CN114749580B - Full-automatic steel bar bending production line and process - Google Patents

Full-automatic steel bar bending production line and process Download PDF

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Publication number
CN114749580B
CN114749580B CN202210549283.XA CN202210549283A CN114749580B CN 114749580 B CN114749580 B CN 114749580B CN 202210549283 A CN202210549283 A CN 202210549283A CN 114749580 B CN114749580 B CN 114749580B
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China
Prior art keywords
bending
bending machine
steel bar
steel bars
machine
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CN202210549283.XA
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CN114749580A (en
Inventor
曹勇
郑刚
胡林
周正述
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Chengdu Gute Machienry Works Co ltd
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Chengdu Gute Machienry Works Co ltd
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Priority to CN202210549283.XA priority Critical patent/CN114749580B/en
Publication of CN114749580A publication Critical patent/CN114749580A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21FWORKING OR PROCESSING OF METAL WIRE
    • B21F1/00Bending wire other than coiling; Straightening wire
    • B21F1/006Bending wire other than coiling; Straightening wire in 3D with means to rotate the tools about the wire axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21FWORKING OR PROCESSING OF METAL WIRE
    • B21F23/00Feeding wire in wire-working machines or apparatus

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Wire Processing (AREA)

Abstract

The invention provides a full-automatic steel bar bending production line and process, and belongs to the technical field of steel bar processing equipment. Comprises a reinforcing steel bar scattering machine, a reinforcing steel bar feeding machine, a conveying device, a bending device and a placing table. Wherein, bending device includes two at least bending machines, is provided with bending component, clamping component and transfer the subassembly on the roof of bending machines, is equipped with the subassembly of unloading on placing the bench. The steel bars are scattered through the steel bar scattering machine, the steel bar feeding machine enables the steel bars to be fed into the conveying device one by one, the conveying device conveys the steel bars to the position, close to the bending device, on the conveying device, the steel bars are conveyed into the bending device through the mechanical claws, after the bending device bends the steel bars, the conveying assembly moves the steel bars to the placing table, and finally, the steel bar stacking on the placing table is collected through the discharging assembly. The process adopts automatic equipment to produce, and degree of automation is high, and the bending accuracy of reinforcing steel bar is good, saves a large amount of manpower, has greatly improved the bending efficiency of reinforcing steel bar.

Description

Full-automatic steel bar bending production line and process
Technical Field
The invention relates to the technical field of steel bar processing equipment, and discloses a full-automatic steel bar bending production line and process.
Background
Along with the investment of the country in the urban road construction direction, the domestic road and bridge construction technology is continuously improved. The box girder is used as an indispensable structural member in road and bridge construction, and the manufacturing technology is continuously mature.
In the casting molding process of the box girder prefabricated component, a plurality of steel bars are needed to keep various performances of the box girder structure, the steel bars are various in types, and the steel bars can be bent into different shapes according to the shape requirement of the box girder by the casting process. In the prior art, workers typically lift the bar onto a bar bender and bend the bar by the bar bender.
However, because the whole process of manually supporting the steel bar by workers is required in the process of bending the steel bar, the bending parts on the steel bar are bent one by the steel bar bending machine, the operation is laborious and the processing efficiency is low.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a full-automatic steel bar bending production line and a full-automatic steel bar bending process.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The first aspect of the embodiment of the application provides a full-automatic steel bar bending production line, which comprises a steel bar scattering machine, a steel bar feeding machine, a conveying device, a bending device and a placing table, wherein the discharging end of the steel bar scattering machine is connected with the feeding end of the steel bar feeding machine;
wherein, the bending device includes setting up on subaerial track, at least two bending machines that set up in horizontal straight line direction symmetry, and the bending machines slides and sets up on the track, is provided with the bending component that is used for crooked reinforcing bar on the roof of bending machines, still is provided with the clamping component that is used for centre gripping reinforcing bar on the roof of bending machines, still is provided with on the bending machines and is used for transferring the reinforcing bar to the transfer component of placing the platform, is equipped with the unloading subassembly that is used for piling up the reinforcing bar on placing the platform
Further, the bending assembly comprises a fixed die and a movable die, the fixed die is arranged at the top of the bending machine table, the driven gear ring is rotationally arranged in the bending machine table, the fixed die is located in the middle of the driven gear ring, the movable die is arranged at the top of the driven gear ring and extends out of the bending machine table upwards, and a first driving source for driving the driven gear ring to rotate is arranged in the bending machine table.
Further, the vertical lift of cover half sets up on the bending machine platform, and bending machine platform internal fixation is provided with the first cylinder that is used for driving the cover half to go up and down, and the vertical lift setting of movable mould is on driven ring gear, and the fixed second cylinder that is used for driving the movable mould to go up and down that is provided with in bottom of driven ring gear.
Further, the clamping assembly comprises a lifting table, a fixed plate and a movable plate, wherein the lifting table is vertically and slidably arranged in the bending machine table, the fixed plate is vertically and fixedly arranged on the lifting table, the movable plate is horizontally and slidably arranged on the lifting table, a third cylinder for driving the movable plate to vertically lift is arranged in the bending machine table, and a fourth cylinder for driving the movable plate to move in the sliding direction perpendicular to the bending machine table is arranged on the lifting table.
