CN113600653B - Elbow structure for pipe bending machine - Google Patents

Elbow structure for pipe bending machine Download PDF

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Publication number
CN113600653B
CN113600653B CN202110956282.2A CN202110956282A CN113600653B CN 113600653 B CN113600653 B CN 113600653B CN 202110956282 A CN202110956282 A CN 202110956282A CN 113600653 B CN113600653 B CN 113600653B
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China
Prior art keywords
shell
block
pipe
steel pipe
clamping
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CN202110956282.2A
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Chinese (zh)
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CN113600653A (en
Inventor
肖锦江
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Hunan Zhongyuan Machinery Co ltd
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Hunan Zhongyuan Machinery Co ltd
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Priority to CN202110956282.2A priority Critical patent/CN113600653B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003Positioning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00Bending rods, profiles, or tubes
    • B21D7/02Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
    • B21D7/024Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
    • B21D7/025Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member and pulling or pushing the ends of the work
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention discloses an elbow structure for a pipe bending machine, which comprises: a housing; the clamping mechanism is arranged at the top of the shell and can clamp the steel pipe; the limiting mechanism is arranged on one side of the shell and limits the moving length of the steel pipe; the pipe bending mechanism is arranged in the shell, and bends the steel pipe, the bending length of the steel pipe can be directly limited through the limiting mechanism, manual visual inspection is not needed, the pipe bending precision is high, in addition, when the pipe bending mechanism works, the limiting mechanism directly retracts into the shell, a baffle is not needed to be taken down by a person, the operation is simple, and the use of a worker is convenient.

