CN217343339U - Full-automatic bending production line for steel bars - Google Patents

Abstract

The utility model provides a full-automatic production line of bending of reinforcing bar belongs to reinforcing bar processing equipment technical field. Comprises a reinforcing steel bar scattering machine, a reinforcing steel bar feeding machine, a conveying device, a bending device and a placing table. The bending device comprises at least two bending machine platforms, a bending assembly, a clamping assembly and a transferring assembly are arranged on the top wall of each bending machine platform, and a discharging assembly is arranged on each placing platform. Break up the reinforcing bar through the reinforcing bar machine of breaing up, during reinforcing bar material loading machine made the reinforcing bar send into conveyor gradually one by one, conveyor sent the reinforcing bar to conveyor and goes up the position that is close to bending apparatus, and during rethread gripper transferred the reinforcing bar to bending apparatus, in bending apparatus with the reinforcing bar bending back, moved the reinforcing bar by transferring the subassembly and toward placing the platform, finally, will place the reinforcing bar windrow on the platform through the subassembly of unloading and collect. The process adopts automation equipment to produce, and degree of automation is high, and the reinforcing bar bending accuracy is good, saves a large amount of manpowers, has greatly improved reinforcing bar bending efficiency.

Description

Full-automatic bending production line for steel bars

Technical Field

The utility model relates to a reinforcing bar processing equipment technical field discloses a full-automatic production line of bending of reinforcing bar.

Background

With the investment of China in the urban road construction direction, the domestic road and bridge construction technology is continuously improved. The box girder is as the indispensable structure in road and bridge construction, and its manufacturing technology is constantly maturing.

In the pouring forming process of the box girder prefabricated part, a plurality of steel bars are required to be used for keeping various performances of the box girder structure, the style of the steel bars is various, and different shapes can be bent according to the shape requirements of the pouring process box girder on the steel bars. In the prior art, workers typically lift the bars onto the bar bender and bend the bars through the bar bender.

However, in the process of bending the steel bars, workers need to manually hold the steel bars in the whole process, and then the steel bar bending machine bends the bent parts on the steel bars one by one, so that the operation is labor-consuming and the processing efficiency is low.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem among the prior art, the utility model provides a full-automatic production line of bending of reinforcing bar.

In order to achieve the above object, the utility model adopts the following technical scheme:

the embodiment of the application provides a full-automatic bending production line of reinforcing steel bars, which comprises a reinforcing steel bar scattering machine, a reinforcing steel bar feeding machine, a conveying device, a bending device and a placing table, wherein the discharging end of the reinforcing steel bar scattering machine is connected with the feeding end of the reinforcing steel bar feeding machine, the discharging end of the reinforcing steel bar feeding machine is connected with the feeding end of the conveying device, a mechanical claw for clamping the reinforcing 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, the bending device is including setting up subaerial track, two at least crooked boards that the symmetry set up in horizontal straight line direction, the crooked board slides and sets up on the track, be provided with the bending component who is used for crooked reinforcing bar on the roof of crooked board, still be provided with the clamping component who is used for centre gripping reinforcing bar on the roof of crooked board, still be provided with on the crooked board and be used for transferring the reinforcing bar to the subassembly of transferring of placing the platform, it is equipped with the subassembly of unloading that is used for stacking the reinforcing bar on the platform to place

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, a driven gear ring is arranged in the bending machine table in a rotating mode, 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 used for driving the driven gear ring to rotate is arranged in the bending machine table.

Further, the vertical lift setting of cover half is on the bending machine platform, and the bending machine platform internal fixation is provided with the first cylinder that is used for ordering about the cover half lift, and the vertical lift setting of movable mould is on driven ring gear, and driven ring gear's bottom is fixed to be provided with the second cylinder that is used for ordering about the movable mould lift.

Further, the clamping assembly comprises a lifting platform, a fixed plate and a movable plate, the lifting platform is vertically arranged in the bending machine platform in a sliding mode, the fixed plate is vertically fixedly arranged on the lifting platform, the movable plate is horizontally arranged on the lifting platform in a sliding mode, a third cylinder used for ordering the movable plate to vertically lift is arranged in the bending machine platform, and a fourth cylinder used for ordering the movable plate to move in the direction perpendicular to the sliding direction of the bending machine platform is arranged on the lifting platform.

