Downcomer Automatic Welding Tooling

Abstract

The downcomer automatic welding tooling provided by the present invention, the downcomer automatic welding tooling includes a turning beam, a clamping device, a pressing device and a turning driving device. The pressing device is arranged above both ends of the turning beam. The clamping device is arranged on the turning beam and is located between the two pressing devices. The turning driving devices are respectively arranged at both ends of the turning beam and are used to drive the turning beam to turn. The present invention proposes a downcomer automatic welding tooling, which has good positioning accuracy for the components to be welded. At the same time, the positions of the clamping device and the pressing device for fixing the workpiece can be adjusted in multiple directions. Therefore, the downcomer automatic welding tooling provided by the present invention has the advantages of good compatibility and strong applicability.

Description

Technical Field

[0001] The invention relates to the technical field of tooling and fixtures for producing petrochemical equipment, and in particular to an automatic welding tooling for a downcomer. Background Art

[0002] Robot welding guns are mechanical products that can replace human labor and move like human arms. They can perform welding tasks through PLC controllers. Robot welding guns can realize welding automation, improve productivity, reduce enterprise costs, and improve corporate image. However, to achieve high-efficiency welding, two prerequisites are required: 1. High material cutting accuracy and high product consistency are required to better achieve automated welding. 2. The assembly accuracy of the workpiece must be high, and the fixture must be accurately fixed and matched with the robot welding gun to achieve welding automation. Summary of the invention

[0003] In order to solve the above problems, the present invention proposes an automatic welding tool for a downcomer, which has good positioning accuracy for the parts to be welded. At the same time, the positions of the clamping device and the pressing device for fixing the workpiece can be adjusted in multiple directions. Therefore, the automatic welding tool for a downcomer provided by the present invention has the advantages of good compatibility and strong applicability.

[0004] The technical solution adopted by the present invention is as follows:

[0005] The automatic welding tooling of the downcomer includes a turning beam, a tightening device, a pressing device and a turning driving device.

[0006] The clamping device is arranged above the two ends of the flip beam, the pressing device is arranged on the flip beam and located between the two clamping devices, and the flip driving device is respectively arranged at the two ends of the flip beam for driving the flip beam to flip.

[0007] In one embodiment, the tightening device includes a plurality of tightening devices arranged at intervals in two rows.

[0008] In one embodiment, the flip beam includes an upper platform, a lower platform, and end plates located at both ends of the upper platform and the lower platform.

[0009] The lower end of the clamping device is located on the lower platform, and the upper end passes through the upper platform. The pressing device is located on the upper platform, and the flip driving device is respectively connected to the end plates located at both ends of the upper platform or the lower platform.

[0010] In one embodiment, the clamping device includes a rotary cylinder, a guide sleeve, a pull rod and a clamping block.

[0011] The cylinder block of the rotary cylinder is arranged on the lower platform. The piston rod of the rotary cylinder is connected to the lower end of the pull rod. The upper end of the pull rod penetrates through the upper platform. The guide sleeve is sleeved outside the pull rod, and the guide sleeve is located on the upper platform. The pressing block is arranged at the upper end of the pull rod.

[0012] In one embodiment, the cylinder block of the rotary cylinder is connected to the lower platform. The piston rod of the rotary cylinder is screwed to the pull rod. A bearing is sleeved on the part of the pull rod located inside the guide sleeve. The pressing block is sleeved on the upper end of the pull rod.

[0013] In one embodiment, a rotary cylinder mounting hole is arranged on the lower platform, a guide sleeve mounting hole and a pull rod through hole are arranged on the upper platform. The rotary cylinder and the guide sleeve are respectively connected to the lower platform and the upper platform through fixing bolts. And the rotary cylinder mounting hole, the pull rod through hole and the guide sleeve mounting hole are all waist-shaped through holes extending in the front-back direction;

[0014] The piston rod of the rotary cylinder is provided with an external thread. The bottom end of the pull rod is provided with a threaded hole screwed to the piston rod of the rotary cylinder. The pressing block is provided with a pressing block mounting hole. A pressing block positioning threaded through hole is arranged on the side wall of the pressing block mounting hole, and a positioning screw is arranged inside the pressing block positioning threaded through hole.

