Automatic welding device for PCBA (printed circuit board assembly) of HDMI connector

By designing the PCBA automatic welding device of HDMI connector, automatic tin and welding of HDMI wire body and PCBA board is realized, solving the problem of low yield rate in manual welding process and improving efficiency and automation rate.

CN222843286UActive Publication Date: 2025-05-09HOTRON PRECÍSION ELECTRONÍC IND (HUBEI) CO LTD
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Patent Information

Application Number
CN202421518137.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-29
Publication Date
2025-05-09
Estimated Expiration
2034-06-29

AI Technical Summary

Technical Problem

The welding process of HDMI connectors mainly relies on manual completion, resulting in the yield rate being limited by the working status and proficiency of the operators.

Method used

An automatic welding device for PCBA with HDMI connector is designed, including a point tin mechanism and a welding mechanism, and automatic point tin and spot welding operations of the HDMI wire body and the PCBA board are realized by installing a conveying component.

Benefits of technology

Automatic tin and welding between HDMI wire and PCBA board is realized, which overcomes the limitations of human work, improves yield and work efficiency, and increases the operation automation rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an HDMI connector PCBA automatic welding device. The HDMI connector PCBA automatic welding device comprises a tin dispensing mechanism and a welding mechanism. The mounting and conveying assembly is used for positioning, limiting and sequentially conveying the HDMI wire body and the PCBA board which are assembled to be in a welding state to the tin dispensing mechanism and the welding mechanism; the tin dispensing mechanism comprises a shielding assembly and a tin dispensing assembly, wherein the shielding assembly moves to be attached to and shield the PCBA board so as to only expose a welding spot area of the PCBA board and the HDMI wire body; the tin dispensing assembly is used for dispensing tin to a welding spot area of the shielded PCBA board; the installation conveying assembly conveys the PCBA board and the HDMI wire body which are subjected to tin dispensing and separated from the shielding assembly to the welding mechanism so as to complete welding operation. According to the technical scheme provided by the invention, automatic tin dispensing and automatic welding operation of the PCBA board and the HDMI wire body is realized, the limitation caused by manual operation is overcome, the yield is ensured, and meanwhile, the working efficiency and the operation automation rate are also improved.
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Description

Technical Field

[0001] The utility model relates to the field of HDMI connector assembly, in particular to an HDMI connector PCBA automatic welding device. Background Art

[0002] The processing technology of HDMI connector includes the welding process of HDMI cable and PCBA board. Because the soldering points of HDMI cable and PCBA board are fine, this process is still mainly completed manually. The basic operation process includes: 1) completing the alignment assembly of PCBA board and HDMI cable, and confirming that the alignment of the soldering points of HDMI cable and PCBA board is consistent; 2) the operator uses tinning tools and welding tools to complete the tinning and spot welding operations on the soldering points in sequence. Therefore, the yield rate of welding operation is limited by the working status and proficiency of the operator. Utility Model Content

[0003] The utility model aims to provide an automatic soldering device for a HDMI connector PCBA, which can realize automatic spot tinning and spot welding operations of an HDMI line body and a PCBA board.

[0004] In order to achieve the above purpose and other related purposes, the utility model provides the following technical solutions:

[0005] HDMI connector PCBA automatic welding device, including:

[0006] Tinning mechanism and welding mechanism;

[0007] Install a conveying component to position, limit and sequentially convey the assembled HDMI cable and PCBA board in a welded state to the tinning mechanism and the welding mechanism;

[0008] The tinning mechanism includes: a shielding component that moves to fit and shield the PCBA board to expose only the solder joint area of ​​the PCBA board and the HDMI cable body; and a tinning component that tins the solder joint area of ​​the shielded PCBA board;

[0009] The installation conveying component conveys the PCBA board and the HDMI line body that have completed the tinning and separated from the shielding component to the welding mechanism to complete the welding operation.

[0010] Through the above technical solution, the HDMI cable body and the PCBA board are limitedly installed in the installation and conveying component and assembled to form a welding state. The installation and conveying component conveys the HDMI cable body and the PCBA board to the tinning mechanism, the shielding component moves toward the PCBA board and fits with the PCBA board, the PCBA board is shielded by the shielding component and only the solder joint area aligned with the HDMI cable body is exposed, the tinning component moves to the shielded PCBA board and tins the exposed solder joint area of ​​the PCBA board; the shielding component is removed to separate from the PCBA board after the tinning component completes the tinning operation, and the installation and conveying component conveys the PCBA board and the HDMI cable body that have completed the tinning operation to the welding mechanism to complete the welding operation; the technical solution provided in the present application realizes automatic tinning and automatic welding operations of the PCBA board and the HDMI cable body, overcomes the limitations brought by manual operations, ensures the yield rate, and also improves work efficiency and operation automation rate.

