CN219703905U - Welding electrode device - Google Patents

Abstract

The utility model relates to the technical field of seam welder, in particular to a welding electrode device, which comprises a main flower disc, wherein the main flower disc is provided with a copper electrode, a fixed seat is arranged on the fixed seat in a sliding manner, a sliding bed is arranged on the fixed seat in a sliding manner, a shared swing rod seat is vertically arranged on the sliding bed, and a first rotating shaft and a second rotating shaft are arranged on the shared swing rod seat in parallel; the first rotating shaft is provided with a first driving swing rod and a second driving swing rod, the second rotating shaft is provided with a first auxiliary swing rod and a second auxiliary swing rod, a first welding electrode is arranged between the first driving swing rod and the first auxiliary swing rod, and a second welding electrode is arranged between the second driving swing rod and the second auxiliary swing rod; a first driving cylinder and a first linear damper are arranged between the first driving swing rod and the common swing rod seat, and a second driving cylinder and a second linear damper are arranged between the second driving swing rod and the common swing rod seat. By additionally arranging the first linear damper and the second linear damper, the impact and vibration generated by contact can be reduced; and the contact time of welding is increased, so that the false welding and the missing welding are effectively reduced.

Description

Welding electrode device

Technical Field

The utility model relates to the technical field of seam welding machines, in particular to a welding electrode device.

Background

The steel reinforcement cage seam welder is equipment for winding and welding ring ribs on longitudinal ribs according to a certain pitch so as to weld the ring ribs into a steel reinforcement cage, and mainly comprises a traction disc, a main flower disc, a welding electrode device and a pay-off disc; in the welding process, each longitudinal rib of the reinforcement cage passes through the rear end part of the rib penetrating hole in the copper electrode on the main flower disc and is fixed in the traction disc, and the traction disc is used for pulling each longitudinal rib in a direction away from the main flower disc and uniformly rotating in the pulling process, and meanwhile, the main flower disc rotates along with the longitudinal rib; the paying-off reel and the welding electrode device are respectively placed on two sides of the main flower disc, the paying-off reel is used for placing ring ribs, the end parts of the ring ribs are temporarily fixed with one longitudinal rib, then the ring ribs continuously encircle the peripheries of the longitudinal ribs under the action of the traction disc rotation, the junction points of the ring ribs and the longitudinal ribs are located on copper electrodes of the main flower disc, the junction points are welding positions, the junction points gradually rotate to the welding electrode device of the other side along with the rotation of the traction disc, a first welding electrode in the welding electrode device is contacted with the junction points, a second welding electrode is contacted with the copper electrodes, and thus the first welding electrode, the junction points, the copper electrodes and the second welding electrode form a loop, and metal melting is completed under the action of current.

At present, in order to overcome the problem that the contact time of a first welding electrode and a junction is short, and the cold joint at the junction is caused, a welding device of a reinforcement cage seam welder in the prior patent CN215034400U is designed to be T-shaped, the lower end of the T-shaped electrode guide is sleeved on a rotating shaft on the side surface of a welding frame, so that the electrode guide can rotate by taking the rotating shaft as a circle center, and then the electrode guide is matched with the expansion and contraction of an electrode cylinder, so that the electrode guide can swing back and forth, the welding duration at the junction is further ensured, and the welding quality is improved.

However, with the continuous improvement of the welding speed and the welding quality of the seam welder, the traction and rotation speeds of the traction disc are continuously improved, the impact force generated when the corresponding first welding electrode is contacted with the junction and the corresponding second welding electrode is contacted with the copper electrode is continuously increased when the rotation speed is increased, the contact time between the first welding electrode and the junction and the contact time between the second welding electrode and the copper electrode are definitely reduced, and the problems of false welding and missing welding which are caused by the shortened contact time are also caused.

Disclosure of Invention

In view of the above, the present utility model provides a welding electrode device.

