Iron tip and soldering apparatus including the same

Abstract

The utility model relates to a soldering iron head and including soldering tin equipment of this soldering iron head. This soldering iron head is used to cross soldering of wire and plug -in component, and including the soldering iron head main part of column shape and the first limiting portion, second limiting portion and send tin portion of setting in the first end of soldering iron head main part, the first limiting portion is constituted to fix the wire at the both sides of the welding of wire and plug -in component, the second limiting portion is constituted to fix the plug -in component at the both sides of the welding of plug -in component and wire, send tin portion is constituted to send soldering tin liquid to the cross soldering of wire and plug -in component when wire and plug -in component are fixed. The soldering iron head of the utility model can carry out 360 degree full -enclosing soldering of the cross soldering of wire and plug -in component, and can ensure that there is no gap between plug -in component and wire after soldering, has improved welding stability and quality reliability.

Description

Technical Field

[0001] This utility model relates to the field of soldering equipment technology, and in particular to a soldering iron tip for soldering equipment, and soldering equipment including the soldering iron tip. Background Technology

[0002] Soldering equipment primarily uses robotic arms or three-axis motion systems to perform soldering operations. Its core components are an automatic solder feeding mechanism, a temperature controller, a heating element, and a soldering iron tip. Among these, the soldering iron tip is a crucial component affecting soldering quality and is also a consumable part.

[0003] Existing soldering equipment primarily uses a three-axis motion system to position the soldering tip at a predetermined location and can be equipped with a positioning adjustment device to adjust the angle of the soldering tip. However, a connector typically has multiple soldering positions; for example, multiple terminals on the connector need to be soldered to corresponding wires. Due to the assembly gap between the terminals and wires, the predetermined position of the soldering tip during soldering can deviate, resulting in poor soldering stability, inconsistent connectors, and a high defect rate. Utility Model Content

[0004] The purpose of this utility model is to solve at least one of the above-mentioned problems and / or other problems existing in the prior art.

[0005] To achieve the above objectives, according to one aspect of the present invention, a soldering iron tip is provided for cross-soldering a wire to a connector. The soldering iron tip includes a columnar soldering iron tip body, and a first limiting portion, a second limiting portion, and a solder feeding portion disposed at a first end of the soldering iron tip body. The first limiting portion is configured to fix the wire on both sides of the soldering point between the wire and the connector. The second limiting portion is configured to fix the connector on both sides of the soldering point between the connector and the wire. The solder feeding portion is configured to deliver solder to the cross-soldering point between the wire and the connector when the wire and the connector are fixed.

[0006] According to one embodiment of the present invention, the second limiting portion is recessed inward along the axial direction of the soldering iron tip body and is used to receive the plug-in member, so that two first limiting portions opposite to each other are formed on both sides of the second limiting portion.

[0007] According to one embodiment of the present invention, each of the two first limiting portions is provided with a U-shaped hole for receiving the ends of the wire located on both sides of the welding point with the plug-in component.

[0008] According to one embodiment of the present invention, the depth of the U-shaped hole is configured to define a space for receiving the wire together with the top of the plug member at the welding point with the wire.

[0009] According to one embodiment of the present invention, the portion of the peripheral wall of the first end of the soldering iron tip body corresponding to at least one of the two first limiting portions is provided with an inclined surface, and the inclined surface gradually approaches the axial center of the soldering iron tip body in a direction away from the second end of the soldering iron tip body.

[0010] According to one embodiment of the present invention, the second limiting part has an opening that penetrates the outer peripheral wall of the soldering iron tip body, and the solder feeding part includes an arc-shaped guiding surface provided at a position corresponding to the opening, so as to guide the molten solder material to the cross soldering point of the wire and the plug-in component.

[0011] According to one embodiment of the present invention, the soldering iron tip body is made of copper material, and at least a plating layer is provided on the arc-shaped guide surface.

[0012] According to one embodiment of the present invention, the second end of the soldering iron tip body opposite to the first end is provided with a blind hole extending axially for receiving a heating wire.

[0013] According to one embodiment of the present invention, the soldering iron tip further includes a cylindrical bracket connected to the second end of the soldering iron tip body opposite to the first end by means of punching and riveting, so as to connect the soldering iron tip body to the heating module of the soldering equipment.

[0014] According to another aspect of the present invention, a soldering device is provided, which includes a three-axis motion device, a heating module, a solder feeding assembly, and a soldering iron tip as described above. The heating module is connected to the three-axis motion device, the soldering iron tip is fixed to the heating module, and the solder feeding assembly is connected to the heating module on one side of the soldering iron tip.

