CN214640946U - Automatic assembly and automatic spot welding equipment for annular seams of pressure vessel shell sections - Google Patents

Automatic assembly and automatic spot welding equipment for annular seams of pressure vessel shell sections Download PDF

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Publication number
CN214640946U
CN214640946U CN202022951957.8U CN202022951957U CN214640946U CN 214640946 U CN214640946 U CN 214640946U CN 202022951957 U CN202022951957 U CN 202022951957U CN 214640946 U CN214640946 U CN 214640946U
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shell ring
sliding table
spot welding
base
shaped
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CN202022951957.8U
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周凯
江国春
贺黎明
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Wuhan Kempinsh Power Equipment Co ltd
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Wuhan Kempinsh Power Equipment Co ltd
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Abstract

The utility model discloses an automatic team assembly of pressure vessel shell ring seam and automatic spot welding equipment, including horizontal slip table base, shell ring support base and shell ring conveying mechanism, be equipped with horizontal slip table on the horizontal slip table base, the lift slip table stand is installed to horizontal slip table front end, install rib form internal stay mechanism on the lift slip table stand, be equipped with shell ring support mechanism on the shell ring support base, adjustable length baffle is installed to the lift slip table front end, install shell ring pushing mechanism on the shell ring support base, install pneumatic cylinder and rotary driving mechanism on the lift slip table, pneumatic cylinder drive rib form internal stay mechanism opens, rotary driving mechanism drive rib form internal stay mechanism rotate drive shell ring seam rotation deflection of shell ring; and a robot automatic spot welding system is arranged on one side of the shell ring supporting base. This application equipment can carry out automatic team's assembly and spot welding to the shell ring, and whole working process adopts intelligent control to accomplish automatically, improves manufacturing efficiency, saves manufacturing cost.

Description

Automatic assembly and automatic spot welding equipment for annular seams of pressure vessel shell sections
Technical Field
The utility model belongs to the technical field of pressure vessel makes and welds, in particular to automatic team assembly of pressure vessel shell ring seam and automatic spot welding equipment.
Background
For a thin-wall shell ring of a pressure vessel, particularly for a stainless steel shell ring, the circular seam of the shell ring is welded by adopting a plasma welding technology or a deep-melting TIG (or K-TIG) welding technology, the welding seam with the wall thickness of less than 8mm can be welded without forming a groove, so that the single-side welding and double-side forming are realized, the advanced and efficient welding method has high requirements on the assembly gap and the misalignment of the circular seam, which cannot exceed 10 percent of the plate thickness, namely for the shell ring with the plate thickness of 8mm, the assembly gap and the misalignment of the circular seam are less than 0.8mm, the assembly quality of the circular seam directly influences the welding quality, the existing circular seam team method usually adopts a manual assembly method, the shell ring is placed on a supporting roller by a travelling crane, the lowest part of the circular seam part is slightly jacked up in a hydraulic or pneumatic mode below the outer side of the shell ring seam part, and then a welder manually performs spot welding on the jacked part below the inner part of the shell ring, and then the process is repeated by rotating the shell ring by an angle, the relation between the assembly quality and human factors is large, the manual assembly consumes long time, the quality is unstable and the efficiency is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned defect, provide an automatic team's assembly of pressure vessel shell ring seam and automatic spot welding equipment, can carry out automatic team's assembly and automatic spot welding to the shell ring of different diameters, whole working process adopts the automatic completion of intelligent control.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an automatic assembling and automatic spot welding device for a pressure vessel shell ring seam comprises a horizontal sliding table base, a shell ring supporting base arranged at the front end and a shell ring conveying mechanism arranged on the side surface,
the shell ring conveying mechanism conveys the shell ring positioned on the shell ring conveying mechanism to the position above the front end of the horizontal sliding table base;
a horizontal sliding table capable of sliding linearly on the horizontal sliding table base is arranged on the horizontal sliding table base, a lifting sliding table upright post with a gantry structure is arranged at the front end of the horizontal sliding table, a lifting sliding table capable of sliding up and down on the lifting sliding table upright post is arranged on the lifting sliding table upright post, an umbrella rib-shaped internal support mechanism is arranged on the lifting sliding table and can extend into the cylinder section,
the shell ring supporting base is provided with a shell ring supporting mechanism for supporting the shell ring, and the rib-shaped inner supporting mechanism is matched with the sliding of the horizontal sliding table and the lifting of the lifting sliding table to convey the shell ring above the horizontal sliding table base to the shell ring supporting mechanism on the shell ring supporting base;
the front end of the lifting sliding table is provided with a length-adjustable baffle which pushes a shell ring positioned in front to advance to eliminate the gap of the circular seam of the shell ring, the shell ring supporting base is provided with a shell ring pushing mechanism which pushes the other end of the shell ring to further eliminate the gap of the circular seam of the shell ring,
the lifting sliding table is further provided with a hydraulic cylinder and a rotary driving mechanism, the hydraulic cylinder drives the rib-shaped internal supporting mechanism to open, two barrel sections at the circular seam position are internally supported, the misalignment in the wall thickness direction of the barrel sections is eliminated, and the rotary driving mechanism drives the rib-shaped internal supporting mechanism to rotate to drive the circular seam of the barrel sections to rotate and shift;
and a robot automatic spot welding system is installed on one side of the shell ring supporting base and is used for automatically spot welding the annular seam of the shell ring.