The utility model provides a welding electrode device, which comprises a main flower disc, wherein copper electrodes are uniformly arranged on the main flower disc along the circumferential direction, a fixed seat is arranged on one side of the main flower disc, a sliding bed is arranged on the fixed seat in a sliding manner, a common swing rod seat is vertically arranged on the side surface of the sliding bed, which is close to the main flower disc, and a first rotating shaft and a second rotating shaft are vertically arranged on one side, which is close to the copper electrodes, of the common swing rod seat in parallel; a first driving swing rod and a second driving swing rod are respectively arranged on the first rotating shaft and positioned on the front and rear sides of the shared swing rod seat, the middle of the first driving swing rod and the second driving swing rod are rotationally connected with the first rotating shaft, a first auxiliary swing rod and a second auxiliary swing rod are respectively rotationally arranged on the second rotating shaft and positioned on the front and rear sides of the shared swing rod seat, a first welding electrode is vertically arranged between the end part of the first driving swing rod and the end part of the first auxiliary swing rod, the first welding electrode is hinged with the first driving swing rod and the first auxiliary swing rod, a second welding electrode is vertically arranged between the end part of the second driving swing rod and the end part of the second auxiliary swing rod, and the second welding electrode is hinged with the second driving swing rod and the second auxiliary swing rod; a first driving cylinder and a first linear damper parallel to the first driving cylinder are vertically arranged between the other end of the first driving swing rod and the common swing rod seat, and a second driving cylinder and a second linear damper parallel to the second driving cylinder are vertically arranged between the other end of the second driving swing rod and the common swing rod seat.

Compared with the prior art, the utility model has the beneficial effects that: when the first welding electrode is contacted with the junction point and the second welding electrode is contacted with the copper electrode, respectively under the action of the first linear damper and the second linear damper, reducing the impact and vibration generated by contact; when the first welding electrode and the second welding electrode are retreated, hysteresis is generated under the action of the first linear damper and the second linear damper respectively, the contact time of welding is increased, and the false welding and the missing welding are effectively reduced; in addition, the first welding electrode, the first driving swing rod, the first auxiliary swing rod and the common swing rod seat, and the second welding electrode, the second driving swing rod, the second auxiliary swing rod and the common swing rod seat all form a parallel four-bar structure, so that stability of the first welding electrode and the second welding electrode in the action process is improved.

Optionally, the first welding electrode comprises an electrode plate seat, a water-cooling electrode plate and a welding electrode plate are sequentially arranged on the side surface, close to the copper electrode, of the electrode plate seat, and a conductive copper plate is arranged on the electrode plate seat; the structure of the second welding electrode is the same as that of the first welding electrode.

Optionally, the common swing rod seat comprises a bottom horizontal support plate and a vertical connecting plate which are arranged vertically; the end part of a piston rod of the first driving cylinder is hinged with the first driving swing rod, the end part of a cylinder body of the first driving cylinder is hinged with the bottom horizontal supporting plate, and two ends of the first linear damper are respectively hinged with the first driving swing rod and the bottom horizontal supporting plate; the end part of a piston rod of the second driving cylinder is hinged with the second driving swing rod, the end part of a cylinder body of the second driving cylinder is hinged with the bottom horizontal supporting plate, and two ends of the second linear damper are respectively hinged with the second driving swing rod and the bottom horizontal supporting plate.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of a front view of a welding electrode assembly of the present utility model;

FIG. 2 is a schematic diagram of a second welding electrode part structure according to the present utility model;

FIG. 3 is a schematic top view of a first welding electrode and a second welding electrode according to the present utility model;

fig. 4 is a schematic view of a partial structure at a in fig. 3.

The main flower disc 1, a copper electrode 2, a fixed seat 3, a sliding bed 4, a shared swing rod seat 5, a first rotating shaft 6, a second rotating shaft 7, a first driving swing rod 8, a second driving swing rod 9, a first auxiliary swing rod 10, a second auxiliary swing rod 11, a first welding electrode 12, a second welding electrode 13, a first driving cylinder 14, a first linear damper 15, a second driving cylinder 16, a second linear damper 17, an electrode plate seat 18, a water-cooling electrode plate 19, a welding electrode plate 20, a conductive copper plate 21, a power supply 22, an upper clamp 23, a lower clamp 24, an insulating seat 25, an electrode guide seat 26, round electrodes 27 and Fang Dianji, a longitudinal rib 29 and a ring rib 30.

