CN219379294U

CN219379294U - Extension type contact tip

Info

Publication number: CN219379294U
Application number: CN202320372506.XU
Authority: CN
Inventors: 黄瀛杰
Original assignee: Shanghai Congsheng Machinery Manufacturing Co ltd
Current assignee: Shanghai Congsheng Machinery Manufacturing Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-07-21
Anticipated expiration: 2033-03-03

Abstract

The utility model discloses an extension type conductive nozzle, which comprises a conductive rod and a conductive nozzle head, wherein the conductive nozzle head can be made longer, the proper size is selected according to the requirement, a first through hole is arranged in the conductive rod, the conductive nozzle head comprises two truncated cones, one end with a large area of each truncated cone is fixedly connected, both ends of the conductive nozzle head are respectively provided with a connector, welding wire holes are respectively arranged in the connectors, the outer side surface of each connector is provided with external threads, and one end of the conductive rod is internally provided with internal threads in threaded connection with the external threads; the contact tip is characterized in that a second through hole is arranged in the contact tip and is communicated with the welding wire hole, the cross section of the second through hole is a prismatic hole with two narrow ends and a wide middle, an annular groove is annularly arranged in the second through hole, a plurality of heat dissipation grooves are formed in the outer surface of the contact tip, and the heat dissipation grooves are preferably arranged between the adjacent annular grooves. The advantages are that: the heat dissipation effect is good and durable.

Description

Extension type contact tip

Technical Field

The utility model relates to the technical field of contact tips, in particular to an extension type contact tip.

Background

The contact tip is: the vulnerable part of welding equipment belongs to welding consumable, and the metal nozzle for guiding welding wire, called conductive nozzle, is arranged at the tail end of welding gun. The inner hole has a round shape, an oval shape, a triangle shape, a square shape, etc. The existing contact tip is easy to damage due to improper welding operation, so that a wire guide hole at an outlet end is easy to damage, the whole contact tip is required to be replaced during replacement at the moment, a large amount of materials are wasted, the outside of the existing contact tip is smooth, heat dissipation efficiency is general, and abrasion of the contact tip can be accelerated.

Disclosure of Invention

The utility model solves the technical problems and provides the durable extension-type conductive nozzle with good heat dissipation effect.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides an extension type conducting nozzle, includes conducting rod and conducting nozzle head, and conducting nozzle head can be made longer, selects suitable size according to the demand, be equipped with first through-hole in the conducting rod, the conducting nozzle head includes two round platform bodies, the big one end fixed connection of round platform body area, conducting nozzle head both ends all are equipped with the connector, all be equipped with the wire welding hole in the connector, the connector lateral surface is equipped with the external screw thread, be equipped with the internal thread with external screw thread threaded connection in the conducting rod one end; the novel contact tip is characterized in that a second through hole is formed in the contact tip and is communicated with the welding wire hole, the cross section of the second through hole is a prismatic hole with two narrow ends and a wide middle, an annular groove is formed in the second through hole in an annular mode, and a plurality of heat dissipation grooves are formed in the outer surface of the contact tip.

Compared with the prior art, the utility model has the advantages that: after one end of the contact tip is worn, the contact tip can be continuously used by only screwing down the contact tip to replace the other end, so that the continuous welding wire passing is realized.

Further, the axes of the first through hole and the second through hole coincide, and friction between the welding wire and the first through hole and the friction between the welding wire and the second through hole are reduced.

Further, the inner surface of the connector is provided with a ceramic layer, so that the splashing insulation effect is achieved.

Further, one end of the conductive rod, which is far away from the conductive nozzle head, is provided with a threaded neck, so that the conductive rod is convenient to connect with welding equipment.

Further, the second through hole coincides with the axis of the welding wire hole, so that friction between the welding wire and the first through hole, the second through hole and the welding wire hole is reduced.

Drawings

Fig. 1 is a schematic front view of an elongated contact tip according to the present utility model.

Fig. 2 is a schematic side view of a tip of an elongated contact tip of the present utility model.

Fig. 3 is a schematic view showing the front view of the appearance of a tip of an elongated contact tip according to the present utility model.