Further, transfer the subassembly and include first installation piece and second installation piece, first installation piece slides and sets up in the bending machine platform, is provided with the second actuating source that is used for driving first installation piece vertical slip in the bending machine platform, and second installation piece horizontal slip sets up on first installation piece, is provided with on the first installation piece and is used for driving second installation piece perpendicular to bending machine platform slip direction horizontal slip's third actuating source on first installation piece, and the one end that the second installation piece top was close to the placing table is provided with the bearing platform that is used for the bearing reinforcing bar.
Further, place one side that bending device was kept away from to the platform and be equipped with the district of unloading, place the bench and run through downwards and have seted up the bar hole, place bench parallel interval and be equipped with two piece at least bar holes, the bar hole extends along the direction of keeping away from bending device, all be provided with the subassembly of unloading between the below in every bar hole, the subassembly of unloading includes the chain, fourth actuating source and two sprockets, two sprockets all rotate the setting and place the bench below and be located the both ends in bar hole, the chain winds to establish on two sprockets, the fixed setting of fourth actuating source is placed the bench, the fourth actuating source is used for driving a sprocket rotation, the outside interval of chain is provided with many push rods, the push rod upwards stretches out the bar hole.
Further, the push rod comprises a connecting part and a hinge part, wherein the connecting part is fixedly connected to the chain, the hinge part is hinged to one end, far away from the chain, of the connecting part, and the hinge axis of the hinge part is parallel to the table top of the placing table and perpendicular to the axis of the chain wheel.
Further, a rack is arranged on the track along the length direction of the track, a fifth driving source is fixedly arranged on the bending machine, an output shaft of the fifth driving source is connected with a driving gear, the driving gear is meshed with the rack, a fifth cylinder is further vertically and fixedly arranged on the bending machine, and a supporting head is fixedly arranged on a piston rod of the fifth cylinder and is used for being abutted to the top wall of the track.
Further, mounting holes are formed in the positions, close to the outer edges, of the table top of the bending machine table at the edges of the two sides of the rail, a baffle plate is arranged in the mounting holes in a lifting mode along the vertical direction, and a sixth air cylinder for driving the baffle plate to vertically lift is arranged in the bending machine table.
The second aspect of the embodiment of the application provides a full-automatic steel bar bending process, which adopts the full-automatic steel bar bending production line provided by the first aspect of the embodiment of the application, and comprises the following steps:
S1, feeding: stacking the steel bars in a steel bar scattering machine, starting the steel bar scattering machine, scattering the steel bars into a steel bar feeding machine, and feeding the steel bars into a conveying device one by the steel bar feeding machine;
S2, transferring: the conveying device transfers the steel bars to the discharging end, then the mechanical claws clamp the steel bars from the discharging end of the conveying device and transfer the steel bars to the upper part of the bending machine table to put down the steel bars;
S3, neatly: the baffles on the bending machine tables at the two side edges of the rail are lifted, and the two bending machine tables move close to each other until the baffles on the two bending machine tables respectively abut against the two ends of the steel bars, and the baffles are lowered below the table top of the bending machine tables;
s4, bending: at least one bending machine is used for clamping the steel bars, then a movable die on the bending machine is used for rotating around a fixed die, bending the steel bars on the bending machine, and the two bending machines alternately clamp the steel bars and do approaching movement to gradually bend the steel bars into a specified shape;
S5, unloading: each bending machine platform loosens the reinforcing steel bars, the second mounting piece on the bending machine platform moves, the reinforcing steel bars are lifted and sent to the placing platform, the push rod on the placing platform moves, and the reinforcing steel bars on the placing platform are pushed to be piled up in the unloading area.
The embodiment of the application provides a full-automatic steel bar bending production line which comprises a steel bar scattering machine, a steel bar feeding machine, a conveying device, a bending device and a placing table, wherein the discharging end of the steel bar scattering machine is connected with the feeding end of the steel bar feeding machine, the discharging end of the steel bar feeding machine is connected with the feeding end of the conveying device, a mechanical claw for clamping steel bars is arranged between the discharging end of the conveying device and the bending device in a sliding mode, and the placing table is arranged on one side of the bending device. Wherein, bending device is including setting up at subaerial track, two at least bending machines that set up in horizontal straight line direction symmetry, and bending machine slides and sets up on the track, is provided with the bending assembly that is used for crooked reinforcing bar on the roof of bending machine, is used for the clamping assembly of centre gripping reinforcing bar and is used for transferring the reinforcing bar to the subassembly of transferring of placing the platform, is equipped with the subassembly of unloading that is used for piling up the reinforcing bar on placing the platform.
The beneficial effects of the invention are as follows: the workman is piled up the reinforcing bar on the reinforcing bar and is broken up the machine, break up the reinforcing bar into the reinforcing bar feeder through the reinforcing bar and send into the reinforcing bar feeder, the reinforcing bar feeder makes the reinforcing bar send into conveyor one by one in succession, conveyor is sent to the position that is close to bending device on the conveyor, rethread gripper is with the reinforcing bar follow conveyor transfer to bending device in the bending assembly of bending machine platform, after bending device is crooked the reinforcing bar, remove the reinforcing bar by transfer assembly and place the platform, finally, will place the reinforcing bar windrow collection on the platform through unloading subassembly. The process adopts automatic equipment to produce, and degree of automation is high, and the bending accuracy of reinforcing steel bar is good, saves a large amount of manpower, has greatly improved the bending efficiency of reinforcing steel bar.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a fully automatic steel bar bending production line according to an embodiment of the application.
Fig. 2 is a schematic cross-sectional view of the inside of a bending machine according to an embodiment of the present application.