Detailed Description

The present utility model will be described in further detail with reference to the following embodiments and the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. The exemplary embodiments of the present utility model and the descriptions thereof are used herein to explain the present utility model, but are not intended to limit the utility model.

Referring to fig. 1-4, the welding electrode device provided by the embodiment of the utility model comprises a main flower disc 1, wherein copper electrodes 2 are uniformly arranged on the main flower disc 1 along the circumferential direction, a fixed seat 3 is arranged on one side of the main flower disc 1, a sliding bed 4 is arranged on the fixed seat 3 in a sliding manner, a common swing rod seat 5 is vertically arranged on the sliding bed 4 on the side surface, close to the main flower disc 1, of the main flower disc, and a first rotating shaft 6 and a second rotating shaft 7 are vertically arranged on one side, close to the copper electrodes 2, of the common swing rod seat 5 in parallel; a first driving swing rod 8 and a second driving swing rod 9 which are respectively arranged on the first rotating shaft 6 and positioned on the front and rear sides of the shared swing rod seat 5 and are respectively in rotary connection with the first rotating shaft 6 in the middle, a first auxiliary swing rod 10 and a second auxiliary swing rod 11 are respectively arranged on the second rotating shaft 7 and positioned on the front and rear sides of the shared swing rod seat 5 in a rotary manner, a first welding electrode 12 is vertically arranged between the end part of the first driving swing rod 8 and the end part of the first auxiliary swing rod 10, the first welding electrode 12 is hinged with the first driving swing rod 8 and the first auxiliary swing rod 10, a second welding electrode 13 is vertically arranged between the end part of the second driving swing rod 9 and the end part of the second auxiliary swing rod 11, and the second welding electrode 13 is hinged with the second driving swing rod 9 and the second auxiliary swing rod 11; a first driving cylinder 14 and a first linear damper 15 parallel to the first driving cylinder 14 are vertically arranged between the other end of the first driving swing rod 8 and the common swing rod seat 5, and a second driving cylinder 16 and a second linear damper 17 parallel to the second driving cylinder 16 are vertically arranged between the other end of the second driving swing rod 9 and the common swing rod seat 5.

In implementation, two guide rails can be arranged on the fixed seat 3 in parallel, the two guide rails are arranged along the radial direction of the main flower disc 1, the sliding bed 4 is arranged on the two guide rails in a sliding way, meanwhile, a nut is arranged between the two guide rails on the fixed seat 3, a screw rod in threaded connection with the nut is rotationally arranged on the sliding bed, the screw rod is parallel to the two guide rails, and the screw rod can be driven to rotate by a driving motor; when the driving motor drives the screw rod to rotate, the sliding bed 4 slides on the fixed seat 3, and then the distances between the first welding electrode 12, the second welding electrode 13 and the copper electrode 2 can be adjusted.

The shared swing rod seat 5 comprises a bottom horizontal supporting plate and a vertical connecting plate which are mutually perpendicular; the end part of a piston rod of the first driving cylinder 14 is hinged with the first driving swing rod 8, the end part of a cylinder body of the first driving cylinder 14 is hinged with the bottom horizontal supporting plate, and two ends of the first linear damper 15 are respectively hinged with the first driving swing rod 8 and the bottom horizontal supporting plate; the end part of the piston rod of the second driving cylinder 16 is hinged with the second driving swing rod 9, the end part of the cylinder body of the second driving cylinder 16 is hinged with the bottom horizontal supporting plate, and the two ends of the second linear damper 17 are respectively hinged with the second driving swing rod 9 and the bottom horizontal supporting plate.

The first welding electrode 12 and the second welding electrode 13 have the same structure and comprise an electrode plate seat 18, a water-cooling electrode plate 19 and a welding electrode plate 20 are sequentially arranged on the side surface, close to the copper electrode 2, of the electrode plate seat 18, and a conductive copper plate 21 is arranged on the electrode plate seat 18; one end of a conductive copper plate 21 is connected with the welding electrode plate 20, the other end of the conductive copper plate is connected with the power supply 22 through a flexible wire, and the conductive copper plate 21 is used for connecting the welding electrode plate 20 and the power supply 22, so that the welding electrode plate 20 in the first welding electrode 12 and the second welding electrode 13 is respectively electrically connected with one of the power supplies 22.

