CN110181190B - Barrel inner support ring and barrel assembly complete system device and production process thereof - Google Patents
Barrel inner support ring and barrel assembly complete system device and production process thereof Download PDFInfo
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- CN110181190B CN110181190B CN201910602197.9A CN201910602197A CN110181190B CN 110181190 B CN110181190 B CN 110181190B CN 201910602197 A CN201910602197 A CN 201910602197A CN 110181190 B CN110181190 B CN 110181190B
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- 238000004519 manufacturing process Methods 0.000 title abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 140
- 238000004513 sizing Methods 0.000 claims abstract description 38
- 230000005484 gravity Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 2
- 230000003014 reinforcing effect Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a complete system device for assembling a supporting ring and a cylinder in a cylinder and a production process thereof, comprising a positioner, wherein a rotary disk, a support frame and a sizing device are sequentially arranged on the positioner; elevators are symmetrically arranged on two sides of the positioner, a symmetrical first track is arranged at the front end of the positioner, and a plurality of groups of walking roller frames are arranged on the first track; the welding operation machine is positioned on a second track parallel to the first track; the sizing device is driven by the first oil cylinder to radially move, the sizing device is circularly supported from the inside of the cylinder, the annular rib plate is preassembled into the inside of the cylinder in a stepping mode, and then the cylinder and the annular rib plate are welded by a welding operation machine; and on the same position changing machine and sizing device, the cylinder group is obtained by adopting a welding operation machine to weld together with the walking roller frame. The invention realizes high-precision welding between the cylinder and the annular rib plate in the cylinder and between the cylinder and the cylinder, effectively ensures the strength and the precision of the final cylinder group and has high production efficiency.
Description
Technical Field
The invention relates to the technical field of welding application of thin-wall cylinders, in particular to a cylinder inner supporting ring and cylinder assembly complete system device and a production process thereof.
Background
The large thin-wall cylinder part is widely applied in the mechanical industry, can be used for shells of ship machinery, water pumps, boilers and container products, and can also be used as a large pipeline part; the overall strength of the thin-walled cylinder is typically reinforced by welding an annular reinforcing rib structure to the inner wall of the cylinder.
In the prior art, large thin-wall cylinders are mostly manufactured by rolling, and the obtained cylinders can generate certain deformation due to the characteristics of the large thin-wall cylinders, and the cross sections of the large thin-wall cylinders are in elliptical structures; the outer circumferential dimension of the reinforcing rib can be produced by machining, so that the reinforcing rib is easy to ensure, the reinforcing rib needs to have the effect of reinforcing strength after being welded with the cylinder, and in order to obtain good welding quality, gaps between the reinforcing rib and the cylinder during welding need to be uniform and cannot be oversized; therefore, the roundness of the thin-walled cylinder is required.
In the prior art, the roundness of a large thin-wall cylinder body is shaped before welding, and certain precision requirements are controlled, so that the shaping is difficult, and no good mode exists.
Disclosure of Invention
Aiming at the defects in the prior art, the applicant provides a cylinder inner supporting ring and cylinder assembly complete system device with reasonable structure and a production process thereof, thereby realizing high-precision welding of reinforcing ribs in a large thin-wall cylinder, a cylinder and a cylinder, effectively ensuring the strength of the cylinder and having high production efficiency.
The technical scheme adopted by the invention is as follows:
the system device comprises a positioner, a rotary disk is arranged on a working platform of the positioner, a sizing device is arranged on the rotary disk through a support frame, an oil cylinder I is arranged in the support frame positioned in the center of the rotary disk, and the sizing device is driven by the oil cylinder I to perform radial expansion and contraction movements; the two sides of the position changing machine are symmetrically provided with lifters, the front end of the position changing machine is provided with symmetrical first rails, and a plurality of groups of paired walking roller frames are commonly arranged on the first rails; the welding machine is positioned on a second track parallel to the first track.
As a further improvement of the above technical scheme:
the sizing device has the structure that: the device comprises a pull rod arranged at the output end of an oil cylinder, wherein the pull rod upwards passes through a support frame, and a plurality of T-shaped keys I are radially and uniformly distributed on the upper plane of the support frame by taking the pull rod as the center; an inverted cone is arranged on the outer circumferential surface of the pull rod, and a plurality of die holders are arranged on the outer circumferential surface of the cone through uniformly distributed T-shaped keys II; the die holder corresponds to the T-shaped keys one by one, and a first sliding block moving along the first T-shaped key is fixedly arranged at the bottom of the die holder; the outer side surface of the single die holder is fixedly provided with a second oil cylinder, the output end of the second oil cylinder is fixedly provided with a die with an arc structure, and the bottom of the die is fixedly provided with a second sliding block moving along the first T-shaped key; the arc-shaped outer side surfaces of the plurality of dies are positioned on the same circumferential surface.
The position changing machine is driven by a motor, a speed reducer is arranged at the output end of the motor, and the speed reducer drives a semicircular gear to rotate through multi-stage gear transmission; the upper plane of the semicircular gear is a working platform of the positioner.
