CN106976731B - Rapid stacking machine and stacking method for large-diameter steel pipes - Google Patents
Rapid stacking machine and stacking method for large-diameter steel pipes Download PDFInfo
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- CN106976731B CN106976731B CN201710195656.7A CN201710195656A CN106976731B CN 106976731 B CN106976731 B CN 106976731B CN 201710195656 A CN201710195656 A CN 201710195656A CN 106976731 B CN106976731 B CN 106976731B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G57/00—Stacking of articles
- B65G57/02—Stacking of articles by adding to the top of the stack
- B65G57/16—Stacking of articles of particular shape
- B65G57/18—Stacking of articles of particular shape elongated, e.g. sticks, rods, bars
- B65G57/186—Cylindrical articles, e.g. tubes, rods, etc.
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G61/00—Use of pick-up or transfer devices or of manipulators for stacking or de-stacking articles not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0276—Tubes and pipes
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Abstract
The invention discloses a large-diameter steel pipe fast stacker crane and a stacking method, which mainly pack large-size high-speed welded pipes of 5 inches, 6 inches and 8 inches, design the number and stacking position of each layer of stacked steel pipes according to the packing size and number, stack multiple layers of steel pipes layer by layer, put all stacked steel pipes into a packing mechanism at one time, automatically control direct packing, and simultaneously return a headstock part to an automatic pipe stopper position to continue packing a new round of steel pipes.
Description
Technical Field
The invention belongs to the field of steel pipe production equipment, and particularly relates to a large-diameter steel pipe rapid stacker crane and a stacking method.
Background
The steel products are widely applied and have various varieties, and are generally divided into four categories, namely section bars, plates, pipes and metal products according to different section shapes. Especially, because of its special appearance and large volume, need pack the arrangement with many tubular product stacks for convenient storage and transportation.
The general work efficiency of stack baling equipment that present steel enterprise used is lower, and is more during the manual work of cost simultaneously, and processing speed often can not keep up with the production progress, has increased the manufacturing cost of tubular product.
Disclosure of Invention
The invention aims to provide a large-diameter steel pipe rapid stacker crane and a stacking method, which can complete stacking at one time, have high packing efficiency, save labor and time and reduce production cost.
In order to achieve the purpose, the specific technical scheme of the invention is as follows:
quick hacking machine of large diameter steel pipe includes: the automatic pipe blocking device, the lifting beam pipe taking device and the packing mechanism are arranged on the lifting beam; the lifting beam pipe taking device comprises a machine head rack, a first conveying mechanism and a machine head frame which are symmetrically arranged, wherein the machine head frame is arranged on the machine head rack through the first conveying mechanism and reciprocates on the machine head rack along with the first conveying mechanism; the automatic pipe stopper and the packing mechanism are arranged between the two machine head racks, wherein the automatic pipe stopper is arranged at one end of the first conveying mechanism close to the discharge hole of the steel pipe cooling bed, and the packing mechanism is arranged at the other end of the first conveying mechanism;
the automatic pipe blocking device mainly comprises a supporting box body, a positioning slide rail mechanism and a conveying mechanism, wherein the positioning slide rail mechanism and the conveying mechanism are arranged on the supporting box body in parallel, the surfaces of the positioning slide rail mechanism and the conveying mechanism are flush, the positioning slide rail mechanism conveys and positions the steel pipe, and the conveying mechanism assists the positioning slide rail mechanism to convey the steel pipe to a positioning position;
the machine head frame mainly comprises a lifting beam, a pipe taking mechanism, a second conveying mechanism arranged along the height direction of the lifting beam and a power system for driving the second conveying mechanism to reciprocate up and down, a plurality of lifting Liang Zhuceng are arranged on the second conveying mechanism, each layer of lifting beam is provided with the pipe taking mechanism, and the lower end of the machine head frame is provided with a pushing mechanism for pushing the pipe taking mechanism to take a pipe and a pulling mechanism for pulling the pipe taking mechanism out of two ends of a steel pipe after the pipe taking mechanism is positioned;
the packaging mechanism mainly comprises a guiding and positioning device, a packaging mechanism, a lifting carrier roller device and a power mechanism, wherein a packaging belt support and packaging arms are arranged in the packaging mechanism, the packaging belt support is arranged at the joint of the two packaging arms, a packaging belt first limiting groove is arranged on the packaging belt support, and a packaging belt second limiting groove is respectively arranged at one end, far away from the packaging belt support, of each of the two packaging arms; the steel pipe stack after falling is located in the guiding and positioning device, the power mechanism drives the packing arm to close the arm to wrap the packing belt on the steel pipe stack, the packing arm is driven to open after packing is finished, and the power mechanism drives the lifting carrier roller device to act to convey the whole packed pipe after packing to a storage area.
Furthermore, the positioning slide rail mechanism comprises a limiting guide rail, a limiting slide block, a baffle, a guide rail bracket, a limiting speed reducer and a limiting servo motor; the conveying mechanism comprises a roller and a roller bracket; the limiting guide rail and the rollers are respectively arranged on the supporting box body in parallel through a guide rail bracket and a roller bracket; the limiting slide block is sleeved on the limiting guide rail, the baffle plate for limiting the steel pipe is arranged at the upper end of the limiting slide block, and the limiting servo motor and the limiting speed reducer are both connected with the limiting slide block.