Fig. 3 is a schematic structural view of a transfer assembly according to an embodiment of the application.
FIG. 4 is a schematic cross-sectional view of the bottom of a bending machine according to an embodiment of the present application
Fig. 5 is a schematic view of a part of a structure of a placement table according to an embodiment of the present application.
Fig. 6 is an enlarged partial schematic view of the portion a in fig. 5.
Fig. 7 is a schematic structural diagram of a push rod according to an embodiment of the present application.
1, A reinforcing steel bar scattering machine; 2. a reinforcing steel bar feeding machine; 3. a conveying device; 31. a mechanical claw; 4. a bending device; 41. a track; 411. a rack; 42. a bending machine; 421. a fifth driving source; 422. a drive gear; 423. a fifth cylinder; 424. a support head; 43. a bending assembly; 431. a fixed mold; 432. a movable mold; 433. a driven gear ring; 434. a first driving source; 435. a first cylinder; 436. a second cylinder; 44. a clamping assembly; 441. a lifting table; 442. a fixing plate; 443. a movable plate; 444. a third cylinder; 445. a fourth cylinder; 45. a transfer assembly; 451. a first mounting tab; 452. a second mounting plate; 453. a second driving source; 454. a third driving source; 455. a support table; 46. a baffle; 461. a mounting hole; 462. a sixth cylinder; 5. a placement table; 51. a discharge zone; 52. a bar-shaped hole; 53. a discharge assembly; 531. a chain; 532. a fourth driving source; 533. a sprocket; 534. a push rod; 5341. a connection part; 5342. a hinge.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
According to the embodiment of the invention, by providing a full-automatic steel bar bending production line, referring to fig. 1, the production line comprises a steel bar scattering machine 1, a steel bar feeding machine 2, a conveying device 3, a bending device 4 and a placing table 5, wherein the discharging end of the steel bar scattering machine 1 is connected with the feeding end of the steel bar feeding machine 2, the discharging end of the steel bar feeding machine 2 is connected with the feeding end of the conveying device 3, a mechanical claw 31 for clamping steel bars is slidably arranged between the discharging end of the conveying device 3 and the bending device 4, and the placing table 5 is arranged on one side of the bending device 4.
The steel bar breaker 1 and the steel bar feeder 2 can refer to patent publication number CN112660711a, the steel bar breaker 1 is used for workers to stack steel bars, after the steel bars are sorted and broken, the steel bars are sequentially fed into the steel bar feeder 2 in a single steel bar form, the steel bar feeder 2 is a steel bar rubbing machine, and the steel bars in the single form fed by the steel bar breaker 1 are fed into the conveying device 3 one by one at accurate interval time. The conveying device 3 can be composed of a frame extending from the discharge end of the steel bar feeding machine 2 to the feeding end of the bending device 4 and a plurality of conveying rollers arranged on the frame in a rolling manner, and the conveying rollers on the frame are driven to rotate by a motor. The gripper 31 is driven by a cylinder to perform gripping action, a mounting frame is welded on one side of the output device frame, which is close to the bending device 4, the gripper 31 is slidably mounted on the mounting frame along the shortest linear direction between the conveying device 3 and the bending device 4, and the gripper 31 is pushed to move by the cylinder mounted on the mounting frame, so that the gripping part of the gripper 31 can vertically stretch and retract to grip the reinforcing steel bars positioned on the output device and to lower the reinforcing steel bars above the bending device 4.
Referring to fig. 2, the bending apparatus 4 includes a rail 41 and at least two bending machines 42, the rail 41 is fixedly installed on the ground through anchor bolts, the rail 41 is parallel to the reinforcing bars on the conveyor 3, a plurality of guide wheels are installed under the bending machines 42, and the bending machines 42 are slidably installed on the rail 41 through the guide wheels. The top wall of the bending machine table 42 is provided with a bending assembly 43, a clamping assembly 44 and a transferring assembly 45, wherein the bending assembly 43 is used for bending the reinforcing steel bars, the clamping assembly 44 is used for clamping the reinforcing steel bars, and the transferring assembly 45 is used for transferring the reinforcing steel bars to the placing table 5. The clamping assembly 44 and the transferring assembly 45 are located on one side of the bending assembly 43 on the bending machine table 42 near the center of the bending machine tables 42 on the track 41, and when the number of the bending machine tables 42 is singular, the clamping assembly 44 and the transferring assembly 45 on the bending machine table 42 located in the middle of the bending machine tables 42 are located on the same side of the bending assembly 43.
The piled reinforcing steel bars are scattered and fed into the reinforcing steel bar feeding machine 2 through the reinforcing steel bar scattering machine 1, the reinforcing steel bar feeding machine 2 feeds the reinforcing steel bars into the output device one by one at regular time, the output device feeds the reinforcing steel bars from one side of the output end of the reinforcing steel bar feeding machine 2 to one side of the bending device 4, and the reinforcing steel bars are gripped from the conveying device 3 by the mechanical claws 31 and placed on the bending device 4. After bending the reinforcing steel bar by the combined operation of the clamping assembly 44 and the bending assembly 43 on each bending machine table 42 in the bending device 4, the reinforcing steel bar is transferred to the placing table 5 by the transferring assembly 45, and is piled up by the unloading assembly 53 on the placing table 5. The whole process of the bending of the steel bar is operated by automatic machinery, so that a large amount of manpower is saved, and the bending production efficiency of the steel bar is greatly improved.
