Integrated equipment for pipeline flange assembly spot welding

Abstract

Integrated equipment for pipeline flange assembly spot welding comprises a pipe fitting transferring mechanism, a grinding supporting roller frame and a hovering type folding arm crane, an incoming aluminum alloy pipe is conveyed to the grinding supporting roller frame through the pipe fitting transferring mechanism, the aluminum alloy incoming pipe is conveyed to an assembly position through the pipe fitting transferring mechanism, and the hovering type folding arm crane is used for hovering the aluminum alloy incoming pipe. A movable type driving rotation mechanism and a movable type driven rotation mechanism are arranged on the two sides of the assembling position of the pipe fitting transferring mechanism correspondingly, and hydraulic supporting chucks are arranged on the movable type driving rotation mechanism and the movable type driven rotation mechanism correspondingly. According to the utility model, the processes of aluminum alloy pipe feeding operation, aluminum alloy pipe welding part surface polishing, aluminum alloy pipe inner wall rounding, flange precise assembly and spot welding, pipe flange workpiece temporary storage after spot welding, and final workpiece operation to the next procedure can be completed, and the whole process does not need a travelling crane to hoist pipe fittings. According to the pipeline flange assembling and spot welding automatic assembly line, a traveling crane is not needed for hoisting pipe fittings, and the functions of rounding the inner wall of the pipe, accurately assembling the flanges and the like are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of controlling pipeline flange assembly, and in particular relates to an integrated device for spot welding of pipeline flange assembly. Background Art

[0002] At present, the assembly of aluminum alloy pipes and aluminum alloy flanges is mainly completed by manual hoisting and spot welding. In addition, the size of the workpiece after spot welding is difficult to guarantee, and the verticality is not good, which leads to a large amount of subsequent processing and a large processing allowance, and the production cost is very high. In addition, manual participation is required when hoisting long pipes, which poses a safety hazard to operators. Utility Model Content

[0003] The utility model aims to solve one of the technical problems in the related art at least to a certain extent.

[0004] To this end, the technical solution adopted by the utility model is: an integrated device for spot welding of pipeline flange assembly, including a pipe transfer mechanism, a grinding support roller frame and a suspended folding arm crane. The incoming aluminum alloy pipe is transported to the grinding support roller frame through the pipe transfer mechanism. After the aluminum alloy incoming pipe is polished, the pipe transfer mechanism transports the aluminum alloy incoming pipe to the assembly position. A mobile active rotating mechanism and a mobile passive rotating mechanism are respectively arranged on both sides of the assembly position of the pipe transfer mechanism. The mobile active rotating mechanism and the mobile passive rotating mechanism are respectively provided with hydraulic tightening chucks. The suspended folding arm crane hoists the two aluminum alloy flanges to two hydraulic supports respectively. On the inner ring of the tightening chuck, the mobile active rotating mechanism and the mobile passive rotating mechanism adjust the position so that the hydraulic tightening chuck and the aluminum alloy flange are coaxial with the incoming aluminum alloy tube. The mobile active rotating mechanism and the mobile passive rotating mechanism carry the hydraulic tightening chuck and the aluminum alloy flange to move toward the central axis of the incoming aluminum alloy tube on the pipe fitting transfer mechanism. The mobile active rotating mechanism and the mobile passive rotating mechanism are respectively provided with pneumatic tightening mechanisms. After the hydraulic tightening chuck tightens and rounds the inner wall of the incoming aluminum alloy tube, the pneumatic tightening mechanism tightens the aluminum alloy flange so that the aluminum alloy flange is sleeved on the incoming aluminum alloy tube and the aluminum alloy flange is tightly attached to the incoming aluminum alloy tube.

[0005] The pipe fitting transfer mechanism includes a movable roller frame mechanism, a movable crossbeam mechanism, an upper fixed seat, a lifting upper platform, a lower integral movable frame, a connecting frame A and a connecting frame B. The movable crossbeam mechanism can be reciprocated and arranged on the upper fixed seat, the movable roller frame mechanism can be reciprocated and arranged on the movable crossbeam mechanism, the lifting upper platform can be reciprocated up and down and arranged on the lower integral movable frame, and the upper fixed seat is arranged on the lifting upper platform.