Further, the second conveying mechanism comprises a transmission rod and a lifting slide rail which are arranged from the top end to the bottom end of the headstock, and the lifting slide rail comprises two transmission rods which are respectively arranged on two sides of the transmission rod;
the lifting beam comprises a lifting beam base connected with the second conveying mechanism and a telescopic pipe which is movably connected with the lifting beam base and can horizontally stretch, the middle part of the lifting beam base is sleeved with the transmission rod, and two sides of the lifting beam base are connected with the lifting slide rail in a sliding manner; the free end of the telescopic pipe is provided with a clamping mechanism; two sides of two lifting beam bases which are adjacent up and down are respectively movably connected through a lifting beam connecting piece;
the pipe taking mechanism comprises an insertion rod which is sleeved in the telescopic pipe and penetrates through the telescopic pipe, one end of the insertion rod is a plug for taking the pipe, and the other end of the insertion rod is an insertion rod limiting plate with the diameter larger than that of the insertion rod;
the power system is connected with the lifting beam base and comprises a lifting beam servo motor and a lifting beam reducer which are both arranged on the top of the headstock through a lifting Liang Dianji bracket.
Further, the pushing mechanism comprises a pushing cylinder and a pushing rod; the pulling-out mechanism comprises a pulling-out air cylinder and a pulling plate integrally connected with an air cylinder connecting rod, and the plane of the pulling plate is vertical to the length direction of the air cylinder connecting rod;
the push-in mechanism and the pull-out mechanism are arranged on the same side of the pull plate in parallel, the push rod and the inserted rod limiting plate are arranged just opposite to each other, and the side edge of the pull plate, which is close to one side of the inserted rod, is located between the inserted rod limiting plate and the plug.
Furthermore, the guiding and positioning device consists of a positioning rack and positioning stop rods, the positioning stop rods comprise at least two positioning stop rods which are in a horn mouth shape, the upper part and the lower part of the openings of the positioning stop rods are arranged on the positioning rack in a front-back manner, and a connecting line between the free ends of the two positioning stop rods is vertical to the direction of the length of the whole packing tube;
and/or the presence of a gas in the gas,
the bag closing mechanism further comprises a packaging rack, a hydraulic cylinder, a pressing plate and a force transmission plate, the hydraulic cylinder is arranged on the packaging rack, the packaging arm is arranged above the hydraulic cylinder, the force transmission plate is arranged between the hydraulic cylinder and the packaging arm, one end of the force transmission plate is in transmission connection with a hydraulic connecting rod of the hydraulic cylinder, and the other end of the force transmission plate is connected with a rotating shaft at the bottom of the packaging arm; the pressing plates are arranged at the free ends of the two packing arms, and the second limiting grooves of the packing belts are arranged on the pressing plates.
Further, the lifting carrier roller device comprises a carrier roller base, a lifting roller bracket, a lifting mechanism and a lifting roller power motor; the lifting roller support is arranged on the carrier roller base and fixes two ends of the lifting roller, the lifting mechanism is arranged in the carrier roller base and located at the bottom of the lifting roller, the lifting roller power motor is connected with the lifting mechanism, and the conveying direction of the lifting roller is consistent with the length direction of the whole packing pipe.
Furthermore, the bag closing mechanisms comprise four bag closing mechanisms which are arranged on the fixed base at equal intervals, the lifting carrier roller devices are arranged between every two adjacent bag closing mechanisms, and the guiding and positioning devices are respectively arranged between every two adjacent bag closing mechanisms at two ends.
The invention also provides a stacking method by utilizing the large-diameter steel pipe rapid stacker crane, which comprises the following steps:
1) The headstock is driven to be positioned on two sides of the automatic pipe stopper, steel pipes from the cooling bed are pushed to the automatic pipe stopper, the positioning slide rail mechanism limits the steel pipes at the forefront end to move to a preset position, after the steel pipes are pushed to a preset number of steel pipes, the pushing mechanism at the bottom of the headstock pushes the pipe taking mechanism in the lifting beam to take the pipes, the lifting beam moves upwards through the second conveying mechanism, the circulation is carried out, and after the steel pipes are lifted to a preset number of layers, the headstock moves to the position right above the packing mechanism along the headstock rack through the first conveying mechanism; in the preset number of layers of steel pipes, the number of each layer of steel pipe is equal or unequal;
2) The lifting beam descends through the second conveying mechanism, and the steel pipes all fall onto the packing mechanism layer by layer and are positioned in the guiding and positioning device to form a steel pipe stack; starting the pulling-out mechanism, pulling out the pipe taking mechanisms inserted into the two ends of the steel pipe stack, and moving the headstock to the two sides of the automatic pipe stopper again to continue pipe taking;
3) And starting the packing mechanism, the packing arm closes the arm, the packing belt is simultaneously wrapped on the steel pipe stack, an operator welds the end parts of the packing belt, then the packing arm is opened, the lifting carrier roller device is started, and the packed whole packing pipe is conveyed out of a packing area.
Further, in step 1), the pushing mechanism at the bottom of the headstock pushes the tube taking mechanism in the lifting beam to take tubes, and the method specifically includes:
the pushing mechanism pushes the inserted bar, the lifting beam horizontally extends out simultaneously, the plugs are inserted into two ends of the steel pipes simultaneously, and the two ends of all the steel pipes are clamped through the clamping mechanism.
Further, in step 2), the pulling-out mechanism is started to pull out the tube taking mechanisms inserted into the two ends of the steel tube stack, and the method specifically includes:
starting the pull-out cylinder, moving the pull plate, dragging the inserted link limiting plate, moving the inserted link, and pulling the taps out of the two ends of the steel pipe and keeping away from the steel pipe; the plugs at both ends of all the steel tubes in the steel tube stack are pulled out simultaneously.