Specifically, the bending assembly 43 includes a fixed mold 431 and a movable mold 432. The fixed die 431 is arranged at the top of the bending machine table 42, the driven gear ring 433 is rotationally arranged in the bending machine table 42, the driven gear ring 433 is arranged around the fixed die 431, the movable die 432 is arranged at the top of the driven gear ring 433, a mounting opening for the movable die 432 on the driven gear ring 433 to extend upwards is formed in the top of the bending machine table 42, and the mounting opening is an arc-shaped waist-shaped hole around the fixed die 431. The fixed mold 431 is located at the middle part of the driven gear ring 433, and a first driving source 434 for driving the driven gear ring 433 to rotate is provided in the bending machine table 42. In the embodiment of the present application, the first driving source 434 may be a first motor, which is fixed on the bending machine 42 by means of bolting, riveting, etc., and the output shaft of the first motor is coaxially fixed with a gear, and the gear on the output shaft of the first motor is meshed with the gear on the driven gear ring 433, and the movable die 432 can be driven to reciprocate on the bending machine 42 by forward and reverse rotation of the output shaft of the first motor. When the mechanical claw 31 places the steel bar on the bending machine table 42, the steel bar is placed between the movable die 432 and the fixed die 431 on the bending machine table 42, and then the movable die 432 is driven to rotate around the fixed die 431 by the driving piece, so that the steel bar is attached to the fixed die 431 and is bent to a certain size.
When there are a plurality of bending machine tables 42, in order to prevent interference and obstruction between the movable mold 432 or the fixed mold 431 on some bending machine tables 42 and the steel bars in the bending process, in the embodiment of the present application, the fixed mold 431 is vertically lifted and arranged on the bending machine tables 42, and the movable mold 432 is vertically lifted and arranged on the driven gear ring 433. Specifically, a working cylinder is vertically and fixedly installed in the bending machine table 42, a lifting seat is coaxially and vertically installed in the working cylinder in a sliding manner, a fixed die 431 is installed on the top wall of the lifting seat, a first air cylinder 435 is fixedly arranged in the bending machine table 42 in a mode of not being limited by a bolt connection, the first air cylinder 435 is located below the working cylinder, and a piston rod of the first air cylinder 435 is connected to the bottom of the lifting seat. The bottom of the driven gear ring 433 is fixedly provided with a second cylinder 436 by a manner not limited to bolting, and a piston rod of the second cylinder 436 is connected to the bottom of the movable die 432.
The movable die 432 and the fixed die 431 can be driven to sink into the bending machine table 42 or extend out of the bending machine table 42 rapidly through the extension and retraction of the piston rods of the first air cylinder 435 and the second air cylinder 436, the movable die 432 can be conveniently reset, the movable die 432 and the fixed die 431 can be sink into the bending machine table 42 timely according to the requirement of bending steel bars, and interference and obstruction to the bending of the steel bars are effectively prevented.
In the embodiment of the present application, the clamping assembly 44 includes a lifting platform 441, a fixed plate 442 and a movable plate 443, a sliding rail is vertically installed in the bending machine 42, the lifting platform 441 is vertically slidably installed on the sliding rail, the fixed plate 442 is vertically and fixedly installed on the lifting platform 441 through bolts, the lifting platform 441 is provided with a waist-shaped hole, and the movable plate 443 is connected with the lifting platform 441 through the bolts passing through the movable plate 443 and the waist-shaped hole at the same time. The bolts on the movable plate 443 slide horizontally in the waist-shaped holes perpendicular to the length direction of the rails 41, and the working surfaces of the movable plate 443 and the fixed plate 442 for clamping the reinforcing steel bars are parallel to the length direction of the rails 41. A third air cylinder 444 is vertically fixed in the bending machine table 42 in a bolt fixing mode, and a piston rod of the third air cylinder 444 is fixedly connected with the bottom of the lifting table 441 and used for driving the movable plate 443 to vertically lift. The lifting platform 441 is horizontally fixed with a fourth air cylinder 445 by means of bolt fixing and the like, and a piston rod of the fourth air cylinder 445 is fixedly connected with the movable plate 443 for driving the movable plate 443 to slide on the lifting platform 441.
In the embodiment of the application, the clamping assembly 44 is positioned on one side of the bending assembly 43 on the bending machine table 42, which is close to the middle of all the bending machine tables 42 on the track 41, when bending the reinforcing steel bars, the clamping assembly 44 clamps the reinforcing steel bars, and then the bending assembly 43 bends the end parts of the reinforcing steel bars outside the bending mechanism. When the steel bar is bent by only two bending machines 42, each bending machine clamps the steel bar by the clamping assembly 44 on one bending machine 42, and then bends the steel bar by the bending assembly 43 on the other bending machine 42. The steel bar is bent under the clamping and fixing state of the steel bar, so that the steel bar can be effectively prevented from being ejected, and the safety in the process of bending the steel bar is improved.
Referring to fig. 3, the transfer assembly 45 includes a first mounting plate 451 and a second mounting plate 452, specifically, a first sliding rail is vertically mounted on a side of the bending machine 42, which is located on a side of the bending assembly 43 near another bending machine 42, the first mounting plate 451 is slidably mounted on the first sliding rail, the second mounting plate 452 is horizontally mounted on the second sliding rail, the second mounting plate 452 is slidably mounted on the second sliding rail, a second driving source 453 for driving the first mounting plate 451 to vertically slide is provided on the bending machine 42, and a third driving source 454 for driving the second mounting plate to horizontally slide relative to the first mounting plate 451 is provided on the second mounting plate 452. The top of the second mounting piece 452 is provided with a supporting table 455 for supporting the reinforcing bars near one end of the placing table 5, and when the second mounting piece 452 moves toward the placing table 5, the reinforcing bars on the placing table 5 can be lifted upward by the supporting table 455 and sent to the placing table 5.
