阅读说明：本技术 一种弯管模芯校直装置以及弯管系统、工艺 (Elbow mold core straightening device, elbow system and elbow process ) 是由 唐洪 程红 彭亮 黎乐 李睿 于 2021-07-07 设计创作，主要内容包括：本发明公布了一种弯管模芯校直装置以及弯管系统、工艺,属于管道加工领域,包括支撑座,所述支撑座上设置可上下升降调节的第一滑移座所述第一滑移座上固定设置支撑抽取模芯钢绳的第一支撑件,所述支撑座上还设置拉扯钢绳的卷绕机构以及设置于所述卷绕机构下侧的第二支撑件,通过将绞盘上的钢绳和模芯连接,使在抽模芯的时候更加方便快捷,可以使抽出的模芯向上吊起成竖直状态,校直件将模芯夹持后进行保持,使模型能够被校直,在校直的过程中,通过将流动槽内送入润滑剂,使模芯的表面被润滑剂涂覆,从而可以方便下一次插模芯使用,在烘箱体内设置第一保护套和第二保护套,对管道的两端进行降温保护,减少在加工时产生的形变。(The invention discloses a bend pipe mold core straightening device, a bend pipe system and a bend pipe process, which belong to the field of pipeline processing, and comprise a support seat, wherein a first sliding seat capable of being adjusted up and down is arranged on the support seat, a first supporting piece for supporting a steel rope of a drawing mold core is fixedly arranged on the first sliding seat, a winding mechanism for pulling the steel rope and a second supporting piece arranged on the lower side of the winding mechanism are also arranged on the support seat, the steel rope on a winch is connected with the mold core, so that the mold core can be more conveniently and quickly drawn out, the drawn mold core can be lifted upwards to be in a vertical state, a straightening piece clamps the mold core and then keeps the mold core, a model can be straightened, in the straightening process, a lubricant is fed into a flow groove, the surface of the mold core is coated by the lubricant, and therefore, the next mold core can be conveniently inserted for use, and a first protective sleeve and a second protective sleeve are arranged in a drying box body, the two ends of the pipeline are cooled and protected, and the deformation generated during processing is reduced.)

1. The utility model provides an elbow mold core coalignment, includes supporting seat (10), its characterized in that: the supporting seat (10) is provided with a first sliding seat (11) capable of being adjusted in an up-down lifting manner, the first sliding seat (11) is fixedly provided with a first supporting piece (12) for supporting a steel rope of an extraction mold core, the supporting seat (10) is also provided with a winding mechanism for pulling the steel rope and a second supporting piece (13) arranged on the lower side of the winding mechanism,

the die core straightening device is characterized in that a plurality of straightening pieces (14) are movably arranged on the supporting seat (10), after the die core is arranged into a vertical state by the first supporting piece (12), the die core is clamped by the straightening pieces (14), a plurality of flow grooves (15) are formed in the straightening pieces (14), and a lubricant for lubricating the die core flows in the flow grooves (15).

2. The straightening device for the mold core of the elbow pipe according to claim 1, wherein: the two opposite side surfaces of the supporting seat (10) are fixedly provided with connecting seats (29), the connecting seats (29) are provided with driving sources for driving the straightening pieces (14) to move, the straightening pieces (14) are rod pieces, concave straightening portions (16) are arranged on the surfaces of the straightening pieces, the flow grooves (15) are arranged on the surfaces of the straightening portions (16), and the supporting seat (10) is provided with a receiving box (30) on the surface.

3. The straightening device for the mold core of the elbow pipe according to claim 1, wherein: the supporting side plates (17) are fixedly arranged on two side faces of the supporting seat (10), a plurality of adjusting holes (18) are formed in the supporting side plates (17), and the second supporting pieces (13) are installed on the adjusting holes (18).

4. The straightening device for the mold core of the elbow pipe according to claim 1, wherein: the winding mechanism comprises a winch (32) rotatably arranged on the supporting seat (10), a driving source is connected to the winch (32), and a steel rope wound on the winch (32) bypasses the second supporting piece (13) and a pulley arranged at the top of the first supporting piece (12) to be connected with the end of the mold core.

