CN117208295B - Automatic bundling device and method for hot-rolled seamless steel pipes - Google Patents
Automatic bundling device and method for hot-rolled seamless steel pipes Download PDFInfo
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- CN117208295B CN117208295B CN202311476274.3A CN202311476274A CN117208295B CN 117208295 B CN117208295 B CN 117208295B CN 202311476274 A CN202311476274 A CN 202311476274A CN 117208295 B CN117208295 B CN 117208295B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 136
- 239000010959 steel Substances 0.000 title claims abstract description 136
- 238000000034 method Methods 0.000 title claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 315
- 229910052742 iron Inorganic materials 0.000 claims abstract description 158
- 230000007246 mechanism Effects 0.000 claims abstract description 85
- 238000005520 cutting process Methods 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims description 46
- 239000003921 oil Substances 0.000 claims description 28
- 238000004804 winding Methods 0.000 claims description 10
- 239000010730 cutting oil Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 3
- 238000005098 hot rolling Methods 0.000 claims 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses an automatic bundling device and method for hot-rolled seamless steel pipes, and relates to the technical field of bundling of hot-rolled seamless steel pipes.A twisting mechanism for twisting two free ends of an iron bar is arranged at the front side of a conveyor at the forefront end, and a feeding mechanism for feeding the iron bar is arranged below the twisting mechanism; the twisting mechanism comprises a portal frame fixedly arranged on the base plate, a lifting oil cylinder and a lower oil cylinder fixedly arranged on the top surface of a portal frame beam, connecting rods are hinged to the left end part and the right end part of the turntable, springs are fixedly arranged between the inner side walls of the connecting rods and the turntable, a sleeve is fixedly arranged on the bottom surface of the connecting rods, and universal wheels are arranged on the top surface of the connecting rods; the feeding mechanism comprises a guide hole formed in a right upright post of the portal frame, an iron strip unreeling mechanism arranged on the backing plate, an iron strip driving mechanism and an iron strip cutting mechanism. The beneficial effects of the invention are as follows: greatly lightens the working intensity of workers, greatly improves the bundling efficiency of the hot rolled seamless steel tube and has high automation degree.
Description
Technical Field
The invention relates to the technical field of bundling hot-rolled seamless steel pipes, in particular to an automatic bundling device and method for hot-rolled seamless steel pipes.
Background
The hot rolled seamless steel pipes are installed in a large number in a stratum for conveying tap water and also for conveying hot water of a boiler. The hot rolled seamless steel pipe is produced and formed on an automatic pipe rolling machine set, and the inside of the hot rolled seamless steel pipe is hollow. When a batch of hot-rolled seamless steel pipes are produced in a workshop, a plurality of hot-rolled seamless steel pipes are required to be bundled together in a process, namely, a plurality of hot-rolled seamless steel pipes are fixed together, and when the hot-rolled seamless steel pipes are bundled into a bundle, workers can conveniently convey the bundle of hot-rolled seamless steel pipes to a client. The method for bundling the hot-rolled seamless steel pipes in a certain production workshop comprises the following steps:
s1, stacking a plurality of hot-rolled seamless steel pipes layer by layer on a roller of a conveyor by workers, and then blocking the outer parts of the hot-rolled seamless steel pipes to prevent the hot-rolled seamless steel pipes from being scattered; s2, taking out one iron bar 1 by a worker, winding the iron bar 1 outside the stacked hot-rolled seamless steel pipes 2, then clamping two free ends of the iron bar 1 by the worker through pliers, and manually rotating the pliers by the worker, wherein the two free ends of the iron bar 1 are twisted by the rotated pliers to form a twisting part 3, so that the first circle of the iron bar 1 is bundled on the front end parts of the plurality of hot-rolled seamless steel pipes 2, as shown in fig. 1-2; s3, repeating the operation of the step S2, namely binding a plurality of circles of iron strips 1 along the length direction of the hot-rolled seamless steel tube 2, so as to finally bind a plurality of hot-rolled seamless steel tubes 2 together, as shown in FIG. 3; s4, after bundling, the worker uses a hoisting machine to hoist the steel pipes bundled into a whole on a transport vehicle, and the steel pipes are transported to a customer through the transport vehicle.
However, although the method adopted in the shop can integrate a plurality of hot-rolled seamless steel pipes, the following technical drawbacks still exist in actual operations:
I. in step S2, the iron strip 1 is manually wound around the stacked hot-rolled seamless steel pipes 2, and then the two free ends of the iron strip 1 are manually twisted by pliers, so that a circle of the iron strip 1 can be tied up outside the hot-rolled seamless steel pipes 2, and the whole operation is completed manually, thereby not only increasing the working strength of workers, but also reducing the tying efficiency of the hot-rolled seamless steel pipes.
II. Because the length of the hot-rolled seamless steel tube 2 is as long as 10-15 m, corresponding iron strips 1 need to be bound on the hot-rolled seamless steel tube 2 in a plurality of circles, and the hot-rolled seamless steel tube 2 is bound manually one circle by one circle, the time consumption is long, and the binding time of the hot-rolled seamless steel tube is obviously increased, so that the binding efficiency of the hot-rolled seamless steel tube is further reduced. Therefore, there is a need for a strapping apparatus and method that reduces the labor intensity of workers and greatly improves the strapping efficiency of hot rolled seamless steel pipes.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an automatic binding device and method for hot-rolled seamless steel pipes, which can greatly lighten the working strength of workers, greatly improve the binding efficiency of the hot-rolled seamless steel pipes and have high automation degree.