In the embodiment of the present application, the second driving source 453 may be an air cylinder, the air cylinder body is fixedly installed on the bending machine table 42, the piston rod of the air cylinder is vertically connected to the first mounting plate 451, the third driving source 454 may be a driving motor, a rack is installed on a sliding rail on the first mounting plate 451 along the second mounting plate 452, and the driving motor is installed on the second mounting plate 452 to drive
In the process of transferring the reinforcing bars, the second driving source 453 is started first, the reinforcing bars located in the bending unit 43 are lifted up by the supporting table 455 on the second mounting plate 452, then the third driving source 454 is started, the reinforcing bars are pushed to the placing table 5, and finally the second driving source 453 and the third driving source 454 are reset to retract the first mounting plate 451 and the second mounting plate 452 to the original positions. In other embodiments, the second driving source 453 may be a driving motor, the third driving source 454 may be a cylinder, and the second driving source 453 and the third driving source 454 may use the same driving method at the same time.
Referring to fig. 4, in order to automatically move the bending machine 42 on the rail 41, a rack 411 is provided on the rail 41 along the longitudinal direction thereof, a fifth driving source 421 is fixedly provided on the bending machine 42, the fifth driving source 421 employs a servo motor, an output shaft of the fifth driving source 421 is coaxially connected with a driving gear 422, and the driving gear 422 is engaged with the rack 411 on the rail 41. When the fifth driving source 421 is started, the bending machine 42 is driven to move linearly on the rail 41 by the meshing transmission between the driving gear 422 and the rack 411 on the rail 41 and the guiding action of the guide rail on the bending machine 42.
In addition, in the embodiment of the present application, a fifth cylinder 423 is fixedly installed on the bending machine table 42, the fifth cylinder 423 is vertically disposed, a piston rod of the fifth cylinder 423 is vertically downward and is connected with a supporting head 424, the supporting head 424 may be made of metal, the supporting head 424 faces the rail 41, and when the piston rod of the fifth cylinder 423 extends, the supporting head 424 can abut against the top wall of the rail 41. The bending machine 42 can be effectively supported and fixed on the rail 41 by extending the piston rod of the fifth cylinder 423 to make the supporting head 424 abut against the rail 41. In order to make the bending machine 42 overall stable during supporting and fixing, in the embodiment of the present application, a plurality of fifth cylinders 423 are uniformly distributed on the bending machine 42 to uniformly and stably support the bending machine 42.
The fifth driving source 421 and the fifth cylinder 423 in the bending machine table 42 are controlled to be opened and closed by a PLC program, so that the bending machine table 42 automatically walks on the track 41 and is accurately positioned and fixed. Further, in order to improve the bending precision of the steel bars, mounting holes 461 are formed in the positions, close to the outer edges, of the table surfaces of the bending machine tables 42 at the two side edges of the rail 41, and baffles 46 are arranged in the mounting holes 461 in a lifting manner in the vertical direction. Wherein, the bending machine table 42 positioned at the outermost two sides of the rail 41 is vertically provided with a sixth air cylinder 462, and the piston rod of the sixth air cylinder 462 is fixedly connected with the bottom of the baffle 46.
After the mechanical gripper 31 places the steel bar on the bending machine 42, the piston rod of the sixth air cylinder 462 extends to lift the baffle 46 out of the bending machine 42 from the mounting hole 461, and then the two bending machines 42 located at the outermost edge on the rail 41 move relatively close to each other, for example, one bending machine 42 moves close to the other bending machine 42, or the two bending machines move synchronously close to each other. Until the baffles 46 on the two bending machine tables 42 are respectively abutted against the two end parts of the steel bars, zero setting before bending operation of the steel bars is completed at the moment, each steel bar can be ensured to be accurately bent into the same shape, and the bending precision of the steel bars is improved.
Referring to fig. 5 and 6, a discharging area 51 is disposed on a side of the placement table 5 away from the bending device 4, and in the embodiment of the present application, the discharging area 51 is a steel bar placement frame welded by steel bars, the placement frame is installed on the ground, and an upper opening of the placement frame faces a table surface edge of the placement table 5 away from the bending device 4. The strip-shaped holes 52 are formed in the placing table 5 in a penetrating mode, the length direction of the strip-shaped holes 52 is parallel to the linear direction between the bending device 4 and the discharging area 51, two strip-shaped holes 52 are formed in the placing table 5 at intervals in parallel, a group of discharging assemblies 53 are arranged below each strip-shaped hole 52, and reinforcing steel bars on the table surface of the placing table 5 can be pushed into the discharging area 51 in order through the discharging assemblies 53 in at least two strip-shaped holes 52.