Further, the transfer assembly comprises a first mounting piece and a second mounting piece, the first mounting piece is arranged in the bending machine table in a sliding mode, a second driving source used for driving the first mounting piece to vertically slide is arranged in the bending machine table, the second mounting piece is arranged on the first mounting piece in a horizontal sliding mode, a third driving source used for driving the second mounting piece to horizontally slide on the first mounting piece in a direction perpendicular to the sliding direction of the bending machine table is arranged on the first mounting piece, and a bearing platform used for bearing reinforcing steel bars is arranged at the top of the second mounting piece close to one end of the placing table.

Further, place the platform and keep away from one side of bending device and be equipped with the district of unloading, place the bench and run through down and seted up the bar hole, it is equipped with two at least bar holes to place bench parallel spaced apart, 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 drive source and two sprockets, two sprockets all rotate and set up the both ends of placing the platform below and being located the bar hole, the chain is around establishing on two sprockets, the fixed setting in placing the platform in fourth drive source, fourth drive source is used for ordering about a sprocket and rotates, the outside interval of chain is provided with many push rods, the push rod upwards stretches out the bar hole.

Furthermore, the push rod comprises a connecting part and a hinged part, the connecting part is fixedly connected to the chain, the hinged part is hinged to one end, away from the chain, of the connecting part, and the hinged axis of the hinged part is parallel to the table surface of the placing table and perpendicular to the axis of the chain wheel.

Further, be provided with the rack along self length direction on the track, the fixed fifth driving source that is provided with on the bending board, the output shaft of fifth driving source has drive gear, drives gear and rack toothing, still vertically has set firmly the fifth cylinder on the bending board, has set firmly the support head on the piston rod of fifth cylinder, and the support head is used for the butt on orbital roof.

Further, the mounting hole has all been seted up near outer edge on the mesa of the crooked board at track both sides edge, goes up and down along vertical direction in the mounting hole and is provided with the baffle, is provided with the sixth cylinder that is used for ordering about the vertical lift of baffle in the crooked board.

The embodiment of the application provides a full-automatic production line of bending of reinforcing bar, including reinforcing bar breaker, reinforcing bar material loading machine, conveyor, bending apparatus and place the platform, the discharge end of reinforcing bar breaker is connected with the feed end of reinforcing bar material loading machine, and the discharge end of reinforcing bar material loading machine is connected with conveyor's feed end, slides between conveyor's discharge end and the bending apparatus and is provided with the gripper that is used for the centre gripping reinforcing bar, places the platform and sets up the one side at bending apparatus. The bending device comprises a rail arranged on the ground, at least two bending machine platforms symmetrically arranged in the horizontal linear direction, the bending machine platforms are arranged on the rail in a sliding mode, a bending assembly used for bending the steel bars, a clamping assembly used for clamping the steel bars and a transferring assembly used for transferring the steel bars to the placing platform are arranged on the top wall of each bending machine platform, and a discharging assembly used for stacking the steel bars is arranged on the placing platform.

The utility model has the advantages that: the workman stacks the reinforcing bar on the reinforcing bar scattering machine, scatter the reinforcing bar through the reinforcing bar scattering machine and send into the reinforcing bar material loading machine, the reinforcing bar material loading machine makes the reinforcing bar send into conveyor one by one gradually, conveyor is sent to the reinforcing bar and is close to the position of bending apparatus on the conveyor, the rethread gripper transfers the reinforcing bar from conveyor to the bending assembly of the interior crooked board of bending apparatus, after bending apparatus bends the reinforcing bar, move the reinforcing bar toward placing the platform by transferring the subassembly, finally, will place the reinforcing bar windrow on the platform through the subassembly of unloading and collect. The process adopts automation equipment to produce, and degree of automation is high, and the reinforcing bar bending accuracy is good, saves a large amount of manpowers, has greatly improved reinforcing bar bending efficiency.

Drawings

Fig. 1 is the overall structure schematic diagram of the full-automatic reinforcing bar bending production line of this application embodiment.

Fig. 2 is a schematic cross-sectional structure diagram of the interior of the bending machine according to the embodiment of the present application.

Fig. 3 is a schematic structural view of a transfer assembly according to an embodiment of the present disclosure.

FIG. 4 is a schematic cross-sectional view of a bottom of a bending machine according to an embodiment of the present application

Fig. 5 is a partial structural schematic view of a placing table according to an embodiment of the present application.