The invention provides a large-diameter steel pipe fast stacker crane and a stacking method, which mainly pack large-size high-speed welded pipes of 5 inches, 6 inches and 8 inches, design the number and stacking position of each layer of stacked steel pipes according to the packing size and number, stack multiple layers of steel pipes layer by layer, put all stacked steel pipes into a packing mechanism at one time, automatically control direct packing, and simultaneously return a headstock part to an automatic pipe stopper position to continue packing a new round of steel pipes.
Drawings
FIG. 1 is a front view of a large-diameter steel pipe rapid stacker provided by the invention;
FIG. 2 is a top view of the large-diameter steel pipe rapid stacker provided by the invention;
FIG. 3 is a front view of the tube retrieving device of the lifting beam of the present invention;
FIG. 4 is a side view of the tube retrieving device of the lifting beam of the present invention;
fig. 5 is a side view of a positioning slide rail mechanism in the automatic pipe stop of the present invention;
fig. 6 is a side view of the transfer mechanism in the automatic hose retainer of the present invention;
FIG. 7 is a top view of the automatic pipe pig of the present invention;
fig. 8 is a front view of the packing mechanism of the present invention.
Reference numerals are as follows:
1. a lifting beam pipe taking device, 2 an automatic pipe blocking device, 3a packing mechanism,
11. the automatic lifting device comprises a machine head rack, 12 machine head racks, 12a lifting beam, 12b plugs, 12c inserting rods, 12d inserting rod limiting plates, 12e lifting beam connecting pieces, 12f transmission rods, 12g lifting slide rails, 12h lifting beam speed reducers, 12i lifting beam servo motors, 12j lifting Liang Dianji supports, 13 first conveying mechanisms, 13a transverse slide rails, 14 pushing mechanisms, 15 pulling mechanisms, 15a pulling cylinders and 15b pulling plates, wherein the machine head rack is fixedly connected with the machine head rack;
21. the device comprises a supporting box body, a first guide rail bracket 22a, a second guide rail bracket 22b, a limiting guide rail 22c, a limiting slide block 22d, a baffle 22e, a limiting speed reducer 23a, a limiting servo motor 23b, a motor support plate 23c, a roller bracket one 24a, a roller bracket two 24b, a roller 24c, a screw 25;
31. the packaging machine comprises a packaging mechanism, a packaging rack, a hydraulic cylinder, a packaging arm, a pressing plate, a packaging belt support and a force transfer plate, wherein the packaging mechanism comprises a packaging rack 31a, a hydraulic cylinder 31b, a packaging arm 31c, a pressing plate 31d, a packaging belt support 31e and a force transfer plate 31 f; 32. the roller lifting device comprises a guide positioning device, a positioning rack 32a, a positioning stop lever 32b, and a lifting roller device 33.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings.
Large-diameter steel pipe rapid palletizer, as shown in figure 1 and figure 2, comprises: the automatic pipe blocking device 2, the lifting beam pipe taking device 1 and the packing mechanism 3; the lifting beam pipe taking device 1 comprises a machine head rack 11, a first conveying mechanism 13 and a machine head rack 12 which are symmetrically arranged, wherein the machine head rack 12 is arranged on the machine head rack 11 through the first conveying mechanism 13 and reciprocates on the machine head rack 11 along with the first conveying mechanism 13; the automatic pipe blocking device 2 and the packaging mechanism 3 are arranged between the two machine head racks 11, wherein the automatic pipe blocking device 2 is arranged at one end, close to a discharge port of a steel pipe cooling bed, of the first conveying mechanism 13, and the packaging mechanism 3 is arranged at the other end of the first conveying mechanism 13.
The first conveying mechanism 13 comprises a conveying sliding block and a transverse sliding rail 13a arranged on the machine head lifting frame, and the conveying sliding block slides back and forth along the transverse sliding rail 13a.
As shown in fig. 5-7, the automatic pipe stopper 2 mainly includes a supporting box 21, a positioning slide rail mechanism and a conveying mechanism, the positioning slide rail mechanism and the conveying mechanism are arranged in parallel on the supporting box 21, the surfaces of the positioning slide rail mechanism and the conveying mechanism are flush, the positioning slide rail mechanism conveys and positions the steel pipe, and the conveying mechanism assists the positioning slide rail mechanism to convey the steel pipe to a positioning position.
The positioning slide rail mechanism comprises a limiting guide rail 22c, a limiting slide block 22d, a baffle 22e, a guide rail bracket, a limiting speed reducer 23a and a limiting servo motor 23b; the limiting speed reducer 23a and the limiting servo motor 23b are arranged on the supporting box body through a motor support plate 23c, and the conveying mechanism comprises a roller 24c and a roller support; the limiting guide rail 22c and the roller 24c are respectively arranged on the supporting box body 21 in parallel through a guide rail bracket and a roller bracket; the limiting slide block 22d is sleeved on the limiting guide rail 22c, the baffle 22e for limiting the steel pipe is arranged at the upper end of the limiting slide block 22d, and the limiting servo motor 23b and the limiting speed reducer 23a are both connected with the limiting slide block 22d.
When the device is specifically arranged, the guide rail bracket comprises a first guide rail bracket 22a and a second guide rail bracket 22b, two ends of the limiting guide rail 22c are fixedly arranged through the first guide rail bracket 22a and the second guide rail bracket 22b respectively, the limiting guide rail 22c comprises three limiting guide rails, screw rods 25 are arranged on two sides of the limiting guide rail, three through holes are formed in the limiting sliding block 22d, and the three through holes are in sliding sleeve connection with the three guide rails;
the roller support comprises a roller support I24 a and a roller support II 24b, and two ends of the roller 24c are respectively fixedly arranged on the roller support I24 a and the roller support II 24 b;
the distance between the first rail support 22a and the second rail support 22b is equal to the distance between the first roller support 24a and the second roller support 24b.