Description

Elbow structure for pipe bending machine
Technical Field
The invention relates to the technical field of pipe bending machines, in particular to an elbow structure for a pipe bending machine.
Background
The bent pipe is bent by adopting complete bending equipment and is divided into a cold stewing process and a hot pushing process. Whatever machine equipment and pipelines are used, most of the pipelines are bent, and the pipelines are mainly used for oil transportation, gas transportation, transfusion, engineering bridge construction and the like, wherein most of the bent pipelines are bent by a pipe bender.
The existing pipe bending machine is used for bending a metal pipe, the pipe is required to be inserted between two pipe bending wheels, the two pipe bending wheels clamp the pipe, the tail end of the pipe is clamped through an air cylinder, the top end of the pipe is abutted to a marking or a baffle limiting the length of the pipe, one pipe bending wheel bends the pipe around the other pipe bending wheel through hydraulic or mechanical transmission, and then the formed pipe meets production requirements, however, before the pipe is bent, the pipe is positioned roughly through scales, the pipe is not convenient to visually determine by workers, if the baffle is used, the baffle is required to be taken down from the end of the pipe after the pipe is abutted, the obstruction of the baffle during pipe bending is avoided, the operation is more troublesome, and the use of the workers is inconvenient.
Disclosure of Invention
The invention aims to provide an elbow structure for a pipe bending machine, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: an elbow structure for a pipe bending machine, comprising:
a housing;
the clamping mechanism is arranged at the top of the shell and can clamp the steel pipe;
the limiting mechanism is arranged on one side of the shell and limits the moving length of the steel pipe;
the pipe bending mechanism is arranged in the shell and bends the steel pipe.
Preferably, the clamping mechanism comprises a first cylinder installed on one side of the shell, a first clamping block is arranged at the extending end of the first cylinder, a second clamping block is arranged at the top of the shell, and a clamping groove capable of clamping the steel pipe is formed in the opposite surface of the first clamping block and the second clamping block.
Preferably, a limiting groove is formed in the surface of the first clamping block, and a protruding block capable of being inserted into the limiting groove is arranged at the top of the second clamping block.
Preferably, the pipe bending mechanism comprises a main wheel rotatably arranged at the top of the shell, a slave wheel is arranged on the outer side of the main wheel, a motor is arranged in the shell, a gear I is fixedly connected to the free end of an output shaft of the motor, a gear II meshed with the gear I is arranged in the shell, and the gear II is connected with the slave wheel through an opening and closing mechanism.
Preferably, the opening and closing mechanism comprises a connecting frame arranged on the outer side of the gear II, a cylinder II is arranged at the bottom of the connecting frame, a limiting block is arranged at the top of the cylinder II, a connecting block is arranged at the bottom of the wheel, a slot capable of being inserted by the limiting block is arranged in the connecting block, and the connecting block is connected with the connecting frame in a rotating mode through a rotating shaft.
Preferably, a torsion spring positioned at the outer side of the rotating shaft is arranged between the connecting block and the connecting frame, and two ends of the torsion spring are fixedly connected with the rotating shaft and the connecting block respectively.
Preferably, the limiting mechanism comprises a top plate arranged in the shell, a connecting rod is arranged at the bottom of the top plate, a connecting ring arranged on one side of the connecting rod is arranged on one side of the second cylinder, and a pushing plate capable of pushing the connecting ring to move is arranged on the outer side of the second cylinder.
The invention has at least the following beneficial effects:
the steel pipe bending device has the advantages that the extending length of the steel pipe can be directly limited through the limiting mechanism, the limiting mechanism can be separated from the steel pipe before the pipe is bent through linkage between the pipe bending mechanism and the limiting mechanism, compared with the prior art, before the pipe is bent, the pipe is positioned roughly through scales, the pipe is completely determined by visual observation of workers, the pipe bending of the pipe is inconvenient, if the baffle is used, the baffle needs to be taken down from the end part of the pipe after the pipe is abutted, the obstruction of the baffle during bending of the pipe is avoided, the operation is more troublesome, the use of workers is inconvenient, the bending length of the steel pipe can be directly limited through the limiting mechanism, manual visual observation is not needed, the pipe bending precision is higher, in addition, the limiting mechanism directly retracts into the shell during the operation of the pipe bending mechanism, the baffle is not needed to be taken down by the workers, the operation is simpler, and the use of the workers is convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a partial cross-sectional view of the present invention;
FIG. 3 is a partial block diagram of the present invention;
FIG. 4 is an enlarged view of area A of FIG. 3;
FIG. 5 is a partial cross-sectional view of the opening and closing mechanism of the present invention;
fig. 6 is an enlarged view of region B in fig. 5.
In the figure: 1-a housing; 2-a clamping mechanism; 21-cylinder one; 22-clamping block I; 23-clamping blocks II; 24-a limit groove; 25-projecting blocks; 3-a steel pipe; 4-a limiting mechanism; 41-top plate; 42-connecting rods; 43-connecting ring; 44-push plate; 45-springs; 5-a pipe bending mechanism; 51-main wheel; 52-from wheel; 53-motor; 54-gear one; 55-gear II; 6-an opening and closing mechanism; 61-connecting frames; 62-cylinder II; 63-limiting blocks; 64-connecting blocks; 65-slots; 66-torsion spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: an elbow structure for a pipe bending machine, comprising:
a housing 1;
the clamping mechanism 2 is arranged at the top of the shell 1, the clamping mechanism 2 can clamp the steel pipe 3, and the clamping mechanism 2 clamps one end of the steel pipe 3 when the steel pipe 3 is bent, so that the steel pipe 3 is convenient to bend;
the limiting mechanism 4 is arranged on one side of the shell 1, the limiting mechanism 4 limits the moving length of the steel pipe 3, and the limiting mechanism 4 can limit the bending size of the steel pipe 3, so that the steel pipe 3 can be bent directly;
the pipe bending mechanism 5 is arranged in the shell 1, the pipe bending mechanism 5 bends the steel pipe 3, and the pipe bending mechanism 5 can bend the steel pipe 3, so that the steel pipe 3 is convenient to bend.
The clamping mechanism 2 comprises a first cylinder 21 arranged on one side of the shell 1, the first cylinder 21 is fixedly connected with the shell 1, a clamping block 22 is arranged at the extending end of the first cylinder 21, the clamping block 22 is fixedly connected with the first cylinder 21, the first cylinder 21 pushes the clamping block 22 to move, a second clamping block 23 is arranged at the top of the shell 1, the second clamping block 23 is fixedly connected with the shell 1, clamping grooves capable of clamping the steel pipe 3 are formed in the opposite surfaces of the first clamping block 22 and the second clamping block 23, the first cylinder 21 is started up by putting the steel pipe 3 into the clamping grooves between the first clamping block 22 and the second clamping block 23, the first cylinder 21 pushes the first clamping block 22 to move to the second clamping block 23, so that the steel pipe 3 is clamped, the steel pipe 3 is clamped conveniently, and the steel pipe 3 is bent conveniently.
The limiting groove 24 is formed in the surface of the first clamping block 22, the protruding block 25 which can be inserted into the limiting groove 24 is arranged at the top of the second clamping block 23, the protruding block 25 is fixedly connected with the second clamping block 23, the protruding block 25 can slide in the limiting groove 24, and when the first clamping block 22 moves towards the second clamping block 23, the limiting groove 24 directly enters the outer side of the protruding block 25, so that the possibility of displacement of the steel pipe 3 is reduced, and stable clamping of the steel pipe 3 is facilitated.
The pipe bending mechanism 5 comprises a main wheel 51 rotatably arranged at the top of the shell 1, the main wheel 51 is rotatably connected with the shell 1, a slave wheel 52 is arranged on the outer side of the main wheel 51, a motor 53 is arranged in the shell 1, the motor 53 is fixedly connected with the shell 1, a first gear 54 is fixedly connected with the free end of an output shaft of the motor 53, a second gear 55 meshed with the first gear 54 is arranged in the shell 1, the second gear 55 is rotatably connected with the shell 1, the second gear 55 is not separated from the shell 1, the second gear 55 is connected with the slave wheel 52 through an opening and closing mechanism 6, and the opening and closing mechanism 6 can separate the slave wheel 52 from the side face of the main wheel 51, so that the steel pipe 3 is conveniently taken out after being bent.
The opening and closing mechanism 6 comprises a connecting frame 61 arranged on the outer side of the gear II 55, the connecting frame 61 is fixedly connected with the gear II 55, a cylinder II 62 is arranged at the bottom of the connecting frame 61, a shell 1 of the cylinder II 62 is fixedly connected with the connecting frame 61, a limiting block 63 is arranged at the top of the cylinder II 62, the limiting block 63 is fixedly connected with the output end of the cylinder II 62, one side of the limiting block 63 is in an inclined plane shape, a connecting block 64 is arranged at the bottom of the wheel 52, the connecting block 64 is rotationally connected with the wheel 52, the wheel 52 can rotate on the connecting block 64, a slot 65 which can be inserted by the limiting block 63 is arranged in the connecting block 64, the section of the slot 65 is square, the connecting block 64 is rotationally connected with the limiting block 63 through a rotating shaft, when the steel pipe 3 is required to be clamped between the main wheel 51 and the wheel 52 and then bent, the second air cylinder 62 pushes the limiting block 63 into the slot 65 of the connecting block 64, the inclined surface of the limiting block 63 gradually breaks away from the slot 65, after the limiting block 63 is completely inserted into the slot 65, the connecting block 64 and the connecting block 64 rotate relatively, the second air cylinder 62 rotates in the direction from the second air cylinder 52 to the main wheel 51, the second air cylinder 52 is attached to the main wheel 51 and clamps the steel pipe 3, the motor 53 is started at the moment, the motor 53 drives the first gear 54 to rotate, the first gear 54 pushes the second gear 55 to rotate, the second gear 55 pushes the connecting frame 61 to rotate, the connecting frame 61 pushes the connecting block 64 to rotate, the connecting block 64 pushes the second gear 52 to rotate relative to the main wheel 51, the steel pipe 3 is bent under the action of the rotation of the second gear 52, the steel pipe 3 is bent, the second air cylinder 62 stretches to clamp the second gear 52 and the main wheel 51 conveniently, the possibility of bending the steel pipe 3 is reduced, the second air cylinder 62 retracts to separate the second gear 52 from the main wheel 51, and the bent steel pipe 3 is conveniently taken out, the pipe bending of the steel pipe 3 is facilitated.
The connecting frame 61 and the connecting block 64 are provided with a torsion spring 66 positioned outside the rotating shaft, two ends of the torsion spring 66 are fixedly connected with the rotating shaft and the connecting block 64 respectively, the connecting block 64 is rotationally connected with the rotating shaft, the connecting frame 61 is fixedly connected with the rotating shaft, the elasticity of the torsion spring 66 drives the connecting block 64 to rotate relative to the connecting frame 61 when the air cylinder is retracted through the torsion spring 66, and therefore the wheel 52 on the connecting block 64 is conveniently separated from the main wheel 51, and further the bending of the steel pipe 3 is facilitated.
