CN215091268U - Welding head for platform spot welding machine - Google Patents

Abstract

The utility model discloses a welded joint for platform spot welder, including first horizontal arm, second horizontal arm, vertical arm and welder, the lower extreme of vertical arm is provided with the articulated slab, welder is including welding pole and electrode, the welding pole middle part is articulated with the articulated slab, and welding pole one end extends to vertical arm under, and the electrode is connected to the other end, the upper end of vertical arm is provided with the cylinder, and the jar pole of cylinder is connected the welding pole through the chain that runs through vertical arm. The utility model has the advantages that: this device design articulated soldered connection, and weld the pole and pass through the chain with the cylinder and be connected, the cylinder starts the back, and chain pulling welds pole one end and shifts up for the other end of welding the pole, the one end that has the electrode promptly moves down, thereby contacts the welding point, just because the design of chain, so when carrying out the alignment, we can manually lift up and weld the pole, make the electrode push down and the work piece contact, just can accomplish the calibration, unusual convenience.

Description

Welding head for platform spot welding machine

Technical Field

The utility model relates to a platform welding machine, concretely relates to platform is soldered connection for spot welder.

Background

The electric welder is to utilize the high temperature electric arc produced by the instantaneous short circuit of the positive and negative poles to melt the welding flux and the welded material on the welding electrode and to combine the contacted material.

The articulated traceless platform spot welder is a spot welder with a brand new concept and has the advantages that the traditional spot welder cannot compare with. The existing platform spot welding machine is characterized in that a welding head is arranged at the upper end of the existing platform spot welding machine, the existing platform spot welding machine can be moved to the position right above any position of a platform through a joint, then an electrode is driven to descend through an air cylinder, when the electrode and the platform below are in contact with an object, a loop is formed after the electrode and the platform below are electrified, and electric welding is conducted.

However, the welding head on the existing platform spot welding machine is generally vertical downward, the welding head is difficult to weld at some positions in the cabinet, the welding head which is deep in the cabinet can be extended by design, but the existing welding head still drives the vertical downward movement to contact with a workpiece through the air cylinder, the workpiece which is open at the upper part cannot be in a problem in the mode, when the upper part is shielded, a worker cannot see whether the welding head is aligned with the welding point, and the air cylinder is often required to be started for calibration for many times, so that the welding is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soldered connection for platform spot welder solves the soldered connection of current platform spot welder when the welding cabinet body depths, because there is the panel to shelter from the top, is difficult to judge whether aim at the solder joint, needs calibration many times, leads to the problem that welding process is complicated.

In order to realize the basis the utility model discloses a these objects and other advantages provide soldered connection for platform spot welder, including first horizontal arm, second horizontal arm, vertical arm and welder, the one end of first horizontal arm and the upper end fixed connection of vertical arm, the other end is articulated with the one end of second horizontal arm, and the lower extreme of vertical arm is provided with the articulated slab, welder is including welding pole and electrode, it is articulated with the articulated slab to weld the pole middle part, and the pin joint of welding pole and articulated slab is located the below of vertical arm, and the pin joint misplaces in vertical direction with vertical arm, welds pole one end and extends to vertical arm under, and the electrode is connected to the other end, the upper end of vertical arm is provided with the cylinder, and vertical arm is cavity, and the jar pole of cylinder connects the welding pole through the chain that runs through vertical arm.

Preferably, the hinged plate comprises two L-shaped plates which are parallel to each other, the bending part of each L-shaped plate is positioned under the vertical arm, one end of each L-shaped plate is fixed at the lower end of the vertical arm, the other end of each L-shaped plate is hinged to the welding rod, and the welding rod is positioned between the two L-shaped plates.

Preferably, when the welding rod is horizontal, the lower end of the welding rod is lower than the lower ends of the L-shaped plates in the horizontal position, a limiting plate is arranged at the lower end of the welding rod, and the width of the limiting plate is larger than the distance between the two L-shaped plates.

Preferably, the welding rod is connected with the chain through the mounting lug, the mounting lug is fixed on the mounting plate, the mounting plate is attached to the welding rod, and the mounting plate and the welding rod are fixed through screws.

Preferably, a handle fixing plate is arranged on the mounting plate, a handle is arranged on the handle fixing plate, and the handle fixing plate are fixed through screws.

Preferably, the handle is provided with anti-skid grains.

