213results about "Support devices with shielding" patented technology

The invention features a replaceable cartridge for a plasma arc torch. The cartridge includes a cartridge body having a first section and a second section. The first and second sections are joined at an interface to form a substantially hollow chamber. The interface provides a coupling force that secures the first and second sections together. The cartridge also includes an arc constricting member located in the second section; an electrode included within the substantially hollow chamber; and a contact start spring element affixed to the electrode. The spring element imparts a separating force that biases the electrode toward at least one of the first section or the second section of the body. The separating force has a magnitude that is less than a magnitude of the coupling force.

The invention features a replaceable cartridge for a plasma arc torch. The cartridge includes a cartridge body having a first section and a second section. The first and second sections are joined at an interface to form a substantially hollow chamber. The interface provides a coupling force that secures the first and second sections together. The cartridge also includes an arc constricting member located in the second section; an electrode included within the substantially hollow chamber; and a contact start spring element affixed to the electrode. The spring element imparts a separating force that biases the electrode toward at least one of the first section or the second section of the body. The separating force has a magnitude that is less than a magnitude of the coupling force.

The invention discloses a node structure electric arc fuse wire additive manufacturing method, and belongs to the technical field of electric arc additive manufacturing. According to the method, the problems that in the prior art, due to uneven heat distribution, the joint binding force is insufficient, the machining allowance is low, and the welding gun collision risk is caused by too high material accumulation in a joint area are solved; the method comprises the steps that a welding gun deposits a first welding bead along an arcing point, when a second cross welding bead is deposited, a coaxial electromagnetic coil is arranged outside the welding gun, an external alternating magnetic field is generated to act on an electric arc, the electric arc and a molten pool oscillate periodically, and therefore the metal fluidity of the molten pool is enhanced; by applying the external alternating magnetic field, non-contact stirring of the molten pool can be achieved, an additional mechanical movement device is not needed, the molten pool has the advantages of being safe and clean, the fluidity of the molten pool subjected to magnetic arc oscillation stirring is higher, and the problems that materials at nodes excessively accumulate and protrude, and joints of the nodes are heated unevenly and shrink are solved.

A holder for attachment to a welding end assembly for welding system receives a consumable wire electrode. The wire electrode has a non-round cross-sectional shape. The end assembly features a tip having internal bore closely conforming to the cross-sectional shape of the electrode wire. The holder includes a plurality of internal rollers, and the rollers guide and orient the non¬ round wire as it passes through the holder from a wire guide cable and into the end assembly.

A connection structure (10) for a welding torch (1) is configured to connect a handle (2) of the welding torch (1) to a cable (3) for transmitting electrical current. The connection structure (10) comprises a first end (11) configured to engage with the handle (2), a second end (12) configured to engage with the cable (3), and a longitudinal direction (13) extending from the first end (11) to the second end (12). At least the first connection portion (14) of the outer surface (15) of the first end (11) is formed as a sphere or part of a sphere. The first connecting portion (14) is provided with two first fastening members (16) arranged on opposite sides (17) of the first connecting portion (14) with respect to the longitudinal direction (13) and configured to engage in each case with one of two second fastening members (31) arranged on an inner surface (32) of the handle (2), the connecting structure (10) has a first connecting portion (14) and a fastening member (16, 31), such that when the connecting structure (10) is connected to the handle (2) at the first end (11) via the first connecting portion (14) and the fastening member (16, 31), the connecting structure (10) enables the connecting structure (10) to rotate relative to the handle (2) about a bending axis (18) defined by the first fastening member (16).

The present application relates to a rotary torch (10). The rotary torch (10) includes: a hollow cylindrical case (47); a hollow cylindrical body (41) rotatably supported by the case (47) in a radially inward of the case (47); a hollow cylindrical wire guide (29) disposed radially inward of the body (41) in a non-rotatable manner, the wire guide (29) configured to receive a filler wire (4) to pass through; an electrode (43) disposed at a distal end of the body (41), the electrode (43) integrally rotatable with the body (41), the electrode (43) extending toward the filler wire (4); and a power supply brush (55) disposed in the case (47).

An after-shield gas jig (10) is provided with a gas supply unit (20). The gas supply unit (20) includes a discharging unit (21h). An after-shield gas can be blown out from the discharging unit (21h) toward a workpiece (200). The gas supply unit (20) includes a shielding unit (21) and a first maintenance mechanism unit (22). The shielding unit (21) is disposed so as to surround the discharging unit (21h) when viewed from the direction in which the after-shield gas is blown out. The distance between the shielding unit (21) and the workpiece (200) can be kept constant independently of the position of a welding torch (1) by the first maintenance mechanism unit (22).