[0011] Preferably, the shielding assembly includes a shielding plate adapted to the PCBA board and having an exposed groove in a solder joint area corresponding to the PCBA board, and a shielding driving member for driving the shielding plate to move and fit the PCBA board.

[0012] Through the above technical solution, the shielding driving member drives the shielding plate to move to fit or separate from the PCBA board, and the exposed groove exposes the solder joint area of ​​the PCBA board when the shielding plate is fitted to the PCBA board.

[0013] Preferably, the shielding plate comprises an upper shielding plate and a lower shielding plate symmetrically attached to two surfaces of the PCBA board.

[0014] Through the above technical solution, simultaneous shielding of both sides of the PCBA board is achieved.

[0015] Preferably, the tinning assembly comprises an upper tinning needle and a lower tinning needle which are symmetrically arranged and respectively tin the solder joint areas on both sides of the PCBA board.

[0016] Through the above technical solution, it is possible to tin both sides of the PCBA board at the same time, thereby improving work efficiency.

[0017] Preferably, the installation conveying assembly includes: a PCBA board limiting component and an HDMI line body limiting component which respectively position and limit the PCBA board and the HDMI line body to form a state to be welded; and a conveying driving component which drives the PCBA board limiting component and the HDMI line body limiting component to move synchronously.

[0018] Through the above technical solution, the PCBA board limiting component limits and fixes the PCBA board, and the HDMI cable body limiting component limits and fixes the HDMI cable body. The PCBA board and the HDMI cable body are respectively positioned and limited by the PCBA board limiting component and the HDMI cable body to form a welding state, and the conveying drive component drives the PCBA board and the HDMI cable body to maintain the welding state and move synchronously.

[0019] Preferably, the welding mechanism includes: a welding head adapted to the soldering point area of ​​the PCBA board, and a welding head driving component that drives the welding head to move and contact the soldering point area of ​​the PCBA board to complete the welding of the PCBA board and the HDMI cable.

[0020] Through the above technical solution, the welding head contacts the PCBA board under the drive of the welding head driving component to achieve welding between the PCBA board and the HDMI cable body.

[0021] Preferably, two groups of shielding components are provided.

[0022] Preferably, the tinning assembly is provided in one group and is located between two groups of the shielding assemblies during the tinning operation.

[0023] Through the above technical solution, two groups of shielding components simultaneously shield the PCBA boards corresponding to the two ends of the HDMI line body, and the tinning component located between the two groups of shielding components moves on both sides to respectively complete the tinning operation of the PCBA boards corresponding to the two ends of the HDMI line body.

[0024] The technical solution provided by this application has the following beneficial effects:

[0025] The HDMI connector PCBA automatic soldering device provided by the present application includes: a tinning mechanism and a soldering mechanism; an installation and conveying assembly for positioning, limiting, and sequentially conveying the assembled HDMI cable body and PCBA board to the tinning mechanism and the soldering mechanism; the tinning mechanism includes: a shielding assembly that moves to fit and shield the PCBA board to expose only the solder joint area of ​​the PCBA board and the HDMI cable body; and a tinning assembly for tinning the solder joint area of ​​the shielded PCBA board; the installation and conveying assembly conveys the PCBA board and the HDMI cable body that have been tinned and separated from the shielding assembly to the soldering mechanism to complete the soldering operation. The technical solution provided by the present application realizes the automatic tinning and automatic soldering operations of the PCBA board and the HDMI cable body, overcomes the limitations brought by manual operations, ensures the yield rate, and also improves work efficiency and operation automation rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It shows a schematic diagram of the structure of the PCBA board and the HDMI cable assembled to form a state ready for welding.

[0027] Figure 2 Shown is a schematic structural diagram of an automatic soldering device for a HDMI connector PCBA disclosed in an embodiment of the present utility model.

[0028] Figure 3 Shown is a schematic diagram of the tinning mechanism and welding mechanism of the HDMI connector PCBA automatic welding device disclosed in the embodiment of the utility model.

[0029] Figure 4 Shown is a schematic diagram of the shielding state of the HDMI connector PCBA automatic welding device disclosed in the embodiment of the present utility model.

[0030] Figure 5 for Figure 3 Enlarged schematic diagram of part A.

[0031] Description of technical feature numbers in the accompanying drawings:

[0032] 1. Workbench; 2. Tinning mechanism; 21. Shielding assembly; 211. Shielding plate; 22. Tinning assembly; 3. Welding mechanism; 31. Welding head; 32. Welding head driving component; 4. Install conveying assembly; 41. Conveying guide rail; 42. Line support; 10. HDMI line; 11. PCBA board. DETAILED DESCRIPTION

[0033] The following specific embodiments illustrate the implementation of the present invention, and those familiar with the technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0034] The HDMI connector PCBA automatic welding device provided by this application refers to Figure 1 and Figure 2 , including a workbench 1, a tinning mechanism 2, a welding mechanism 3 and an installation and conveying component 4 carried on the workbench 1.

