CN87210592U

CN87210592U - Electric welding pliers

Info

Publication number: CN87210592U
Application number: CN 87210592
Authority: CN
Inventors: 孙东秀
Original assignee: Individual
Current assignee: Individual
Priority date: 1987-09-28
Filing date: 1987-09-28
Publication date: 1988-05-11

Abstract

The utility model discloses an electrode holder, which comprises a welding head, a welding head sleeve, a welding holder, a conduction device and a trigger. The welding head isn't contacted directly with the welding head sleeve, rather than keep a certain distance; the welding head sleeve and the welding holder are divided into to two bodies which are connected with each other by a connecting body, which can reduce the contact area, and avoid the welding holder being heated directly; the welding holder isn't hot to burn hands even if the welding holder works for a long time; the opening mechanism of the welding head is linked movably with the conduction device of the electrical power supply; when the trigger is pulled by hand, the welding head is expanded and the electrical power supply is cut off at the same time; the welding head isn't with electricity when the welding rod is replaced, which provides a guarantee for safe operation.

Description

Electric welding pliers

The utility model is a kind of welding tool, particularly a kind of soldering turret that is used for the manual electric arc welding holding electrode.

The present electrode holders that use, when changing welding rod, hold the hand of electrode holder and will switch the position, therefore use inconvenience, and because the contact area of welding rod and soldering turret is little, cause the welding rod card not firm, contact resistance increases, and generates heat in a large number when causing power supply waste and operation, particularly the charged for replacement welding rod, careless slightly, will bring danger to the operator.

It is a kind of esy to use, safe and reliable that the purpose of this utility model is to provide, and can reduce the electrode holders of electrode holder heating.

The purpose of this utility model is achieved in that it comprises soldering tip, soldering tip cover, spring, electric installation, push rod, trigger and electrode holder.Soldering tip is divided into left soldering tip and backhand welding head, left side soldering tip is fixedly mounted in the soldering tip cover, backhand welding portion end to end connects a L shaped connecting rod, rotates with the soldering tip cover to connect, and has the round platform of a projection in the soldering tip cover, spring is housed above, one end bearing of spring is on the inner face of a backhand welding L shaped connecting rod, so that the backhand welding head closely contacts with left soldering tip, for the temperature that prevents electrode holder raises, directly do not contact between soldering tip and the soldering tip, and keep certain distance.Be to reduce the thermal contact conductance area, connect by connected body between soldering tip cover and the electrode holder, connected body bends with sheet metal and forms, and is fixedly connected with soldering tip cover, electrode holder respectively.Adorn a plate machine on the electrode holder, the inner of plate machine connects a push rod, and the L shaped connecting rod of the other end of push rod and backhand welding head links, and in the soldering tip cover electric installation is housed, and has binding post and power line to link on the electric installation.During work, power supply passes through electric installation, make soldering tip positively charged position, when changing welding rod, collude trigger action backward with hand, by the push rod that is connected with trigger, before a backhand welding L shaped connecting rod pushed to, the backhand welding head promptly opens to the right, also together opens with the movable weld tips cover that screw links to each other with the backhand welding head.Simultaneously, boss on the L shaped connecting rod outer face and electric installation are thrown off, dump.

Soldering tip of the present utility model and soldering tip cover directly contact, middlely keeps certain distance, and soldering tip cover and electrode holder be divided into disome, between connect with connected body, make the contact area minimizing, thus the temperature of electrode holder to hang down than the temperature of known electrode holder be conspicuous.Both made to work long hours, electrode holder can not scald one's hand yet.Soldering tip opener of the present utility model and electric installation interlock, as long as collude trigger action, power supply promptly cuts off.When changing welding rod, soldering tip is not charged, provides guarantee to safety operation.Because the utility model has adopted trigger configuration, when operating personnel can hold electrode holder, finger colluded trigger action, and when changing welding rod, hand need not be switched the position, has therefore brought convenience to operation.

Below in conjunction with accompanying drawing the utility model is explained in detail:

Fig. 1 is the front view of a kind of concrete structure of the present utility model.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is the schematic diagram of a kind of concrete structure of the utility model electric installation.

Fig. 4 is the side view of Fig. 3.

1 trigger, 2 left soldering tips, 3 soldering tip covers, 4 backhand welding heads, 5 springs, 6 push rods, 7 connected bodies, 8 electrode holders, 9 electric installations, 10 rotating shafts, 11 movable weld tips covers, 12 sleeves, 13 conducting rings, 14 conducting blocks, 15 turns among the figure.