5. The straightening device for the mold core of the elbow pipe according to claim 1, wherein: the supporting seat (10) is provided with a sliding rail (31), and the first sliding seat (11) is arranged on the sliding rail (31) in a sliding mode.

6. A pipe bending system is characterized in that: the straightening device comprises a tube baking device, a tube bending device and the straightening device according to any one of claims 1 to 5, wherein the tube baking device comprises a baking box body (19), a second sliding seat (20) is movably arranged in the baking box body (19), a plurality of protection components for protecting a pipeline to be processed are arranged on the second sliding seat (20), a pull rod (21) is movably arranged in an inner cavity of the baking box body (19), the pull rod (21) penetrates through the protection components and the pipeline to be processed and is connected with a mold core, and the mold core is pulled into the pipeline when the pull rod (21) moves;

the swan neck system is including bending piece (22), the one end of bending piece (22) sets up first clamping part (23) of centre gripping pipeline tip, set up in bending piece (22) and center on the cavity of first clamping part (23), let in the cooling water in the cavity, swan neck system still including set up in one side of bending piece (22) centre gripping pipeline can with bend piece (22) contact, and will the holder (24) of the pipeline centre gripping on bending piece (22).

7. The pipe bending system according to claim 4, wherein: the protection subassembly includes first protective sheath (25) and second protective sheath (26) that can detain each other together, first protective sheath (25) with second protective sheath (26) lock is at the tip of pipeline, and inside hollow connection has and carries out refrigerated cooling water to the pipeline, connect the control mechanism that controls its opening and shutting on first protective sheath (25).

8. The pipe bending system according to claim 4, wherein: and two side surfaces of the clamping piece (24) are provided with cooling water bags (27) for cooling the pipeline.

9. The pipe bending system according to claim 4, wherein: the bending piece (22) is provided with a plurality of discharging pieces (28), the discharging pieces (28) penetrate through the surface of the pipeline clamped on the excircle of the first sliding seat (11), and the pipeline is pushed to be separated from the bending piece (22) when the pipeline is disassembled.

10. The pipe bending process of the pipe bending system according to any one of claims 6 to 9, comprising the steps of:

A. blanking: cutting the pipeline to be processed into required length by a blanking machine, and reserving two ends of allowance for 30-50mm respectively;

B. sheathing a protective sleeve: sleeving a protection component at one end of the pipeline, and sliding the protection component into the oven;

C. baking the tube: preheating the pipeline;

D. inserting a mold core: the mould core is hung on a pull rod (21), and the pull rod (21) pulls the mould into the pipeline;

E. sheathing a protective sleeve: sleeving a protection component at the other end of the pipeline;

F. baking the tube: the temperature of the drying tube is 160-;

G. transferring materials: transferring the dried pipeline to a bending piece (22);

H. bending the tube: the pipeline rotates along with the bending piece (22) and is attached to the surface of the bending piece (22) to form a bent pipe, and the tail of the bent pipe is fixed;

I. and (3) heat preservation: the first clamping part (23) moves towards one side of the bending piece (22) to be contacted with the bending piece (22) and is contacted with the outer wall of the pipeline, so that the bent pipeline is subjected to heat insulation and shaping;

J. drawing the mold core: when the temperature of the cooling pipeline reaches 40-50 ℃, the mold core is drawn out from the tail end of the bent pipe;

K. taking a bent pipe;

l, straightening the mold core; and (4) conveying the mold core to straightening equipment for straightening, and adding a lubricant.

Technical Field

The invention belongs to the field of pipeline processing, and particularly relates to a bend pipe mold core straightening device, a bend pipe system and a bend pipe process.

Background

When the PVDF material pipeline is bent, the shape of the bent pipe cannot be kept continuously after the bent pipe due to the material of the pipeline, the pipeline is required to be heated and dried to soften the pipeline, then the bent pipe can be bent on a pipe bending device, and because the mold cores are inserted into the pipeline in the pipe drying and bending processes, the model is made of flexible materials, can resist high temperature and can be bent, but the model is difficult to recover after being bent due to long-time bending and heating treatment, so that the plastic deformation of the mold cores is caused, the pipeline is easy to deform after the mold cores are inserted into the pipeline, and the bending quality of the pipeline is further reduced,

in addition, the inner diameter of the pipe to be processed is generally smaller than that of the mold core, and the pipe is difficult to be processed when the mold core is deformed and then is subjected to differential mold core.