[0035] Specifically, the installation conveying assembly 4 includes a conveying guide rail 41 arranged parallel to the connection line of the tinning mechanism 2 and the welding mechanism 3, a PCBA board limiting member and an HDMI line limiting member arranged to move along the guide rail, and a conveying driving member driving the PCBA board limiting member and the HDMI line limiting member to move synchronously. Specifically, the PCBA board limiting member and the HDMI limiting member are arranged in pairs in two groups, and the two ends of the HDMI line 10 are respectively positioned and restricted to the two groups of HDMI line limiting members, and the PCBA board positioned and restricted to the PCBA board limiting member and the HDMI line 10 positioned and restricted to the HDMI line limiting member form a welding state. Specifically, the HDMI line body limiting member includes a line body end limiting member with a line core separation groove for the line cores at both ends of the HDMI line body 10 to be correspondingly embedded, and a line body support member 42 supporting the main part of the HDMI line body 10; specifically, the line body support member 42 of this embodiment is arranged parallel to the conveying guide rail 41, and the line cores at both ends of the HDMI line body 10 are correspondingly embedded in the line body end limiting member, while the main part of the HDMI line body 10 is overlapped on the line body support member 42 to support the HDMI line body 10. When the conveying driving member drives the PCBA board limiting member and the HDMI line body limiting member to move synchronously, the main part of the HDMI line body 10 overlapped on the line body support member 42 moves along the line body support member 42. Specifically, the conveying driving member in this embodiment is a servo driving motor, and the rotating shaft of the servo driving motor is connected to a screw rod arranged parallel to the conveying guide rail 41, and the screw rod is threadedly connected to a threaded block fixedly connected to the PCBA board limiting member and the line body end limiting member. When the servo drive motor is started, it drives the thread block to move along the lead screw, and the movement of the thread block drives the PCBA board limiting member and the wire end limiting member to move along the conveying guide rail 41.

[0036] Reference Figure 2 and Figure 3 The tinning mechanism 2 includes a shielding component 21 and a tinning component 22, wherein the shielding component 21 is provided with two groups, corresponding to the two ends of the HDMI cable body 10 respectively, so as to shield the PCBA boards corresponding to the two ends of the HDMI cable body 10 at the same time. Specifically, the shielding component 21 includes a shielding plate 211 adapted to the PCBA board and provided with an exposed groove in the solder joint area corresponding to the PCBA board, and a shielding driving member driving the shielding plate 211 to move so as to be attached to the PCBA board. Among them, the shielding plate 211 includes an upper shielding plate 211 and a lower shielding plate 211 symmetrically attached to the two sides of the PCBA board, that is, when the shielding plate 211 is attached to the PCBA board, it simultaneously shields the upper and lower surfaces of the PCBA board. Refer to Figure 3 and Figure 4Specifically, the shielding drive member in this embodiment adopts a combination of a driving motor and a cylinder, a support frame is arranged above the conveying guide rail 41, and the shielding assembly 21 slides along the support frame under the drive of the driving motor. When the conveying drive member drives the PCBA board and the HDMI cable body 10 to move to a predetermined position, the driving motor drives the shielding plate 211 to move, so that the upper shielding plate 211 and the lower shielding plate 211 of the shielding plate 211 are respectively located on the upper and lower sides of the PCBA board. At this time, the cylinder drives the upper shielding plate 211 and the lower shielding plate 211 to move close to the PCBA board and fit to the PCBA board. The PCBA board is shielded by the shielding plate 211 and only the solder joint area is exposed through the exposed groove.

[0037] Reference Figure 2 and Figure 3 , a group of tinning components 22 are provided, and when the shielding component 21 shields the PCBA board, the tinning component 22 is located between the two groups of shielding components 21, and the two sides of the tinning component 22 move to respectively complete the tinning operation of the PCBA boards corresponding to the two ends of the HDMI line body 10. Specifically, the tinning component 22 includes an upper tinning needle and a lower tinning needle that are symmetrically arranged, and a tinning drive member that drives the upper tinning needle and the lower tinning needle to move along the support frame. There is a gap between the upper tinning needle and the lower tinning needle for the shielded PCBA board to pass through, that is, the upper tinning head and the lower tinning head tin the solder joint area of ​​the PCBA board through the exposed groove. After the tinning operation is completed, the shielding component 21 is separated from the PCBA board under the drive of the shielding drive member.

