CN213672326U

CN213672326U - Nozzle and welding equipment

Info

Publication number: CN213672326U
Application number: CN202021948066.0U
Authority: CN
Inventors: 张恒; 冯艳军
Original assignee: KURTZ ELECTROMECHANICAL EQUIPMENT (SHANGHAI) CO LTD
Current assignee: KURTZ ELECTROMECHANICAL EQUIPMENT (SHANGHAI) CO LTD
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-07-13
Anticipated expiration: 2030-09-08

Abstract

The application provides a nozzle and welding equipment, relates to circuit board welding technology field. The nozzle includes a body, a solder tube, a dispensing member, and a plurality of solder spray holes. The body has a first chamber therein, and the dispensing member is located within the first chamber. The tin spraying hole is communicated with the first chamber, and the tin soldering pipe is communicated with the distribution piece. Solder can be uniformly distributed to the first chamber through the distribution member via the solder tube and ejected from the solder spray hole. The welding device comprises the nozzle. This nozzle is provided with the distributor, and the soldering tin pipe is through the distributor with soldering tin evenly distributed to first cavity, and after first cavity was filled up, soldering tin was extruded through the tin spraying hole to it is even to make a plurality of soldering tin holes tin spraying. The tin spraying holes of the welding equipment are even in tin spraying, and the welding effect is good.

Description

Nozzle and welding equipment

Technical Field

The application relates to the technical field of circuit board welding, in particular to a nozzle and welding equipment.

Background

In the prior art, a plurality of tin spraying holes of the nozzle do not spray tin uniformly.

SUMMERY OF THE UTILITY MODEL

An object of the embodiments of the present application is to provide a nozzle, which aims to improve the problem of uneven tin spraying of a tin spraying hole in the related art.

The embodiment of the application provides a nozzle, and the nozzle comprises a main body, a soldering tin pipe, a distribution piece and a plurality of soldering tin holes. The body has a first chamber therein, and the dispensing member is located within the first chamber. The tin spraying hole is communicated with the first chamber, and the tin soldering pipe is communicated with the distribution piece. Solder can be uniformly distributed to the first chamber through the distribution member via the solder tube and ejected from the solder spray hole. This nozzle is provided with the distributor, and the soldering tin pipe is through the distributor with soldering tin evenly distributed to first cavity, and after first cavity was filled up, soldering tin was extruded through the tin spraying hole to it is even to make a plurality of soldering tin holes tin spraying.

As an optional technical solution of the embodiment of the present application, a plurality of solder spraying holes are distributed at intervals in a preset direction. Through with a plurality of tin spraying holes at the direction interval distribution of predetermineeing, be convenient for once only weld great length.

As an alternative solution to the embodiments of the present application, the main body has a welding wall surrounding the plurality of solder spray holes. The welding wall is in a runway shape, and the length direction of the welding wall is parallel to the preset direction. The welding wall is provided in a race track shape so that a wide range can be welded in the longitudinal direction of the welding wall.

As an optional technical scheme of the embodiment of the application, the nozzle comprises a protective gas pipe and a gas injection hole, and a second cavity is arranged in the main body. The protective air pipe is communicated with the second cavity, and the air injection hole is communicated with the second cavity. And the protective gas enters the second chamber through the protective gas pipe, is discharged from the gas orifice after being filled in the second chamber, and assists in welding.

As an optional technical scheme of this application embodiment, be provided with the jet-propelled hose in the second chamber, the jet-propelled hose is around setting up on the inner wall of second chamber. The air injection hose is provided with a plurality of through holes, and the protection air pipe is communicated with the second cavity through the air injection hose. The air injection hose is arranged on the inner wall of the second chamber, so that the protective air entering the second chamber from the protective air pipe is uniformly distributed in the second chamber, and the plurality of air injection holes uniformly inject the protective air.

As an alternative solution to the embodiments of the present application, the main body has a protection wall, and the protection wall surrounds the welding wall. The gas injection holes are located between the protection wall and the welding wall. The gas injection hole is arranged between the protection wall and the welding wall, so that auxiliary welding is facilitated.

