European-style interface structure of wire feeder

Abstract

The utility model discloses a wire feeder European style interface structure which comprises an interface body, a relay connecting pipe, a quick connection air tap and a flange, a penetrating wire guide hole is formed in the interface body in the axis direction of the interface body, a penetrating wire passing hole is formed in the relay connecting pipe in the axis direction of the relay connecting pipe, and the wire guide hole is communicated with the wire passing hole. An air guide hole of a blind hole structure is formed in the connector body in the axis direction of the connector body, an assembly hole is perpendicularly formed in the side face of the connector body and communicated with the air guide hole, the quick-connection air nozzle is installed on the assembly hole, a plane is arranged at the end, close to the relay connecting pipe, of the connector body, and a plurality of wiring holes are formed in the plane. The European-style connector has the advantages that the European-style connector can be directly connected with a power cable from a welding power source in a terminating mode, the conductive sectional area is greatly increased, the current-carrying capacity is improved, the production defects of overheating, arcing and even damage of the connector under large current are overcome, the applicability of the European-style connector is greatly expanded, and the application range of the European-style connector is widened. And the process stability of matched use of the wire feeder and the high-power welding power supply is effectively ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding machine wire feeding mechanism technical field, concretely is a kind of wire feeder european interface structure. BACKGROUND

[0002] European interface is important equipment component that welding practice is widely applied, it is divided into wire feeder main body and welding torch main body, carries the electrical connection between wire feeder and welding torch, welding energy, cooling medium and necessary control line from welding machine and other components are connected to welding torch.

[0003] For most welding processes of small welding current in application, the existing traditional european central interface can meet the application requirement well.But limited by its component structure, there are some drawbacks in welding actual operation.For example, as shown in the european central interface of the automatic welding wire feeder of patent publication No. Figure 1 CN215200079U, copper joint for electrical connection with welding torch main body is shorter in the component structure of european central interface in prior art, power cable needs to be fixed to relatively slender relay connection copper pipe through wiring clamp block for conduction, which limits the current-carrying capacity of interface conductor to a great extent, when current load exceeds certain value (for example, 600 ampere), interface overheating phenomenon occurs, sometimes arc phenomenon occurs between copper joint and relay connection copper pipe, and even interface is damaged in serious case.This makes wire feeder exist potential risk in application exceeding welding current, and the matching use with high-current welding power supply is greatly limited.Meanwhile, since relay connection copper pipe is relatively slender, there is risk of breakage in use process. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of wire feeder european interface structure to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of wire feeder european interface structure, including interface body, relay connection pipe, quick-connecting air nozzle and flange, the interface body is cylindrical structure, the interface body is equipped with the wire guide hole that penetrates along its axial direction, the relay connection pipe is column table structure, the relay connection pipe is equipped with the wire passing hole that penetrates along its axial direction, the wire guide hole is communicated with wire passing hole, the interface body is equipped with the gas guide hole of blind hole structure along its axial direction, the side surface of the interface body is vertically equipped with assembly hole, the assembly hole is communicated with gas guide hole, the quick-connecting air nozzle is installed on assembly hole, the end of the interface body close to relay connection pipe is equipped with plane, the plane is equipped with a plurality of wiring holes, the interface body is made of high-conductivity metal material, the relay connection pipe is made of insulating material.

[0006] Further preferably, the diameter of the interface body is larger than the maximum end diameter of the relay connecting pipe, and the length of the interface body is larger than the length of the relay connecting pipe, so that the interface body has enough space to process a flat surface on the cylindrical body, facilitating direct termination of the power cable, and improving the overall strength and rotational rigidity of the European interface structure, preventing the relay connecting pipe from being too long and breaking during use.

[0007] Further preferably, the larger-diameter end of the relay connecting pipe is provided with a cylindrical connector, which is connected to the flat end of the interface body and inserted into the guide wire hole, facilitating quick and accurate connection of the relay connecting pipe and the interface body.

[0008] Further preferably, the side of the interface body near the end of the relay connecting pipe is provided with a vertically arranged fixing hole, and the distance from the fixing hole to the end of the interface body near the relay connecting pipe is less than the length of the connector, facilitating fixation of the connector through the fixing hole and ensuring the connection firmness between the relay connecting pipe and the interface body.

[0009] Further preferably, the fixing hole and the wiring hole are both threaded holes, facilitating connection with screws; the connection between the connector and the guide wire hole is any one of screwing, riveting or bonding, which can achieve quick installation of the relay connecting pipe and diversification of the connection method.