The aim of the invention is achieved by the following technical scheme: the automatic bundling device for the hot-rolled seamless steel pipes comprises a plurality of conveyors for conveying the hot-rolled seamless steel pipes, wherein the conveyors are sequentially arranged on a backing plate from back to front, a limiting assembly for preventing the hot-rolled seamless steel pipes from being scattered is arranged between every two adjacent conveyors, a stranding mechanism for stranding two free ends of an iron strip is further arranged on the front side of the conveyor at the forefront end, a feeding mechanism for feeding the iron strip is arranged below the stranding mechanism, and a roller conveyor mounted on the backing plate is arranged on the front side of the stranding mechanism;
the stranding mechanism comprises a portal frame fixedly arranged on a base plate, a lifting oil cylinder and a lower pressure oil cylinder which are fixedly arranged on the top surface of a portal frame beam, wherein a piston rod of the lower pressure oil cylinder penetrates through the beam, an annular pressing plate is fixedly arranged on an extending end, the piston rod of the lifting oil cylinder sequentially penetrates through the beam and a central hole of the annular pressing plate, a lifting plate is fixedly arranged on the extending end, a hydraulic motor is fixedly arranged on the top surface of the lifting plate, an output shaft of the hydraulic motor downwards penetrates through the lifting plate, a turntable is fixedly arranged on the extending end, connecting rods are hinged to the left end and the right end of the turntable, a spring is fixedly arranged between the inner side wall of the connecting rod and the turntable, a sleeve is fixedly arranged on the bottom surface of the connecting rod, and universal wheels are arranged on the top surface of the connecting rod;
the feeding mechanism comprises a guide hole formed in a right upright post of the portal frame, an iron strip unreeling mechanism, an iron strip driving mechanism and an iron strip cutting mechanism, wherein the iron strip unreeling mechanism, the iron strip driving mechanism and the iron strip cutting mechanism are arranged on a base plate, the guide hole and the two sleeve through holes are positioned on the same horizontal straight line, and the iron strip unreeling mechanism, the iron strip driving mechanism and the iron strip cutting mechanism are sequentially arranged on the base plate from right to left and are arranged below a portal frame beam.
The conveyor comprises a driving motor and two mounting frames, wherein the driving motor and the two mounting frames are fixedly arranged on the base plate, a roller is rotatably arranged between the two mounting frames, and an output shaft of the driving motor is connected with one end of the roller.
The limiting assembly comprises a base fixedly arranged on the base plate and guard plates fixedly arranged on the left side and the right side of the base respectively, and a limiting cylinder obliquely arranged is rotatably arranged on the guard plates.
The left end and the right end of the top surface of the turntable are fixedly provided with hinge seats, and the two connecting rods are hinged on the hinge seats through distribution shafts.
The top surface of the portal frame beam is fixedly provided with two lifting cylinders, the acting ends of the piston rods of the two lifting cylinders are fixedly arranged on the lifting plate, the top surface of the portal frame beam is fixedly provided with two pressing cylinders, and the acting ends of the piston rods of the two pressing cylinders are respectively welded at the left end and the right end of the annular pressing plate.
The iron strip unreeling mechanism comprises a stand fixedly arranged on the base plate, a winding drum rotatably arranged in the stand, and an iron strip reel is arranged on the winding drum.
The iron bar driving mechanism comprises a first support fixedly arranged on the base plate, a driving wheel and a driven wheel rotatably arranged in the first support, a gap is reserved between the driving wheel and the driven wheel, the gap and the guide hole are positioned on the same horizontal line, a servo motor is fixedly arranged on the rear side wall of the first support, and an output shaft of the servo motor is connected with the driving wheel.
The iron bar cutting mechanism comprises a second support fixedly arranged on the base plate, a cutter holder fixedly arranged in the second support and a cutting oil cylinder fixedly arranged at the top of the second support, a piston rod of the cutting oil cylinder penetrates through the top of the second support, a cutter is fixedly arranged at the extending end, a groove positioned under the cutter is formed in the top surface of the cutter holder, and the groove is matched with the cutter.
The bundling device also comprises a controller, wherein the controller is electrically connected with the hydraulic motor, the driving motor, the servo motor, the cutting oil cylinder, the lifting oil cylinder and the lower pressure oil cylinder through signal wires.
An automatic bundling method for hot-rolled seamless steel pipes comprises the following steps:
s1, installing a plurality of hot-rolled seamless steel pipes: a worker firstly places a horizontal row of hot-rolled seamless steel pipes between the rollers of each conveyor, and ensures that a first horizontal row of hot-rolled seamless steel pipes are positioned between two limiting cylinders of each limiting assembly; then stacking a second hot rolled seamless steel tube above the first transverse row of hot rolled seamless steel tubes and ensuring that the second transverse row of hot rolled seamless steel tubes are between two limiting cylinders of each limiting assembly; finally stacking a third transverse row of hot-rolled seamless steel pipes on the second transverse row of hot-rolled seamless steel pipes, thereby realizing the installation of a plurality of hot-rolled seamless steel pipes;
