CN219026278U - Double-end welding equipment - Google Patents

Abstract

The utility model belongs to the technical field of roll welding equipment, and discloses double-head welding equipment which comprises a base, a workpiece supporting mechanism, a first welding main body and a second welding main body. The workpiece supporting mechanism is arranged on the base and is configured to support a welding workpiece; the first welding main body is arranged on the base in a sliding way, is positioned on one side of the workpiece supporting mechanism, can move along the length direction of the base, adjusts the distance between the first welding main body and the workpiece supporting mechanism and is configured to weld one side of the welding workpiece in a positioning way; the second welding body is arranged on the base, positioned on the other side of the workpiece supporting mechanism and configured to weld the other side of the welding workpiece in a positioning way. The double-head welding equipment can improve the driving synchronism of two ends of a welding workpiece in the roll welding process, and prevent the welding workpiece from generating defects such as distortion, thereby improving the welding quality and the welding consistency.

Description

Double-end welding equipment

Technical Field

The utility model relates to the technical field of roll welding equipment, in particular to double-head welding equipment.

Background

Roll welding refers to a welding method in which a pair of rolling disc electrodes are used instead of spot-welded cylindrical electrodes and are moved relative to a workpiece so as to produce sealing welds in which individual nuggets overlap each other. In the roll welding process, the current is conducted in an intermittent manner, and a continuous weld joint is finally formed, which is one type of resistance welding.

At present, in the roll welding process, the consistency and reliability of product positioning are difficult to ensure. In the automatic welding operation process of the roll welding equipment, defects such as distortion and deformation of welding workpieces caused by asynchronous driving of the left roller and the right roller occur.

Accordingly, there is a need for a dual head welding apparatus that solves the above problems.

Disclosure of Invention

The utility model aims to provide a double-head welding device which can improve the driving synchronism of two ends of a welding workpiece in the rolling welding process and prevent the welding workpiece from generating defects such as distortion and the like, thereby improving the welding quality and the welding consistency.

To achieve the purpose, the utility model adopts the following technical scheme:

the double-head welding equipment comprises a base, a workpiece supporting mechanism, a first welding main body and a second welding main body; the workpiece supporting mechanism is arranged on the base and is configured to support a welding workpiece; the first welding main body is arranged on the base in a sliding manner, is positioned on one side of the workpiece supporting mechanism, can move along the length direction of the base, adjusts the distance between the first welding main body and the workpiece supporting mechanism, and is configured to weld one side of the welding workpiece in a positioning manner; the second welding body is arranged on the base, positioned on the other side of the workpiece supporting mechanism and configured to weld the other side of the welding workpiece in a positioning mode.

As a preferable scheme of the double-head welding equipment provided by the utility model, the double-head welding equipment further comprises a movable air cylinder, wherein the movable air cylinder is arranged on the base, and the output end of the movable air cylinder is connected with the first welding main body; the sliding rail is arranged along the length direction of the base, the first welding main body is located on the sliding rail, and the moving cylinder can control the first welding main body to move along the sliding rail.

As a preferred scheme of the double-head welding device provided by the utility model, the first welding main body comprises a first welding base, and a first upper roller assembly and a first lower roller assembly which are sequentially arranged along the height direction of the first welding base, wherein the first upper roller assembly comprises a first upper roller electrode, the first lower roller assembly comprises a first lower roller electrode, the first lower roller electrode can extend into one end of a welding workpiece, and the first upper roller electrode can prop against the outer side part of the welding workpiece right above the first lower roller electrode;

the second welding main body comprises a second welding base and a second upper roller assembly and a second lower roller assembly which are sequentially arranged in the height direction of the second welding base, the second upper roller assembly comprises a second upper roller electrode, the second lower roller assembly comprises a second lower roller electrode, the second lower roller electrode can extend into the other end of the welding workpiece, and the second upper roller electrode can prop against the outer side part of the welding workpiece right above the second lower roller electrode.

