Pneumatic welding device

Abstract

The utility model provides a pneumatic welding device, and relates to the technical field of welding. The pneumatic welding device comprises an air cylinder overturning and clamping assembly used for placing a to-be-welded part and clamping the to-be-welded part; the rotating assembly is connected with the air cylinder overturning and clamping assembly and used for rotating the air cylinder overturning and clamping assembly so that the to-be-welded part can be moved to the target welding position; the device supporting bottom plate is connected with the air cylinder overturning and clamping assembly and the rotating assembly, and the supporting bottom plate is used for containing the air cylinder overturning and clamping assembly and the rotating assembly. The to-be-welded part is overturned and clamped through the air cylinder overturning and clamping assembly, and the rotating assembly connected with the air cylinder overturning and clamping assembly can rotate the air cylinder overturning and clamping assembly where the to-be-welded part is placed, so that the to-be-welded part can be moved to a target welding position, and welding of a welding robot is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of welding, for example to a pneumatic welding device. BACKGROUND

[0002] With the development of science and technology, the high-end temperature control equipment in the semiconductor industry has higher and higher requirements for air tightness and zero tolerance for missed welding. Therefore, the welding and deformation prevention of various to-be-welded parts constituting the high-end temperature control equipment are extremely high, which is a great test for manual welding. Therefore, using a welding robot to replace manual welding can reduce the risk of missed welding and improve welding efficiency.

[0003] Currently, before welding by a welding robot, the robot needs to be debugged, and then welding is performed in cooperation with a welding tool. In related technologies, the material of the welding tool is mostly Q235A or 45 steel, which is very heavy and difficult to move. The welding robot cannot weld different welding points of the to-be-welded part at corresponding angles, resulting in low welding efficiency. SUMMARY

[0004] The present application aims to provide a pneumatic welding device.

[0005] According to an aspect of the present application, a pneumatic welding device is provided, comprising:

[0006] A cylinder overturning and clamping assembly is used to place a to-be-welded part and clamp the to-be-welded part;

[0007] A rotating assembly is connected with the cylinder overturning and clamping assembly and is used to rotate the cylinder overturning and clamping assembly to move the to-be-welded part to a target welding position;

[0008] A device support base is connected with the cylinder overturning and clamping assembly and the rotating assembly, respectively, and is used to place the cylinder overturning and clamping assembly and the rotating assembly.

[0009] According to some embodiments, the cylinder overturning and clamping assembly comprises:

[0010] A clamping support is used to place a to-be-welded part and limit the movement of the to-be-welded part;

[0011] A cylinder overturning part is connected with the clamping support and is used to overturn the clamping support to enable the to-be-welded part to be placed on the clamping support and provide power to clamp the to-be-welded part.

[0012] According to some embodiments, the cylinder overturning part comprises:

[0013] A pressing part is used to cooperate with the clamping support to press the to-be-welded part from the side;

[0014] a piston driving member for driving the pressing member to perform a pressing action;

[0015] a turning cylinder for providing driving force for the piston driving member to perform the pressing action.

[0016] According to some embodiments, the clamping support comprises:

[0017] a support hole plate for placing the workpiece to be welded;

[0018] a protective side plate connected to one end of the support hole plate for limiting the movement of the workpiece to be welded.

[0019] According to some embodiments, the pneumatic welding device further comprises:

[0020] a connecting assembly for adjusting the vertical height of the clamping support and supporting the support hole plate on which the workpiece to be welded is placed.

[0021] According to some embodiments, the connecting assembly comprises:

[0022] a height adjustment bracket for adjusting the vertical height of the clamping support;

[0023] a bracket support bottom plate connected to the height adjustment bracket and the rotating assembly respectively for supporting the support hole plate on which the workpiece to be welded is placed.

[0024] According to some embodiments, the material of the cylinder turning and clamping assembly is aluminum-magnesium-silicon alloy.

[0025] According to some embodiments, the rotating assembly comprises:

[0026] a rotating component for rotating the cylinder turning and clamping assembly to move the workpiece to be welded to a target welding position;

[0027] a rotating cylinder connected to the rotating component for providing rotating power to the rotating component.

[0028] According to some embodiments, the rotating component comprises:

[0029] a connecting bottom plate connected to the rotating cylinder;

[0030] a rotating top plate connected to one end of the connecting bottom plate and the other end of the cylinder turning and clamping assembly.

