Special-shaped tin wave nozzle structure capable of being welded in combined mode

Abstract

The utility model discloses a special-shaped tin wave nozzle structure capable of being combined and welded, which comprises a cover plate, and a first nozzle assembly and a second nozzle assembly are arranged at the top of the cover plate; notches are formed in the two ends of the cover plate groove, and limiting assemblies are arranged in the notches. The limiting assembly comprises a supporting spring and a limiting rod which are fixed in the notch, one end of the supporting spring is connected with a limiting clamping plate, two sets of grooves are formed in the top of the cover plate, a first base and a second base are inserted into the two sets of grooves correspondingly, and the first nozzle assembly comprises the first base fixed to the top end of the cover plate. A first spray welding nozzle is arranged on the first base; the second nozzle assembly comprises a second base fixed to the top end of the cover plate, a second spray welding nozzle is arranged on the second base, the second spray welding nozzle and the first spray welding nozzle are arranged in parallel, and the second spray welding nozzle and the first spray welding nozzle are both of a special-shaped structure. The device can simultaneously improve the welding production efficiency of multiple points in production and reduce the production cost.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB soldering, in particular to a special-shaped tin wave nozzle structure capable of combined soldering. Background Technique

[0002] The soldering tin process of PCB is an essential and important link in the manufacturing industry, and the soldering process is a key step to connect electronic components to the PCB. With the continuous development of electronic technology, various different PCB soldering processes have emerged.

[0003] The main soldering methods in current production are: manual soldering, automatic mechanical soldering machines, and wave soldering processes. Among them, wave soldering is to use a shielding mold to shield the surface-mounted components of the product to achieve wave soldering of the inserted leads on the soldering surface. This method requires a large investment in solder costs and a large production space occupied by the equipment. The solder is sprayed into the air at a very high speed at a very high temperature, with more oxidation. The generated oxides often cause the production of various forms of soldering defects, with high production costs and low efficiency, and improvement is needed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a special-shaped tin wave nozzle structure capable of combined soldering to solve the problems of low soldering efficiency and high cost of the wave soldering nozzle in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a special-shaped tin wave nozzle structure capable of combined soldering, including a cover plate, and a first nozzle assembly and a second nozzle assembly are arranged on the top of the cover plate;

[0006] The first nozzle assembly includes a first base fixed to the top end of the cover plate, and a first spray nozzle is arranged on the first base;

[0007] The second nozzle assembly includes a second base fixed to the top end of the cover plate, and a second spray nozzle is arranged on the second base. The second spray nozzle is arranged in parallel with the first spray nozzle, and both the second spray nozzle and the first spray nozzle are special-shaped structures.

[0008] Preferably, two groups of grooves are opened on the top of the cover plate, and the first base and the second base are respectively inserted into the two groups of grooves.

[0009] Preferably, notches are opened at both ends of the groove of the cover plate, and a limiting component is arranged in the notch;

[0010] The limiting component includes a support spring and a limiting rod fixed in the notch.

[0011] Preferably, one end of the support spring is connected with a limiting clamping plate, and through holes are opened on both sides of the limiting clamping plate.

[0012] Preferably, a limiting rod is inserted inside the through hole of the limiting clamping plate, and the limiting rod is slidably connected to the limiting clamping plate.

[0013] Preferably, a sealing ring is arranged at the bottom of the cover plate, a spray head is arranged at the bottom of the sealing ring, and the spray head is communicated with the first spray welding nozzle and the second spray welding nozzle.

[0014] Preferably, a solder delivery pipe is connected to the bottom of the spray head, and one end of the solder delivery pipe is connected to a wave soldering furnace.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] (1) This device can improve the welding production efficiency at multiple points simultaneously during production, reducing production costs.

[0017] (2) By combining with the opening size of the welding position of the product, this device replaces the traditional circular nozzle specifications with special-shaped first and second spray welding nozzles that can combine workstations, thereby realizing a multi-point simultaneous welding mode during production, greatly improving the welding production efficiency. After combining the workstations, the personnel input is reduced, resulting in low production costs and strong market competitiveness.