Fig. 6 is a partially enlarged view of a portion a of fig. 5.

Fig. 7 is a schematic structural diagram of a push rod according to an embodiment of the present application.

Wherein, 1, a reinforcing steel bar scattering machine; 2. a reinforcing steel bar feeding machine; 3. a conveying device; 31. a gripper; 4. a bending device; 41. a track; 411. a rack; 42. bending the machine table; 421. a fifth drive source; 422. a drive gear; 423. a fifth cylinder; 424. a support head; 43. a bending assembly; 431. fixing a mold; 432. moving the mold; 433. a driven gear ring; 434. a first drive source; 435. a first cylinder; 436. a second cylinder; 44. a clamping assembly; 441. a lifting platform; 442. a fixing plate; 443. a movable plate; 444. a third cylinder; 445. a fourth cylinder; 45. a transfer assembly; 451. a first mounting piece; 452. a second mounting piece; 453. a second drive source; 454. a third drive source; 455. a support platform; 46. a baffle plate; 461. mounting holes; 462. a sixth cylinder; 5. a placing table; 51. a discharge area; 52. a strip-shaped hole; 53. a discharge assembly; 531. a chain; 532. a fourth drive source; 533. a sprocket; 534. a push rod; 5341. a connecting portion; 5342. a hinge section.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Example one

The embodiment of the utility model provides a through providing a full-automatic production line of bending of reinforcing bar, refer to fig. 1, the production line includes reinforcing bar breaker 1, reinforcing bar material loading machine 2, conveyor 3, bending apparatus 4 and places platform 5, reinforcing bar breaker 1's discharge end and reinforcing bar material loading machine 2's feed end are connected, reinforcing bar material loading machine 2's discharge end and conveyor 3's feed end are connected, it is provided with the gripper 31 that is used for the centre gripping reinforcing bar to slide between conveyor 3's discharge end and the bending apparatus 4, place platform 5 and set up the one side at bending apparatus 4.

Wherein, reinforcing bar scattering machine 1 and reinforcing bar material loading machine 2 can refer to patent publication No. CN 112660711A's patent, and reinforcing bar scattering machine 1 is used for supplying the workman to stack the reinforcing bar to arrange the back of scattering with the reinforcing bar, send into reinforcing bar material loading machine 2 in proper order with single reinforcing bar form, reinforcing bar material loading machine 2 is reinforcing bar material twisting machine, sends into conveyor 3 with accurate interval time, one by one with the reinforcing bar of the single form that reinforcing bar scattering machine 1 sent into. Conveyor 3 can adopt and extend to the frame of bending apparatus 4 material loading end from 2 discharge ends of reinforcing bar material loading machine to and roll a plurality of conveying rollers of installation in the frame and constitute, and the conveying roller in the frame is through the motor drive rotation. The gripper 31 adopts the cylinder drive to grab and hold the action, and the output device frame is close to one side welded mounting of bending apparatus 4, and gripper 31 is along the shortest straight line direction slidable mounting between conveyor 3 and bending apparatus 4 on the mounting bracket to gripper 31 promotes the removal through installing the cylinder on the mounting bracket, and gripper 31's part can vertically stretch out and draw back to grab the reinforcing bar that is located on the output device and transfer the reinforcing bar in bending apparatus 4 top.

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 by anchor bolts, the rail 41 is parallel to the steel bars on the conveyor 3, a plurality of guide wheels are installed below the bending machines 42, and the bending machines 42 are slidably installed on the rail 41 by the guide wheels. The bending machine table 42 is provided with a bending assembly 43, a clamping assembly 44 and a transferring assembly 45 on the top wall, 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 both located on one side of the bending assembly 43 on the bending machine base 42 close to the center of the bending machine bases 42 on the track 41, and when the number of the bending machine bases 42 is singular, the clamping assembly 44 and the transferring assembly 45 on the bending machine base 42 located in the middle of the bending machine bases 42 are both located on the same side of the bending assembly 43.

