Tail gas recovery system of lagging jack welding mechanism

Abstract

The utility model relates to the technical field of tail gas recovery systems, in particular to an arch frame welding mechanism tail gas recovery system which comprises a connecting pipe, the connecting pipe is installed on one side of a welding part, the welding end, close to the welding part, of the connecting pipe is connected with an air suction pipe, the air suction end of the air suction pipe is aligned to the welding position, and the end, away from the air suction pipe, of the connecting pipe is connected with an air suction driving part. The output end of the air suction driving piece is connected with an air outlet pipe, and the air quality of a production workshop can be optimized.

Description

Technical Field

[0001] The present application relates to the technical field of tail gas recovery systems, and in particular to a tail gas recovery system for an arch welding mechanism. Background Art

[0002] In tunnel engineering, grid arch frames are often used for initial support to provide temporary or permanent support structures for tunnels. Grid arch frames include an outer frame and butterfly ribs, which are welded inside the outer frame.

[0003] During the production process of butterfly ribs, rectangular frame ribs are first made, the rectangular frame ribs are welded and fixed at the ends, and then the rectangular frame ribs are bent into "8"-shaped ribs, and the two "8"-shaped ribs are welded together to obtain butterfly ribs. Correspondingly, the outer frame includes multiple support rods and multiple support plates, and the adjacent support rods are fixed by welding, and the support rods and support plates are welded and fixed.

[0004] Therefore, in the production of grid arch frames, there will be many steps that require welding. At present, welding is usually performed using a robotic arm. During welding, more exhaust gas will be generated, and there are more harmful gases in the exhaust gas, which leads to poor air quality in the production workshop. Summary of the invention

[0005] In order to optimize the air quality in a production workshop, the present application provides an exhaust gas recovery system for an arch welding mechanism.

[0006] The present application provides an arch welding mechanism exhaust gas recovery system, which adopts the following technical solution:

[0007] An exhaust gas recovery system for an arch welding mechanism includes a connecting pipe, wherein the connecting pipe is installed on one side of a welding part, the connecting pipe is connected to an air intake pipe near the welding end of the welding part, the air intake end of the air intake pipe is aligned with the welding part, the connecting pipe is connected to an air intake drive component at one end away from the air intake pipe, and the output end of the air intake drive component is connected to an air outlet pipe.

[0008] By adopting the above technical scheme, when the welding workpiece is being welded, the air suction drive component is started, and the air suction drive component sucks the air in the connecting pipe and the air suction pipe, thereby causing a pressure difference between the connecting pipe and the inside and outside of the air suction pipe, thereby generating an attraction force on the air suction end of the air suction pipe. The attraction force sucks the exhaust gas generated during welding into the air suction pipe, and enters the connecting pipe along the inside of the air suction pipe, and then enters the air suction drive component from the connecting pipe, and finally enters the air outlet pipe from the output end of the air suction drive component, and is discharged from the air outlet end of the air outlet pipe. The exhausted exhaust gas is then uniformly treated, thereby reducing the situation where the exhaust gas during welding is left in the production workshop, thereby optimizing the air quality in the production workshop.

[0009] Preferably, the air intake pipe is a folded shaping pipe.

[0010] By adopting the above technical solution, the intake pipe is a folded and shaped pipe, so that the distance between the intake end of the intake pipe and the welding point of the welded part can be adjusted, thereby adjusting the angle and distance of the intake pipe to better inhale the exhaust gas, while reducing the impact on the welding of the welded part.

[0011] Preferably, an air inlet pipe is installed at the air intake end of the air intake pipe, and the air inlet pipe is a trumpet-shaped pipe, and the diameter of the air inlet pipe close to one end of the air intake pipe is smaller than the diameter of the air inlet pipe away from one end of the air intake pipe.

