CN214054037U

CN214054037U - Welding electrode arm

Info

Publication number: CN214054037U
Application number: CN202022547443.6U
Authority: CN
Inventors: 杨玉叶
Original assignee: Taicang Aizongsi Welding Equipment Co ltd
Current assignee: Taicang Aizongsi Welding Equipment Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-08-27
Anticipated expiration: 2030-11-06

Abstract

The utility model relates to a welding electrode arm, it includes the electrode arm body and fixes the base in electrode arm body one end, a connector is cup jointed to the electrode arm body other end, the connector lateral wall has the external screw thread, the thread groove has been seted up to the electrode arm body other end, the connector passes through the internal thread interlock of external screw thread and thread inslot and is connected, a pair of inner groovy has been seted up to thread inslot wall symmetry, the through-hole has radially been seted up to the thread inslot lateral wall, the through-hole is link up with the inner groovy mutually, be equipped with the regulation pole in the through-hole, it is equipped with the spring to adjust the pole overcoat, adjust the fixed stopper of pole one end, it deepens from the through-hole to adjust the pole other end in the inner groovy, adjust pole other end fixing and compress tightly the piece, the spring both ends respectively with compress tightly a lateral wall, inner groovy lateral wall offsets and hold, the outer recess has been seted up to the connector lateral wall. The utility model discloses a pressing from both sides tight connector, preventing that the connector from taking off from the thread groove internal pine, effectively preventing that the phenomenon that electrode arm and electrode holding rod are not locked from taking place.

Description

Welding electrode arm

Technical Field

The utility model relates to the field of welding technique, in particular to welding electrode arm.

Background

For large-scale or precision product processing, the sealing, the precision and the like of a welding point need to be ensured, so that the use safety and the reliability of a processed product are ensured, wherein a welding electrode arm is an important component of welding equipment, and the welding precision and the working efficiency of the product are directly influenced.

In the technical field of welding, such as nut welding, an electrode arm is used for clamping an electrode holding rod, and the conventional electrode arm has the phenomenon that the electrode holding rod is not locked tightly, so that welding interruption or welding defects are caused, and production is not facilitated.

Therefore, it is desirable to provide a welding electrode arm to solve the above problems of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a welding electrode arm to solve current electrode arm and have the phenomenon of not locking electrode holding rod.

In order to achieve the above object, the utility model provides a following technical scheme: a welding electrode arm comprises an electrode arm body and a base fixed at one end of the electrode arm body, wherein the other end of the electrode arm body is sleeved with a connector, the outer side wall of the connector is provided with external threads, the other end of the electrode arm body is provided with a threaded groove, the connector is meshed with internal threads in the threaded groove through the external threads, the inner wall of the threaded groove is symmetrically provided with a pair of inner grooves, the side wall of the threaded groove is radially provided with a through hole, the through hole is communicated with the inner grooves, an adjusting rod is arranged in the through hole and sleeved with a spring, one end of the adjusting rod is fixedly provided with a limiting block, the other end of the adjusting rod extends into the inner grooves from the through hole, the end part of the other end of the adjusting rod is fixedly provided with a pressing piece, and the two ends of the spring are respectively abutted against the side wall of the pressing piece and the side wall of the inner groove, the outer side wall of the connector is provided with an outer groove, and after the connector and the thread groove are assembled in place, the pressing piece is clamped in the outer groove under the elastic force action of the spring.

The electrode arm comprises an electrode arm body and is characterized in that a stop block is arranged on the outer side wall of the electrode arm body, one end of the stop block is movably connected with a rotating shaft of the outer side wall of the electrode arm body, the stop block rotates around the rotating shaft and is clamped between a limiting block and the outer side wall of the electrode arm body, a pressing piece is recovered in an inner groove, the stop block is moved out of a gap between the limiting block and the electrode arm body, and the pressing piece is clamped in the outer groove under the action of a spring.

The electrode arm comprises a base, and is characterized in that a pair of fixing holes are formed in the base, bolts are installed in the fixing holes, and the axes of the fixing holes are parallel to the axis of the electrode arm body.