[0038] Reference Figure 2 , Figure 3 and Figure 5 The welding mechanism 3 includes a welding head 31 adapted to the soldering point area of ​​the PCBA board, and a welding head driving component that drives the welding head 31 to move and contact the soldering point area of ​​the PCBA board to complete the welding of the PCBA board and the HDMI line body 10. Specifically, the welding head 31 in this embodiment is a molybdenum alloy welding head 31, including an upper welding head and a lower welding head symmetrically arranged for spot welding operations on both sides of the PCBA board. Specifically, the driving component of the welding head 31 is a cylinder. After the spot tinning operation is completed, the conveying component 4 is installed to convey the PCBA board and the HDMI line body 10 to between the upper welding head and the lower welding head. The cylinder drives the upper welding head and the lower welding head to approach the PCBA board and contact the two sides of the PCBA board respectively to complete the welding of the two end wire cores of the PCBA board and the HDMI line body 10.

[0039] The working process of the HDMI connector PCBA automatic soldering device provided by the present application is as follows: the HDMI cable body 10 and the PCBA board are limitedly installed in the installation and conveying component 4 and assembled to form a soldering state, the installation and conveying component 4 conveys the HDMI cable body 10 and the PCBA board to the tinning mechanism 2, the shielding component 21 moves toward the PCBA board and fits with the PCBA board, the PCBA board is shielded by the shielding component 21 and only the solder joint area aligned with the HDMI cable body 10 is exposed, the tinning component 22 moves to the shielded PCBA board and tins the exposed solder joint area of ​​the PCBA board; the shielding component 21 is moved away to separate from the PCBA board after the tinning component 22 completes the tinning operation, and the installation and conveying component 4 conveys the PCBA board and the HDMI cable body 10 that have completed the tinning operation to the soldering mechanism 3 to complete the soldering operation; the technical solution provided by the present application realizes the automatic tinning and automatic soldering operation of the PCBA board and the HDMI cable body 10, overcomes the limitations brought by manual operation, ensures the yield rate, and also improves the work efficiency and the automation rate of the operation.

[0040] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. All equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. An automatic soldering device for HDMI connector PCBA, characterized in that: include: Tinning mechanism (2) and welding mechanism (3); Installing a conveying assembly (4) for positioning, limiting and sequentially conveying the assembled HDMI cable and PCBA board in a welded state to the tinning mechanism (2) and the welding mechanism (3); The soldering mechanism (2) comprises: a shielding component (21) that moves to fit and shield the PCBA board so as to expose only the soldering point area of ​​the PCBA board and the HDMI cable body; and a tinning component (22) for applying tin to the solder joint area of ​​the shielded PCBA board; The installation conveying component (4) conveys the PCBA board and the HDMI cable body that have been tinned and separated from the shielding component (21) to the welding mechanism (3) to complete the welding operation.

2. The HDMI connector PCBA automatic welding device according to claim 1, characterized in that: The shielding assembly (21) comprises a shielding plate (211) adapted to the PCBA board and provided with an exposed groove in a solder joint area corresponding to the PCBA board, and a shielding driving member for driving the shielding plate (211) to move so as to be attached to the PCBA board.

3. The HDMI connector PCBA automatic welding device according to claim 2, characterized in that: The shielding plate (211) comprises an upper shielding plate (211) and a lower shielding plate (211) symmetrically attached to two surfaces of the PCBA board.

4. The HDMI connector PCBA automatic welding device according to claim 3, characterized in that: The tinning assembly (22) comprises an upper tinning needle and a lower tinning needle which are symmetrically arranged and respectively tin the soldering point areas on both sides of the PCBA board.

5. The HDMI connector PCBA automatic welding device according to claim 1, characterized in that: The installation conveying component (4) comprises: a PCBA board limiting component and an HDMI line body limiting component respectively correspondingly positioning and limiting the PCBA board and the HDMI line body to form a state to be welded; and a conveying driving component driving the PCBA board limiting component and the HDMI line body limiting component to move synchronously.

6. The HDMI connector PCBA automatic welding device according to claim 1, characterized in that: The welding mechanism (3) comprises: a welding head (31) adapted to the welding point area of ​​the PCBA board, and a welding head (31) driving component that drives the welding head (31) to move and contact the welding point area of ​​the PCBA board to complete welding of the PCBA board and the HDMI cable (10).

7. The HDMI connector PCBA automatic welding device according to claim 2, characterized in that: The shielding components (21) are provided in two groups.

8. The HDMI connector PCBA automatic welding device according to claim 7, characterized in that: The tinning assembly (22) is provided in one group and is located between two groups of shielding assemblies (21) during the tinning operation.