[0010] Further preferably, the guide wire hole is a stepped hole, and the guide wire hole is eccentrically arranged to facilitate processing of other axial holes; the interface body is provided with a plurality of control holes, the control holes are blind holes, and the air guide hole and the control hole are arranged around the edge of the guide wire hole, achieving reasonable arrangement of the axial holes and being able to adapt to the termination interface of the welding gun.

[0011] Further preferably, the connection between the quick-connect air nozzle and the assembly hole is screwing or welding, which is convenient to connect and has good air tightness.

[0012] Further preferably, the interface body is provided with a limiting groove away from the end of the relay connecting pipe, the limiting groove is an annular groove arranged around the circumference of the interface body, and is used for connection positioning and limiting between the interface body and the flange.

[0013] Beneficial effects: the wire feeder European interface structure of the utility model, through the length increase of the interface body, the plane is arranged on the interface body, the power cable from the welding power supply can be directly terminated through the plane, the fastening connection part of the relay connection copper pipe and copper joint of the prior art European interface is saved, and the fixed connection structure such as the power cable fixing clamp is also unnecessary, and the cross-sectional area of the interface body is much larger than the cross-sectional area of the relay connection, so that the electric conduction cross-sectional area is greatly improved, and the current carrying capacity is improved, the production drawbacks such as interface overheating, arc starting and even damage under large current are overcome, the applicability of the European interface is greatly expanded, the process stability of the wire feeder and the high-power welding power supply is effectively ensured, and the safety production is further strengthened; and the length of the interface body is increased, the length of the relay connection pipe is reduced, the rotary rigidity of the European interface structure can be improved, the possibility of the relay connection pipe being bent is reduced, and the service life of the European interface is improved;

[0014] The assembly hole is improved from the axial machining of the prior art to radial machining, so that the assembly of the quick-connecting air nozzle is more convenient, and the current carrying capacity can be increased; through the arrangement of the wiring hole, the power cable can be quickly connected; through the structure of the joint and the fixing hole, the connection of the relay connection pipe is more firm;

[0015] The European interface structure integrates the functions of wire feeding and gas feeding, is convenient for the connection of the welding gun, can be applicable to different wire feeding requirements, the overall length remains unchanged, the axial hole maintains the European structure of the prior art, can maximally adapt to and connect the mechanical and electrical connection of the original each type of welding gun end interface, does not need to be additionally developed, and the usability and process consistency of the original matched components are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure diagram of the prior art European interface of the wire feeder disclosed by the background technology of the utility model;

[0017] Figure 2 The axial measurement structure diagram of the European interface structure of the wire feeder disclosed by the embodiment of the utility model;

[0018] Figure 3 The axial measurement structure diagram of the European interface structure of the wire feeder disclosed by the embodiment of the utility model does not contain a flange;

[0019] Figure 4 The exploded structure diagram of the European interface structure of the wire feeder disclosed by the embodiment of the utility model does not contain a flange;

[0020] Figure 5 The axial measurement structure diagram of the European interface structure of the wire feeder disclosed by the embodiment of the utility model does not contain a flange;

[0021] Figure 6The structural schematic view of the interface body is disclosed in the embodiment of the utility model.

[0022] Figure 7 The assembly structure schematic view of the interface structure of the wire feeder and the wire feeder is disclosed in the embodiment of the utility model.

[0023] Reference signs: 1 - interface body, 11 - plane, 12 - wiring hole, 13 - assembly hole, 14 - fixing hole, 15 - wire guide hole, 16 - air guide hole, 17 - control hole, 18 - limiting groove, 2 - relay connecting pipe, 21 - joint, 22 - wire passing hole, 3 - quick connection air nozzle, 4 - flange. DETAILED DESCRIPTION