[0015] In one embodiment, the tightening device includes a tightening cylinder, a tightening cylinder base, a tightening cylinder connecting sleeve, a tightening cylinder mounting plate and a chuck.

[0016] The tightening cylinder base is arranged on the upper platform. The tightening cylinder connecting sleeve is arranged on the tightening cylinder base. The tightening cylinder mounting plate is arranged on the tightening cylinder connecting sleeve. The tightening cylinder is arranged at the upper end of the tightening cylinder mounting plate. The chuck is arranged at the end of the piston rod of the tightening cylinder.

[0017] In one embodiment, the tightening cylinder base includes a tightening cylinder bottom plate and two side plates located on the tightening cylinder bottom plate. A tightening cylinder bottom plate mounting hole is arranged on the upper platform. The tightening cylinder bottom plate is connected to the upper platform through a fixing bolt;

[0018] The tightening cylinder connecting sleeve is installed between the two side plates. Corresponding rotary through holes are respectively arranged on the side walls of the two side plates and the tightening cylinder connecting sleeve. Fixing bolts are arranged in the rotary through holes;

[0019] The lower end of the jacking cylinder mounting plate is inserted into the upper end of the jacking cylinder connection sleeve. A jacking threaded through-hole is provided on the side wall of the jacking cylinder connection sleeve, and a screw for tightly fixing the jacking cylinder mounting plate is arranged in the jacking threaded through-hole.

[0020] The jacking cylinder is connected to the jacking cylinder mounting plate through a fixing screw rod. One end of the piston rod of the jacking cylinder, which is far away from its cylinder body, penetrates through the jacking cylinder mounting plate and is connected to the chuck. An external thread is provided at the connection end of the piston rod of the jacking cylinder and the chuck, and a threaded hole for screwing with the piston rod of the jacking cylinder is provided on the chuck.

[0021] The jacking cylinder bottom plate mounting hole is an oblong through-hole extending in the front-back direction, and the two side plates are arranged in the front-back orientation.

[0022] In one embodiment, the chuck includes a connecting portion, a groove portion and a conical portion. A groove opening inward is provided on the groove portion, and a cone protruding inward is provided on the conical portion. The groove portion is arranged below the connecting portion, the conical portion is located inside the connecting portion, and the threaded hole on the chuck is located on the outer end face of the connecting portion.

[0023] In one embodiment, the flipping drive device includes a main slewing machine, a slave slewing machine and a coupling. The main shafts of the main slewing machine and the slave slewing machine are respectively connected to the end plates located at both ends of the upper platform or the lower platform through the coupling.

[0024] Compared with the prior art, for the automatic welding tooling for downcomers proposed by the present invention, the positions of the jacking device and the pressing device for fixing the workpiece can be adjusted in multiple directions. Therefore, the automatic welding tooling for downcomers provided by the present invention can be used to fix workpieces with larger sizes and complex shapes and structures, and can also be used to fix workpieces with smaller sizes and simple structures, having advantages such as good compatibility and strong applicability. Secondly, the flipping beam for arranging the jacking device and the pressing device, in cooperation with the flipping drive device, can realize the deflection action of the flipping beam, the pressing device, the jacking device and the workpiece fixed above them, facilitating subsequent welding work and greatly improving the welding efficiency and automation degree. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic structural diagram of an embodiment of the present invention;

[0026] Figure 2 It is a schematic structural diagram of the pressing device in an embodiment of the present invention;

[0027] Figure 3 It is a schematic structural diagram of the jacking device in an embodiment of the present invention. Detailed implementation mode

[0028] As Figures 1-3 shown, for the convenience of description, the "up", "down", "left", "right", "front", and "back" orientation references in the present invention are based on the orientation shown in the attached Figure 1 figure;

[0029] The downcomer automatic welding tooling includes a turning beam 1. Preferably, the longitudinal section of the turning beam 1 is in the shape of a "work" character, a clamping device 3, a pressing device 2, and a turning driving device.

[0030] The pressing device 2 is arranged above both ends of the turning beam 1, the clamping device 3 is arranged on the turning beam 1 and is located between the two pressing devices 2, and the turning driving devices are respectively arranged at both ends of the turning beam 1 and are used to drive the turning beam 1 to turn.

