阅读说明：本技术 焊接枪运行式焊接装置和焊接方法 (Welding gun operation type welding device and welding method ) 是由 程占军 其他发明人请求不公开姓名 于 2021-08-17 设计创作，主要内容包括：本发明涉及焊接技术领域,是焊接枪运行式焊接装置和焊接方法焊接枪运行式焊接装置,包括装置架,在装置架上还安装有焊接枪,所述的焊接枪是多个的,从后至前分别是第一焊接枪、第二焊接枪和第三焊接枪；所述的第一焊接枪对着焊缝下面一侧,所述的第二焊接枪对着焊缝下面另一侧,所述的第三焊接枪对着焊缝中间下面；在第三焊接枪的前面还有第四焊接枪和第五焊接枪,所述的第四焊接枪对着焊缝上面的一侧,所述的第五焊接枪对着焊缝上面的另一侧；焊接方法,是多次焊接。这样的焊接枪运行式焊接装置和焊接方法具有焊接处不易开裂、焊接规范、焊接质量好的优点。(The invention relates to the technical field of welding, in particular to a welding gun operation type welding device and a welding method, wherein the welding gun operation type welding device comprises a device frame, a plurality of welding guns are also arranged on the device frame, and the welding guns are respectively a first welding gun, a second welding gun and a third welding gun from back to front; the first welding gun faces one side of the lower surface of the welding seam, the second welding gun faces the other side of the lower surface of the welding seam, and the third welding gun faces the lower surface of the middle of the welding seam; a fourth welding gun and a fifth welding gun are arranged in front of the third welding gun, the fourth welding gun faces one side of the upper surface of the welding seam, and the fifth welding gun faces the other side of the upper surface of the welding seam; the welding method is repeated welding. The welding gun operation type welding device and the welding method have the advantages that the welding position is not easy to crack, the welding is standard, and the welding quality is good.)

1. The welding gun operation type welding device comprises a device frame, wherein a roller for conveying a welding object is arranged on the device frame, the edge of the welding object at a welding seam part is a welding edge, and a welding seam is arranged between the two welding edges; the welding gun is also arranged on the device frame and can generate welding flux, the welding seam always moves forwards under the welding gun under the action of the roller, the welding gun welds the welding seam, and a welding object moves forwards from back to front in the welding process; the method is characterized in that: the welding gun is multiple, and a first welding gun, a second welding gun and a third welding gun are respectively arranged from back to front; the first welding gun faces one side of the lower surface of the welding seam, the second welding gun faces the other side of the lower surface of the welding seam, and the third welding gun faces the lower surface of the middle of the welding seam; the third welding gun is further mounted on the device frame through a third movement device, and the third movement device can enable the third welding gun to swing back and forth or/and left and right.

2. The welding device of claim 1, wherein: the first welding gun is also arranged on the device frame through a first movement device, and the first movement device can enable the first welding gun to swing back and forth; and the second welding gun is also arranged on the device frame through a second movement device, and the second movement device can enable the second welding gun to swing back and forth.

3. The welding device according to claim 1 or 2, wherein: and a fourth welding gun and a fifth welding gun are arranged in front of the third welding gun, wherein the fourth welding gun faces one side of the upper surface of the welding seam, and the fifth welding gun faces the other side of the upper surface of the welding seam.

4. The welding device of claim 3, wherein: the fourth welding gun is also arranged on the device frame through a fourth movement device, and the fourth movement device can enable the fourth welding gun to swing back and forth; and the fifth welding gun is also arranged on the device frame through a fifth movement device, and the fifth movement device can enable the fifth welding gun to swing back and forth.

5. The welding device of claim 3, wherein: a polishing brush is also arranged in front of the welding gun, the polishing brush is arranged on the device frame, and the lower surface of the polishing brush is in contact with a welding seam; the device also comprises a dust suction pipeline, wherein the dust suction pipeline is provided with a dust suction port, and the dust suction port faces to the position of the welding line in front of the polishing brush.

6. The welding device of claim 4, wherein: and a grinding wheel is arranged on the machine frame, and the lower surface of the grinding wheel is contacted with a welding seam in front of the fifth welding gun.