In the embodiment of the present application, the discharging assembly 53 includes a chain 531, a fourth driving source 532 and two sprockets 533, where the two sprockets 533 are rotatably installed below the placement table 5, and the two sprockets 533 are respectively located at two ends of the strip-shaped hole 52, the chain 531 is wound around the two sprockets 533, the fourth driving source 532 may be a driving motor, and the driving motor is fixed on the placement table 5 by a bolt connection or the like, and an output shaft of the driving motor is cooperatively connected to any one of the sprockets 533 to drive the rotation of the sprocket 533. The outside of chain 531 is connected with push rod 534, upwards stretches out and places platform 5 mesa from bar hole 52, and in the rotation process of chain 531, push rod 534 can with place the reinforcing bar contact on the platform 5 to promote the reinforcing bar on the platform 5 to remove to the unloading district 51. In the embodiment of the present application, a plurality of push rods 534 on the chain 531 are arranged at intervals along the circumferential direction of the chain 531, and each push rod 534 is connected and welded with one of the chains 531.
Referring to fig. 7, the end of the bar is bent toward the placement table 5 during bending, and in order to prevent the push rod 534 protruding from the bar-shaped hole 52 from obstructing and interfering with the bending of the bar, the push rod 534 includes a connection portion 5341 and a hinge portion 5342 in the embodiment of the present application. Wherein, the connecting portion 5341 is fixedly connected to the chain 531, the hinge portion 5342 is hinged at one end of the connecting portion 5341 far away from the chain 531, and the hinge axis of the hinge portion 5342 is parallel to the table surface of the placement table 5 and perpendicular to the axis of the sprocket 533. Specifically, the connection portion 5341 is elastically hinged to the hinge portion 5342, a torsion spring is sleeved on a rotating shaft on the hinge portion 5342, one end of the torsion spring is fixedly connected with the connection portion 5341, the other end of the torsion spring is fixedly connected with the hinge portion 5342, and the spring is used for driving the hinge portion 5342 to rotate on the connection portion 5341 to be in the same linear state.
The working process of the invention is as follows: the workman stacks the reinforcing bar on reinforcing bar machine 1, start reinforcing bar machine 1 after, reinforcing bar machine 1 breaks up the reinforcing bar and sends into reinforcing bar material loading machine 2, reinforcing bar material loading machine 2 rubs the material to the reinforcing bar of entering, make the reinforcing bar send into conveyor 3 one by one, conveyor 3 is last to be rotated, the reinforcing bar is sent to the position that is close to bending device 4 on the conveyor 3, rethread gripper 31 snatchs the reinforcing bar from conveyor 3, and after sending to conveyor 3 top, drop the reinforcing bar, make the reinforcing bar be located the bending assembly 43 of two bending machines 42 on the bending device 4.
The lifting table 441 in the bending machine table 42 is lifted up, so that the fixed plate 442 and the movable plate 443 on the lifting table 441 are respectively positioned at two sides of the reinforcing steel bar, and the movable plate 443 approaches the fixed plate 442 to tighten the reinforcing steel bar. Then, the first driving source 434 in the bending machine 42 is started to rotate the driven gear ring 433 on the bending machine 42 to drive the movable mold 432 to rotate around the fixed mold 431, so that the movable mold 432 pushes the reinforcing steel bars to be attached to the fixed mold 431 to bend into a shape.
After the reinforcing steel bar is bent and formed, the second mounting piece 452 on the bending machine 42 is lifted, the reinforcing steel bar on the bending machine 42 is lifted up to a position between the driven die 432 and the fixed die 431 to be separated, and the reinforcing steel bar is transferred to the placing table 5 by the second mounting piece 452. The fourth driving source 532 below the placing table 5 is started to drive the chain 531 to rotate, and the push rod 534 extending out of the table top of the placing table 5 pushes the reinforcing steel bars to move towards the discharging area 51 until the reinforcing steel bars fall and are stacked in the discharging area 51. The steel bar is stacked from material taking, material loading and bending forming until material unloading, and the whole process is produced by adopting automatic equipment, so that the degree of automation is high, the accuracy of bending the steel bar is good, a large amount of manpower is saved, and the bending efficiency of the steel bar is greatly improved.
Example two
Based on the same inventive concept, another embodiment of the application provides a fully automatic steel bar bending process, which comprises the following steps:
S1, feeding: the reinforcing steel bars are stacked in the reinforcing steel bar scattering machine 1, the reinforcing steel bar scattering machine 1 is started, the reinforcing steel bars are scattered and fed into the reinforcing steel bar feeding machine 2, and the reinforcing steel bars are fed into the conveying device 3 by the reinforcing steel bar feeding machine 2 one by one.
S2, transferring: the conveying device 3 transfers the steel bars to the discharging end, then the mechanical claws 31 clamp the steel bars from the discharging end of the conveying device 3, and the steel bars are transferred to the upper part of the bending machine table 42 and put down.
S3, neatly: the baffles 46 on the bending machine tables 42 at the two side edges of the rail 41 are lifted, and the two bending machine tables 42 do approaching motion until the baffles 46 on the two bending machine tables 42 respectively abut against the two ends of the reinforcing steel bars, and the baffles 46 are lowered below the table top of the bending machine tables 42, so that the alignment and zero correction of the bending machine tables 42 before bending the reinforcing steel bars are completed.
S4, bending: when the bending machine tables 42 are only two, one bending machine table 42 clamps the steel bars, then the movable die 432 on the other bending machine table 42 rotates around the fixed die 431 to bend the steel bars on the bending machine table 42, and the two bending machine tables 42 alternately clamp the steel bars and do approaching motion to gradually bend the steel bars into a specified shape.