[0015] The soldering iron tip of this invention fixes the ends of the wire located on both sides of the plug-in component with a first limiting part, and fixes the ends of the connector terminal located on both sides of the wire with a second limiting part. This fixes the wire and the connector terminal together abutting against each other. Then, the solder liquid is guided to the cross soldering point of the wire and the connector through the solder feeding part. After cooling, a 360° full-encirclement solder joint is formed at the cross soldering point. This ensures that there is no gap between the connector and the wire after soldering, improving the soldering stability and quality reliability. Attached Figure Description

[0016] The features and advantages of this utility model will become clear from the following detailed description provided with reference to the accompanying drawings. It should be understood that the following drawings are merely schematic and not necessarily drawn to scale, and therefore should not be considered as limitations on this utility model, wherein:

[0017] Figure 1 A perspective view of a soldering apparatus according to an embodiment of the present invention is shown.

[0018] Figure 2 Show Figure 1 A magnified view of part A of the soldering equipment shown.

[0019] Figure 3 Show Figure 1 The diagram shows the interaction between the soldering iron tip and the connector during soldering.

[0020] Figure 4 Show Figure 3 The image shows a three-dimensional view of the soldering iron tip body.

[0021] Figure 5 Show Figure 3 The top view of the soldering iron tip and connector shown.

[0022] Figure 6 Show Figure 3 The soldering iron tip and connector shown are sectional views along line BB.

[0023] Figure 7 Show Figure 3 The soldering iron tip and connector shown are in cross-sectional view along line CC.

[0024] Explanation of reference numerals in the attached figures:

[0025] 10. Three-dimensional motion device; 11. Mounting bracket; 12. Clamping part; 20. Heating module; 30. Solder feeding assembly; 40. Soldering tip; 41. Soldering tip body; 411. First limiting part; 412. Second limiting part; 413. Solder feeding part; 414. U-shaped hole; 415. Inclined surface; 416. Arc-shaped guide surface; 417. Blind hole; 42. Bracket; 50. Insertion component; 51. Terminal block; 52. Slot; 60. Locking nut; 70. Space. Detailed Implementation

[0026] Embodiments of the present invention are described below with reference to the accompanying drawings. In the following description, numerous specific details are set forth to enable those skilled in the art to more fully understand and implement the present invention. However, it will be apparent to those skilled in the art that implementations of the present invention may not include some of these specific details. Furthermore, it should be understood that the present invention is not limited to the specific embodiments described. Rather, the present invention can be conceived to be implemented with any combination of the features and elements described below, regardless of whether they relate to different embodiments. Therefore, the following aspects, features, embodiments, and advantages are for illustrative purposes only and should not be construed as elements or limitations of the claims unless expressly set forth in the claims.

[0027] The terms "first" and "second" are used below to describe the elements of this application. These terms are used only to distinguish the individual elements and not to limit the nature, order, or number of these elements. The terms "comprising" and "having" are used to indicate an open-ended inclusion and mean that there may be additional elements / components besides those listed.

[0028] Figure 1 A soldering apparatus according to an embodiment of the present invention is shown. Figure 2 This shows a partial enlarged view of point A on the soldering equipment. (See attached image.) Figure 1 and Figure 2 As shown, the soldering equipment according to this embodiment may include a three-axis motion device 10, a heating module 20, a solder feeding assembly 30, and a soldering iron tip 40.

[0029] Continue to refer to Figure 1 and Figure 2 As shown, the three-axis motion device 10 of this embodiment may include a suspended mounting bracket 11, which can move along three independent linear axes (X-axis, Y-axis, and Z-axis) that are perpendicular to each other, thereby allowing the mounting bracket 11 to be placed at any position in a certain three-dimensional space. In this embodiment, the plug-in members 50 are arranged along the X-axis direction. If there is only one welding point on the plug-in member 50, then the mounting bracket 11 can move only along the X-axis. If there are multiple welding points on the plug-in member 50 arranged along the X-axis and Y-axis directions, the mounting bracket 11 can move along the X-axis and Y-axis and be placed at any position in a plane perpendicular to the Z-axis. In other embodiments, if there are multiple welding points on the plug-in member 50 arranged in a three-dimensional space composed of the X-axis, Y-axis, and Z-axis, the mounting bracket 11 needs to move along the X-axis, Y-axis, and Z-axis respectively.