7. The welding device of claim 4, wherein: the device also comprises a flame thrower, wherein the flame thrower faces the rear part of each welding gun of the welding seam.

8. The welding method comprises the steps of welding a welding object, wherein the edge of the welding object at a welding seam part is a welding edge, and a welding seam is arranged between the two welding edges; the method is characterized in that: firstly, welding the lower part of a welding seam and a corner part facing a welding object, which is the first welding; then, welding the other corner part facing the welding object under the welding seam, which is the second welding; and then, welding the middle part below the welding seam, namely, welding for the third time, wherein in the welding process, the third time of welding is in back-and-forth swinging or/and left-and-right swinging.

9. The welding method of claim 8, wherein: a fourth welding and a fifth welding are carried out after the third welding; the fourth welding is to weld the upper side of the welding seam and a corner part facing the welding object; the fifth welding is to weld the upper part of the welding seam and the other corner part of the welding object; the welding device swings back and forth in the process of the first welding or/and the second welding; during the fourth welding or/and the fifth welding, the welding head swings back and forth.

10. The welding method of claim 9, wherein: a process for removing welding slag from the welding position after at least one welding; before at least one welding, a process of heating the welding part is carried out; and a process of polishing and flattening the welding seam is also carried out after welding.

Technical Field

The invention relates to the technical field of welding, in particular to a welding device and a welding method.

Background

The welding device is a device for welding two welding objects together, the product to be welded is a welding object, the edge of the welding object at the welding seam position is a welding edge, and a welding seam is arranged between the two welding edges.

The welding device is provided with a device frame, rollers for conveying welding objects are arranged on the device frame, the rollers are used for conveying the welding objects, such as steel plates, a welding gun is arranged on the device frame, the welding gun can generate welding flux, a welding seam always moves forwards under the welding gun under the action of the rollers, and the welding gun is used for welding the welding seam.

In the prior art, the welding gun is one, welding is completed in one step, and the welding device and the welding method have the defect of weak welding, so that the product quality is influenced.

Disclosure of Invention

The invention aims to solve the defects and provide a welding device and a welding method with good welding quality, namely a welding device and a welding method with a welding gun in operation.

The welding device adopts the technical scheme that: the welding gun operation type welding device comprises a device frame, wherein a roller for conveying a welding object is arranged on the device frame, the edge of the welding object at a welding seam part is a welding edge, and a welding seam is arranged between the two welding edges; the welding gun is also arranged on the device frame and can generate welding flux, the welding seam always moves forwards under the welding gun under the action of the roller, the welding gun welds the welding seam, and a welding object moves forwards from back to front in the welding process; the method is characterized in that: the welding gun is multiple, and a first welding gun, a second welding gun and a third welding gun are respectively arranged from back to front; the first welding gun faces one side of the lower surface of the welding seam, the second welding gun faces the other side of the lower surface of the welding seam, and the third welding gun faces the lower surface of the middle of the welding seam; the third welding gun is further mounted on the device frame through a third movement device, and the third movement device can enable the third welding gun to swing back and forth or/and left and right.

Furthermore, the first welding gun is further mounted on the device frame through a first moving device, and the first moving device can enable the first welding gun to swing back and forth.

Furthermore, the second welding gun is further mounted on the device frame through a second movement device, and the second movement device can enable the second welding gun to swing back and forth.

Further, a fourth welding gun and a fifth welding gun are arranged in front of the third welding gun, the fourth welding gun faces one side of the upper surface of the welding seam, and the fifth welding gun faces the other side of the upper surface of the welding seam.

Furthermore, the fourth welding gun is also arranged on the device frame through a fourth movement device, and the fourth movement device can enable the fourth welding gun to swing back and forth.

Furthermore, the fifth welding gun is also arranged on the device frame through a fifth movement device, and the fifth movement device can enable the fifth welding gun to swing back and forth.

Furthermore, a polishing brush is arranged in front of the welding gun, the polishing brush is arranged on the device frame, and the lower surface of the polishing brush is in contact with a welding seam.

Furthermore, the device also comprises a dust suction pipeline, wherein the dust suction pipeline is provided with a dust suction port, and the dust suction port faces to the welding seam position in front of the polishing brush.