[0031] In this embodiment, the clamping device 3 includes several clamping devices 3 arranged in two rows, parallel and at intervals. It should be noted that: the number of rows of the clamping devices 3, whether they are arranged parallel to each other or the distance between adjacent clamping devices 3 can be adjusted accordingly according to the size and shape of the workpiece to be welded.

[0032] In this embodiment, the turning beam 1 includes an upper platform 11, a lower platform 12, and end plates 13 located at both ends of the upper platform and the lower platform.

[0033] The lower end of the pressing device 2 is located on the lower platform 12, and the upper end penetrates through the upper platform 11. The clamping device 3 is located on the upper platform 11, and the turning driving devices are respectively connected to the end plates 13 located at both ends of the upper platform 11 or the lower platform 12.

[0034] In this embodiment, the pressing device 2 includes a rotary cylinder 21, a guide sleeve 22, a pull rod 23, and a pressing block 24.

[0035] The cylinder block of the rotary cylinder 21 is arranged on the lower platform 12, the piston rod of the rotary cylinder 21 is connected to the lower end of the pull rod 23, the upper end of the pull rod 23 penetrates through the upper platform 11, a guide sleeve 22 is sleeved outside the pull rod 23, the guide sleeve 22 is located on the upper platform 11, and the pressing block 24 is arranged at the upper end of the pull rod 23.

[0036] Preferably, the cylinder block of the rotary cylinder 21 is connected to the lower platform 12, the piston rod of the rotary cylinder 21 is screwed to the pull rod 23, a bearing 25 is sleeved on the part of the pull rod 23 located inside the guide sleeve 22, and the pressing block 24 is sleeved at the upper end of the pull rod 23.

[0037] Further, a rotary cylinder mounting hole is provided on the lower platform 12, and a guide sleeve mounting hole and a pull rod through hole are provided on the upper platform 11. The rotary cylinder 21 and the guide sleeve 22 are respectively connected to the lower platform 12 and the upper platform 11 through fixing bolts, and the rotary cylinder mounting hole, the pull rod through hole, and the guide sleeve mounting hole are all waist-shaped through holes extending in the front-rear direction;

[0038] By providing the rotary cylinder mounting hole, the pull rod through hole, and the guide sleeve mounting hole that are waist-shaped and extend in the front-rear direction, the overall front-rear movement adjustment of the pressing device 2 can be conveniently achieved.

[0039] External threads are provided on the piston rod of the rotary cylinder 21, threaded holes that are screwed to the piston rod of the rotary cylinder 21 are provided at the bottom end of the pull rod 23, a pressing block mounting hole is provided on the pressing block 24, a pressing block positioning threaded through hole is provided on the side wall of the pressing block mounting hole, and a positioning screw is provided inside the pressing block positioning threaded through hole. The preferred size of this positioning screw is: M10*15;

[0040] In this embodiment, the tightening device 3 includes a tightening cylinder 34, a tightening cylinder base 31, a tightening cylinder connecting sleeve 32, a tightening cylinder mounting plate 33, and a chuck 35.

[0041] The tightening cylinder base 31 is provided on the upper platform 11, the tightening cylinder connecting sleeve 32 is provided on the tightening cylinder base 31, the tightening cylinder mounting plate 33 is provided on the tightening cylinder connecting sleeve 32, the tightening cylinder 34 is provided at the upper end of the tightening cylinder mounting plate 33, and the chuck 35 is provided at the end of the piston rod of the tightening cylinder 34.