The present invention provides a welding torch having a thumb rest surface that allows the worker's thumb to be stably placed. [Solution] In this welding torch 1, when the main body 20 is viewed from the side, with one end facing the front and the other end facing the rear, the side on which the thumb rest surface 40 is provided facing the upper side and the side on which the torch switch 30 is provided facing the lower side, a grip 21 is provided on the rear side of the torch switch 30 that is curved upward. The thumb rest surface 40 is located on the front side of the upper surface 22 of the main body 20 and includes an inclined surface that gradually slopes upward toward the front. The front end L2 of the thumb rest surface 40 is located in front of the front switch portion 30S of the torch switch 30, and the rear end L1 of the thumb rest surface 40 is located behind the front switch portion 30S of the torch switch 30.

An example welding torch includes: a handle piece that is electrically and mechanically connected to the torch head on a first end of the handle piece; a power supply connector configured to be coupled to a welding power supply on a first end of the power supply connector, wherein at least one of the handle piece or the power supply connector are a single piece; a welding cable that is electrically and mechanically connected to both a second end of the handle and a second end of the power supply connector; a first cover over the torch head, the handle piece, and a first portion of the welding cable connected to the handle piece; and a second cover over the power supply connector and a second portion of the welding cable connected to the power supply connector.

To provide a welding torch device which can facilitate maintenance of a wire guide for supplying a consumable electrode, and to provide a welding method using the welding torch device.SOLUTION: In a welding torch device 1 including a welding torch body 2 and a wire supply device 10 and a welding method using the welding torch device, the wire supply device 10 includes: a wire guide body 21 fixed to a tip side of the welding torch body 2; a wire guide 31 which is disposed at the outer side of the welding torch body 2 in a first radial direction R1 and supported by the wire guide body 21 in an inclined attitude at which a tip part is located close to a tip of a torch nozzle 4; and a wire guide fixture 15 having a first fixture part 16 fixed to the welding torch body 2, a second fixture part 17 fixed to the wire guide 31, and a rotary shaft 18 connecting the first fixture part with the second fixture part. The second fixture part 17 is rotated around the rotary shaft 18 relative to the first fixture part 16 to move the wire guide 31 close to or apart from the welding torch body 2.SELECTED DRAWING: Figure 2

To provide a welding torch which can regulate rotation of an outer cylindrical body provided on a torch barrel part around the torch barrel part with simple configuration, and a retaining ring.SOLUTION: A welding torch comprises: a torch barrel part to a tip side of which a tip member is attached; a cylindrical fitting body which is inserted through the torch barrel part, and of which axial movement to a tip side is regulated by a regulation part provided on the torch barrel part; an outer cylindrical body which is fastened to the fitting body on an axial tip side with respect to the regulation part, whereby axial movement of which is regulated in a state of being externally packaged in the torch barrel part; and a retaining ring is inserted through the torch barrel part so as to regulate rotation of the outer cylindrical body with respect to the torch barrel part.SELECTED DRAWING: Figure 4

To provide a TIG welding torch comprising a narrowed nozzle, which can improve safety and a welding quality.SOLUTION: A TIG welding torch comprising a narrowed nozzle is provided with a conductive electrode nozzle 1, provided at a tip part of a torch body 7, which stores a narrowed nozzle 2, and an earth cable connection terminal 3 electrically connected to the electrode nozzle 1. The electrode nozzle 1 comprises a cylindrical nozzle body 1A and a beam nozzle 1B detachably attached to the nozzle body 1A. The beam nozzle 1B comprises a conical tapered part 1d having a nozzle hole 1c at a tip thereof, and a cylindrical part 1f connected to a rear end of the tapered part 1d and having a screw part that is screwed to the nozzle body 1A. The tapered part 1d has a tip edge 1g whose base material can be contacted with the whole circumference of the nozzle hole 1c and also has a first gas exhaust hole 1h on a conical peripheral side surface thereof. The nozzle body 1A has a second gas exhaust hole 1b on a cylindrical peripheral side surface thereof.SELECTED DRAWING: Figure 5

A semi-automatic torch trigger for a rotating power connector in use in a welding torch cables is provided. In some examples, a trigger mechanism is configured to transmit control signals through a transmission channel that is not subject to mechanical wear from rotational movement of the rotating power connector, providing reliable communication between a welding torch trigger and a welding power supply without breaking electrical contact or putting unnecessary strain on the welding cable, even as the welding torch rotates relative to the welding torch cable.

A torch assembly for additive manufacturing is described. The torch assembly can apply at least two arcs surrounding a feed wire during an additive manufacturing process. The additional arc provides better shielding functions during the process.

