CN214813876U

CN214813876U - Pipe bending machine for steel pipe machining

Info

Publication number: CN214813876U
Application number: CN202120584479.3U
Authority: CN
Inventors: 赵健
Original assignee: ZHEJIANG JIANLI CO Ltd
Current assignee: ZHEJIANG JIANLI CO Ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-11-23
Anticipated expiration: 2031-03-22

Abstract

The utility model relates to a bending machine technical field just discloses a bending machine for steel pipe processing, including the frame of bending, the spout has been seted up to the upside of the frame of bending, and the inside sliding connection of spout has the slide, the upside fixedly connected with motor of slide, the left side fixedly connected with safety lever of motor, the upside fixedly connected with slider of safety lever. This bending machine for steel pipe processing, through changing the slide position back, and then the slide drives the lower round of bending and carries out after the position control, and then place the steel pipe at the upside of two lower rounds of bending, and then drive the hydraulic telescoping rod through external power source and carry out work, such mode has ensured that the power that the steel pipe was bent can be shared through the distance of adjusting the lower round of bending to the steel pipe of different thickness when bending, and then the life of bending machine has been ensured, the damage that the steel pipe that reduces different thickness when the bending machine used brought the bending machine, and then the controllability when having increased the bending machine and using.

Description

Pipe bending machine for steel pipe machining

Technical Field

The utility model relates to a bending machine technical field specifically is a bending machine for steel pipe processing.

Background

Steel pipes are steel with a hollow cross section whose length is much greater than the diameter or circumference. The steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the shape of the cross section; the steel pipe is divided into a carbon structural steel pipe, a low-alloy structural steel pipe, an alloy steel pipe and a composite steel pipe according to the material quality; the steel pipes are divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment and the like according to the application; the production process includes seamless steel pipe and welded steel pipe, the seamless steel pipe includes hot rolling and cold rolling (drawing), and the welded steel pipe includes straight seam welded steel pipe and spiral seam welded steel pipe.

When bending a circular steel pipe, because current circular steel pipe kind is more, when bending a small-bore steel pipe, current most bending machines can both accomplish very convenient bending to the steel pipe, but because when building site uses the bending machine, the building site condition is limited, the bending machine of small-bore only disposes one basically, the small-bore steel pipe is convenient for bend, but the thickness of small-bore steel pipe is different, and then 76 type bending machine is because the distance of department of bending is fixed, and then thicker steel pipe is because self bending force grow when bending, and then can lead to the wheel difference of bending to produce great power, and then cause the damage to the bending machine, and then reduce the life scheduling problem of bending machine.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a bending machine for steel pipe processing possesses the life who has ensured the bending machine, and the steel pipe of different thickness when reducing the bending machine and to advantages such as the damage that the bending machine brought has solved and has caused the damage to the bending machine, and then reduces the problem of the life of bending machine.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a pipe bending machine for steel pipe processing comprises a bending frame, wherein a sliding groove is formed in the upper side of the bending frame, a sliding plate is connected to the inner portion of the sliding groove in a sliding mode, a motor is fixedly connected to the upper side of the sliding plate, a safety rod is fixedly connected to the left side of the motor, a sliding block is fixedly connected to the upper side of the safety rod, a clamping groove is formed in the upper side of the sliding block, a rotating shaft is connected to the inner portion of the safety rod in a rotating mode, the right end of the rotating shaft is fixedly connected to the output end of the motor, a bending lower wheel is fixedly connected to the left end of the rotating shaft, an adjusting device is arranged on the rear side of the sliding plate, an auxiliary groove is formed in the left side of the bending frame, a clamping plate is connected to the inner portion of the bending frame in a sliding mode, a spring is fixedly connected to the upper end of the clamping plate, a lifting groove is formed in the left side of the bending frame, a hydraulic telescopic rod is fixedly connected to the inner portion of the lifting groove, a bending block is fixedly connected to the lower end of the hydraulic telescopic rod, and the bending block is connected to the lifting groove in a sliding mode, the left side of the bending block is rotatably connected with a bending upper wheel.

Preferably, the sliding groove is T-shaped, the sliding plate is I-shaped, the sliding block is also T-shaped, and the clamping groove is M-shaped.

Preferably, adjusting device includes the auxiliary rod, and both ends fixed connection is in the rear side of slide about the auxiliary rod, and the surface rotation of auxiliary rod is connected with the connecting rod, the inside fixedly connected with threaded rod of spout, and the surperficial threaded connection of threaded rod has the swivel becket, and the swivel becket has been seted up on the surface of swivel becket, and the inside rotation in swivel becket is connected with the dwang.