The bolt comprises a nut, a first stud and a second stud extending from the end part of the first stud to the direction far away from the nut, the diameter of the first stud is larger than that of the second stud, and external threads are arranged on the outer side wall of the first stud and the outer side wall of the second stud.

Still parallel be equipped with inhalant canal and exhalant canal on the base, inhalant canal's axis is perpendicular with the axis of fixed orifices, the inside cooling water route that is equipped with of electrode arm body, inhalant canal, exhalant canal are linked together with the cooling water route.

Compared with the prior art, the beneficial effects of the utility model are that:

by arranging the adjusting rod, the limiting block, the pressing piece and the spring, the pressing piece is clamped in the outer groove of the connector under the elastic force action of the spring, the connector is clamped by the pressing piece, the connector is prevented from loosening from the threaded groove, and the phenomenon that the electrode holding rod is not locked in the use process of the electrode arm is effectively prevented;

through setting up the dog, in connector and thread groove assembling process, the dog joint is between stopper and electrode arm body lateral wall, and in the recess including the piece is retrieved to the compressing tightly, do not influence the connector and screw the thread groove, save artifical pulling stopper, convenient operation.

Drawings

FIG. 1 is a schematic view of the structure of the welding electrode arm of the present invention;

FIG. 2 is a cross-sectional view of the welding electrode arm of FIG. 1;

FIG. 3 is an enlarged view of area A of FIG. 2;

FIG. 4 is a schematic view of the welding electrode arm of FIG. 1;

fig. 5 is a schematic view of the bolt structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 to 5, the utility model relates to a welding electrode arm, it includes electrode arm body 1 and fixes the base 2 in electrode arm body 1 one end, and a connector 7 is cup jointed to electrode arm body 1 other end, and connector 7 lateral wall has the external screw thread, and thread groove 8 has been seted up to electrode arm body 1 other end, and connector 7 passes through the external screw thread to be connected with the internal thread interlock in the thread groove 8, and the connector 7 other end and electrode holding rod fixed connection.

In order to prevent the external thread of the connector 7 from loosening with the internal thread of the thread groove 8, see fig. 3, a pair of inner grooves 9 are symmetrically formed in the inner wall of the thread groove 8, through holes 10 are radially formed in the side wall of the thread groove 8, the through holes 10 are communicated with the inner grooves 9, adjusting rods 11 are arranged in the through holes 10, one end of each adjusting rod 11 is fixed with a limiting block 12, the other end of each adjusting rod 11 extends into the inner groove 9 from the through holes 10, a pressing piece 13 is fixed at the end part of the other end of each adjusting rod 11, a spring 14 is sleeved at the other end of each adjusting rod 11, two ends of each spring 14 are respectively abutted against the side wall of the corresponding pressing piece 13 and the side wall of the inner groove 9, an outer groove 15 is formed in the outer side wall of the connector 7, and the thread groove 8 are assembled in place, and the pressing pieces 13 are clamped in the outer grooves 15 under the elastic force action of the springs 14.

Referring to fig. 3, a stopper 16 is disposed on the outer side wall of the electrode arm body 1, and one end of the stopper 16 is movably connected to the rotating shaft on the outer side wall of the electrode arm body 1. When dog 16 revolutes the rotation of axes and the joint between stopper 12 and electrode arm body 1 lateral wall, compress tightly in recess 9 including 13 retrieves, do not influence connector 7 precession thread groove 8, after 7 and 8 assembly of thread groove target in place, inner recess 9 aligns with outer recess 15, dog 16 revolutes the rotation of axes and retrieves, dog 16 shifts out in the clearance between stopper 12 and the electrode arm body 1, under the effect of spring 14, compress tightly in 13 joints outer recess 15, and press from both sides tightly connector 7, prevent that connector 7 from becoming flexible, improve the connection stability of electrode holding rod.

Referring to fig. 4, a pair of fixing holes 3 are formed in the base 2, bolts 17 are installed in the fixing holes 3 and used for fixing the welding body, and the axes of the fixing holes 3 are parallel to the axis of the electrode arm body 1. Still be equipped with inhalant canal 4 and exhalant canal 5 on the base 2 in parallel, the axis of inhalant canal 4 is perpendicular with the axis of fixed orifices 3, and electrode arm body 1 is inside to be equipped with cooling water route 6, and inhalant canal 4, exhalant canal 5 are linked together with cooling water route 6.