The utility model discloses at least, include following beneficial effect: this device design articulated soldered connection, and weld the pole and pass through the chain with the cylinder and be connected, the cylinder starts the back, and chain pulling welds pole one end and shifts up for the other end of welding the pole, the one end that has the electrode promptly moves down, thereby contacts the welding point, just because the design of chain, so when carrying out the alignment, we can manually lift up and weld the pole, make the electrode push down and the work piece contact, just can accomplish the calibration, unusual convenience.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic view of the present apparatus;

FIG. 2 is an enlarged view of the direction A of FIG. 1;

FIG. 3 is a schematic view of a connection structure of the hinge plate when the hinge plate is a square plate;

FIG. 4 is a schematic view of a connection structure of a hinge plate adopting two L-shaped plates;

fig. 5 is a schematic view of the torch.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited to the description. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1 to 5, the welding head for the spot welding machine for the platform includes a first horizontal arm 100, a second horizontal arm 200, a vertical arm 300, and a welding gun 400, wherein one end of the first horizontal arm 100 is fixedly connected to the upper end of the vertical arm 300, the other end of the first horizontal arm is hinged to one end of the second horizontal arm 200, a hinge plate 500 is disposed at the lower end of the vertical arm 300, the welding gun 400 includes a welding rod 401 and an electrode 402, the middle portion of the welding rod 401 is hinged to the hinge plate 500, a hinge point 501 between the welding rod 401 and the hinge plate 500 is located below the vertical arm 300, the hinge point 501 and the vertical arm 300 are vertically displaced, one end of the welding rod 401 extends to the position right below the vertical arm 300, the other end of the welding rod is connected to the electrode 402, an air cylinder 600 is disposed at the upper end of the vertical arm 300, the vertical arm 300 is hollow, and the rod of the air cylinder 600 is connected to the welding rod 401 through a chain 601 penetrating through the vertical arm 300.

The middle section of the welding rod 401 is hinged with the hinged plate 500 to form a seesaw structure, when one end is lifted, the other end is pressed downwards, so that one end of the welding rod 401 extends to the lower part of the vertical arm 300, which is called a control end, and is connected with the cylinder rod of the cylinder 600 through the chain 601, the chain 601 penetrates through the vertical arm 300 along the extending direction of the vertical arm 300, the upper end is connected with the cylinder 600, and the lower end is connected with the welding rod 401.

After the cylinder 600 is started, the cylinder rod pulls the chain 601, so that the control end of the welding rod 401 is lifted, the end of the welding rod 601 provided with the electrode 602 is pressed down to contact with a workpiece, and after the electrode 602 is electrified, electric welding is performed.

In the device, one end of the second horizontal arm 200 is hinged with the first horizontal arm 100, the other end is hinged with the mounting column 700, the first horizontal arm 100 and the second horizontal arm 200 form a joint, and the vertical arm 300 can be moved to the position right above any position of the lower platform in a hinged rotation mode.

This device welds before, can calibrate earlier, weld pole 401 through artifical manual control, make electrode 402 descend, then through removing vertical arm 300, make electrode 402 can just to the welding point, at this moment, welding pole 401 is loosened, welding pole 401 resumes to the original position, the gravity that sets up electrode 402 one end promptly is slightly less than the other end, so change the end because gravity sticks up, at this moment restart cylinder 600, cylinder pulling welds pole 401, electrode 402 descends once more, contact the welding point, weld after the circular telegram.

The welding rod 401 is mounted in the first way: referring to fig. 3, the hinge plate 500 may be a square plate fixed to the lower end of the vertical arm 300, but the central axis of the vertical arm 300 does not pass through the hinge plate 500, and one side of the square plate is beyond the vertical arm 300, and a hinge point is designed below the side, so that one end of the welding rod 401 can extend to a position right below the vertical arm 300. In a manner other than that of the present device

And the second method comprises the following steps: in the first installation mode of the welding rod 401, there are two defects, one is that the hinge plate 500 is too large, which wastes cost, and the other is that only one side of the welding rod 401 is hinged, which is unstable and easy to fall off, so, as shown in fig. 1, 2, 4 and 5, in the second installation mode, the hinge plate 500 includes two L-shaped plates 502 parallel to each other, the bent part of the L-shaped plate 502 is located right below the vertical arm 300, one end of the L-shaped plate 502 is fixed at the lower end of the vertical arm 300, the other end is hinged with the welding rod 401, and the welding rod 401 is located between the two L-shaped plates 502.