Soldering tip is made up of left soldering tip 2 and backhand welding 4.Have 3 horizontal circular grooves on the left and right soldering tip respectively, diameter is respectively 3 millimeters, 4 millimeters, 5 millimeters, and the degree of depth is 1～2 millimeter.3～5 millimeters thick welding rods that can be installed also have a vertical circular groove on the soldering tip, 5 millimeters of diameters, and 2 millimeters of the degree of depth, 5 millimeters welding rod can be installed.Soldering tip of the present utility model can both direction card welding rod, and is therefore very easy to use.Left side soldering tip 2 is screwed and is installed in the soldering tip cover 3, the afterbody of backhand welding 4 connects a L shaped connecting rod, rotate between the corner of L shaped connecting rod is equipped with rotating shaft 10 and soldering tip overlaps 3 and connect, movable weld tips cover 11 usefulness screws connect with the backhand welding head, keep 2～3 mm distance between soldering tip and the soldering tip cover 3, to prevent that soldering tip cover 3 from contacting with the soldering tip of high temperature and generate heat, also have the hole on the soldering tip cover 3, be beneficial to the heat radiation of soldering tip, pass through three connected bodies 7 between soldering tip cover 3 and the electrode holder 8, use screw attachment, connected body 7 usefulness 10～20 mm wides, the steel plate of 2 millimeters thick bends and forms, reduced the contact area between soldering tip cover 3 and the electrode holder 8 like this, on reduced hot conduction, work long hours, electrode holder 8 can not scald one's hand yet.The round platform of projection is arranged in the soldering tip cover 3, spring 5 is housed above, the other end of spring 5 is bearing on the inner face of a backhand welding 4L shape connecting rod, backhand welding 4 is closely contacted, so that the chucking welding rod reduces contact resistance with left soldering tip 2, reach the purpose of economize on electricity, also reduce caloric value simultaneously.One trigger 1 is housed on the electrode holder 8, the inner of trigger 1 connects a push rod 6, the L shaped connecting rod of the other end of push rod 6 and backhand welding 4 connects, in the soldering tip cover 3 electric installation 9 is housed, has three binding posts and three phase mains to link on the sleeve 12 of electric installation 9, link with Mume flower contact between sleeve 12 and the backhand welding 4L shape connecting rod, an end that is sleeve 12 is spill, adorn a conducting ring 13 in the groove, a conducting block 14 is arranged in the conducting ring 13, link with screw and sleeve 12.Conducting ring 13 is divided into 4 on whole circumference, fixing with turn 15, being enclosed within a backhand welding 4L shape connecting rod outer end wears on the round boss of tapering, with its tight contact, under the effect of spring 5, left and right soldering tip clamps, thereby makes electric installation 9 to forming good power path between the welding rod.When changing welding rod, collude trigger action 1 backward with finger, the push rod 6 that links to each other with trigger 1 pushes away the L shaped connecting rod of backhand welding 4 forward, the movable weld tips cover 11 that makes backhand welding 4 and be fixedly connected with it is angle of 10 rotations around the shaft, soldering tip promptly opens, the frustum of a cone and conducting ring 13 on the L shaped connecting rod outer face of backhand welding simultaneously 4 are separated, make dump, prevent that operating personnel from getting an electric shock when changing welding rod, electric installation 9 of the present utility model and soldering tip are copper, the leading portion of soldering tip cover 3 and movable weld tips cover 11 is asbestos, and back one section is the rigid plastics die cast.Electrode holder and spanner are the rigid plastics die cast.

Claims

1, a kind of electrode holders, it comprises soldering tip, soldering tip cover 3, spring 5, electric installation 9, electrode holder 8.Soldering tip is made up of left soldering tip 2 and backhand welding 4, it is characterized in that:

Be assembled with trigger 1 on a, the electrode holder 8, trigger 1 links by the L shaped connecting rod of push rod 6 with backhand welding 4 tail end.The L shaped connecting rod inner face upper support of backhand welding 4 tail end has spring 5, and the round boss that has tapering on the outer face closely contacts with electric installation 9.

Between b, left soldering tip 2 and the soldering tip cover 3, leave the interval respectively between backhand welding 4 and the movable weld tips cover 11.Link by connected body 7 between soldering tip cover 3 and the electrode holder 8.

2, according to the said electrode holders of claim 1, it is characterized in that: sleeve 12 1 ends of electric installation 9 are spill, a conducting ring 13 is housed in its groove, a conducting block 14 is arranged in the conducting ring 13, link by screw and sleeve 12, conducting ring 13 is divided into 4, and is fastening with turn 5, closely contacts with the round boss that has tapering on the L shaped connecting rod outer face.

3, according to the said electrode holders of claim 1, it is characterized in that: between soldering tip cover 3 and the left soldering tip 2 and backhand welding 4 connect with being screwed respectively between movable weld tips overlaps 11, the centre is left 2～3 millimeters interval respectively.

4, according to the said electrode holders of claim 1, it is characterized in that: connect by three connected bodies 7 between soldering tip cover 3 and the electrode holder 8, connected body 7 usefulness 10～20 mm wides, the steel plate of 2～3 millimeters thick bends and forms.