As a preferable scheme of the double-head welding device provided by the utility model, the first upper roller assembly further comprises a first height adjusting cylinder, the first height adjusting cylinder is arranged on the first welding base, the first upper roller electrode is arranged at the output end of the first height adjusting cylinder, and the first height adjusting cylinder is configured to adjust the distance between the first upper roller electrode and the first lower roller electrode;

the second upper roller assembly further comprises a second height adjustment cylinder, the second height adjustment cylinder is mounted on the second welding base, the second upper roller electrode is mounted at the output end of the second height adjustment cylinder, and the second height adjustment cylinder is configured to adjust the distance between the second upper roller electrode and the second lower roller electrode.

As a preferable mode of the double-head welding apparatus provided by the utility model, the first welding body further includes a first discharge welding transformer, which is disposed in the first welding base and is configured to discharge to the first upper roller electrode and the first lower roller electrode;

the second welding body further includes a second discharge welding transformer disposed in the second welding base configured to discharge to the second upper roller electrode and the second lower roller electrode.

As a preferable scheme of the double-head welding equipment provided by the utility model, the double-head welding equipment further comprises a differential box system, wherein the differential box system is in transmission connection with the first lower roller electrode and the second lower roller electrode.

As the preferable scheme of the double-head welding equipment provided by the utility model, the workpiece supporting mechanism comprises supporting legs and supporting blocks, the supporting blocks are arranged at the top ends of the supporting legs, the upper end surfaces of the supporting blocks are concavely provided with positioning grooves, and the shape of the positioning grooves is matched with the shape of the side parts of the welding workpiece.

As a preferable scheme of the double-head welding equipment provided by the utility model, the supporting blocks are arranged on the supporting legs in a height-adjustable mode.

As a preferred aspect of the double-head welding apparatus provided by the present utility model, the workpiece support mechanism further includes a water receiving assembly disposed on the base, the support leg being mounted on the water receiving assembly, the water receiving assembly being configured to receive cooling water.

As the preferable scheme of the double-head welding equipment provided by the utility model, the double-head welding equipment further comprises an equipment shell, wherein the equipment shell is arranged on the base, covers the first welding main body and the second welding main body, and is provided with through holes at corresponding positions of the workpiece supporting mechanism.

The utility model has the beneficial effects that:

the utility model provides double-head welding equipment which comprises a base, a workpiece supporting mechanism, a first welding main body and a second welding main body. The workpiece support mechanism is disposed on the base and is configured to support a welding workpiece. The first welding main body is arranged on the base in a sliding manner and is positioned on one side of the workpiece supporting mechanism, and the first welding main body can move along the length direction of the base to adjust the distance between the first welding main body and the workpiece supporting mechanism. The first welding body is configured to weld a side of the welding workpiece in place. The second welding main body is arranged on the base and positioned on the other side of the workpiece supporting mechanism. The second welding body is configured to weld the other side of the welding workpiece in a localized manner. That is, when the welding workpiece is placed on the workpiece supporting mechanism, the first welding body is moved to adjust the distance between the first welding body and the second welding body, the welding workpiece is accurately positioned between the first welding body and the second welding body, and the rolling welding of the welding workpiece is realized by utilizing the simultaneous action of the first welding body and the second welding body, so that the welding workpiece is prevented from being distorted and deformed, and the welding quality and the welding consistency are improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic diagram of a dual-head welding apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of a dual-head welding apparatus according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a first welding body and a moving cylinder according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a second welding body according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the structure of the base and differential lever mechanism provided by the embodiment of the present utility model;

fig. 6 is a schematic structural view of a workpiece support mechanism and a water receiving assembly according to an embodiment of the utility model.

In the figure:

10. welding a workpiece;

100. a base; 110. a sliding rail;

200. a work piece supporting mechanism; 210. support legs; 220. a support block; 221. a positioning groove;

300. a first welding body; 310. a first welding base; 320. a first upper roller assembly; 321. a first upper roller electrode; 322. a first height adjusting cylinder; 331. a first lower roller electrode;

400. a second welding body; 410. a second welding base; 420. a second upper roller assembly; 421. a second upper roller electrode; 422. a second height adjusting cylinder; 431. a second lower roller electrode;

500. a moving cylinder;

600. a differential case system; 610. a differential lever mechanism;

700. a water receiving assembly;

800. an equipment enclosure.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

FIG. 1 shows a schematic diagram of a dual-head welding apparatus provided by an embodiment of the present utility model; fig. 2 is a schematic diagram showing a part of the structure of a double-head welding apparatus according to an embodiment of the present utility model. Referring to fig. 1 and 2, the present embodiment provides a double-headed welding apparatus including a base 100, a work support mechanism 200, a first welding body 300, and a second welding body 400.