[0012] By adopting the above technical solution, the air inlet pipe is a trumpet-shaped pipe, and the diameter of the air inlet pipe near the end of the air inlet pipe is smaller than the diameter of the air inlet pipe away from the end of the air inlet pipe, thereby expanding the opening area of ​​the air inlet end of the air inlet pipe, and then the exhaust gas can be more comprehensively sucked into the air inlet pipe.

[0013] Preferably, a handle is fixed to the outer wall of the air inlet duct.

[0014] By adopting the above technical solution, the operator holds the handle tightly, and when the suction pipe needs to be extended, an outward extending force is applied to the handle. Correspondingly, when the suction pipe needs to be contracted, an inward contracting force is applied to the handle. Under the action of the handle, the operator can easily adjust the distance between the suction end of the suction pipe and the welding point of the weldment.

[0015] Preferably, a filter screen is installed on the inner wall of the connecting pipe near one end of the air intake pipe.

[0016] By adopting the above technical solution, during the welding process, the molten metal may evaporate into steam and then condense into fine particles in the air. Under the action of the filter, the filter will filter the large particles in the exhaust gas, thereby reducing the particles from entering the suction drive and being damaged.

[0017] Preferably, a flow groove is provided through the bottom of the connecting pipe, the flow groove is located on the side of the filter screen close to the air intake pipe, and a collecting box is installed at the bottom of the connecting pipe, and the collecting box cavity is connected with the flow groove.

[0018] By adopting the above technical solution, after the filter screen filters the large particles, the large particles move downward along the side wall of the filter screen and the inner wall of the connecting pipe, and then fall into the collection box. Under the action of the collection box, the large particles can be collected uniformly and processed after being collected uniformly, while reducing the accumulation of large particles in the connecting pipe.

[0019] Preferably, the collection box has a storage cavity inside, and the storage cavity is a cavity that passes through from top to bottom. The bottom of the collection box is threadedly connected to a bottom cover.

[0020] By adopting the above technical solution, the bottom cover is threadedly connected to the bottom of the collection box, so that the bottom cover and the collection box are detachably connected. After the bottom cover is separated from the collection box, the large particles in the collection box can be discharged. At the same time, it is also convenient for the operator to open the bottom cover to clean the filter. The threaded connection makes it convenient for the operator to open the bottom cover. The bottom cover can be separated and installed by rotating the bottom cover, thereby improving the convenience of disassembly and assembly of the bottom cover and the collection box.

[0021] Preferably, a clamping column is fixed on one side of the welding part close to the connecting pipe, a clamping groove is provided on one end of the clamping column away from the welding part, an opening is provided at one end of the clamping column, the opening is connected to the clamping groove, and the connecting pipe is clamped into the clamping groove.

[0022] By adopting the above technical solution, the outer wall of the connecting pipe enters the clamping groove from the opening, thereby completing the clamping of the connecting pipe. Under the action of the clamping column, the connection stability between the connecting pipe and the welded part is improved, and the convenience of disassembly and assembly between the connecting pipe and the welded part can be improved.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. When welding the welded parts, start the air suction drive, which will suck the air in the connecting pipe and the air suction pipe, so that a pressure difference will be generated between the connecting pipe and the inside and outside of the air suction pipe, thereby generating attraction for the air suction end of the air suction pipe. The attraction will suck the exhaust gas generated during welding into the air suction pipe, and enter the connecting pipe along the inside of the air suction pipe, and then enter the air suction drive from the connecting pipe, and finally enter the air outlet pipe from the output end of the air suction drive, and be discharged from the air outlet end of the air outlet pipe. The exhausted exhaust will be uniformly treated, thereby reducing the situation where the exhaust gas during welding is left in the production workshop, thereby optimizing the air quality of the production workshop.

[0025] 2. During the welding process, the molten metal may evaporate into steam and then condense into fine particles in the air. Under the action of the filter, the filter will filter out large particles in the exhaust gas, thereby reducing the particles from entering the suction drive and being damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0027] Figure 2 It is a partial cross-sectional view of an embodiment of the present application.