Referring to fig. 5, the bolt 17 includes a nut 171, a first stud 172 and a second stud 173 extending from an end of the first stud 172 to a direction away from the nut 171, the first stud 172 and the second stud 173 are integrally formed, a diameter of the first stud 172 is larger than a diameter of the second stud 173, outer side walls of the first stud 172 and the second stud 173 both have external threads, a mating groove is correspondingly formed on a surface of the welding body, and the first stud 172 and the second stud 173 are engaged with internal threads of the mating groove. Through setting up the first double-screw bolt 172, the second double-screw bolt 173 of diameter difference, improve base 2 and welding body and join in marriage stability, prevent long-time the use, electrode arm body 1 produces not hard up, avoids influencing product welded precision.

The utility model has the advantages that: by arranging the adjusting rod 11, the limiting block 12, the pressing piece 13 and the spring 14, the pressing piece 13 is clamped in the outer groove 15 of the connector 7 under the elastic force action of the spring 14, the pressing piece 13 clamps the connector 7 tightly, the connector 7 is prevented from loosening from the thread groove 8, and the phenomenon that the electrode holding rod is not locked tightly in the use process of the electrode arm is effectively prevented; through setting up dog 16, in connector 7 and the thread groove 8 assembling process, 16 joints of dog are between stopper 12 and electrode arm body 1 lateral wall, compress tightly including 13 retrieves in recess 9, do not influence connector 7 precession thread groove 8, save artifical pulling stopper 12, convenient operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A welding electrode arm, characterized by: the electrode arm comprises an electrode arm body and a base fixed at one end of the electrode arm body, wherein the other end of the electrode arm body is sleeved with a connector, the outer side wall of the connector is provided with external threads, the other end of the electrode arm body is provided with a threaded groove, the connector is meshed and connected with internal threads in the threaded groove through the external threads, the inner wall of the threaded groove is symmetrically provided with a pair of inner grooves, the side wall of the threaded groove is radially provided with a through hole, the through hole is communicated with the inner grooves, an adjusting rod is arranged in the through hole and sleeved with a spring, one end of the adjusting rod is fixedly provided with a limiting block, the other end of the adjusting rod extends into the inner grooves from the through hole, the end part of the other end of the adjusting rod is fixedly provided with a pressing piece, the two ends of the spring are respectively abutted against the side wall of the pressing piece and the side wall of the inner groove, and the outer side wall of the connector is provided with an outer groove, after the connector and the thread groove are assembled in place, the pressing piece is clamped in the outer groove under the elastic force action of the spring.

2. The welding electrode arm of claim 1, wherein: the electrode arm comprises an electrode arm body and is characterized in that a stop block is arranged on the outer side wall of the electrode arm body, one end of the stop block is movably connected with a rotating shaft of the outer side wall of the electrode arm body, the stop block rotates around the rotating shaft and is clamped between a limiting block and the outer side wall of the electrode arm body, a pressing piece is recovered in an inner groove, the stop block is moved out of a gap between the limiting block and the electrode arm body, and the pressing piece is clamped in the outer groove under the action of a spring.

3. The welding electrode arm of claim 1, wherein: the electrode arm comprises a base, and is characterized in that a pair of fixing holes are formed in the base, bolts are installed in the fixing holes, and the axes of the fixing holes are parallel to the axis of the electrode arm body.

4. The welding electrode arm of claim 3, wherein: the bolt comprises a nut, a first stud and a second stud extending from the end part of the first stud to the direction far away from the nut, the diameter of the first stud is larger than that of the second stud, and external threads are arranged on the outer side wall of the first stud and the outer side wall of the second stud.

5. The welding electrode arm of claim 1, wherein: still parallel be equipped with inhalant canal and exhalant canal on the base, inhalant canal's axis is perpendicular with the axis of fixed orifices, the inside cooling water route that is equipped with of electrode arm body, inhalant canal, exhalant canal are linked together with the cooling water route.