CN2889594Y - Mighty safe electric welding clamp - Google Patents

Abstract

An electric welding clamp with force and safety is provides. The eclectic lamp consists of an upper clamp jaw, a pressure handle, a thrusting rod, a tension spring, a starting handle, a copper conductive block, a welding clamp handle and a welding clamp handle insulation layer. In use, by pressing down the starting handling, the pressure handling will automatically eject and the upper clamp jaw will open. And an electric welding rod is put in, the pressure handle is pressed downand the upper clamp jaw will clamp the electric welding rod on the copper conductive block under the function of thrusting rod. In the electric welding rod replacement, the starting handle is lightly pressed down, achieving the electric welding rod replacing and the electric welding rod clamping. The utility model has the advantages of low manufacture cost, simple structure, flexible usage, long service life, good popularization and usage value, as well as clamping force increment, good contact, saving great amount of copper product, realizing the purpose of no hand burnt by the electric welding clamp.

Description

A kind of strong force safety electric welding tongs

1, technical field

The utility model relates to a kind of welding equipment accessory process technology, the working welding rod clamping device of specifically a kind of arc welding.

2, background technology

At present, known electrode holders are to be assembled by pincers handle, pressure handle, compression spring, upper jaw, lower jaw, insulating barrier.Grasp the pincers handle, firmly push down pressure handle, upper and lower jaw opens, and puts into welding rod, unclamps pressure handle, and under the effect of compression spring, upper and lower jaw is clamped welding rod.When changing welding rod, firmly push down pressure handle again, remove the welding rod head, change new welding rod, so constantly recycle.Because it is last, lower jaw and welding rod will be by certain voltage and bigger welding currents, welding rod contacts whether well play key effect with jaw, and jaw is that the depended on pressure spring decides with contacting of welding rod, say in principle, compression spring elastic force is the bigger the better, but consider operating personnel work in frequent replacing welding rod, welding rod hand of every replacing will firmly be pushed twice, excessive elastic force is impossible, so jaw has been subjected to bigger restriction with contacting of welding rod, because frequent replacing welding rod in the work, loose contact or compression spring elastic force deficiency all cause electrode holders overheated, and welding rod can be become redness by current flow heats when serious in jaw, electrode holders are warm more, compression spring elastic force is low more, and elastic force is low more, on, lower jaw and welding rod are got over loose contact, form vicious circle, become existing electrode holders heating and scald one's hand, cross the main cause of cause thermal damage.Good solution is not also arranged at present.

3, summary of the invention

The purpose of this utility model provide a kind of chucking power strong, conduct electricity very well, the novel electrode holders that use laborsaving especially and long-time use can not scald one's hand, it utilizes with the diverse principle of prior art and clamps welding rod, chucking power is strong, eliminated the phenomenon of loose contact, and only need firmly press down once and just can easily change welding rod, alleviated the fatigue strength of operating personnel's hands, increased operating efficiency and significant prolongation electrode holders service life.

The purpose of the utility model strong force safety electric welding tongs is achieved in that electrode holders are made up of upper jaw, pressure handle, distance rod, tension spring, unlatching handle, copper conducting block, welding clamp handle, welding clamp handle insulating barrier, press-started handle during use, pressure handle is upspring automatically, upper jaw opens, put into welding rod, the press pressure handle, under the distance rod effect, upper jaw is clamped in welding rod on the copper conducting block.When changing welding rod, applying light is opened handle, and upper jaw opened in effect following moment of tension spring, discard electrode breaks away from jaw, changes new welding rod, presses pressure handle, finish the process of changing welding rod and clamping welding rod, clamping force increases, and contacts better, save a large amount of copper materials, realized the purpose of electrode holders non-scald on hand, electrode holders of the present invention have at the bottom of the manufacturing cost, and are simple in structure, handy flexibly, characteristics such as long service life.

