Automatic welding machine with double welding guns

Abstract

The utility model discloses an automatic welding machine with double welding guns, which relates to the technical field of welding equipment and comprises a frame, an electromagnetic positioning platform, a two-shaft manipulator, a welding gun adjusting mechanism and two welding guns, the electromagnetic positioning platform and the two-shaft manipulator are arranged on the frame, the welding gun adjusting mechanism is arranged on the two-shaft manipulator, and the two welding guns are arranged on the welding gun adjusting mechanism. The electromagnetic positioning platform is used for positioning a workpiece; the welding gun adjusting mechanism is used for adjusting the welding positions and the welding angles of the two welding guns; the two-axis mechanical arm is used for driving the two welding guns to move to lap joints on the two sides of the workpiece at the same time, and the two-axis mechanical arm is used for driving the two welding guns to linearly move in the extending direction of the two lap joints at the same time. The two welding guns are used for automatically welding the two lap joints at the same time. According to the automatic welding machine with the double welding guns, parallel welding of the double welding guns is achieved, and production efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to an automatic welding machine with double welding guns. Background Art

[0002] At present, compared with other types of metal forming processing, welding processing has a lower degree of automation and relies more on manual operation. Manual welding has many shortcomings in welding quality, work efficiency, personnel safety, energy saving and environmental protection.

[0003] Although the automatic welding machine industry has developed rapidly in recent years, the traditional automatic welding machine has only one welding gun. When welding, each welding point is welded one by one through the welding gun. After one welding point is welded, it moves to the next welding point for welding. Although this welding method can realize automatic welding, the production efficiency is still not high, which restricts the development of the enterprise. Utility Model Content

[0004] In view of the above defects in the prior art, the utility model aims to provide a dual-welding gun automatic welding machine, which realizes dual-welding gun parallel welding and greatly improves production efficiency.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A dual-welding gun automatic welding machine comprises a frame, an electromagnetic positioning platform and a two-axis manipulator arranged on the frame, a welding gun adjustment mechanism arranged on the two-axis manipulator, and two welding guns arranged on the welding gun adjustment mechanism, wherein the electromagnetic positioning platform is used to position a workpiece; the welding gun adjustment mechanism is used to adjust the welding position and welding angle of the two welding guns; the two-axis manipulator is used to drive the two welding guns to move to the overlapping seams on both sides of the workpiece at the same time, and the two-axis manipulator is used to drive the two welding guns to move linearly along the extension direction of the two overlapping seams at the same time; the two welding guns are used to automatically weld the two overlapping seams at the same time.

[0007] Among them, the welding gun adjustment mechanism includes a support shaft and two groups of angle adjustment components, the support shaft is arranged on the two-axis manipulator, the two angle adjustment components are adjustably arranged on the support shaft, and the two welding guns are respectively arranged on the corresponding angle adjustment components.

[0008] Wherein, the angle adjustment assembly includes a first adjustment sleeve, a second adjustment sleeve and a connecting frame, the first adjustment sleeve is hinged to the second adjustment sleeve and the axes of the two are perpendicular to each other, the first adjustment sleeve is adjustably mounted on the support shaft, the connecting frame is adjustably inserted into the second adjustment sleeve, and the welding gun is arranged on the connecting frame.

[0009] Wherein, the two-axis manipulator is a two-axis lead screw slide module.

[0010] Among them, the two-axis screw slide module includes a first screw slide that reciprocates in the X direction and a second screw slide that reciprocates in the Z direction. The first screw slide is arranged on the frame, the second screw slide is arranged on the first screw slide, and the support shaft is arranged on the second screw slide and extends along the Y direction.

[0011] Wherein, the first screw slide and the second screw slide are both provided with position detection switches.

[0012] Wherein, the electromagnetic positioning platform is provided with a positioning groove adapted to the workpiece, and the positioning groove can accommodate a plurality of the workpieces arranged in a row.

[0013] Wherein, a plurality of rollers are arranged at the bottom of the frame, and the rollers are located at each corner of the frame.