The steel bar scattering machine 1 is used for scattering piled steel bars and sending the scattered steel bars into the steel bar feeding machine 2, the steel bar feeding machine 2 is used for feeding the steel bars into the output device one by one at regular time, the output device is used for feeding the steel bars to one side of the bending device 4 from one side of the output end of the steel bar feeding machine 2, and the mechanical claw 31 is used for holding the steel bars from the conveying device 3 and placing the steel bars on the bending device 4. After the reinforcing steel bars are bent by the combined operation of the clamping assemblies 44 and the bending assemblies 43 on the bending machine platforms 42 in the bending device 4, the reinforcing steel bars are transferred to the placing platform 5 by the transfer assembly 45, and the reinforcing steel bars are stacked by the discharging assembly 53 on the placing platform 5. The whole process of the steel bar bending is operated by automatic machinery, a large amount of manpower is saved, and the production efficiency of the steel bar bending is greatly improved.

Specifically, the bending assembly 43 includes a fixed die 431 and a movable die 432. The fixed die 431 is arranged at the top of the bending machine platform 42, the driven gear ring 433 is arranged in the bending machine platform 42 in a rotating mode, 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, an installation opening for the movable die 432 to extend upwards on the driven gear ring 433 is formed in the top of the bending machine platform 42, and the installation opening is an arc-shaped waist-shaped hole around the fixed die 431. The fixed die 431 is located in the middle of the driven gear ring 433, and a first driving source 434 for driving the driven gear ring 433 to rotate is arranged in the bending machine table 42. In this embodiment, the first driving source 434 may be a first motor, the first motor is fixed on the bending machine table 42 by means of bolting, riveting, or the like, a gear is coaxially fixed on an output shaft of the first motor, the gear on the output shaft of the first motor is engaged with the driven gear ring 433, and the movable mold 432 is driven to reciprocate on the bending machine table 42 by the 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 mold 432 and the fixed mold 431 on the bending machine table 42, and the movable mold 432 is driven to rotate around the fixed mold 431 by the driving part, so that the steel bar is attached to the fixed mold 431 and bent to a certain size.

When there are a plurality of bending machine stands 42, in order to prevent the movable die 432 or the fixed die 431 on some bending machine stands 42 from interfering with the steel bar during the bending process of the steel bar, in the embodiment of the present application, the fixed die 431 is vertically lifted and lowered on the bending machine stands 42, and the movable die 432 is vertically lifted and lowered on the driven gear ring 433. Specifically, vertical fixed mounting has the working barrel in the crooked board 42, and coaxial vertical slidable mounting has the lift seat in the working barrel, and the cover half 431 is installed on the roof of lift seat, is provided with first cylinder 435 through the mode fixed of not being limited to bolted connection in the crooked board 42, and first cylinder 435 is located the below of working barrel, and the bottom at the lift seat is connected to the piston rod of first cylinder 435. A second cylinder 436 is fixedly provided to the bottom of the driven ring gear 433 by means of a bolt connection, 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 quickly by stretching the piston rods of the first air cylinder 435 and the second air cylinder 436, the movable die 432 can be reset conveniently, and the movable die 432 and the fixed die 431 are timely sunk into the bending machine table 42 according to the requirement of bending a steel bar, so that interference and obstruction caused by bending of the steel bar 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 and slidably installed on the sliding rail, the fixed plate 442 is vertically and fixedly installed on the lifting platform 441 through a bolt, the lifting platform 441 is provided with a kidney-shaped hole, and the movable plate 443 and the lifting platform 441 are connected by passing through the movable plate 443 and the kidney-shaped hole simultaneously through the bolt. The bolt on the movable plate 443 horizontally slides in the kidney-shaped hole perpendicular to the length direction of the rail 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 rail 41. A third cylinder 444 is vertically fixed in the bending machine 42 by means of, but not limited to, bolt fastening, and a piston rod of the third cylinder 444 is fixedly connected to the bottom of the lifting platform 441, so as to drive the movable plate 443 to vertically lift. A fourth cylinder 445 is horizontally fixed on the lifting platform 441 by a bolt fixing method, and a piston rod of the fourth cylinder 445 is fixedly connected with the movable plate 443 and is used for driving the movable plate 443 to slide on the lifting platform 441.

In the embodiment of the present application, the clamping assembly 44 is located on one side of the bending assembly 43 on the bending machine platform 42, which is close to the middle of all the bending machine platforms 42 on the track 41, and when bending the steel bar, the clamping assembly 44 clamps the steel bar first, and then the bending assembly 43 bends the end of the steel bar outside the bending mechanism. When the steel bar is bent by only two bending machines 42, the steel bar is clamped by the clamping assembly 44 on one bending machine 42 and then bent by the bending assembly 43 on the other bending machine 42. The reinforcing steel bar is bent under the reinforcing steel bar clamping and fixing state, so that the reinforcing steel bar can be effectively prevented from popping up, and the safety of the reinforcing steel bar bending process is improved.

