An automatic welding line for gas meter connectors

Abstract

This utility model discloses an automatic welding line for gas meter connectors, including a workbench; a welding turntable, which rotates horizontally above the workbench, with an upper shell support circumferentially located at the upper end of the welding turntable; a feeding mechanism, located on one side of the workbench, for transporting the lower pad, upper shell, and connector one by one to the upper shell support; a welding mechanism, located on the workbench, equipped with welding fixtures, which, when the welding turntable rotates, drives the lower pad, upper shell, and connector through the welding fixtures to complete the welding process; a thermal imaging detection mechanism, located on the workbench, for monitoring the welding temperature during operation; and an unloading mechanism, located on one side of the workbench, for grabbing the welded upper shell workpiece from the upper shell support and conveying the upper shell workpiece to the next station. The entire mechanism works together to automate the welding process, and welding and detection are performed simultaneously, which helps to save steps and improve production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of gas meter processing, and in particular to an automatic welding line for gas meter connectors. Background Technology

[0002] A gas meter is a specialized instrument used to measure gas consumption. It is an important metering device in a gas supply system and is widely used by residential, commercial, and industrial users. The gas meter connector is a crucial component connecting the gas meter to the gas pipeline; its structural strength and manufacturing quality directly affect the operational stability and safety of the gas system.

[0003] For related technologies, please refer to Chinese Patent No. CN112781674B, which discloses a welding structure for the meter connector of an IoT smart gas meter housing. The structure includes a connector body and a gasket for welding to the connector body. A first convex ring is provided at one end of the connector body where it is welded to the gasket, and a second convex ring is provided on one side surface of the gasket. The first and second convex rings match each other to solve the problem of high scrap rate when welding the meter connector and gasket of the gas meter housing in the prior art, thereby improving the welding sealing and stability and reducing the scrap rate.

[0004] Regarding the aforementioned technologies, after the joint welding is completed, the welding quality still needs to be inspected, using non-destructive testing methods such as differential pressure sealing, helium sealing, and water sealing. However, these inspections are conducted after multiple processes, including painting, installing the mechanism, and sealing the upper and lower shells. If the pipe joint fails the inspection, it will be scrapped, resulting in wasted time and effort and impacting production efficiency. Utility Model Content

[0005] In order to improve the yield rate and production efficiency of joint welding, this application provides an automatic welding line for gas meter joints.

[0006] This application provides an automatic welding line for gas meter connectors, employing the following technical solution: An automatic welding line for gas meter connectors includes a workbench and further includes: The welding turntable is horizontally set at the upper end of the worktable and rotates around its own axis. The upper end of the welding turntable is provided with several upper shell supports along the circumference for clamping and fixing the welding parts. The feeding mechanism is located on one side of the workbench and is used to transport the lower pad, upper shell and connector one by one to the preset clamping position of the upper shell support. The welding mechanism is set on the workbench, and welding fixtures are provided on the side facing the welding turntable. When the welding turntable rotates, it drives the lower pad, upper shell and joint to pass through the welding process and complete the welding process. The thermal imaging inspection mechanism is set on the workbench and is positioned opposite the welding mechanism with the welding turntable at the center. It monitors the welding temperature during the welding process. The unloading mechanism, located on one side of the workbench, is used to grab the finished upper shell workpiece that has been welded on the upper shell support and transport the upper shell workpiece to the next work station.

[0007] By adopting the above technical solution, the workbench supports the welding turntable. When the feeding mechanism installs the lower pad, upper shell, and joint onto the upper shell support one by one, the welding turntable moves the three components to the welding mechanism for welding using welding fixtures. During the welding process, the welding temperature is monitored by a thermal imaging detection mechanism. For parts of the same batch and material, the heat generated during welding is within a preset range under normal welding conditions, which facilitates monitoring of welding quality. After welding is completed, the welding turntable continues to rotate and transports the finished upper shell workpiece to the unloading mechanism. The unloading mechanism then transports the joint to the next workstation. The welding process is automated, which helps to improve the automation level of the processing process. Furthermore, the welding and inspection processes are carried out simultaneously, which helps to save steps and improve production efficiency.