S41, bending: when the bending machine tables 42 are multiple, at least one bending machine table 42 clamps the steel bar, then the movable die 432 on the bending machine table 42 which is close to the end part of the steel bar and needs to bend the steel bar is rotated around the fixed die 431, the steel bar on the bending machine table 42 is bent, then each bending machine table 42 moves on the track 41, the steel bar is gradually bent to a specified shape from one end part of the steel bar to the other end part of the steel bar, or the steel bar is bent to a specified shape from the two side end parts of the steel bar to the middle part of the steel bar;
S5, unloading: each bending machine 42 loosens the steel bars, the second mounting piece 452 on the bending machine 42 moves upwards relative to the first mounting piece 451, the steel bars between the movable die 432 and the fixed die 431 are lifted upwards, the first mounting piece 451 moves horizontally relative to the bending machine 42, the steel bars are sent to the placing table 5, the chain 531 below the placing table 5 rotates, the push rod 534 extending out of the placing table 5 moves, and the steel bars on the placing table 5 are pushed to be stacked in the unloading area 51.
It will be apparent to those skilled in the art that while preferred embodiments of the present invention have been described, additional variations and modifications may be made to these embodiments once the basic inventive concepts are known to those skilled in the art. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (7)

1. A full-automatic production line of bending of reinforcing bar, its characterized in that: the steel bar feeding device comprises a steel bar scattering machine (1), a steel bar feeding machine (2), a conveying device (3), a bending device (4) and a placing table (5), wherein the discharging end of the steel bar scattering machine (1) is connected with the feeding end of the steel bar feeding machine (2), the discharging end of the steel bar feeding machine (2) is connected with the feeding end of the conveying device (3), a mechanical claw (31) for clamping steel bars is slidably arranged between the discharging end of the conveying device (3) and the bending device (4), and the placing table (5) is arranged on one side of the bending device (4);
The bending device (4) comprises a track (41) arranged on the ground and at least two bending machine tables (42) symmetrically arranged in the horizontal linear direction, wherein the bending machine tables (42) are arranged on the track (41) in a sliding mode, a bending component (43) for bending reinforcing steel bars is arranged on the top wall of each bending machine table (42), a clamping component (44) for clamping the reinforcing steel bars is further arranged on the top wall of each bending machine table (42), a transferring component (45) for transferring the reinforcing steel bars to a placing table (5) is further arranged on each bending machine table (42), and a discharging component (53) for stacking the reinforcing steel bars is arranged on each placing table (5);
The clamping assembly (44) comprises a lifting table (441), a fixed plate (442) and a movable plate (443), wherein the lifting table (441) is vertically and slidably arranged in the bending machine table (42), the fixed plate (442) is vertically and fixedly arranged on the lifting table (441), the movable plate (443) is horizontally and slidably arranged on the lifting table (441), a third air cylinder (444) for driving the movable plate (443) to vertically lift is arranged in the bending machine table (42), and a fourth air cylinder (445) for driving the movable plate (443) to move in a direction perpendicular to the sliding direction of the bending machine table (42) is arranged on the lifting table (441);
The utility model discloses a flexible material conveying device, including placing platform (5), bending device (4) and placing platform (5), place platform (5) and keep away from one side of bending device (4) and be equipped with discharge area (51), place downwards and run through on platform (5) and offered bar hole (52), place parallel spaced apart on platform (5) and be equipped with two piece at least bar hole (52), bar hole (52) extend along the direction of keeping away from bending device (4), every bar hole (52) below all is provided with discharge assembly (53), discharge assembly (53) include chain (531), fourth actuating source (532) and two sprocket (533), two sprocket (533) all rotate and set up place platform (5) below and be located bar hole (52) both ends, chain (531) are around establishing on two sprocket (533), fourth actuating source (532) are fixed to be set up on placing platform (5), fourth actuating source (532) are used for driving one sprocket (533) to rotate, the outside interval of chain (531) is provided with many push rods (534), push rod (533) stretch out bar hole (52) upwards.
Push rod (534) include connecting portion (5341) and articulated portion (5342), connecting portion (5341) fixed connection is on chain (531), articulated portion (5342) are articulated to be set up connecting portion (5341) keep away from the one end of chain (531), the articulated axis of articulated portion (5342) is parallel and perpendicular to the axis of sprocket (533) with the mesa of placing platform (5).
2. The full-automatic steel bar bending production line according to claim 1, wherein the bending assembly (43) comprises a fixed die (431) and a movable die (432), the fixed die (431) is arranged at the top of the bending machine (42), the movable gear ring (433) is rotationally arranged in the bending machine (42), the fixed die (431) is located in the middle of the movable gear ring (433), the movable die (432) is arranged at the top of the movable gear ring (433) and extends upwards out of the bending machine (42), and a first driving source (434) for driving the movable gear ring (433) to rotate is arranged in the bending machine (42).
3. The full-automatic steel bar bending production line according to claim 2, wherein the fixed die (431) is vertically lifted and arranged on a bending machine table (42), a first air cylinder (435) for driving the fixed die (431) to lift is fixedly arranged in the bending machine table (42), the movable die (432) is vertically lifted and arranged on a driven gear ring (433), and a second air cylinder (436) for driving the movable die (432) to lift is fixedly arranged at the bottom of the driven gear ring (433).
4. The full-automatic steel bar bending production line according to claim 1, wherein the transfer assembly (45) comprises a first mounting plate (451) and a second mounting plate (452), the first mounting plate (451) is slidably arranged in the bending machine (42), a second driving source (453) for driving the first mounting plate (451) to vertically slide is arranged in the bending machine (42), the second mounting plate (452) is horizontally slidably arranged on the first mounting plate (451), a third driving source (454) for driving the second mounting plate (452) to horizontally slide on the first mounting plate (451) perpendicular to the sliding direction of the bending machine (42) is arranged on the first mounting plate (451), and a bearing table (455) for bearing steel bars is arranged at one end, close to the placing table (5), of the top of the second mounting plate (452).