Referring to fig. 3, the transferring assembly 45 includes a first mounting piece 451 and a second mounting piece 452, specifically, a first slide rail is vertically mounted on one side of the bending assembly 43, which is close to another bending machine table 42, in the bending machine table 42, the first mounting piece 451 is slidably mounted on the first slide rail, a second slide rail is horizontally mounted on the second mounting piece 452, the second mounting piece 452 is slidably mounted on the second slide rail, a second driving source 453 is disposed on the bending machine table 42 for driving the first mounting piece 451 to vertically slide, and a third driving source 454 is disposed on the second mounting piece 452 for driving the second mounting piece to horizontally slide relative to the first mounting piece 451. A support base 455 for supporting the reinforcing bars is provided at one end of the top of the second mounting piece 452 close to 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 support base 455 and sent toward the placing table 5.

In this embodiment, the second driving source 453 may be an air cylinder, the air cylinder body is fixedly mounted on the bending machine platform 42, a piston rod of the air cylinder is vertically connected to the first mounting piece 451, the third driving source 454 may be a driving motor, a rack is mounted on the first mounting piece 451 along a sliding rail of the second mounting piece 452, the driving motor is mounted on the second mounting piece 452, and the driving motor drives the bending machine platform to move

In the process of transferring the reinforcing bars, the second driving source 453 is first activated to lift the reinforcing bars positioned in the bending unit 43 upward by the support base 455 of the raised second mounting piece 452, then the third driving source 454 is activated to push the reinforcing bars toward the placing base 5, and finally the second driving source 453 and the third driving source 454 are reset to return the first mounting piece 451 and the second mounting piece 452 to their original positions. In other embodiments, the second driving source 453 and the third driving source 454 may be driven by a driving motor, a cylinder, or the same driving method may be used for both the second driving source 453 and the third driving source 454.

Referring to fig. 4, in order to make the bending machine base 42 move on the rail 41 autonomously, 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 base 42, the fifth driving source 421 adopts 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 activated, the bending machine 42 is driven to move linearly on the rail 41 by the engagement transmission between the driving gear 422 and the rack 411 on the rail 41 and the guiding action of the guiding rail on the bending machine 42.

Furthermore, in this embodiment of the application, still fixed mounting has the fifth cylinder 423 on the bending machine table 42, and the fifth cylinder 423 sets up vertically, and the piston rod of the fifth cylinder 423 is vertical downwards to be connected with the support head 424, and the support head 424 can be the metal material, supports the head 424 and faces the track 41, and when the piston rod of the fifth cylinder 423 extended, the support head 424 can butt on the roof of the track 41. The piston rod of the fifth cylinder 423 extends to enable the supporting head 424 to tightly abut against the rail 41, so that the bending machine 42 can be effectively supported and fixed on the rail 41. In order to make the bending machine table 42 integrally stable when being supported and fixed, in the embodiment of the present application, a plurality of fifth cylinders 423 are uniformly distributed on the bending machine table 42 to uniformly and stably support the bending machine table 42.

The fifth driving source 421 and the fifth cylinder 423 in the bending machine 42 are controlled to open and close by a PLC program, so that the bending machine 42 automatically travels on the rail 41 and is accurately positioned and fixed. Further, in order to improve the bending precision of the reinforcing steel bar, mounting holes 461 have been opened near the outer edge on the table top of the bending machine table 42 at the two side edges of the rail 41, and baffles 46 are arranged in the mounting holes 461 in the vertical direction in a lifting manner. Wherein, a sixth cylinder 462 is vertically installed in the bending machine table 42 located at the outermost of the two sides on the track 41, and a piston rod of the sixth cylinder 462 is fixedly connected with the bottom of the baffle 46.