[0024] The following is the specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0025] For example, Figures 2-7As shown, a wire feeder European interface structure is installed at one end of the wire feeder, realizing the matching use of the wire feeder and the high-power welding power source, and can directly terminate the welding power cable, improve the current carrying capacity of the interface and eliminate various hidden dangers of the interface under large current conditions. The European interface structure comprises an interface body 1, a relay connecting pipe 2, a quick connecting air nozzle 3 and a flange 4, wherein the interface body 1 is a cylindrical structure, the interface body 1 is provided with a wire guide hole 15 penetrating along the axial direction thereof, the interface body 1 is used to connect the relay connecting pipe 2, the quick connecting air nozzle 3, the flange 4 and the welding power cable, and can adapt to various mechanical and electrical connections; the relay connecting pipe 2 is a column table structure, the large-diameter end of the relay connecting pipe 2 is connected with the interface body 1, and the small-diameter end is connected with the wire outlet nozzle; the relay connecting pipe 2 is made of insulating material, which can effectively prevent the electricity on the interface body 1 from being introduced into the wire feeder through the relay connecting pipe 2, and has an insulating effect. The relay connecting pipe 2 can be made of plastic material or other insulating materials. Different from the prior art, only the wire outlet nozzle is made of insulating material, and the insulating performance is much higher than that of the prior art. The relay connecting pipe 2 is provided with a wire passing hole 22 penetrating along the axial direction thereof, the wire guide hole 15 and the wire passing hole 22 are communicated, and are used for guiding the welding wire to ensure the stability and safety of wire feeding; the interface body 1 is provided with a blind hole structure gas guide hole 16 along the axial direction thereof, the side surface of the interface body 1 is vertically provided with an assembly hole 13, the assembly hole 13 is communicated with the gas guide hole 16, the quick connecting air nozzle 3 is installed on the assembly hole 13, and through the arrangement of the quick connecting air nozzle 3 and the gas guide hole 16, the gas is delivered during the welding process, which helps the welding wire to smoothly enter the welding area, that is, the continuous supply of the welding wire, improves the welding quality, and realizes the gas delivery of the gas shielded welding at the same time; and the assembly hole 13 is perpendicular to the side surface of the interface body 1, the axial design in the prior art structure is changed into the radial design, which can make the installation of the quick connecting air nozzle 3 more convenient and can increase the current carrying capacity; the interface body 1 is provided with a plane 11 near the relay connecting pipe 2 end, which is used for directly terminating the power cable from the welding power source, and saves the fastening connection part of the relay connecting copper pipe and the interface body of the traditional European interface in the prior art, and saves the fastening connection components such as the connecting and fixing clamp. Through directly fixing the power cable on the interface body 1 with thick diameter and high conductivity, based on the known principle of electrotechnics, the current carrying capacity is proportional to the cross-sectional area of the conductor, the current carrying capacity is greatly improved, and the hidden dangers such as overheating, arc striking and even damage of the interface under large current conditions in the prior art are eliminated. The plane 11 is provided with a plurality of wire holes 12 for fixing the connected power cable, and the joint copper plate of the power cable is fixed through the connecting screw, wherein the interface body 1 is preferably made of copper, which has high conductivity and is a conventional material, and is convenient to process.

[0026] In the application, the diameter size of the interface body 1 is greater than the maximum end diameter size of the relay connecting pipe 2, the length of the interface body 1 is greater than the length of the relay connecting pipe 2, the length of the interface body 1 is greatly lengthened, and the length of the relay connecting pipe 2 is correspondingly shortened, so as to facilitate the structural arrangement of the platform 11, facilitate the direct connection of the power cable, the overall diameter size of the interface body 1 is greater than the fixing structure of the traditional power cable, the conductive cross-sectional area is greatly improved, the current carrying capacity is greatly improved, and the hidden troubles such as interface overheating, arcing and damage under large current conditions can be eliminated, while the overall strength of the structure is guaranteed, and the problem of easy bending due to the too long length of the relay connecting pipe 2 in the prior art is avoided, and the rotational rigidity is improved. In the application, the diameter size of the interface body 1 is twice the diameter size of the large diameter end of the relay connecting pipe 2, which greatly improves the carrying current; at the same time, by increasing the length of the interface body 1 and shortening the length of the relay connecting pipe 2, the overall length of the European interface is unchanged, which can maximize the adaptation to the mechanical connection of the original various wire feeding machine port bodies without additional modification.

[0027] In the application, the large-diameter end of the relay connecting pipe 2 is provided with a cylindrical connector 21, the connector 21 is connected with the flat end of the interface body 1 and is inserted into the wire guide hole 15, that is, the connector 21 realizes the quick connection of the relay connecting pipe 2 and the interface body 1, which is convenient to connect and accurately installed.

[0028] Based on the above scheme, the side surface of the interface body 1 close to the end of the relay connecting pipe 2 is provided with a vertically arranged fixing hole 14, the distance from the fixing hole 14 to the end of the interface body 1 close to the relay connecting pipe 2 is less than the length of the connector 21, that is, the fixing hole 14 can realize the fixation of the connector 21, and the connection firmness of the relay connecting pipe 2 and the interface body 1 is guaranteed, which can be realized by the pin, screw fixed in the fixing hole 14 and abutting with the connector 21.

[0029] Based on the above scheme, the fixing hole 14 is a threaded hole, the connector 21 is quickly fixed by screwing with the fixing hole 14, which is convenient to connect; the wiring hole 12 is a threaded hole, the connector copper plate of the power cable is fixed by screwing with the wiring hole 12, which realizes quick fixation and convenient connection. The connection mode between the connector 21 and the wire guide hole 15 is any one of screwing, riveting or bonding, which realizes the quick and accurate connection of the connector 21 and the wire guide hole 15, and the connection mode is not unique, which can be changed according to actual needs, and screwing, riveting or bonding can all realize the quick connection of the relay connecting pipe 2 and the interface body 1.