s2, controlling the driving motors of the conveyors to start, driving the corresponding rollers to rotate, driving the hot-rolled seamless steel pipes of the transverse rows to synchronously move forwards by the rollers, and controlling the driving motors to close after the front end parts of the hot-rolled seamless steel pipes of the transverse rows enter a feeding station of a feeding mechanism by a controller;
s3, a worker pulls the head end part of the iron strip reel on the iron strip unreeling mechanism out of the guide hole, then the head end part of the iron strip reel passes through a gap between the driving wheel and the driven wheel, and finally the head end part of the iron strip reel is pulled to the top surface of the cutter holder;
s4, bundling a first circle of iron strips at the front end parts of the transverse rows of hot-rolled seamless steel pipes, wherein the specific operation steps are as follows:
s41, controlling a servo motor of the iron bar driving mechanism to start, enabling the servo motor to drive a driving wheel to rotate clockwise, gradually unreeling an iron bar reel from a reel of the iron bar unreeling mechanism under the driving of the driving wheel, enabling the head end of the iron bar reel to move from right to left, enabling the head end of the iron bar reel to pass through a through hole of a right sleeve and then pass through a through hole of a left sleeve, and controlling the servo motor to be closed by a controller after an output shaft of the servo motor rotates to a set time;
s42, a controller controls a piston rod of a cutting oil cylinder of the iron bar cutting mechanism to move downwards, the piston rod drives a cutter to move downwards, and after the cutter is matched with a groove of a cutter holder, the cutter cuts off the head end part of the iron bar reel, so that an iron bar for bundling is obtained between the two sleeves;
s43, controlling a piston rod of the cutting-off oil cylinder to retract upwards, and driving a cutter to move upwards by the piston rod;
s44, lifting two free ends of the iron bar: the piston rod of the lifting oil cylinder is controlled to retract upwards, the piston rod drives the lifting plate to move upwards, the lifting plate drives the hydraulic motor to move upwards, the hydraulic motor drives the rotary table to move upwards, the rotary table drives the two connecting rods to move upwards synchronously, the connecting rods drive the sleeve and the universal wheel to move upwards synchronously, and the two free ends of the iron bar are lifted upwards by the two sleeves; when the piston rod of the lifting oil cylinder is completely retracted, the two universal wheels are respectively contacted with the bottom surfaces of the left end part and the right end part of the annular pressing plate;
s45, primarily winding iron bars on the front end parts of the transverse rows of hot-rolled seamless steel pipes: controlling the piston rods of the two downward-pressing cylinders to extend downwards, driving the annular pressing plates to move downwards, pressing the universal wheels downwards, enabling the universal wheels to enable the connecting rods to rotate outwards around the hinge base, enabling the connecting rods to compress the springs inwards, simultaneously enabling the connecting rods to drive the sleeves to rotate inwards, enabling the free ends of the iron bars to be close to each other, enabling the iron bars to shrink upwards, and enabling the iron bars to be primarily wound on the front end parts of the transverse rows of hot-rolled seamless steel pipes after the piston rods of the downward-pressing cylinders extend completely;
s46, twisting two free ends of the iron bar: the hydraulic motor is controlled to start, the hydraulic motor drives an output shaft of the hydraulic motor to rotate, the output shaft drives a rotary table to rotate, the rotary table drives two connecting rods to synchronously rotate, the connecting rods drive universal wheels and sleeves to synchronously rotate, the universal wheels do circumferential rotation on the bottom surface of the annular pressing plate, and meanwhile, the sleeves synchronously rotate the free ends of the iron bars, so that the two free ends of the iron bars are gradually twisted, and the iron bars further shrink in the twisting process; when the output shaft of the hydraulic motor rotates to a set time, the controller controls the hydraulic motor to be closed, and at the moment, a twisting part is formed on the iron bar; then controlling the piston rods of the two pressing cylinders to retract upwards, driving the annular pressing plate to move upwards by the piston rods, separating the annular pressing plate from the universal wheels, enabling the connecting rods to rotate outwards under the restoring force of the springs, and finally binding the first ring of iron strips at the front end parts of the transverse rows of hot-rolled seamless steel pipes after the connecting rods are reset;
s5, controlling the driving motors of the conveyors to start, driving the corresponding rollers to rotate, driving the hot-rolled seamless steel pipes in each transverse row to synchronously move forwards by the rollers, and controlling the driving motors to close after the second binding position of the hot-rolled seamless steel pipes enters a feeding station of the feeding mechanism; then repeating the operation of the step S4, and binding a second circle of iron strips at a second binding position of the hot-rolled seamless steel tube;
s6, repeating the operation of the step S5 for a plurality of times, and binding a plurality of circles of iron strips along the length direction of the hot-rolled seamless steel pipe, so that a plurality of hot-rolled seamless steel pipes are finally bound into a whole;
s7, controlling the driving motor to start continuously, at the moment, all the hot-rolled seamless steel pipes bound into a whole fall onto a roller way of the roller way conveyor, and hoisting the hot-rolled seamless steel pipes bound into a whole onto a transport vehicle by a hoisting machine by workers, and conveying the hot-rolled seamless steel pipes into a client through the transport vehicle.
The invention has the following advantages: greatly lightens the working intensity of workers, greatly improves the bundling efficiency of the hot rolled seamless steel tube and has high automation degree.
