CN113941801A

CN113941801A - Double-gun girth welding equipment

Info

Publication number: CN113941801A
Application number: CN202111105996.9A
Authority: CN
Inventors: 吕鑫钰; 孙良平
Original assignee: Ningbo Hongju Intelligent Equipment Co ltd
Current assignee: Ningbo Hongju Intelligent Equipment Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-01-18

Abstract

The application provides a double-gun circumferential weld welding equipment, including support, initiative chuck, driven chuck, rotary drive device and two sets of welder, rotary drive device with the transmission of initiative chuck is connected, the initiative chuck with the support rotates and connects, driven chuck with the support rotates and connects, the rotatory axis of initiative chuck with driven chuck's rotatory axis is located same straight line, welder with the leg joint, welder can be followed and is close to or keeps away from the direction motion of the rotatory axis of initiative chuck, welder is located the initiative chuck with between the driven chuck, two sets of welder is along being on a parallel with the direction range of the rotatory axis of initiative chuck.

Description

Double-gun girth welding equipment

Technical Field

The application relates to the technical field of girth welding, in particular to double-gun girth welding equipment.

Background

The circumferential weld refers to that the welding seam is cyclic annular, can adopt the circumferential weld to weld in shaft type part or the welding of pipe type part terminal surface welding process usually, and the circumferential weld welding is manual welding usually among the prior art, because the welding seam encircles a part a week, the staff need rotate the work piece simultaneously, hold welder and aim at the welding seam simultaneously, and the operation is difficult, and welding quality is low.

Disclosure of Invention

The application provides a double-gun girth welding equipment for solve among the prior art manually carry out the problem that the girth welding is difficult, welding quality is low.

In order to achieve the above purpose, the embodiments of the present application propose the following technical solutions:

the utility model provides a double-gun girth welding equipment, includes support, initiative chuck, driven chuck, rotary drive device and two sets of welder, rotary drive device with the transmission of initiative chuck is connected, the initiative chuck with the support rotates and connects, driven chuck with the support rotates and connects, the rotatory axis of initiative chuck with driven chuck's rotatory axis is located same straight line, welder with the leg joint, welder can be followed and is close to or keeps away from the direction motion of the rotatory axis of initiative chuck, welder is located the initiative chuck with between the driven chuck, it is two sets of welder is along being on a parallel with the direction arrangement of the rotatory axis of initiative chuck.

In some embodiments, the central axis of rotation of the active chuck is disposed horizontally.

In some embodiments, the welding gun is positioned directly above the central axis of rotation of the active chuck.

In some embodiments, the double-gun girth welding device further comprises a sliding table and a first sliding block, the sliding table is fixedly connected with the support, and the first sliding block is connected with the sliding table in a sliding mode along a direction parallel to the rotation central axis of the driving chuck.

In some embodiments, the double-gun girth welding equipment further comprises a first cylinder, the first cylinder is in transmission connection with the first sliding block, the first cylinder is fixedly connected with the sliding table, and the telescopic direction of the first cylinder is parallel to the rotation central axis of the driving chuck.

In some embodiments, the rotation driving device includes a rotating electrical machine, the rotating electrical machine is fixedly connected to the support, a driven wheel is fixedly connected to the driving chuck, a driving wheel is fixedly connected to an output shaft of the rotating electrical machine, belts are wound around the driving wheel and the driven wheel, and the driving wheel and the driven wheel are driven by the belts.

In some embodiments, the double-gun girth welding equipment further comprises a stand column, a vertical guide rail, a second slider and a second cylinder, the second cylinder is fixedly connected with the stand column, the vertical guide rail is fixedly connected with the stand column, the second slider is connected with the vertical guide rail in a sliding mode along the vertical direction, the telescopic direction of the second cylinder is vertical, a piston rod of the second cylinder is connected with the second slider in a transmission mode, the welding gun is connected with the second slider, and the second slider is connected with the vertical guide rail in a sliding mode along the vertical direction.

In some embodiments, the double-gun girth welding equipment further comprises a horizontal guide rail, a third slider and a third cylinder, the horizontal guide rail is fixedly connected with the second slider, the third slider is connected with the horizontal guide rail in a sliding manner along a direction parallel to the rotation central axis of the driving chuck, the telescopic direction of the third cylinder is parallel to the rotation central axis of the driving chuck, the third cylinder is fixedly connected with the horizontal guide rail, a piston rod of the third cylinder is in transmission connection with the third slider, and the welding gun is fixedly connected with the third slider.

