CN216065292U

CN216065292U - Efficient construction steel bar bending device

Info

Publication number: CN216065292U
Application number: CN202121372150.7U
Authority: CN
Inventors: 陈娟
Original assignee: Individual
Current assignee: China Railway 12th Bureau Group International Engineering Co Ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-03-18
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses an efficient building steel bar bending device which comprises a bottom plate, wherein an annular T-shaped sliding groove is formed in the top surface of the bottom plate. This device is when the reinforcing bar is bent, the reinforcing bar body diameter of placing in every standing groove can be according to work demand discretion, remove n type pole and roller towards reinforcing bar body direction again, the reinforcing bar body that the thickness is different of conveniently bending like this, and electric telescopic handle functions, can effectually adjust the height of roller according to the length of reinforcing bar body, rethread third threaded rod, T type piece and T type groove setting, the height of pole can effectually be bent in the regulation, and the yardstick that marks on the round bar, can be clear and definite like this know the height between pole bottom surface of bending and the roller top surface, and then can realize adjusting the angle that the reinforcing bar body was bent, adjust the back, through the motor function, make the pole of bending rotatory towards the roller direction, produce the extrusion to the reinforcing bar body and bend it, the reinforcing bar body after bending is also convenient to be taken out from the disc top.

Description

Efficient construction steel bar bending device

Technical Field

The utility model relates to the technical field of bending equipment, in particular to an efficient building steel bar bending device.

Background

The steel bar bending machine is widely used in mechanical equipment of civil engineering or constructional engineering, is used for bending stainless steel bars or other stainless steel pipes, and bends the stainless steel bars or other stainless steel pipes into any radian according to requirements in the bending process. In the prior art, a steel pipe is formed by cold bending according to needs. But current angle bender structure is complicated, and the cost is with high costs, difficult operation to after the reinforcing bar is bent, the reinforcing bar is very inconvenient when taking out from anchor clamps, makes the operation comparatively loaded down with trivial details, and the reinforcing bar that many thicknesses diameters are different can not be bent simultaneously in the current reinforcing bar bending process simultaneously, and then needs a steel pipe to bend, and then extravagant a large amount of operating time, and then influences work efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the existing problems, the utility model provides an efficient construction steel bar bending device.

The utility model is realized by the following technical scheme:

an efficient construction steel bar bending device comprises a base plate, wherein an annular T-shaped chute is arranged on the top surface of the base plate, a T-shaped ring is arranged in the T-shaped chute and is in fit rotary connection with the T-shaped chute, four fixing rods are fixedly connected to the top surface of the T-shaped ring, the four fixing rods are arranged symmetrically in pairs, a stop block is fixedly connected to the top surface of each fixing rod, four placing grooves are arranged on the top surface of the base plate in the T-shaped ring, the four placing grooves are annularly arranged by taking the circle center of the base plate as the center, two electric telescopic rods are fixedly connected to the top surface of the base plate, the extending ends of the two electric telescopic rods are fixedly connected with a same disc, four through holes are arranged on the disc, the four through holes are respectively arranged right above the four placing grooves, a U-shaped plate is fixedly connected to the middle part of the bottom surface of the disc, a motor is fixedly connected to the inner top surface of the U-shaped plate, and a rotating rod is fixedly connected to the output end of the motor, the top surface of the rotating rod penetrates through the top surface of the disc and is in fit rotary connection with the top surface of the disc, the top surface and the bottom surface of the disc are in fit connection with check rings, the check rings are sleeved on the rotating rod and are fixedly connected with the rotating rod, the top surface of the rotating rod is fixedly connected with a round rod, four T-shaped grooves are equidistantly arranged on the round rod, a T-shaped block is arranged in each T-shaped groove and is in fit sliding connection with the T-shaped block, one end of each T-shaped block extends out of the T-shaped groove and is fixedly connected with a bending rod, one end of each bending rod is respectively sleeved on different fixed rods and is in fit sliding connection with the fixed rods, four springs are fixedly connected between the bottom surface of the bending rod and the top surface of the T-shaped groove, the four springs are respectively sleeved on different fixed rods, a third threaded rod is arranged in each T-shaped groove, two ends of the third threaded rod respectively penetrate through the top surface and the bottom surface of the round rod and are in fit rotary connection with the round rod, and two ends of each third threaded rod are sleeved with a ferrule and are fixedly connected with the third threaded rod, the ring is connected with the top surface or the bottom surface of the round rod in an attaching manner, the top surface of the third threaded rod is fixedly connected with a handle, the round rod on one side of each T-shaped groove is provided with scales, two sides of each through hole are provided with a cross-shaped chute, each cross-shaped chute is internally provided with a cross-shaped slider and is connected with the cross-shaped chute in an attaching manner, an n-shaped rod is arranged above one side of each through hole, two vertical rods of the n-shaped rod are respectively and fixedly connected with the cross-shaped sliders on two sides of the through hole, a roller is sleeved on and rotationally connected with a cross-shaped rod of the n-shaped rod in an attaching manner, two ends of the roller are respectively connected with a baffle ring in an attaching manner, the baffle rings are sleeved on and fixedly connected with the cross-shaped rod of the n-shaped rod, the bottom surface of the disc is fixedly connected with four fixed plates, each fixed plate is rotationally connected with a second threaded rod, and two sides of each fixed plate are respectively connected with a ring in an attaching manner, the lantern ring is sleeved on the second threaded rod and fixedly connected with the second threaded rod, one end of each second threaded rod is fixedly connected with a handle, the other end of each second threaded rod is sleeved with a movable plate and is in threaded connection with the movable plate, the top surfaces of the four movable plates are respectively fixedly connected with the bottom surfaces of the four cross-shaped sliders at the edges, the movable plate is in fit connection with the disc, the inner walls of the two sides of each placing groove are respectively provided with a T-shaped slide rail, each T-shaped slide rail is internally provided with two T-shaped slider fit sliding connections, each placing groove is internally provided with two clamping plates, the two ends of each clamping plate in each placing groove are respectively fixedly connected with the corresponding T-shaped slider, the top surfaces of the clamping plates are fixedly connected with two vertical plates, a plurality of steel bar bodies are arranged between the two clamping plates in each placing groove, and the bottom surface of each steel bar body is in fit connection with the bottom surface in the placing groove, the steel bar body passes through the through hole right above the steel bar body, the anti-skid rubber layer is fixedly connected with one side of each of the two clamping plates in the placing groove opposite to each other, one side of the clamping plate provided with the anti-skid rubber layer is connected with the steel bar body in a fitting manner, a first threaded rod is arranged in each placing groove and penetrates through the two clamping plates in the placing grooves, the first threaded rod is connected with the clamping plates in a threaded manner, the two clamping plates in the placing groove are arranged opposite to the threaded direction of the first threaded rod, one end of the first threaded rod is jointed and connected with the inner side wall of the placing groove, the other end of the first threaded rod penetrates through the side wall of the bottom plate and is jointed and rotationally connected with the side wall of the bottom plate, one end of the first threaded rod outside the bottom plate is fixedly connected with a handle, each first threaded rod is sleeved with a rotating ring and fixedly connected with the rotating ring, and one side of the rotating ring is embedded into the side wall of the bottom plate and is in fit rotary connection with the rotating ring.

Preferably, the spring is a compression spring.

Preferably, the electric telescopic rod and the motor are both electrically connected with an external power supply.

Preferably, the distance between the two opposite vertical plates on the different clamping plates in the placing groove is less than the distance between the two clamping plates, namely 3 cm-5 cm.

Compared with the prior art, the utility model has the beneficial effects that: when the device is used for bending the reinforcing steel bars, the diameter of the reinforcing steel bar body placed in each placing groove can be freely determined according to the working requirement, the n-shaped rod and the roller can move towards the direction of the reinforcing steel bar body through the matching use of the second threaded rod, the movable plate, the cross-shaped sliding block and the cross-shaped sliding groove, so that the reinforcing steel bar bodies with different thicknesses can be conveniently bent, the electric telescopic rod can operate, the height of the roller can be effectively adjusted according to the length of the reinforcing steel bar body, the height of the bending rod can be effectively adjusted through the arrangement of the third threaded rod, the T-shaped block and the T-shaped groove, the dimension marked on the round rod can clearly know the height between the bottom surface of the bending rod and the top surface of the roller, the bending angle of the reinforcing steel bar body can be adjusted, after the adjustment, the bending rod can rotate towards the direction of the roller through the operation of the motor, the bending rod can extrude the reinforcing steel bar body to be bent, the reinforcing bar body after bending also makes things convenient for and takes out from the disc top, can bend many steel pipes simultaneously in batches moreover, and then practices thrift a large amount of operating time, and further effectual also improves work efficiency.