Drawings
FIG. 1 is a schematic view of bundling a first round of iron rods on the front end portions of a plurality of hot rolled seamless steel pipes;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic view of bundling multiple turns of iron strap on a hot rolled seamless steel tube;
FIG. 4 is a schematic diagram of the structure of the present invention;
FIG. 5 is a schematic diagram of a conveyor;
FIG. 6 is a front view of FIG. 5;
FIG. 7 is a schematic structural view of a spacing assembly;
FIG. 8 is a front view of FIG. 7;
FIG. 9 is a schematic view in section A-A of FIG. 4;
FIG. 10 is a schematic view of the iron unwinding mechanism;
FIG. 11 is a schematic view of the structure of the bar drive mechanism;
FIG. 12 is a left side view of FIG. 11;
FIG. 13 is a schematic view of the structure of the iron bar cutting mechanism;
FIG. 14 is a right side view of FIG. 13;
FIG. 15 is a schematic illustration of the connection of the connecting rod, sleeve and universal wheel;
FIG. 16 is a schematic view of the structure of an annular plate;
FIG. 17 is a schematic view of the installation of a plurality of hot rolled seamless steel pipes according to the present invention;
FIG. 18 is a schematic view in section B-B of FIG. 17;
FIG. 19 is a schematic view in section C-C of FIG. 17;
FIG. 20 is a schematic view showing the front end portion of each horizontal row of hot rolled seamless steel pipes entering a loading station of the loading mechanism;
FIG. 21 is a schematic view of the structure of FIG. 20 with the stranding mechanism and the loading mechanism removed;
FIG. 22 is a schematic view of section D-D of FIG. 20;
FIG. 23 is a schematic drawing of the leading end of the iron reel being pulled onto the top surface of the holder;
FIG. 24 is an enlarged partial view of the portion I of FIG. 23;
FIG. 25 is a schematic view of the top end of the iron reel after passing through the through holes of the two sleeves;
FIG. 26 is a schematic view of the cutter cutting the leading end of the iron reel;
FIG. 27 is an enlarged partial view of section II of FIG. 26;
FIG. 28 is a schematic view of two sleeves lifting two free ends of an iron bar upward;
FIG. 29 is a schematic view showing iron rods preliminarily wound around the front end portions of the respective lateral rows of hot-rolled seamless steel pipes;
FIG. 30 is a schematic view showing the bundling of the first round of iron rods at the front end portions of the respective horizontal rows of hot-rolled seamless steel pipes;
FIG. 31 is a schematic view of a hot rolled seamless steel tube bundled in one piece falling onto a roller conveyor;
in the figure:
1-iron bars, 2-hot rolled seamless steel pipes, 3-stranding parts;
the device comprises a 4-backing plate, a 5-conveyor, a 6-limiting component, a 7-stranding mechanism, an 8-roller conveyor, a 9-portal frame, a 10-lifting cylinder, an 11-pressing cylinder, a 12-annular pressing plate, a 13-central hole, a 14-lifting plate, a 15-hydraulic motor, a 16-turntable, a 17-connecting rod, a 18-spring, a 19-sleeve and a 20-universal wheel;
the device comprises a guide hole 21, an iron strip unreeling mechanism 22, an iron strip driving mechanism 23, an iron strip cutting mechanism 24, a driving motor 25, a roller 26, a base 27, a limit cylinder 28, a hinge seat 29, a pin shaft 30, a rack 31, a roller 32, an iron strip reel 33, a first bracket 34, a driving wheel 35, a driven wheel 36, a servo motor 37, a second bracket 38, a cutter holder 39, a cutting cylinder 40, a cutter 41 and a groove 42.
Detailed Description
The invention is further described below with reference to the accompanying drawings, the scope of the invention not being limited to the following:
as shown in fig. 4-16, an automatic bundling device for hot-rolled seamless steel pipes comprises a plurality of conveyors 5 which are sequentially arranged on a backing plate 4 from back to front, wherein a limiting component 6 for preventing the hot-rolled seamless steel pipes 2 from scattering is arranged between every two adjacent conveyors 5, a stranding mechanism 7 for stranding two free ends of an iron bar 1 is further arranged on the front side of the conveyor 5 at the foremost end, a feeding mechanism for feeding the iron bar 1 is arranged below the stranding mechanism 7, and a roller conveyor 8 arranged on the backing plate 4 is arranged on the front side of the stranding mechanism 7; the conveyor 5 comprises a driving motor 25 and two mounting frames, wherein the driving motor 25 and the two mounting frames are fixedly arranged on the base plate 4, a roller 26 is rotatably arranged between the two mounting frames, and an output shaft of the driving motor 25 is connected with one end of the roller 26. The limiting assembly 6 comprises a base 27 fixedly arranged on the base plate 4 and guard plates fixedly arranged on the left side and the right side of the base 27 respectively, and a limiting cylinder 28 obliquely arranged is rotatably arranged on the guard plates.
The stranding mechanism 7 comprises a portal frame 9 fixedly arranged on the base plate 4, a lifting oil cylinder 10 and a lower oil cylinder 11 which are fixedly arranged on the top surface of a beam of the portal frame 9, a piston rod of the lower oil cylinder 11 penetrates through the beam, an annular pressing plate 12 is fixedly arranged on an extending end, the piston rod of the lifting oil cylinder 10 sequentially penetrates through the beam and a central hole 13 of the annular pressing plate 12, a lifting plate 14 is fixedly arranged on the extending end, a hydraulic motor 15 is fixedly arranged on the top surface of the lifting plate 14, an output shaft of the hydraulic motor 15 downwards penetrates through the lifting plate 14, a turntable 16 is fixedly arranged on the extending end, connecting rods 17 are hinged to the left end and the right end of each turntable 16, a spring 18 is fixedly arranged between the inner side wall of each connecting rod 17 and the turntable 16, a sleeve 19 is fixedly arranged on the bottom surface of each connecting rod 17, and universal wheels 20 are arranged on the top surface of each connecting rod 17; hinge bases 29 are fixedly arranged at the left end and the right end of the top surface of the turntable 16, and the two connecting rods 17 are hinged on the hinge bases 29 through a distribution shaft 30. Two lifting cylinders 10 are fixedly arranged on the top surface of the cross beam of the portal frame 9, the acting ends of the piston rods of the two lifting cylinders 10 are fixedly arranged on the lifting plate 14, two pressing cylinders 11 are fixedly arranged on the top surface of the cross beam of the portal frame 9, and the acting ends of the piston rods of the two pressing cylinders 11 are respectively welded at the left end and the right end of the annular pressing plate 12.
The feeding mechanism comprises a guide hole 21 formed in a right upright post of the portal frame 9, an iron strip unreeling mechanism 22, an iron strip driving mechanism 23 and an iron strip cutting mechanism 24 which are arranged on the backing plate 4, wherein through holes of the guide hole 21 and the two sleeves 19 are positioned on the same horizontal straight line, and the iron strip unreeling mechanism 22, the iron strip driving mechanism 23 and the iron strip cutting mechanism 24 are sequentially arranged on the backing plate 4 from right to left and are all arranged below a beam of the portal frame 9.