[0030] The heating module 20 is fixed to the mounting bracket 11 of the three-axis motion device 10 and can move together with the mounting bracket 11 in three-dimensional space. The heating module 20 is generally cylindrical in shape, and the corresponding mounting bracket 11 has two clamping parts 12 that are opposite to each other. The two clamping parts 12 cooperate with each other to clamp the upper part of the heating module 20, so that the lower middle part of the heating module 20 is suspended.

[0031] The solder feeding assembly 30 is fixed to the middle of the heating module 20 and extends along the X-axis and / or Y-axis, so that when the solder wire is fixed to the solder feeding assembly 30, one end of it can be tilted toward the mounting position of the soldering iron tip 40.

[0032] The soldering tip 40 is inserted into the lower end of the heating module 20 and secured to the lower part of the heating module 20 via a locking nut 60. A heating wire (not shown) for conducting heat passes through the middle of the heating module 20 and abuts against the soldering tip 40, thereby conducting the heat generated by the heating module 20 to the soldering tip 40 and heating it. Once the solder wire abutting against the soldering tip 40 reaches its melting temperature, it flows to the soldering point under the guiding action of the soldering tip 40.

[0033] Figure 3 , Figures 5 to 7 A schematic diagram of the soldering iron tip 40 and the connector 50 during soldering according to this embodiment is shown. In this embodiment, the connector 50 can be an interface connector for connecting different components in an electronic device or system, which includes components located at... Figure 3 The left-hand first section and the right-hand second section. The first section of the connector 50 has multiple terminals 51 arranged side-by-side or staggered, and the second section has a connector housing and pins adapted to interfaces with electronic devices and systems. Each terminal 51 has a U-shaped solder groove. On one side of the connector 50 ( Figure 3 The left side (shown in the diagram) has multiple slots 52 for wires to enter. The number of slots 52 corresponds to the number of terminals 51, allowing wires to pass through the corresponding slots 52 and straddle the solder grooves of the corresponding terminals 51. That is, the wire enters the solder groove from one side and extends slightly from the other side, enabling the wire to cross the terminal 51 and be soldered at the intersection. The difference between the width of the solder groove and the wire diameter makes it difficult to maintain consistent soldering points for terminals 51 at the same position on each connector 50. The soldering iron tip 40 of this invention effectively solves this problem.

[0034] refer to Figure 3 As shown, the soldering tip 40 according to this embodiment is mainly used for cross-soldering wires (not shown) and connectors 50, and may include a soldering tip body 41. Figure 4The structure of the soldering iron tip body 41 is shown. The soldering iron tip body 41 may include a first end ( Figure 3 and Figure 4 The lower end shown), the second end ( Figure 3 and Figure 4 The soldering tip body 41 has a first limiting part 411, a second limiting part 412, and a solder feeding part 413 at its first end. After the wire is straddled on the solder groove of the terminal 51, the intersection of the wire and the connector 50 is located in the solder groove. The first limiting part 411 fixes the ends of the wire located on both sides of the solder groove, and the second limiting part 412 fixes the ends of the connector 50 located on both sides of the solder groove (that is, the two ends of the terminal 51). The first end of the solder wire abuts against the solder feeding part 413, and the heating wire after being heated by the heating module 20 abuts against the soldering tip body 41. The solder liquid formed after the solder wire is heated and melted flows through the soldering tip body 41 to the intersection of the wire and the connector 50 and cools to form a 360° full-encirclement solder joint at the intersection. This ensures that there is no gap between the connector 50 and the wire after soldering, improving the soldering stability and quality reliability.

[0035] Optionally, refer to Figure 3 , Figure 4 and Figure 7 As shown, the second limiting part 412 is recessed inward along the axial direction of the soldering iron tip body 41 at the first end of the soldering iron tip body 41, and along... Figure 4 Direction a penetrates the peripheral wall of the soldering iron tip body 41 in the direction a, thereby forming first limiting portions 411 on both sides of the second limiting portion 412. The two first limiting portions 411 are arranged opposite each other along direction b, which is perpendicular to direction a. The two first limiting portions 411 abut against the two ends of the wire protruding from the solder groove, thereby pressing these two ends of the wire against the surface of the connector 50 from which the terminal 51 protrudes. The terminal 51 of the connector 50 is received within the second limiting portion 412 and abuts against the bottom of the second limiting portion 412 extending into the soldering iron tip body 41.

[0036] Furthermore, to more precisely limit the wire, a U-shaped hole 414 is provided in the middle of each first limiting part 411. The U-shaped holes 414 on the two first limiting parts 411 are arranged opposite to each other in direction b, and the diameter of the U-shaped hole is approximately the same as the wire core, so that the soldering iron tip 40 can fix each plug component and wire in the same position after setting the predetermined specific coordinate position of the three-axis motion device, so as to further ensure the soldering consistency of the plug components.