Drawings

FIG. 1 is a schematic representation of the structure of the present invention;

FIG. 2 is an enlarged view of a portion of the structure of the present invention;

FIG. 3 is a top view of the structure of the present invention;

in the figure: the device comprises a bottom plate 1, a T-shaped sliding groove 2, a T-shaped ring 3, an electric telescopic rod 4, a fixing rod 5, a spring 6, a disc 7, an n-shaped rod 8, a baffle ring 9, a roller 10, a bending rod 11, a baffle 12, a round rod 13, a T-shaped sliding block 14, a first threaded rod 15, a clamping plate 16, a vertical plate 17, a U-shaped plate 18, a motor 19, a baffle ring 20, a moving plate 21, a fixing plate 22, a second threaded rod 23, a cross-shaped sliding block 24, a cross-shaped sliding groove 25, a steel bar body 26, a lantern ring 27, a handle 28, a through hole 29, a placing groove 30, a rotating rod 31, a third threaded rod 32, a T-shaped groove 33, a T-shaped block 34, a lantern ring 35 and a rotating ring 36.

Detailed Description

The utility model is described in further detail below with reference to the following detailed description and accompanying drawings:

as shown in fig. 1, 2 and 3, a high-efficiency building steel bar bending device comprises a base plate 1, wherein an annular T-shaped chute 2 is arranged on the top surface of the base plate 1, a T-shaped ring 3 is arranged in the T-shaped chute 2 and is in rotary connection with the T-shaped ring, four fixing rods 5 are fixedly connected to the top surface of the T-shaped ring 3, the four fixing rods 5 are arranged symmetrically in pairs, a stop block 12 is fixedly connected to the top surface of each fixing rod 5, four placing grooves 30 are arranged on the top surface of the base plate 1 in the T-shaped ring 3, the four placing grooves 30 are arranged in an annular shape by taking the circle center of the base plate 1 as the center, two electric telescopic rods 4 are fixedly connected to the top surface of the base plate 1, the extending ends of the two electric telescopic rods 4 are fixedly connected to the same disc 7, four through holes 29 are arranged on the disc 7, the four through holes 29 are respectively positioned right above the four placing grooves 30, and a U-shaped plate 18 is fixedly connected to the middle part of the bottom surface of the disc 7, the inner top surface of the U-shaped plate 18 is fixedly connected with a motor 19, the output end of the motor 19 is fixedly connected with a rotating rod 31, the top surface of the rotating rod 31 penetrates through the top surface of the disc 7 and is in fit rotary connection with the disc 7, the top surface and the bottom surface of the disc 7 are in fit connection with check rings 20, the check rings 20 are sleeved on the rotating rod 31 and are fixedly connected with the rotating rod 31, the top surface of the rotating rod 31 is fixedly connected with a round rod 13, four T-shaped grooves 33 are equidistantly arranged on the round rod 13, a T-shaped block 34 is arranged in each T-shaped groove 33 and is in fit sliding connection with the T-shaped groove, one end of each T-shaped block 34 extends out of the T-shaped groove 33 and is fixedly connected with a bending rod 11, one end of each bending rod 11 is respectively sleeved on different fixing rods 5 and is in fit sliding connection with the different fixing rods, four springs 6 are fixedly connected between the bottom surface of each bending rod 11 and the top surface of the T-shaped ring 3, and the four springs 6 are respectively sleeved on different fixing rods 5, a third threaded rod 32 is arranged in each T-shaped groove 33, two ends of each third threaded rod 32 respectively penetrate through the top surface and the bottom surface of the round rod 13 and are in fit rotary connection with the round rod, two ends of each third threaded rod 32 are sleeved with ferrules 35 and are fixedly connected with the ferrules, the ferrules 35 are in fit connection with the top surface or the bottom surface of the round rod 13, the top surface of each third threaded rod 32 