The iron strip unreeling mechanism 22 comprises a rack 31 fixedly arranged on the backing plate 4, a reel 32 rotatably arranged in the rack 31, and an iron strip reel 33 arranged on the reel 32. The iron bar driving mechanism 23 comprises a first bracket 34 fixedly arranged on the base plate 4, a driving wheel 35 and a driven wheel 36 rotatably arranged in the first bracket 34, a gap is reserved between the driving wheel 35 and the driven wheel 36, the gap and the guide hole 21 are positioned on the same horizontal straight line, a servo motor 37 is fixedly arranged on the rear side wall of the first bracket 34, and an output shaft of the servo motor 37 is connected with the driving wheel 35. The iron bar cutting mechanism 24 comprises a second support 38 fixedly arranged on the backing plate 4, a cutter holder 39 fixedly arranged in the second support 38, and a cutting cylinder 40 fixedly arranged at the top of the second support 38, a piston rod of the cutting cylinder 40 penetrates through the top of the second support 38, a cutter 41 is fixedly arranged at the extending end, a groove 42 positioned under the cutter 41 is formed in the top surface of the cutter holder 39, and the groove 42 is matched with the cutter 41.
The bundling device further comprises a controller, the controller is electrically connected with the hydraulic motor 15, the driving motor 25, the servo motor 37, the cutting oil cylinder 40, the lifting oil cylinder 10 and the lower pressure oil cylinder 11 through signal wires, the controller can control the starting or closing of the hydraulic motor 15, the driving motor 25 and the servo motor 37, and meanwhile the extension or retraction of piston rods of the cutting oil cylinder 40, the lifting oil cylinder 10 and the lower pressure oil cylinder 11 can be controlled, so that the bundling device has the characteristic of high automation degree.
An automatic bundling method for hot-rolled seamless steel pipes comprises the following steps:
s1, installing a plurality of hot-rolled seamless steel pipes 2: the worker firstly places a horizontal row of hot-rolled seamless steel pipes 2 between the rollers 26 of each conveyor 5, and ensures that the first horizontal row of hot-rolled seamless steel pipes 2 is positioned between the two limiting cylinders 28 of each limiting assembly 6; then stacking a second hot rolled seamless steel tube 2 over the first transverse row of hot rolled seamless steel tubes 2 and ensuring that the second transverse row of hot rolled seamless steel tubes 2 is between the two spacing cylinders 28 of each spacing assembly 6; finally, stacking a third horizontal row of hot-rolled seamless steel pipes 2 on the second horizontal row of hot-rolled seamless steel pipes 2, so that the installation of a plurality of hot-rolled seamless steel pipes 2 is realized, and the installation is shown in figures 17-19;
s2, controlling the driving motors 25 of the conveyors 5 to start, enabling the driving motors 25 to drive the corresponding rollers 26 to rotate, enabling the rollers 26 to drive the hot-rolled seamless steel pipes 2 in each transverse row to synchronously move forwards, wherein the moving direction is shown by hollow arrows in FIG. 17, and after the front end parts of the hot-rolled seamless steel pipes 2 in each transverse row enter a feeding station of a feeding mechanism, controlling the driving motors 25 to be closed by a controller as shown in FIG. 20-FIG. 22;
s3, a worker pulls the head end part of the iron bar reel 33 on the iron bar unreeling mechanism 22 out of the guide hole 21, then the head end part of the iron bar reel 33 passes through a gap between the driving wheel 35 and the driven wheel 36, and finally the head end part of the iron bar reel 33 is pulled to the top surface of the cutter holder 39, as shown in fig. 23-24;
s4, bundling a first circle of iron strips 1 at the front end parts of the transverse rows of hot-rolled seamless steel pipes 2, wherein the specific operation steps are as follows:
s41, a servo motor 37 of the iron bar driving mechanism 23 is controlled to start, the servo motor 37 drives a driving wheel 35 to rotate clockwise, the iron bar reel 33 is gradually unreeled from a winding drum 32 of the iron bar unreeling mechanism 22 under the driving of the driving wheel 35, the head end part of the iron bar reel 33 moves from right to left, and the head end part of the iron bar reel 33 firstly passes through a through hole of a right sleeve 19 and then passes through a through hole of a left sleeve 19, as shown in FIG. 25; when the output shaft of the servo motor 37 rotates to a set time, the controller controls the servo motor 37 to be closed;
s42, a controller controls a piston rod of a cutting cylinder 40 of the iron bar cutting mechanism 24 to move downwards, the piston rod drives a cutter 41 to move downwards, and when the cutter 41 is matched with a groove 42 of a cutter holder 39, the cutter 41 cuts off the head end part of an iron bar reel 33, as shown in fig. 26-27, so that an iron bar 1 for bundling is obtained between two sleeves 19;
s43, controlling the piston rod of the cutting-off oil cylinder 40 to retract upwards, and driving the cutter 41 to move upwards by the piston rod;