After the gripper 31 places the steel bar on the bending machine base 42, the piston rod of the sixth cylinder 462 extends out, the baffle 46 is lifted out of the bending machine base 42 from the installation hole 461, and then the two bending machine bases 42 located at the outermost edges on the track 41 perform a relative approaching motion, for example, one bending machine base 42 moves to approach the other bending machine base 42, or the two machine bases move synchronously to approach. The baffles 46 on the two bending machines 42 are abutted to the end parts of the two ends of the steel bars respectively, so that zero setting before bending operation of the steel bars is completed, each steel bar can 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 arranged on one side of the placing table 5 away from the bending device 4, in the embodiment of the present application, the discharging area 51 is a rebar placing frame welded by using rebars, and the placing frame is installed on the ground, and an opening of the placing frame is opposite to the edge of the table top of the placing table 5 away from the bending device 4. The placing table 5 is provided with a strip-shaped hole 52 which penetrates through the placing table 5 downwards, the length direction of the strip-shaped hole 52 is parallel to the linear direction between the bending device 4 and the discharging area 51, two strip-shaped holes 52 are arranged on 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 top of the placing table 5 can be pushed to the discharging area 51 in order through the discharging assemblies 53 in at least two strip-shaped holes 52.

In this embodiment, the discharging assembly 53 includes a chain 531, a fourth driving source 532 and two chain wheels 533, wherein the two chain wheels 533 are all rotatably installed below the placing table 5, and the two chain wheels 533 are respectively located at two ends of the strip-shaped hole 52, the chain 531 is wound on the two chain wheels 533, the fourth driving source 532 can be a driving motor, the driving motor is fixed on the placing table 5 through bolts and the like, and an output shaft of the driving motor is connected to any one of the chain wheels 533 in a matching manner so as to drive the chain wheel 533 to rotate. The outside of chain 531 is connected with push rod 534, upwards stretches out from bar hole 52 and places the platform 5 mesa, and in chain 531 rotation process, push rod 534 can contact with the reinforcing bar on placing the platform 5 to promote the reinforcing bar on placing the platform 5 to move to the district 51 of unloading. In the embodiment of the present application, a plurality of push rods 534 on the chain 531 are spaced along the circumference of the chain 531, and each push rod 534 is welded to one connection on the chain 531.

Referring to fig. 7, in order to prevent the push rod 534 protruding from the strip-shaped hole 52 from obstructing and interfering the bending of the reinforcing bar, the push rod 534 includes a connection portion 5341 and a hinge portion 5342 in the present embodiment. The connecting portion 5341 is fixedly connected to the chain 531, the hinge portion 5342 is hinged to one end of the connecting portion 5341 away from the chain 531, and a hinge axis of the hinge portion 5342 is parallel to the table top of the placing table 5 and perpendicular to an axis of the sprocket 533. Specifically, the connecting portion 5341 and the hinge portion 5342 are elastically hinged to each other, a torsion spring is sleeved on a rotating shaft of the hinge portion 5342, one end of the torsion spring is fixedly connected to the connecting portion 5341, the other end of the torsion spring is fixedly connected to the hinge portion 5342, and the spring is used for driving the hinge portion 5342 to rotate on the connecting portion 5341 in the same straight line state.

The utility model discloses a working process does: the workman stacks the reinforcing bar on reinforcing bar scattering machine 1, after starting reinforcing bar scattering machine 1, reinforcing bar scattering 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 that gets into, make the reinforcing bar send into conveyor 3 one by one by one, the conveying roller on the conveyor 3 rotates, send to the reinforcing bar to the position that is close to bending apparatus 4 on the conveyor 3, rethread gripper 31 snatchs the reinforcing bar from conveyor 3, and send to behind the conveyor 3 top, fall the reinforcing bar, make the reinforcing bar be arranged in the crooked subassembly 43 of two crooked board 42 on bending apparatus 4.

The elevating platform 441 in the bending machine 42 is lifted up, so that the fixed plate 442 and the movable plate 443 on the elevating platform 441 are respectively located at two sides of the reinforcing steel bar, and the movable plate 443 is close to the fixed plate 442 to tighten the reinforcing steel bar. Next, the first driving source 434 in the bender base 42 is activated to rotate the driven ring gear 433 on the bender base 42, so as to drive the movable mold 432 to rotate around the fixed mold 431, so that the movable mold 432 pushes the reinforcing steel bar to fit the fixed mold 431 and bend out of shape.

After the steel bar is bent and formed, the second mounting piece 452 on the bending machine base 42 is lifted, the steel bar on the bending machine base 42 is lifted to a position between the driven mold 432 and the fixed mold 431 and is released, and the steel bar is transferred to the placing table 5 through 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 steel bars to move towards the discharging area 51 until the steel bars fall and are stacked in the discharging area 51. The reinforcing bar is from getting material, material loading, bending forming until unloading and stacking, and whole journey all adopts automated assembly to produce, and degree of automation is high, and the reinforcing bar bending accuracy is good, saves a large amount of manpowers, has greatly improved reinforcing bar bending efficiency.