[0031] According to some embodiments, the device support bottom plate comprises a plurality of bottom plate vias for connecting a robot positioner so that the robot positioner can move the workpiece to be welded to the welding area of a welding robot.

[0032] It should be understood that the above general description and the following detailed description are only exemplary and do not limit the present application.

[0033] Advantages:

[0034] Through the above-mentioned embodiments provided by the present application, the to-be-welded piece can be placed and clamped stably and quickly by the cylinder overturning clamping assembly, not only ensuring the stability of the to-be-welded piece during welding, but also greatly improving the work efficiency and reducing the welding quality problems caused by unstable clamping. The rotating assembly connected with the cylinder overturning clamping assembly can accurately rotate the to-be-welded piece to the target welding position. This flexibility enables the tooling to adapt to various shapes and sizes of welding pieces and complex welding requirements, thereby widening the application range of the tooling. The support base, as the foundation of the entire tooling, stably supports the cylinder overturning clamping assembly and the rotating assembly, ensuring the stability and reliability of the tooling under long-time and high-intensity use. At the same time, this design also simplifies the operation process of the tooling, enabling the operator to easily and quickly complete the preparation work before welding. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without departing from the scope of the present application.

[0036] Figure 1 The application scenario schematic diagram provided for the embodiments of the present application;

[0037] Figure 2 The schematic diagram of the pneumatic welding device provided for the embodiments of the present application;

[0038] Figure 3 The composition schematic diagram of the pressing piece provided for the embodiments of the present application. DETAILED DESCRIPTION

[0039] Example embodiments now will be described more fully hereinafter with reference to the accompanying drawings. Example embodiments may, however, be implemented in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. Like reference numerals refer to like elements throughout the several views of the drawings, and description of the same or like elements can be simplified in some instances through not repeating the description of those elements.

[0040] Moreover, the described features, structures, or characteristics can be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the application can be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, devices, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the application.

[0041] The block diagrams in the drawings show only the functionality of the features and do not imply that the functions must be performed in the particular order presented or that the functions must be performed at all. Further, the terms and expressions used herein have the ordinary meaning as is accorded to such terms and expressions by those having ordinary skill in the art except where defined differently by the following detailed description.

[0042] The flow diagrams shown in the drawings are examples only and are not necessarily to be construed as having any special order of execution. For example, some operations / steps can be performed in a different order, or can be combined or partially combined, and thus the actual order of execution can vary from what is described.

[0043] It should be understood that although the terms first, second, third, etc. can be used herein to describe various components, these components should not be limited by these terms. These terms are used only to distinguish one component from another. Thus, a first component discussed below could be termed a second component without departing from the teachings of the present disclosure. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0044] Figure 1 The application scenario diagram is provided for the embodiments of the present application. The pneumatic welding device 1 in the present application is fixed on the robot positioner 2 through the bottom plate via hole. The robot positioner 2 can carry the pneumatic welding device 1 to move to the welding area of the welding robot 3, so that the welding robot 3 can weld the to-be-welded piece placed on the pneumatic welding device 1. For a plurality of welding points on the to-be-welded piece, the welding robot 3 can weld one by one. In the case of welding a welding point, the pneumatic welding device 1 can be rotated to adjust the next welding point to the welding area of the welding robot 3.

[0045] The specific implementation can refer to the following embodiments.

[0046] Figure 2 The schematic diagram of the pneumatic welding device provided for the embodiments of the present application is shown. As shown in the figure, the pneumatic welding device 1 includes: Figure 2

[0047] ​The cylinder overturning and clamping assembly 10 is used to place the workpiece 4 to be welded and clamp the workpiece 4 to be welded.

[0048] The rotating assembly 11 is connected with the cylinder overturning and clamping assembly 10 and is used to rotate the cylinder overturning and clamping assembly 10 to move the workpiece 4 to be welded to the target welding position.

[0049] The device support base plate 12 is connected with the cylinder overturning and clamping assembly 10 and the rotating assembly 11, respectively, and is used to place the cylinder overturning and clamping assembly 10 and the rotating assembly 11.