s44, lifting two free ends of the iron bar 1: the piston rod of the lifting oil cylinder 10 is controlled to retract upwards, the piston rod drives the lifting plate 14 to move upwards, the lifting plate 14 drives the hydraulic motor 15 to move upwards, the hydraulic motor 15 drives the turntable 16 to move upwards, the turntable 16 drives the two connecting rods 17 to move upwards synchronously, the connecting rods 17 drive the sleeves 19 and the universal wheels 20 to move upwards synchronously, and the two sleeves 19 lift the two free ends of the iron bar 1 upwards, as shown in fig. 28; when the piston rod of the lift cylinder 10 is completely retracted, the two universal wheels 20 are respectively contacted with the bottom surfaces of the left and right end parts of the annular pressing plate 12;
s45, primarily winding iron bars 1 on the front end parts of the transverse rows of hot-rolled seamless steel pipes 2: controlling the piston rods of the two pressing cylinders 11 to extend downwards, driving the annular pressing plate 12 to move downwards, pressing the universal wheels 20 downwards by the annular pressing plate 12, enabling the connecting rods 17 to rotate outwards around the hinge bases 29 by the universal wheels 20, compressing the springs 18 inwards by the connecting rods 17, simultaneously driving the sleeves 19 to rotate inwards by the connecting rods 17, enabling the free ends of the iron bars 1 to be close to each other by the sleeves 19, enabling the iron bars 1 to shrink upwards, and enabling the iron bars 1 to be primarily wound on the front end parts of the transverse rows of hot-rolled seamless steel pipes 2 after the piston rods of the pressing cylinders 11 extend completely, as shown in fig. 29;
s46, twisting two free ends of the iron bar 1: the hydraulic motor 15 is controlled to start, the hydraulic motor 15 drives an output shaft thereof to rotate, the output shaft drives the turntable 16 to rotate, the rotating direction of the turntable 16 is shown by a solid arrow in fig. 29, the turntable 16 drives the two connecting rods 17 to synchronously rotate, the connecting rods 17 drive the universal wheels 20 and the sleeves 19 to synchronously rotate, the universal wheels 20 do circumferential rotation on the bottom surface of the annular pressing plate 12, and the sleeves 19 synchronously rotate the free ends of the iron bars 1, so that the two free ends of the iron bars 1 are gradually twisted, and the iron bars 1 further shrink in the twisting process; when the output shaft of the hydraulic motor 15 rotates to a set time, the controller controls the hydraulic motor 15 to be turned off, and at this time, the twisted part 3 is formed on the iron bar 1; then, the piston rods of the two pressing cylinders 11 are controlled to retract upwards, the piston rods drive the annular pressing plate 12 to move upwards, the annular pressing plate 12 is separated from the universal wheels 20, the connecting rod 17 rotates outwards under the restoring force of the springs 18, and after the connecting rod 17 is reset, the first circle of iron strips 1 are bound at the front end parts of the transverse rows of hot-rolled seamless steel pipes 2, as shown in figures 1, 2 and 30, can be finally realized;
as can be seen from step S4, the strapping device controls the piston rod of the lift cylinder 10 to retract upward, so that the two sleeves 19 lift the two free ends of the iron rod 1 upward; subsequently, the iron rods 1 are preliminarily wound on the front end parts of the hot-rolled seamless steel pipes 2 of the respective transverse rows by controlling the downward movement of the piston rods of the lower pressure cylinders 11; the hydraulic motor 15 is then controlled to be activated so that the two free ends of the iron rods 1 are gradually twisted to form the twisted portion 3, thereby finally bundling the first round of the iron rods 1 at the front end portion of each horizontal row of the hot-rolled seamless steel pipes 2.
Therefore, in the whole process of binding the iron bars 1, the iron bars 1 do not need to be wound outside the stacked hot-rolled seamless steel pipes 2 firstly, and then two free ends of the iron bars 1 need to be stranded manually by pliers, so that the binding device automatically binds the iron bars 1 on the hot-rolled seamless steel pipes 2, the working intensity of workers is relieved, and the binding efficiency of the hot-rolled seamless steel pipes is greatly improved.
S5, controlling the driving motors 25 of the conveyors 5 to start, driving the corresponding rollers 26 to rotate by the driving motors 25, driving the hot-rolled seamless steel pipes 2 in each horizontal row to synchronously move forwards by the rollers 26, and controlling the driving motors 25 to close after the second binding position of the hot-rolled seamless steel pipes 2 enters a feeding station of a feeding mechanism; then repeating the operation of the step S4, namely binding a second circle of iron strips 1 at a second binding position of the hot-rolled seamless steel tube 2;
s6, repeating the operation of the step S5 for a plurality of times, so as to bind a plurality of circles of iron strips 1 along the length direction of the hot-rolled seamless steel tube 2, and finally binding a plurality of hot-rolled seamless steel tubes 2 into a whole, as shown in FIG. 3;
and S7, controlling the driving motor 25 to start continuously, and at the moment, all the hot-rolled seamless steel pipes 2 which are bundled together fall onto a roller way of the roller way conveyor 8, and hoisting the hot-rolled seamless steel pipes which are bundled together onto a transport vehicle by a worker through a hoisting machine, and conveying the transport vehicle into a customer hand.