[0042] Preferably, the tightening cylinder base 31 includes a tightening cylinder bottom plate 311 and two side plates 312 located on the tightening cylinder bottom plate 311. Preferably, the tightening cylinder bottom plate 311 and the side plates 312 are connected by welding; a tightening cylinder bottom plate mounting hole is provided on the upper platform 11, and the tightening cylinder bottom plate 311 is connected to the upper platform 11 through fixing bolts. More preferably, the size of the fixing bolts for fixing the tightening cylinder bottom plate 311 and the upper platform 11 is M12*20;

[0043] The lower end of the tightening cylinder connecting sleeve 32 is installed between the two side plates 312. Rotation through holes are respectively provided on the corresponding side walls of the two side plates 312 and the tightening cylinder connecting sleeve 32, and fixing bolts are provided inside the rotation through holes. More preferably, the size of the fixing bolts for connecting the tightening cylinder connecting sleeve 32 and the side plates 312 is M12*20;

[0044] The lower end of the clamping cylinder mounting plate 33 is inserted into the interior of the upper end of the clamping cylinder connection sleeve 32. A clamping threaded through-hole is provided on the side wall of the clamping cylinder connection sleeve 32, and a screw for clamping and fixing the clamping cylinder mounting plate 33 is provided in the clamping threaded through-hole. More preferably, the size of the screw for fixing the clamping cylinder mounting plate 33 and the clamping cylinder connection sleeve 32 is M12*20.

[0045] The upper end of the clamping cylinder mounting plate 33 is provided with a clamping cylinder mounting hole and a clamping cylinder piston rod through-hole. The clamping cylinder 34 is installed on the outer side surface of the clamping cylinder mounting plate 33 through a fixing screw. One end of the piston rod of the clamping cylinder 34 away from its cylinder body penetrates through the clamping cylinder piston rod through-hole and is connected to the chuck 35. An external thread is provided at the connection end of the piston rod of the clamping cylinder 34 and the chuck 35, and a threaded hole screwed with the piston rod of the clamping cylinder 34 is provided on the chuck 35.

[0046] The clamping cylinder bottom plate mounting hole is an elongated through-hole extending in the front-back direction. The two side plates 312 are arranged in the front-back orientation, so that the front-back movement of the clamping device 3 can be conveniently realized. At the same time, the clamping cylinder connection sleeve 32 is rotatably arranged between the two side plates 312 arranged in the front-back direction through a fixing bolt, and correspondingly, the left-right deflection of the clamping cylinder 34 is realized. Therefore, the clamping device 3 simultaneously has the adjustment function in four directions of front, back, left, and right, greatly improving the compatibility of the clamping device 3 with the workpiece to be fixed.

[0047] In this embodiment, the chuck 35 includes a connecting portion 351, a groove portion 352, and a conical portion 353. A groove opening inward is provided on the groove portion 352, and this groove can be used for well-fitting and fixing the plate-shaped portion on the workpiece to be fixed.

[0048] A cone protruding inward is provided on the conical portion 353, and this cone can be used for well-fitting and fixing the flat portion or positioning hole on the workpiece to be fixed.

[0049] The groove portion 352 is arranged below the connecting portion 351, the conical portion 353 is located inside the connecting portion 351, and the threaded hole on the chuck 35 is located on the outer end surface of the connecting portion 351, which is convenient for connecting with the piston rod of the clamping cylinder 34.

[0050] In this embodiment, the flipping drive device includes a main indexing machine 41, a slave indexing machine 42, and a coupling 43. The main shafts of the main indexing machine 41 and the slave indexing machine 42 are respectively connected to the end plates 13 at both ends of the upper platform 11 or the lower platform 12 through the coupling 43. Preferably, the end plates 13 are respectively fixedly connected to the coupling 43 through screws, and the size of the screws here is: M12*125.

[0051] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered that the scope recorded in this specification.

[0052] The above-described embodiments merely represent several implementation manners of the present invention. The description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent for the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention shall be subject to the appended claims.