When the device is arranged, in order to enable the steel pipe to roll on the automatic pipe stopper 2 more easily, a multi-section roller structure can be adopted preferably, and the device is preferably used by connecting three sections of rollers, wherein the height of the roller bracket II 24b close to the inlet of the steel pipe is larger than that of the roller bracket I24 a at the other end.
As shown in fig. 3 and 4, the headstock 12 mainly includes a lifting beam 12a, a tube taking mechanism, a second conveying mechanism arranged along the height direction of the lifting beam, and a power system for driving the second conveying mechanism to reciprocate up and down, the lifting beams 12a are arranged on the second conveying mechanism layer by layer, each layer of the lifting beam 12a is provided with the tube taking mechanism, and the lower end of the headstock 12 is provided with a pushing mechanism 14 for pushing the tube taking mechanism to take a tube and a pulling mechanism 15 for pulling the tube taking mechanism out of two ends of a steel tube after being placed.
The second conveying mechanism comprises a transmission rod 12f and a lifting slide rail 12g which are arranged from the top end to the bottom end of the headstock 12, and the lifting slide rail 12g comprises two transmission rods 12f which are respectively arranged on two sides of the transmission rod 12 f;
the lifting beam 12a comprises a lifting beam base connected with the second conveying mechanism and a telescopic pipe which is movably connected with the lifting beam base and can horizontally stretch, the middle part of the lifting beam base is sleeved with the transmission rod 12f, and the two sides of the lifting beam base are slidably connected with the lifting slide rail 12 g; the free end of the telescopic pipe is provided with a clamping mechanism; two sides of two adjacent lifting beam bases are movably connected through a lifting beam connecting piece 12e respectively.
The lifting beam connecting piece 12e is composed of a plurality of strip-shaped sheet structures, through holes are formed in two ends of each strip-shaped sheet structure respectively, one ends of the two strip-shaped sheet structures are overlapped with each other and are connected in a rotating mode through rotating shafts, and the other ends of the two strip-shaped sheet structures are connected with the lifting beam base in a rotating mode respectively. The connecting elements also overlap one another layer by layer as the lifting beam 12a of each layer is lowered. When the lifting beams 12a rise, the connecting piece is expanded to the maximum position through the rotating shaft, and two adjacent lifting beams 12a can be connected and pulled, and the mutual pulling force can pull and rise each layer of lifting beams 12a.
The tube taking mechanism comprises an inserting rod 12c which is sleeved in the telescopic tube and penetrates through the telescopic tube, one end of the inserting rod 12c is a plug 12b of the tube taking mechanism, and the other end of the inserting rod 12c is an inserting rod limiting plate 12d with the diameter larger than that of the inserting rod 12 c;
the power system is connected with the lifting beam base and comprises a lifting beam servo motor 12i and a lifting beam reducer 12h which are arranged on the top of the headstock 12 through a lifting Liang Dianji support 12j.
The pushing mechanism 14 comprises a pushing cylinder and a pushing rod; the pulling-out mechanism 15 comprises a pulling-out air cylinder 15a and a pulling plate 15b integrally connected with an air cylinder connecting rod, and the plane of the pulling plate 15b is vertical to the length direction of the air cylinder connecting rod;
the push-in mechanism 14 and the pull-out mechanism 15 are arranged on the same side of the pull plate 15b in parallel, the push rod is arranged opposite to the inserted link limiting plate 12d, and the side edge of the pull plate 15b close to one side of the inserted link 12c is located between the inserted link limiting plate 12d and the plug 12b.
As shown in fig. 8, the packing mechanism 3 mainly includes a guiding and positioning device 32, a packing mechanism 31, a lifting carrier roller device 33 and a power mechanism, a packing belt bracket 31e and a packing arm 31c are arranged in the packing mechanism 31, the packing belt bracket 31e is arranged at the joint of the two packing arms 31c, a first limiting groove for a packing belt is arranged on the packing belt bracket 31e, and second limiting grooves for a packing belt are respectively arranged at one ends of the two packing arms 31c far away from the packing belt bracket 31 e; the steel pipe stack after falling is located in the guiding and positioning device 32, the power mechanism drives the packing arm 31c to close the arm to wrap the packing belt on the steel pipe stack, the packing arm 31c is driven to open after packing is completed, and the power mechanism drives the lifting carrier roller device 33 to act to convey the whole packed pipe after packing to a storage area.
The packaging machine is precisely positioned according to the shape of the package, and the headstock 12 takes out the tube according to the set shape of the whole package tube, and when an individual steel tube with an end part not aligned with other steel tubes exists at the same time of taking out the tube, the pushing mechanism 14 automatically pushes the tube. The specification and size of the packing arm 31c correspond to the packing shape of the whole packing tube one by one, and the steel tube packing shape is guaranteed to be compact and neat by matching with the guiding and positioning device 32.