According to the steps S5-S6, the follow-up binding operation of the hot-rolled seamless steel pipes 2 can be performed by sequentially entering the follow-up binding positions of the hot-rolled seamless steel pipes 2 into the feeding stations of the feeding mechanism as long as the driving motors 25 of the conveyors 5 are controlled to start, so that the continuous binding of the hot-rolled seamless steel pipes 2 with a plurality of circles of iron strips 1 is realized, and compared with the manual binding of the hot-rolled seamless steel pipes 2 with circles, the binding device greatly shortens the binding time of the hot-rolled seamless steel pipes 2 and further greatly improves the binding efficiency of the hot-rolled seamless steel pipes.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides an automatic binding apparatus of hot rolling seamless steel pipe, it includes from the back to set gradually a plurality of conveyer (5) that are used for carrying hot rolling seamless steel pipe (2) on backing plate (4), all is provided with between every adjacent two conveyer (5) and is used for preventing spacing subassembly (6) that hot rolling seamless steel pipe (2) scatter, its characterized in that:
the front side of the conveyor (5) positioned at the forefront end is also provided with a twisting mechanism (7) used for twisting two free ends of the iron bar (1), a feeding mechanism used for feeding the iron bar (1) is arranged below the twisting mechanism (7), and the front side of the twisting mechanism (7) is provided with a roller conveyor (8) arranged on the backing plate (4);
the stranding mechanism (7) comprises a portal frame (9) fixedly arranged on the base plate (4), a lifting oil cylinder (10) and a lower oil cylinder (11) which are fixedly arranged on the top surface of a beam of the portal frame (9), a piston rod of the lower oil cylinder (11) penetrates through the beam, an annular pressing plate (12) is fixedly arranged on an extending end, the piston rod of the lifting oil cylinder (10) sequentially penetrates through the beam and a central hole (13) of the annular pressing plate (12), a lifting plate (14) is fixedly arranged on the extending end, a hydraulic motor (15) is fixedly arranged on the top surface of the lifting plate (14), an output shaft of the hydraulic motor (15) downwards penetrates through the lifting plate (14), a turntable (16) is fixedly arranged on the extending end, connecting rods (17) are hinged to the left end and the right end of the turntable (16), springs (18) are fixedly arranged between the inner side walls of the connecting rods (17) and the turntable (16), sleeves (19) are fixedly arranged on the bottom surface of the connecting rods (17), and universal wheels (20) are arranged on the top surface of the connecting rods (17);
the feeding mechanism comprises a guide hole (21) formed in a right upright post of the portal frame (9), an iron strip unreeling mechanism (22), an iron strip driving mechanism (23) and an iron strip cutting mechanism (24) which are arranged on the base plate (4), wherein the guide hole (21) and through holes of the two sleeves (19) are positioned on the same horizontal straight line, and the iron strip unreeling mechanism (22), the iron strip driving mechanism (23) and the iron strip cutting mechanism (24) are sequentially arranged on the base plate (4) from right to left and are all arranged below a cross beam of the portal frame (9);
the conveyor (5) comprises a driving motor (25) and two mounting frames, wherein the driving motor (25) and the two mounting frames are fixedly arranged on the base plate (4), a roller (26) is rotatably arranged between the two mounting frames, and an output shaft of the driving motor (25) is connected with one end of the roller (26);
the limiting assembly (6) comprises a base (27) fixedly arranged on the base plate (4) and guard plates respectively fixedly arranged on the left side and the right side of the base (27), and a limiting cylinder (28) which is obliquely arranged is rotatably arranged on the guard plates;
the left end and the right end of the top surface of the turntable (16) are fixedly provided with hinge seats (29), and the two connecting rods (17) are hinged on the hinge seats (29) through a distribution shaft (30);
the iron strip unreeling mechanism (22) comprises a rack (31) fixedly arranged on the backing plate (4), a winding drum (32) rotatably arranged in the rack (31), and an iron strip reel (33) is arranged on the winding drum (32);
the iron bar driving mechanism (23) comprises a first bracket (34) fixedly arranged on the base plate (4), a driving wheel (35) and a driven wheel (36) rotatably arranged in the first bracket (34), a gap is reserved between the driving wheel (35) and the driven wheel (36), the gap and the guide hole (21) are positioned on the same horizontal straight line, a servo motor (37) is fixedly arranged on the rear side wall of the first bracket (34), and an output shaft of the servo motor (37) is connected with the driving wheel (35);
the iron bar cutting mechanism (24) comprises a second bracket (38) fixedly arranged on the base plate (4), a cutter holder (39) fixedly arranged in the second bracket (38), and a cutting oil cylinder (40) fixedly arranged at the top of the second bracket (38)), wherein a piston rod of the cutting oil cylinder (40) penetrates through the top of the second bracket (38), a cutter (41) is fixedly arranged at the extending end, a groove (42) positioned right below the cutter (41) is formed in the top surface of the cutter holder (39), and the groove (42) is matched with the cutter (41);
the bundling device also comprises a controller, wherein the controller is electrically connected with the hydraulic motor (15), the driving motor (25), the servo motor (37), the cutting oil cylinder (40), the lifting oil cylinder (10) and the lower pressure oil cylinder (11) through signal wires;
the method for automatically bundling the seamless steel pipes by the bundling device comprises the following steps:
s1, installing a plurality of hot-rolled seamless steel pipes (2): a worker firstly places a horizontal row of hot-rolled seamless steel pipes (2) between the rollers (26) of each conveyor (5), and ensures that the first horizontal row of hot-rolled seamless steel pipes (2) are positioned between two limiting cylinders (28) of each limiting assembly (6); then stacking a second hot rolled seamless steel tube (2) above the first transverse row of hot rolled seamless steel tubes (2) and ensuring that the second transverse row of hot rolled seamless steel tubes (2) are between two limiting cylinders (28) of each limiting assembly (6); finally, stacking a third horizontal row of hot-rolled seamless steel pipes (2) on the second horizontal row of hot-rolled seamless steel pipes (2), thereby realizing the installation of a plurality of hot-rolled seamless steel pipes (2);
s2, controlling a driving motor (25) of each conveyor (5) to start, driving the corresponding roller (26) to rotate by the driving motor (25), driving each transverse row of hot-rolled seamless steel pipes (2) to synchronously move forwards by the roller (26), and controlling the driving motor (25) to be closed by the controller after the front end part of each transverse row of hot-rolled seamless steel pipes (2) enters a feeding station of a feeding mechanism;
