CN214411644U - Magnetic base type negative pole grounding - Google Patents

Abstract

The utility model discloses a magnetic base formula negative pole bonding, its technical scheme does, and magnetic base formula negative pole bonding, including the connecting plate, the bottom surface of connecting plate one end is equipped with magnetic force seat, and the other end of connecting plate is equipped with bonding, and the bonding upper end is the wiring end, and the lower extreme of bonding is the contact jaw, and the wiring end is equipped with quick detach structure. The beneficial effects of the utility model are that, magnetic force lock can realize through the direction change of inside magnet to the existence of outer magnetism, installs the bonding through setting up the magnetic force seat, and the quick installation of the bonding of being convenient for is taken off and position control, and the magnetic force seat does not show magnetism when not using, can not adsorb the scum iron fillings, and quick detach structure can realize the quick assembly disassembly of electric welding negative pole line and bonding, convenient to use simultaneously.

Description

Magnetic base type negative pole grounding

Technical Field

The utility model relates to a welding equipment field especially relates to magnetic base formula negative pole bonding.

Background

When welding, the negative electrode of the electric welding machine needs to be connected to a workpiece to be welded, the connection structure between the negative electrode wire and the workpiece is called as a bonding, generally, the bonding is mainly formed by welding conductive materials such as an iron hook or an iron block and the like on the workpiece, and when the negative electrode is welded, on one hand, the position of the negative electrode needs to be fixed by hands and welding is carried out simultaneously, so that the welding is very unsafe; on the other hand, the welding device is difficult to disassemble, and the residual welding traces after the disassembly are difficult to remove.

Patent document CN212311291U discloses a magnetically attracted ground iron, which makes the ground iron easier to mount and dismount, but still has the following problems: when the magnet is close to the workpiece, the attraction force is increased sharply, the magnet is attracted quickly, an operator cannot accurately position the position of the contact, and the position cannot be adjusted after attraction; the magnet is very laborious to detach, and the base is easy to bend and break; although the magnet can adsorb a special-shaped workpiece, the conductor can only be pressed downwards through the spring, the stroke is limited, and poor contact is easy to occur sometimes; when the iron slag scraper is not used, a large amount of iron slag iron chips can be adsorbed by the magnet, so that the iron slag iron chips are not easy to remove, and a workpiece is easy to scrape when the iron slag scraper is used.

Disclosure of Invention

The utility model discloses to current magnetism inhale formula bonding because the too big unable adjusting position of appeal when being close to the work piece, pull down the problem of difficulty, provide one kind can change magnetism, the magnet holder formula negative pole bonding of the dismouting and the adjustment position of being convenient for.

For solving the problem, the utility model discloses a technical scheme be, magnet holder formula negative pole bonding, including the connecting plate, the bottom surface of connecting plate one end is equipped with magnetic base, and the other end of connecting plate is equipped with bonding, and the bonding upper end is the wiring end, and the lower extreme of bonding is the contact jaw, and the wiring end is equipped with quick detach structure. Magnetic force lock can realize through the direction change of inside magnet whether to outer magnetism, installs the bonding through setting up the magnetic force seat, and the quick installation of the bonding of being convenient for is taken off and position control, and the magnetic force seat does not show magnetism when not using, can not adsorb iron fillings, and quick detach structure can realize the quick assembly disassembly of electric welding negative pole line and bonding simultaneously, convenient to use.

Preferably, the magnetic base is connected with the connecting plate through a connecting rod and a hinge structure, the hinge structure comprises an upper hinge and a lower hinge, the upper hinge is fixedly connected with the bottom surface of the connecting plate, the lower hinge is connected with the top end of the connecting rod, the lower end of the connecting rod is connected with the magnetic base, and a connecting shaft of the upper hinge and the lower hinge is located on one side close to a bonding. The movable range of the grounding contact end is enlarged, and the grounding device is suitable for workpieces with multiple corners.

Preferably, a torsion spring is connected to the connecting shaft in a penetrating manner, one end of the torsion spring presses the top surface of the lower hinge, the other end of the torsion spring presses the bottom surface of the upper hinge, and the torsion spring can enable the upper hinge and the lower hinge to rotate and be opened by taking the connecting shaft as a shaft. The contact end is pressed against the workpiece.

Preferably, the connecting rod is a universal tube. Further expand the range of motion of contact end, complicated surface work piece location bonding contact is more convenient nimble.