The structure of the lifter is as follows: the device comprises a screw rod in the vertical direction, a sliding block assembly is mounted on the screw rod in a matched mode, and a supporting block is fixedly mounted on the side face of the sliding block assembly; the supporting blocks on the two lifters are spatially positioned on the same horizontal plane and jointly support the cylinder; and the top of the screw rod is provided with a lifting driving assembly, and the sliding block assembly moves up and down along the screw rod under the action of the lifting driving assembly.
The structure of the single-group walking roller frame is as follows: the device comprises a connecting rod, wherein two ends of the side surface of the connecting rod are respectively provided with a moving assembly, the moving assemblies are connected with a first track in a matching way, and the moving assemblies move along the first track under the drive of a walking driving device; two ends of the upper plane of the connecting rod are respectively provided with a first idler wheel, one of the first idler wheels rotates under the drive of a speed reducing motor, and the other idler wheel is a driven wheel; the first idler wheels respectively move along the connecting rod through screw rod transmission to realize centering, and the second idler wheels share the supporting cylinder body.
The central axis of the roller I is parallel to the rail I.
The welding manipulator has the structure that: the welding machine comprises a welding machine base, wherein two ends of the bottom of the welding machine base are respectively provided with a sliding body which is matched with a second track and moves along the second track; the middle part of the upper surface of the welding machine base is provided with a welding machine body through a turntable, and the turntable drives the welding machine body to rotate relative to the welding machine base under the drive of a turntable motor; a welding arm vertical to the welding machine body is arranged on the welding machine body, and the welding arm moves up and down along the welding machine body under the drive of a vertical motor; the end part of the welding arm is provided with a welding head, and the welding head is driven by a horizontal motor to do telescopic action in a horizontal plane relative to the welding machine body along with the welding arm.
The welding manipulator is characterized by further comprising a fixed roller frame arranged on the side edge of the welding manipulator, wherein the fixed roller frame is composed of four uniformly distributed supporting components, each supporting component comprises a roller II, the four roller II jointly support the cylinder body, one roller II is driven by a motor to rotate, and the other three roller II is a driven wheel.
A production process for assembling a complete system device by utilizing the inner support ring of the cylinder and the cylinder comprises the following steps:
the first step: preparing a cylinder body and an annular rib plate to be assembled; the cylinder body is of a large-diameter thin-wall structure, and the section of the annular rib plate is of a T-shaped structure; resetting the first oil cylinder and the second oil cylinder, wherein the mold is in a contracted state; the working platform of the positioner is in a horizontal state;
and a second step of: placing a cylinder body on the two lifters, wherein the cylinder body is axially vertical and the bottom of the cylinder body is supported by the two supporting blocks, and the sizing device is positioned at an upper opening in the cylinder body;
and a third step of: the cylinder body is supported, the first oil cylinder works, the pull rod is pulled downwards, the cone moves axially downwards along with the pull rod, so that the die holder equally divided on the cone moves radially outwards along the T-shaped key through the first sliding block, and the second oil cylinder and the die move radially outwards along with the die holder; the dies all move outwards along the radial direction and are in an open state, so that the opening position above the cylinder body is rounded from the inside;
fourth step: placing an annular rib plate, horizontally hoisting the annular rib plate to an opening above the cylinder body through a hoisting device, and falling the annular rib plate into the opening of the cylinder body under the action of gravity and being positioned above the die;
fifth step: the annular rib plate is preassembled, the first oil cylinder works to push the pull rod upwards, the cone moves upwards along with the pull rod axially, so that the die holder equally divided on the cone moves inwards along the T-shaped key through the first sliding block, and the second oil cylinder and the die move inwards along with the die holder radially; the dies all move inwards in the radial direction and are in a contracted state, so that the dies are separated from the inner wall of the cylinder, and the annular rib plates are supported on the inner wall of the cylinder and are relatively fixed; the lifting driving components on the two lifters work, so that the sliding block component moves upwards by one step along the screw rod, and the cylinder body moves upwards by one step under the support of the two support blocks; repeating the third step, opening the mold again, rounding the cylinder from the inside, and enabling the annular rib plate to fall one step relative to the cylinder under the action of gravity and be positioned above the mold;
sixth step: repeating the fifth step, preassembling the annular rib plate into the cylinder body in a stepping mode, and fixedly connecting the annular rib plate to the inner wall of the cylinder body through spot welding;