[0030] In the scheme of the application, the guide wire hole 15 is a stepped hole, facilitating the connection of the joint 21 of the relay connecting pipe 2 and the connection with the welding gun; the guide wire hole 15 is arranged eccentrically, facilitating the machining of the control hole 17 and the air guide hole 16, the air guide hole 16 and the control hole 17 are arranged around the edge of the guide wire hole 15, realizing the uniform arrangement and machining of the guide wire hole 15, the air guide hole 16 and the control hole 17. Among them, the control hole 17 has two, the control hole 17 is a blind hole, used for the plug-in connection of the control line.

[0031] In the scheme of the application, the connection mode between the quick connection air nozzle 3 and the assembly hole 13 is screwing or welding, that is, the connection mode is not unique, various connection modes can be adopted, and screwing or welding can effectively ensure the air tightness.

[0032] In the scheme of the application, the interface body 1 is provided with a limiting groove 18 away from the relay connecting pipe 2 end, the limiting groove 18 is an annular groove arranged around the circumferential direction of the interface body 1, used for the installation limiting and positioning between the interface body 1 and the flange 4, ensuring the overall structural stability and precision of the European interface structure.

[0033] Finally, it should be noted that: the above only describes the preferred embodiments of the application, and is not used to limit the application, although the application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the application should be included in the protection scope of the application.

Claims

1. A wire feeder European interface structure, comprising an interface body (1), a relay connecting pipe (2), a quick connecting air nozzle (3) and a flange (4), the interface body (1) is a cylindrical structure, a wire guide hole (15) is arranged on the interface body (1) along the axial direction thereof and penetrates the interface body (1), the relay connecting pipe (2) is a column structure, a wire passing hole (22) is arranged on the relay connecting pipe (2) along the axial direction thereof and penetrates the relay connecting pipe (2), the wire guide hole (15) and the wire passing hole (22) are in communication, characterized in that: The interface body (1) is provided with a blind hole structure air guide hole (16) along its axial direction, the side of the interface body (1) is vertically provided with an assembly hole (13), the assembly hole (13) is communicated with the air guide hole (16), the quick connection air nozzle (3) is installed on the assembly hole (13), the end of the interface body (1) close to the relay connecting pipe (2) is provided with a plane (11), the plane (11) is provided with a plurality of wiring holes (12), the interface body (1) is made of high conductivity metal material, and the relay connecting pipe (2) is made of insulating material.

2. A wire feeder Euro-style interface structure as defined in claim 1, wherein: The diameter size of the interface body (1) is greater than the maximum end diameter size of the relay connecting pipe (2), and the length of the interface body (1) is greater than the length of the relay connecting pipe (2).

3. A wire feeder Euro-style interface structure as defined in claim 1, wherein: The end of the relay connecting pipe (2) with large diameter size is provided with a cylindrical connector (21), the connector (21) is connected with the end of the interface body (1) provided with the plane (11) and is inserted into the guide wire hole (15).

4. A wire feeder Euro-style interface structure as defined in claim 3, wherein: The side of the end of the interface body (1) close to the relay connecting pipe (2) is provided with a vertically arranged fixing hole (14), the distance from the fixing hole (14) to the end of the interface body (1) close to the relay connecting pipe (2) is less than the length of the connector (21).

5. A wire feeder Euro-style interface structure as defined in claim 4, wherein: The fixing hole (14) and the wiring hole (12) are both threaded holes, and the connection mode between the connector (21) and the guide wire hole (15) is any one of screwing, riveting or bonding.

6. A wire feeder Euro-style interface structure as defined in claim 1, wherein: The guide wire hole (15) is a stepped hole, the guide wire hole (15) is eccentrically arranged, the interface body (1) is provided with a plurality of control holes (17), the control hole (17) is a blind hole, and the air guide hole (16) and the control hole (17) are arranged around the edge of the guide wire hole (15).

7. A wire feeder Euro-style interface structure as defined in claim 1, wherein: The connection mode between the quick connection air nozzle (3) and the assembly hole (13) is screwing or welding.

8. A wire feeder Euro-style interface structure as defined in claim 1, wherein: The end of the interface body (1) away from the relay connecting pipe (2) is provided with a limiting groove (18), the limiting groove (18) is an annular groove arranged around the circumferential direction of the interface body (1).

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