Preferably, the rapid disassembly structure includes the connection terminal, and the lateral wall of connection terminal has the screw thread, and the upper portion of connection terminal is the frustum type, and the top surface of connection terminal is equipped with the counter bore, and the counter bore is used for holding the negative pole line of electric welding, installs the adapter sleeve on the connection terminal, adapter sleeve and connection terminal threaded connection, and the top surface of adapter sleeve is equipped with frustum type hole, and the big tip diameter in frustum type hole and small tip diameter all are between the top surface diameter and the screw thread root diameter of connection terminal. Frustum type hole and connection terminal upper portion frustum contact and compress tightly, screw up the adapter sleeve and can make the connection terminal shrink by a small margin, fix the negative pole line, unscrew the adapter sleeve and can take off the negative pole line, at the even application of force of the circumference of negative pole line, it is fixed more firm, and can not press from both sides bad negative pole line.

Preferably, the counter bore is detachably provided with a wiring sleeve, a radial through hole is formed in the wiring sleeve, the wiring sleeve and the counter bore are in interference fit, and the wiring sleeve covers the negative wire of the electric welding machine. The wiring sleeve is arranged at the wire end of the negative wire, so that the multi-strand wire core is integrated, the assembly and disassembly are more convenient, and the negative wire is further protected.

Preferably, the axial length of the wiring sleeve is larger than the depth of the counter bore, and an insulating layer is arranged on one section of outer wall of the wiring sleeve, which protrudes out of the counter bore. When the wire connecting sleeve is pulled when the wire is taken out, the negative wire is not stressed, and the wire core is not pulled out of the outer layer rubber.

Preferably, the wire holder is uniformly provided with three fastening grooves along the radial direction, and the fastening grooves penetrate from the outer side wall of the wire holder to the inner wall of the counter bore. The shrinkage range of the wire holder is increased, and the installation of the negative wire is firmer.

Through the technical scheme, the utility model has the advantages that the magnetic base is arranged, the conversion of magnetism can be realized, and the bonding disassembly and assembly and the position adjustment are convenient; when not in use, the magnetic material is not magnetic, and impurities such as scrap iron and the like can not be adsorbed; the grounding and the negative wire of the electric welding machine are conveniently and quickly disassembled and firmly connected; the flexible joint is arranged, the movable range of the grounding contact end is large, and the use is flexible; the contact end can tightly support the workpiece and cannot be loosened.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a front view of an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a wiring terminal according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of a hinge structure according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of a magnetic base.

Fig. 6 is a state diagram of the present invention in use.

In the figure: 1. the welding machine comprises a magnetic base, 2 universal tubes, 3 connecting plates, 4 bonding, 5 contact ends, 6 wire holders, 6-1 fastening grooves, 7 fastening sleeves, 8 wire sleeves, 9-1 upper loose leaves, 9-2 lower loose leaves, 10 torsion springs, 11 soft magnetic materials, 12 nonmagnetic materials, 13 bar magnets, 14 welded workpieces and 15 welding machine negative wires.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

As shown in fig. 1 to 4, the magnetic base type negative pole ground includes a connecting plate 3, the connecting plate 3 is a long strip plate, a magnetic base 1 is disposed on the bottom surface of one end of the connecting plate 3, a ground 4 is disposed on the other end of the connecting plate 3, the ground 4 penetrates through the connecting plate, the lower end of the ground 4 (i.e., the end located on the same plane as the magnetic base 1) is a contact end 5, the contact end 5 is conical, the vertex of the cone is a contact point, and the upper end of the ground 4 is a connection terminal.

The top of the magnetic base 1 is provided with a universal pipe 2, the lower end of the universal pipe 2 is connected with the magnetic base 1, the upper end of the universal pipe 2 is provided with a hinge structure, the hinge structure comprises an upper hinge 9-1 and a lower hinge 9-2, the bottom surface of the lower hinge 9-2 is connected with the upper end of the universal pipe 2, the top surface of the upper hinge 9-1 is connected with a connecting plate 3, the upper hinge 9-1 and the connecting plate 3 are preferably riveted, the upper hinge 9-1 and the lower hinge 9-2 are connected through a connecting shaft, the connecting shaft is positioned at one side close to a bonding iron 4, the connecting shaft 4 is provided with a torsion spring 10, one end of the torsion spring 10 is pressed against the top surface of the lower hinge 9-2, the other end is pressed against the bottom surface of the upper hinge 9-1, grooves for accommodating the two ends of the torsion spring 10 are arranged at corresponding positions of the top surface of the lower hinge 9-2 and the bottom surface of the upper hinge 9-1, as shown in figure 4, the torsion spring 10 can rotate and support the upper hinge 9-1 and the lower hinge 9-2 by taking the connecting shaft as an axis, so that the contact end 5 of the bonding iron can be pressed on the surface of a workpiece in use, the universal pipe 2 can be bent into various shapes and angles, and the bonding iron can be well contacted with workpieces in various shapes by matching with a hinge structure.