The limiting mechanism 4 comprises a top plate 41 arranged in the shell 1, the top plate 41 is positioned in a groove formed in the shell 1, the top plate 41 can be pushed out to limit the end part of the steel pipe 3, a connecting rod 42 is arranged at the bottom of the top plate 41, the connecting rod 42 is fixedly connected with the top plate 41, the connecting rod 42 is rotationally connected with the inner wall of the shell 1, a connecting ring 43 positioned at one side of a second cylinder 62 is arranged on one side of the connecting rod 42, the connecting ring 43 is semi-annular, the connecting ring 43 is fixedly connected with the connecting rod 42, a push plate 44 capable of pushing the connecting ring 43 to move is arranged on the outer side of the second cylinder 62, the push plate 44 is fixedly connected with the extending end of the second cylinder 62, the second cylinder 62 pushes the push plate 44 to move when the second cylinder 62 extends out, the connecting ring 43 pushes the connecting rod 42 to rotate in the shell 1, the connecting rod 42 pushes the push plate 44 to descend, the push plate 44 is separated from the outer side of the steel pipe 3, and then the push plate 44 is not easy to block the bent pipe 3, the connecting rod 4 and the bent pipe 5 are linked, so that the operation difficulty of personnel is reduced, the convenience is brought to the quick return of the steel pipe 3, and the connecting rod 45 is also convenient to restore the top plate 45 through the spring 45 between the connecting rod 42 and the shell 1.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides an elbow structure for bending machine which characterized in that: comprising the following steps:
a housing (1);
the clamping mechanism (2) is arranged at the top of the shell (1), and the clamping mechanism (2) can clamp the steel pipe (3);
the limiting mechanism (4) is arranged on one side of the shell (1), and the limiting mechanism (4) limits the moving length of the steel pipe (3);
the pipe bending mechanism (5), the pipe bending mechanism (5) is arranged in the shell (1), the pipe bending mechanism (5) bends the steel pipe (3),
the pipe bending mechanism (5) comprises a main wheel (51) rotatably arranged at the top of the shell (1), a wheel (52) is arranged at the outer side of the main wheel (51), a motor (53) is arranged in the shell (1), a gear I (54) is fixedly connected with the free end of an output shaft of the motor (53), a gear II (55) meshed with the gear I (54) is arranged in the shell (1), the gear II (55) is connected with the wheel (52) through an opening and closing mechanism (6),
the opening and closing mechanism (6) comprises a connecting frame (61) arranged on the outer side of a gear II (55), a cylinder II (62) is arranged at the bottom of the connecting frame (61), a limiting block (63) is arranged at the top of the cylinder II (62), a connecting block (64) is arranged at the bottom of the wheel (52), a slot (65) which can be inserted by the limiting block (63) is arranged in the connecting block (64), the connecting block (64) is rotationally connected with the connecting frame (61) through a rotating shaft,
a torsion spring (66) positioned outside the rotating shaft is arranged between the connecting block (64) and the connecting frame (61), two ends of the torsion spring (66) are respectively fixedly connected with the rotating shaft and the connecting block (64),
stop gear (4) are including installing inside roof (41) at shell (1), and roof 41 is located the inslot that shell 1 offered, and roof 41 can be pushed out the back to the tip of steel pipe 3 spacing, the bottom of roof (41) is equipped with connecting rod (42), connecting rod 42 and roof 41 fixed connection, connecting rod 42 and shell 1 inner wall rotate and are connected, one side of connecting rod (42) is equipped with go-between (43) that are located cylinder two (62) one side, the outside of cylinder two (62) is equipped with push pedal (44) that can promote go-between (43) removal, still be equipped with spring (45) between connecting rod (42) and shell (1), make the recovery behind the rotation of connecting rod (42) through spring (45) for the re-ejection of roof (41).
2. The elbow structure for a pipe bending machine according to claim 1, wherein: the clamping mechanism (2) comprises a first cylinder (21) arranged on one side of the shell (1), a first clamping block (22) is arranged at the extending end of the first cylinder (21), a second clamping block (23) is arranged at the top of the shell (1), and clamping grooves capable of clamping the steel pipe (3) are formed in the opposite surfaces of the first clamping block (22) and the second clamping block (23).
3. The elbow structure for a pipe bending machine according to claim 2, wherein: the surface of the clamping block I (22) is provided with a limiting groove (24), and the top of the clamping block II (23) is provided with a protruding block (25) which can be inserted into the limiting groove (24).
CN202110956282.2A 2021-08-19 2021-08-19 Elbow structure for pipe bending machine Active CN113600653B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110956282.2A CN113600653B (en) 2021-08-19 2021-08-19 Elbow structure for pipe bending machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110956282.2A CN113600653B (en) 2021-08-19 2021-08-19 Elbow structure for pipe bending machine

Publications (2)

Publication Number Publication Date
CN113600653A CN113600653A (en) 2021-11-05
CN113600653B true CN113600653B (en) 2023-07-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110956282.2A Active CN113600653B (en) 2021-08-19 2021-08-19 Elbow structure for pipe bending machine

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4355525A (en) * 1979-09-04 1982-10-26 Carson James W Production tube bending machine
CN205701960U (en) * 2016-04-11 2016-11-23 浙江杭良锅炉制造有限公司 Stable type bending machine
CN208495469U (en) * 2018-07-18 2019-02-15 重庆祥越管道配件制造有限公司 Pipeline bends shaping equipment
CN211027653U (en) * 2019-11-08 2020-07-17 广州市天赫电子技术有限公司 Workpiece fixing device for pipe bending machine
CN110842061B (en) * 2019-11-22 2021-06-15 孟合力 Pipe bending machine for processing aluminum pipe fittings of refrigerator
CN213613494U (en) * 2020-09-29 2021-07-06 佛山市鸿长丰科技有限公司 Pipe bending machine

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