seventh step: pre-assembling a next annular rib plate, working a second oil cylinder, and shrinking the output end of the second oil cylinder so as to drive the dies to move inwards along the radial direction of the first T-shaped key through a second sliding block, wherein the dies are in a shrinking state, and the outer circumference diameter of the dies is smaller than the inner diameter of the annular rib plate; the lifting driving components on the two lifters work, so that the sliding block component moves downwards for a large step along the screw rod, and then the cylinder body moves downwards for a large step under the support of the two supporting blocks, so that the sizing device is positioned at an upper opening in the cylinder body;
eighth step: repeating the third step to the seventh step until all the annular rib plates are preassembled in the cylinder;
ninth step: welding the annular rib plates, hoisting and horizontally lying the cylinder body pre-assembled with the annular rib plates on the fixed roller frame through the hoisting device, adjusting the welding arm in the horizontal direction and the vertical direction through the horizontal motor and the vertical motor, working the turntable motor, driving the welding arm to rotate relative to the welding machine base by the welding machine body, enabling the welding arm to extend into the cylinder body, and enabling the welding head to face the joint between the cylinder body and the annular rib plates; starting a welding operation machine to weld, and driving the cylinder body to axially rotate by the roller II under the drive of the motor, so that the welding operation machine welds the cylinder body and the circumferential ring of the annular rib plate positioned in the cylinder body, thereby obtaining a single cylinder body finished product;
tenth step: preparing for working before welding the adjacent cylinders, working by a positioner, driving the semicircular gears to rotate by 90 degrees, enabling the working platforms on the semicircular gears to be in a vertical state and face the first track, and enabling the sizing devices to be in a vertical state along with the working platforms; the two cylinder finished products are sequentially hoisted and horizontally arranged on a walking roller frame through a hoisting device, a walking driving device works, the walking roller frame moves along a first track, so that cylinder ports of the two cylinder finished products are in butt joint, a die of a sizing device faces to a cylinder port joint of the two cylinders, and the walking driving device is locked; repeating the third step to ensure that the plurality of dies move outwards along the radial direction and are in an open state, so that the joint of the cylinder openings of the two cylinders is rounded from the inside;
eleventh step: welding adjacent cylinders, namely, a welding arm is adjusted in a ninth step, so that a welding head at the end part of the welding arm faces the outside of a joint of two cylinder openings, a welding operation machine is started to weld, a roller I drives the cylinders to rotate from the outside under the drive of a gear motor, at the moment, the rotating disc is forced to rotate passively, and accordingly, the rotating disc, a sizing device and the cylinders synchronously rotate under the drive of the roller I, and the welding operation machine welds one circle of the joint of the two cylinders from the outside;
twelfth step: and repeating the tenth step and the eleventh step to finish the welding connection of the cylinder group.
The beneficial effects of the invention are as follows:
the invention has compact and reasonable structure and convenient operation, the sizing device is driven by the first oil cylinder to radially move, the sizing device is used for rounding the thin-wall cylinder, the annular rib plate is preassembled in the cylinder in a stepping mode, spot welding is performed, the cylinder and the annular rib plate are welded by the welding operation machine, the high-precision installation between the thin-wall cylinder and the annular rib plate in the cylinder is realized, the welding quality is indirectly ensured, and the strength of the cylinder is ensured; on the same position changing machine and sizing device, the position changing machine is rotated by 90 degrees, the cylinder openings of adjacent cylinders are spliced and the joints are rounded through the sizing device, so that the roundness of the two cylinder openings at the spliced positions is consistent and the gap is minimum, and then the spliced positions are welded from the outside by the same welding operation machine, so that the cylinder groups are obtained by high-precision assembly between the cylinders, the strength and the precision of the cylinder groups are effectively ensured, and the production efficiency is high.
Drawings
Fig. 1 is a layout of the device of the present invention.
FIG. 2 is a schematic diagram of the structure of the positioner, elevator and sizing device of the present invention.
Fig. 3 is a left side view of fig. 2 (the lifter is omitted).
FIG. 4 is a schematic structural view of the sizing device of the present invention.
Fig. 5 is a plan view (mold open state) of fig. 4.
FIG. 6 is a schematic view of the structure of the positioner, sizing device and running roller frame of the present invention (during welding of the cylinder set).
Fig. 7 is a schematic structural view of the traveling roller frame of the present invention.
FIG. 8 is a schematic view of a welding manipulator according to the present invention
Wherein: 1. a positioner; 2. a lifter; 3. an oil cylinder I; 4. a support frame; 5. a walking roller frame; 6. track one; 7. a second track; 8. a welding manipulator; 9. a fixed roller frame; 10. a rotating disc; 11. a speed reducer; 12. multistage gear transmission; 13. a semicircular gear; 21. a slider assembly; 22. a support block; 23. a screw rod; 24. a lifting driving assembly; 30. a cylinder; 31. a pull rod; 32. a second oil cylinder; 33. a die holder; 34. a first sliding block; 35. t-shaped bond I; 36. a second slide block; 37. a mold; 38. a cone; 39. t-shaped bond II; 40. annular rib plates; 51. a connecting rod; 52. a moving assembly; 53. a roller I; 54. a speed reducing motor; 55. a walking driving device; 81. a welding machine base; 82. a turntable; 83. a turntable motor; 84. a welder body; 85. welding arms; 86. a welding head; 87. a horizontal motor; 88. a vertical motor; 91. and a roller II.