Further, a grinding wheel is mounted on the frame, and the lower face of the grinding wheel contacts the weld in front of the fifth welding gun.

Furthermore, the device also comprises a flame thrower, and the flame thrower faces to the rear part of each welding gun of the welding seam.

The welding method adopts the technical scheme that: the welding method comprises the steps of welding a welding object, wherein the edge of the welding object at a welding seam part is a welding edge, and a welding seam is arranged between the two welding edges; the method is characterized in that: firstly, welding the lower part of a welding seam and a corner part facing a welding object, which is the first welding; then, welding the other corner part facing the welding object under the welding seam, which is the second welding; and then, welding the middle part below the welding seam, namely, welding for the third time, wherein in the welding process, the third time of welding is in back-and-forth swinging or/and left-and-right swinging.

Preferably, the welding is performed back and forth during the first welding or/and the second welding.

Furthermore, a fourth welding and a fifth welding are carried out after the third welding; the fourth welding is to weld the upper side of the welding seam and a corner part facing the welding object; and the fifth welding is to weld the upper part of the welding seam and the other corner part of the welding object.

Preferably, the welding device swings back and forth during the fourth welding or/and the fifth welding.

Preferably, the at least one weld is followed by a further process of removing slag from the weld.

Preferably, a process of heating the weld is provided before at least one weld.

Preferably, a process of polishing and flattening the welding seam is also carried out after welding.

The invention has the beneficial effects that: the welding device and the welding method of the steel plate have the advantages that the welding position is not easy to crack, the welding is standard, and the welding quality is good.

Drawings

Fig. 1 is a schematic top view of the present invention.

Fig. 2 is a schematic sectional view taken along the direction a-a in fig. 1.

Fig. 3 is a schematic sectional view taken along the direction B-B in fig. 1.

Fig. 4 is a schematic cross-sectional view taken along line C-C in fig. 1.

Fig. 5 is a schematic cross-sectional view taken along line D-D in fig. 1.

Fig. 6 is a schematic sectional view taken along the direction E-E in fig. 1.

FIG. 7 is a trace diagram of one embodiment of a third welding gun spray weld during welding according to the present invention.

FIG. 8 is a trace diagram of one embodiment of spray welding with a first welding gun, a second welding gun, a third welding gun, and a fourth welding gun according to the present invention.

The device comprises a device frame 1, a device frame 2, a roller 3, a welding object 4, a welding seam 5, a first welding gun 51, a first moving device 6, a second welding gun 61, a second moving device 7, a third welding gun 71, a third moving device 8, a fourth welding gun 81, a fourth moving device 9, a fifth welding gun 91, a fifth moving device 12, a polishing brush 13, a polishing wheel 14 and a flame thrower.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, 2, 3 and 4, the welding gun operation type welding device comprises a device frame 1, wherein a roller 2 for conveying a welding object is arranged on the device frame, the edge of the welding object 3 at a welding seam part is a welding edge, and a welding seam 4 is arranged between the two welding edges; the welding gun is also arranged on the device frame and can generate welding flux, the welding seam always moves forwards under the welding gun under the action of the roller, the welding gun welds the welding seam, a welded object moves from back to front in the welding process, and the direction of an arrow F in the drawing moves forwards; the method is characterized in that: the welding guns are multiple, and are respectively a first welding gun 5, a second welding gun 6 and a third welding gun 7 from back to front; the first welding gun faces one side of the lower surface of the welding seam, the second welding gun faces the other side of the lower surface of the welding seam, and the third welding gun faces the lower surface of the middle of the welding seam; the third welding gun is also arranged on the device frame through a third movement device 71, and the third movement device can enable the third welding gun to swing back and forth or/and left and right.

The device is arranged in such a way that firstly, a corner below a welding part is welded, and the welding part is shown as a part a in the figure; then, welding the other corner below the welding part, wherein the welding part is shown as a part b in the figure; then, welding the middle of the welding part, wherein the welding part is shown as the part c in the figure; the device welds the welding agent part for three times, welds the place which is easy to have welding leak, and in the process of the third welding, the third welding gun swings back and forth or/and left and right, so that the laying and welding are more uniform, and the purpose of the invention can be realized.