[0028] Explanation of the reference numerals: 1. Manipulator; 2. Snap-on column; 21. Snap-on groove; 3. Connecting pipe; 31. Circulation groove; 4. Intake pipe; 5. Exhaust pipe; 6. Blower; 7. Air inlet pipe; 71. Handle; 8. Filter; 9. Collection box; 91. Bottom cover. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-2 This application is described in further detail.

[0030] The embodiment of the present application discloses an exhaust gas recovery system for an arch welding mechanism.

[0031] Reference Figure 1 , an exhaust gas recovery system of an arch welding mechanism, includes a welding part. In the embodiment of the present application, the welding part is a manipulator 1, a clamping column 2 is fixed on one side of the manipulator 1, a clamping groove 21 is provided at the end of the clamping column 2 away from the manipulator 1, an opening is provided at one end of the clamping column 2, the opening is connected with the clamping groove 21, the clamping column 2 is elastic, a connecting pipe 3 is provided on one side of the manipulator 1, the outer wall of the connecting pipe 3 enters the clamping groove 21 from the opening, thereby completing the clamping of the connecting pipe 3, under the action of the clamping column 2, the connection stability between the connecting pipe 3 and the manipulator 1 is improved, and the convenience of disassembly and assembly between the connecting pipe 3 and the manipulator 1 can be improved.

[0032] An air intake pipe 4 is fixed to the connecting pipe 3 near the welding end of the manipulator 1, and the air intake end of the air intake pipe 4 is aligned with the welding position. An air intake driving member is connected to the end of the connecting pipe 3 away from the air intake pipe 4. In the embodiment of the present application, the air intake driving member is a blower 6, and an air outlet pipe 5 is connected to the output end of the blower 6. When the manipulator 1 is welding, the blower 6 is started, and the blower 6 sucks the air in the connecting pipe 3 and the air intake pipe 4, thereby causing a pressure difference between the connecting pipe 3 and the inside and outside of the air intake pipe 4, thereby generating an attraction force on the air intake end of the air intake pipe 4. The attraction force sucks the exhaust gas generated during welding into the air intake pipe, and enters the connecting pipe 3 along the inside of the air intake pipe, and then enters the blower 6 from the connecting pipe 3, and finally enters the air outlet pipe 5 from the output end of the blower 6, and is discharged from the air outlet end of the air outlet pipe 5. The exhausted exhaust is then uniformly treated, thereby reducing the situation where the exhaust gas during welding remains in the production workshop, thereby optimizing the air quality in the production workshop.

[0033] Reference Figure 1 In the embodiment of the present application, the intake pipe 4 is a folded shaping pipe, so that the distance between the intake end of the intake pipe 4 and the welding point of the manipulator 1 can be adjusted, thereby adjusting the angle and distance of the intake pipe 4 to better inhale the exhaust gas, while reducing the impact on the welding of the manipulator 1.

[0034] An air inlet pipe 7 is fixed to the air inlet end of the air inlet pipe 4. The air inlet pipe 7 is a trumpet-shaped pipe. The diameter of the air inlet pipe 7 near the end of the air inlet pipe 4 is smaller than the diameter of the air inlet pipe 7 away from the end of the air inlet pipe 4, thereby expanding the opening area of ​​the air inlet end of the air inlet pipe 7, and furthermore, the exhaust gas can be more comprehensively sucked into the air inlet pipe 7.

[0035] A handle 71 is fixed to the outer wall of the air inlet pipe 7. The operator holds the handle 71 tightly. When the air intake pipe 4 needs to be extended, an outward extending force is applied to the handle 71. Correspondingly, when the air intake pipe 4 needs to be contracted, an inward contracting force is applied to the handle 71. Under the action of the handle 71, the operator can conveniently adjust the distance between the air intake end of the air intake pipe 4 and the welding point of the manipulator 1.

[0036] Reference Figure 2 A filter screen 8 is fixed to the inner wall of the connecting pipe 3 near one end of the air intake pipe 4. During the welding process, the molten metal may evaporate into steam and then condense into fine particles in the air. Under the action of the filter screen 8, the filter screen 8 filters the large particles in the exhaust gas, thereby reducing the particles from entering the blower 6 and being damaged.