[0018] (3) By respectively arranging movable limiting clamping plates at both ends of the first base and the second base at the bottoms of the first spray welding nozzle and the second spray welding nozzle on the top of the cover plate for limiting during the installation of the first base and the second base, the first base and the second base can be positioned, facilitating the fixed installation of the first base and the second base. Description of the Drawings

[0019] Figure 1 It is a schematic structural diagram of a special-shaped tin wave nozzle structure for combined welding of the present utility model;

[0020] Figure 2 It is a right view of a special-shaped tin wave nozzle structure for combined welding of the present utility model;

[0021] Figure 3 It is of a special-shaped tin wave nozzle structure for combined welding of the present utility model Figure 1 Enlarged view at A in

[0022] In the figure: 1. Cover plate; 2. First nozzle assembly; 21. First base; 22. First spray welding nozzle; 3. Second nozzle assembly; 31. Second base; 32. Second spray welding nozzle; 4. Sealing ring; 5. Spray head; 6. Solder delivery pipe; 7. Limiting assembly; 71. Limiting clamping plate; 72. Support spring; 73. Limiting rod. Detailed Embodiment

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Please refer to Figures 1-3 , the present invention provides a technical solution: a special-shaped tin wave nozzle structure that can be combined and welded, including a cover plate 1, on the top of which a first nozzle assembly 2 and a second nozzle assembly 3 are provided; a groove is opened on the top of the cover plate 1, and there are two groups of grooves, in which a first base 21 and a second base 31 are respectively inserted; this structure can improve the connection stability between the first base 21 and the second base 31 and the cover plate 1; notches are opened at both ends of the groove of the cover plate 1, and a limiting component 7 is arranged in the notches;

[0025] The limiting component 7 includes a support spring 72 and a limiting rod 73 fixed in the notch; one end of the support spring 72 is connected with a limiting clamping plate 71, and through holes are opened on both sides of the limiting clamping plate 71; a limiting rod 73 is inserted inside the through hole of the limiting clamping plate 71, and the limiting rod 73 and the limiting clamping plate 71 form a sliding connection; this structure can support the limiting clamping plate 71 to fit against both ends of the first base 21 and the second base 31 through the support spring 72, so as to facilitate the use of screws to fix the first base 21 and the second base 31 to the cover plate 1; by setting the limiting rod 73, the stability of the longitudinal movement of the limiting clamping plate 71 can be ensured, and the position deviation of the limiting clamping plate 71 can be avoided; a sealing ring 4 is arranged at the bottom of the cover plate 1, a nozzle 5 is arranged at the bottom of the sealing ring 4, and the nozzle 5 is communicated with a first spray welding nozzle 22 and a second spray welding nozzle 32; the sealing ring 4 of this structure is a fluororubber sealing ring, which is heat-resistant, ensuring the sealing between the cover plate 1 and the nozzle 5 while ensuring the service life; a solder delivery pipe 6 is connected to the bottom of the nozzle 5, and a heating pipe is arranged inside the nozzle 5 for preheating the solder, and one end of the solder delivery pipe 6 is connected to a wave soldering furnace; the solder delivery pipe 6 of this structure drives the solder through an electromagnetic pump, and this part is the prior art, so no more details will be described here;

[0026] The first nozzle assembly 2 includes a first base 21 fixed to the top end of the cover plate 1, and a first spray welding nozzle 22 is arranged on the first base 21;