The guiding and positioning device 32 is composed of a positioning rack 32a and positioning stop rods 32b, the positioning stop rods 32b comprise at least two bell-mouthed positioning racks 32a, the upper part and the lower part of the openings of the positioning racks are respectively arranged on the positioning rack 32a in a front-back manner, and the connecting line between the free ends of the two positioning stop rods 32b is vertical to the length direction of the whole packing pipe;
and/or the presence of a gas in the gas,
the bag closing mechanism 31 further comprises a packaging rack 31a, a hydraulic cylinder 31b, a pressing plate 31d and a force transfer plate 31f, wherein the hydraulic cylinder 31b is arranged on the packaging rack 31a, the packaging arm 31c is arranged above the hydraulic cylinder 31b, the force transfer plate 31f is arranged between the hydraulic cylinder 31b and the pressing plate 31d, one end of the force transfer plate 31f is in transmission connection with a hydraulic connecting rod of the hydraulic cylinder 31b, and the other end of the force transfer plate is connected with a rotating shaft at the bottom of the packaging arm 31 c; the pressing plate 31d is arranged at the free ends of the two packing arms 31c, and the second limiting groove of the packing belt is arranged on the pressing plate 31d.
Before packing arm 31c closed the arm, place packing area on band support 31e earlier, and imbed the first spacing groove in packing area that sets up on it, the both ends in packing area are embedded into the packing area second spacing inslot on two packing arm 31c free end clamp plates 31d respectively, when packing arm 31c closed the arm, clamp plate 31d openly from the top rotates downwards gradually, packing area is pressed on the steel pipe stack, later carry out manual welding with the tip in packing area again, wrap up the steel pipe stack is whole, form whole packet pipe.
At present, most packing belts are all from the waste pipe to open flatly, and it is onerous to open flat work itself just for the task, still need bend according to the manual work of package type when using in the packing, wastes time and energy, multi-purpose manual work. Therefore, the bag closing mechanism 31 adopts a double-arm flat-opening mode, the link of manually bending the packing belt is eliminated, the labor force is saved, the labor intensity is reduced, and the cost is saved.
The lifting carrier roller device 33 comprises a carrier roller base, a lifting roller bracket, a lifting mechanism and a lifting roller power motor; the lifting roller support is arranged on the carrier roller base and fixes two ends of the lifting roller, the lifting mechanism is arranged in the carrier roller base and located at the bottom of the lifting roller, the lifting roller power motor is connected with the lifting mechanism, and the conveying direction of the lifting roller is consistent with the length direction of the whole packing pipe.
The bag closing mechanisms 31 are arranged on the fixed base at four equal intervals, one lifting carrier roller device 33 is arranged between every two adjacent bag closing mechanisms 31, and one guiding and positioning device 32 is arranged between every two adjacent bag closing mechanisms 31 at two ends.
The large-pipe-diameter quick stacker crane provided by the invention has the following characteristics: the short-stroke pipe taking is completed by one-time stacking, the multilayer pipes are quickly lifted by a short stroke, and the whole pipe is stably operated once after being formed and then put into a packaging machine to complete the bag belt forming and welding, so that the pipe belts are not conveyed one by one, and the time is saved. In the welding process, the bag stacking work is carried out simultaneously and then the bag stacking work is put into a packaging machine, and the two work cycles are repeated and still kept. Therefore, the packaging speed is greatly increased, and the production efficiency and the rhythm are improved.
The conveying link adopts a soft start and soft stop mode, reduces mechanical impact force and loss, ensures appearance, has very low noise, accords with national standards for factory noise, and is beneficial to physical and psychological health of staff. In the past, the appearance of a large-diameter welded pipe is subjected to pit generation due to impact by freely falling off a stacking device, so that the defect recognized in the industry is overcome, and the problem is thoroughly solved by the stacking device.
The power mechanism part used in the invention uses a PLC self-programming program to accurately control the action of each link, can adjust the requirements of various product specifications and models in the control program at any time through remote monitoring and an operation table display according to the requirements, has simple operation and high conformity with the process, truly realizes man-machine separation, saves manpower and material resources, and simultaneously ensures the safety of workers.
The stacking method by using the large-diameter steel pipe rapid stacker crane comprises the following steps:
1) The headstock 12 is driven to be located on two sides of the automatic pipe stopper 2, steel pipes coming from the cooling bed are pushed to the automatic pipe stopper 2, the positioning slide rail mechanism limits the steel pipes at the foremost end to run to a preset position, after the steel pipes are pushed to a preset number of steel pipes, the pushing mechanism 14 at the bottom of the headstock 12 pushes the pipe taking mechanism in the lifting beam to take the pipes, the lifting beam moves upwards through the second conveying mechanism, the circulation is carried out, and after the steel pipes are lifted to a preset number of layers, the headstock 12 runs to the position right above the packing mechanism 3 along the headstock rack 11 through the first conveying mechanism 13; and in the preset number of layers of steel pipes, the number of each layer of steel pipes is equal or unequal.
The pushing mechanism 14 at the bottom of the headstock 12 pushes the tube taking mechanism in the lifting beam to take tubes, which specifically includes:
the push-in mechanism 14 pushes the insertion rod 12c, the lifting beam horizontally extends out at the same time, the plugs 12b are inserted into two ends of a plurality of steel pipes at the same time, and the two ends of all the steel pipes are clamped through the clamping mechanism.
2) The lifting beam descends through the second conveying mechanism, and the steel pipes all fall onto the packing mechanism 3 layer by layer and are positioned in the guide positioning device 32 to form a steel pipe stack; the pulling cylinder 15a is started, the pulling plate 15b moves to drag the inserted link limiting plate 12d, the inserted link 12c moves, and the taps are pulled out from the two ends of the steel pipe and are far away from the steel pipe; the plugs 12b at the two ends of all the steel pipes in the steel pipe stack are pulled out simultaneously, and the headstock 12 moves to the two sides of the automatic pipe stopper 2 again to continue pipe taking;
3) And starting the packing mechanism 31, closing the arm 31c, wrapping the packing belt on the steel pipe stack at the same time, welding the end parts of the packing belt by an operator, opening the packing arm 31c, starting the lifting carrier roller device 33, and conveying the packed whole packing pipe out of a packing area.