[0050] The pneumatic welding device 1 of the present application can include three parts, namely the cylinder overturning and clamping assembly 10, the rotating assembly 11 and the device support base plate 12. The cylinder overturning and clamping assembly 10 can provide power for overturning and clamping through the cylinder. The rotating assembly 11 is arranged below the cylinder overturning and clamping assembly 10, which not only supports the cylinder overturning and clamping assembly 10 to a certain extent, but also provides power for the rotation of the cylinder overturning and clamping assembly 10. The cylinder overturning and clamping assembly 10 and the rotating assembly 11 are both arranged on the device support base plate 12, which realizes the integration of the starting welding tool 1, and the device support base plate 12 also supports the cylinder overturning and clamping assembly 10 to a certain extent.

[0051] The cylinder overturning and clamping assembly can stably and quickly place and clamp the workpiece to be welded, which not only ensures the stability of the workpiece to be welded during welding, but also greatly improves the work efficiency and reduces the welding quality problems caused by unstable clamping. The rotating assembly connected with the cylinder overturning and clamping assembly can accurately rotate the workpiece to be welded to the target welding position. This flexibility enables the tool to adapt to various shapes and sizes of workpieces and complex welding requirements, thereby widening the application range of the tool. The support base plate, as the foundation of the entire tool, stably supports the cylinder overturning and clamping assembly and the rotating assembly, ensuring the stability and reliability of the tool under long-term and high-intensity use. At the same time, this design also simplifies the operation process of the tool, making it easy and fast for the operator to complete the preparation work before welding.

[0052] According to some embodiments, the cylinder overturning and clamping assembly 10 includes:

[0053] The clamping support 100 is used to place the workpiece 4 to be welded and limit the movement of the workpiece 4 to be welded;

[0054] The cylinder overturning part 101 is connected with the clamping support 100 and is used to overturn the clamping support 100, so that the workpiece 4 to be welded can be placed on the clamping support 100 and provide power for clamping the workpiece 4 to be welded.

[0055] In this application, the clamping support 100 is a semi-closed structure that can hold the welding piece 4, and can cooperate with the cylinder overturning part 101 to make the welding piece 4 unable to move freely before clamping. The cylinder overturning part 101 can be provided with multiple, and in some implementations, four can be provided.

[0056] In the case where the welding piece 4 is not placed, the cylinder overturning part 101 is in a relaxed state. When the welding piece 4 is placed on the clamping support 100, the cylinder overturning part 101 can act under the action of the cylinder to clamp the welding piece 4. The cylinder overturning part 101 can be provided with a power source inlet and outlet for the inlet and outlet of the power source.

[0057] The design of the clamping support in this application ensures that the welding piece can be stably supported when placed, while effectively limiting the movement of the welding piece, preventing accidental displacement during the preparation stage before welding or during the welding process, thereby ensuring the accuracy and safety of welding. The combination of the cylinder overturning part and the clamping support realizes efficient overturning and clamping of the welding piece. Through the power output of the cylinder, the clamping support can be quickly and smoothly overturned to place the welding piece in the correct position and at the same time provide sufficient clamping force to ensure the stability of the welding piece during welding.

[0058] According to some embodiments, reference can be made to Figure 3 The cylinder overturning part 101 includes:

[0059] The pressing part 1010 is used to cooperate with the clamping support 100 to press the welding piece 4 from the side;

[0060] The piston driving part 1011 is used to drive the pressing part 1010 to press;

[0061] The overturning cylinder 1012 is used to provide driving force for the piston driving part 1011 to press.

[0062] In this application, the pressing part 1010 is a structure similar to a pressing plate, and the clamping support 100 itself can block the side of the welding piece 4. This structure can cooperate with the clamping support 100 to press the welding piece 4.

[0063] The piston driving part 1011 is a structure containing a piston module, which can change the state of the pressing part 1010, such as relaxation and pressing, through the movement of the piston driving part 1011. The overturning cylinder 1012 can provide power for the action of the piston driving part 1011, so that the piston driving part 1011 can drive the clamping support 100 to act and press the welding piece 4.

[0064] In some implementations, reference can be made to Figure 3The pressing member 1010 can specifically include a pressing arm 10100 and a pressing block 10101. The piston driving member 1011 can specifically include a connecting block 10110, a pin shaft 10111, and a piston rod 10112.