Has the advantages that: the two pipe parts are respectively clamped on a driving chuck and a driven chuck, a first cylinder drives a first sliding block to slide along a sliding table, the distance between the driving chuck and the driven chuck is adjusted, the end faces of the two pipe parts are abutted together, a third cylinder drives a third sliding block to move horizontally, a second cylinder drives a second sliding block to move downwards until a welding head of a welding gun is contacted with a welding seam, a rotating motor drives the driving chuck to rotate, the welding gun continuously welds the welding seam in the rotating process of the driving chuck, the circumferential welding process is completed after the driving chuck rotates for a circle, the rotating motor stops working, the welding gun is reset by reverse driving of the second cylinder and the third cylinder, the driving chuck and the driven chuck are loosened, the parts are taken down from the driving chuck and the driven chuck, and the driven chuck is reset by reverse driving of the first cylinder. Two sets of welder can weld two axial different positions of part in step simultaneously, improve welding efficiency. Compared with manual welding in the prior art, the welding efficiency is high, the problem of difficulty in girth welding is solved, and the welding quality is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of a double-gun girth welding apparatus in an embodiment of the present application;

FIG. 2 is a schematic view showing the internal structure of a holder of the double-gun girth welding apparatus in the embodiment of the present application;

FIG. 3 is a schematic diagram showing the relative positions of the welding gun, the driving chuck and the driven chuck according to the embodiment of the present application;

fig. 4 is a schematic view of a connection structure between the welding gun and the column in the embodiment of the present application.

Reference numerals:

101. a support; 102. an active chuck; 103. a driven chuck; 104. a welding gun; 105. a sliding table; 106. a first slider; 107. a first cylinder; 108. a rotating electric machine; 109. a driven wheel; 110. a driving wheel; 111. a belt; 112. a column; 113. a vertical guide rail; 114. a second slider; 115. a second cylinder; 116. a horizontal guide rail; 117. a third slider; 118. and a third cylinder.

Detailed Description

Embodiments of the present application will be described in further detail below with reference to the drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

In the embodiments of the present application, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may be directly contacted with the second feature or indirectly contacted with the second feature through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," "some examples," or "possible implementations" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in fig. 1, 2, 3 and 4, in an embodiment of the present application, there is provided a double-gun girth welding apparatus, including a support 101, a driving chuck 102, a driven chuck 103, a rotation driving device, and two sets of welding guns 104, wherein the rotation driving device is in transmission connection with the driving chuck 102, the driving chuck 102 is in rotation connection with the support 101, the driven chuck 103 is in rotation connection with the support 101, a central axis of rotation of the driving chuck 102 and a central axis of rotation of the driven chuck 103 are located on the same straight line, the welding guns 104 are connected with the support 101, the welding guns 104 can move in a direction close to or far from the central axis of rotation of the driving chuck 102, the welding guns 104 are located between the driving chuck 102 and the driven chuck 103, and the two sets of welding guns 104 are arranged in a direction parallel to the central axis of rotation of the driving chuck 102.

In some embodiments, the central axis of rotation of the active chuck 102 is disposed horizontally.

In some embodiments, torch 104 is positioned directly above the central axis of rotation of active chuck 102.

In some embodiments, the double-gun girth welding apparatus further includes a sliding table 105 and a first sliding block 106, the sliding table 105 is fixedly connected with the support 101, and the first sliding block 106 is slidably connected with the sliding table 105 along a direction parallel to the central axis of rotation of the driving chuck 102.

In some embodiments, the double-gun girth welding device further comprises a first cylinder 107, the first cylinder 107 is in transmission connection with the first sliding block 106, the first cylinder 107 is fixedly connected with the sliding table 105, and the telescopic direction of the first cylinder 107 is parallel to the rotation central axis of the driving chuck 102.

In some embodiments, the rotation driving device includes a rotation motor 108, the rotation motor 108 is fixedly connected to the support 101, a driven wheel 109 is fixedly connected to the driving chuck 102, a driving wheel 110 is fixedly connected to an output shaft of the rotation motor 108, a belt 111 is wound around the driving wheel 110 and the driven wheel 109, and the driving wheel 110 and the driven wheel 109 are driven by the belt 111.

In some embodiments, the double-gun girth welding equipment further comprises an upright post 112, a vertical guide rail 113, a second slider 114 and a second air cylinder 115, the second air cylinder 115 is fixedly connected with the upright post 112, the vertical guide rail 113 is fixedly connected with the upright post 112, the second slider 114 is connected with the vertical guide rail 113 in a sliding mode along the vertical direction, the telescopic direction of the second air cylinder 115 is vertical, a piston rod of the second air cylinder 115 is in transmission connection with the second slider 114, the welding gun 104 is connected with the second slider 114, and the second slider 114 is connected with the vertical guide rail 113 in a sliding mode along the vertical direction.

In some embodiments, the double-gun girth welding apparatus further includes a horizontal guide rail 116, a third slider 117, and a third air cylinder 118, the horizontal guide rail 116 is fixedly connected to the second slider 114, the third slider 117 is slidably connected to the horizontal guide rail 116 along a direction parallel to the central axis of rotation of the driving chuck 102, the third air cylinder 118 extends and retracts in a direction parallel to the central axis of rotation of the driving chuck 102, the third air cylinder 118 is fixedly connected to the horizontal guide rail 116, a piston rod of the third air cylinder 118 is in driving connection with the third slider 117, and the welding gun 104 is fixedly connected to the third slider 117.