[0008] Optionally, the feeding mechanism includes: a lower pad feeding mechanism, disposed on one side of the worktable, which, when the welding turntable is working, drives the upper shell support past the tail end of the lower pad feeding mechanism. The lower pad feeding mechanism is used to directionally convey the lower pad to the welding turntable and stably place the lower pad at a preset position on the upper shell support; an upper shell feeding mechanism, disposed on one side of the worktable, which, when the welding turntable is working, drives the lower pad past the tail end of the upper shell feeding mechanism. The upper shell feeding mechanism is used to convey the upper shell to the upper shell support and place the upper shell at a preset position on the upper shell support, so that the upper shell is above the lower pad; and a joint feeding mechanism, disposed on one side of the worktable, which, when the welding turntable is working, drives the upper shell past the tail end of the joint feeding mechanism. The joint feeding mechanism is used to convey the joint to the welding turntable and place the joint at the corresponding welding position on the upper end of the upper shell.

[0009] By adopting the above technical solution, the lower pad feeding mechanism, the upper shell feeding mechanism, and the joint feeding mechanism transport and place the corresponding parts one by one, and the feeding process is carried out automatically, which helps to improve the degree of production automation and enhance work convenience.

[0010] Optionally, the lower pad feeding mechanism includes a lower pad vibrating feeding plate and a feeding gripper. The lower pad vibrating feeding plate is installed on one side of the workbench and has a feeding track extending toward the welding turntable. When the lower pad vibrating feeding plate is working, it pushes the lower pad to move along the feeding track in a certain direction. The feeding gripper is located between the feeding track and the welding turntable and is used to transport and place the lower pad at the end of the feeding track.

[0011] By adopting the above technical solution, the lower pad vibrating feeding tray stores the lower pads in batches, and pushes the lower pads to move automatically along the feeding track during operation. The feeding gripper moves back and forth between the feeding track and the welding turntable, and transports and installs the lower pads one by one onto the upper shell support.

[0012] Optionally, the upper shell feeding mechanism includes a feeding input line and a second feeding gripper. The feeding input line is horizontally arranged on one side of the workbench, and the second feeding gripper is arranged between the feeding input line and the welding turntable, for gripping and transporting the upper shell shell to the upper shell support.

[0013] By adopting the above technical solution, the feeding input line delivers the upper shell to the welding turntable in batches, and the feeding gripper 2 moves and places the upper shell at the end of the feeding input line to the upper shell support.

[0014] Optionally, the joint feeding mechanism includes a joint vibrating feeding plate and a feeding gripper three. The joint vibrating feeding plate is located on one side of the workbench and has a feeding track two extending toward the welding turntable. The feeding gripper is located between the feeding track two and the welding turntable and is used to grip and transport the joint.

[0015] By adopting the above technical solution, the joint vibration feeding tray stores joints in batches and pushes the joints to move automatically along the feeding track 2 during operation. The feeding gripper 3 moves back and forth between the feeding track 2 and the welding turntable, and transports and installs the joints one by one onto the upper shell support.

[0016] Optionally, the welding fixture includes an upper electrode, a lower electrode, and a pneumatic fixing system. The upper electrode and the lower electrode are vertically opposed and both move vertically. The upper electrode is located directly above the lower electrode. The pneumatic fixing system is located inside the welding mechanism and is used to drive the upper electrode and the lower electrode to move by pneumatic pressure. When the welding turntable rotates, it drives the lower pad, the upper shell, and the joint to pass between the upper electrode and the lower electrode. The lower end of the upper shell support is provided with a clearance opening to avoid the lower electrode.

[0017] By adopting the above technical solution, under the support of the welding mechanism, the upper electrode and the lower motor are initially far apart. When the welding turntable moves the lower pad, the joint, and the upper shell between the upper and lower electrodes, the lower electrode is aligned with the lower pad, and the upper electrode is aligned with the joint. The pneumatic fixing system drives the upper and lower electrodes to move closer to each other, thereby pushing the lower pad and the joint tightly onto the upper shell, thus forming a complete current loop. The lower pad, the upper shell, and the joint are welded together by electric heating.

[0018] Optionally, the unloading mechanism includes an upper shell output line and an output gripper. The upper shell output line is horizontally arranged on one side of the workbench, and the output gripper is located between the upper shell output line and the welding turntable, used to grab the finished upper shell workpiece on the upper shell support and place it on the upper shell output line.

[0019] By adopting the above technical solution, after the welding turntable moves the upper shell workpiece to the upper shell output line, the welded joint and finished upper shell workpiece on the upper shell support are transported to the upper shell output line by the line-out gripper, so as to transport the upper shell workpiece to the next station through the upper shell output line.