The third motion device may be a speed reducer, a motor, a gear box, etc., as long as the third welding gun can swing back and forth or left and right, which can be realized by those skilled in the art, and one embodiment of the trajectory of the third welding gun (sprayed with flux) is shown in fig. 7, but may be of other folded line structures.

Further, the first welding gun is also mounted on the mounting frame through a first moving device 51, and the first moving device can enable the first welding gun to swing back and forth.

Further, the second welding gun is also mounted on the assembly frame through a second moving device 61, and the second moving device can enable the second welding gun to swing back and forth.

The first and second movement devices may be the same as the third movement device, and the following fourth and fifth movement devices may be the same as long as they can swing the welding gun connected thereto in the front-rear direction, and those skilled in the art can realize that one embodiment of the movement locus of the first and second welding guns (spraying the flux) is shown in fig. 8, but may be of other broken line structures.

Further, as shown in fig. 5 and 6, a fourth welding gun 8 and a fifth welding gun 9 are provided in front of the third welding gun, the fourth welding gun facing one side of the weld bead and the fifth welding gun facing the other side of the weld bead.

The device is arranged in such a way that after the third welding is finished, the fourth welding is finished by welding the upper side of the welding part, and the welding part is shown as the part d in the figure; then, welding the other side of the upper surface of the welding part to finish fifth welding, wherein the welding part is shown as part e in the figure; therefore, two parts which are not easy to form flat parts on the welding part are welded, so that the welding is firmer, and the appearance of the welding part can be improved.

Furthermore, the fourth welding gun is also mounted on the device frame through a fourth movement device 81, and the fourth movement device can enable the fourth welding gun to swing back and forth.

Further, the fifth welding gun is further mounted on the mounting frame through a fifth moving device 91, and the fifth moving device can enable the fifth welding gun to swing back and forth.

The structure and principle of the components are the same.

Furthermore, a polishing brush 12 is arranged in front of the welding gun, the polishing brush is arranged on the device frame, and the lower surface of the polishing brush is in contact with a welding seam.

The device is arranged in such a way, so that welding slag can be cleaned (loosened) in time during welding, and the next welding is ensured.

Furthermore, the device also comprises a dust suction pipeline, wherein the dust suction pipeline is provided with a dust suction port, and the dust suction port faces to the welding seam position in front of the polishing brush.

The device is arranged in such a way, so that welding slag can be removed in time during welding, and the next welding is ensured.

Further, a grinding wheel 13 is mounted on the frame, the underside of which contacts the weld in front of the fifth welding gun.

The device is arranged in such a way, so that the polishing wheel for the welding part can be leveled, and excessive welding flux can be removed.

Further, the apparatus includes a torch 14 which faces the rear of each welding gun of the weld.

The device is arranged in such a way, so that the heating of the welding part can be realized, and the welding is ensured to be firmer.

The welding method adopts the technical scheme that: the welding method comprises the steps of welding a welding object, wherein the edge of the welding object at a welding seam part is a welding edge, and a welding seam is arranged between the two welding edges; the method is characterized in that: firstly, welding the lower part of a welding seam and a corner part facing a welding object, which is the first welding; then, welding the other corner part facing the welding object under the welding seam, which is the second welding; and then, welding the middle part below the welding seam, namely, welding for the third time, wherein in the welding process, the third time of welding is in back-and-forth swinging or/and left-and-right swinging.

Preferably, the welding is performed back and forth during the first welding or/and the second welding.

Furthermore, a fourth welding and a fifth welding are carried out after the third welding; the fourth welding is to weld the upper side of the welding seam and a corner part facing the welding object; and the fifth welding is to weld the upper part of the welding seam and the other corner part of the welding object.

Preferably, the welding device swings back and forth during the fourth welding or/and the fifth welding.

Preferably, the at least one weld is followed by a further process of removing slag from the weld.

Preferably, a process of heating the weld is provided before at least one weld.

Preferably, a process of polishing and flattening the welding seam is also carried out after welding.

Preferably, the apparatus used for welding is the welding apparatus described above.

The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the field of the present invention by those skilled in the art are covered within the scope of the present invention.