CN218575314U

CN218575314U - Multi-core solder wire suitable for automatic robot welding and forming die thereof

Info

Publication number: CN218575314U
Application number: CN202221185253.7U
Authority: CN
Inventors: 吴江辉; 夏伟东; 李晖
Original assignee: Hangzhou Youbang Soldering Material Co ltd
Current assignee: Hangzhou Youbang Soldering Material Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2023-03-07
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a multicore solder wire suitable for robot automatic weld and moulded die thereof. The soldering tin wire body of the utility model comprises a plurality of water drop-shaped core holes, the periphery is distributed more, the center is distributed less, the soldering flux is distributed uniformly in the soldering tin wire and is closer to the surface of the soldering tin wire, the heating time is short during welding, the soldering tin wire is easier to melt, the wetting property of the soldering flux is better and more uniform, and the splashing phenomenon can not be generated; the welding robot is particularly suitable for automatic welding of robots; the pore-forming structure on the inner hole forming die head is the distribution shape of the brazing flux, the pore-forming die can determine the size through simple calculation for processing, one pore-forming die corresponds to one pore shape of the brazing flux, the pore is formed in the straight direction, and the pore diameter is fixed and formed, so the pore diameter formed in the soldering tin wire is uniform, the content of the injected brazing flux is controlled accurately, and the core is not broken.

Description

Multi-core solder wire suitable for automatic robot welding and forming die thereof

Technical Field

The utility model relates to a solder wire technical field especially relates to a multicore solder wire suitable for robot automatic weld and moulded die thereof.

Background

The soldering tin wire as a low-temperature welding material has the advantages of simple use, convenient operation, good reliability, superior performance, wide application and the like, and the product is widely applied to the industries of electronics and electricians, electrical equipment, aerospace, instruments and meters, household appliances, communication, illumination and the like.

In the soldering tin wire produced by the traditional forming process, the soldering flux is intensively distributed in the core hole at the center of the soldering tin wire, the soldering flux is unevenly distributed in the soldering tin wire, higher welding temperature and longer welding time are needed during welding, and the soldering flux is uneven in wetting of a welding surface due to uneven heating of the soldering tin wire, so that the welding effect is influenced. Because of the brazing flux concentrates on the solder wire center, stress during extrusion is all concentrated inside the solder wire, leads to the phenomenon of splashing that can produce when the welding, produces the potential safety hazard to the welding workman, produces the quality hidden danger to the welding product.

Therefore, in the prior art, multi-core solder wires suitable for automatic welding of a robot are designed to achieve more uniformity of the surfaces of the solder wires and the soldering flux, and certainly, the uniformity of the surfaces of the solder wires and the soldering flux can be achieved to the greatest extent by means of honeycomb shape, but the solder wires are fine, the core holes are small and easy to block, and the core holes are large and easy to break. Therefore, a multi-core solder wire suitable for automatic robot welding needs to be arranged, so that the surface of the solder wire and the soldering flux are more uniform, and sufficient strength and toughness are maintained. The automatic welding robot is particularly suitable for automatic welding of robots.

Meanwhile, the forming die of the multi-core solder wire suitable for automatic welding of the robot needs to be arranged for large-scale production.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a multicore solder wire suitable for robot automatic weld and moulded die thereof.

The utility model adopts the following technical scheme:

the utility model provides a multicore solder wire suitable for automatic weld of robot, includes the solder wire body, and this internal along the circumference of solder wire evenly sets up a plurality of sections and is the water droplet shape core hole of water droplet form, and the downthehole injection of water droplet shape core has the brazing flux, and the pointed end of water droplet shape core hole top is directional solder wire body center.

Preferably, four water drop-shaped core holes are uniformly formed in the solder wire body along the circumference.

Preferably, the cross section of the water drop-shaped core hole consists of a semicircle and an isosceles right triangle, and the four water drop-shaped core holes are separated in a cross shape.

Preferably, the diameter of the semi-circle is 20% of the diameter of the solder wire body.

The forming die comprises a forming die body, the forming die body comprises an inner hole forming die and an outer circle forming die, a forming area of the multi-core soldering wire in a plurality of water-drop-shaped core hole shapes is formed between the inner hole forming die and the outer circle forming die, a flow guide conical surface is arranged in the middle of the inner hole forming die, the front end of the flow guide conical surface is provided with a connecting end, the connecting end is connected with a soldering flux injection channel, a soldering flux adding port is arranged in the connecting end, the rear end of the flow guide conical surface is connected with a plurality of inner hole pore-forming straight pipes with water-drop-shaped sections, the centers in the inner hole pore-forming straight pipes are respectively provided with a soldering flux injection hole, and the soldering flux injection holes are communicated with a soldering flux adding port.

Preferably, the connection end is provided with an external thread, and the connection end is connected with the brazing flux injection channel through a thread.

The utility model has the advantages that: (1) The utility model designs a be applicable to automatic welding's of robot multicore solder wire, include a plurality of water droplet shape core holes in the solder wire body, the peripheral distribution is many, and central distribution is few, makes the borer agent distribute in the solder wire evenly and more press close to the solder wire surface, and the heating time is short during the welding, and the solder wire melts more easily, and borer agent wettability is better more even, and can not produce the phenomenon of splashing; the welding robot is particularly suitable for automatic welding of a robot; (2) The pore-forming structure on the inner hole forming die head is the brazing flux distribution shape, the pore-forming die can determine the size through simple calculation, one pore-forming die corresponds to one brazing flux hole shape, the straight-direction forming and the sizing pore-forming are carried out, so the aperture formed in the solder wire is uniform, the content of the brazing flux injected is controlled accurately, and the core is not broken.