[0020] Optionally, a cleaning mechanism is set on the welding turntable and distributed around the circumference of the welding turntable along with the upper shell support. When the welding turntable moves the cleaning mechanism to the welding mechanism, the cleaning mechanism cleans the welding fixtures of the welding mechanism.

[0021] By adopting the above technical solution, the welding turntable drives the cleaning mechanism to move to the welding mechanism, so that the cleaning mechanism can clean the welding electrode of the welding mechanism, reducing the probability that the welding slag generated during the welding process will affect the welding quality.

[0022] In summary, this application includes at least one of the following beneficial technical effects: 1. The welding turntable drives the welding support to move cyclically at different workstations, so that the loading, welding, inspection, unloading and cleaning processes are carried out automatically, which helps to improve the automation level of the processing. 2. Welding and inspection processes are carried out simultaneously, which helps to save steps and improve production efficiency. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of an automatic welding line for gas meter connectors.

[0024] Figure 2 This is a schematic diagram designed to highlight the welded structure of the lower pad, joint, and upper shell.

[0025] Explanation of reference numerals in the attached drawings: 1. Workbench; 11. Welding turntable; 12. Upper shell support; 21. Lower pad feeding mechanism; 211. Lower pad vibrating feeding plate; 212. Feeding gripper one; 22. Upper shell feeding mechanism; 221. Feeding input line; 222. Feeding gripper two; 23. Joint feeding mechanism; 231. Joint vibrating feeding plate; 232. Feeding gripper three; 3. Welding mechanism; 311. Upper electrode; 312. Lower electrode; 4. Thermal imaging detection mechanism; 5. Unloading mechanism; 51. Upper shell output line; 52. Outgoing line gripper; 6. Cleaning mechanism; 110. Joint; 120. Upper shell housing; 130. Lower pad. Detailed Implementation

[0026] The present application will be further described in detail below with reference to all the accompanying drawings.

[0027] This application discloses an automatic welding line for gas meter connectors. Example

[0028] Reference Figure 1 and Figure 2 An automatic welding line for gas meter connectors includes a workbench 1, on which a welding turntable 11 is mounted. The welding turntable 11 is rotatably connected to the workbench 1 around its own axis. A power component, such as a motor, is installed inside the workbench 1 to drive the welding turntable 11 to rotate. Multiple upper shell supports 12 are arranged circumferentially on the upper end of the welding turntable 11. Each upper shell support 12 has a placement groove adapted to a lower pad 130 at its upper end, and a support portion for supporting the upper shell is fixed circumferentially along the placement groove. This embodiment uses six sets of upper shell supports 12 as an example for explanation.

[0029] The automatic welding line also includes a feeding mechanism, a welding mechanism 3, a thermal imaging detection mechanism 4, a discharging mechanism 5, and a cleaning mechanism 6. The feeding mechanism includes a lower pad feeding mechanism 21, an upper shell feeding mechanism 22, and a joint feeding mechanism 23, which are arranged sequentially around the welding turntable 11. The lower pad feeding mechanism 21 includes a lower pad vibrating feeding plate 211 and a feeding gripper 212. The upper end of the lower pad vibrating feeding plate 211 is provided with a feeding track 1, the end of which faces the welding turntable 11. The lower pad vibrating feeding plate 211 stores lower pads 130 in batches and vibrates during operation to push the lower pads 130 one by one along the feeding track in a certain direction.

[0030] The loading gripper 212 is a robotic arm with gripping and placing functions. The worktable 1 is equipped with a support rail 1 for supporting the loading gripper 212 as it moves between the welding turntable 11 and the loading track 1. Initially, the welding turntable 11 is stationary. At this time, any upper shell support 12 approaches the lower pad vibrating loading plate 211. The loading gripper grips the lower pad 130 at the end of the loading track 1 and transports the lower pad 130 along the support rail 1 to the upper shell support 12. Finally, the loading gripper 212 places the lower pad 130 into the placement slot above the upper shell support 12, so that the upper shell support 12 supports and positions the lower pad 130. After placement, the welding turntable 11 continues to rotate and transports the lower pad 130 to the next workstation via the upper shell support 12.