5. The full-automatic steel bar bending production line according to claim 1, wherein racks (411) are arranged on the rails (41) along the length direction of the rails, a fifth driving source (421) is fixedly arranged on the bending machine table (42), a driving gear (422) is connected to an output shaft of the fifth driving source (421), the driving gear (422) is meshed with the racks (411), a fifth air cylinder (423) is further vertically and fixedly arranged on the bending machine table (42), a supporting head (424) is fixedly arranged on a piston rod of each fifth air cylinder (423), and the supporting head (424) is used for being abutted to the top wall of the rails (41).
6. The full-automatic steel bar bending production line according to any one of claims 1-5, wherein mounting holes (461) are formed in the positions, close to the outer edges, of the table tops of the bending machine tables (42) at the two side edges of the rail (41), baffle plates (46) are arranged in the mounting holes (461) in a lifting mode in the vertical direction, and sixth air cylinders (462) for driving the baffle plates (46) to vertically lift are arranged in the bending machine tables (42).
7. A fully automatic steel bar bending process, which adopts the fully automatic steel bar bending production line as claimed in claim 4, and is characterized by comprising the following steps:
S1, feeding: piling up the steel bars in a steel bar scattering machine (1), starting the steel bar scattering machine (1), scattering the steel bars into a steel bar feeding machine (2), and feeding the steel bars into a conveying device (3) one by the steel bar feeding machine (2);
S2, transferring: the conveying device (3) conveys the steel bars to the discharging end, then the mechanical claws (31) clamp the steel bars from the discharging end of the conveying device (3), and the steel bars are conveyed to the position above the bending machine table (42) and put down;
S3, neatly: the baffles (46) on the bending machine tables (42) at the two side edges of the track (41) are lifted, and the two bending machine tables (42) do approaching motion until the baffles (46) on the two bending machine tables (42) respectively prop against the two ends of the steel bars, and the baffles (46) are lowered below the table top of the bending machine tables (42);
S4, bending: at least one bending machine (42) clamps the steel bars, then a movable die (432) on the bending machine (42) rotates around a fixed die (431) to bend the steel bars on the bending machine (42), and the two bending machines (42) alternately clamp the steel bars and do approaching movement to bend the steel bars into a designated shape gradually;
s5, unloading: each bending machine (42) loosens the steel bars, a second mounting piece (452) on the bending machine (42) moves to lift the steel bars and send the steel bars to the placing table (5), a push rod (534) on the placing table (5) moves to push the steel bars on the placing table (5) to be piled up in the unloading area (51).
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CN117102386B (en) * 2023-10-25 2024-04-09 连云港中砼新型建筑科技有限公司 Reinforcing bar equipment of bending for concrete prefab production and processing

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US3812694A (en) * 1970-11-30 1974-05-28 P Peddinghaus Bending machine for metal rods
CN201711452U (en) * 2010-05-18 2011-01-19 中国建筑科学研究院建筑机械化研究分院 Two-way automatic moving steel bar bending machine
CN105382151A (en) * 2015-12-19 2016-03-09 济南陆枋志合信息技术有限公司 Circular reinforcement fame bending device
CN105382129A (en) * 2015-12-19 2016-03-09 李加振 Bending machine for steel bar frame used for building bridge
TWM528807U (en) * 2016-02-15 2016-09-21 Yi Wang Machinery Co Ltd Conveying mechanism using in steel bar bending machine
CN106825319A (en) * 2017-04-07 2017-06-13 长葛市老城昌宝建筑机械配件厂 Angle-bender with flush plate
CN212144312U (en) * 2020-04-23 2020-12-15 北京腾达安顺科技有限公司 Bending device is used in construction steel bar processing
CN217343339U (en) * 2022-05-20 2022-09-02 成都固特机械有限责任公司 Full-automatic bending production line for steel bars

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3812694A (en) * 1970-11-30 1974-05-28 P Peddinghaus Bending machine for metal rods
DE2215490A1 (en) * 1972-03-29 1973-10-04 Peddinghaus Carl Ullrich Dr BENDING MACHINE FOR CONCRETE STEEL BARS IN PARTICULAR
CN201711452U (en) * 2010-05-18 2011-01-19 中国建筑科学研究院建筑机械化研究分院 Two-way automatic moving steel bar bending machine
CN105382151A (en) * 2015-12-19 2016-03-09 济南陆枋志合信息技术有限公司 Circular reinforcement fame bending device
CN105382129A (en) * 2015-12-19 2016-03-09 李加振 Bending machine for steel bar frame used for building bridge
TWM528807U (en) * 2016-02-15 2016-09-21 Yi Wang Machinery Co Ltd Conveying mechanism using in steel bar bending machine
CN106825319A (en) * 2017-04-07 2017-06-13 长葛市老城昌宝建筑机械配件厂 Angle-bender with flush plate
CN212144312U (en) * 2020-04-23 2020-12-15 北京腾达安顺科技有限公司 Bending device is used in construction steel bar processing
CN217343339U (en) * 2022-05-20 2022-09-02 成都固特机械有限责任公司 Full-automatic bending production line for steel bars

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