[0006] The output of the pipe transfer mechanism is provided with a material unloading buffer roller rack, and after the aluminum alloy flange and the incoming aluminum alloy pipe are welded into a pipe flange assembly, the pipe transfer mechanism transports the pipe flange assembly to the material unloading buffer roller rack for storage.

[0007] The suspended folding arm crane is installed on a fixed base, and a flange placement frame is arranged on the fixed base.

[0008] A conveying roller is arranged on one side of the pipe transfer mechanism, and the aluminum alloy incoming pipe is transported to the pipe transfer mechanism by the conveying roller.

[0009] The movable active slewing mechanism and the movable passive slewing mechanism both travel on a traveling base via a movable base.

[0010] The lower integral moving frame can move forward and backward on the walking base.

[0011] The grinding support roller frame is connected to the lower integral moving frame through a connecting frame B.

[0012] The material unloading buffer roller frame is connected to the lower integral moving frame through a connecting frame A.

[0013] A support rail is arranged on one side of the walking base, and support rollers are arranged at the bottom of the grinding support roller frame and the unloading buffer roller frame, and the support rollers can roll on the support rail.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model can complete the operation of aluminum alloy pipe materials, surface grinding of aluminum alloy pipe welding parts, rounding of aluminum alloy pipe inner wall, accurate flange assembly and spot welding, caching of pipe flange workpieces after spot welding, and finally the workpieces are transported to the next process, and the whole process does not require crane hoisting of pipe fittings. The utility model pipeline flange assembly spot welding automated production line realizes the need for crane hoisting of pipe fittings, completes assembly spot welding, and realizes the functions of rounding of pipe inner wall and accurate flange assembly. The utility model adopts two sets of pipe fitting transfer mechanisms to realize the transfer of pipe fittings to the grinding station, then to the pipe flange assembly station, and then to the buffer station, and finally completes the unloading to the AGV for transfer, thereby realizing assembly line operation and ensuring that no driving is required for lifting throughout the whole process; the utility model adopts hydraulic tightening chucks at both ends, which not only realizes the tightening of the inner wall of the pipe fitting, but also realizes the rounding of the inner wall of the pipe fitting to ensure the matching clearance between the pipe and the inner circle of the flange; the utility model adopts pneumatic tightening mechanisms at both ends, which not only realizes the verticality of the splicing of the pipe fitting and the flange, but also ensures the parallelism of the flanges at both ends; the utility model adopts a stroke sensor, and compares the feedback stroke of the sensor with the system length to perfectly realize the precision control and feedback after the pipe flange is assembled; the mobile roller mechanism in the two sets of pipe fitting transfer mechanisms 2 adopted by the utility model can move on the mobile beam mechanism, and the mobile beam mechanism 22 itself can also move forward and backward, and the whole also has a lifting function, all of which use servo control, thereby realizing the long stroke in multiple stations, solving multiple problems such as inconsistent heights of multiple stations. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the pipe transfer mechanism;

[0017] Figure 3 yes Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0019] On the contrary, the present application covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present application as defined by the claims. Further, in order to make the public have a better understanding of the present application, some specific details are described in detail in the detailed description of the present application below. Those skilled in the art can fully understand the present application without the description of these details.

[0020] See also Figure 1 to Figure 3 An integrated device for spot welding of pipeline flange assembly includes a pipe transfer mechanism 2, a grinding support roller frame 4 and a suspended folding arm crane 9. The incoming aluminum alloy pipe 3 is transported to the grinding support roller frame 4 through the pipe transfer mechanism 2, and the weld position of the incoming aluminum alloy pipe 3 is manually polished, degreased and decontaminated. After polishing the aluminum alloy incoming pipe 3, the pipe transfer mechanism 2 transports the aluminum alloy incoming pipe 3 to the assembly position. A mobile active rotating mechanism 7 and a mobile passive rotating mechanism 16 are respectively arranged on both sides of the assembly position of the pipe transfer mechanism 2. The mobile active rotating mechanism 7 and the mobile passive rotating mechanism 16 are respectively provided with hydraulic tightening chucks 5. The suspended folding arm crane 9 hoists two aluminum alloy flanges 10 onto the inner rings of the two hydraulic tightening chucks 5. The mobile active rotating mechanism 7 and the mobile passive rotating mechanism 16 adjust their positions so that the hydraulic tightening chuck 5 and the aluminum alloy flange 10 are coaxial with the incoming aluminum alloy pipe 3. The mobile active rotating mechanism 7 and the mobile passive rotating mechanism 16 carry the hydraulic tightening chuck 5 and the aluminum alloy flange 10 to move toward the central axis of the incoming aluminum alloy tube 3 on the pipe fitting transfer mechanism 2. The mobile active rotating mechanism 7 and the mobile passive rotating mechanism 16 are respectively provided with a pneumatic tightening mechanism 6. After the hydraulic tightening chuck 5 tightens and rounds the inner wall of the incoming aluminum alloy tube 3, the pneumatic tightening mechanism 6 tightens the aluminum alloy flange 10 so that the aluminum alloy flange 10 is sleeved on the incoming aluminum alloy tube 3 and the aluminum alloy flange 10 is tightly attached to the incoming aluminum alloy tube 3. At this time, the two aluminum alloy flanges 10 are perpendicular to the incoming aluminum alloy tube 3.