[0031] The upper shell feeding mechanism 22 includes a feeding input line 221 and a feeding gripper 222. The feeding input line 221 is horizontally arranged on one side of the workbench 1 and feeds the upper shell 120 one batch at a time to the welding turntable 11. The feeding gripper 222 is arranged between the feeding input line 221 and the welding turntable 11 and is used to grab and transport the upper shell 120. The workbench 1 is provided with a support rail 2 for supporting the feeding gripper 222 to move back and forth between the feeding input line 221 and the welding turntable 11. After the second feeding gripper 222 grabs the upper shell 120 on the feeding input line 221, it moves the upper shell 120 along the support rail to above the welding turntable 11. The welding turntable 11 drives the upper shell support 12, on which the lower pad 130 is placed, to move below the second feeding gripper 222. The second feeding gripper 222 then places the upper shell 120 on the upper shell support 12 and supports and positions the upper shell 120 through the support part, so that the upper shell support 12 is above the lower pad 130 and directly opposite the lower pad 130.

[0032] The joint feeding mechanism 23 includes a joint vibrating feeding plate 231 and a feeding gripper 232. The joint vibrating feeding plate 231 has the same structure as the lower pad vibrating feeding plate 211, and also stores joints 110 in batches. The joint vibrating feeding plate 231 is equipped with a feeding track 2, which pushes the joints 110 to move directionally along the feeding track 2 during operation. The feeding gripper 232 is located between the feeding track 2 and the welding turntable 11. The worktable 1 is equipped with a support track 3 for supporting the feeding gripper 232 to reciprocate between the end of the feeding track 2 and above the welding turntable 11.

[0033] After the feeding gripper 232 grabs the connector 110 at the end of the feeding track 2, it will move the connector 110 along the support track 3 to the welding turntable 11. The welding turntable 11 will move the upper shell 120 and the lower pad 130 together to the position close to the connector vibrating feeding plate 231 through the upper shell support 12. Then the feeding gripper 232 will place the connector 110 at the welding position above the upper shell 120. At this time, the connector 110 and the lower pad 130 are directly opposite each other.

[0034] The welding mechanism 3 includes a frame and welding fixtures. The welding fixtures include an upper electrode 311, a lower electrode 312, and a pneumatic fixing system. The upper electrode 311 and the lower electrode 312 are vertically opposite each other, with the upper electrode 311 located above the lower electrode 312. Both the upper electrode 311 and the lower electrode 312 are slidably connected to the frame vertically. The frame is equipped with a power supply system that supplies power to the upper electrode 311 and the lower electrode 312. The parameters of the power supply system, such as current, voltage, pressure, and time, are monitored in real time to form dynamic parameters for easy adjustment.

[0035] The pneumatic fixing mechanism is also disposed on the inner side of the frame body, configured to drive the upper electrode 311 and the lower electrode 312 to move toward or away from each other, and fix the upper electrode 311 and the lower electrode 312. It may adopt a cylinder mechanism, which belongs to the prior art, and will not be described in detail herein. The lower end of the upper shell support 12 is provided with an avoiding groove communicating with the mounting groove. In the initial state, the upper electrode 311 and the lower electrode 312 are away from each other, the welding turntable 11 drives the upper shell support 12 to move to the welding station. During the moving process, the lower electrode 312 passes through the avoiding groove and is located directly below the lower pad 130, at this time, the joint 110, the upper shell body 120 and the lower pad 130 are all located between the upper electrode 311 and the lower electrode 312.

[0036] The pneumatic fixing mechanism drives the upper electrode 311 and the lower electrode 312 to move toward each other. After the upper electrode 311 contacts the joint 110, it presses the joint 110 against the upper end of the upper shell body 120. After the lower electrode 312 contacts the lower pad 130, it presses the lower pad 130 against the lower end of the upper shell body 120. The power supply system supplies power to the upper electrode 311 and the lower electrode 312, so that the upper electrode 311, the joint 110, the upper shell body 120, the lower pad 130 and the lower electrode 312 form a complete current loop, which raises the temperature of the contact portion between the joint 110 and the upper shell body 120. After reaching the melting point, the portion melts according to the shape of the upper shell body 120, thereby achieving the welding purpose.