[0037] A flow groove 31 is provided through the bottom of the connecting pipe 3, and the flow groove 31 is located on the side of the filter screen 8 close to the air intake pipe. A collecting box 9 is fixed to the bottom of the connecting pipe 3. The collecting box 9 has a storage cavity inside. The storage cavity is a cavity that passes through from top to bottom. The storage cavity is connected to the flow groove 31, and a bottom cover 91 is threadedly connected to the bottom of the collecting box 9.

[0038] After the filter 8 filters the large particles, the large particles move downward along the side walls of the filter 8 and the inner wall of the connecting pipe 3, and then fall into the collecting box 9. Under the action of the collecting box 9, the large particles can be collected uniformly and processed after being collected uniformly, while reducing the accumulation of large particles in the connecting pipe 3. The bottom cover 91 and the bottom of the collecting box 9 are threadedly connected, so that the bottom cover 91 and the collecting box 9 are detachably connected. After the bottom cover 91 is separated from the collecting box 9, the large particles in the collecting box 9 can be discharged. At the same time, it is also convenient for the operator to clean the filter 8 after opening the bottom cover 91, and the threaded connection makes it convenient for the operator to open the bottom cover 91. The bottom cover 91 can be rotated to separate and install the bottom cover 91 and the collecting box 9, thereby improving the convenience of disassembly and assembly of the bottom cover 91 and the collecting box 9.

[0039] The above are all preferred embodiments of the present application. The embodiments are only explanations of the present application and are not intended to limit the protection scope of the present application. Therefore, all equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An exhaust gas recovery system for an arch welding mechanism, characterized in that: The invention comprises a connecting pipe (3), wherein the connecting pipe (3) is installed on one side of the welding part, the connecting pipe (3) is connected to an air suction pipe (4) at a welding end close to the welding part, the air suction end of the air suction pipe (4) is aligned with the welding part, the end of the connecting pipe (3) away from the air suction pipe (4) is connected to an air suction driving member, and the output end of the air suction driving member is connected to an air outlet pipe (5); A filter screen (8) is installed on the inner wall of the connecting pipe (3) near one end of the air intake pipe (4); A circulation groove (31) is provided through the bottom of the connecting pipe (3), and the circulation groove (31) is located on the side of the filter screen (8) close to the air intake pipe (4). A collection box (9) is installed at the bottom of the connecting pipe (3), and the collection box (9) cavity is connected to the circulation groove (31).

2. The tail gas recovery system of the arch welding mechanism according to claim 1 is characterized in that: The air intake pipe (4) is a folded and shaped pipe.

3. The tail gas recovery system of the arch welding mechanism according to claim 1 is characterized in that: An air inlet pipe (7) is installed at the air inlet end of the air inlet pipe (4); the air inlet pipe (7) is a trumpet-shaped pipe; the diameter of the air inlet pipe (7) close to one end of the air inlet pipe (4) is smaller than the diameter of the air inlet pipe (7) away from one end of the air inlet pipe (4).

4. The tail gas recovery system for arch welding mechanism according to claim 3 is characterized in that: A handle (71) is fixed to the outer wall of the air inlet pipe (7).

5. The tail gas recovery system for arch welding mechanism according to claim 1, characterized in that: The collection box (9) has a storage cavity inside, and the storage cavity is a cavity that passes through from top to bottom. The bottom of the collection box (9) is threadedly connected to a bottom cover (91).

6. The tail gas recovery system for arch welding mechanism according to claim 1, characterized in that: A clamping column (2) is fixed on one side of the welding piece close to the connecting pipe (3); a clamping groove (21) is provided on one end of the clamping column (2) away from the welding piece; an opening is provided on one end of the clamping column (2); the opening is connected to the clamping groove (21), and the connecting pipe (3) is clamped into the clamping groove (21).

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