[0014] By adopting the above technical solution, the beneficial effects of the utility model are:

[0015] The double welding gun automatic welding machine provided by the utility model positions the workpiece by an electromagnetic positioning platform, adjusts the welding positions and welding angles of the two welding guns by a welding gun adjustment mechanism, drives the two welding guns to move to the overlapping seams on both sides of the workpiece at the same time by a two-axis manipulator, and drives the two welding guns to move linearly along the extension direction of the two overlapping seams at the same time by the two-axis manipulator, and welds the two overlapping seams simultaneously by the two welding guns, thus realizing the double welding gun parallel welding, greatly improving the production efficiency and reducing the production cost while improving the welding quality, and having very good economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model double welding gun automatic welding machine;

[0017] In the figure: 1. frame; 2. electromagnetic positioning platform; 21. positioning groove; 3. two-axis manipulator; 31. first screw slide; 32. second screw slide; 4. welding gun adjustment mechanism; 41. support shaft; 42. first adjustment sleeve; 43. second adjustment sleeve; 44. connecting frame; 5. welding gun; 6. workpiece; 7. position detection switch; 8. roller. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] like Figure 1 As shown, this embodiment provides a dual-welding gun automatic welding machine, including a frame 1, an electromagnetic positioning platform 2 and a two-axis manipulator 3 arranged on the frame 1, a welding gun adjustment mechanism 4 arranged on the two-axis manipulator 3, and two welding guns 5 arranged on the welding gun adjustment mechanism 4, the electromagnetic positioning platform 2 is used to position the workpiece 6, the welding gun adjustment mechanism 4 is used to adjust the welding position and welding angle of the two welding guns 5, the two-axis manipulator 3 is used to drive the two welding guns 5 to move to the overlapping seams on both sides of the workpiece 6 at the same time, and the two-axis manipulator 3 is used to drive the two welding guns 5 to move linearly along the extension direction of the two overlapping seams at the same time, and the two welding guns 5 are used to automatically weld the two overlapping seams at the same time.

[0020] The dual-welding gun automatic welding machine in this embodiment welds the overlap seams on both sides of the workpiece 6 through two welding guns 5 at the same time, realizing dual-welding gun parallel welding, which greatly improves production efficiency and reduces production costs while improving welding quality, and has good economic benefits.

[0021] The welding gun adjustment mechanism 4 in this embodiment includes a support shaft 41 and two groups of angle adjustment components. The support shaft 41 is arranged on the two-axis manipulator 3. The two groups of angle adjustment components are adjustably arranged on the support shaft 41. The two welding guns 5 are respectively arranged on the corresponding angle adjustment components. By arranging the welding gun 5 on the angle adjustment component and adjusting the positions of the two groups of angle adjustment components on the support shaft 41, the angle adjustment of the welding gun 5 and the position adjustment of the two welding guns 5 are realized, the use range of the equipment is expanded, and the welding requirements of the workpiece 6 are met.

[0022] The angle adjustment assembly in this embodiment includes a first adjustment sleeve 42, a second adjustment sleeve 43 and a connecting frame 44. The first adjustment sleeve 42 is hinged with the second adjustment sleeve 43 and their axes are perpendicular to each other. The first adjustment sleeve 42 is adjustably mounted on the support shaft 41, and the connecting frame 44 is adjustably inserted in the second adjustment sleeve 43. The welding gun 5 is arranged on the connecting frame 44. Such an arrangement improves the flexibility of angle adjustment. Of course, other angle adjustment assemblies can also be selected, and the selection is made according to actual needs, and this embodiment does not limit this.

[0023] Specifically, the first adjustment sleeve 42 and the second adjustment sleeve 43 have the same structure, both of which include an adjustment sleeve body and two connecting ears arranged on the adjustment sleeve body. An axially extending slit is arranged on the adjustment sleeve body, and the two connecting ears are located on both sides of the slit, and through holes are arranged on the two connecting ears, and locking bolts are arranged in the through holes. When the adjustment sleeve body is sleeved on the support shaft 41 or the connecting frame 44 is inserted into the adjustment sleeve body, the two connecting ears can be fastened by the locking bolt to realize the fastening connection between the adjustment sleeve body and the support shaft 41 or the connecting frame 44; when the locking bolt is loosened, relative rotation or sliding between the components can be realized, thereby realizing the position and angle adjustment of the welding gun 5.

[0024] Since the two-axis lead screw slide module has the advantages of high transmission accuracy and strong load capacity, the two-axis manipulator 3 in this embodiment is preferably a two-axis lead screw slide module. Of course, the two-axis manipulator 3 can also use a two-axis linear electric cylinder module or a two-axis linear pneumatic slide module, which is selected according to actual needs, and this embodiment does not limit this.

[0025] Specifically, in the spatial rectangular coordinate system, the two-axis screw slide module includes a first screw slide 31 that reciprocates in the X direction and a second screw slide 32 that reciprocates in the Z direction. The first screw slide 31 is arranged on the frame 1, and the second screw slide 32 is arranged on the first screw slide 31. The support shaft 41 is arranged on the second screw slide 32 and extends along the Y direction. The second screw slide 32 is used to drive the two welding guns 5 to move up and down, and the first screw slide 31 is used to drive the two welding guns 5 to reciprocate in the extension direction of the lap seam.