[0037] The thermal imaging detection mechanism 4 is mounted on the workbench 1, located on the side of the welding turntable 11 away from the welding mechanism 3, and configured to photograph and identify the temperature change at the melted portion of the joint 110 during the welding process of the upper electrode 311 and the lower electrode 312, record the temperature value, and judge the magnitude of the temperature value through the control center. Specifically, the melting points of the same batch of materials are consistent, so a reliable temperature threshold can be formed. If the maximum temperature of a single welding is above the threshold, it is deemed qualified and the next step is carried out; if it is unqualified, the process is suspended. The welding process and the detection process are carried out synchronously, which is beneficial to saving detection procedures and improving production efficiency.

[0038] The unloading mechanism 5 includes an upper shell output line 51 and an output gripper 52. The upper shell output line 51 is horizontally arranged on one side of the workbench 1, and the other end of the upper shell output line 51 extends away from the workbench 1. The output gripper 52 is located between the upper shell output line 51 and the welding turntable 11, and is used to grip and move the finished upper shell workpiece after welding. The workbench 1 is equipped with a support rail four for supporting the output gripper 52 to move between the welding turntable 11 and the lower cover output line. After the joint 110 and the upper shell 120 are welded, the welding turntable 11 continues to rotate and moves the finished upper shell workpiece to a position close to the upper shell output line 51. The output gripper 52 grips the upper shell workpiece and removes it from the upper shell support 12. The workpiece is then moved along the support rail four and transported to the upper shell output line 51, completing the automatic unloading of the finished upper shell workpiece. During the welding process of the lower pad 130, the joint 110 and the upper shell 120, the feeding, welding, inspection and unloading processes are all carried out automatically, which helps to achieve the automation level of the welding process of the joint 110 and improves the convenience of production.

[0039] The cleaning mechanism 6 is mounted on the welding turntable 11 and arranged circumferentially with the other upper shell supports 12. The cleaning mechanism 6 specifically includes a cleaning table and a metal brush. The cleaning table is connected to the welding turntable 11 and rotates synchronously with it. The cleaning table has vertically opened through holes adapted to the upper electrode 311 and lower electrode 312, and the metal brush is located within these through holes. After completing a preset number of welding operations, the upper electrode 311 and lower electrode 312 are cleaned. For example, after 5 welding operations, the welding turntable 11 moves the cleaning table between the upper electrode 311 and lower electrode 312, driving them closer together and inserting them into the through holes. The metal brush in the through holes then cleans the welding slag on the upper electrode 311 and lower electrode 312, facilitating the next round of welding. The cleaning and welding sequence can be adjusted according to actual conditions and is not limited here. It should be noted that a circuit control mechanism for controlling the power mechanisms of each workstation to work in a preset sequence is installed inside the workbench 1. This is existing technology and will not be described in detail here.

[0040] The implementation principle of an automatic welding line for gas meter connectors according to an embodiment of this application is as follows: Before welding, as the welding turntable 11 drives the upper shell support 12 to rotate cyclically between different workstations, the lower pad 130, upper shell 120, and connector 110 are placed onto the upper shell support 12 one by one through the lower pad feeding mechanism 21, the upper shell feeding mechanism 22, and the connector feeding mechanism 23. At the welding station, the upper electrode 311 and the lower electrode 312 cooperate to form a complete circuit between the lower pad 130, connector 110, and upper shell 120. The temperature of the contact part rises and reaches the melting point, melting according to the shape of the upper shell 120, thereby realizing the welding process. During the welding process, the temperature of the connector 110 during the welding process is monitored by the thermal imaging detection mechanism 4, and the welding quality is directly judged during the welding process, thereby saving subsequent inspection processes and improving production efficiency. The feeding, welding, inspection, and unloading processes of the connector 110 are all automatically performed, and the entire process is automated, improving production convenience.

[0041] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An automatic welding line for gas meter connectors, comprising a workbench (1), characterized in that, Also includes: The welding turntable (11) is horizontally set at the upper end of the workbench (1) and rotates around its own axis. The upper end of the welding turntable (11) is provided with several upper shell supports (12) for clamping and fixing the welding parts along the circumferential direction. The feeding mechanism is set on one side of the workbench (1) and is used to transport the lower pad (130), the upper shell (120) and the connector (110) one by one to the preset clamping position of the upper shell support (12). The welding mechanism (3) is set on the workbench (1). The side facing the welding turntable (11) is equipped with welding fixtures. When the welding turntable (11) rotates, it drives the lower pad (130), the upper shell (120) and the joint (110) to pass through the welding fixtures and complete the welding process. The thermal imaging detection mechanism (4) is set on the workbench (1) and is set opposite to the welding mechanism (3) with the welding turntable (11) as the center. It monitors the welding temperature during the welding process when working. The unloading mechanism (5) is located on one side of the workbench (1) and is used to grab the upper shell workpiece that has been welded on the upper shell support (12) and transport the upper shell workpiece to the next station.