As an optional technical scheme of the embodiment of the application, the nozzle comprises a tin return pipe, the tin return pipe is connected with the main body, and the tin return pipe is used for recovering redundant tin materials sprayed out of the tin spraying hole. And the tin return pipe is arranged, so that the redundant soldering tin sprayed out from the tin spraying hole can be conveniently recovered.

As an optional technical scheme of the embodiment of the application, one side of the welding wall, which is close to the protection wall, is provided with a tin return inclined plane, the bottom of the tin return inclined plane is provided with a tin return hole, and the tin return hole is communicated with a tin return pipe. The excessive soldering tin sprayed out from the tin spraying hole gradually slides down through the tin returning inclined plane, falls into the tin returning hole and is recovered through the tin returning pipe.

As an optional technical scheme of the embodiment of the application, the distribution part is positioned in the middle of the first chamber and comprises a first nozzle and a second nozzle, and the spraying directions of the first nozzle and the second nozzle form an included angle of 90 degrees (approximately V-shaped). The distribution part is arranged in the middle of the first cavity, and the soldering tin is sprayed to the two sides of the distribution part from the first nozzle and the second nozzle respectively after entering the distribution part through the soldering tin pipe, so that the soldering tin can be uniformly distributed to the first cavity.

The embodiment of the application also provides welding equipment, and the welding equipment comprises the nozzle in any one of the above items. The tin spraying holes of the welding equipment are even in tin spraying, and the welding effect is good.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic structural diagram of a nozzle provided in an embodiment of the present application;

fig. 2 is a cross-sectional view of a nozzle provided in an embodiment of the present application.

Icon: 10-a nozzle; 100-a body; 110-a welding wall; 120-a first chamber; 130-a second chamber; 140-a jet hose; 150-a dispensing member; 160-protective walls; 170-reflow of tin slope; 200-soldering tin tube; 300-tin spraying holes; 400-protection of the trachea; 500-reflow of solder.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, refer to the orientation or positional relationship as shown in the drawings, or as conventionally placed in use of the product of the application, or as conventionally understood by those skilled in the art, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.

Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Examples

Referring to fig. 1 and fig. 2, the present embodiment provides a nozzle 10, wherein the nozzle 10 includes a main body 100, a solder tube 200, a distribution member 150, and a plurality of solder spraying holes 300. The body 100 has a first chamber 120 therein, and the dispensing member 150 is located in the first chamber 120. The nozzle 300 communicates with the first chamber 120, and the solder tube 200 communicates with the dispenser 150. The solder can be uniformly distributed to the first chamber 120 through the distribution member 150 via the solder tube 200 and ejected from the solder ejection holes 300. The nozzle 10 is provided with a distribution member 150, and the solder tube 200 uniformly distributes the solder to the first chamber 120 through the distribution member 150, and when the first chamber 120 is filled, the solder is extruded through the solder spraying holes 300, so that the solder spraying from the plurality of solder spraying holes is uniform.

Referring to fig. 2, in the present embodiment, the distribution member 150 is located in the middle of the first chamber 120, and the distribution member 150 includes a first nozzle and a second nozzle, and the spraying directions of the first nozzle and the second nozzle form an included angle of 90 ° (approximately V-shaped). The distributing member 150 is disposed in the middle of the first chamber 120, and the solder enters the distributing member 150 through the solder tube 200 and then is sprayed out from the first nozzle and the second nozzle, respectively, and uniformly sprayed to both sides of the distributing member 150, so that the solder can be uniformly distributed to the first chamber 120. In an alternative embodiment, the distribution member 150 includes a plurality of nozzles, which are equally spaced around the circumference, and the solder is injected from the plurality of nozzles into the distribution member 150 through the solder tube 200, so that the solder is uniformly distributed to the first chamber 120. In another alternative embodiment, the distribution member 150 is located on the bottom wall of the first chamber 120 and extends towards the preset direction, and the distribution member 150 is provided with a plurality of nozzles, and the plurality of nozzles are distributed at equal intervals in the preset direction. Thus, the solder can be uniformly sprayed from the plurality of nozzles to the first chamber 120 even after entering the distribution member 150 through the solder tube 200.