Preferably, the quantity of dwang is two, and two dwangs are all rotated and are connected in the inside of rotating the groove, and the rear end of connecting rod is rotated and is connected on the surface of dwang.

Preferably, the surface of the safety lever is slidably connected inside the auxiliary groove, and the surface of the slider is slidably connected inside the bending frame.

Preferably, the clamping plate is triangular, the upper end of the spring is fixedly connected to the inside of the bending frame, and the surface of the spring is connected with the beneficial effects of the spring in a sliding mode in the bending frame

Compared with the prior art, the utility model provides a bending machine for steel pipe processing possesses following beneficial effect:

1. the pipe bender for processing steel pipes is characterized in that after the position of the sliding plate is changed and the sliding plate drives the bending lower wheel to adjust the position, then the steel pipe is placed at the upper sides of the two bent lower wheels, and the hydraulic telescopic rod is driven to work by an external power supply, the bending block drives the bending upper wheel to move downwards, the lower side of the bending upper wheel extrudes the upper side of the steel pipe, then the motor is turned on to work, and the rotating shaft drives the lower bending wheel to rotate, so that the bending work of the steel pipe is finished under the rotating action of the chute and the upper bending wheel, the mode ensures that the bending force of the steel pipes with different thicknesses can be shared by adjusting the distance of the lower bending wheel when the steel pipes are bent, and then ensured the life of bending machine, the damage that the steel pipe of different thickness brought the bending machine when reducing the bending machine and using, and then the controllability when having increased the bending machine and using.

2. The pipe bending machine for processing the steel pipe changes the position of the sliding plate through the rotating ring, and then the sliding plate drives the safety rod to slide in the auxiliary groove, as the steel pipe can generate larger force when being bent, and further the position of the sliding block on the surface of the safety rod is changed in the bending frame along with the safety rod, and further because the spring is arranged in the bending frame, when the sliding block slides, the sliding block extrudes the clamping plate, so that the clamping plate is clamped in the clamping groove under the elastic force action of the spring, and further the left end and the right end of the rotating shaft have the force for supporting and fixing at the same time, and further the rotating shaft is prevented from having only one unbalanced supporting force, the bending of the rotating shaft is avoided, and further the two ends of the rotating shaft are prevented from being stressed unevenly, the service life of the rotating shaft is shortened, and the mode ensures that the left end and the right end of the rotating shaft have the supporting force simultaneously when in work, and then avoided the axis of rotation to lead to the axis of rotation to take place to warp because only single strong point in the use, and then avoided the bending machine to take place to bend the steel pipe and bend the effect not good.

3. This bending machine is used in steel pipe processing, through the rotatory swivel becket in the surface of threaded rod, and then the swivel becket slides about the surface of threaded rod, and then because the dwang rotates in the inside of rotating the groove, and then when the swivel becket descends, the swivel becket drives the connecting rod rear end position and changes, and then the connecting rod drives the slide and slides forward in the inside of spout, and then the slide drives the lower round of bending and carries out the transform of position in the left side of bending frame, and then reciprocate through the swivel becket and change two distances of bending between the lower round, the effect that bending machine is not adjustable has been improved to such a mode, and then can freely adjust the mode of bending to different thickness steel pipes when having increased the bending machine and using, the flexibility of bending machine has been improved.

Drawings

Fig. 1 is a schematic structural view of a pipe bender for processing steel pipes according to the present invention;

FIG. 2 is a schematic view of the slider structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic view of the structure of the clamping plate of the present invention.

In the figure: the device comprises a bending frame 1, a sliding groove 2, a sliding plate 3, a motor 4, a safety rod 5, a sliding block 6, a clamping groove 7, a rotating shaft 8, a lower bending wheel 9, an auxiliary rod 10, a connecting rod 11, a threaded rod 12, a rotating ring 13, a rotating groove 14, a rotating rod 15, an auxiliary groove 16, a clamping plate 17, a spring 18, a lifting groove 19, a hydraulic telescopic rod 20, a bending block 21 and an upper bending wheel 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a new technical solution: a pipe bending machine for processing steel pipes comprises a bending frame 1, a chute 2 is arranged on the upper side of the bending frame 1, the chute 2 is T-shaped, a sliding plate 3 is connected inside the chute 2 in a sliding manner, the sliding plate 3 is I-shaped and slides inside the chute 2 through the sliding plate 3, furthermore, the sliding plate 3 is I-shaped, the sliding chute 2 is T-shaped, the sliding plate 3 cannot be separated from the inside of the sliding chute 2, the motor 4 is fixedly connected to the upper side of the sliding plate 3, the safety rod 5 is fixedly connected to the left side of the motor 4, the sliding block 6 is fixedly connected to the upper side of the safety rod 5, the sliding block 6 is also T-shaped, the clamping groove 7 is formed in the upper side of the sliding block 6, the clamping groove 7 is M-shaped, the safety rod 5 is rotatably connected to the inside of the sliding block, the right end of the rotating shaft 8 is fixedly connected to the output end of the motor 4, and the left end of the rotating shaft 8 is fixedly connected with the lower bending wheel 9;