Furthermore, the rib-shaped internal support mechanism comprises an annular disc, a plurality of guide grooves are radially arranged on the annular disc, a long strip-shaped sliding block is arranged in each guide groove, a long connecting arm with an adjustable relative position is arranged on the long strip-shaped sliding block, a top supporting plate is arranged at the tail end of the long connecting arm, an ear plate is connected onto the long strip-shaped sliding block, a chain plate is hinged onto the ear plate through a pin shaft, the other end of the chain plate is hinged to the ear plate on the movable disc through a pin shaft, a push-pull rod is arranged at the center of the movable disc, the tail end of the push-pull rod is connected with a hydraulic cylinder, and the hydraulic cylinder drives the push-pull rod to axially move, so that the top supporting plate on the rib-shaped internal support mechanism is driven to be opened and folded.
Furthermore, a rotating mechanism is arranged in the middle of the front end of the lifting sliding table, a cantilever hollow shaft is arranged on the rotating mechanism, the other end of the cantilever hollow shaft is connected with the annular disc of the rib-shaped internal support mechanism,
the rotary driving mechanism and the hydraulic cylinder are arranged at the rear end of the lifting sliding table, the rotary driving mechanism drives the rotary mechanism to rotate so as to drive the top supporting plate of the rib-shaped internal supporting mechanism to rotate,
the hydraulic cylinder passes through the push-pull rod, the rotating mechanism and the cantilever hollow shaft are connected with the umbrella rib-shaped internal support mechanism to drive the umbrella rib-shaped internal support mechanism to open and close.
Furthermore, the shell section supporting mechanism comprises two translational sliding tables which are symmetrically arranged along the length direction, an automatic aligning driving mechanism is also arranged on the shell section supporting base and drives the translational sliding tables to symmetrically open and close relative to the central line,
but be equipped with shell ring support major axis on the translation slip table, the equipartition has a plurality of shell ring supporting wheel on the shell ring support major axis, shell ring supporting wheel supports the shell ring.
Furthermore, the shell ring pushing mechanisms are arranged between the two shell ring supporting long shafts, each shell ring pushing mechanism comprises a sliding table which is arranged on the shell ring supporting base and can slide linearly along the length direction on the shell ring supporting base, a sliding table driving mechanism and a pushing arm are arranged on the sliding table, the sliding table driving mechanism drives the pushing arm to move back and forth, and the pushing arm applies thrust to the shell ring on the shell ring supporting wheel.
Furthermore, a plurality of shell ring jacking wheel mechanisms are uniformly distributed on the shell ring supporting long shaft and comprise a sleeve capable of rotating around the shell ring supporting long shaft, one end of the sleeve is connected with a driving oil cylinder, the driving oil cylinder drives the sleeve to rotate, a jacking roller and a shaft are mounted at the other end of the sleeve, and the jacking roller and the shaft are driven to rotate to support the shell ring when the sleeve rotates.
Still further, the robot stitch welding system comprises a horizontal moving shaft parallel to the shell ring supporting base and a spot welding robot movable on the horizontal moving shaft, wherein the spot welding robot performs stitch welding on the shell ring seam automatically.
Furthermore, the shell section conveying mechanism comprises a V-shaped conveying driving roller path and a translational V-shaped conveying roller path connected with the V-shaped conveying driving roller path, the V-shaped conveying driving roller path is arranged in parallel with the horizontal sliding table base and comprises a plurality of V-shaped rollers and a V-shaped roller driving mechanism, the central shaft of the shell section is placed on the V-shaped rollers in parallel with the horizontal sliding table base, the V-shaped roller driving mechanism drives the V-shaped rollers to rotate so as to drive the shell section to move forwards,
the translatable V-shaped conveying raceway comprises a bottom frame arranged perpendicular to the horizontal sliding table base, a translatable sliding table arranged on the bottom frame and a translation driving mechanism, the translation driving mechanism drives the translatable sliding table to move on the bottom frame along the direction perpendicular to the horizontal sliding table base, an extension section of the V-shaped conveying active raceway connected with the V-shaped conveying active raceway is arranged above the translatable sliding table,
the height of the sliding table capable of translating is higher than that of the horizontal sliding table, so that the sliding table capable of translating can move above the horizontal sliding table and the umbrella rib-shaped internal support mechanism can be inserted into the shell section.
Furthermore, a translatable frame is further arranged between the translatable sliding table and the bottom rack, the translatable frame moves on the bottom rack along a direction perpendicular to the horizontal sliding table base, and the translatable sliding table moves on the translatable frame along a direction perpendicular to the horizontal sliding table base.
Furthermore, the device further comprises an electric appliance control system, wherein a touch screen is arranged on the electric appliance control system, the touch screen can input the cylinder section information, and the related mechanisms can be controlled to automatically run through software.
The beneficial effects of the utility model reside in that:
1. the utility model discloses equipment is applicable to the thin wall barrel of different diameters, accomplishes after longitudinal joint welding and rewinding circle at the shell ring, carries the raceway and carries the shell ring the utility model discloses on the equipment, the utility model discloses equipment can carry out automatic team's assembly and automatic spot welding to the shell ring, and whole working process adopts the automatic completion of intelligent control, improves manufacturing efficiency, saves manufacturing cost.
2. The utility model discloses section circumferential weld assembly spot welding quality is superior to the manual assembly quality on the equipment, for satisfying plasma welding technique or deep melting TIG (or K-TIG) welding technique to longitudinal joint misalignment and clearance requirement, provides stable and reliable method.