is fixedly connected with a handle, the round rod 13 on one side of each T-shaped groove 33 is provided with scales, two sides of each through hole 29 are provided with a cross-shaped sliding groove 25, each cross-shaped sliding groove 25 is internally provided with a cross-shaped sliding block 24 and is in fit sliding connection with the cross-shaped sliding block 24, an n-shaped rod 8 is arranged above one side of each through hole 29, two vertical rods of the n-shaped rod 8 are respectively and fixedly connected with the cross-shaped sliding blocks 24 on two sides of the through holes 29, a roller 10 is sleeved on a cross rod 8 and is in fit rotary connection with the roller, the two ends of the roller 10 are respectively connected with a baffle ring 9 in a laminating manner, the baffle rings 9 are sleeved on and fixedly connected with a cross bar of an n-shaped rod 8, the bottom surface of the disc 7 is fixedly connected with four fixed plates 22, each fixed plate 22 is rotatably connected with a second threaded rod 23, two sides of each fixed plate 22 are respectively connected with a lantern ring 27 in a laminating manner, the lantern ring 27 is sleeved on and fixedly connected with the second threaded rod 23, one end of each second threaded rod 23 is fixedly connected with a handle 28, the other end of each second threaded rod 23 is sleeved with a movable plate 21 and is in threaded connection with the movable plate 21, the top surfaces of the four movable plates 21 are respectively fixedly connected with the bottom surfaces of four cross-shaped sliders 24 at the edges, the movable plates 21 are connected with the disc 7 in a laminating manner, the inner walls at two sides of each placing groove 30 are respectively provided with a T-shaped slide rail, and two T-shaped sliders 14 are arranged in each T-shaped slide rail in a laminating manner, two clamping plates 16 are arranged in each placing groove 30, two ends of each clamping plate 16 in each placing groove 30 are fixedly connected with a corresponding T-shaped sliding block 14, two vertical plates 17 are fixedly connected to the top surface of each clamping plate 16, a plurality of steel bar bodies 26 are arranged between the two clamping plates 16 in each placing groove 30, the bottom surface of each steel bar body 26 is attached to the inner bottom surface of each placing groove 30, each steel bar body 26 passes through a through hole 29 right above the steel bar body, an anti-slip rubber layer is fixedly connected to one side, opposite to the two clamping plates 16, in each placing groove 30, one side, provided with the anti-slip rubber layer, of each clamping plate 16 is attached to the corresponding steel bar body 26, a first threaded rod 15 is arranged in each placing groove 30, each first threaded rod 15 passes through the two clamping plates 16 in each placing groove 30 and is in threaded connection with the corresponding clamping plate 16, and the thread direction of the two clamping plates 16 in each placing groove 30 is opposite to the thread direction of the first threaded rod 15, one end of the first threaded rod 15 is attached to the inner side wall of the placing groove 30, the other end of the first threaded rod 15 penetrates through the side wall of the bottom plate 1 and is attached to the side wall of the bottom plate in a rotating mode, a handle is fixedly connected to one end of the first threaded rod 15 outside the bottom plate 1, a rotating ring 36 is sleeved on each first threaded rod 15 and is fixedly connected with the first threaded rod, and one side of the rotating ring 36 is embedded into the side wall of the bottom plate 1 and is attached to the side wall of the bottom plate in a rotating mode.

The spring 6 is a compression spring.

The electric telescopic rod 4 and the motor 19 are both electrically connected with an external power supply.

The distance between the two opposite vertical plates 17 on different clamping plates 16 in the placing groove 30 is less than the distance between the two clamping plates 16, namely 3 cm-5 cm.

