CN210789641U

CN210789641U - Electrode cap

Info

Publication number: CN210789641U
Application number: CN201921830169.4U
Authority: CN
Inventors: 齐庆祝; 杜佳鹏
Original assignee: BAIC Group ORV Co ltd
Current assignee: BAIC Group ORV Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-06-19
Anticipated expiration: 2029-10-28

Abstract

The utility model provides an electrode cap relates to the welding technology field. The electrode cap includes: the connector comprises a contact end, a transition section and an interface end which are sequentially connected, wherein the contact end, the transition section and the interface end are integrally formed; the interface end is formed into a cylinder, the contact end is formed into a quadrilateral on the cross section perpendicular to the axial lead direction of the interface end, and the cross section area of the contact end is smaller than that of the interface end. The utility model provides a technical scheme, through redesign's electrode cap, can weld narrow spaces such as door sealing strip guide rail, just the utility model discloses an electrode cap is applicable to most welding equipment, has guaranteed welded feasibility and practicality.

Description

Electrode cap

Technical Field

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

Background

The electrode caps used for welding parts such as automobile doors and the like are usually round-head electrode caps, the diameters of the electrode caps are generally 13mm and 16mm, the diameters of contact surfaces of the electrode caps and the welding parts are 6mm, and the contact areas are large. If the too small region of welding door overlap edge, with traditional electrode cap welding in-process, electrode cap chamfer angle department produces serious interference with door sash inner panel, can't realize the welding, if the soldering turret moves outward and avoids here to interfere then can beat half a little, welding defect appears, seriously influences welding quality.

For the welding with narrow edges and small operation space in the prior art, one solution is to use the welding with laplace (arpas), which has the advantage of being able to complete the welding with narrow edges or narrow space. The disadvantages are that special welding equipment needs to be purchased, the equipment price is high, the universality is poor, and a boss needs to be punched out in advance on one part before welding, so that the cost of a punching process is increased.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides an electrode cap to solve narrow space welding incompleteness and the poor problem of commonality.

In order to solve the technical problem, the embodiment of the utility model provides an electrode cap, electrode cap includes:

the connector comprises a contact end, a transition section and an interface end which are sequentially connected, wherein the contact end, the transition section and the interface end are integrally formed;

the interface end is formed into a cylinder, the contact end is formed into a quadrilateral on the cross section perpendicular to the axial lead direction of the interface end, and the cross section area of the contact end is smaller than that of the interface end.

Furthermore, the transition section comprises two inclined surfaces which are oppositely arranged, and each inclined surface is respectively connected with one side surface of the contact end.

Furthermore, the transition section further comprises two arc curved surfaces which are oppositely arranged, each arc curved surface is respectively connected with one side surface of the contact end, and the arc curved surfaces and the inclined surfaces are respectively connected with different side surfaces of the contact end.

Furthermore, one end of each of the two arc curved surfaces, which is far away from the contact end, is in smooth transition connection with the interface end.

Furthermore, the edge of the end face of the contact end, which is far away from the interface end, is provided with a chamfer.

Furthermore, the vertical height of the chamfer is 0.2-0.4 mm.

Further, the center point of the contact end is located on an extension line of the axis of the interface end.

Compared with the prior art, the embodiment of the utility model provides an electrode cap has following beneficial effect at least:

the embodiment of the utility model can weld narrow spaces such as a door sealing strip guide rail and the like through the electrode cap of the utility model, thereby avoiding the problem of incomplete welding in the narrow spaces; in the motorcycle type development process, when the narrow structure welding in welding space appears because the structural design restriction of automobile body, do not need laser welding or the high finished product welding equipment of Araplace (Arplas), use ordinary welding equipment can accomplish the welding, avoided the poor problem of commonality of narrow welded equipment, guaranteed welded shapeability and practicality.

Drawings

Fig. 1 shows a schematic structural view of an electrode cap according to an embodiment of the present invention;

figure 2 shows a schematic top view of an electrode cap according to an embodiment of the invention;

FIG. 3 is an enlarged view of a partially assembled structure of an electrode cap according to an embodiment of the present invention;

fig. 4 shows an assembly view of the electrode cap according to the embodiment of the present invention.

Description of reference numerals:

1-a contact end; 11-chamfering; 2-a transition section; 3-an interface end; 4-a first electrode cap; 5-a second electrode cap; 6-a first plate; 7-a second plate; 8-electrode cap assembling equipment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. In the following description, specific details are provided, such as specific configurations and components, merely to facilitate a thorough understanding of embodiments of the invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The utility model discloses to the incomplete or poor problem of welding equipment commonality in welding narrow space of narrow space welding, provide an electrode cap.

As shown in fig. 1, an embodiment of the present invention provides an electrode cap, including:

the connector comprises a contact end 1, a transition section 2 and an interface end 3 which are connected in sequence, wherein the contact end 1, the transition section 2 and the interface end 3 are integrally formed;

the interface end 3 is formed into a cylinder, the contact end 1 is formed into a quadrilateral on a cross section perpendicular to the axial lead direction of the interface end, and the cross section area of the contact end 1 is smaller than that of the interface end 3.