[0065] The cooperation design of the pressing member and the clamping support member in the present application realizes the close pressing of the to-be-welded member from the side. This pressing method not only ensures the stability of the to-be-welded member during the welding process, preventing it from being displaced due to vibration or external force, but also improves the accuracy and quality of the welding. The piston driving member realizes the quick, stable, and reliable pressing action through precise control, further enhancing the pressing effect. The turnover cylinder serves as the power source of the piston driving member, providing strong and controllable driving force.

[0066] According to some embodiments, the clamping support member 100 includes:

[0067] A support hole plate 1000 for placing the to-be-welded member 4;

[0068] A protective side plate 1001 connected to one end of the support hole plate 1000 for limiting the movement of the to-be-welded member.

[0069] In the present application, the clamping support member 100 is not just a support plate, but includes two parts: the support hole plate 1000 and the protective side plate 1001. The support hole plate 1000 can place the to-be-welded member 4 and play a major supporting role. One end of the protective side plate 1001 is connected perpendicularly to one end of the support hole plate 1000, which can preliminarily fix the to-be-welded member 4 and limit its movement.

[0070] The present application provides a stable and precise placement platform for the to-be-welded member through the design of the support hole plate. One end of the protective side plate is connected to one end of the support hole plate, forming an effective limiting structure that can prevent the to-be-welded member from moving or deviating during the welding process due to external forces such as expansion caused by welding heat, accidental touching by the operator, etc.

[0071] According to some embodiments, the pneumatic welding device 1 of the present application can further include:

[0072] A connecting assembly 13 for adjusting the vertical height of the clamping support member 100 and supporting the support hole plate 1000 on which the to-be-welded member 4 is placed.

[0073] The present application can also include a connecting assembly 13 with the ability to adjust the height to match the height of the to-be-welded member 4, while supporting the support hole plate 1000 to share the pressure on the rotating assembly 11.

[0074] The design of the connecting assembly in this application allows the vertical height of the clamping support (particularly the support hole plate) to be adjusted according to actual needs. This flexibility not only adapts to different sizes and shapes of the workpieces to be welded, but also facilitates the operator to accurately adjust the position of the workpieces to be welded according to the requirements of the welding process, so as to achieve the best welding effect. The connecting assembly not only serves to adjust the height, but also bears the responsibility of supporting the support hole plate on which the workpieces to be welded are placed. Through reasonable structural design and material selection, the connecting assembly can provide sufficient strength and rigidity to ensure that the support hole plate does not deform or sink during the welding process, thereby ensuring the stability of the workpieces to be welded and the welding quality. Since the connecting assembly allows accurate height adjustment of the clamping support, the operator can more easily achieve accurate alignment between the workpieces to be welded and the welding equipment (such as a welding gun). This accurate alignment reduces errors and deviations during welding, improving the precision and consistency of welding.

[0075] According to some embodiments, the connecting assembly 13 comprises:

[0076] a height adjustment bracket 130 for adjusting the vertical height of the clamping support 100;

[0077] a bracket support bottom plate 131 connected with the height adjustment bracket 130 and the rotating assembly 11 respectively, for supporting the support hole plate 1000 on which the workpieces to be welded are placed.

[0078] In this application, the height adjustment bracket 130 can be designed as a column, and a manual rotation adjustment knob or the like can be provided on it to facilitate the operator to adjust the height of the bracket. In some implementations, a locking mechanism such as a locking nut, a locking pin, etc. can also be provided to prevent the height adjustment bracket 130 from vibrating during welding. One end of the bracket support bottom plate 131 is connected with the top end of the height adjustment bracket 130, and the other end is connected with the rotating assembly 11 (if applicable) or other fixed structures. These connection points can be connected by bolts, nuts, pins, etc. to ensure the firmness and stability of the connection.

[0079] The design of the height adjustment bracket in this application allows the vertical height of the clamping support to be flexibly adjusted according to actual needs, not only meeting the processing needs of workpieces to be welded of different sizes and shapes, but also facilitating the operator to accurately set the working height of the workpieces to be welded according to the specific requirements of the welding process, thereby optimizing the efficiency and quality of the welding operation. The bracket support bottom plate, as a key component connecting the height adjustment bracket and the rotating assembly, ensures that the support hole plate on which the workpieces to be welded are placed can be stably supported and positioned. This stability not only prevents displacement or tilting that may occur during welding, but also effectively protects the workpieces to be welded from damage, further improving the precision and reliability of the welding operation.

[0080] According to some embodiments, the material of the cylinder flipping clamping assembly 10 is an aluminum-magnesium-silicon alloy.