Detailed Description
The following describes specific embodiments of the present invention with reference to the drawings.
As shown in fig. 1, 2 and 3, the system device for assembling the inner support ring and the cylinder in the embodiment comprises a positioner 1, a rotary disk 10 is arranged on a working platform of the positioner 1, a sizing device is arranged on the rotary disk 10 through a support frame 4, an oil cylinder I3 is arranged in the support frame 4 positioned in the center of the rotary disk 10, and the sizing device is driven by the oil cylinder I3 to radially expand and contract; the two sides of the positioner 1 are symmetrically provided with lifters 2, the front end of the positioner 1 is provided with symmetrical first rails 6, and a plurality of groups of paired walking roller frames 5 are commonly arranged on the two first rails 6; and a welding manipulator 8, wherein the welding manipulator 8 is positioned on a second track 7 parallel to the first track 6.
As shown in fig. 4 and 5, the sizing device has the following structure: the device comprises a pull rod 31 arranged at the output end of an oil cylinder I3, wherein the pull rod 31 upwards passes through a support frame 4, and a plurality of T-shaped keys I35 are radially and uniformly distributed on the upper plane of the support frame 4 by taking the pull rod 31 as the center; an inverted cone 38 is arranged on the outer circumferential surface of the pull rod 31, and a plurality of die holders 33 are arranged on the outer circumferential surface of the cone 38 through uniformly distributed T-shaped keys 39; the die holder 33 corresponds to the T-shaped keys 35 one by one, and a first sliding block 34 moving along the T-shaped keys 35 is fixedly arranged at the bottom of the die holder 33; the outer side surface of the single die holder 33 is fixedly provided with a second oil cylinder 32, the output end of the second oil cylinder 32 is fixedly provided with a die 37 with an arc-shaped structure, and the bottom of the die 37 is fixedly provided with a second slide block 36 which moves along the first T-shaped key 35; the plurality of dies 37 have arcuate outer sides on the same circumferential surface.
The positioner 1 is driven by a motor, a speed reducer 11 is arranged at the output end of the motor, and the speed reducer 11 drives a semicircular gear 13 to rotate through a multi-stage gear transmission 12; the upper plane of the semicircular gear 13 is a working platform of the positioner 1.
The structure of the lifter 2 is: the device comprises a screw rod 23 in the vertical direction, a sliding block assembly 21 is mounted on the screw rod 23 in a matched mode, and a supporting block 22 is fixedly mounted on the side face of the sliding block assembly 21; the supporting blocks 22 on the two lifters 2 are positioned on the same horizontal plane in space and jointly support the cylinder 30; the top of the screw rod 23 is provided with a lifting driving assembly 24, and the sliding block assembly 21 moves up and down along the screw rod 23 under the action of the lifting driving assembly 24.
As shown in fig. 6 and 7, the single traveling roller frame 5 has the following structure: the device comprises a connecting rod 51, wherein two ends of the side surface of the connecting rod 51 are respectively provided with a moving assembly 52, the moving assembly 52 is connected with a first track 6 in a matching way, and the moving assembly 52 moves along the first track 6 under the drive of a traveling driving device 55; two ends of the upper plane of the connecting rod 51 are respectively provided with a first roller 53, wherein one first roller 53 rotates under the drive of a speed reducing motor 54, and the other first roller 53 is a driven wheel; the two first rollers 53 respectively move along the connecting rod 51 through screw transmission to realize centering, and the two first rollers 53 jointly support the cylinder 30.
The central axis of the roller one 53 is parallel to the rail one 6.
As shown in fig. 8, the welding manipulator 8 has a structure in which: the welding machine comprises a welding machine base 81, wherein sliding bodies matched with and moving along the second track 7 are respectively arranged at two ends of the bottom of the welding machine base; the middle part of the upper surface of the welding machine base 81 is provided with a welding machine body 84 through a turntable 82, and the turntable 82 drives the welding machine body 84 to rotate relative to the welding machine base 81 under the drive of a turntable motor 83; a welding arm 85 perpendicular to the welding machine body 84 is arranged on the welding machine body 84, and the welding arm 85 moves up and down along the welding machine body 84 under the drive of a vertical motor 88; a welding head 86 is mounted to the end of the welding arm 85, and the welding head 86 is driven by a horizontal motor 87 to perform a telescopic motion in a horizontal plane with respect to the welder body 84 along with the welding arm 85.
The welding manipulator further comprises a fixed roller frame 9 arranged on the side edge of the welding manipulator 8, the fixed roller frame 9 is composed of four uniformly distributed supporting components, each supporting component comprises two rollers 91, the four rollers 91 jointly support the cylinder 30, one of the two rollers 91 is driven by a motor to rotate, and the other three rollers 91 are driven wheels.