Specifically, the workpiece support mechanism 200 is disposed on the base 100 and is configured to support the welding workpiece 10. The first welding body 300 is slidably disposed on the base 100 and is located at one side of the workpiece support mechanism 200, and is movable along the longitudinal direction of the base 100, and the distance between the first welding body 300 and the workpiece support mechanism 200 is adjusted to be configured to weld one side of the welding workpiece 10. The second welding body 400 is disposed on the base 100 at the other side of the workpiece support mechanism 200 and configured to weld the other side of the welding workpiece 10. In the present embodiment, the welding workpiece 10 has a cylindrical structure with both ends open. That is, when the welding workpiece 10 is placed on the workpiece support mechanism 200, the first welding body 300 is moved, the distance between the first welding body 300 and the second welding body 400 is adjusted, the welding workpiece 10 is accurately positioned between the first welding body 300 and the second welding body 400, and the rolling welding of the welding workpiece 10 is realized by the simultaneous action of the first welding body 300 and the second welding body 400, so that the welding workpiece 10 is prevented from being distorted.

Fig. 3 is a schematic view showing the structure of a first welding body and a moving cylinder according to an embodiment of the present utility model, and referring to fig. 2 and 3, the first welding body 300 includes a first welding base 310, a first upper roller assembly 320, and a first lower roller assembly. The first upper roller assembly 320 and the first lower roller assembly are sequentially disposed from top to bottom along the height direction of the first welding base 310. The first upper roller assembly 320 includes a first upper roller electrode 321, the first lower roller assembly includes a first lower roller electrode 331, the first lower roller electrode 331 can extend into the welding workpiece 10 from an opening at one end of the welding workpiece 10, and the first upper roller electrode 321 can abut against the outer side portion of the welding workpiece 10 directly above the first lower roller electrode 331. In this embodiment, the first upper roller electrode 321 and the first lower roller electrode 331 are roller electrodes commonly used in the roll welding, and the structure and the welding principle of this embodiment are not described herein.

Specifically, the first upper roller assembly 320 further includes a first height adjustment cylinder 322. The first height adjusting cylinder 322 is mounted at a side portion of the first welding base 310, the first upper roller electrode 321 is mounted at an output end of the first height adjusting cylinder 322, and the first height adjusting cylinder 322 is configured to adjust a distance between the first upper roller electrode 321 and the first lower roller electrode 331. By adjusting the distance between the first upper roller electrode 321 and the first lower roller electrode 331, the welding device can be suitable for welding workpieces 10 with different wall thicknesses, and has higher applicability.

More specifically, the first welding body 300 further includes a first discharge welding transformer disposed in the first welding base 310 and configured to discharge the first upper roller electrode 321 and the first lower roller electrode 331, so that the first upper roller electrode 321 and the first lower roller electrode 331 realize the roll welding of the welding workpiece 10 during the rotation process.

More specifically, the first upper roller assembly 320 further includes a first upper motor; the first lower roller assembly further includes a first lower motor. The first upper motor and the first lower motor are both disposed in the first welding base 310, the first upper roller electrode 321 is connected to an output shaft of the first upper motor, and the first upper motor is configured to control the first upper roller electrode 321 to rotate about the output shaft of the first upper motor, which is parallel to the central axis of the welding workpiece 10. The first lower roller electrode 331 is connected to an output shaft of a first lower motor, and the first lower motor is configured to control the first lower roller electrode 331 to rotate around the output shaft of the first lower motor, and the output shaft of the first lower motor and the central axis of the welding workpiece 10 are on the same straight line.

With continued reference to fig. 2 and 3, the double-ended welding apparatus further includes a moving cylinder 500. The moving cylinder 500 is disposed on the base 100, and an output end of the moving cylinder 500 is connected to the first welding base 310. A sliding rail 110 is provided along a length direction of the base 100, the first welding body 300 is seated on the sliding rail 110, and the moving cylinder 500 can control the first welding body 300 to move along the sliding rail 110.