[0081] In some implementations, the cylinder flipping clamping assembly 10, the rotating assembly 11, and the connecting assembly 13 are all made of an aluminum-magnesium-silicon alloy. The application selects 6061 aluminum-magnesium-silicon heat-treatable strengthening aluminum alloy. The hardness of 6061 aluminum-magnesium-silicon heat-treatable strengthening aluminum alloy is relatively low, and the structure made of this material can avoid deformation of the workpiece to be welded when clamping the workpiece to be welded.

[0082] According to some embodiments, the rotating assembly 11 includes:

[0083] The rotating component 110 is used to rotate the cylinder flipping clamping assembly 10 to move the workpiece to be welded 4 to the target welding position.

[0084] The rotating cylinder 111 is connected with the rotating component 110 and is used to provide rotating power for the rotating component 110.

[0085] In the application, the rotating component 110 can be connected with the rotating cylinder flipping clamping assembly 10 and can be driven to rotate by the rotating cylinder 111, thereby driving the rotating cylinder flipping clamping assembly 10.

[0086] In some implementations, the end of the rotating component 110 connected with the rotating cylinder flipping clamping assembly 10 can be provided with multiple bolts for firm connection.

[0087] The rotating component in the application can accurately control the rotation angle and speed of the cylinder flipping clamping assembly, ensuring that the workpiece to be welded can be accurately moved to the target welding position. This precise control helps to reduce errors in the welding process and improve the quality and reliability of the welded joints. The rotating cylinder provides powerful rotating power and can quickly and smoothly drive the rotating component and the cylinder flipping clamping assembly to rotate. This enables the welding operation to be carried out more quickly, significantly improving production efficiency. The connection design of the rotating component and the rotating cylinder is strong and reliable, and can withstand large loads and impact forces. This stability helps to ensure the stable position of the cylinder flipping clamping assembly and the workpiece to be welded during the welding process, preventing welding defects caused by vibration or impact.

[0088] According to some embodiments, the rotating component 110 includes:

[0089] The connecting bottom plate 1100 is connected with the rotating cylinder 111.

[0090] The rotating top plate 1101 is connected with the connecting bottom plate 1100 at one end and connected with the cylinder flipping clamping assembly 10 at the other end.

[0091] In this application, the connecting base 1100 is stably connected with the rotating cylinder 111, ensuring that the rotating power can be accurately and efficiently transmitted to the rotating part 110. The connecting base 1100 can be made of high-strength and wear-resistant materials, such as alloy steel or cast iron, to ensure its stability and durability during use. It can include a connecting interface, such as a flange, a bolt hole, etc., that matches the rotating cylinder 111 to achieve reliable connection.

[0092] One end of the rotating top plate 1101 is connected with the connecting base 1100, and the other end is connected with the cylinder overturning and clamping assembly 10. The rotating top plate 1101 is responsible for transmitting the rotating power from the connecting base 1100 to the cylinder overturning and clamping assembly 10 and driving it to rotate. The rotating top plate 1101 can be made of 6061 aluminum-magnesium-silicon heat-treatable strengthening aluminum alloy, which avoids damaging the workpiece 4 when directly connected with the cylinder overturning and clamping assembly 10. The rotating top plate 1101 can include a connecting interface, such as a bolt hole, a pin hole, etc., that matches the connecting base 1100 and the cylinder overturning and clamping assembly 10 to achieve reliable connection and transmission. In addition, the structure of the rotating top plate 1101 can also include bearings, seals and other auxiliary components to ensure the stability and sealing of the rotating motion.

[0093] The connecting base of the present application is the basic component of the rotating part, which is stably connected with the rotating cylinder to ensure the reliability and stability of the rotating power transmission. By optimizing the connection between the connecting base and the rotating top plate, the energy loss and frictional resistance in the transmission process are reduced. The power provided by the rotating cylinder can be more efficiently transmitted to the cylinder overturning and clamping assembly, thereby improving the overall transmission efficiency.

[0094] According to some embodiments, the device support base plate 12 includes a plurality of base plate vias 120 for connecting the robot positioner 2, so that the robot positioner 2 can move the workpiece 1 to the welding area of the welding robot 3.