Drawings

Fig. 1 is a schematic structural view of a multi-core solder wire suitable for robotic automatic welding according to the present invention;

FIG. 2 is a schematic structural view of the inner hole forming mold of the present invention;

FIG. 3 is a schematic view of a structure from another angle of FIG. 2;

FIG. 4 is a schematic view of a structure of the forming die of the present invention;

in the figure: 1. the soldering tin wire comprises a soldering tin wire body, 2 parts of a water drop-shaped core hole, 3 parts of an inner hole forming die, 4 parts of a connecting end, 5 parts of a flow guide conical surface, 6 parts of an inner hole forming straight pipe, 7 parts of a soldering flux injection hole, 8 parts of a soldering flux adding port, 9 parts of a forming die body, 10 parts of an outer circle forming die.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example (b): as shown in figure 1, the multi-core solder wire suitable for automatic robot welding comprises a solder wire body 1, four water-drop-shaped core holes 2 with water-drop-shaped cross sections are uniformly formed in the solder wire body along the circumference, soldering flux is injected into the water-drop-shaped core holes, and the top tips of the water-drop-shaped core holes point to the center of the solder wire body.

The cross section of the drop-shaped core hole consists of a semicircle and an isosceles right triangle, and four drop-shaped core holes are separated in a cross shape. The diameter of the semicircle is 3.2mm. The diameter of the solder wire body is 16mm.

As shown in fig. 2-4, the forming die for multi-core solder wires suitable for automatic robot welding comprises a forming die body 9, wherein the forming die body comprises an inner hole forming die 3 and an outer circle forming die 10, a forming area of the multi-core solder wires with a plurality of water drop-shaped core holes is formed between the inner hole forming die and the outer circle forming die, a flow guiding conical surface 5 is arranged in the middle of the inner hole forming die, a connecting end 4 is arranged at the front end of the flow guiding conical surface and is connected with a soldering flux injection channel, a soldering flux adding port is arranged in the connecting end, the rear end of the flow guiding conical surface is connected with a plurality of inner hole straight pipes 6 with water drop-shaped cross sections, a soldering flux injection hole 7 is respectively arranged in the inner center of each inner hole straight pipe hole forming, and the soldering flux injection hole is communicated with a soldering flux adding port 8. The connecting end is provided with external threads and is connected with the brazing flux injection channel through threads.

This multicore solder wire suitable for robot automatic weld adds man-hour, tin is impressed from last mould, get into excircle moulded die cavity, and collect the shaping district to the multicore solder wire of four water droplet shape core hole shapes along the water conservancy diversion conical surface, form appearance and four water droplet shape core holes at the shaping district of multicore solder wire, add mouthful synchronous injection entering with the soldering flux from the soldering flux in extrusion process, and pour into four water droplet shape core holes through the soldering flux filling hole, because the adoption is straight to the shaping, the sizing pore-forming, the aperture that so forms in the solder wire is even, the soldering flux content control of injecting is accurate, can not break the core. Different brazing flux contents can be accurately controlled by replacing forming dies with different outer diameters.

During this multicore solder wire suitable for robot automatic weld, soldering flux distributes evenly and more presses close to the solder wire surface in the solder wire, and heat time is short during the welding, and the solder wire melts more easily, and soldering flux wettability is better more even, and can not produce the phenomenon of splashing. The automatic welding robot is particularly suitable for automatic welding of robots.

The above-described embodiment is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the invention as set forth in the claims.

Claims

1. The utility model provides a multicore solder wire suitable for automatic weld of robot, includes the solder wire body, characterized by, this internal along the circumference of solder wire evenly seted up a plurality of sections and be the water droplet shape core hole of water droplet form, the downthehole injection of water droplet shape core has the brazing flux, and the pointed end of water droplet shape core hole top is directional solder wire body center.

2. The multi-core solder wire suitable for automatic robot welding as claimed in claim 1, wherein four drop-shaped core holes are uniformly arranged along the circumference in the solder wire body.

3. The multi-core solder wire suitable for robotic automatic soldering as claimed in claim 2, wherein the cross-section of the drop-shaped core hole is composed of a semicircle and an isosceles right triangle, and four drop-shaped core holes are separated in a cross-shape.

4. A multi-core solder wire adapted for robotic automated soldering as claimed in claim 3 wherein the diameter of the semi-circle is 20% of the diameter of the solder wire body.

5. A multi-core solder wire forming die suitable for automatic robot welding as claimed in any one of claims 1 to 4, which comprises a die body including an inner hole forming die and an outer circle forming die, a plurality of water-drop-shaped multi-core solder wire forming regions are formed between the inner hole forming die and the outer circle forming die, a flow guiding conical surface is provided in the middle of the inner hole forming die, a connecting end is provided at the front end of the flow guiding conical surface, the connecting end is connected with a soldering flux injection channel, a soldering flux adding port is provided in the connecting end, a plurality of inner hole forming straight tubes with water-drop-shaped cross sections are connected to the rear end of the flow guiding conical surface, a soldering flux injection hole is provided in the center of each inner hole forming straight tube, and the soldering flux injection hole is communicated with the soldering flux adding port.

6. The forming die for multi-core solder wires suitable for robotic automatic soldering according to claim 5, wherein the connecting end is provided with external threads, and the connecting end is connected with the solder injection channel by threads.