As shown in fig. 3, the wiring end is provided with a quick release structure, the quick release structure comprises a wiring seat 6, the side wall of the wiring seat 6 is provided with threads, the upper portion of the wiring seat 6 is in a frustum shape, the top surface of the wiring seat 6 is provided with a counter bore, three fastening grooves 6-1 are uniformly arranged on the wiring seat 6 along the radial direction, the fastening grooves 6-1 penetrate through the inner wall of the counter bore from the outer side wall of the wiring seat 6, the wiring seat 6 is divided into a three-jaw structure by the three fastening grooves 6-1, a fastening sleeve 7 is arranged on the wiring seat 6, the fastening sleeve 7 is in threaded connection with the wiring seat 6, the top surface of the fastening sleeve 7 is provided with a frustum-shaped hole, the large circular end diameter and the small circular end diameter of the frustum-shaped hole are both between the top surface diameter and the thread root diameter of the wiring seat 6, a wiring sleeve 8 is detachably arranged in the counter bore, the wiring sleeve 8 is in interference fit with the counter bore, a radial through hole is arranged in the wiring sleeve 8, and the wiring sleeve 8 is used for wrapping a negative electrode wire of an electric welding machine.

The wiring sleeve 8 can be permanently sleeved on the wire core with the exposed negative wire connecting end, the wiring sleeve 8 is directly inserted into the wiring seat when the wiring sleeve is used, then the fastening sleeve 7 is screwed, the frustum-shaped hole is contacted with and pressed tightly against the frustum on the upper part of the wiring seat 6 along with the screwing of the fastening sleeve 7, and the three claw parts of the wiring seat 6 shrink inwards to clamp the wiring sleeve 8; when the wire connecting sleeve 8 is disassembled, the fastening sleeve 7 is unscrewed. When not in use, the wiring sleeve 8 can also protect the exposed wire core of the negative wire.

In order to facilitate the extraction of the wiring sleeve 8, the axial length of the wiring sleeve 8 is greater than the depth of the counter bore, and one section of outer wall of the fastening sleeve 7 protruding out of the counter bore is provided with an insulating layer, so that the negative pole wire does not need to be pulled when being extracted, and the negative pole wire can be prevented from being damaged by pulling.

The connecting plate 3 is made of a bakelite plate, the bonding and the wiring sleeve are made of copper, and the fastening sleeve is made of steel.

The principle of the magnetic base is shown in fig. 5, the magnetic base comprises two oppositely arranged arched soft magnetic materials 11 (generally, electrical soft iron), two ends of the soft magnetic materials 11 are separated by nonmagnetic materials 12 (generally, brass), the soft magnetic materials 11 and the nonmagnetic materials 12 enclose a cylindrical inner cavity, a bar magnet 13 is arranged in the inner cavity, the bar magnet 13 can rotate in the inner cavity, the soft magnetic materials 11 have the characteristic of being capable of being quickly magnetized and demagnetized, when two poles of the bar magnet 13 are opposite to the soft magnetic materials 11 on two sides (namely, the state shown in fig. 5), the soft magnetic materials 11 are magnetized, and the magnetic base has magnetism outwards; when the bar magnet 13 rotates to the position that two poles of the bar magnet face the non-magnetic material 12, the middle of the bar magnet 13 faces the soft magnetic material 11, the magnetism of the middle position of the bar magnet 13 is very small, at the moment, the soft magnetic material 11 is demagnetized, and the magnetic force seat does not show magnetism to the outside.

Based on the principle, when the bonding is used, the magnetic base 1 is set to be in a non-magnetic state, and the magnetic base switch is rotated after a proper position is found on a workpiece, so that the magnetic base 1 is adsorbed on the surface of the workpiece; the magnetic base can be easily taken down only by turning off the magnetic base switch, and can be quickly adjusted by turning off the magnetic base switch when the position needs to be adjusted; when the magnetic base is stored, the switch of the magnetic base is closed, the magnetic base 1 does not show magnetism, and sundries such as iron slag, iron chips and the like can not be adsorbed.