It should be noted that, in the embodiment of the present invention, the contact end 1, the transition section 2, and the interface end 3 are integrally formed, and therefore, the phenomena of fracture or crack due to stress concentration do not occur; the cross section area of the contact end 1 is smaller than that of the interface end 3, so that the welding device is suitable for narrow gap welding; the interface end 3 forms a cylinder so as to be suitable for common welding equipment, and the problem that the universality of professional welding equipment is poor is solved.

It should also be noted that the diameter of the bottom surface of the interface end 3 in the embodiment of the present invention is preferably 13 mm. The interface end the diameter is according to the optimal result of ordinary C type soldering turret butt joint, the utility model discloses an electrode cap need not special welding equipment and controller, only needs to install upper and lower electrode on the holding rod of ordinary soldering turret, can use.

Optionally, the transition section includes two inclined surfaces disposed oppositely, and each inclined surface is connected to one side surface of the contact end 1.

Optionally, the transition section further includes two arc curved surfaces which are oppositely arranged, each arc curved surface is respectively connected to one side surface of the contact end 1, and the arc curved surface and the inclined surface are respectively connected to different side surfaces of the contact end 1.

It should be noted that one end of each of the two arc curved surfaces, which is far away from the contact end 1, is in smooth transition connection with the interface end 3; one of the inclined surfaces is adjacent to one of the arc curved surfaces, and the four sides of the bottom surface of the contact end 1 are connected with the inclined surfaces through the arc curved surfaces, wherein the transition section 2 is used for connecting the interface end and the contact end.

Optionally, the edge of the end surface of the contact end 1 away from the interface end 3 is provided with a chamfer 11.

Specifically, the vertical height of the chamfer 11 is 0.2-0.4 mm. The preset angle of the chamfer angle can be set to 45 degrees, and can also be set according to actual requirements, and is not particularly limited; the vertical height of the chamfer 11 is preferably set to 0.3mm, and can be set according to actual requirements, and is not particularly limited herein.

As shown in fig. 2, in the embodiment of the present invention, the central point of the contact end 1 is located on the extension line of the axial line of the interface end 3. Specifically, the cross-sectional area of the contact end 1 is smaller than that of the interface end 3; the end face of the contact end 1 is preferably a rectangle quadrangle with 4 × 12mm, so that the problem that similar narrow welding structures (the welding width is within 6 mm) such as a door window frame and the like cannot be subjected to electric welding can be effectively solved, the problem can be determined according to actual conditions, and the problem is not limited specifically; the chamfer 11 can be arranged on the periphery of the port of the contact end, so that the electrode cap can be assembled conveniently.

It should be noted that the electrode cap is integrally formed as a symmetrical electrode cap, and the contact end and the interface end are both formed by smooth connection and transition of the transition section, so that the phenomena of fracture or crack and the like caused by stress concentration are avoided.

As shown in fig. 3 and 4, in an alternative embodiment of the present invention, the contact end of the first electrode cap 4 is fixed to the first plate 6 by a C-shaped welding tongs of the electrode cap assembling apparatus 8, and the contact end of the second electrode cap 5 is fixed to the second plate 7 by a C-shaped welding tongs of the electrode cap assembling apparatus 8. The utility model discloses on C type soldering turret basis, change here utility model electrode cap can weld simple and practical to the overlap edge below 6mm of first plate 6 and second plate 7. The welding is carried out on a structure with a narrow welding space, and only the electrode cap needs to be replaced without replacing welding equipment; need not purchase laser welding or the welding equipment of the Araplace (Arplas) can accomplish this system motorcycle type project of transformation, this utility model structure is simple, simple to operate has guaranteed the welding feasibility promptly, satisfies welding strength again.

The foregoing is directed to the preferred embodiments of the present invention, and it will be understood by those skilled in the art that various changes and modifications may be made without departing from the principles of the invention, and that such changes and modifications are intended to be included within the scope of the invention.

Claims

1. An electrode cap, comprising:

the connector comprises a contact end (1), a transition section (2) and an interface end (3) which are sequentially connected, wherein the contact end (1), the transition section (2) and the interface end (3) are integrally formed;

the connector end (3) is formed into a cylinder, the contact end (1) is formed into a quadrilateral on the cross section perpendicular to the axial lead direction of the connector end, and the cross section area of the contact end (1) is smaller than that of the connector end (3).

2. The electrode cap according to claim 1, characterized in that the transition section comprises two oppositely arranged inclined surfaces, each inclined surface being connected to one of the side surfaces of the contact end (1).

3. The electrode cap according to claim 2, wherein the transition section further comprises two opposite curved circular surfaces, each curved circular surface is connected to one side surface of the contact end (1), and the curved circular surfaces and the inclined surfaces are connected to different side surfaces of the contact end (1).

4. The electrode cap according to claim 3, characterized in that the ends of the two curved surfaces away from the contact end (1) are in smooth transition connection with the interface end (3).

5. Electrode cap according to claim 1, characterized in that the edge of the end face of the contact end (1) remote from the mouthpiece end (3) is provided with a chamfer (11).

6. The electrode cap according to claim 5, wherein the vertical height of the chamfer (11) is 0.2 to 0.4 mm.

7. Electrode cap according to claim 1, characterized in that the centre point of the contact end (1) is located on the extension of the axial centre line of the mouthpiece end (3).