Example two

Based on the same utility model design, another embodiment provides a full-automatic technology of bending of reinforcing bar in this application, including following step:

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 sent to the reinforcing steel bar feeding machine 2, and the reinforcing steel bars are separated one by the reinforcing steel bar feeding machine 2 and sent to the conveying device 3.

S2, transfer: the conveying device 3 transfers the reinforcing steel bars to the discharging end, then the reinforcing steel bars are clamped by the mechanical claws 31 from the discharging end of the conveying device 3 and transferred to the upper part of the bending machine table 42 to put down the reinforcing steel bars.

S3, tidying: the baffles 46 on the bending machines 42 on the two side edges of the track 41 are lifted, and the two bending machines 42 move closer until the baffles 46 on the two bending machines 42 respectively abut against the two ends of the steel bar, and the baffles 46 descend below the top of the bending machines 42, so as to complete the alignment and zero calibration before the bending machines 42 bend the steel bar.

S4, bending: when there are only two bending machines 42, one bending machine 42 clamps the steel bars, and then the movable mold 432 on the other bending machine 42 rotates around the fixed mold 431 to bend the steel bars on the bending machines 42, and the two bending machines 42 alternately clamp and move close to each other to gradually bend the steel bars into a designated shape.

S41, bending: when a plurality of bending machines 42 are arranged, at least one bending machine 42 clamps the reinforcing steel bars, the movable dies 432 on the bending machines 42 which are close to the end parts of the reinforcing steel bars and need to bend the reinforcing steel bars are rotated around the fixed dies 431 to bend the reinforcing steel bars on the bending machines 42, and then the bending machines 42 move on the rails 41 to gradually bend the reinforcing steel bars into a specified shape from one side end parts of the reinforcing steel bars to the other side end parts of the reinforcing steel bars or from the two side end parts of the reinforcing steel bars to the middle parts of the reinforcing steel bars and bend the reinforcing steel bars into the specified shape;

s5, discharging: the reinforcing steel bars are loosened by the bending machine platforms 42, the second installation pieces 452 on the bending machine platforms 42 firstly move upwards relative to the first installation pieces 451, the reinforcing steel bars located between the movable mold 432 and the fixed mold 431 are lifted upwards, then the first installation pieces 451 horizontally move relative to the bending machine platforms 42, the reinforcing steel bars are sent to the placing platform 5, the chains 531 below the placing platform 5 rotate, the push rods 534 extending out of the placing platform 5 move, and the reinforcing steel bars on the placing platform 5 are pushed to the discharging area 51 to be stacked.

It should be apparent to those skilled in the art that while the preferred embodiments of the present invention have been described, additional variations and modifications to these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including 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 changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the technical range equivalent to the machine of the claims, the present invention is also intended to include such modifications and variations.

Claims (9)

1. The utility model provides a full-automatic production line of bending of reinforcing bar which characterized in that: the steel bar scattering machine 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 discharge end of the steel bar scattering machine (1) is connected with the feed end of the steel bar feeding machine (2), the discharge end of the steel bar feeding machine (2) is connected with the feed end of the conveying device (3), a mechanical claw (31) for clamping steel bars is arranged between the discharge end of the conveying device (3) and the bending device (4) in a sliding mode, and the placing table (5) is arranged on one side of the bending device (4);

the bending device (4) comprises a rail (41) arranged on the ground and at least two bending machine platforms (42) symmetrically arranged in the horizontal straight line direction, the bending machine platforms (42) are arranged on the rail (41) in a sliding mode, a bending assembly (43) used for bending the steel bars is arranged on the top wall of each bending machine platform (42), a clamping assembly (44) used for clamping the steel bars is further arranged on the top wall of each bending machine platform (42), a transferring assembly (45) used for transferring the steel bars to the placing platform (5) is further arranged on each bending machine platform (42), and a discharging assembly (53) used for stacking the steel bars is arranged on each placing platform (5).