The packer can finish the packing with the length of 6015mm or less,
packaging with three specifications.
Example 1:
step 4, the lifting beam with the tubes taken rises, the lifting beam without the tubes taken at the lower layer rises to the insertion rod to the tube taking position, the automatic tube blocking device acts and is positioned at four positions, the pushing mechanism acts to push the insertion rod at the fourth layer, and then the pushing mechanism resets, and the insertion rod takes the 4 tubes at the fourth layer;
step 5, the lifting beam with the tubes taken rises, the lifting beam without the tubes taken at the lower layer rises to the insertion rod to the tube taking position, the automatic tube blocking device acts and is located at three positions, the pushing mechanism acts to push the fifth layer of insertion rod, then the pushing mechanism resets, the insertion rod takes the fifth layer of 3 tubes, and the tube taking is finished;
step 6, the lifting beam carries the five layers of steel pipes to rise to the highest position, and a sliding block on a sliding rail in a positioning sliding rail mechanism on the automatic pipe stopper returns to the original position and then moves to three positions;
step 7, arranging a lifting carrier roller device, a bag closing mechanism and a guiding and positioning device on the same horizontal plane, meanwhile, placing a packing belt on a bag belt support, and enabling a power mechanism of a headstock to act to enable the headstock to carry the taken five layers of steel pipes to move right above a packing area;
step 8, the lifting beam descends, all five layers of steel pipes are placed into the guiding and positioning device layer by layer and are positioned on the surfaces of the bag closing mechanism and the lifting carrier roller device, then the pulling mechanism acts, and all plugs on the five layers of moving beams are pulled out simultaneously;
step 9, the power mechanism of the headstock continues to act, the headstock returns to the pipe taking position where the automatic pipe stopper is located again, and the steps are repeatedly circulated to take pipes;
and 11, after the whole packing pipe is completely separated from the packing area, resetting the lifting carrier roller device, continuously laying the packing belt, and completing the preparation work of the packing area.
Example 2:
when packaging phi 219, the inserted link only uses the lower three layers, the upper two layers of inserted links are always in a pull-out state, three layers of pipes are taken out, namely, the three layers of pipes are used as a whole packing pipe, and the working flow of packaging according to 232 sequence is as follows:
and 4, lifting the three layers of steel pipes to the highest position by the lifting beam, and moving the sliding block on the sliding rail in the positioning sliding rail mechanism on the automatic pipe stopper to two positions after returning to the original position.
Step 5, arranging a lifting carrier roller device, a bag closing mechanism and a guiding and positioning device on the same horizontal plane, meanwhile, placing a packing belt on a bag belt support, and enabling a power mechanism of a headstock to act to enable the headstock to carry the taken three layers of steel pipes to move right above a packing area;
step 6, the lifting beam descends, all three layers of steel pipes are placed into the guiding and positioning device layer by layer and are positioned on the surfaces of the bag closing mechanism and the lifting carrier roller device, then the pulling mechanism acts, and all plugs on the lower three layers of movable beams are pulled out;
7, the power mechanism of the headstock continues to act, the headstock returns to the pipe taking position where the automatic pipe stopper is located again, and the steps are repeatedly circulated to take pipes;
step 8, a bag closing arm in the bag closing mechanism closes a bag, a bag belt is welded to form a whole bag pipe after the bag closing arm is completed, then the bag closing arm is opened and horizontally placed, a lifting carrier roller device is started and lifted, and the packed whole bag pipe is conveyed to a storage area;
and 9, after the whole packing pipe is completely separated from the packing area, resetting the lifting carrier roller device, continuously laying the packing belt, and completing the preparation work of the packing area.
Practice proves that the large-diameter steel pipe rapid stacking machine provided by the invention has the advantages of high automation degree, reasonable process arrangement and capability of saving part of input of manpower and material resources; the structure of each part is obvious, the adjustment specification is simple and easy, the maintenance is convenient, and the device is more suitable for the prior art and the operating population.
In the aspect of environmental pollution, the noise can reach the national regulation requirement range. Is beneficial to the health of the staff.
In the aspects of labor intensity and cost, the manual bending link of the strap is saved, and the wage can be saved by about 5 ten thousand yuan per year.
The packing work is carried out by only 2 persons, and the wages of the persons are saved by 10 ten thousand yuan.
(1) In the aspect of equipment (crane) utilization rate, multiple bags are hoisted and unloaded, the crane traveling rate can be reduced by 50% -75%, and the electric energy, crane equipment abrasion and personnel operation are reduced by at least 50%.
(2) One package and one crane are adopted, 0.2-degree electricity is needed for each cycle of the traveling crane, the electricity consumption is about 120 degrees per day according to 600 pieces per day. 4 package one hangs, and the work load is 1/4 of former, and natural power saving rate can reduce 3/4, and the electric energy 2700 degrees are practiced thrift at least every month to the annual 30000 degree electricity that saves.
The capacity condition, for example 219, the original baling press speed is limited to below 30m/min, and reaching 30m/min can be a limit, at this time, the baling press has sufficient physical strength and fatigue, the actual physical strength and endurance of the baling press are refined, and as a result, only 514 bales can be produced at an operating rate of 100%.
The vehicle speed of the existing packaging equipment can reach 43m/min, 663 tasks can be easily completed even if the operation rate is 90 percent, the weight of each month is calculated according to 1 ton on average, 149 tons can be produced in each shift, and more than 5.3 million tons can be produced in a single shift all the year.