The production process of the barrel inner support ring and barrel assembly complete system device in the embodiment comprises the following steps:
the first step: preparing a cylinder 30 and an annular rib plate 40 to be assembled; the cylinder 30 is of a large-diameter thin-wall structure, and the section of the annular rib plate 40 is of a T-shaped structure; the first cylinder 3 and the second cylinder 32 are reset, and the die 37 is in a contracted state; the working platform of the positioner 1 is in a horizontal state;
and a second step of: placing the cylinder 30, placing the cylinder 30 on the two lifters 2, wherein the cylinder 30 is axially vertical and the bottom of the cylinder is supported by the two supporting blocks 22, and the sizing device is positioned at an upper opening in the cylinder 30 at the moment, as shown in fig. 1;
and a third step of: the cylinder body 30 is supported, the first oil cylinder 3 works, the pull rod 31 is pulled downwards, the cone 38 moves axially downwards along with the pull rod 31, the die holder 33 equally divided on the cone 38 moves radially outwards along the T-shaped key 35 through the first sliding block 34, and the second oil cylinder 32 and the die 37 move radially outwards along with the die holder 33; the dies 37 are all moved radially outwards and are opened, so that the opening above the cylinder 30 is rounded from the inside;
fourth step: placing an annular rib plate 40, horizontally hoisting the annular rib plate 40 to an opening above the cylinder 30 through a hoisting device, and falling the annular rib plate 40 into the opening of the cylinder 30 under the action of gravity and being positioned above the die 37;
fifth step: the annular rib plate 40 is preassembled, the first oil cylinder 3 works to push the pull rod 31 upwards, the cone 38 moves upwards along with the pull rod 31 axially, so that the die holder 33 equally divided on the cone 38 moves inwards along the T-shaped key 35 through the first sliding block 34, and the second oil cylinder 32 and the die 37 move inwards along with the die holder 33 radially; the dies 37 move inwards in the radial direction and are in a contracted state, so that the dies 37 are separated from the inner wall of the cylinder 30, and the annular rib plates 40 are supported on the inner wall of the cylinder 30 and are relatively fixed; the lifting driving components 24 on the two lifters 2 work, so that the sliding block component 21 moves upwards by one step along the screw rod 23, and the cylinder 30 moves upwards by one step under the support of the two support blocks 22; repeating the third step, the mold 37 is opened again, the cylinder 30 is rounded from the inside, and the annular rib plate 40 falls one step relative to the cylinder 30 under the action of gravity and is positioned above the mold 37;
sixth step: repeating the fifth step, preassembling the annular rib plate 40 into the cylinder 30 in a stepping manner, and fixedly connecting the annular rib plate 40 to the inner wall of the cylinder 30 through spot welding;
seventh step: the next annular rib plate 40 is preassembled, the second oil cylinder 32 works, the output end of the second oil cylinder 32 contracts, so that the dies 37 are driven to move inwards in the radial direction along the first T-shaped key 35 through the second sliding block 36, and the dies 37 are in a contracted state and the outer circumference diameter of the dies is smaller than the inner diameter of the annular rib plate 40; the lifting driving components 24 on the two lifters 2 work, so that the sliding block component 21 moves downwards for a large step along the screw rod 23, and then the cylinder 30 moves downwards for a large step under the support of the two support blocks 22, so that the sizing device is positioned at an upper opening in the cylinder 30;
eighth step: repeating the third to seventh steps until all the annular rib plates 40 are preassembled inside the cylinder 30;
ninth step: the annular rib plate 40 is welded, the cylinder 30 pre-assembled with the annular rib plate 40 is hoisted and horizontally laid on the fixed roller frame 9 through a hoisting device, the welding arm 85 is adjusted in the horizontal direction and the vertical direction through the horizontal motor 87 and the vertical motor 88, the turntable motor 83 works, the welding machine body 84 drives the welding arm 85 to rotate relative to the welding machine base 81, the welding arm 85 stretches into the cylinder 30, and the welding head 86 faces the joint between the cylinder 30 and the annular rib plate 40; starting a welding operation machine 8 to weld, driving the cylinder 30 to axially rotate by a second roller 91 under the drive of a motor, and further welding the cylinder 30 and the circumferential ring of the annular rib plate 40 positioned in the welding operation machine 8 by the welding operation machine 8, so as to obtain a single cylinder finished product, as shown in fig. 8;
tenth step: the adjacent cylinders are ready to work before welding, the positioner 1 works and drives the semicircular gear 13 to rotate 90 degrees, so that a working platform on the semicircular gear 13 is in a vertical state and faces the first track 6, and the sizing device is in a vertical state along with the working platform; the two cylinder finished products are sequentially hoisted and horizontally arranged on the walking roller frame 5 through the hoisting device, the walking driving device 55 works, the walking roller frame 5 moves along the first track 6, so that the cylinder ports of the two cylinder finished products are in butt joint, and the die 37 of the sizing device locks the walking driving device 55 aiming at the joint of the cylinder ports of the two cylinders 30; repeating the third step, so that the plurality of dies 37 move radially outwards and are in an open state, and further circle the seam of the cylinder ports of the two cylinders 30 from the inside, as shown in fig. 6;
eleventh step: welding adjacent cylinders, for example, a welding arm 85 is adjusted in the ninth step, so that a welding head 86 at the end part of the welding arm 85 faces the outside of a seam of the cylinder openings of the two cylinders 40, a welding operation machine 8 is started to weld, a roller I53 drives the cylinder 30 to rotate from the outside under the drive of a speed reducing motor 54, at the moment, the rotating disc 10 is driven to rotate passively, and accordingly the rotating disc 10, a sizing device and the cylinder 30 synchronously rotate under the drive of the roller I53, and the welding operation machine 8 welds one circle of the seam of the two cylinders 40 from the outside;
twelfth step: and repeating the tenth step and the eleventh step to finish the welding connection of the cylinder group.