A welding device (1) has a contact tip (2) with an elongated feeding means for feeding a welding wire (4), wherein the contact tip (2) is arranged on or in a nozzle holder (6). A feed device (100) transfers the welding wire (4) from a first orientation into a second orientation, wherein in the first orientation the welding wire (4) is fed to the feed device (100), and in the second orientation the welding wire (4) is led out of the feed device (100) to the nozzle holder (6). A plurality of welding wire cores (8, 10) are introduced into a conduit element (200) via a first conduit element end (202). The welding wire (4) which is guided in the welding wire cores (8, 10) can be guided out of the conduit element (200) via a second conduit element end (204). The welding wire (4) which is guided out of the conduit element (200) via the second conduit element end (204) can be fed into the feed device (100), especially while in the first orientation.

To provide a welding torch having a configuration capable of suppressing the increase in size and complexity of the device structure of the welding torch.SOLUTION: A welding torch 1 includes: a first gas lens 209 which is fixed to the inner periphery that constitutes a first inert gas flow path GF1 at the tip side of a collet 215, and laminarizes the flow of a first inert gas G1 flowing through the first inert gas flow path GF1; and a second gas lens 213 which is disposed in a second inert gas flow path GF2 formed between the outer periphery of the collet 215 and the inner periphery of a gas lens collet 217, and laminarizes the flow of a second inert gas G2.SELECTED DRAWING: Figure 3

Provided in this disclosure is a detachable power connection, particularly for use with a welding system. A male conductor, retained within a first connector, is matingly received within a female conductor, retained within a second connector. An aligning insulator of the second connector encloses and internally retains the female conductor. The aligning insulator includes alignment features formed along an exterior surface of the aligning insulator. A locking body of the first connector retains the male conductor and includes an interior surface for defining an internal void for matingly receiving the exterior surface of the aligning insulator therein. The locking body includes second alignment features formed along the interior surface for matingly engaging the respective first alignment features. A locking nut is formed onto one of the first connector or second connector, for releasably securing the first and second connectors together to form the detachable power connection.

A rotary torch includes: a hollow cylindrical case; a hollow cylindrical body rotatably supported by the case in a radially inward of the case; a hollow cylindrical wire guide disposed radially inward of the body in a non-rotatable manner, the wire guide configured to receive a filler wire to pass through; an electrode disposed at a distal end of the body, the electrode integrally rotatable with the body, the electrode extending toward the filler wire; and a power supply brush disposed in the case.

The invention relates to a method and a welding torch for gas tungsten arc welding, wherein an electric arc burns between a non-consumable electrode (110) and a workpiece (151). The interior of the electrode (110) has a cavity (200) through which an electrically conducting filler (210) is fed in the direction (230a) of the workpiece (151), said filler (210) being energized.

A nozzle assembly for a welding torch is disclosed. The nozzle assembly comprises a nozzle, a contact tip, and a gas diffuser assembly. The gas diffuser assembly comprises a gas diffuser, coupled to an insulator. The gas diffuser is also coupled to a gooseneck and the contact tip. The nozzle is coupled to the gas diffuser assembly, such that the contact tip is retained within the nozzle. The nozzle and gas diffuser assembly further include complementary engagement features to couple the nozzle to the gas diffuser assembly. The nozzle also includes a spatter deflector configured to deflect or block spatter from obstructing gas holes of the gas diffuser assembly.

The present application relates to a welding fume torch (200), which include: a handle (202) having a grip section (212), a neck (206) extending from a forward end of the handle (202), a fume collection nozzle (208) in fluid communication with an interior of the handle (202), and a fume hose in fluid communication with the fume collection nozzle (208) via the interior of the handle (202), the handle (202) including a fume channel having a larger flow area than the grip section (212), having at least one dimension that is larger than a same dimension of at least one section of the handle (202) forward of the fume channel (408a), and configured to reduce flow resistance for fume between the fume collection nozzle (208) and the fume hose, at least part of the fume channel being forward of the grip section (212).

To facilitate the handling of an electrode rod arranged inside an inner nozzle.SOLUTION: A weld torch 1 comprises an electrode 20, an inner nozzle 50, an outer nozzle 70, and an elastic member 100. The electrode 20 extends along a first direction and has a tip 21 on one side of the first direction. The inner nozzle 50 is arranged outside the electrode rod 20 so that a first gas passage F1 to penetrate a shield gas is formed with the tip 21 of the electrode rod 20. The outer nozzle 70 is arranged outside the inner nozzle 50 so that a second gas passage F2 to penetrate a shield gas is formed with the inner nozzle 50. The elastic member 100 energizes the inner nozzle 50 toward one side of the first direction. This torch is constituted so that the tip 21 of the electrode rod 20 can project from the inner nozzle 50 by moving the inner nozzle 50 to the other side of the first direction against the energization force of the elastic member 100.SELECTED DRAWING: Figure 2