Disclosure of Invention

The invention aims to solve the problems, and provides a straightening device for a bend pipe mold core, a bend pipe system and a bend pipe process.

In order to realize the purpose, the invention adopts the technical scheme that: a straightening device for a mould core of a bent pipe comprises a supporting seat, wherein a first sliding seat capable of being adjusted up and down is arranged on the supporting seat, a first supporting piece for supporting a steel rope of an extraction mould core is fixedly arranged on the first sliding seat, a winding mechanism for pulling the steel rope and a second supporting piece arranged on the lower side of the winding mechanism are also arranged on the supporting seat,

the die core straightening device is characterized in that a plurality of straightening pieces are movably arranged on the supporting seat, after the die core is arranged into a vertical state by the first supporting piece, the die core is clamped by the straightening pieces, a plurality of flow grooves are formed in the straightening pieces, and a lubricant for lubricating the die core flows in the flow grooves.

Furthermore, two opposite side surfaces of the supporting seat are fixedly provided with connecting seats, the connecting seats are provided with driving sources for driving the straightening pieces to move, the straightening pieces are rod pieces, inwards concave straightening portions are arranged on the surfaces of the straightening pieces, the flow grooves are arranged on the surfaces of the straightening portions, and the supporting seat is provided with a receiving box on the surface.

Furthermore, a supporting side plate is fixedly arranged on two side faces of the supporting seat, a plurality of adjusting holes are formed in the supporting side plate, and the second supporting piece is installed on the adjusting holes.

Furthermore, the winding mechanism comprises a winch rotatably arranged on the supporting seat, the winch is connected with a driving source, and a steel rope wound on the winch bypasses the second supporting piece and a pulley arranged at the top of the first supporting piece to be connected with the end part of the mold core.

Furthermore, a sliding rail is arranged on the supporting seat, and the first sliding seat is arranged on the sliding rail in a sliding manner.

A pipe bending system comprises a pipe drying device, a pipe bending device and a straightening device, wherein the pipe drying device comprises a drying box body, a second sliding seat is movably arranged in the drying box body, a plurality of protection components for protecting a pipeline to be processed are arranged on the second sliding seat, a pull rod is movably arranged in an inner cavity of the drying box body, penetrates through the protection components and the pipeline to be processed and is connected with a mold core, and the mold core is pulled into the pipeline when the pull rod moves;

the pipe bending device comprises a bending piece, one end of the bending piece is provided with a first clamping part for clamping the end part of the pipeline, the bending piece is internally provided with a cavity surrounding the first clamping part, cooling water is introduced into the cavity, the pipe bending device further comprises a clamping piece which is arranged on one side of the bending piece and can be contacted with the bending piece, and the clamping piece is used for clamping the pipeline on the bending piece.

The protection component comprises a first protection sleeve and a second protection sleeve which can be buckled with each other, the first protection sleeve and the second protection sleeve are buckled at the end part of the pipeline, the interior of the first protection sleeve is connected with cooling water for cooling the pipeline in a hollow mode, and the first protection sleeve is connected with a control mechanism for controlling the first protection sleeve to open and close.

Furthermore, the two side faces of the clamping piece are provided with cooling water bags for cooling the pipeline.

Furthermore, a plurality of discharging pieces are arranged on the bending piece, the discharging pieces penetrate through the surface of the pipeline clamped on the excircle of the first sliding seat, and the pipeline is pushed to be separated from the bending piece when the pipeline is detached.