The invention realizes the effective installation of the reinforcing ribs in the large thin-wall cylinder and the effective connection of the cylinders, ensures the installation strength and the installation precision, and has strong practicability.
The above description is intended to illustrate the invention and not to limit it, the scope of which is defined by the claims, and any modifications can be made within the scope of the invention.
Claims (2)
1. The utility model provides a barrel internal stay circle and barrel group are to complete system device which characterized in that: the device comprises a positioner (1), wherein a rotary disk (10) is arranged on a working platform of the positioner (1), a sizing device is arranged on the rotary disk (10) through a support frame (4), an oil cylinder I (3) is arranged in the support frame (4) positioned in the center of the rotary disk (10), and the sizing device radially expands and contracts under the drive of the oil cylinder I (3); the two sides of the position changing machine (1) are symmetrically provided with lifters (2), the front end of the position changing machine (1) is provided with symmetrical first rails (6), and a plurality of groups of paired walking roller frames (5) are commonly arranged on the two first rails (6); the welding machine also comprises a welding manipulator (8), wherein the welding manipulator (8) is positioned on a second track (7) parallel to the first track (6);
the sizing device has the structure that: the device comprises a pull rod (31) arranged at the output end of a first oil cylinder (3), wherein the pull rod (31) upwards penetrates through a support frame (4), and a plurality of T-shaped keys (35) are radially and uniformly distributed on the upper plane of the support frame (4) by taking the pull rod (31) as the center; an inverted cone (38) is arranged on the outer circumferential surface of the pull rod (31), and a plurality of die holders (33) are arranged on the outer circumferential surface of the cone (38) through uniformly distributed T-shaped keys (39); the die holder (33) corresponds to the T-shaped keys (35) one by one, and a first sliding block (34) moving along the T-shaped keys (35) is fixedly arranged at the bottom of the die holder (33); the outer side surface of the single die holder (33) is fixedly provided with a second oil cylinder (32), the output end of the second oil cylinder (32) is fixedly provided with a die (37) with an arc-shaped structure, and the bottom of the die (37) is fixedly provided with a second sliding block (36) which moves along a first T-shaped key (35); the arc-shaped outer side surfaces of the plurality of dies (37) are positioned on the same circumferential surface;
the position changing machine (1) is driven by a motor, a speed reducer (11) is arranged at the output end of the motor, and the speed reducer (11) drives a semicircular gear (13) to rotate through multistage gear transmission (12); the upper plane of the semicircular gear (13) is a working platform of the positioner (1);
the structure of the lifter (2) is as follows: the device comprises a screw rod (23) in the vertical direction, a sliding block assembly (21) is mounted on the screw rod (23) in a matched mode, and a supporting block (22) is fixedly mounted on the side face of the sliding block assembly (21); the supporting blocks (22) on the two lifters (2) are positioned on the same horizontal plane in space and jointly support the cylinder body (30); the top of the screw rod (23) is provided with a lifting driving assembly (24), and the sliding block assembly (21) moves up and down along the screw rod (23) under the action of the lifting driving assembly (24);
the structure of the single-group walking roller frame (5) is as follows: the device comprises a connecting rod (51), wherein two ends of the side surface of the connecting rod (51) are respectively provided with a moving assembly (52), the moving assemblies (52) are connected with a first track (6) in a matching way, and the moving assemblies (52) move along the first track (6) under the drive of a walking driving device (55); two ends of the upper plane of the connecting rod (51) are respectively provided with a first roller (53), one first roller (53) rotates under the drive of a speed reducing motor (54), and the other first roller (53) is a driven wheel; the two first rollers (53) respectively move along the connecting rod (51) through screw rod transmission to realize centering, the two first rollers (53) jointly support the cylinder body (30), and the central axis of the first rollers (53) is parallel to the first rail (6);