In implementation, when the first welding electrode 12 and the second welding electrode 13 are arranged, an installation plate can be vertically fixed on the side surface of the electrode plate seat 18, the upper part and the lower part of the installation plate are respectively provided with a through hole, and correspondingly, the end parts of the first driving swing rod 8, the first auxiliary swing rod 10, the second driving swing rod 9 and the second auxiliary swing rod 11 are respectively provided with through holes, and the first driving swing rod 8 and the first auxiliary swing rod 10 are respectively hinged with the upper through hole and the lower through hole of the installation plate of the first welding electrode 12 through pin shafts; the second driving swing rod 9 and the second auxiliary swing rod 11 are respectively hinged with the upper through hole and the lower through hole of the mounting plate of the second welding electrode 13 through pin shafts. When the water-cooling electrode plate 19 and the welding electrode plate 20 are installed, the welding electrode plate 20 is fixed on the water-cooling electrode plate 19, the water-cooling electrode plate 19 and the electrode plate seat 18 are of the same size, after the water-cooling electrode plate 19 is attached to the electrode plate seat 18, the water-cooling electrode plate 19 and the two ends of the electrode plate seat 18 can be clamped through the upper clamp 23 and the lower clamp 24, so that the water-cooling electrode plate 19 is fixed on the electrode plate seat 18, and the fixation of the water-cooling electrode plate 19 and the welding electrode plate 20 is completed.

The copper electrode 2 comprises an insulating seat 25 fixed on the main flower disc 1, an electrode guide seat 26 is arranged on the insulating seat 25, a rib penetrating hole penetrating the electrode guide seat 26, the insulating seat 25 and the main flower disc 1 is formed in the main flower disc 1, a round electrode 27 is arranged at the end part of the electrode guide seat 26 and close to the hole opening of the rib penetrating hole, the round electrode 27 is opposite to the first welding electrode 12, and a square electrode 28 is arranged on the side surface of the electrode guide seat 26 opposite to the second welding electrode 13. The longitudinal ribs 29 pass through the rib penetrating holes, after the annular ribs 30 encircle the periphery of the longitudinal ribs 29, the annular ribs 30 press the longitudinal ribs 29 on the round electrodes 27, the junction of the longitudinal ribs 29 and the round electrodes 27 are opposite to the round electrodes 27, when welding, the first welding electrodes 12 approach the round electrodes to the annular ribs 30 pressed at the junction, the second welding electrodes 13 are contacted with Fang Dianji, the first welding electrodes 12, the annular ribs 30, the junction, the longitudinal ribs 29, the round electrodes 27, the electrode guide seats 26, the square electrodes 28 and the second welding electrodes 13 form a loop, and metal melting at the junction is completed.

When the welding device is specifically used, the sliding bed 4 slides on the fixed seat 3, so that the distances between the first welding electrode 12, the second welding electrode 13 and the copper electrode 2 are adjusted to reach the welding distance, namely, after the piston rods of the first driving cylinder 14 and the second driving cylinder 16 extend out, the first welding electrode 12 and the second welding electrode 13 are driven to move through the first driving swing rod 8 and the second driving swing rod 9 respectively, and the contact between the first welding electrode 12 and the junction point and the contact between the second welding electrode 13 and the copper electrode are realized;

the longitudinal ribs 29 penetrate through the main disc chuck 1, the insulating seat 25 and the rear end part of the rib penetrating hole on the electrode guide seat 26 to be fixed on the traction disc, the traction disc pulls the longitudinal ribs 29 in a direction far away from the main disc chuck 1 and rotates in the pulling process, the ring ribs 30 on the pay-off disc encircle the longitudinal ribs 29, the ring ribs 30 press the longitudinal ribs 29 on the round electrodes 27, the intersection points of the longitudinal ribs 29 and the round electrodes 27 are opposite to the round electrodes 27, the first welding electrode 12 and the second welding electrode 13 are gradually rotated along with the gradual rotation of the rotation intersection points, the square electrodes 28 are gradually rotated to be close to the second welding electrode 13, the piston rods of the first driving cylinder 14 and the second driving cylinder 16 are driven to extend, the first welding electrode 12 is driven to contact with the ring ribs 30 at the intersection points, the second welding electrode 13 is driven to contact with the Fang Dianji, the first welding electrode 12, the intersection points, the round electrodes 27, the electrode guide seat 26, the square electrodes 28 and the second welding electrode 13 form a loop, and metal melting at the intersection points is welded.