In the double-gun girth welding equipment provided by the embodiment, in the working process, two pipe parts are respectively clamped on the driving chuck 102 and the driven chuck 103, the first air cylinder 107 drives the first sliding block 106 to slide along the sliding table 105, the distance between the driving chuck 102 and the driven chuck 103 is adjusted, so that the end surfaces of the two pipe parts are abutted together, the third air cylinder 118 drives the third sliding block 117 to horizontally move, the second air cylinder 115 drives the second sliding block 114 to downwards move until the welding head of the welding gun 104 is contacted with the welding seam, the rotating motor 108 drives the driving chuck 102 to rotate, in the rotating process of the driving chuck 102, the welding gun 104 continuously welds the welding seam, after the driving chuck 102 rotates for one circle, the girth welding process is completed, the rotating motor 108 stops working, the welding gun 104 is reset by the reverse driving of the second air cylinder 115 and the third air cylinder 118, the driving chuck 102 and the driven chuck 103 are released, and the parts are taken down from the driving chuck 102 and the driven chuck 103, the first cylinder 107 is driven in reverse to reset the slave chuck 103. The two groups of welding guns 104 can synchronously weld two different axial positions of the part, so that the welding efficiency is improved. Compared with manual welding in the prior art, the welding efficiency is high, the problem of difficulty in girth welding is solved, and the welding quality is improved.

The above-mentioned undefined "transmission connection" adopts fixed connection, and the above-mentioned "located on the same straight line", "parallel", "vertical" and "horizontal" are theoretically optimal working states, and can be realized within an allowable error range in practice, so that the expression should not be regarded as a constraint on the protection range of the technical solution of the embodiment.

The above examples are only for explaining the present application and are not intended to limit the present application, and those skilled in the art can make modifications to the embodiments of the present application without inventive contribution as needed after reading the present specification, but are protected by patent laws within the scope of the claims of the present application.

Claims

1. A double-gun girth welding device is characterized by comprising a bracket (101), a driving chuck (102), a driven chuck (103), a rotary driving device and two groups of welding guns (104), the rotary driving device is in transmission connection with the driving chuck (102), the driving chuck (102) is in rotation connection with the bracket (101), the driven chuck (103) is rotationally connected with the bracket (101), the rotation central axis of the driving chuck (102) and the rotation central axis of the driven chuck (103) are positioned on the same straight line, the welding torch (104) is connected with the bracket (101), the welding torch (104) can move along the direction close to or far from the rotation central axis of the active chuck (102), the welding guns (104) are positioned between the driving chuck (102) and the driven chuck (103), and two groups of welding guns (104) are arranged along the direction parallel to the rotation central axis of the driving chuck (102).

2. The twin gun girth welding apparatus according to claim 1, characterized in that the central axis of rotation of the active chuck (102) is arranged horizontally.

3. The twin gun girth welding apparatus of claim 2, wherein the welding torch (104) is located directly above a central axis of rotation of the active chuck (102).

4. The twin-gun girth welding apparatus according to claim 3, further comprising a sliding table (105) and a first sliding block (106), wherein the sliding table (105) is fixedly connected with the support (101), and the first sliding block (106) is slidably connected with the sliding table (105) along a direction parallel to the central axis of rotation of the driving chuck (102).

5. The double-gun girth welding device according to claim 4, characterized in that the double-gun girth welding device further comprises a first air cylinder (107), the first air cylinder (107) is in transmission connection with the first sliding block (106), the first air cylinder (107) is fixedly connected with the sliding table (105), and the telescopic direction of the first air cylinder (107) is parallel to the rotation central axis of the driving chuck (102).

6. The double-gun girth welding device according to claim 5, characterized in that the rotary driving device comprises a rotary motor (108), the rotary motor (108) is fixedly connected with the support (101), a driven wheel (109) is fixedly connected to the driving chuck (102), a driving wheel (110) is fixedly connected to an output shaft of the rotary motor (108), a belt (111) is wound on the driving wheel (110) and the driven wheel (109), and the driving wheel (110) and the driven wheel (109) are in transmission through the belt (111).

7. The double-gun girth welding device according to claim 6, further comprising a vertical column (112), a vertical guide rail (113), a second slider (114) and a second air cylinder (115), wherein the second air cylinder (115) is fixedly connected with the vertical column (112), the vertical guide rail (113) is fixedly connected with the vertical column (112), the second slider (114) is slidably connected with the vertical guide rail (113) along the vertical direction, the telescopic direction of the second air cylinder (115) is vertical, a piston rod of the second air cylinder (115) is in transmission connection with the second slider (114), the welding gun (104) is connected with the second slider (114), and the second slider (114) is slidably connected with the vertical guide rail (113) along the vertical direction.

8. The double-gun girth welding device according to claim 7, further comprising a horizontal guide rail (116), a third slider (117) and a third cylinder (118), wherein the horizontal guide rail (116) is fixedly connected with the second slider (114), the third slider (117) is slidably connected with the horizontal guide rail (116) along a direction parallel to the central axis of rotation of the driving chuck (102), the telescopic direction of the third cylinder (118) is parallel to the central axis of rotation of the driving chuck (102), the third cylinder (118) is fixedly connected with the horizontal guide rail (116), the piston rod of the third cylinder (118) is in transmission connection with the third slider (117), and the welding gun (104) is fixedly connected with the third slider (117).