Referring to fig. 1, in the present embodiment, a plurality of solder spraying holes 300 are distributed at intervals in a predetermined direction. It should be noted that the preset direction can be selected according to actual needs, as long as a plurality of the solder spraying holes 300 are ensured to be located on a straight line. The tin spraying holes 300 are distributed at intervals in the preset direction, so that the soldering with larger length at one time is facilitated. Referring to fig. 1, in the present embodiment, the main body 100 has a welding wall 110, and the welding wall 110 surrounds a plurality of solder spraying holes 300. The welding wall 110 is in a race track shape, and the length direction of the welding wall 110 is parallel to the preset direction. The welding wall 110 is provided in a race track shape so that a wide range can be welded in the length direction of the welding wall 110. In the present embodiment, the welding wall 110 has a racetrack shape. In an alternative embodiment, the welding wall 110 is rectangular.

Referring to fig. 1 and fig. 2, in the present embodiment, the nozzle 10 includes a protection gas pipe 400 and a gas injection hole, and the second chamber 130 is disposed in the main body 100. The shielding gas pipe 400 communicates with the second chamber 130, and the gas injection hole communicates with the second chamber 130. The shielding gas enters the second chamber 130 through the shielding gas pipe 400, and is discharged from the gas injection holes to assist welding after filling the second chamber 130. For convenience of arrangement, in the present embodiment, the second chamber 130 surrounds the first chamber 120, but the first chamber 120 and the second chamber 130 are independent from each other. In the present embodiment, the air injection hose 140 is disposed in the second chamber 130, and the air injection hose 140 is disposed around the inner wall of the second chamber 130. The air injection hose 140 is provided with a plurality of through holes, and the protection air pipe 400 is communicated with the second chamber 130 through the air injection hose 140. The air injection hose 140 is provided on the inner wall of the second chamber 130 such that the shielding gas entering the second chamber 130 from the shielding gas pipe 400 is uniformly distributed in the second chamber 130, so that the plurality of air injection holes uniformly inject the shielding gas.

Referring to fig. 2, in the present embodiment, an air injection hose 140 is disposed in the second chamber 130, and the air injection hose 140 is disposed around an inner wall of the second chamber 130. The air injection hose 140 is provided with a plurality of through holes, and the protection air pipe 400 is communicated with the second chamber 130 through the air injection hose 140. In an optional embodiment, a plurality of through holes are opened on the wall of the second chamber 130, the through holes are uniformly distributed on the wall of the second chamber 130, the protection air tube 400 is divided into a plurality of branches in the main body 100, and each branch is correspondingly communicated with one through hole.

Referring to fig. 1, in the present embodiment, the main body 100 has a protection wall 160, and the protection wall 160 surrounds the welding wall 110. The gas injection holes are located between the protective wall 160 and the welding wall 110. The gas injection holes are provided between the protection wall 160 and the welding wall 110 to facilitate auxiliary welding.

Referring to fig. 1, in the present embodiment, the nozzle 10 includes a solder return tube 500, the solder return tube 500 is connected to the main body 100, and the solder return tube 500 is used for recovering excess solder ejected from the solder spray holes 300. By providing the solder return pipe 500, it is easy to recover the excess solder ejected from the solder ejection hole 300. One side of the soldering wall 110 close to the protection wall 160 is provided with a tin return inclined plane 170, and the bottom of the tin return inclined plane 170 is provided with a tin return hole, and the tin return hole is communicated with the tin return tube 500. The excess solder ejected from the solder spraying hole 300 gradually slides down through the solder returning inclined plane 170, falls into the solder returning hole, and is recovered through the solder returning pipe 500.