2. The automatic welding line for gas meter connectors according to claim 1, characterized in that, The feeding mechanism includes: The lower pad feeding mechanism (21) is set on one side of the workbench (1). When the welding turntable (11) is working, it drives the upper shell support (12) to pass through the tail end of the lower pad feeding mechanism (21). The lower pad feeding mechanism (21) is used to directionally transport the lower pad (130) to the welding turntable (11) and stably place the lower pad (130) to the preset position of the upper shell support (12). The upper shell feeding mechanism (22) is set on one side of the workbench (1). When the welding turntable (11) is working, it drives the lower pad (130) to pass through the tail end of the upper shell feeding mechanism (22). The upper shell feeding mechanism (22) is used to transport the upper shell to the upper shell support (12) and place the upper shell on the upper shell support (12) at a preset position, so that the upper shell (120) is above the lower pad (130). The joint feeding mechanism (23) is set on one side of the workbench (1). When the welding turntable (11) is working, it drives the upper shell (120) to pass through the tail end of the joint feeding mechanism (23). The joint feeding mechanism (23) is used to transport the joint (110) to the welding turntable (11) and place the joint (110) at the corresponding welding position on the upper end of the upper shell (120).

3. The automatic welding line for gas meter connectors according to claim 2, characterized in that: The lower pad feeding mechanism (21) includes a lower pad vibrating feeding plate (211) and a feeding gripper (212). The lower pad vibrating feeding plate (211) is installed on one side of the workbench (1) and has a feeding track extending toward the welding turntable (11). When the lower pad vibrating feeding plate (211) is working, it pushes the lower pad (130) to move in a certain direction along the feeding track. The feeding gripper (212) is set between the feeding track and the welding turntable (11) and is used to transport and place the lower pad (130) at the end of the feeding track.

4. The automatic welding line for gas meter connectors according to claim 2, characterized in that: The upper shell feeding mechanism (22) includes a feeding input line (221) and a feeding gripper (222). The feeding input line (221) is horizontally set on one side of the workbench (1), and the feeding gripper (222) is set between the feeding input line (221) and the welding turntable (11) for gripping and transporting the upper shell (120) to the upper shell support (12).

5. The automatic welding line for gas meter connectors according to claim 2, characterized in that: The joint feeding mechanism (23) includes a joint vibrating feeding plate (231) and a feeding gripper (232). The joint vibrating feeding plate (231) is located on one side of the workbench (1) and has a feeding track (2) extending toward the welding turntable (11). The feeding gripper is located between the feeding track (2) and the welding turntable (11) and is used to grab and transport the joint (110).

6. The automatic welding line for gas meter connectors according to claim 1, characterized in that: The welding fixture includes an upper electrode (311), a lower electrode (312), and a pneumatic fixing system. The upper electrode (311) and the lower electrode (312) are vertically opposed and both move vertically. The upper electrode (311) is located directly above the lower electrode (312). The pneumatic fixing system is located inside the welding mechanism (3) and is used to drive the upper electrode (311) and the lower electrode (312) to move by pneumatic pressure. When the welding turntable (11) rotates, it drives the lower pad (130), the upper shell (120), and the connector (110) to pass between the upper electrode (311) and the lower electrode (312). The lower end of the upper shell support (12) is provided with a clearance opening for avoiding the lower electrode (312).

7. The automatic welding line for gas meter connectors according to claim 1, characterized in that: The feeding mechanism (5) includes an upper shell output line (51) and a line-out gripper (52). The upper shell output line (51) is horizontally arranged on one side of the workbench (1). The line-out gripper (52) is located between the upper shell output line (51) and the welding turntable (11) and is used to grab the upper shell workpiece on the upper shell support (12) and place it on the upper shell output line (51).

8. The automatic welding line for gas meter connectors according to claim 1, characterized in that, Also includes: The cleaning mechanism (6) is set on the welding turntable (11) and distributed around the welding turntable (11) along with the upper shell support (12). When the welding turntable (11) moves the cleaning mechanism (6) to the welding mechanism (3), the cleaning mechanism (6) cleans the welding fixture of the welding mechanism (3).

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