[0027] The second nozzle assembly 3 includes a second base 31 fixed to the top end of the cover plate 1. A second spray welding nozzle 32 is provided on the second base 31. The second spray welding nozzle 32 is arranged in parallel with the first spray welding nozzle 22. Both the second spray welding nozzle 32 and the first spray welding nozzle 22 are of special-shaped structures. In this device, the original 60-mm circular nozzle is replaced with two independent special-shaped second spray welding nozzles 32 and the first spray welding nozzle 22 fixed on a cover plate 1, increasing the welding area and ensuring that multiple parts can be welded simultaneously. The individual sizes of the second spray welding nozzle 32 and the first spray welding nozzle 22 are made according to the opening size of the welding jig. After the sizes match, the welding accuracy and welding quality in production operations can be ensured. Although the difficulty of manufacturing the special-shaped nozzles increases, in terms of the calculation of increased production efficiency and reduced labor costs, the production cost is reduced the most fundamentally, which is also the greatest advantage for establishing a foothold in the industry. After the introduction of the special-shaped second spray welding nozzle 32 and the first spray welding nozzle 22, the investment in the number of factory equipment can be saved, and the simplification of the production process also brings the greatest benefit and efficiency increase.

[0028] Working principle: When using this special-shaped tin wave spray nozzle structure that can be combined for welding, first insert the second base 31 and the first base 21 at the bottoms of the second spray welding nozzle 32 and the first spray welding nozzle 22 into the grooves at the top of the cover plate 1 respectively. When inserting, push the limit clamping plates 71 and the support springs 72 towards both ends so that the second base 31 and the first base 21 can be smoothly inserted into the grooves at the top of the cover plate 1. Then, the support spring 72 pushes the limit clamping plate 71 to clamp at both ends of the second base 31 and the first base 21 to limit the second base 31 and the first base 21. Subsequently, use screws to fix the second base 31 and the first base 21 to the cover plate 1. During the use of this device, the second spray welding nozzle 32 and the first spray welding nozzle 22 at the tops of the second base 31 and the first base 21 can then perform rapid and efficient welding work on the PCB board.

[0029] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A special-shaped solder wave nozzle structure capable of being combined with welding, comprising a cover plate (1), characterized in that: A first nozzle assembly (2) and a second nozzle assembly (3) are arranged on the top of the cover plate (1); The first nozzle assembly (2) comprises a first base (21) fixed to the top end of the cover plate (1), and a first spray welding nozzle (22) is arranged on the first base (21); The second nozzle assembly (3) comprises a second base (31) fixed to the top end of the cover plate (1), a second spray welding nozzle (32) being arranged on the second base (31), the second spray welding nozzle (32) being arranged parallel to the first spray welding nozzle (22), and the second spray welding nozzle (32) and the first spray welding nozzle (22) both being of a special-shaped structure.

2. The special-shaped solder wave nozzle structure capable of being combined with soldering according to claim 1, characterized in that: The top of the cover plate (1) is provided with grooves, and two groups of grooves are provided, and the first base (21) and the second base (31) are respectively inserted into the two groups of grooves.

3. The special-shaped solder wave nozzle structure capable of being combined with soldering according to claim 1, characterized in that: Notches are provided at both ends of the groove of the cover plate (1), and limit position components (7) are arranged in the notches; The limiting assembly (7) comprises a support spring (72) and a limiting rod (73) fixed in the notch.

4. The special-shaped solder wave nozzle structure capable of being combined with soldering according to claim 3, characterized in that: One end of the support spring (72) is connected to the limiting clamping plate (71), and through holes are provided on both sides of the limiting clamping plate (71).

5. The special-shaped solder wave nozzle structure capable of being combined with soldering according to claim 4, characterized in that: A limiting rod (73) is inserted into the through hole of the limiting clamping plate (71), and the limiting rod (73) and the limiting clamping plate (71) are slidably connected.

6. The special-shaped solder wave nozzle structure capable of being combined with soldering according to claim 1, characterized in that: A sealing ring (4) is provided at the bottom of the cover plate (1), a nozzle (5) is provided at the bottom of the sealing ring (4), and the nozzle (5) is connected to the first spray welding nozzle (22) and the second spray welding nozzle (32).

7. The special-shaped solder wave nozzle structure capable of being combined with soldering according to claim 6, characterized in that: The bottom of the nozzle (5) is connected to a solder delivery pipe (6), and one end of the solder delivery pipe (6) is connected to a wave soldering furnace.

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