4, description of drawings

Accompanying drawing 1 is the longitudinal profile structural representation of this practical strong force safety electric welding tongs;

Accompanying drawing 2 is that the A-A of this practical strong force safety electric welding tongs is to the section structure schematic diagram.

Description of reference numerals: 1, upper jaw insulating barrier; 2, upper jaw; 3, pressure handle pivot pin; 4, pressure handle; 5, pivot pin on the distance rod; 6, distance rod; 7, distance rod insulating barrier; 8, open the handle pivot pin; 9, open handle; 10, pressure handle insulating barrier; 11, distance rod lower shaft pin; 12, copper conducting block; 13; Hold-down bolt; 14, copper rivet; 15, upper jaw hinge bracket; 16, extension spring hanging hole; 17, tension spring; 18, draw the spring hanging nose; 19, welding clamp handle; 20, welding clamp handle insulating barrier; 21, welding cable.

5, embodiment

Below in conjunction with accompanying drawing strong force safety electric welding tongs of the present utility model is described further.

As shown in drawings, strong force safety electric welding tongs of the present utility model, it is by upper jaw 2, pressure handle 4, distance rod 6, tension spring 17, open handle 9, copper conducting block 12, welding clamp handle 19, welding clamp handle insulating barrier 20 is formed, the bottom of upper jaw 2 is connected with the front portion of welding clamp handle 19 by hinge bracket 15, the top of upper jaw 2 connects the right-hand member of pressure handle 4 by pressure handle pivot pin 3, distance rod 6 is arranged between the middle part of the front portion of pressure handle 4 and welding clamp handle 19 by pivot pin on the distance rod 5 and distance rod lower shaft pin 11, cam-like is opened handle 9 and is connected with the postmedian of pressure handle 4 by opening handle pivot pin 8, between pressure handle 4 and distance rod 6, between upper jaw 2 and welding clamp handle 19 by extension spring hanging hole 16 with draw spring hanging nose 18 to be provided with and draw spring 16, above the left end of welding clamp handle 19, be fixed with copper conducting block 12 by copper rivet 14, welding cable 21 links together welding clamp handle 19 by hold-down bolt 13 and copper conducting block 12, upper jaw 2, the outside of pressure handle 4 and distance rod 6 is coated with upper jaw insulating barrier 1, pressure handle insulating barrier 10, distance rod insulating barrier 7 and welding clamp handle insulating barrier 20.

The processing system technology of strong force safety electric welding tongs of the present utility model is identical with the manufacture craft of universe point soldering turret.

Strong force safety electric welding tongs of the present utility model is compared with prior art, have reasonable in design, simple in structure, safe and reliable, conduct electricity very well, use for a long time characteristics such as can not scalding one's hand and be easy to maintenance, thereby, have good value for applications.

Claims (1)

1, a kind of strong force safety electric welding tongs, it is characterized in that it is by upper jaw, pressure handle, distance rod, tension spring, open handle, the copper conducting block, welding clamp handle, the welding clamp handle insulating barrier is formed, the bottom of upper jaw is connected with the front portion of welding clamp handle by hinge bracket, the top of upper jaw connects the right-hand member of pressure handle by the pressure handle pivot pin, distance rod is arranged between the middle part of the front portion of pressure handle and welding clamp handle by pivot pin on the distance rod and distance rod lower shaft pin, cam-like is opened handle and is connected with the postmedian of pressure handle by opening the handle pivot pin, between pressure handle and distance rod, between upper jaw and welding clamp handle by the extension spring hanging hole with draw the spring hanging nose to be provided with to draw spring, above the left end of welding clamp handle, be fixed with copper conducting block by copper rivet, welding cable links together welding clamp handle by hold-down bolt and copper conducting block, upper jaw, the outside of pressure handle and distance rod is coated with the upper jaw insulating barrier, the pressure handle insulating barrier, distance rod insulating barrier and welding clamp handle insulating barrier.

Images