the welding manipulator (8) has the structure that: comprises a welding machine base (81), wherein both ends of the bottom of the welding machine base are respectively provided with a sliding body which is matched with a second track (7) and moves along the second track; the middle part of the upper surface of the welding machine base (81) is provided with a welding machine body (84) through a turntable (82), and the turntable (82) drives the welding machine body (84) to rotate relative to the welding machine base (81) under the driving of a turntable motor (83); a welding arm (85) perpendicular to the welding machine body (84) is arranged on the welding machine body (84), and the welding arm (85) moves up and down along the welding machine body (84) under the driving of a vertical motor (88); a welding head (86) is arranged at the end part of the welding arm (85), and the welding head (86) is driven by a horizontal motor (87) to do telescopic motion in a horizontal plane relative to a welder body (84) along with the welding arm (85);
the welding machine further comprises a fixed roller frame (9) arranged at the side edge of the welding manipulator (8), wherein the fixed roller frame (9) is composed of four uniformly distributed supporting components, each supporting component comprises two rollers (91), the four two rollers (91) jointly support the cylinder body (30), one of the two rollers (91) is driven by a motor to rotate, and the other three two rollers (91) are driven wheels;
when the sizing device works, the cylinder body (30) is placed on the two lifters (2), the cylinder body (30) is axially vertical, the bottom of the cylinder body is supported by the two supporting blocks (22), and the sizing device is positioned at an upper opening in the cylinder body (30);
the cylinder I (3) is supported to work, the pull rod (31) is pulled downwards, the cone (38) moves axially downwards along with the pull rod (31), the die holder (33) which is equally divided on the cone (38) moves radially outwards along the T-shaped key I (35) through the slide block I (34), and the cylinder II (32) and the die (37) move radially outwards along with the die holder (33); the dies (37) move outwards in the radial direction and are in an open state, so that the opening above the cylinder (30) is rounded from the inside;
placing an annular rib plate (40), horizontally hoisting the annular rib plate (40) to an opening above the cylinder body (30) through a hoisting device, and enabling the annular rib plate (40) to fall into the opening of the cylinder body (30) and be positioned above the die (37) under the action of gravity;
the first oil cylinder (3) works to push the pull rod (31) upwards, the cone (38) moves upwards along with the pull rod (31) axially, so that the die holder (33) equally divided on the cone (38) moves inwards along the T-shaped key (35) through the first sliding block (34), and the second oil cylinder (32) and the die (37) move inwards along with the die holder (33) radially; the dies (37) move inwards in the radial direction and are in a contracted state, so that the dies (37) are separated from the inner wall of the cylinder body (30), and the annular rib plates (40) are supported on the inner wall of the cylinder body (30) and are relatively fixed; the lifting driving components (24) on the two lifters (2) work, so that the sliding block component (21) moves upwards by one step along the screw rod (23), and the cylinder (30) moves upwards by one step under the support of the two support blocks (22); repeating the third step, wherein the mold (37) is opened again, the cylinder (30) is rounded from the inside, and the annular rib plate (40) falls one step relative to the cylinder (30) under the action of gravity and is positioned above the mold (37);
the annular rib plate (40) is preassembled inside the cylinder body (30) in a stepping mode, and the annular rib plate (40) is fixedly connected to the inner wall of the cylinder body (30) through spot welding;
the next annular rib plate (40) is preassembled, the second oil cylinder (32) works, the output end of the second oil cylinder (32) contracts, so that the dies (37) are driven to move inwards along the radial direction of the first T-shaped key (35) through the second sliding block (36), and the dies (37) are in a contracted state and the outer circumference diameter of the dies is smaller than the inner diameter of the annular rib plate (40); the lifting driving components (24) on the two lifters (2) work, so that the sliding block component (21) moves downwards for a large step along the screw rod (23), and then the cylinder (30) moves downwards for a large step along with the support of the two support blocks (22), and the sizing device is positioned at an upper opening inside the cylinder (30).