As shown in the figure: 1. the conductive rod, 2, the conductive nozzle head, 3, the first through hole, 4, the round platform body, 5, the connector, 6, the welding wire hole, 7, the external screw thread, 8, the second through hole, 9, the annular groove, 10 and the heat dissipation groove.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, 2 and 3, an extension type conductive nozzle comprises a conductive rod 1 and a conductive nozzle head 2, wherein the conductive nozzle head can be made longer, proper size is selected according to requirements, a first through hole 3 is formed in the conductive rod 1, the conductive nozzle head 2 comprises two circular truncated cones 4, one large-area end of each circular truncated cone 4 is fixedly connected, connectors 5 are respectively arranged at two ends of the conductive nozzle head 2, welding wire holes 6 are respectively arranged in the connectors 5, external threads 7 are arranged on the outer side surface of each connector 5, and internal threads in threaded connection with the external threads 7 are arranged in one end of the conductive rod 1; the inside of the contact tip 2 is provided with a second through hole 8, the second through hole 8 is communicated with the welding wire hole 6, the cross section of the second through hole 8 is a prismatic hole with two narrow ends and a wide middle, the axial leads of the first through hole and the second through hole are coincident, and friction between welding wires and the first through hole and the second through hole is reduced; the second through hole coincides with the axis of the welding wire hole, so that friction between the welding wire and the first through hole, the second through hole and the welding wire hole is reduced; the ceramic layer is arranged on the inner surface of the connector, so that the splashing is isolated; the second through hole 8 is internally provided with a ring groove 9 in a ring shape, and the outer surface of the conductive nozzle head 2 is provided with a plurality of heat dissipation grooves 10; one end of the conductive rod, which is far away from the conductive nozzle head, is provided with a threaded neck, so that the conductive rod is convenient to connect with welding equipment.

When the utility model is embodied, the conductive nozzle head is longer than the common conductive nozzle head, so that the two ends can be connected to the conductive rod by adopting threads, the conductive nozzle head is convenient to detach, one end of the conductive nozzle head is worn, the conductive nozzle head is only required to be screwed down to replace the other end of the conductive nozzle head and then is used as an outlet, the conductive nozzle head can be continuously used, and the continuous welding wire passing is realized, so that the service life of the product is greatly prolonged, the replacement frequency is reduced, and the use cost is saved; the annular groove is arranged on the inner surface, so that the space in the hole is increased, air circulation is facilitated, the contact area of the contact tip and the guide wire is reduced, and abrasion is further reduced; the heat dissipation grooves arranged on the outer surface increase the surface area contacted with air, have heat dissipation performance, further reduce the abrasion between the heat dissipation grooves and the guide wires, and are better in use and practical.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. An elongated contact tip, characterized in that: the novel electric conduction device comprises a conductive rod (1) and a conductive nozzle head (2), wherein a first through hole (3) is formed in the conductive rod (1), the conductive nozzle head (2) comprises two circular truncated cones (4), one large-area ends of the circular truncated cones (4) are fixedly connected, connectors (5) are arranged at two ends of the conductive nozzle head (2), welding wire holes (6) are formed in the connectors (5), external threads (7) are formed in the outer side surface of the connectors (5), and internal threads in threaded connection with the external threads (7) are formed in one end of the conductive rod (1); be equipped with second through-hole (8) in electric conduction nozzle head (2), second through-hole (8) and welding wire hole (6) intercommunication, second through-hole (8) cross section is the narrow middle wide prismatic hole in both ends, annular is equipped with annular (9) in second through-hole (8), electric conduction nozzle head (2) surface is equipped with a plurality of heat dissipation recess (10).

2. An elongated contact tip according to claim 1, wherein: the axes of the first through hole (3) and the second through hole (8) are coincident.

3. An elongated contact tip according to claim 1, wherein: the inner surface of the connector (5) is provided with a ceramic layer (11).

4. An elongated contact tip according to claim 1, wherein: one end of the conductive rod (1) far away from the conductive nozzle head (2) is provided with a threaded neck (12).

5. An elongated contact tip according to claim 2, wherein: the second through hole (8) coincides with the axis of the welding wire hole (6).