[0037] refer to Figures 5 to 7As shown, the depth of the U-shaped hole 414 is greater than the depth of the solder groove on the terminal 51 of the plug-in member 50, so that the bottom of the U-shaped hole 414 (i.e., Figure 6 The upper half shown) and the bottom of the solder groove of terminal 51 (that is) Figure 6 The lower half (shown) together define a space 70 for receiving the wire. This allows the wire to be contained at the bottom of the solder groove of the terminal 51. Furthermore, the end of each first limiting part 411 extends below the terminal 51 of the wire and the connector 50, allowing solder to be drawn more quickly to the area below the intersection of the wire and the terminal 51.

[0038] refer to Figure 3 and Figure 4 As shown, according to this embodiment, at least one of the first limiting portions 411 has an inclined surface 415 on the peripheral wall of the first end of the soldering iron tip body 41. This inclined surface 415 gradually approaches the axial center of the soldering iron tip body 41 in a direction away from the second end of the soldering iron tip body 41, such that the inclined surface 415 approaches the intersection of the wire and the terminal 51 as it gets closer to its end. Therefore, during the process of the first limiting portion 411 abutting against the wire, the insulation of the wire can be pushed away from the intersection of the wire and the terminal 51, thereby ensuring that the wires on both sides of the terminal 51 are encased in solder. Figure 7 As shown. Of course, in order to facilitate the adjustment of the position, orientation, soldering operation and application of the soldering iron tip 40 during the working process, the soldering iron tip body 41 can also be provided with inclined surfaces 415 on the peripheral walls corresponding to the two first limiting parts 411 respectively.

[0039] Continue to refer to Figure 3 and Figure 4 As shown, the second limiting part 412 penetrates the peripheral wall of the soldering iron tip body 41 along direction a, thereby forming two openings opposite to each other on the peripheral wall. The solder feeding part 413 may include an arc-shaped guide surface 416 provided on the peripheral wall of the soldering iron tip body 41 corresponding to each opening (see...). Figure 6 The arc-shaped flow guide surface 416 gradually approaches the axial center of the soldering iron tip body 41 in a direction away from the second end of the soldering iron tip body 41, and has an overall concave arc shape extending along the axial direction of the soldering iron tip body 41. This allows the molten solder material to flow along the arc-shaped flow guide surface 416 to the intersection of the wire and the connector 50. Furthermore, the arc-shaped flow guide surface 416 increases the heating area for the solder wire, which can improve heating efficiency while preventing solder liquid from overflowing. Referring to the setting of the inclined surface 415, the arc-shaped flow guide surface 416 can also be a single surface, and is only provided on the peripheral wall of the soldering iron tip body 41 corresponding to one of the openings.

[0040] The soldering iron tip body 41 is typically made of copper, a material with good thermal conductivity. However, copper is not wear-resistant and has high compatibility with tin. Therefore, according to this embodiment, the soldering iron tip body 41 has a plating layer, such as a chromium plating layer, at least on the arc-shaped flow guide surface 416, which can increase the wear resistance of the soldering iron tip body 41 while preventing solder from sticking during use. Of course, the soldering iron tip body 41 can also have a plating layer on its entire outer periphery.

[0041] refer to Figure 4 and Figure 6 As shown, the soldering iron tip body 41 also has a blind hole 417 recessed inward along the axial direction at its second end. The heating wire can pass through the heating module 20 and be inserted into the blind hole 417, so that the heat generated by the heating module 20 can be conducted from the inside of the soldering iron tip body 41 to the outside through the heating wire, which improves the heating efficiency of the soldering iron tip body 41 and does not generate induced electricity.

[0042] Optionally, the soldering iron tip 40 according to this embodiment may further include a support 42, such as... Figure 3 and Figure 6 As shown. The outer periphery of the connecting end of the soldering iron tip body 41 has a stepped structure to divide the connecting end into a first part with a larger diameter that connects to the first end of the soldering iron tip body 41 and a second part with a smaller diameter that connects to the second end of the soldering iron tip body 41. The support 42 is generally cylindrical and is riveted to the second part and abuts against the first part, thereby surrounding the outer periphery of the second end of the soldering iron tip body 41 and extending upwards away from the first end of the soldering iron tip body 41, as shown. Figure 6 As shown. The upwardly extending portion of the bracket 42 can be fitted onto the lower part of the heating module 20 and secured by a locking nut 60, as shown. Figure 1 and Figure 2 As shown.