A pipe bending process of a pipe bending system comprises the following steps:

A. blanking: cutting the pipeline to be processed into required length by a blanking machine, and reserving two ends of allowance for 30-50mm respectively;

B. sheathing a protective sleeve: sleeving a protection component at one end of the pipeline, and sliding the protection component into the oven;

C. baking the tube: preheating the pipeline;

D. inserting a mold core: hanging the mold core on a pull rod, and pulling the mold into the pipeline by the pull rod;

E. sheathing a protective sleeve: sleeving a protection component at the other end of the pipeline;

F. baking the tube: the temperature of the drying tube is 160-;

G. transferring materials: transferring the dried pipeline onto a bending piece;

H. bending the tube: the pipeline rotates along with the bending piece and is attached to the surface of the bending piece, a bent pipe is processed, and the tail part of the bent pipe is fixed;

I. and (3) heat preservation: the first clamping part moves towards one side of the bending part to be contacted with the bending part and is contacted with the outer wall of the pipeline, so that the bent pipeline is subjected to heat insulation and shaping;

J. drawing the mold core: when the temperature of the cooling pipeline reaches 40-50 ℃, the mold core is drawn out from the tail end of the bent pipe;

K. taking a bent pipe;

l, straightening the mold core; and (4) conveying the mold core to straightening equipment for straightening, and adding a lubricant.

The invention has the beneficial effects that: the invention provides a bend pipe mold core straightening device, a bend pipe system and a bend pipe process, wherein 1, a steel rope on a winch is connected with a mold core, so that the mold core is more convenient and quicker to pull out, the pulled out mold core can be lifted upwards to be in a vertical state through a first sliding seat and a first supporting piece, the straightening piece clamps the mold core and then holds the mold core, so that a model can be straightened, and in the straightening process, a lubricant is fed into a flow groove, so that the surface of the mold core is coated by the lubricant, and the next mold core inserting use is facilitated.

2. When carrying out the return bend to the pipeline, through in inserting the pipeline with the mold core, the pipeline of treating handles supports the processing, makes the pipeline when drying by the fire the pipe, can not take place deformation because of softening after the heating, sets up first protective sheath and second protective sheath in the oven body, cools down the protection to the both ends of pipeline, makes the pipeline temperature at both ends be less than below 80 ℃ to can conveniently be at the in-process of return bend, to the both ends centre gripping of pipeline, reduce the deformation of producing man-hour.

3. In the time of the pipe bending, through inserting the pipeline into first clamping part, make the pipeline in the pipe bending, the tip can not produce and press from both sides the trace, after the return bend was accomplished, holder and return bend contact made the pipeline all inside and outside by the centre gripping to make intact pipeline design, and through the cooling water of cooling water pocket and the cavity in the piece of buckling, carry out cooling treatment to the pipeline of buckling, in order to conveniently take out the mold core.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure in the direction A in FIG. 1;

FIG. 3 is a schematic view of a portion of the enlarged structure at B in FIG. 2;

FIG. 4 is a schematic view of the assembly of the elbow system;

FIG. 5 is a schematic cross-sectional view of the elbow device;

FIG. 6 is a schematic cross-sectional view of a tube drying apparatus;

fig. 7 is a partially enlarged structural view at C in fig. 6.

The text labels in the figures are represented as: 10. a supporting seat; 11. a first sliding seat; 12. a first support member; 13. a second support member; 14. a straightening member; 15. a flow channel; 16. a straightening part; 17. supporting the side plates; 18. an adjustment hole; 19. a baking oven body; 20. a second sliding seat; 21. a pull rod; 22. a bending member; 23. a first clamping portion; 24. a clamping member; 25. a first protective sheath; 26. a second protective cover; 27. a cooling water bag; 28. unloading the material; 29. a connecting seat; 30. a receiving box; 31. a slide rail; 32. a winch.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

As shown in the attached figures 1-3 of the specification, the specific structure of the invention is as follows: a straightening device for a bent pipe mold core comprises a supporting seat 10, wherein the supporting seat 10 comprises a horizontal part and a vertical part, reinforcing ribs are connected between the horizontal part and the vertical part, a first sliding seat 11 capable of being adjusted in an up-down mode is arranged on the vertical part of the supporting seat 10, a sliding rail 31 is arranged on the supporting seat 10, the first sliding seat 11 is arranged on the sliding rail 31 in a sliding mode, a first supporting piece 12 for supporting and extracting a mold core steel rope is fixedly arranged on the first sliding seat 11, a pulley is arranged at the top of the first supporting piece 12 in a rotating mode, a winding mechanism for pulling the steel rope and a second supporting piece 13 arranged on the lower side of the winding mechanism are further arranged on the supporting seat 10, specifically, the second supporting piece 13 is a pulley, the winding mechanism comprises a winch 32 rotatably arranged on the supporting seat 10, the winch 32 is connected with a driving source, and the driving source is an electric motor fixedly arranged on the side face of the supporting seat 10, the steel cable wound on the winch 32 bypasses the second support piece 13 and the pulley arranged at the top of the first support piece 12 to be connected with the end part of the mold core, the movement direction of the steel cable is changed by the second support piece 13 and the pulley arranged at the top of the first support piece 12, and the drawn mold core moves upwards and is hung when the first support piece 12 moves upwards;