Drawings
FIG. 1 is a schematic view of the structure of the apparatus of the present invention;
FIG. 2 is a schematic view of the structure of each mechanism on the horizontal sliding table base of the device of the present invention;
FIG. 3 is a schematic structural view of an umbrella rib-shaped inner supporting mechanism of the device of the present invention;
FIG. 4 is a schematic structural view of a support mechanism of an upper barrel section of the device of the present invention;
FIG. 5 is a schematic structural view of the upper cylindrical section pushing mechanism of the apparatus of the present invention;
FIG. 6 is a schematic structural view of a V-shaped conveying raceway capable of translating on the device of the present invention;
wherein: 1. a horizontal sliding table base; 1a, a rectangular bottom frame; 1b, linear guide rails; 1c, a rack; 2. a horizontal sliding table; 2a, a sliding table rack; 2b, a horizontal sliding table sliding block; 2c, a hydraulic station and an electric cabinet; 3. a horizontal sliding table driving mechanism; 4. lifting the sliding table upright post; 4a, a linear guide rail; 4b, a cross beam; 5. lifting the sliding table; 5a, lifting a sliding table slide block; 6. a lifting sliding table driving mechanism; 7. A rotation mechanism; 8. a rotation driving mechanism; 9. a cantilever hollow shaft; 10. an umbrella rib-shaped internal supporting mechanism; 10a, a hydraulic cylinder; 10b, a push-pull rod; 10c, an annular disc; 10d, ear plates; 10e, a chain plate; 10f, a planar thrust bearing; 10g, a guide groove; 10h, a strip-shaped sliding block; 10i, a lengthening arm; 10j, a top supporting plate; 10k, a movable disc; 11. a shell ring supporting mechanism; 11a, a long shaft is supported by the shell section; 11b, a support and a bearing; 11c, a shell ring supporting wheel; 11d, a sliding table capable of translating; 11e, an intermediate riding wheel; 11f, plane sliding support; 12. an automatic aligning driving mechanism; 13. the shell ring supports the base; 14. a triangular linear guide rail and a slide block; 15. a shell ring jacking wheel mechanism; 15a, driving an oil cylinder; 15b, a shaft sleeve; 15c, jacking rollers and shafts; 16. a shell ring pushing mechanism; 16a, a base; 16b, a linear guide rail pair; 16c, a rack; 16d, a sliding table; 16e, a slide table driving mechanism; 16f, a pushing arm; 17. a length-adjustable baffle; 18. a robotic stitch welding system; 18a, spot welding robot; 18b, a horizontal movement axis; 19. a V-shaped conveying driving roller path; 19a, a V-shaped roller; 19b, a V-shaped roller driving mechanism; 20. the V-shaped conveying roller path can be translated; 20a, a translatable frame; 20b, a translatable slide table; 20c, a bottom frame; 20d, a translation driving mechanism; 20e, linear guide rails; 20f, a rack; 21. a cylindrical shell section.
Detailed Description
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific embodiments. The present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art, and the present invention will only be defined by the appended claims.
As shown in fig. 1-6, an automatic assembling and spot welding device for a pressure vessel shell ring seam comprises a horizontal sliding table base 1, a shell ring supporting base 13 arranged at the front end and a shell ring conveying mechanism arranged on the side surface.
The shell ring conveying mechanism conveys the shell ring 21 positioned on the shell ring conveying mechanism to the upper part of the front end of the horizontal sliding table base 1.
The horizontal sliding table base 1 is provided with a horizontal sliding table 2 which can slide linearly thereon, the front end of the horizontal sliding table 2 is provided with a lifting sliding table upright post 4 which is of a gantry structure, and the lifting sliding table upright post 4 is provided with a lifting sliding table 5 which can slide vertically thereon.
Specifically, horizontal slip table base 1 installs in subaerial, it constitutes including the rectangle underframe 1a that is formed by steel sheet or shaped steel welding, linear guide 1b is installed to rectangle underframe 1a upper surface both sides, rack 1c is installed to the centre, horizontal slip table 2 includes slip table frame 2a, horizontal slip table slider 2b is installed at four angles of slip table frame 2a lower surface, horizontal slip table slider 2b slides on linear guide 1b, horizontal slip table actuating mechanism 3 is installed in the middle of horizontal slip table 2 front end, hydraulic pressure station and electric cabinet 2c are installed respectively to horizontal slip table 2 middle and back, horizontal slip table actuating mechanism 3 is preferred to be for containing servo drive motor, the structure of planetary gear reducer and gear, horizontal slip table 2 slides on horizontal slip table base 1 at horizontal slip table actuating mechanism 3's drive down the straight line. Lifting sliding table stand 4 sets up in horizontal sliding table 2 upper surface front end, and horizontal sliding table 2's slip drives lifting sliding table stand 4 and slides. Install linear guide 4a on two vertical stands of lift slip table stand 4, the top is crossbeam 4c, horizontal installation has lift slip table 5 between two vertical stands of lift slip table stand 4, lift slip table 5 both sides are equipped with four lift slip table slider 5a, lift slip table slider 5a slides from top to bottom on linear guide 4a, install lift slip table actuating mechanism 6 on lift slip table stand 4's the crossbeam 4c, lift slip table actuating mechanism 6 is preferred for containing servo drive motor, the worm gear speed reducer, the change-over gear case, the structure of lift drive screw, lift slip table 5 slides from top to bottom on lift slip table stand 4 under lift slip table actuating mechanism 6's drive.
An umbrella rib-shaped internal supporting mechanism 10 is installed on the lifting slipway 5, and the umbrella rib-shaped internal supporting mechanism 10 can extend into the cylindrical shell section 21.