Specifically, in the present embodiment, two sliding rails 110 are provided on the base 100, and the two sliding rails 110 are parallel to each other and are disposed at intervals along the width direction of the base 100. The distance between the two slide rails 110 is slightly smaller than the width of the first welding base 310, enabling the first welding base 310 to be stably seated on the two slide rails 110.

Fig. 4 is a schematic structural view of a second welding body provided in an embodiment of the present utility model, and referring to fig. 2 and 4, the second welding body 400 includes a second welding base 410, a second upper roller assembly 420, and a second lower roller assembly. The second upper roller assembly 420 and the second lower roller assembly are sequentially disposed from top to bottom along the height direction of the second welding base 410. The second upper roller assembly 420 includes a second upper roller electrode 421, the second lower roller assembly includes a second lower roller electrode 431, the second upper roller electrode 421 corresponds to the second lower roller electrode 431, the second lower roller electrode 431 can extend into the welding workpiece 10 from an end of the welding workpiece 10 away from the first welding base 310, and the second upper roller electrode 421 can abut against an outer side portion of the welding workpiece 10 directly above the second lower roller electrode 431. In this embodiment, the second upper roller electrode 421 and the second lower roller electrode 431 are roller electrodes commonly used in the roll welding, and the structure and the welding principle of this embodiment are not described herein.

Specifically, the second upper roller assembly 420 further includes a second height adjustment cylinder 422, the second height adjustment cylinder 422 is mounted to a side of the second welding base 410, the second upper roller electrode 421 is mounted to an output end of the second height adjustment cylinder 422, and the second height adjustment cylinder 422 is configured to adjust a distance between the second upper roller electrode 421 and the second lower roller electrode 431. By adjusting the distance between the second upper roller electrode 421 and the second lower roller electrode 431, the welding device can be applied to welding workpieces 10 with different wall thicknesses, and the applicability is higher.

More specifically, the second welding body 400 further includes a second discharge welding transformer disposed in the second welding base 410 and configured to discharge the second upper roller electrode 421 and the second lower roller electrode 431, so that the second upper roller electrode 421 and the second lower roller electrode 431 realize the roll welding of the welding workpiece 10 during the rotation.

More specifically, the second upper roller assembly 420 further includes a second upper motor; the second lower roller assembly further includes a second lower motor. The second upper motor and the second lower motor are both disposed in the second welding base 410. The second upper roller electrode 421 is connected to an output shaft of a second upper motor configured to control the second upper roller electrode 421 to rotate about the output shaft of the second upper motor, which is parallel to the central axis of the welding workpiece 10. The second lower roller electrode 431 is connected to an output shaft of a second lower motor configured to control the second lower roller electrode 431 to rotate about the output shaft of the second lower motor, which is in the same line as the central axis of the welding workpiece 10.

Fig. 5 shows a schematic structural view of a base and a differential lever mechanism provided in an embodiment of the present utility model. Referring to fig. 2 and 5, the double-ended welding apparatus further includes a differential case system 600, and the differential case system 600 is drivingly connected to the first lower roller electrode 331 and the second lower roller electrode 431. In the present embodiment, the differential case system 600 realizes a driving connection of the first bottom roller electrode 331 and the second bottom roller electrode 431 through the differential lever mechanism 610. By the transmission of the differential case system 600 and the differential lever mechanism 610, the first lower roller electrode 331 and the second lower roller electrode 431 can be ensured to rotate simultaneously, and the defects of distortion, deformation and the like of the welding workpiece 10 caused by the asynchronous driving of the first lower roller electrode 331 and the second lower roller electrode 431 can be avoided.

Fig. 6 shows a schematic structural view of a workpiece support mechanism and a water receiving assembly according to an embodiment of the utility model. Referring to fig. 2 and 6, the workpiece support mechanism 200 includes a support leg 210 and a support block 220, the support block 220 is disposed at the top end of the support leg 210, a positioning groove 221 is concavely formed on the upper end surface of the support block 220, and the shape of the positioning groove 221 is matched with the shape of the side portion of the welding workpiece 10. In the present embodiment, the positioning groove 221 has a semicircular arc shape, and can be matched to the side shape of the cylindrical welding workpiece 10. When the welding workpiece 10 is placed on the supporting block 220, the welding workpiece 10 can be embedded in the positioning groove 221, so that the welding workpiece 10 is effectively prevented from being separated from the workpiece supporting mechanism 200 in the roll welding process.