the support seat 10 is movably provided with a plurality of straightening pieces 14, specifically two straightening pieces 14, each straightening piece 14 is a rod, the surface of each straightening piece is provided with an inward-concave straightening part 16, each straightening part 16 is a semicircular groove arranged on each straightening piece 14, after the two straightening pieces 14 are combined with each other, the two straightening parts 16 clamp the mold core and keep for a period of time, so that the clamped mold core is straightened, the straightening pieces 14 are provided with a plurality of flow grooves 15, the flow grooves 15 are arranged on the surfaces of the straightening parts 16, after the mold core is arranged in a vertical state by the first support piece 12, the straightening pieces 14 clamp the mold core, lubricant for lubricating the mold core flows in the flow grooves 15, a plurality of interfaces for supplementing lubricant are arranged on the surfaces of the straightening pieces 14, the lubricant is supplemented into the flow grooves 15 through the interfaces, and after the lubricant flows into the flow grooves 15, so that the lubricant is distributed on the surface of the mold core.

Preferably, two opposite side surfaces of the supporting seat 10 are fixedly provided with a connecting seat 29, the connecting seat 29 is provided with a driving source for driving the straightening part 14 to move, the driving source is a driving cylinder fixedly arranged on the connecting seat 29, the cylinder drives the straightening part 14 to move towards the middle so as to clamp the mold core for straightening, a receiving box 30 is arranged on the surface of the supporting seat 10, and the receiving box 30 receives the lubricant flowing down from the straightening part 14.

Preferably, a supporting side plate 17 is fixedly arranged on two side surfaces of the supporting seat 10, a plurality of adjusting holes 18 are arranged on the supporting side plate 17, the second supporting member 13 is mounted on the adjusting holes 18, and the position of the second supporting member 13 can be adjusted by adjusting the position of the adjusting holes 18.

When in use, the end part of the mould core is connected with the steel rope on the winch 32, then the motor connected on the winch 32 is started, the motor drives the winch 32 to rotate, so that the mould core is drawn out of the pipeline, then the first supporting part 12 is adjusted to move upwards, the mould core is hung up, the mould is placed between the two straightening parts 14, the driving air cylinder connected on the straightening part 14 is controlled to start, the air cylinder drives the straightening part 14 to approach to the middle, the mould core is clamped in the straightening part 16 to be kept, and the straightening is finished,

and then, applying a lubricant to the surface of the mold core through the interface on the straightening piece 14, enabling the lubricant to enter the flow groove 15, coating the surface of the mold core, finally dripping the lubricant onto the receiving box 30 for collection, controlling the straightening piece 14 to move towards two sides after straightening is completed, and taking out the mold core.

As shown in fig. 4-7 of the specification, a pipe bending system, which in this embodiment includes a pipe baking device, a pipe bending device and a straightening device,

wherein the drying tube device comprises a drying oven body 19, a second sliding seat 20 is movably arranged in the drying oven body 19, the second sliding seat 20 is arranged on a mounting rack arranged in the inner cavity of the drying oven body 19, the second sliding seat 20 and the mounting rack are arranged in a sliding manner and can slide in and out on the mounting rack, a sliding rail is fixedly arranged on the second sliding seat 20, two mounting racks are arranged on the sliding rail on the second sliding seat 20, one of the mounting racks is arranged at the same position as the second sliding seat 20, the other mounting rack is arranged at one side far away from the second sliding seat 20 and can slide in a sliding manner with the sliding rail, so that the drying tube device can adapt to the change of pipelines with different lengths to realize the adjustment of the position, and can be fixed with the sliding rail after the position is adjusted, and a protection component for protecting the end part of the pipeline to be treated is arranged on the two mounting racks arranged on the second sliding seat 20,