s3, a worker pulls the head end part of the iron bar reel (33) on the iron bar unreeling mechanism (22) out of the guide hole (21), then the head end part of the iron bar reel (33) passes through a gap between the driving wheel (35) and the driven wheel (36), and finally the head end part of the iron bar reel (33) is pulled to the top surface of the cutter holder (39);
s4, bundling a first circle of iron strips (1) at the front end parts of the transverse rows of hot-rolled seamless steel pipes (2), wherein the specific operation steps are as follows:
s41, controlling a servo motor (37) of the iron bar driving mechanism (23) to start, enabling the servo motor (37) to drive a driving wheel (35) to rotate clockwise, gradually unreeling an iron bar reel (33) from a winding drum (32) of the iron bar unreeling mechanism (22) under the driving of the driving wheel (35), enabling the head end part of the iron bar reel (33) to move from right to left, enabling the head end part of the iron bar reel (33) to pass through a through hole of a right sleeve (19) and then pass through a through hole of a left sleeve (19), and controlling the servo motor (37) to be closed by a controller after an output shaft of the servo motor (37) rotates to a set time;
s42, a controller controls a piston rod of a cutting cylinder (40) of the iron bar cutting mechanism (24) to move downwards, the piston rod drives a cutter (41) to move downwards, and after the cutter (41) is matched with a groove (42) of a cutter holder (39), the cutter (41) cuts off the head end part of an iron bar reel (33), so that an iron bar (1) for bundling is obtained between two sleeves (19);
s43, controlling a piston rod of the cutting-off oil cylinder (40) to retract upwards, and driving the cutter (41) to move upwards by the piston rod;
s44, lifting two free ends of the iron bar (1): the method comprises the steps that a piston rod of a lifting oil cylinder (10) is controlled to retract upwards, the piston rod drives a lifting plate (14) to move upwards, the lifting plate (14) drives a hydraulic motor (15) to move upwards, the hydraulic motor (15) drives a rotary table (16) to move upwards, the rotary table (16) drives two connecting rods (17) to move upwards synchronously, the connecting rods (17) drive sleeves (19) and universal wheels (20) to move upwards synchronously, and the two free ends of an iron bar (1) are lifted upwards by the two sleeves (19); when the piston rod of the lifting oil cylinder (10) is completely retracted, the two universal wheels (20) are respectively contacted with the bottom surfaces of the left end part and the right end part of the annular pressing plate (12);
s45, primarily winding iron bars (1) on the front end parts of the transverse rows of hot-rolled seamless steel pipes (2): controlling piston rods of the two downward-pressing cylinders (11) to extend downwards, driving the annular pressing plate (12) to move downwards, pressing the universal wheels (20) downwards by the annular pressing plate (12), enabling the connecting rods (17) to rotate outwards around the hinge bases (29) by the universal wheels (20), compressing the springs (18) inwards by the connecting rods (17), driving the sleeves (19) to rotate inwards by the connecting rods (17), enabling free ends of the iron bars (1) to be close to each other by the sleeves (19), enabling the iron bars (1) to shrink upwards, and enabling the iron bars (1) to be primarily wound on front end portions of the transverse rows of hot-rolled seamless steel pipes (2) after the piston rods of the downward-pressing cylinders (11) extend completely;
s46, twisting two free ends of the iron bar (1): the hydraulic motor (15) is controlled to start, the hydraulic motor (15) drives an output shaft thereof to rotate, the output shaft drives a rotary table (16) to rotate, the rotary table (16) drives two connecting rods (17) to synchronously rotate, the connecting rods (17) drive universal wheels (20) and sleeves (19) to synchronously rotate, the universal wheels (20) do circumferential rotation on the bottom surface of the annular pressing plate (12), and meanwhile, the sleeves (19) synchronously rotate the free ends of the iron bars (1) so that the two free ends of the iron bars (1) are gradually twisted, and the iron bars (1) further shrink in the twisting process; when the output shaft of the hydraulic motor (15) rotates to a set time, the controller controls the hydraulic motor (15) to be closed, and at the moment, a twisting part (3) is formed on the iron bar (1); then, the piston rods of the two pressing cylinders (11) are controlled to retract upwards, the piston rods drive the annular pressing plate (12) to move upwards, the annular pressing plate (12) is separated from the universal wheel (20), the connecting rod (17) rotates outwards under the restoring force of the spring (18), and after the connecting rod (17) is reset, the first ring of iron strips (1) can be finally bound at the front end parts of the transverse rows of hot-rolled seamless steel pipes (2);
s5, controlling a driving motor (25) of each conveyor (5) to start, driving the corresponding roller (26) to rotate by the driving motor (25), driving each transverse row of hot-rolled seamless steel pipes (2) to synchronously move forwards by the roller (26), and controlling the driving motor (25) to be closed after a second binding position of the hot-rolled seamless steel pipes (2) enters a feeding station of a feeding mechanism; then repeating the operation of the step S4, namely binding a second circle of iron strips (1) at a second binding position of the hot-rolled seamless steel tube (2);
s6, repeating the operation of the step S5 for a plurality of times, and binding a plurality of circles of iron strips (1) along the length direction of the hot-rolled seamless steel tube (2), so that a plurality of hot-rolled seamless steel tubes (2) are bound into a whole;
s7, controlling the driving motor (25) to start continuously, at the moment, all the hot-rolled seamless steel pipes (2) which are bundled into a whole fall onto a roller way of the roller way conveyor (8), and hoisting the hot-rolled seamless steel pipes which are bundled into a whole onto a transport vehicle by a hoisting machine by workers, and conveying the transport vehicle into a client.
2. An automated hot rolled seamless steel tube bundling apparatus according to claim 1, wherein: two lifting cylinders (10) are fixedly arranged on the top surface of a cross beam of the portal frame (9), the acting ends of piston rods of the two lifting cylinders (10) are fixedly arranged on a lifting plate (14), two pressing cylinders (11) are fixedly arranged on the top surface of the cross beam of the portal frame (9), and the acting ends of piston rods of the two pressing cylinders (11) are respectively welded at the left end and the right end of an annular pressing plate (12).
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| CN202311476274.3A CN117208295B (en) | 2023-11-08 | 2023-11-08 | Automatic bundling device and method for hot-rolled seamless steel pipes |
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| CN202311476274.3A CN117208295B (en) | 2023-11-08 | 2023-11-08 | Automatic bundling device and method for hot-rolled seamless steel pipes |
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