Taking 165 as an example, the daily output of the original packaging machine is 1126 tons, the daily output of the current packaging machine is 1327 tons, the daily increase is 201 tons, the annual increase is 7.2 or more ten thousand tons, and the economic benefit is huge.
The packaging speed is ensured, the packaging type is compact and neat, and the ex-warehouse qualification rate is improved.
Although the embodiments of the present invention have been described above, the embodiments are only given as examples and are not intended to limit the scope of the present invention. These new embodiments can be implemented in other various ways, and various omissions, substitutions, and changes can be made without departing from the spirit of the present invention. These embodiments and modifications thereof are included in the scope and gist of the present invention, and are also included in the invention described in the claims and the equivalent scope thereof.
Claims (7)
1. Quick hacking machine of large diameter steel pipe, its characterized in that includes: the automatic pipe blocking device, the lifting beam pipe taking device and the packing mechanism are arranged on the lifting beam; the lifting beam pipe taking device comprises a machine head rack, a first conveying mechanism and a machine head frame which are symmetrically arranged, wherein the machine head frame is arranged on the machine head rack through the first conveying mechanism and reciprocates on the machine head rack along with the first conveying mechanism; the automatic pipe stopper and the packing mechanism are arranged between the two machine head racks, wherein the automatic pipe stopper is arranged at one end of the first conveying mechanism close to the discharge hole of the steel pipe cooling bed, and the packing mechanism is arranged at the other end of the first conveying mechanism;
the automatic pipe blocking device mainly comprises a supporting box body, a positioning slide rail mechanism and a conveying mechanism, wherein the positioning slide rail mechanism and the conveying mechanism are arranged on the supporting box body in parallel, the surfaces of the positioning slide rail mechanism and the conveying mechanism are flush, the positioning slide rail mechanism conveys and positions the steel pipe, and the conveying mechanism assists the positioning slide rail mechanism to convey the steel pipe to a positioning position;
the headstock mainly comprises a lifting beam, a pipe taking mechanism, a second conveying mechanism arranged along the height direction of the second conveying mechanism and a power system for driving the second conveying mechanism to reciprocate up and down, wherein a plurality of lifts Liang Zhuceng are arranged on the second conveying mechanism, each layer of lifting beam is provided with the pipe taking mechanism, and the lower end of the headstock is provided with a push-in mechanism for pushing the pipe taking mechanism to take a pipe and a pull-out mechanism for pulling the pipe taking mechanism out of two ends of a steel pipe after the pipe is placed;
the packaging mechanism mainly comprises a guiding and positioning device, a packaging mechanism, a lifting carrier roller device and a power mechanism, wherein a packaging belt support and packaging arms are arranged in the packaging mechanism, the packaging belt support is arranged at the joint of the two packaging arms, a packaging belt first limiting groove is arranged on the packaging belt support, and a packaging belt second limiting groove is respectively arranged at one end, far away from the packaging belt support, of each of the two packaging arms; the steel pipe stack after falling is positioned in the guiding and positioning device, the power mechanism drives the packing arm closing arm to wrap the packing belt on the steel pipe stack, the packing arm is driven to open after packing is finished, and the power mechanism drives the lifting carrier roller device to act to convey the whole packed pipe after packing to a storage area;
the second conveying mechanism comprises a transmission rod and a lifting slide rail, wherein the transmission rod and the lifting slide rail are arranged from the top end to the bottom end of the headstock, and the lifting slide rail comprises two parts which are arranged on two sides of the transmission rod;
the lifting beam comprises a lifting beam base connected with the second conveying mechanism and a telescopic pipe which is movably connected with the lifting beam base and can horizontally stretch, the middle part of the lifting beam base is sleeved with the transmission rod, and two sides of the lifting beam base are connected with the lifting slide rail in a sliding manner; the free end of the telescopic pipe is provided with a clamping mechanism; two sides of two lifting beam bases which are adjacent up and down are respectively movably connected through a lifting beam connecting piece;
the pipe taking mechanism comprises an inserting rod which is sleeved in the telescopic pipe and penetrates through the telescopic pipe, one end of the inserting rod is a plug for taking the pipe, and the other end of the inserting rod is an inserting rod limiting plate with the diameter larger than that of the inserting rod;
the power system is connected with the lifting beam base and comprises a lifting beam servo motor and a lifting beam reducer, and the lifting beam servo motor and the lifting beam reducer are both supported on the top of the headstock through a lifting Liang Dianji;
the pushing mechanism comprises a pushing cylinder and a pushing rod; the pulling-out mechanism comprises a pulling-out air cylinder and a pulling plate integrally connected with an air cylinder connecting rod, and the plane of the pulling plate is vertical to the length direction of the air cylinder connecting rod;
the push-in mechanism and the pull-out mechanism are arranged on the same side of the pull plate in parallel, the push-in rod is arranged opposite to the inserted rod limiting plate, and the side edge of the pull plate close to one side of the inserted rod is positioned between the inserted rod limiting plate and the plug;
the guide positioning device consists of a positioning rack and positioning stop rods, the positioning stop rods comprise at least two positioning racks, the positioning racks are in a bell mouth shape, the upper part and the lower part of the openings of the positioning racks are divided into a front part and a rear part, and a connecting line between the free ends of the two positioning stop rods is vertical to the direction of the length of the whole packing tube;
the bag closing mechanism further comprises a packaging rack, a hydraulic cylinder, a pressing plate and a force transmission plate, the hydraulic cylinder is arranged on the packaging rack, the packaging arm is arranged above the hydraulic cylinder, the force transmission plate is arranged between the hydraulic cylinder and the packaging arm, one end of the force transmission plate is in transmission connection with a hydraulic connecting rod of the hydraulic cylinder, and the other end of the force transmission plate is connected with a rotating shaft at the bottom of the packaging arm; the pressing plates are arranged at the free ends of the two packing arms, and the second limiting grooves of the packing belts are arranged on the pressing plates.