the protection assembly comprises a first protection sleeve 25 and a second protection sleeve 26 which can be buckled together, the first protection sleeve 25 and the second protection sleeve 26 are in a C-shaped structure, after being spliced together, a space for installing a pipeline is formed inside the first protection sleeve 25 and the second protection sleeve 26, when the protection assembly is used, the first protection sleeve 25 and the second protection sleeve 26 are buckled at the end part of the pipeline, cooling water for cooling the pipeline is connected in a hollow mode inside the first protection sleeve 25 and the second protection sleeve 26, the cooling water is introduced through connectors arranged on the first protection sleeve 25 and the second protection sleeve 26, a water tank for supplying water into the first protection sleeve 25 and the second protection sleeve 26 is arranged on the outer side surface of the baking oven body 19, a control mechanism for controlling the opening and closing of the first protection sleeve 25 is connected onto the first protection sleeve 25, the control mechanism is mainly convenient to automatically open and close the clamping, and can simultaneously control the opening and closing of the first protection sleeves 25 on the two installation frames, or only the first protection sleeve 25 on the mounting rack on the side far away from the second sliding seat 20 can be opened alone, the first protection sleeve 25 at the position is close to the outlet of the drying oven body 19 and is out, in this embodiment, the control mechanism is mainly driven by a selection cylinder, a pull rod 21 is movably arranged in the inner cavity of the drying oven body 19, threads are arranged on the pull rod 21 and penetrates through the drying oven body 19, a driving motor for driving the pull rod 21 to move is fixedly arranged on the outer side surface of the drying oven body 19, the driving motor is connected with the pull rod 21 through a thread mechanism, after the motor is started, the thread mechanism is driven to move, so that the pull rod 21 moves, the pull rod 21 penetrates through the first protection sleeve 25, the second protection sleeve 26 and the pipeline to be treated, the central axis of the pull rod 21 and the axes of the pipelines placed in the first protection sleeve 25 and the second protection sleeve 26 are coincident with each other, and a hook is arranged at the end of the pull rod 21, the hook is connected with the mold core, and when the pull rod 21 moves, the mold core is pulled into the pipeline, so that the mold core is easier to insert into the pipeline;

wherein the pipe bending device comprises a bending part 22, the bending part 22 is in a semi-cylindrical shape, specifically is a pipe bending wheel, a driving motor is connected on the bending part 22, the driving motor drives the bending part 22 to rotate so as to complete the bending action on the pipeline, a circular arc-shaped groove for clamping the pipeline is arranged on the semi-cylindrical surface of the bending part 22, one end of the bending part 22 is provided with a first clamping part 23 for clamping the end part of the pipeline, the first clamping part 23 is arranged at the linear section part on the bending part 22, the first clamping part 23 is a cylindrical through hole, a cavity surrounding the first clamping part 23 is arranged in the bending part 22, cooling water is introduced into the cavity, when the pipe is bent, one end of the pipeline to be processed firstly passes through the first clamping part 23, a fixing pin for fixing the pipeline is arranged on the first clamping part 23, and a supporting block for supporting the pipeline to be processed is arranged at the lower side of the bending part 22, the piece that holds up upward movement when preparing the return bend grasps the pipeline, makes the pipeline can obtain the support when buckling to the normal clear of return bend, the swan neck system still including set up in the one side of the 22 centre gripping pipelines of buckling, can with the 22 contact of buckling and with the holder 24 of the pipeline centre gripping on the piece 22 of buckling connects the actuating cylinder that drives its motion on the holder 24, and holder 24 is after the return bend finishes, drives actuating cylinder drive holder 24 and the surface contact of the piece 22 of buckling to the pipeline centre gripping on the piece 22 of will buckling makes the pipeline after buckling stereotype, reduces deformation.