[0021] The mobile active slewing mechanism 7 and the mobile passive slewing mechanism 16 are respectively provided with a stroke sensor 13, which is fed back to the control system through the stroke sensor 13. Within a reasonable deviation range, the aluminum alloy flange 10 and the aluminum alloy incoming pipe 3 are spot welded into one body, and rotated one circle to spot weld into a pipe flange assembly 14.

[0022] The pipe transfer mechanism 2 includes a movable roller frame mechanism 21, a movable crossbeam mechanism 22, an upper fixed seat 23, a jacking upper platform 24, a lower integral movable frame 25, a connecting frame A26 and a connecting frame B27. The movable crossbeam mechanism 22 is reciprocatingly arranged on the upper fixed seat 23, and the movable roller frame mechanism 21 is reciprocatingly arranged on the movable crossbeam mechanism 22, so that the movable roller mechanism 21 has a larger stroke, and can reach both the front and rear positions to meet the needs of multiple stations. The jacking upper platform 24 is reciprocatingly arranged on the lower integral movable frame 25, and the upper fixed seat 23 is arranged on the jacking upper platform 24.

[0023] The pipe transfer mechanism 2 carries the aluminum alloy incoming pipe 3 by moving the roller frame mechanism 21 and then transports and moves the aluminum alloy incoming pipe 3 and the pipe flange assembly 14 .

[0024] The output of the pipe transfer mechanism 2 is provided with a material unloading buffer roller rack 15 , and after the aluminum alloy flange 10 and the incoming aluminum alloy pipe 3 are welded into a pipe flange assembly 14 , the pipe transfer mechanism 2 transports the pipe flange assembly 14 to the material unloading buffer roller rack 15 for storage.

[0025] When the AGV transfer vehicle 12 moves to the position of the material unloading buffer roller frame 15 , the pipe transfer mechanism 2 moves the pipe flange assembly 14 on the material unloading buffer roller frame 15 to the AGV transfer vehicle 12 .

[0026] The suspended folding arm crane 9 is installed on a fixed base 8, and a flange placement rack 11 is provided on the fixed base 8. The aluminum alloy flange 10 is placed in the flange placement rack 11, and the suspended folding arm crane 9 retrieves the aluminum alloy flange 10 from the flange placement rack 11.

[0027] A conveying roller 1 is disposed on one side of the pipe transfer mechanism 2 , and the aluminum alloy incoming pipe 3 is transported to the pipe transfer mechanism 2 by the conveying roller 1 .

[0028] Both the mobile active slewing mechanism 7 and the mobile passive slewing mechanism 16 travel on the traveling base 19 via the mobile base 17 .

[0029] The transport direction of the pipe transfer mechanism 2 is perpendicular to the transport direction of the conveying roller 1 , and the transport direction of the pipe transfer mechanism 2 is perpendicular to the moving direction of the movable base 17 .

[0030] The lower integral moving frame 25 can move forward and backward on the walking base 19 .

[0031] The grinding support roller frame 4 is connected to the lower integral moving frame 25 via a connecting frame B27.

[0032] The material unloading and buffering roller frame 15 is connected to the lower integral moving frame 25 via a connecting frame A26.