The shell ring supporting base 13 is provided with a shell ring supporting mechanism 11 for supporting a shell ring 21, and the rib-shaped internal supporting mechanism 10 is matched with the sliding of the horizontal sliding table 2 and the lifting of the lifting sliding table 5 to convey the shell ring 21 above the horizontal sliding table base 1 to the shell ring supporting mechanism 11 on the shell ring supporting base 13.
The front end of the lifting sliding table 5 is provided with an adjustable length baffle 17, and the adjustable length baffle 17 pushes the cylinder section 21 in front to advance so as to eliminate the circular seam gap of the cylinder section. According to the length of the shell ring 21, the distance between the adjustable length baffle 17 and the front end of the lifting sliding table 5 can be adjusted, so that the relative distance between the adjustable length baffle 17 and the umbrella rib-shaped internal supporting mechanism 10 is adjusted, and when the front end of the adjustable length baffle 17 props against the shell ring 21, the umbrella rib-shaped internal supporting mechanism 10 can stretch into the shell ring 21 to reach the position of a shell ring circumferential weld.
Preferably, the adjustable length stop 17 may be a cylindrically guided telescopic and bolted locking arrangement or may be other length adjustable arrangements.
The shell ring supporting base 13 is provided with a shell ring pushing mechanism 16, and the shell ring pushing mechanism 16 pushes the other end of the shell ring 21 to further eliminate the gap of the shell ring circular seam.
The lifting sliding table 5 is further provided with a hydraulic cylinder 10a and a rotary driving mechanism 8, the hydraulic cylinder 10a drives the rib-shaped internal supporting mechanism 10 to open, two barrel sections 21 at the circular seam position are internally supported, the misalignment in the wall thickness direction of the barrel sections 21 is eliminated, and the rotary driving mechanism 8 drives the rib-shaped internal supporting mechanism 10 to rotate to drive the circular seam of the barrel sections 21 to rotate and shift.
And a robot automatic spot welding system 18 is arranged on one side of the shell ring supporting base 13, and the robot automatic spot welding system 18 performs automatic spot welding on the shell ring seam.
Furthermore, the rib-shaped internal supporting mechanism 10 comprises an annular disc 10c, a plurality of guide grooves 10g are radially arranged on the annular disc 10c, elongated sliding blocks 10h are arranged in the guide grooves 10g, elongated arms 10i with adjustable relative positions are arranged on the elongated sliding blocks 10h, a top supporting plate 10j is arranged at the tail ends of the elongated arms 10i, lug plates 10d are connected on the elongated sliding blocks 10h, chain plates 10e are hinged on the lug plates 10d through pin shafts, the other ends of the chain plates 10e are hinged with the lug plates 10d on the movable disc 10k through the pin shafts, push-pull rods 10b are arranged at the centers of the movable disc 10k, a plane thrust bearing 10f is arranged between the movable disc 10k and the push-pull rod 10b, the tail end of the push-pull rod 10b is connected with a hydraulic cylinder 10a, and the hydraulic cylinder 10a drives the push-pull rod 10b to move axially, so that a top supporting plate 10j on the rib-shaped internal supporting mechanism 10 is driven to open and close. The relative position of the extension arm 10i and the elongated slider 10h is adjusted, so that the length of the inner support arm can be changed, and the inner support arm is suitable for inner supports of cylinders with different diameters.
Specifically, a key is installed at the tail end of the push-pull rod 10b, the hydraulic cylinder 10a is installed on a hydraulic cylinder installation support, the hydraulic cylinder installation support is connected with the rear end of the lifting sliding table 5 through a bolt, a hole and a key groove are formed in the hydraulic cylinder installation support, the push-pull rod 10b can only move axially after penetrating through the hydraulic cylinder installation support, and the tail end of the push-pull rod 10b is connected with a piston rod of the hydraulic cylinder 10a through a joint.
Furthermore, a rotating mechanism 7 is arranged in the middle of the front end of the lifting sliding table 5, a cantilever hollow shaft 9 is arranged on the rotating mechanism 7, and the other end of the cantilever hollow shaft 9 is connected with an annular disc 10c of the rib-shaped internal support mechanism 10.
Preferably, the rotating mechanism 7 comprises a hollow shaft, a front end flange, tapered roller bearings, a bearing gland and a gearwheel, the front end of the hollow shaft is of a flange structure, two ends of the hollow shaft are connected with the lifting sliding table 5 through the two tapered roller bearings, the bearings are pressed by the bearing gland, and the gearwheel is mounted at the rear end of the hollow shaft. One end of the cantilever hollow shaft 9 is connected with a flange on the middle hollow shaft of the rotating mechanism 7 through a flange, and the other end of the cantilever hollow shaft is connected with the annular disc 10 c.
The rotary driving mechanism 8 and the hydraulic cylinder 10a are both arranged at the rear end of the lifting sliding table 5, and the rotary driving mechanism 8 drives the rotary mechanism 7 to rotate, so that the top supporting plate 10j of the rib-shaped internal supporting mechanism 10 is driven to rotate. The rotation driving mechanism 8 preferably includes a servo driving motor, a planetary gear reducer, and a gear.
The hydraulic cylinder 10a passes through the rotating mechanism 7 and the hollow cantilever shaft 9 through the push-pull rod 10b and is connected with the umbrella rib-shaped internal support mechanism 10 to drive the umbrella rib-shaped internal support mechanism 10 to open and close.
Furthermore, the shell ring supporting mechanism 11 includes two sliding tables 11d which are symmetrically arranged along the length direction, the shell ring supporting base 13 is further provided with an automatic aligning driving mechanism 12, and the automatic aligning driving mechanism 12 drives the sliding tables 11d to symmetrically open and close relative to the central line.