The working principle is as follows: when the utility model is used, the steel bar bodies 26 to be bent are placed in different placing grooves 30 through the through holes 29 arranged on the disc 7, the diameter of the steel bar body 26 placed in each placing groove 30 can be freely determined according to the working requirement, a plurality of steel bar bodies 26 placed in each placing groove 30 are sequentially attached and arranged between the vertical plates 17 at two sides, then the first threaded rod 15 is screwed to rotate, two clamping plates 16 in threaded connection on the first threaded rod 15 move relatively, the plurality of steel bar bodies 26 in the placing grooves 30 are clamped and fixed, and the anti-slip rubber layers are fixedly connected at the opposite sides of the two clamping plates 16, so that the steel bar bodies 26 can be effectively clamped and fixed, then the second threaded rod 23 is screwed to rotate through the handle 28, the moving plate 21 in threaded connection on the second threaded rod 23 is attached and moved to the bottom surface of the disc 7, and then the moving plate 21 drives the cross slide block 24 to slide in the cross slide slot 25, so that the n-shaped rod 8 and the roller 10 synchronously move towards the steel bar body 26 until the roller 10 is attached to the steel bar body 26, then the electric telescopic rod 4 operates, the height of the roller 10 can be effectively adjusted according to the length of the steel bar body 26, then the third threaded rod 32 is screwed by a handle to rotate, the T-shaped block 34 in threaded connection with the third threaded rod 32 slides in the T-shaped slot 33, and the dimension marked on the round rod 13 can clearly know the height between the bottom surface of the bending rod 11 and the top surface of the roller 10, at the moment, the height between the bending rod 11 and the roller 10 can determine the bending angle of the steel bar body 26, after all parts are adjusted, the motor 19 is started to operate, so that the output end drives the rotating rod 31 and the round rod 13 to rotate, and further the round rod 13 drives the bending rod 11 to synchronously rotate towards the roller 10, further make the pole 11 of bending drive T type ring 3 in 2 internal rotations of T type spout, and pass through the setting of spring 6 this moment, can effectual 11 one end of fifty percent discount pole play the supporting role, like this at the rotatory in-process of pole 11 of bending, produce the extrusion to reinforcing bar body 26, bend its reinforcing bar body 26 under roller 10's support, after bending, 19 reverse rotations of rethread motor, make the pole 11 of bending get back to original state, the first threaded rod 15 of rethread is rotatory, make its two splint 16 keep away from each other and loosen reinforcing bar body 26, shorten the function through electric telescopic handle 4 this moment, make disc 7 drive roller 10 and reduce, make things convenient for reinforcing bar body 26 directly to take out from disc 7 top like this.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an efficient construction steel bar bending device, includes bottom plate (1), its characterized in that: the top surface of the bottom plate (1) is provided with an annular T-shaped sliding groove (2), a T-shaped ring (3) is arranged in the T-shaped sliding groove (2) and is in rotary connection with the T-shaped ring, the top surface of the T-shaped ring (3) is fixedly connected with four fixing rods (5), the four fixing rods (5) are arranged in a pairwise symmetry manner, the top surface of each fixing rod (5) is fixedly connected with a stop block (12), the top surface of the bottom plate (1) in the T-shaped ring (3) is provided with four placing grooves (30), the four placing grooves (30) are arranged in an annular manner by taking the circle center of the bottom plate (1) as the center, the top surface of the bottom plate (1) is fixedly connected with two electric telescopic rods (4), the extending ends of the two electric telescopic rods (4) are fixedly connected with the same disc (7), the disc (7) is provided with four through holes (29), and the four through holes (29) are respectively arranged right above the four placing grooves (30), the bottom surface middle part fixedly connected with U template (18) of disc (7), the interior top surface fixedly connected with motor (19) of U template (18), the output fixedly connected with bull stick (31) of motor (19), the top surface of bull stick (31) passes disc (7) top surface and rather than laminating swivelling joint, the top surface and the bottom surface of disc (7) all laminate and are connected with retaining ring (20), retaining ring (20) cover is on bull stick (31) and rather than fixed connection, the top surface fixedly connected with round bar (13) of bull stick (31), equidistantly on round bar (13) be equipped with four T type grooves (33), all be equipped with one T type piece (34) in every T type groove (33) and rather than laminating sliding connection, the outer fixedly connected with bending rod (11) of T type groove (33) is stretched out to the one end of T type piece (34), the one end of four bending rods (11) overlaps respectively on different dead lever (5) and rather than laminating sliding connection, four springs (6) are fixedly connected between the bottom surface of the bending rod (11) and the top surface of the T-shaped ring (3), the four springs (6) are respectively sleeved on different fixing rods (5), a third threaded rod (32) is arranged in each T-shaped groove (33), two ends of each third threaded rod (32) respectively penetrate through the top surface and the bottom surface of the round rod (13) and are in fit rotary connection with the round rod, two ends of each third threaded rod (32) are respectively sleeved with a ferrule (35) and are fixedly connected with the ferrule, the ferrules (35) are in fit connection with the top surface or the bottom surface of the round rod (13), the top surface of each third threaded rod (32) is fixedly connected with a handle, scales are arranged on the round rod (13) on one side of each T-shaped groove (33), two sides of each through hole (29) are respectively provided with a cross-shaped sliding groove (25), a cross-shaped sliding block (24) is arranged in each cross-shaped sliding groove (25) and is in fit sliding connection with the cross-shaped sliding groove (25), the top of each through hole (29) one side is provided with an n-type rod (8), two vertical rods of the n-type rod (8) are respectively fixedly connected with cross-shaped sliding blocks (24) on two sides of the through hole (29), a roller (10) is sleeved on a cross rod of the n-type rod (8) and is in laminating rotary connection with the cross-shaped sliding blocks, two ends of the roller (10) are respectively in laminating connection with a baffle ring (9), the baffle ring (9) is sleeved on the cross rod of the n-type rod (8) and is fixedly connected with the cross rod, the bottom surface of the disc (7) is fixedly connected with four fixed plates (22), each fixed plate (22) is provided with a second threaded rod (23) in uniform rotary connection, two sides of each fixed plate (22) are respectively in laminating connection with a lantern ring (27), the lantern ring (27) is sleeved on the second threaded rod (23) and is fixedly connected with the second threaded rod (23), one end of each second threaded rod (23) is fixedly connected with a handle (28), the other end of each second threaded rod (23) is sleeved with a moving plate (21) and is in threaded connection with the moving plate, the top surfaces of the four moving plates (21) are fixedly connected with the bottom surfaces of four cross-shaped sliders (24) at the edges respectively, the moving plate (21) is connected with a disc (7) in a fitting manner, the inner walls of the two sides of each placing groove (30) are provided with T-shaped slide rails, two T-shaped sliders (14) are arranged in each T-shaped slide rail in a fitting and sliding connection manner, two clamping plates (16) are arranged in each placing groove (30), the two ends of the two clamping plates (16) in each placing groove (30) are fixedly connected with one corresponding T-shaped slider (14) respectively, the top surfaces of the clamping plates (16) are fixedly connected with two vertical plates (17), a plurality of steel bar bodies (26) are arranged between the two clamping plates (16) in each placing groove (30), and the bottom surface of each steel bar body (26) is connected with the bottom surface in the placing groove (30) in a fitting manner, the steel bar body (26) penetrates through a through hole (29) right above the steel bar body, one side, provided with the anti-slip rubber layer, of each clamping plate (16) in each placing groove (30) is fixedly connected with an anti-slip rubber layer, one side, provided with the anti-slip rubber layer, of each clamping plate (16) is connected with the steel bar body (26) in a fitting manner, each first threaded rod (15) is arranged in each placing groove (30), each first threaded rod (15) penetrates through the two clamping plates (16) in each placing groove (30), each first threaded rod (15) is in threaded connection with the corresponding clamping plate (16), the two clamping plates (16) in each placing groove (30) are arranged in a threaded direction, the thread direction of each first threaded rod (15) is opposite to the thread direction of each first threaded rod (15), one end of each first threaded rod (15) is connected with the inner side wall of each placing groove (30) in a fitting manner, the other end of each first threaded rod (15) penetrates through the side wall of the bottom plate (1) and is in a fitting and rotating connection therewith, one end of the first threaded rod (15) outside the bottom plate (1) is fixedly connected with a handle, each first threaded rod (15) is sleeved with a rotating ring (36) and fixedly connected with the rotating ring, and one side of the rotating ring (36) is embedded into the side wall of the bottom plate (1) and is in fit rotary connection with the side wall.

2. A highly efficient construction steel bar bending device according to claim 1, wherein: the spring (6) is a pressure spring.

3. A highly efficient construction steel bar bending device according to claim 1, wherein: the electric telescopic rod (4) and the motor (19) are both electrically connected with an external power supply.

4. A highly efficient construction steel bar bending device according to claim 1, wherein: the distance between the two opposite vertical plates (17) on different clamping plates (16) in the placing groove (30) is less than the distance between the two clamping plates (16) from 3 cm to 5 cm.