the workbench 5, and the moving slot 6 is connected to two symmetrically arranged slide slots 3 provided at the inner end of the workbench 5. An opening groove 7 on the workbench 5, a circuit board limiting mechanism 10 is provided on the workbench 5, the circuit board limiting mechanism 10 includes a stepper motor 1001 connected to the workbench 5, the output end of the stepper motor 1001 is connected to a rotating shaft 1002, the rotating shaft 1002 is connected to a rotating rod 1003, the outer peripheral side of the rotating rod 1003 is provided with two symmetrically arranged threaded grooves, the rotating rod 1003 is threadedly connected to two symmetrically arranged L-shaped moving plates 1004, and the inner end of the L-shaped moving plate 1004 is connected to a protective cotton 1005.

[0021] Specifically, the shock absorbing assembly 4 includes a damping guide rod 401 and a spring 402 connected to the inner wall of the placement groove 2, and the output ends of the damping guide rod 401 and the spring 402 are connected to the workbench 5; the soldering assembly 9 includes a C-shaped plate 901 connected to the inner wall of the L-shaped plate 8, the C-shaped plate 901 is slidably connected to an electric guide sleeve 902, the lower end of the electric guide sleeve 902 is connected to an electric push rod 903, the output end of the electric push rod 903 is connected to a soldering device body 904, one side of the soldering device body 904 is connected to a mounting plate 905, and an infrared sensor 906 is arranged at the lower end of the mounting plate 905; two symmetrically arranged L-shaped sliders 11 are connected to the lower end of the workbench 5, the L-shaped sliders 11 are slidably connected to the slide groove 3, and the width of the L-shaped slider 11 is equal to the inner width of the slide groove 3; the rotating shaft 1002 is rotatably connected to the workbench 5 through a bearing; the movable groove 6 is matched with the width of the opening groove 7, and the width of the L-shaped movable plate 1004 is matched with the width of the movable groove 6.

[0022] Working principle: Place the circuit board on the workbench 5, then power the stepper motor 1001 through an external power supply, at this time the output end of the stepper motor 1001 drives the rotating shaft 1002 to rotate and then drives the rotating rod 1003 to rotate, at this time the rotating rod 1003 drives the L-shaped movable plate 1004 to move in the movable groove 6 and the opening groove 7, at this time the L-shaped movable plate 1004 drives the protective cotton 1005 to contact the circuit board, then the soldering assembly 9 can be used to solder the solder points on the surface of the circuit board, at the same time, when the soldering assembly 9 is working, vibration will occur, at this time the damping guide rod 401 and the spring 402 offset the vibration, thereby improving the stability of the soldering process, the utility model realizes the positioning action of circuit boards of different sizes, at the same time, there will be no squeezing action on both sides of the circuit board during the positioning process, thereby improving the stability and efficiency of subsequent soldering actions.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic soldering device for an ignition coil circuit board, comprising a base (1), characterized in that: The base (1) has a placement groove (2) at the upper end, the placement groove (2) is connected to two symmetrically arranged slide grooves (3) provided on the base (1), the inner end of the placement groove (2) is provided with two groups of symmetrically arranged shock absorbing components (4), the upper end of the shock absorbing component (4) is provided with a workbench (5), the upper rear side of the upper end of the workbench (5) is provided with an L-shaped plate (8), the inner lower end of the L-shaped plate (8) is provided with a soldering component (9), the upper end of the workbench (5) has a moving groove (6), the moving groove (6) is connected to two open grooves (7) provided on the workbench (5), the A circuit board limiting mechanism (10) is arranged on the workbench (5), the circuit board limiting mechanism (10) comprising a stepping motor (1001) connected to the workbench (5), the output end of the stepping motor (1001) being connected to a rotating shaft (1002), the rotating shaft (1002) being connected to a rotating rod (1003), the outer peripheral side of the rotating rod (1003) being provided with two symmetrically arranged thread grooves, the rotating rod (1003) being threadedly connected to two symmetrically arranged L-shaped moving plates (1004), the inner end of the L-shaped moving plate (1004) being connected to a protective cotton (1005).

2. The automatic soldering device for ignition coil circuit board according to claim 1, characterized in that: The shock absorbing assembly (4) comprises a damping guide rod (401) and a spring (402) connected to the inner wall of the placement groove (2); the output ends of the damping guide rod (401) and the spring (402) are connected to the workbench (5).

3. The automatic soldering device for ignition coil circuit board according to claim 1, characterized in that: The soldering assembly (9) comprises a C-shaped plate (901) connected to the inner wall of the L-shaped plate (8); the C-shaped plate (901) is slidably connected to an electric guide sleeve (902); the lower end of the electric guide sleeve (902) is connected to an electric push rod (903); the output end of the electric push rod (903) is connected to a soldering device body (904); one side of the soldering device body (904) is connected to a mounting plate (905); and the lower end of the mounting plate (905) is provided with an infrared sensor (906).

4. The automatic soldering device for ignition coil circuit board according to claim 1, characterized in that: The lower end of the workbench (5) is connected to two symmetrically arranged L-shaped sliding blocks (11), the L-shaped sliding blocks (11) are slidably connected to the sliding groove (3), and the width of the L-shaped sliding blocks (11) is equal to the inner width of the sliding groove (3).

5. The automatic soldering device for ignition coil circuit board according to claim 1, characterized in that: The rotating shaft (1002) is rotatably connected to the workbench (5) via a bearing.

6. The automatic soldering device for ignition coil circuit board according to claim 1, characterized in that: The widths of the movable groove (6) and the opening groove (7) are matched, and the width of the L-shaped movable plate (1004) is matched.

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