The sliding table 11d capable of translating is provided with a shell ring supporting long shaft 11a, a plurality of shell ring supporting wheels 11c are uniformly distributed on the shell ring supporting long shaft 11a, and the shell ring supporting wheels 11c support the shell ring 21. Preferably, a plurality of intermediate riding wheels 11e are arranged below the long shaft 11a of the shell section support, and the intermediate riding wheels 11e are fixed on the translatable sliding table 11 d.
Specifically, both ends of the shell section support long shaft 11a are supported by using a support and a bearing 11b, and the support and the bearing 11b are mounted on a translatable slide table 11 d. Triangular linear guide rails and sliders 14 are installed below two ends of the translatable sliding table 11d, a screw double-nut pair is further installed on the translatable sliding table 11d, the automatic aligning driving mechanism 12 is preferably of a structure containing a servo driving motor, a planetary gear reducer and the screw double-nut pair, a screw of the automatic aligning driving mechanism 12 is connected with the translatable sliding table 11d, and the automatic aligning driving mechanism 12 drives the translatable sliding table 11d to symmetrically open and close relative to a central line.
A planar sliding support 11f is mounted between the shell section support base 13 and the translatable slide table 11 d. The self-aligning driving mechanism 12 can drive the long shaft 11a of the shell section support to symmetrically open and close relative to the central line.
Furthermore, the shell ring pushing mechanism 16 is arranged between the two shell ring support long shafts 11a, the shell ring pushing mechanism 16 includes a sliding table 16d which is arranged on the shell ring support base 13 and can slide linearly on the shell ring support base 13 along the length direction, a sliding table driving mechanism 16e and a pushing arm 16f are arranged on the sliding table 16d, the sliding table driving mechanism 16e drives the pushing arm 16f to move back and forth, and the pushing arm 16f applies pushing force to the shell ring 21 on the shell ring support wheel 11 c.
Specifically, the shell ring pushing mechanism 16 includes a strip-shaped base 16a, the base 16a is disposed at a middle position of an upper surface of a rear end of the shell ring supporting base 13 along a length direction of the shell ring supporting base 13, linear guide rail pairs 16b are mounted on two sides of the upper surface of the base 16a, and a rack 16c is mounted in the middle of the upper surface of the base 16a, the sliding table 16d is connected with a slider, a sliding table driving mechanism 16e is mounted on the sliding table 16d, the sliding table driving mechanism 16e is preferably of a structure including a driving motor, a planetary gear reducer and a gear, the sliding table 16d slides on the base 16a under the driving of the sliding table driving mechanism 16e, so as to drive a pushing arm 16f on the sliding table 16d to move back and forth, and the pushing arm 16f can apply a pushing force to a shell ring 21 on the shell ring supporting wheel 11 c.
Furthermore, a plurality of shell ring jacking wheel mechanisms 15 are uniformly distributed on the shell ring supporting long shaft 11a, each shell ring jacking wheel mechanism 15 comprises a shaft sleeve 15b capable of rotating around the shell ring supporting long shaft 11a, one end of each shaft sleeve 15b is connected with a driving oil cylinder 15a, each driving oil cylinder 15a drives each shaft sleeve 15b to rotate, a jacking roller and a shaft 15c are mounted at the other end of each shaft sleeve 15b, and each shaft sleeve 15b drives each jacking roller and each shaft 15c to rotate to lift the shell ring 21 when rotating so as to enable the shell ring to be separated from the shell ring supporting wheel 11c, and the shell ring 21 can move longitudinally conveniently at the moment.
Specifically, a lug plate is arranged on the shaft sleeve 15b and is hinged with the end part of a piston rod of the driving oil cylinder 15a, and the driving oil cylinder 15a is arranged on an oil cylinder support on the translational sliding table 11 d.
Further, the robot stitch welding system 18 includes a horizontal moving shaft 18b parallel to the shell ring support base 13 and a spot welding robot 18a movable on the horizontal moving shaft 18b, the spot welding robot 18a preferably performs stitch welding of the shell ring seam using argon arc welding.
Furthermore, the shell section conveying mechanism comprises a V-shaped conveying driving roller path 19 and a translatable V-shaped conveying roller path 20 connected with the V-shaped conveying driving roller path 19, the V-shaped conveying driving roller path 19 is arranged in parallel with the horizontal sliding table base 1, the V-shaped conveying driving roller path 19 comprises a plurality of V-shaped rollers 19a and a V-shaped roller driving mechanism 19b, the central axis of the shell section 21 is parallel with the horizontal sliding table base 1 and is placed on the V-shaped rollers 19a, the V-shaped roller driving mechanism 19b drives the V-shaped rollers 19a to rotate so as to drive the shell section 21 to move forwards,
the translatable V-shaped conveying raceway 20 comprises a bottom rack 20c perpendicular to the horizontal sliding table base 1, a translatable sliding table 20b arranged on the bottom rack 20c, and a translatable driving mechanism 20d, wherein the translatable driving mechanism 20d drives the translatable sliding table 20b to move on the bottom rack 20c along the direction perpendicular to the horizontal sliding table base 1, and an extension section of the V-shaped conveying driving raceway 19 connected with the V-shaped conveying driving raceway 19 is arranged above the translatable sliding table 20 b.
Preferably, the V-shaped conveying drive race 19 is driven by a motor, a planetary gear reducer, a sprocket, and a chain.
The height of the translatable slide table 20b above the horizontal slide table 2 enables the translatable slide table 20b to be moved above the horizontal slide table 2 and enables the rib-like internal support mechanism 10 to be inserted into the boss section 21.