Preferably, the two side surfaces of the clamping piece 24 are provided with cooling water bags 27 for cooling the pipeline, and when the clamping piece 24 and the bending piece 22 are in contact with each other to shape the pipeline, the cooling water bags 27 start cooling the bent pipeline, so that the pipeline is shaped more quickly.

Preferably, a plurality of discharging members 28 are arranged on the bending member 22, the discharging members 28 are specifically electric push rods used, and other power elements capable of realizing linear motion can be selected, the discharging members 28 penetrate through the surface of the outer circle of the first sliding seat 11 for clamping the pipeline, and when the pipeline is disassembled, the discharging members 28 push the pipeline and the bending member 22 to be separated from each other, so that the bent pipeline can be conveniently disassembled from the bending member 22.

A pipe bending process of a pipe bending system comprises the following steps:

A. blanking: cutting the pipeline to be processed into required length by a blanking machine, and reserving two ends of allowance for 30-50mm respectively; preferably the thickness of the film is 50mm,

B. sheathing a protective sleeve: sleeving a protection component at one end of a pipeline to be welded, which is positioned at the inner side of the oven, and sliding the protection component into the oven;

C. baking the tube: preheating the pipeline; the purpose of preheating is let the pipeline of waiting to heat soften, and the degree of softening is less, and is the trace softening, only with can be suitable when inserting the model, can not the overheat, the reason of softening is because in normal course of working, the diameter of mold core is slightly more than the internal diameter of pipeline, so need be the pipeline can have less deformation volume when poor mold core and just can make the mold core insert, just so can guarantee that the mold core is full of the internal diameter of pipeline after inserting in the pipeline completely.

D. Inserting a mold core: hanging the mold core on a pull rod 21, starting a motor connected to the pull rod 21, and driving the pull rod 21 by the motor to pull the mold into the pipeline;

E. sheathing a protective sleeve: sleeving a protection component at the other end of the pipeline;

F. baking the tube: the temperature of the drying tube is 160-; when the pipe is dried, cooling water is introduced into the first protective sleeve 25 and the second protective sleeve 26, and flows in the first protective sleeve 25 and the second protective sleeve 26, so that the temperature of the end part of the pipeline can be reduced to be lower than 80 ℃;

G. transferring materials: transferring the baked pipeline onto a bending piece 22, inserting the baked pipeline into the bending piece 22, firstly inserting the baked pipeline into a first clamping part 23, then inserting a fixing pin at the end part of the pipeline exceeding the first clamping part 23, enabling the fixing pin and the bending piece 22 to be mutually propped, enabling a supporting block on the lower side of the bending piece 22 to move upwards to be in contact with the pipeline on the bending piece 22, and clamping the pipeline;

H. bending the tube: starting a motor connected to the motor 22, enabling the motor 22 to rotate 180 degrees, enabling the pipeline to rotate along with the bending piece 22 and be attached to the surface of the bending piece 22, machining a bent pipe, enabling the supporting block to be in full-range contact with the pipeline in the bending process, clamping the pipeline in the middle, and fixing and keeping the tail of the bent pipe after the bent pipe is finished;

I. and (3) heat preservation: controlling a driving cylinder connected with the first clamping part 23 to enable the first clamping part 23 to move towards one side of the bending part 22 to be in contact with the bending part 22 and to be in contact with the outer wall of the pipeline, and introducing cooling water into the cooling water bag 27 to enable the bent pipeline to be heat-insulated and shaped;

J. drawing the mold core: when the temperature of the cooling pipeline reaches 40-50 ℃, connecting the end part of the mold core with a steel rope on a winch 32 on straightening equipment, and drawing out the mold core from the tail end of the bent pipe under the winding of the winch 32;

K. taking a bent pipe;

l, straightening mold cores: after the winch 32 extracts the mold core from the pipeline, the first support part 12 upwards supports the mold core, then the mold core is placed between the straightening parts 14, a driving air cylinder connected to the straightening parts 14 is controlled to be started, the air cylinder drives the straightening parts 14 to move towards the middle, the mold core is clamped, so that the mold core is kept aligned, the lubricant is introduced into the straightening parts 14, and the lubricant is coated on the surface of the mold core through the flow grooves 15.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.