2. The large-diameter steel pipe fast stacker according to claim 1,
the positioning slide rail mechanism comprises a limiting guide rail, a limiting slide block, a baffle, a guide rail bracket, a limiting speed reducer and a limiting servo motor; the conveying mechanism comprises a roller and a roller bracket; the limiting guide rail and the rollers are arranged on the supporting box body in parallel through a guide rail bracket and a roller bracket respectively; the limiting slide block is sleeved on the limiting guide rail, the baffle plate for limiting the steel pipe is arranged at the upper end of the limiting slide block, and the limiting servo motor and the limiting speed reducer are both connected with the limiting slide block.
3. The large-diameter steel pipe rapid stacker according to claim 1, wherein the lifting carrier roller device comprises a carrier roller base, a lifting roller bracket, a lifting mechanism and a lifting roller power motor; the lifting roller support is arranged on the carrier roller base and fixes two ends of the lifting roller, the lifting mechanism is arranged in the carrier roller base and located at the bottom of the lifting roller, the lifting roller power motor is connected with the lifting mechanism, and the conveying direction of the lifting roller is consistent with the length direction of the whole packing pipe.
4. A rapid large-diameter steel pipe stacker according to any one of claims 1 to 3, wherein the bag closing mechanisms comprise four bag closing mechanisms which are arranged on the fixed base at equal intervals, the lifting carrier roller device is arranged between every two adjacent bag closing mechanisms, and the guiding and positioning devices are respectively arranged between every two adjacent bag closing mechanisms at two ends.
5. The stacking method of the large-diameter steel pipe quick stacker according to any one of claims 1 to 4, comprising the following steps:
1) The headstock is driven to be positioned on two sides of the automatic pipe stopper, steel pipes from the cooling bed are pushed to the automatic pipe stopper, the positioning slide rail mechanism limits the steel pipes at the forefront end to move to a preset position, after the steel pipes are pushed to a preset number of steel pipes, the pushing mechanism at the bottom of the headstock pushes the pipe taking mechanism in the lifting beam to take the pipes, the lifting beam moves upwards through the second conveying mechanism, the circulation is carried out, and after the steel pipes are lifted to a preset number of layers, the headstock moves to the position right above the packing mechanism along the headstock rack through the first conveying mechanism; the number of the steel pipes in each layer is equal or unequal in the preset number of layers of steel pipes;
2) The lifting beam descends through the second conveying mechanism, and the steel pipes all fall onto the packing mechanism layer by layer and are positioned in the guiding and positioning device to form a steel pipe stack; starting the pulling-out mechanism, pulling out the pipe taking mechanisms inserted into the two ends of the steel pipe stack, and moving the headstock to the two sides of the automatic pipe stopper again to continue pipe taking;
3) And starting the packing mechanism, the packing arm closes the arm, the packing belt is simultaneously wrapped on the steel pipe stack, an operator welds the end parts of the packing belt, then the packing arm is opened, the lifting carrier roller device is started, and the packed whole packing pipe is conveyed out of a packing area.
6. The palletizing method according to claim 5, wherein in the step 1), the pushing mechanism at the bottom of the headstock pushes the pipe taking mechanism in the lifting beam to take pipes, and the method specifically comprises the following steps:
the pushing mechanism pushes the inserted bar, the lifting beam horizontally extends out simultaneously, the plugs are inserted into two ends of the steel pipes simultaneously, and the two ends of all the steel pipes are clamped through the clamping mechanism.
7. The palletizing method according to claim 5, wherein in the step 2), the pulling-out mechanism is started to pull out the tube taking mechanisms inserted into the two ends of the stack of steel tubes, and the method specifically comprises the following steps:
starting the pull-out air cylinder, moving the pull plate, dragging the inserted link limiting plate, moving the inserted link, and pulling out the plug from two ends of the steel pipe and keeping away from the steel pipe; the plugs at both ends of all the steel tubes in the steel tube stack are pulled out simultaneously.
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| CN201710195656.7A CN106976731B (en) | 2017-03-29 | 2017-03-29 | Rapid stacking machine and stacking method for large-diameter steel pipes |
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| CN201710195656.7A CN106976731B (en) | 2017-03-29 | 2017-03-29 | Rapid stacking machine and stacking method for large-diameter steel pipes |
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| CN106976731B true CN106976731B (en) | 2022-12-09 |
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Inventor after: Li Maojin Inventor after: Xu Guangyou Inventor after: Ding Xiuchen Inventor after: Yuan Wenqiao Inventor after: Wang Jianlong Inventor after: Liu Shu Inventor after: Wang Shuai Inventor before: Yuan Wenqiao Inventor before: Wang Jianlong Inventor before: Liu Shu Inventor before: Wang Shuai |
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Effective date of registration: 20180125 Address after: 301600 Daegu Zhuang Town, Jinghai District, Tianjin City, 100 billion yuan industrial zone Applicant after: TIANJIN YOUFA STEEL PIPE GROUP Co.,Ltd. Applicant after: HANDAN YOUFA STEEL PIPE Co.,Ltd. Address before: 056700 Handan City, Hebei, Cheng An County commercial district Applicant before: HANDAN YOUFA STEEL PIPE Co.,Ltd. |
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