Claims

1. Automatic welding tooling for downcomer, characterized in that It includes a tipping beam, a jacking device, a pressing device and a tipping drive device. The pressing device is arranged above both ends of the tipping beam, the jacking device is arranged on the tipping beam and located between the two pressing devices, and the tipping drive devices are respectively arranged at both ends of the tipping beam and used to drive the tipping beam to tip. The tipping beam includes an upper platform, a lower platform and end plates located at both ends of the upper platform and the lower platform. The pressing device includes a rotary cylinder, a guide sleeve, a pull rod and a pressing block. The cylinder block of the rotary cylinder is arranged on the lower platform, the piston rod of the rotary cylinder is connected to the lower end of the pull rod, the upper end of the pull rod penetrates through the upper platform, the guide sleeve is sleeved outside the pull rod, the guide sleeve is located on the upper platform, and the pressing block is arranged at the upper end of the pull rod; a rotary cylinder mounting hole is arranged on the lower platform, a guide sleeve mounting hole and a pull rod through hole are arranged on the upper platform, and the rotary cylinder and the guide sleeve are respectively connected to the lower platform and the upper platform through fixing bolts, and the rotary cylinder mounting hole, the pull rod through hole and the guide sleeve mounting hole are all kidney-shaped through holes extending in the front-rear direction. The jacking device includes a jacking cylinder, a jacking cylinder base, a jacking cylinder connecting sleeve, a jacking cylinder mounting plate and a chuck. The jacking cylinder base is arranged on the upper platform, the jacking cylinder connecting sleeve is arranged on the jacking cylinder base, the jacking cylinder mounting plate is arranged on the jacking cylinder connecting sleeve, the jacking cylinder is arranged at the upper end of the jacking cylinder mounting plate, and the chuck is arranged at the end of the piston rod of the jacking cylinder. The jacking cylinder base includes a jacking cylinder bottom plate and two side plates located on the jacking cylinder bottom plate. A jacking cylinder bottom plate mounting hole is arranged on the upper platform, and the jacking cylinder bottom plate is connected to the upper platform through a fixing bolt; the jacking cylinder connecting sleeve is installed between the two side plates, and rotary through holes are respectively arranged on the corresponding side walls of the two side plates and the jacking cylinder connecting sleeve, and fixing bolts are arranged in the rotary through holes; the lower end of the jacking cylinder mounting plate is inserted into the upper end of the jacking cylinder connecting sleeve, a jacking threaded through hole is arranged on the side wall of the jacking cylinder connecting sleeve, and a screw for tightly fixing the jacking cylinder mounting plate is arranged in the jacking threaded through hole; the jacking cylinder is connected to the jacking cylinder mounting plate through a fixing screw, the end of the piston rod of the jacking cylinder away from its cylinder block penetrates through the jacking cylinder mounting plate and is connected to the chuck, an external thread is arranged on the connection end of the piston rod of the jacking cylinder and the chuck, and a threaded hole screwed with the piston rod of the jacking cylinder is arranged on the chuck; the jacking cylinder bottom plate mounting hole is a kidney-shaped through hole extending in the front-rear direction, and the two side plates are arranged in the front-rear orientation.

2. The downcomer automatic welding tooling according to claim 1, characterized in that, The jacking device includes several rows of jacking devices arranged at intervals.

3. The downcomer automatic welding tooling according to any one of claims 1, characterized in that The tipping drive devices are respectively connected to the end plates located at both ends of the upper platform or the lower platform.

4. The downcomer automatic welding tooling according to claim 1, characterized in that The cylinder block of the rotary cylinder is connected to the lower platform. The piston rod of the rotary cylinder is screwed to the pull rod. A bearing is sleeved on the part of the pull rod located inside the guide sleeve. The pressing block is sleeved on the upper end of the pull rod.

5. The downcomer automatic welding tooling according to claim 4, wherein, An external thread is provided on the piston rod of the rotary cylinder. A threaded hole for screwing with the piston rod of the rotary cylinder is provided at the bottom end of the pull rod. A pressing block mounting hole is provided on the pressing block. A pressing block positioning threaded through hole is provided on the side wall of the pressing block mounting hole, and a positioning screw is provided inside the pressing block positioning threaded through hole.

6. The downcomer automatic welding tooling according to claim 1, characterized in that, The chuck includes a connecting portion, a groove portion and a conical portion. A groove opening inward is provided on the groove portion. A cone protruding inward is provided on the conical portion. The groove portion is provided below the connecting portion. The conical portion is located inside the connecting portion. The threaded hole on the chuck is located on the outer end face of the connecting portion.

7. The downcomer automatic welding tooling according to claim 3, characterized in that, The flipping drive device includes a main positioner, a slave positioner and a coupling. The main shafts of the main positioner and the slave positioner are respectively connected to the end plates located at both ends of the upper platform or the lower platform through the coupling.

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