Specifically, in the present embodiment, two support legs 210 are provided, and one support block 220 is provided on each support leg 210. Two support legs 210 are spaced apart along the length of the base 100 for providing stable support for the welding workpiece 10.

Referring to fig. 6, the support block 220 is disposed on the support leg 210 with a height adjustable. A slideway is provided along the height direction of the support leg 210, and a slider is fixedly provided at the bottom of the support block 220. The slider is capable of sliding along the slideway. The operator can select the bearing height of the workpiece support mechanism 200 according to the actual size of the welding workpiece 10, i.e., after the slide is slid to the target height on the slideway, the slide and the support legs 210 are fixed by bolts.

More specifically, the workpiece support mechanism 200 further includes a water receiving assembly 700, the water receiving assembly 700 being disposed on the base 100, the support legs 210 being mounted on the water receiving assembly 700, the water receiving assembly 700 being configured to receive cooling water. In this embodiment, the water receiving component 700 may be a water receiving tray, which can receive cooling water for cooling the first upper roller electrode 321 and the second upper roller electrode 421.

With continued reference to fig. 1, the double-head welding apparatus further includes an apparatus housing 800, where the apparatus housing 800 is mounted on the base 100, covers the first welding body 300 and the second welding body 400, and provides a through hole at a corresponding position of the workpiece supporting mechanism 200. The device housing 800 can protect the internal structure and can function as a safe operation. This opening provides an operator with a convenient means of placing the welding workpiece 10 on the workpiece support mechanism 200.

Preferably, the double-head welding apparatus provided in this embodiment further includes a PLC control system. The first upper motor, the first lower motor, the second upper motor, the second lower motor, the first discharging welding transformer, the second discharging welding transformer, the first height adjusting cylinder 322, the second height adjusting cylinder 422, and the moving cylinder 500 are electrically connected to the PLC control system, respectively. The PLC control system can realize the automatic control of the components. The PLC control system is in the prior art, and the structure and principle of this embodiment are not described herein.

The working principle of the double-head welding device provided in this embodiment is as follows:

firstly, an operator places a welding workpiece 10 on a workpiece supporting mechanism 200 with proper height, a button switch of a PLC controller is started, a moving cylinder 500 drives a first welding base 310 to move leftwards, a first lower roller electrode 331 is automatically sleeved in the welding workpiece 10 after the moving cylinder 500 moves in place, and a second lower roller electrode 431 is sleeved in the welding workpiece 10; meanwhile, the first height adjusting cylinder 322 and the second height adjusting cylinder 422 respectively act to drive the first upper roller electrode 321 and the second upper roller electrode 421 to move downwards to contact and press the side wall of the welding workpiece 10; then, the first upper motor, the first lower motor, the second upper motor and the second lower motor respectively drive the first upper roller electrode 321, the second upper roller electrode 421, the first lower roller electrode 331 and the second lower roller electrode 431 to rotate; then, the first discharge welding transformer and the second discharge welding transformer are discharged to realize the roll welding. After one circumference welding is completed, the first height adjusting cylinder 322 and the second height adjusting cylinder 422 respectively act to drive the first upper roller electrode 321 and the second upper roller electrode 421 to ascend and return to the original points; then, the movement cylinder 500 acts to drive the first welding base 310 to move rightward to return to the original point, and at this time, the welding of the welding workpiece 10 is completed, and the welding workpiece 10 is manually removed.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. Double-end welding equipment, its characterized in that includes:

a base (100);

a workpiece support mechanism (200), the workpiece support mechanism (200) being disposed on the base (100) and configured to support a welding workpiece (10);

a first welding body (300), wherein the first welding body (300) is slidably arranged on the base (100) and is positioned at one side of the workpiece supporting mechanism (200), can move along the length direction of the base (100), adjusts the distance between the first welding body (300) and the workpiece supporting mechanism (200), and is configured to weld one side of the welding workpiece (10) in a positioning manner;

and a second welding body (400), wherein the second welding body (400) is arranged on the base (100) and positioned on the other side of the workpiece supporting mechanism (200) and is configured to weld the other side of the welding workpiece (10) in a positioning way.