[0033] A support rail 18 is provided on one side of the walking base 19, and support rollers 20 are provided at the bottom of the grinding support roller frame 4 and the unloading buffer roller frame 15. The support rollers 20 can roll on the support rail 18, which can bear the weight of the pipe fittings and adjust the support position to achieve an ideal support state.

[0034] The utility model uses a pipe transfer mechanism 2 throughout the entire process, from pipe material incoming and running, grinding, to pipe flange assembly, to pipe flange assembly parts caching, and then to unloading to AGV transportation, without the need for a crane to participate in lifting, which is safe, reliable, convenient and fast; the installation of the aluminum alloy flange 10 uses a rotary stop folding arm crane 9, which does not require manual handling of the flange, saving effort and being convenient; a hydraulic tightening chuck 5 is used when assembling the pipe flange, which not only tightens the inner wall of the circular pipe but also makes the inner wall of the pipe round; before the flange assembly spot welding, a pneumatic tightening mechanism 6 is used to push the aluminum alloy flange 10 and the aluminum alloy incoming pipe 3 tightly to ensure the verticality of the flange and the pipe and the parallelism of the flanges at both ends, and the overall assembly length is fed back through the stroke sensor 13, so that the accuracy is guaranteed.

Claims

1. An integrated device for spot welding of pipeline flange assemblies, characterized in that: It comprises a pipe transfer mechanism, a grinding support roller frame and a suspended folding arm crane, wherein a conveying roller is arranged on one side of the pipe transfer mechanism, and the incoming aluminum alloy pipe is transported to the pipe transfer mechanism by the conveying roller frame; the incoming aluminum alloy pipe is transported to the grinding support roller frame by the pipe transfer mechanism, and after the incoming aluminum alloy pipe is ground, the pipe transfer mechanism transports the incoming aluminum alloy pipe to the assembly position, and a mobile active rotating mechanism and a mobile passive rotating mechanism are arranged on both sides of the assembly position of the pipe transfer mechanism, respectively, and hydraulic tightening chucks are arranged on the mobile active rotating mechanism and the mobile passive rotating mechanism, respectively, and the suspended folding arm crane hoists two aluminum alloy flanges onto the inner rings of the two hydraulic tightening chucks, and the mobile active rotating mechanism and the mobile passive rotating mechanism adjust their positions so that the hydraulic The pressing and tightening chuck and the aluminum alloy flange are both coaxial with the incoming aluminum alloy tube. The mobile active rotating mechanism and the mobile passive rotating mechanism carry the hydraulic tightening chuck and the aluminum alloy flange to move toward the central axis of the incoming aluminum alloy tube on the pipe fitting transfer mechanism. The mobile active rotating mechanism and the mobile passive rotating mechanism are respectively provided with pneumatic tightening mechanisms. After the hydraulic tightening chuck tightens and rounds the inner wall of the incoming aluminum alloy tube, the pneumatic tightening mechanism tightens the aluminum alloy flange so that the aluminum alloy flange is sleeved on the incoming aluminum alloy tube and the aluminum alloy flange is tightly attached to the incoming aluminum alloy tube. A material unloading buffer roller rack is provided at the output of the pipe fitting transfer mechanism. After the aluminum alloy flange and the incoming aluminum alloy tube are welded into a pipe flange assembly, the pipe fitting transfer mechanism transports the pipe flange assembly to the material unloading buffer roller rack for storage.

2. An integrated device for spot welding of pipeline flange assemblies according to claim 1, characterized in that: The pipe fitting transfer mechanism includes a movable roller frame mechanism, a movable crossbeam mechanism, an upper fixed seat, a lifting upper platform, a lower integral movable frame, a connecting frame A and a connecting frame B. The movable crossbeam mechanism can be reciprocated and arranged on the upper fixed seat, the movable roller frame mechanism can be reciprocated and arranged on the movable crossbeam mechanism, the lifting upper platform can be reciprocated up and down and arranged on the lower integral movable frame, and the upper fixed seat is arranged on the lifting upper platform.

3. The integrated equipment for spot welding of pipeline flange assemblies according to claim 1, characterized in that: The suspended folding arm crane is installed on a fixed base, and a flange placement frame is arranged on the fixed base.

4. The integrated equipment for spot welding of pipeline flange assemblies according to claim 1, characterized in that: The movable active slewing mechanism and the movable passive slewing mechanism both travel on a traveling base via a movable base.

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