Further, a translatable frame 20a is further provided between the translatable slide table 20b and the bottom chassis 20c, the translatable frame 20a moves on the bottom chassis 20c in a direction perpendicular to the horizontal slide table base 1, and the translatable slide table 20b moves on the translatable frame 20a in a direction perpendicular to the horizontal slide table base 1.
Specifically, four sliding blocks are arranged at four corners of the lower surface of the translatable sliding table 20b, a linear guide 20e and a rack 20f are mounted on the upper surface of the translatable frame 20a, the sliding blocks on the translatable sliding table 20b are matched with the linear guide 20e, a translatable driving mechanism 20d is mounted on the translatable sliding table 20b, the translatable driving mechanism 20d preferably has a structure including a driving motor, a planetary gear reducer and a gear, and the translatable sliding table 20b slides on the translatable frame 20a under the driving of the translatable driving mechanism 20 d.
Four sliding blocks are arranged at four corners of the lower surface of the translatable frame 20a, a linear guide rail 20e and a rack 20f are mounted on the upper surface of the bottom rack 20c, the sliding blocks on the translatable frame 20a are matched with the linear guide rail 20e, a translating driving mechanism 20d is mounted on the bottom rack 20c, the translating driving mechanism 20d preferably has a structure comprising a driving motor, a planetary gear reducer and a gear, and the translatable frame 20a slides on the bottom rack 20c under the driving of the translating driving mechanism 20 d. An extension section of the V-shaped conveying driving raceway 19 connected with the V-shaped conveying driving raceway 19 is arranged above the translatable sliding table 20b, so that the barrel section 21 can be directly conveyed to the position of the central line above the front end of the horizontal sliding table base 1 by the translatable sliding table 20 b.
Furthermore, the device further comprises an electric appliance control system, the electric appliance control system is installed near the device, a touch screen is arranged on the electric appliance control system, the cylinder section information can be input through the touch screen, and the relevant mechanisms can be controlled to automatically run through software.
In the present application, the drive cylinder 15a and the hydraulic cylinder 10a may be replaced with cylinder drives.
The working process is as follows: the working process of the equipment comprises the following steps:
s1, inputting the length, diameter and wall thickness information of the shell ring 21 on the touch screen, adjusting the working position of the length-adjustable baffle 17 according to the length of the shell ring 21 to enable the top support plate 10j to be positioned in the middle of the shell ring seam, driving the shell ring support wheel 11c to be opened to the optimal position by the automatic aligning driving mechanism 12 to adapt to the support of shell rings 21 with different diameters, and driving the lifting sliding table 5 to reach the central position of the shell ring 21 by the lifting sliding table driving mechanism 6;
s2: the barrel section 21 is conveyed to the translational V-shaped conveying roller path 20 by the V-shaped conveying driving roller path 19, the translational driving mechanism 20d on the translational V-shaped conveying roller path 20 drives the translational frame 20a and the translational sliding table 20b to translate simultaneously, and the barrel section 21 is conveyed to the position of the central line above the front end of the horizontal sliding table base 1;
s3: the horizontal sliding table driving mechanism 3 drives the horizontal sliding table 2 to move forward, the rib-shaped inner support mechanism 10 extends to the middle of the barrel section 21, the lifting sliding table 5 supports the barrel section 21 to ascend, so that the barrel section 21 is separated from the translational V-shaped conveying raceway 20, the translational V-shaped conveying raceway 20 is reset to withdraw, the horizontal sliding table driving mechanism 3 drives the horizontal sliding table 2 to move forward, the barrel section 21 is sent to the position above the barrel section supporting wheel 11c, the lifting sliding table 5 descends, the barrel section 21 falls on the barrel section supporting wheel 11c, and the loading process of the barrel section 21 can be completed by repeating the actions;
s4: after the barrel section 21 finishes feeding, the horizontal sliding table driving mechanism 3 drives the horizontal sliding table 2 to advance, the adjustable length baffle 17 at the front end of the lifting sliding table 5 pushes the barrel section 21 to advance until a gap between the lifting sliding table and the barrel section 21 is eliminated, the sliding table driving mechanism 16e is started, the pushing arm 16f on the driving sliding table 16d moves forwards to push the barrel section 21, and the circular seam gap is further eliminated;
s5: starting a hydraulic cylinder 10a to drive the rib-shaped internal support mechanism 10 to open, and internally supporting the two cylinder sections 21 at the annular seam part by using a top support plate 10j to eliminate the staggered edges in the wall thickness direction of the cylinder sections 21;
s6: starting a rotary driving mechanism 8 on the lifting sliding table 5 to drive an umbrella rib-shaped inner support mechanism 10 to rotate, so as to drive the circular seam of the shell ring 21 to rotate and shift, starting a robot automatic spot welding system 18 to implement automatic spot welding, repeating the processes to complete uniform spot welding of the circular seam of the shell ring 21 along the circumferential direction, wherein the spot welding length and the spot welding spacing distance can be preset;