2. The double-ended welding apparatus of claim 1, further comprising a moving cylinder (500), the moving cylinder (500) being disposed on the base (100), an output of the moving cylinder (500) being connected to the first welding body (300); a sliding rail (110) is arranged along the length direction of the base (100), the first welding body (300) is located on the sliding rail (110), and the moving cylinder (500) can control the first welding body (300) to move along the sliding rail (110).

3. The double-head welding apparatus according to claim 1, wherein the first welding body (300) includes a first welding base (310) and a first upper roller assembly (320) and a first lower roller assembly which are sequentially disposed in a height direction of the first welding base (310), the first upper roller assembly (320) includes a first upper roller electrode (321), the first lower roller assembly includes a first lower roller electrode (331), the first lower roller electrode (331) is capable of extending into one end of the welding workpiece (10), and the first upper roller electrode (321) is capable of abutting against an outer side portion of the welding workpiece (10) directly above the first lower roller electrode (331);

the second welding main body (400) comprises a second welding base (410) and a second upper roller assembly (420) and a second lower roller assembly which are sequentially arranged in the height direction of the second welding base (410), the second upper roller assembly (420) comprises a second upper roller electrode (421), the second lower roller assembly comprises a second lower roller electrode (431), the second lower roller electrode (431) can extend into the other end of the welding workpiece (10), and the second upper roller electrode (421) can prop against the outer side part of the welding workpiece (10) right above the second lower roller electrode (431).

4. The double-ended welding apparatus of claim 3, wherein the first upper roller assembly (320) further comprises a first height adjustment cylinder (322), the first height adjustment cylinder (322) mounted to the first welding base (310), the first upper roller electrode (321) mounted to an output end of the first height adjustment cylinder (322), the first height adjustment cylinder (322) configured to adjust a distance between the first upper roller electrode (321) and the first lower roller electrode (331);

the second upper roller assembly (420) further includes a second height adjustment cylinder (422), the second height adjustment cylinder (422) is mounted to the second welding base (410), the second upper roller electrode (421) is mounted to an output end of the second height adjustment cylinder (422), and the second height adjustment cylinder (422) is configured to adjust a distance between the second upper roller electrode (421) and the second lower roller electrode (431).

5. The double-ended welding apparatus of claim 3, wherein the first welding body (300) further comprises a first discharge welding transformer disposed in the first welding base (310) configured to discharge to the first upper roller electrode (321) and the first lower roller electrode (331);

the second welding body (400) further includes a second discharge welding transformer disposed in the second welding base (410) configured to discharge to the second upper roller electrode (421) and the second lower roller electrode (431).

6. A double-ended welding apparatus according to claim 3, further comprising a differential case system (600), the differential case system (600) being drivingly connected to the first lower roller electrode (331) and the second lower roller electrode (431).

7. The double-head welding apparatus according to claim 1, wherein the work support mechanism (200) includes a support leg (210) and a support block (220), the support block (220) is provided at a top end of the support leg (210), an upper end surface of the support block (220) is concavely provided with a positioning groove (221), and a shape of the positioning groove (221) is matched with a side shape of the welding work (10).

8. The double-headed welding apparatus of claim 7, wherein the support blocks (220) are height-adjustably disposed to the support legs (210).

9. The double-ended welding apparatus of claim 7, wherein the workpiece support mechanism (200) further comprises a water receiving assembly (700), the water receiving assembly (700) being disposed on the base (100), the support leg (210) being mounted on the water receiving assembly (700), the water receiving assembly (700) being configured to receive cooling water.

10. The double-head welding apparatus according to any one of claims 1 to 9, further comprising an apparatus housing (800), wherein the apparatus housing (800) is mounted on the base (100), covers the first welding body (300) and the second welding body (400), and is provided with a through hole at a corresponding position of the workpiece support mechanism (200).

Images