In the second way, the hinge plate 500 is designed to be L-shaped, so that a hinge point 501 which is offset from the vertical arm 300 in the vertical direction and is located below the vertical arm 300 can be obtained, and the hinge plate 500 is provided with two L-shaped plates 502 which clamp the welding rod 401 in the middle, so that the hinge reliability is ensured.

As shown in fig. 1, 2, 4 and 5, when the welding rod 401 is horizontal, the lower end of the welding rod 401 is lower than the lower end of the L-shaped plate 502 in the horizontal position, the lower end of the welding rod 401 and the lower end of the L-shaped plate 502 are in the same horizontal position, the lower end of the welding rod 401 is provided with a limit plate 403, the width of the limit plate 403 is larger than the distance between the two L-shaped plates 502, namely, the part of the limit plate 403 exceeds the L-shaped plate 502, the limit plate 403 arranged at the lower end of the welding rod 401, when the welding rod 401 rotates to a certain angle, the limiting plate 403 will abut against the L-shaped plate 502, so that the welding rod 401 cannot rotate, the rotation angle is related to the vertical distance of the limiting plate 403 from the L-shaped plate 502, and also related to the length of the limiting plate 403 itself, however, the design method avoids the phenomenon that the welding rod 401 is excessively rotated, for example, the electrode 402 is excessively lifted when the calibration is manually performed, so that the electrode 402 and the workpiece are greatly collided.

The welding rod 401 is connected with the chain 601 through the mounting lug 404, the mounting lug 404 is fixed on the mounting plate 405, the mounting plate 405 is attached to the welding rod 401, and the mounting plate 405 and the welding rod 401 are fixed through screws. The welding rod 401 is connected with the chain 601 through an installation lug 404, the installation lug 404 is connected with the welding rod 401 through an installation plate 405, and the chain 601 and the welding rod 401 are convenient to detach.

As shown in fig. 1 to 5, a handle fixing plate 406 is disposed on the mounting plate 405, a handle 407 is disposed on the handle fixing plate 406, and the handle 407 and the handle fixing plate 406 are fixed by screws. The handle fixing plate 406 is installed at one end of the mounting plate 405 close to the end of the welding rod 401, the handle fixing plate 406 is integrally connected with the mounting plate 405, and the handle 407 is arranged at the upper end of the handle fixing plate, so that a worker can conveniently control the welding rod 401. Be provided with anti-skidding line on the handle 407, make things convenient for the staff to hold handle 407 tightly, avoid the staff operation to skid.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims (6)

1. Welding head for platform spot welder, its characterized in that, including first horizontal arm, second horizontal arm, vertical arm and welder, the one end of first horizontal arm and the upper end fixed connection of vertical arm, the other end is articulated with the one end of second horizontal arm, and the lower extreme of vertical arm is provided with the articulated slab, welder is including welding pole and electrode, weld the pole middle part and articulate with the articulated slab, weld the pole and lie in the below of vertical arm with the pin joint of articulated slab, and pin joint and vertical arm dislocation in vertical direction, weld pole one end and extend to vertical arm under, the electrode is connected to the other end, the upper end of vertical arm is provided with the cylinder, and vertical arm is cavity, and the jar pole of cylinder is connected the welding pole through the chain that runs through vertical arm.

2. The welding head of claim 1 wherein said hinged plate comprises two L-shaped plates parallel to each other, said bent portions of said L-shaped plates being positioned directly below said vertical arm, one end of said L-shaped plate being fixed to the lower end of said vertical arm and the other end being hinged to a welding rod, said welding rod being positioned between said two L-shaped plates.

3. The welding head of claim 2, wherein when the welding rod is horizontal, the lower end of the welding rod is lower than the lower end of the L-shaped plate in the horizontal position, a limiting plate is arranged at the lower end of the welding rod, and the width of the limiting plate is larger than the distance between the two L-shaped plates.

4. The welding head of claim 1, wherein the welding rod is connected to the chain by a mounting lug, the mounting lug is fixed to a mounting plate, the mounting plate is attached to the welding rod, and the mounting plate and the welding rod are fixed by screws.

5. A welding head for a spot welder according to claim 4, wherein a handle fixing plate is provided on said mounting plate, a handle is provided on said handle fixing plate, and said handle fixing plate are fixed by screws.

6. A welding head for a spot welder as claimed in claim 5, wherein said handle is provided with an anti-slip texture.

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