[0026] In order to facilitate the detection of the positions of the two welding guns 5 , in this embodiment, position detection switches 7 are provided on both the first lead screw slide 31 and the second lead screw slide 32 .

[0027] The electromagnetic positioning platform 2 in this embodiment is provided with a positioning groove 21 adapted to the workpiece, and the positioning groove 21 can accommodate a plurality of workpieces 6 arranged in a row. Such a configuration realizes continuous welding of a plurality of workpieces 6, further improving production efficiency.

[0028] In order to facilitate movement, in this embodiment, a plurality of rollers 8 are arranged at the bottom of the frame 1 , and each roller 8 is located at a corresponding corner of the frame 1 .

[0029] When in use, the workpiece 6 is positioned by the electromagnetic positioning platform 2, the welding positions and welding angles of the two welding guns 5 are adjusted by the welding gun adjustment mechanism 4, the two welding guns 5 are driven to move simultaneously to the lap joints on both sides of the workpiece 6 by the second screw slide 32, and the two welding guns 5 are driven to move simultaneously in a straight line along the extension direction of the two lap joints by the first screw slide 31, and the two welding guns 5 weld the two lap joints simultaneously.

[0030] The above is only a preferred embodiment of the utility model double welding gun automatic welding machine, and there are more embodiments that are not described here. In summary, the utility model double welding gun automatic welding machine realizes the parallel welding of double welding guns, which greatly improves the production efficiency and reduces the production cost while improving the welding quality, and has good economic benefits.

[0031] The present utility model is not limited to the above-mentioned specific implementation modes. Various changes made by ordinary technicians in this field based on the above-mentioned concepts without creative labor are all within the protection scope of the present utility model.

Claims

1. A dual welding gun automatic welding machine, characterized in that: The invention comprises a frame, an electromagnetic positioning platform and a two-axis manipulator arranged on the frame, a welding gun adjustment mechanism arranged on the two-axis manipulator, and two welding guns arranged on the welding gun adjustment mechanism. The electromagnetic positioning platform is used to position the workpiece; the welding gun adjustment mechanism is used to adjust the welding position and welding angle of the two welding guns; the two-axis manipulator is used to drive the two welding guns to move to the overlapping seams on both sides of the workpiece at the same time, and the two-axis manipulator is used to drive the two welding guns to move linearly along the extension direction of the two overlapping seams at the same time; the two welding guns are used to automatically weld the two overlapping seams at the same time.

2. The double welding gun automatic welding machine according to claim 1, characterized in that: The welding gun adjustment mechanism includes a support shaft and two groups of angle adjustment components. The support shaft is arranged on the two-axis manipulator. The two angle adjustment components are adjustably arranged on the support shaft. The two welding guns are respectively arranged on the corresponding angle adjustment components.

3. The double welding gun automatic welding machine according to claim 2, characterized in that: The angle adjustment assembly includes a first adjustment sleeve, a second adjustment sleeve and a connecting frame. The first adjustment sleeve is hinged to the second adjustment sleeve and the axes of the two are perpendicular to each other. The first adjustment sleeve is adjustably mounted on the support shaft, the connecting frame is adjustably inserted into the second adjustment sleeve, and the welding gun is arranged on the connecting frame.

4. The double welding gun automatic welding machine according to claim 2, characterized in that: The two-axis manipulator is a two-axis lead screw slide module.

5. The double welding gun automatic welding machine according to claim 4, characterized in that: The two-axis screw slide module includes a first screw slide for reciprocating linear motion along the X direction and a second screw slide for reciprocating linear motion along the Z direction, the first screw slide is arranged on the frame, the second screw slide is arranged on the first screw slide, and the support shaft is arranged on the second screw slide and extends along the Y direction.

6. The dual welding gun automatic welding machine according to claim 5, characterized in that: The first screw slide and the second screw slide are both provided with position detection switches.

7. The dual welding gun automatic welding machine according to claim 1, characterized in that: The electromagnetic positioning platform is provided with a positioning groove adapted to the workpiece, and the positioning groove can accommodate a plurality of the workpieces arranged in a row.

8. The dual welding gun automatic welding machine according to claim 1, characterized in that: A plurality of rollers are arranged at the bottom of the frame, and the rollers are located at each corner of the frame.

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