To suppress occurrence of a blow hole in a double shield TIG welding method performed by applying an AC welding current Iw.SOLUTION: A double shield TIG welding method uses a welding torch equipped with an inner nozzle for ejecting inner gas and an outer nozzle for ejecting outer gas, and performs welding by applying AC welding current Iw formed from electrode negative polarity current during an electrode negative polarity period and electrode positive polarity current during an electrode positive polarity period. In the double shield TIG welding method, electrode positive polarity current from time t4 to time t7 is composed of first electrode positive polarity current during a first electrode positive polarity period from time t4 to time t5 and second electrode positive polarity current during a second electrode positive polarity period from time t5 to time t6, a value of the first electrode positive polarity current is 20% to 60% of a peak value of the second electrode positive polarity current, and the first electrode positive polarity period is 5% to 30% of the electrode positive polarity period.SELECTED DRAWING: Figure 2

An electrical connector (30) is disclosed. The electrical connector includes a multi-diameter power pin (500) having a proximal portion (510) having a first diameter (d); an engagement portion (520) having a second diameter (d1) smaller than the first diameter; a bearing portion (530) having a third diameter (d2) smaller than the second diameter; and a threaded distal portion (540) having a fourth diameter (d3) smaller than the third diameter. A receiving block (400) having a multi-diameter through hole (402) is configured to receive the multi-diameter power pin (500). The receiving block (400) includes a plurality of gaps (432A,432B,434) extending radially from the multi-diameter through hole (402) to an outer surface of the receiving block (400), a receiving portion (420) disposed between a lateral surface of the receiving block and a first gap of the plurality of gaps; and a clamping portion (430) disposed between the plurality of gaps (432A,432B,434).

The present invention relates to a teaching tool (1) for a welding torch (10) having a gas nozzle (11) with an opening (12) for a non-molten electrode (13) having a tip (14), which is used when teaching a welding path (X) along a workpiece (W) of a welding torch (16) attached to a welding robot (16), in particular a plasma welding torch (15), the teaching tool (1) having a substantially annularly symmetric body portion (2) having a free end (3), a welding torch (10) provided with such a teaching tool (1), and a method for teaching a welding path (X) of a welding torch (10) provided with such a teaching tool (1), wherein the body portion (2) is formed of an elastic material. The teaching tool (1) is characterized in that the body portion (2) has a connector (4) arranged on the side opposite to the free end (3), and the connector (4) is formed by a frustum (5) for fixing without tools to the opening (12) of the gas nozzle (11) of the welding torch (10).

To efficiently perform sound welding by suppressing weld defects while suppressing a welding amount and preventing the occurrence of high temperature cracks in flat position welding.SOLUTION: In a narrow groove 50 of horizontal welding, a lower groove angle θ on a lower plate 5A side is set to 35 ° to 45 ° upward from the horizontal, and an upper groove angle α is set to be larger than the lower groove angle θ in a range of 2 ° to 5 °. In the inclined narrow groove welding method, a root gap RG of a narrow groove 50 is set in a range of 9 mm-12 mm, a backing metal 6 is provided which is attached to a lower plate 5A and an upper plate 5B and positions a groove surface lower end part 5A of the upper plate 5B and sets a groove angle and the root gap RG, a contact tip having a wire hole for feeding a weld wire into the narrow groove 50 is inserted, and the lower plate 5A and the upper plate 5B are welded without rotating the contact tip around a nozzle shaft in one pass in the narrow groove 50.SELECTED DRAWING: Figure 3

An example rotating power adapter configured to provide electrical current to a welding-type tool and comprising: a casing comprising a first end and a second end; and a rotating component within the casing, wherein the rotating component comprises a first interface at the first end of the casing and a second interface at the second end of the casing and is configured to receive a first connection at the first interface and a second connection at the second interface, wherein the first connection is a welding component connection or a first welding cable connection, the second connection is a welding-type tool connection or a second welding cable connection, wherein one or more of the first interface or the second interface are configured to rotate with the rotating component, and wherein the rotating component provides a path for the electrical current from a welding component to the welding-type tool.

An example welding torch includes a torch head, a torch handle including conductive tubing electrically and mechanically connected to the torch head at a first end of the conductive tubing, one or more welding power conductors, a gas conductor, and one or more coolant lines directly connected to a second end of the conductive tubing, and a casing configured to cover the one or more welding power conductors. An example welding torch includes a torch head configured to conduct welding-type power, a torch handle including conductive tubing coupled to the torch head, and a torch cable integrally coupled to the torch handle at a first end of the torch cable, the torch cable and the torch handle including an electrical path from a power supply connector to the torch head and a coolant path to cool the torch head.