Fig. 6 is a diagram showing the state of the present bond applied to a complex surface workpiece: in the figure, 14 is a workpiece to be welded, 15 is a negative electrode wire of an electric welding machine, as shown in the figure, the universal pipe 2 is bent to enable the contact surface of the contact end 5 and the adsorption surface of the magnetic base 1 to be two surfaces with angles, the contact end 5 is pressed against the contact surface through the hinge structure and the torsion spring, and therefore the grounding iron can be suitable for workpieces to be welded with complex surfaces.

Can find out through above embodiment, the beneficial effects of the utility model are that: the magnetic base is arranged, so that the conversion of magnetism can be realized, and the bonding disassembly and assembly and the position adjustment are convenient; when not in use, the magnetic material is not magnetic, and impurities such as scrap iron and the like can not be adsorbed; the grounding and the negative wire of the electric welding machine are conveniently and quickly disassembled and firmly connected; the flexible joint is arranged, the movable range of the grounding contact end is large, and the use is flexible; the contact end can tightly support the workpiece and cannot be loosened.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. Magnetic base formula negative pole bonding, its characterized in that includes connecting plate (3), the bottom surface of connecting plate (3) one end is equipped with magnetic base (1), the other end of connecting plate (3) is equipped with bonding (4), bonding (4) upper end is the wiring end, the lower extreme of bonding (4) is contact jaw (5), the wiring end is equipped with quick detach structure.

2. The magnetic seat type negative pole ground of claim 1, characterized in that the magnetic seat (1) and the connecting plate (3) are connected through a connecting rod and a hinge structure, the hinge structure comprises an upper hinge (9-1) and a lower hinge (9-2), the upper hinge (9-1) is fixedly connected with the bottom surface of the connecting plate (3), the lower hinge (9-2) is connected with the top end of the connecting rod, the lower end of the connecting rod is connected with the magnetic seat (1), and the connecting shafts of the upper hinge (9-1) and the lower hinge (9-2) are positioned on one side close to the ground (4).

3. The magnetic base type negative pole ground of claim 2, characterized in that a torsion spring (10) is connected to the connecting shaft in a penetrating manner, one end of the torsion spring (10) presses the top surface of the lower loose leaf (9-2), the other end presses the bottom surface of the upper loose leaf (9-1), and the torsion spring (10) can rotatably support the upper loose leaf (9-1) and the lower loose leaf (9-2) by taking the connecting shaft as an axis.

4. The magnetic base negative ground of claim 2, characterized in that the connecting rod is a universal tube (2).

5. The magnetic base type negative pole ground of any one of claims 1 to 4, wherein the quick release structure comprises a wire holder (6), the side wall of the wire holder (6) is threaded, the upper portion of the wire holder (6) is in a frustum shape, the top surface of the wire holder (6) is provided with a counter bore, the counter bore is used for accommodating a negative pole wire of an electric welding machine, a fastening sleeve (7) is installed on the wire holder (6), the fastening sleeve (7) is in threaded connection with the wire holder (6), the top surface of the fastening sleeve (7) is provided with a frustum-shaped hole, and the diameter of a large circular end and the diameter of a small circular end of the frustum-shaped hole are both between the diameter of the top surface of the wire holder (6) and the diameter of the thread root of the thread.

6. The magnetic base type negative pole ground iron of claim 5, characterized in that a wiring sleeve (8) is detachably mounted in the counter bore, a radial through hole is formed in the wiring sleeve (8), the wiring sleeve (8) and the counter bore are in interference fit, and the wiring sleeve (8) covers a negative pole wire of the electric welding machine.

7. The magnetic seat type negative pole ground iron as claimed in claim 6, wherein the axial length of the wiring sleeve (8) is greater than the depth of the counter bore, and an insulating layer is arranged on a section of the outer wall of the wiring sleeve (8) protruding out of the counter bore.

8. A magnetic base type negative pole ground of claim 5, characterized in that, three fastening grooves (6-1) are uniformly arranged on the wire holder (6) along the radial direction, and the fastening grooves (6-1) penetrate from the outer side wall of the wire holder (6) to the inner wall of the counter bore.

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