2. A process for producing a cylinder inner stay ring and cylinder assembly complete system device according to claim 1, which comprises the following steps:
the first step: preparing a cylinder (30) to be assembled and an annular rib plate (40); the cylinder body (30) is of a large-diameter thin-wall structure, and the section of the annular rib plate (40) is of a T-shaped structure; the first oil cylinder (3) and the second oil cylinder (32) are reset, and the die (37) is in a contracted state; the working platform of the positioner (1) is in a horizontal state;
and a second step of: the method comprises the steps of placing a barrel (30), placing the barrel (30) on two lifters (2), wherein the barrel (30) is vertical in the axial direction and supported by two supporting blocks (22) at the bottom, and the sizing device is positioned at an upper opening in the barrel (30);
and a third step of: the cylinder I (3) is supported to work, the pull rod (31) is pulled downwards, the cone (38) moves axially downwards along with the pull rod (31), the die holder (33) which is equally divided on the cone (38) moves radially outwards along the T-shaped key I (35) through the slide block I (34), and the cylinder II (32) and the die (37) move radially outwards along with the die holder (33); the dies (37) move outwards in the radial direction and are in an open state, so that the opening above the cylinder (30) is rounded from the inside;
fourth step: placing an annular rib plate (40), horizontally hoisting the annular rib plate (40) to an opening above the cylinder body (30) through a hoisting device, and enabling the annular rib plate (40) to fall into the opening of the cylinder body (30) and be positioned above the die (37) under the action of gravity;
fifth step: the first oil cylinder (3) works to push the pull rod (31) upwards, the cone (38) moves upwards along with the pull rod (31) axially, so that the die holder (33) equally divided on the cone (38) moves inwards along the T-shaped key (35) through the first sliding block (34), and the second oil cylinder (32) and the die (37) move inwards along with the die holder (33) radially; the dies (37) move inwards in the radial direction and are in a contracted state, so that the dies (37) are separated from the inner wall of the cylinder body (30), and the annular rib plates (40) are supported on the inner wall of the cylinder body (30) and are relatively fixed; the lifting driving components (24) on the two lifters (2) work, so that the sliding block component (21) moves upwards by one step along the screw rod (23), and the cylinder (30) moves upwards by one step under the support of the two support blocks (22); repeating the third step, wherein the mold (37) is opened again, the cylinder (30) is rounded from the inside, and the annular rib plate (40) falls one step relative to the cylinder (30) under the action of gravity and is positioned above the mold (37);
sixth step: repeating the fifth step, preassembling the annular rib plate (40) into the cylinder (30), and fixedly connecting the annular rib plate (40) to the inner wall of the cylinder (30) through spot welding;
seventh step: the next annular rib plate (40) is preassembled, the second oil cylinder (32) works, the output end of the second oil cylinder (32) contracts, so that the dies (37) are driven to move inwards along the radial direction of the first T-shaped key (35) through the second sliding block (36), and the dies (37) are in a contracted state and the outer circumference diameter of the dies is smaller than the inner diameter of the annular rib plate (40); the lifting driving components (24) on the two lifters (2) work, so that the sliding block component (21) moves downwards for one step along the screw rod (23), and then the cylinder (30) moves downwards for one step under the support of the two support blocks (22), and the sizing device is positioned at an upper opening in the cylinder (30);
eighth step: repeating the third to seventh steps until all the annular rib plates (40) are preassembled inside the cylinder (30);
ninth step: welding the annular rib plate (40), hoisting and horizontally lying the cylinder body (30) pre-assembled with the annular rib plate (40) on the fixed roller frame (9) through a hoisting device, adjusting the welding arm (85) in the horizontal direction and the vertical direction through the horizontal motor (87) and the vertical motor (88), operating the turntable motor (83), driving the welding arm (85) to rotate relative to the welding machine base (81) by the welding machine body (84), enabling the welding arm (85) to extend into the cylinder body (30), and enabling the welding head (86) to face the joint between the cylinder body (30) and the annular rib plate (40); starting a welding operation machine (8) to weld, and driving the cylinder body (30) to axially rotate by the aid of the second roller (91) driven by the motor, so that the welding operation machine (8) welds the cylinder body (30) and the circumferential ring of the annular rib plate (40) positioned in the cylinder body, and a single cylinder body finished product is obtained;
tenth step: the adjacent cylinder body is prepared to work before welding, the positioner (1) works, and the semicircular gear (13) is driven to rotate 90 degrees, so that a working platform on the semicircular gear (13) is in a vertical state and faces the first track (6), and the sizing device is in a vertical state along with the working platform; the two cylinder finished products are sequentially hoisted and horizontally arranged on a walking roller frame (5) through a hoisting device, a walking driving device (55) works, the walking roller frame (5) moves along a first track (6) to enable the cylinder openings of the two cylinder finished products to be in butt joint, and a die (37) of a sizing device locks the walking driving device (55) aiming at the joint of the cylinder openings of the two cylinders (30); repeating the third step to enable the plurality of dies (37) to move outwards along the radial direction and be in an open state, so that the seam of the cylinder ports of the two cylinders (30) is rounded from the inside;
eleventh step: welding adjacent cylinders, such as a ninth step of adjusting a welding arm (85), so that a welding head (86) at the end part of the welding arm (85) faces the outside of a seam of two cylinder openings, starting a welding operation machine (8) to weld, driving a cylinder (30) to rotate from the outside by a roller I (53) under the driving of a gear motor (54), and driving a rotary disk (10) to rotate passively at the moment, so that the rotary disk (10), a sizing device and the cylinder (30) synchronously rotate under the driving of the roller I (53), and further welding one circle of the seam of the two cylinders by the welding operation machine (8) from the outside;
twelfth step: and repeating the tenth step and the eleventh step to finish the welding connection of the cylinder group.
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| CN113649736B (en) * | 2021-08-27 | 2023-04-07 | 安徽巨一科技股份有限公司 | Automatic rotating equipment suitable for welding different cylinders and rails of concrete mixer truck |
| CN113927151B (en) * | 2021-11-02 | 2023-04-18 | 上海航天设备制造总厂有限公司 | Characteristic friction stir material increase manufacturing method and equipment for reinforcing rib of thin-wall cylinder structure |
| CN115781020B (en) * | 2023-02-08 | 2023-04-18 | 成都迈特利尔科技有限公司 | Barrel circumferential seam laser welding workstation and welding method |
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