2. The full-automatic bending production line for the reinforcing steel bars as claimed in 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 table (42), a driven gear ring (433) is rotatably arranged in the bending machine table (42), the fixed die (431) is located in the middle of the driven gear ring (433), the movable die (432) is arranged at the top of the driven gear ring (433) and extends upwards out of the bending machine table (42), and a first driving source (434) for driving the driven gear ring (433) to rotate is arranged in the bending machine table (42).

3. The full-automatic bending production line for the reinforcing steel bars as claimed in claim 2, wherein the fixed die (431) is vertically arranged on the bending machine table (42) in a lifting manner, 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 arranged on the driven gear ring (433) in a lifting manner, 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 bending production line for reinforcing steel bars as claimed in claim 1, wherein the clamping assembly (44) comprises a lifting table (441), a fixed plate (442) and a movable plate (443), the lifting table (441) is vertically slidably disposed in the bending table (42), the fixed plate (442) is vertically and fixedly disposed on the lifting table (441), the movable plate (443) is horizontally slidably disposed on the lifting table (441), a third cylinder (444) for driving the movable plate (443) to vertically lift is disposed in the bending table (42), and a fourth cylinder (445) for driving the movable plate (443) to move perpendicular to the sliding direction of the bending table (42) is disposed on the lifting table (441).

5. The full-automatic reinforcing steel bar bending production line as claimed in claim 1, wherein the transfer assembly (45) comprises a first mounting piece (451) and a second mounting piece (452), the first mounting piece (451) is slidably arranged in the bending machine base (42), a second driving source (453) for driving the first mounting piece (451) to vertically slide is arranged in the bending machine base (42), the second mounting piece (452) is horizontally slidably arranged on the first mounting piece (451), a third driving source (454) for driving the second mounting piece (452) to horizontally slide on the first mounting piece (451) perpendicular to the sliding direction of the bending machine base (42) is arranged on the first mounting piece (451), and a supporting base (455) for supporting the reinforcing steel bars is arranged at one end, close to the placing base (5), of the top of the second mounting piece (452).

6. The full-automatic bending production line of reinforcing steel bars as claimed in claim 5, wherein a discharging area (51) is arranged on one side of the placing table (5) far away from the bending device (4), a strip-shaped hole (52) is formed in the placing table (5) in a downward penetrating manner, at least two strip-shaped holes (52) are formed in the placing table (5) in parallel at intervals, the strip-shaped holes (52) extend in the direction far away from the bending device (4), a discharging assembly (53) is arranged below each strip-shaped hole (52), each discharging assembly (53) comprises a chain (531), a fourth driving source (532) and two chain wheels (533), the two chain wheels (533) are rotatably arranged below the placing table (5) and located at two ends of each strip-shaped hole (52), the chain (531) is wound on the two chain wheels (533), and the fourth driving source (532) is fixedly arranged on the placing table (5), the fourth driving source (532) is used for driving a chain wheel (533) to rotate, a plurality of push rods (534) are arranged on the outer side of the chain (531) at intervals, and the push rods (534) extend out of the strip-shaped holes (52) upwards.

7. The full-automatic bending production line of the reinforcing steel bars as claimed in claim 6, wherein the push rod (534) comprises a connecting portion (5341) and a hinged portion (5342), the connecting portion (5341) is fixedly connected to the chain (531), the hinged portion (5342) is hinged to one end of the connecting portion (5341) far away from the chain (531), and a hinge axis of the hinged portion (5342) is parallel to the table top of the placing table (5) and perpendicular to an axis of the chain wheel (533).

8. The full-automatic bending production line of reinforcing steel bars as claimed in claim 1, wherein a rack (411) is arranged on the track (41) along the length direction of the track, a fifth driving source (421) is fixedly arranged on the bending machine table (42), an output shaft of the fifth driving source (421) is connected with a driving gear (422), the driving gear (422) is meshed with the rack (411), a fifth cylinder (423) is further vertically and fixedly arranged on the bending machine table (42), a piston rod of the fifth cylinder (423) is fixedly provided with a support head (424), and the support head (424) is used for abutting against the top wall of the track (41).

9. The full-automatic bending production line for the steel bars according to any one of claims 1 to 8, wherein mounting holes (461) are formed in the table top of the bending machine table (42) on the two side edges of the rail (41) and close to the outer edge, a baffle (46) is vertically arranged in each mounting hole (461) in a lifting mode, and a sixth air cylinder (462) for driving the baffle (46) to vertically lift is arranged in each bending machine table (42).

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