an auxiliary rod 10 is fixedly connected to the rear side of the sliding plate 3, a connecting rod 11 is rotatably connected to the surface of the auxiliary rod 10, a threaded rod 12 is fixedly connected to the inside of the sliding groove 2, a rotating ring 13 is connected to the surface of the threaded rod 12 in a threaded manner, a rotating groove 14 is formed in the surface of the rotating ring 13, two rotating rods 15 are rotatably connected to the inside of the rotating groove 14, the rear end of the connecting rod 11 is rotatably connected to the surface of the rotating rod 15, the rotating ring 13 is rotated on the surface of the threaded rod 12, the rotating ring 13 slides up and down on the surface of the threaded rod 12, the rotating rod 15 rotates inside the rotating groove 14, when the rotating ring 13 descends, the rotating ring 13 drives the rear end of the connecting rod 11 to change, and the connecting rod 11 drives the sliding plate 3 to slide forward inside the sliding groove 2, the slide plate 3 drives the bending lower wheels 9 to perform position conversion on the left side of the bending frame 1, and the distance between the two bending lower wheels 9 is changed through the up-and-down movement of the rotating ring 13, so that the mode that steel pipes with different thicknesses can be freely adjusted when the pipe bending machine is used is increased, and the flexibility of the bending machine is improved;

the left side of the bending frame 1 is provided with an auxiliary groove 16, the surface of the safety rod 5 is in sliding connection with the inside of the auxiliary groove 16, the surface of the sliding block 6 is in sliding connection with the inside of the bending frame 1, a through groove is formed in the bending frame 1, so that the auxiliary groove 16 is communicated with the through groove in the bending frame 1, a clamping plate 17 is in sliding connection with the inside of the bending frame 1, the clamping plate 17 is in a triangular shape, the upper end of the clamping plate 17 is fixedly connected with a spring 18, the upper end of the spring 18 is fixedly connected with the inside of the bending frame 1, the surface of the spring 18 is in sliding connection with the inside of the bending frame 1, the sliding plate 3 is subjected to position change through a rotating ring 13, the sliding plate 3 drives the safety rod 5 to slide in the inside of the auxiliary groove 16, as a steel pipe can generate large force during bending, and the sliding block 6 on the surface of the safety rod 5 follows the safety rod 5 to change the position in the inside of the bending frame 1, furthermore, because the spring 18 is arranged in the bending frame 1, when the sliding block 6 slides, the sliding block 6 extrudes the clamping plate 17, and the clamping plate 17 is clamped in the clamping groove 7 under the elastic force action of the spring 18, so that the left end and the right end of the rotating shaft 8 have supporting and fixing forces at the same time, and further the rotating shaft 8 is prevented from having only one unbalanced supporting force, the rotating shaft 8 is prevented from being bent, and the service life of the rotating shaft 8 is further shortened due to the fact that the two ends of the rotating shaft 8 are stressed unevenly;

the left side of the bending frame 1 is provided with a lifting groove 19, a hydraulic telescopic rod 20 is fixedly connected inside the lifting groove 19, the hydraulic telescopic rod 20 is of an existing structure and not described in detail herein, the lower end of the hydraulic telescopic rod 20 is fixedly connected with a bending block 21, the surface of the bending block 21 is slidably connected inside the lifting groove 19, the left side of the bending block 21 is rotatably connected with an upper bending wheel 22, after the position of the sliding plate 3 is changed and the sliding plate 3 drives the lower bending wheels 9 to be adjusted, a steel pipe is placed on the upper sides of the two lower bending wheels 9, the hydraulic telescopic rod 20 is driven to work by an external power supply, the upper bending wheel 22 is driven by the bending block 21 to move downwards, the lower side of the upper bending wheel 22 is extruded on the upper side of the steel pipe, the motor 4 is opened to work, and the lower bending wheel 9 is driven by the rotating shaft 8 to rotate, and then the bending work of the steel pipe is finished under the rotation action of the chute 2 and the bending upper wheel 22.