The present embodiment provides a nozzle 10, the nozzle 10 including a body 100, a solder tube 200, a distribution member 150, and a plurality of solder spray holes 300. The body 100 has a first chamber 120 therein, and the dispensing member 150 is located in the first chamber 120. The nozzle 300 communicates with the first chamber 120, and the solder tube 200 communicates with the dispenser 150. The solder can be uniformly distributed to the first chamber 120 through the distribution member 150 via the solder tube 200 and ejected from the solder ejection holes 300. The main body 100 has a welding wall 110, the welding wall 110 surrounds the plurality of solder spraying holes 300, the welding wall 110 is in a race track shape, and the length direction of the welding wall 110 is parallel to a predetermined direction. The nozzle 10 includes a protection gas pipe 400 and a gas orifice, the second chamber 130 is provided in the main body 100, the protection gas pipe 400 is communicated with the second chamber 130, and the gas orifice is communicated with the second chamber 130. The body 100 has a protective wall 160, the protective wall 160 surrounding the welding wall 110, and the gas injection holes are located between the protective wall 160 and the welding wall 110. The nozzle 10 includes a solder return pipe 500, the solder return pipe 500 is connected to the main body 100, and the solder return pipe 500 is used for recovering excess solder ejected from the solder ejection holes 300. One side of the soldering wall 110 close to the protection wall 160 is provided with a tin return inclined plane 170, and the bottom of the tin return inclined plane 170 is provided with a tin return hole, and the tin return hole is communicated with the tin return tube 500. The nozzle 10 is provided with a distribution member 150, and the solder tube 200 uniformly distributes the solder to the first chamber 120 through the distribution member 150, and when the first chamber 120 is filled, the solder is extruded through the solder spraying holes 300, so that the solder spraying from the plurality of solder spraying holes is uniform.

The present embodiment also provides a welding apparatus comprising the nozzle 10 described above. The tin spraying holes 300 of the welding equipment are even in tin spraying and good in welding effect.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A nozzle is characterized by comprising a main body, a soldering tin pipe, a distribution piece and a plurality of soldering tin holes, wherein a first cavity is formed in the main body, the distribution piece is located in the first cavity, the soldering tin holes are communicated with the first cavity, the soldering tin pipe is communicated with the distribution piece, and soldering tin can be uniformly distributed to the first cavity through the distribution piece and sprayed out from the soldering tin holes.

2. The nozzle of claim 1, wherein the plurality of spray holes are spaced apart in a predetermined direction.

3. The nozzle of claim 2, wherein the body has a welding wall surrounding the plurality of solder spray holes, the welding wall having a racetrack shape with a length direction parallel to the predetermined direction.

4. The nozzle of claim 3, wherein the nozzle comprises a shield gas tube and a gas orifice, wherein the body has a second chamber disposed therein, the shield gas tube is in communication with the second chamber, and the gas orifice is in communication with the second chamber.

5. The nozzle according to claim 4, wherein an air injection hose is arranged in the second chamber, the air injection hose is arranged on the inner wall of the second chamber in a surrounding manner, the air injection hose is provided with a plurality of through holes, and the protection air pipe is communicated with the second chamber through the air injection hose.

6. The nozzle of claim 4, wherein the body has a protective wall surrounding the welding wall, the gas injection holes being located between the protective wall and the welding wall.

7. The nozzle of claim 6, including a solder return tube coupled to the body for recovering excess solder material ejected from the solder ejection orifice.

8. The nozzle as claimed in claim 7, wherein a tin return inclined plane is arranged on one side of the welding wall close to the protection wall, and a tin return hole is arranged at the bottom of the tin return inclined plane and is communicated with the tin return pipe.

9. The nozzle of claim 1, wherein the distribution member is located in the middle of the first chamber, the distribution member comprises a first spout and a second spout, and the spraying directions of the first spout and the second spout form an included angle of 90 °.

10. Welding apparatus, characterized in that it comprises a nozzle according to any one of claims 1-9.