When the first welding electrode 12 is contacted with the junction point and the second welding electrode 13 is contacted with the copper electrode 2, respectively under the action of the first linear damper 15 and the second linear damper 17, the impact and vibration generated by contact are reduced; when the first welding electrode 12 and the second welding electrode 13 are retreated, hysteresis is generated under the action of the first linear damper 15 and the second linear damper 17 respectively, the contact time of welding is increased, and the cold joint are effectively reduced; in addition, the first welding electrode 12, the first driving swing rod 8, the first auxiliary swing rod 10 and the common swing rod seat 5, and the second welding electrode 13, the second driving swing rod 9, the second auxiliary swing rod 11 and the common swing rod seat 5 all form a parallel four-rod structure, so that the stability of the first welding electrode 12 and the second welding electrode 13 in the action process is improved.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model are included in the protection scope of the present utility model.

Claims (3)

1. The welding electrode device comprises a main flower disc, wherein copper electrodes are uniformly arranged on the main flower disc along the circumferential direction, a fixed seat is arranged on one side of the main flower disc, and a sliding bed is arranged on the fixed seat in a sliding manner, and the welding electrode device is characterized in that a common swing rod seat is vertically arranged on the side surface, close to the main flower disc, of the sliding bed, and a first rotating shaft and a second rotating shaft are vertically arranged on one side, close to the copper electrodes, of the common swing rod seat in parallel; a first driving swing rod and a second driving swing rod are respectively arranged on the first rotating shaft and positioned on the front and rear sides of the shared swing rod seat, the middle of the first driving swing rod and the second driving swing rod are rotationally connected with the first rotating shaft, a first auxiliary swing rod and a second auxiliary swing rod are respectively rotationally arranged on the second rotating shaft and positioned on the front and rear sides of the shared swing rod seat, a first welding electrode is vertically arranged between the end part of the first driving swing rod and the end part of the first auxiliary swing rod, the first welding electrode is hinged with the first driving swing rod and the first auxiliary swing rod, a second welding electrode is vertically arranged between the end part of the second driving swing rod and the end part of the second auxiliary swing rod, and the second welding electrode is hinged with the second driving swing rod and the second auxiliary swing rod; a first driving cylinder and a first linear damper parallel to the first driving cylinder are vertically arranged between the other end of the first driving swing rod and the common swing rod seat, and a second driving cylinder and a second linear damper parallel to the second driving cylinder are vertically arranged between the other end of the second driving swing rod and the common swing rod seat.

2. The welding electrode device of claim 1, wherein the first welding electrode comprises an electrode plate seat, a water-cooled electrode plate and a welding electrode plate are sequentially arranged on the side surface of the electrode plate seat, which is close to the copper electrode, and a conductive copper plate is arranged on the electrode plate seat; the structure of the second welding electrode is the same as that of the first welding electrode.

3. The welding electrode device of claim 1, wherein the common swing link seat comprises a bottom horizontal support plate and a vertical connection plate which are arranged vertically to each other; the end part of a piston rod of the first driving cylinder is hinged with the first driving swing rod, the end part of a cylinder body of the first driving cylinder is hinged with the bottom horizontal supporting plate, and two ends of the first linear damper are respectively hinged with the first driving swing rod and the bottom horizontal supporting plate; the end part of a piston rod of the second driving cylinder is hinged with the second driving swing rod, the end part of a cylinder body of the second driving cylinder is hinged with the bottom horizontal supporting plate, and two ends of the second linear damper are respectively hinged with the second driving swing rod and the bottom horizontal supporting plate.