The working principle is as follows: a pipe bender for processing steel pipes is characterized in that a rotating ring 13 is rotated on the surface of a threaded rod 12, then the rotating ring 13 slides up and down on the surface of the threaded rod 12, further, a rotating rod 15 rotates in a rotating groove 14, further, when the rotating ring 13 descends, the rotating ring 13 drives the rear end position of a connecting rod 11 to change, further, the connecting rod 11 drives a sliding plate 3 to slide forward in a sliding groove 2, further, the sliding plate 3 drives a bending lower wheel 9 to change the position on the left side of a bending frame 1, and further, the distance between the two bending lower wheels 9 is changed through the up-and-down movement of the rotating ring 13;

the position of the sliding plate 3 is changed through the rotating ring 13, the sliding plate 3 drives the safety rod 5 to slide in the auxiliary groove 16, a steel pipe can generate large force when being bent, the sliding block 6 on the surface of the safety rod 5 can follow the safety rod 5 to change the position in the bending frame 1, the spring 18 is arranged in the bending frame 1, the sliding block 6 extrudes the clamping plate 17 when the sliding block 6 slides, the clamping plate 17 is clamped in the clamping groove 7 under the elastic force action of the spring 18, the left end and the right end of the rotating shaft 8 can simultaneously have supporting and fixing forces, the rotating shaft 8 can be prevented from having one unbalanced supporting force, the rotating shaft 8 can be prevented from being bent, and the service life of the rotating shaft 8 can be shortened due to the fact that the two ends of the rotating shaft 8 are stressed unevenly;

after the position of the sliding plate 3 is changed, the sliding plate 3 drives the bending lower wheels 9 to adjust the position, then the steel pipe is placed on the upper sides of the two bending lower wheels 9, then the hydraulic telescopic rod 20 is driven to work through an external power supply, then the bending block 21 drives the bending upper wheels 22 to move downwards, then the lower sides of the bending upper wheels 22 extrude the upper sides of the steel pipe, then the motor 4 is opened to work, then the rotating shaft 8 drives the bending lower wheels 9 to rotate, and then the bending work of the steel pipe is completed under the rotating action of the sliding groove 2 and the bending upper wheels 22.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bending machine for steel pipe processing, includes bending frame (1), its characterized in that: the upper side of the bending frame (1) is provided with a sliding groove (2), the inside of the sliding groove (2) is connected with a sliding plate (3) in a sliding manner, the upper side of the sliding plate (3) is fixedly connected with a motor (4), the left side of the motor (4) is fixedly connected with a safety rod (5), the upper side of the safety rod (5) is fixedly connected with a sliding block (6), the upper side of the sliding block (6) is provided with a clamping groove (7), the inside of the safety rod (5) is rotatably connected with a rotating shaft (8), the right end of the rotating shaft (8) is fixedly connected with the output end of the motor (4), the left end of the rotating shaft (8) is fixedly connected with a bending lower wheel (9), the rear side of the sliding plate (3) is provided with an adjusting device, the left side of the bending frame (1) is provided with an auxiliary groove (16), the inside of the bending frame (1) is connected with a clamping plate (17) in a sliding manner, the upper end of the clamping plate (17) is fixedly connected with a spring (18), the left side of the bending frame (1) is provided with a lifting groove (19), the hydraulic telescopic rod (20) is fixedly connected to the inside of the lifting groove (19), the bending block (21) is fixedly connected to the lower end of the hydraulic telescopic rod (20), the surface of the bending block (21) is connected to the inside of the lifting groove (19) in a sliding mode, and the bending upper wheel (22) is rotatably connected to the left side of the bending block (21).

2. The pipe bender according to claim 1, wherein: the sliding groove (2) is T-shaped, the sliding plate (3) is I-shaped, the sliding block (6) is also T-shaped, and the clamping groove (7) is M-shaped.

3. The pipe bender according to claim 1, wherein: adjusting device includes auxiliary rod (10), and both ends fixed connection is in the rear side of slide (3) about auxiliary rod (10), and the surface rotation of auxiliary rod (10) is connected with connecting rod (11), inside fixedly connected with threaded rod (12) of spout (2), and the surface threaded connection of threaded rod (12) has swivel becket (13), and rotation groove (14) have been seted up on the surface of swivel becket (13), and the internal rotation of rotation groove (14) is connected with dwang (15).

4. The pipe bender for processing steel pipes according to claim 3, wherein: the quantity of dwang (15) is two, and two dwang (15) are all rotated and are connected in the inside of rotating groove (14), and the rear end of connecting rod (11) is rotated and is connected on the surface of dwang (15).

5. The pipe bender according to claim 1, wherein: the surface of the safety rod (5) is connected in a sliding way in the auxiliary groove (16), and the surface of the sliding block (6) is connected in a sliding way in the bending frame (1).

6. The pipe bender according to claim 1, wherein: the clamping plate (17) is triangular, the upper end of the spring (18) is fixedly connected inside the bending frame (1), and the surface of the spring (18) is connected inside the bending frame (1) in a sliding mode.