[0043] This utility model also provides a soldering device, which may include a three-axis motion device 10, a heating module 20, a solder feeding assembly 30, and the aforementioned soldering iron tip 40.

[0044] As described above, the soldering iron tip 40 of this invention fixes the ends of the wire located on both sides of the terminal 51 of the connector 50 by the first limiting part 411, and fixes the ends of the terminal 51 of the connector 50 located on both sides of the wire by the second limiting part 412, thereby fixing the wire and the terminal 51 of the connector 50 together abutting against each other. The solder liquid guided to the intersection of the wire and the connector 50 by the solder feeding part 413 cools and forms a 360° all-encompassing solder joint at the intersection, ensuring no gap between the connector 50 and the wire after soldering, thus improving soldering stability and quality reliability.

[0045] In addition, while the solder wire against the solder feeding part 413 is heated and melted by the soldering iron tip body 41, the wire and the terminal 51 of the connector 50 can also be heated by the first limiting part 411 and the second limiting part 412, which shortens the time for the wire and the connector 50 to be heated by heat conduction.

[0046] Furthermore, the lower end of the first limiting part 411 extends below the terminal 51 of the wire and the plug member 50, which can more quickly guide the solder liquid to the area below the intersection of the wire and the terminal 51.

[0047] Various modifications and variations can be made to the embodiments disclosed above without departing from the scope or spirit of this invention. Other embodiments of this invention will be apparent to those skilled in the art based on the practice of this invention disclosed in this specification. This specification and the examples disclosed herein should be considered illustrative only, and the true scope of this invention is defined by the appended claims and their equivalents.

Claims

1. A soldering iron tip (40) for cross-soldering wires to a connector (50), characterized in that, The soldering tip (40) includes a cylindrical soldering tip body (41) and a first limiting part (411), a second limiting part (412) and a solder feeding part (413) disposed at a first end of the soldering tip body. The first limiting part (411) is configured to fix the wire on both sides of the soldering point between the wire and the plug member (50). The second limiting part (412) is configured to fix the plug member on both sides of the soldering point between the plug member and the wire. The solder feeding part is configured to deliver solder to the intersection of the wire and the plug member when the wire and the plug member are fixed.

2. The soldering iron tip according to claim 1, characterized in that, The second limiting portion (412) is recessed inward along the axial direction of the soldering iron tip body and is used to receive the plug-in member, so that two first limiting portions (411) opposite to each other are formed on both sides of the second limiting portion.

3. The soldering iron tip according to claim 2, characterized in that, The two first limiting portions (411) are respectively provided with U-shaped holes (414) to receive the ends of the wire located on both sides of the welding point with the plug member.

4. The soldering iron tip according to claim 3, characterized in that, The depth of the U-shaped hole (414) is configured to define a space (70) for receiving the wire together with the top of the plug member at the welding point with the wire.

5. The soldering iron tip according to claim 3, characterized in that, An inclined surface (415) is provided on the portion of the peripheral wall of the first end of the soldering iron tip body (41) corresponding to at least one of the two first limiting portions. The inclined surface gradually approaches the axial center of the soldering iron tip body in a direction away from the second end of the soldering iron tip body.

6. The soldering iron tip according to claim 2, characterized in that, The second limiting part (412) has an opening that penetrates the outer peripheral wall of the soldering iron tip body, and the solder feeding part (413) includes an arc-shaped guide surface (416) provided at a position corresponding to the opening, so as to guide the molten solder material to the cross soldering point of the wire and the plug member.

7. The soldering iron tip according to claim 6, characterized in that, The soldering iron tip body (41) is made of copper and has a plating layer on at least the arc-shaped guide surface.

8. The soldering iron tip according to any one of claims 1 to 7, characterized in that, The second end of the soldering iron tip body (41) opposite to the first end is provided with a blind hole (417) extending axially for receiving a heating wire.

9. The soldering iron tip according to any one of claims 1 to 7, characterized in that, The soldering tip (40) also includes a cylindrical bracket (42) connected to the second end of the soldering tip body (41) opposite to the first end by means of riveting, so as to connect the soldering tip body to the heating module (20) of the soldering equipment.

10. A soldering device, characterized in that, The device includes a three-axis motion device (10), a heating module (20), a solder feeding assembly (30), and a soldering tip (40) according to any one of claims 1 to 9, wherein the heating module is connected to the three-axis motion device, the soldering tip is fixed to the heating module, and the solder feeding assembly is connected to the heating module on one side of the soldering tip.

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