s7: after spot welding of the circumferential seams of the shell ring 21 is completed, the hydraulic cylinder 10a is started to drive the rib-shaped internal support mechanism 10 to reset, the horizontal sliding table driving mechanism 3 is started to drive the horizontal sliding table 2 to retreat until the rib-shaped internal support mechanism 10 reaches the outer side of the port of the shell body 21, the shell ring jacking wheel mechanism 15 is started, the driving oil cylinder 15a drives the shaft sleeve 15b to rotate to drive the jacking roller and the shaft 15c to rotate, the shell ring 21 is lifted up to be separated from the shell ring support wheel 11c, then the hydraulic cylinder 10a is started to drive the rib-shaped internal support mechanism 10 to open, the horizontal sliding table driving mechanism 3 is started to drive the horizontal sliding table 2 and the rib-shaped internal support mechanism 10 to advance, the shell ring 21 is pushed to advance, a vacant position is reserved for the next shell ring 21, then the shell ring jacking wheel mechanism 15 is reset, and the shell ring 21 falls onto the shell ring support wheel 11 c.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. The utility model provides an automatic group of pressure vessel shell ring joint circumferential weld assembles and automatic spot welding equipment which characterized in that: comprises a horizontal sliding table base (1), a shell ring supporting base (13) arranged at the front end and a shell ring conveying mechanism arranged on the side surface,
the shell ring conveying mechanism conveys the shell ring (21) positioned on the shell ring conveying mechanism to the upper part of the front end of the horizontal sliding table base (1);
the horizontal sliding table base (1) is provided with a horizontal sliding table (2) which can slide linearly on the horizontal sliding table base, the front end of the horizontal sliding table (2) is provided with a lifting sliding table upright post (4) with a gantry structure, the lifting sliding table upright post (4) is provided with a lifting sliding table (5) which can slide up and down on the lifting sliding table upright post, the lifting sliding table (5) is provided with an umbrella rib-shaped internal supporting mechanism (10), and the umbrella rib-shaped internal supporting mechanism (10) can extend into the cylinder section (21),
a shell ring supporting mechanism (11) for supporting the shell ring (21) is arranged on the shell ring supporting base (13), and the rib-shaped internal supporting mechanism (10) is matched with the sliding of the horizontal sliding table (2) and the lifting of the lifting sliding table (5) to convey the shell ring (21) above the horizontal sliding table base (1) to the shell ring supporting mechanism (11) on the shell ring supporting base (13);
an adjustable length baffle (17) is installed at the front end of the lifting sliding table (5), the adjustable length baffle (17) pushes the shell ring (21) located in front to advance to eliminate the shell ring circumferential weld gap, a shell ring pushing mechanism (16) is installed on the shell ring supporting base (13), the shell ring pushing mechanism (16) pushes the other end of the shell ring (21) to further eliminate the shell ring circumferential weld gap,
the lifting sliding table (5) is further provided with a hydraulic cylinder (10a) and a rotary driving mechanism (8), the hydraulic cylinder (10a) drives the rib-shaped internal support mechanism (10) to open, two barrel sections (21) at the circumferential seam position are internally supported, the misalignment in the wall thickness direction of the barrel sections (21) is eliminated, and the rotary driving mechanism (8) drives the rib-shaped internal support mechanism (10) to rotate to drive the circumferential seam of the barrel sections (21) to rotate and displace;
and a robot automatic spot welding system (18) is installed on one side of the shell ring supporting base (13), and the robot automatic spot welding system (18) performs automatic spot welding on the shell ring seam.
2. The automatic assembling and spot welding equipment for the cylindrical shell ring seam of the pressure container according to claim 1, wherein: the umbrella rib-shaped internal supporting mechanism (10) comprises an annular disc (10c), a plurality of guide grooves (10g) are radially arranged on the annular disc (10c), an elongated slider (10h) is arranged in each guide groove (10g), an elongated arm (10i) with an adjustable relative position is arranged on each elongated slider (10h), a top supporting plate (10j) is arranged at the tail end of each elongated arm (10i), an ear plate (10d) is connected onto each elongated slider (10h), a chain plate (10e) is hinged onto each ear plate (10d) through a pin shaft, the other end of each chain plate (10e) is hinged to the ear plate (10d) on the movable disc (10k) through a pin shaft, a push-pull rod (10b) is arranged at the center of the movable disc (10k), and the tail end of the push-pull rod (10b) is connected with the hydraulic cylinder (10a), the hydraulic cylinder (10a) drives the push-pull rod (10b) to move axially, so that the top supporting plate (10j) on the umbrella rib-shaped internal supporting mechanism (10) is driven to open and close.
3. The automatic assembling and spot welding equipment for the cylindrical shell ring seam of the pressure container as claimed in claim 2, wherein: a rotating mechanism (7) is arranged in the middle of the front end of the lifting sliding table (5), a cantilever hollow shaft (9) is arranged on the rotating mechanism (7), the other end of the cantilever hollow shaft (9) is connected with the annular disc (10c) of the rib-shaped internal supporting mechanism (10),
the rotary driving mechanism (8) and the hydraulic cylinder (10a) are arranged at the rear end of the lifting sliding table (5), the rotary driving mechanism (8) drives the rotary mechanism (7) to rotate, so that the jacking plate (10j) of the rib-shaped internal supporting mechanism (10) is driven to rotate,
the hydraulic cylinder (10a) penetrates through the rotating mechanism (7) and the cantilever hollow shaft (9) through the push-pull rod (10b) and is connected with the umbrella rib-shaped internal support mechanism (10) to drive the umbrella rib-shaped internal support mechanism (10) to open and close.
4. The automatic assembling and spot welding equipment for the cylindrical shell ring seam of the pressure container according to claim 1, wherein: the shell ring supporting mechanism (11) comprises two translational sliding tables (11d) which are symmetrically arranged along the length direction, an automatic aligning driving mechanism (12) is further arranged on the shell ring supporting base (13), the automatic aligning driving mechanism (12) drives the translational sliding tables (11d) to be symmetrically opened and closed relative to a central line,
but be equipped with shell ring support major axis (11a) on translation slip table (11d), the equipartition has a plurality of shell ring supporting wheel (11c) on shell ring support major axis (11a), shell ring supporting wheel (11c) support shell ring (21).