[0095] In this application, the pneumatic welding device 1 is fixed on the robot positioner 2 through the plurality of base plate vias 120 on the device support base plate 12. A knob or a sensor can be provided on the robot positioner 2. After the operator places the workpiece 4 on the pneumatic welding device 1, the knob can be operated so that the pneumatic welding device 1 clamps the workpiece 4, and the robot positioner 2 moves to carry the workpiece 1 to the welding area of the welding robot 3.

[0096] In some implementations, the workpiece 4 can be placed on the pneumatic welding device 1 by a mechanical arm. When the sensor provided on the robot positioner 2 senses that the workpiece 4 is placed, the cylinder overturning and clamping assembly 10 can be clamped to facilitate welding.

[0097] The connection between the device support base plate and the robot positioner in the present application allows the workpiece to be automatically and accurately moved to the welding area of the welding robot. This automated operation reduces manual intervention, improves production efficiency, reduces welding errors caused by human factors, and ensures the safety of the operator. Through accurate positioning and stable support of the device support base plate, the workpiece can maintain a stable posture and position during the welding process. The multiple base plate vias on the device support base plate allow the robot positioner to be flexibly adjusted according to different welding requirements and workpiece shapes, which helps to adapt to different sizes and shapes of workpieces, improving the versatility and adaptability of the welding operation. The cooperation between the device support base plate and the robot positioner allows the welding operation to be carried out more quickly and efficiently.

[0098] The above describes the embodiments of the present application in detail, and the principles and implementation methods of the present application are described by applying specific examples. The above description of the embodiments is only used to help understand the method and its core idea. Meanwhile, any changes or modifications made by those skilled in the art based on the principles of the present application, the specific implementation methods and the scope of application are within the scope of protection of the present application. In summary, the content of the specification should not be understood as a limitation of the present application.

Claims

1. A gas dynamic welding device, characterized in that, The device comprises: a cylinder overturning and clamping assembly for placing a piece to be welded and clamping the piece to be welded; a rotating assembly connected with the cylinder overturning and clamping assembly for rotating the cylinder overturning and clamping assembly to move the piece to be welded to a target welding position; a device support base plate connected with the cylinder overturning and clamping assembly and the rotating assembly respectively for supporting the cylinder overturning and clamping assembly and the rotating assembly.

2. The pneumatic welding device of claim 1, wherein, The cylinder overturning and clamping assembly comprises: a clamping support for placing the piece to be welded and limiting the movement of the piece to be welded; a cylinder overturning component connected with the clamping support for overturning the clamping support to enable the piece to be welded to be placed on the clamping support and provide power for clamping the piece to be welded.

3. The pneumatic welding device of claim 2, wherein, The cylinder overturning component comprises: a pressing part for cooperating with the clamping support to press the piece to be welded from the side; a piston driving part for driving the pressing part to perform the pressing action; an overturning cylinder for providing driving pressing power for the piston driving part.

4. The pneumatic welding device of claim 2, wherein, The clamping support comprises: a support hole plate for placing the piece to be welded; a protective side plate connected with one end of the support hole plate for limiting the movement of the piece to be welded.

5. The pneumatic welding device of claim 4, wherein, Further comprising: a connecting assembly for adjusting the vertical height of the clamping support and supporting the support hole plate on which the piece to be welded is placed.

6. The pneumatic welding device of claim 5, wherein, The connecting assembly comprises: a height adjustment bracket for adjusting the vertical height of the clamping support; a bracket support base plate connected with the height adjustment bracket and the rotating assembly respectively for supporting the support hole plate on which the piece to be welded is placed.

7. The gasdynamic welding device according to any of claims 1-6, characterized in that The cylinder overturning and clamping assembly contains an aluminum-magnesium-silicon alloy.

8. The pneumatic welding device of claim 1, wherein, The rotating assembly comprises: a rotating component for rotating the cylinder overturning and clamping assembly to move the piece to be welded to a target welding position; a rotating cylinder connected with the rotating component for providing rotating power for the rotating component.

9. The pneumatic welding device of claim 8, wherein, The rotating component comprises: a connecting base connected with the rotating cylinder; a rotating top plate connected with one end of the connecting base and the other end connected with the cylinder overturning and clamping assembly.

10. The pneumatic welding device of claim 1, wherein, The device support base plate comprises a plurality of base plate vias for connecting a robot positioner to enable the robot positioner to move the piece to be welded to the welding area of a welding robot.

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