5. The automatic assembling and spot welding equipment for the cylindrical shell ring seam of the pressure container as claimed in claim 4, wherein: shell ring pushing mechanism (16) set up in two in the middle of shell ring support major axis (11a), shell ring pushing mechanism (16) including set up in on shell ring support base (13) and can along length direction rectilinear sliding's slip table (16d) on shell ring support base (13), install slip table actuating mechanism (16e) and push away arm (16f) on slip table (16d), slip table actuating mechanism (16e) drive push away arm (16f) back-and-forth movement, push away arm (16f) to be located on shell ring supporting wheel (11c) thrust is applyed in shell ring (21).
6. The automatic assembling and spot welding equipment for the cylindrical shell ring seam of the pressure container as claimed in claim 4, wherein: still the equipartition has a plurality of shell ring jacking wheel mechanisms (15) on shell ring support major axis (11a), shell ring jacking wheel mechanism (15) are including can winding the rotatory axle sleeve (15b) of shell ring support major axis (11a), drive cylinder (15a) is connected to axle sleeve (15b) one end, drive cylinder (15a) drive axle sleeve (15b) are rotatory, jacking gyro wheel and axle (15c) are installed to axle sleeve (15b) other end, drive when axle sleeve (15b) is rotatory jacking gyro wheel and axle (15c) are rotatory will shell ring (21) hold up.
7. The automatic assembling and spot welding equipment for the cylindrical shell ring seam of the pressure container according to claim 1, wherein: the robot automatic spot welding system (18) comprises a horizontal moving shaft (18b) parallel to the shell ring supporting base (13) and a spot welding robot (18a) capable of moving on the horizontal moving shaft (18b), wherein the spot welding robot (18a) performs automatic spot welding on the shell ring seam.
8. The automatic assembling and spot welding equipment for the cylindrical shell ring seam of the pressure container according to claim 1, wherein: the shell ring conveying mechanism comprises a V-shaped conveying driving raceway (19) and a translatable V-shaped conveying raceway (20) connected with the V-shaped conveying driving raceway, the V-shaped conveying driving raceway (19) is parallel to the horizontal sliding table base (1) in arrangement, the V-shaped conveying driving raceway (19) comprises a plurality of V-shaped rollers (19a) and a V-shaped roller driving mechanism (19b), the central shaft of the shell ring (21) is parallel to the horizontal sliding table base (1) and placed on the V-shaped rollers (19a), the V-shaped roller driving mechanism (19b) drives the V-shaped rollers (19a) to rotate so as to drive the shell ring (21) to move forwards,
the translatable V-shaped conveying raceway (20) comprises a bottom rack (20c) perpendicular to the horizontal sliding table base (1), a translatable sliding table (20b) arranged on the bottom rack (20c) and a translatable driving mechanism (20d), the translatable driving mechanism (20d) drives the translatable sliding table (20b) to move on the bottom rack (20c) along the direction perpendicular to the horizontal sliding table base (1), an extension section of the V-shaped conveying driving raceway (19) and connected with the V-shaped conveying driving raceway (19) are arranged above the translatable sliding table (20b),
the height of the sliding table (20b) capable of translating is higher than that of the horizontal sliding table (2), so that the sliding table (20b) capable of translating can move above the horizontal sliding table (2) and the rib-shaped internal support mechanism (10) can be inserted into the barrel section (21).
9. The automatic assembling and spot welding equipment for the cylindrical shell ring seam of the pressure vessel as claimed in claim 8, wherein: a translatable frame (20a) is further arranged between the translatable sliding table (20b) and the bottom rack (20c), the translatable frame (20a) moves on the bottom rack (20c) along a direction perpendicular to the horizontal sliding table base (1), and the translatable sliding table (20b) moves on the translatable frame (20a) along a direction perpendicular to the horizontal sliding table base (1).
10. The automatic assembling and spot welding equipment for the cylindrical shell ring seam of the pressure container according to claim 1, wherein: the device is characterized by further comprising an electric appliance control system, wherein a touch screen is arranged on the electric appliance control system, the touch screen can input the cylinder section information, and the related mechanisms can be controlled to automatically run through software.
CN202022951957.8U 2020-12-11 2020-12-11 Automatic assembly and automatic spot welding equipment for annular seams of pressure vessel shell sections Active CN214640946U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114289922A (en) * 2021-12-31 2022-04-08 北京博清科技有限公司 Welding control method, control device, processor and welding system
CN115592334A (en) * 2022-11-28 2023-01-13 淄博太极工业搪瓷有限公司(Cn) Welding device for welding inner barrel of glass lining reaction kettle
CN116000553A (en) * 2023-03-24 2023-04-25 成都焊研威达科技股份有限公司 Cylinder horizontal internal expansion assembling and welding special machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114289922A (en) * 2021-12-31 2022-04-08 北京博清科技有限公司 Welding control method, control device, processor and welding system
CN114289922B (en) * 2021-12-31 2024-04-09 北京博清科技有限公司 Welding control method, control device, processor and welding system
CN115592334A (en) * 2022-11-28 2023-01-13 淄博太极工业搪瓷有限公司(Cn) Welding device for welding inner barrel of glass lining reaction kettle
CN116000553A (en) * 2023-03-24 2023-04-25 成都焊研威达科技股份有限公司 Cylinder horizontal internal expansion assembling and welding special machine

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