CN210387082U - Pipe bending machine for manufacturing stainless steel pipe fittings - Google Patents

Pipe bending machine for manufacturing stainless steel pipe fittings Download PDF

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Publication number
CN210387082U
CN210387082U CN201921037260.0U CN201921037260U CN210387082U CN 210387082 U CN210387082 U CN 210387082U CN 201921037260 U CN201921037260 U CN 201921037260U CN 210387082 U CN210387082 U CN 210387082U
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servo motor
stainless steel
steel pipe
welded
pipe
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CN201921037260.0U
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肖敬超
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Foshan Jopar Machinery Co ltd
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Foshan Jopar Machinery Co ltd
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Abstract

The utility model relates to a steel pipe preparation field, concretely relates to bending machine for making stainless steel pipe fitting, including workstation and the return bend subassembly of setting at its end, the pipe board that is equipped with the guide hole has all been welded on workstation front and back side upper portion, rack groove has been seted up along its mesa direction in workstation upside left part, the workstation upside is provided with the anchor clamps subassembly, the anchor clamps subassembly includes the mobile station, be provided with first servo motor in the mobile station, first servo motor output shaft end key connection has the first gear with rack groove meshing, mobile station upside rear portion bilateral symmetry is provided with first pneumatic cylinder, mobile station upside rear portion welding has a limit circle, the push rod end of first pneumatic cylinder all penetrates in the limit circle and welds the arc preforming; the utility model discloses a to the nonrust steel pipe of alignment type rotate, realize the change of crooked direction, improve the crooked selectivity of the device, carry out the continuity through the nonrust steel pipe of alignment type simultaneously and crooked, improve crooked efficiency.

Description

Pipe bending machine for manufacturing stainless steel pipe fittings
Technical Field
The utility model relates to a steel pipe preparation field, concretely relates to bending machine for making stainless steel pipe fitting.
Background
In order to meet the requirement of a pipeline with a complex structure, a straight stainless steel pipe needs to be bent, and a pipe bender is usually used for performing secondary processing bending on the straight stainless steel pipe to obtain a stainless steel pipe with a required bending degree.
At present, the pipe bender generally comprises a pipe bending assembly and a pushing clamp assembly, and the linear stainless steel pipe is fixedly clamped in the pushing clamp assembly to push the linear stainless steel pipe, so that the front end of the linear stainless steel pipe is bent through the pipe bending assembly.
However, the pipe bender in the application process has the following defects and shortcomings:
generally, only a short linear elbow can be bent, and the linear elbow with a long length cannot be subjected to continuous elbow, so that the bending efficiency is reduced, and meanwhile, the bending direction cannot be adjusted, so that the bending selectivity is low.
SUMMERY OF THE UTILITY MODEL
Solves the technical problem
To the above shortcoming that prior art exists, the utility model provides a bending machine for making stainless steel pipe fitting can solve prior art can only bend one section shorter linear type return bend usually effectively, can not carry out the continuity return bend to the longer linear type return bend of length, and then reduces bending efficiency, can not adjust crooked direction simultaneously, and then the problem that crooked selectivity is low.
Technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a pipe bending machine for manufacturing stainless steel pipes comprises a workbench and a pipe bending assembly arranged at the front end of the workbench, wherein guide pipe plates with guide holes are welded at the upper parts of the front side and the rear side of the workbench, a rack groove is formed in the left part of the upper side of the workbench along the direction of a table top of the workbench, a clamp assembly is arranged on the upper side of the workbench and comprises a moving table, a first servo motor is arranged in the moving table, a first gear meshed with the rack groove is connected with an output shaft end key of the first servo motor, first hydraulic cylinders are symmetrically arranged on the left and right of the rear part of the upper side of the moving table, a limiting ring is welded at the rear part of the upper side of the moving table, push rod ends of the first hydraulic cylinders penetrate into the limiting ring and are welded with arc pressing sheets, two groups of semicircular fixing plates are rotatably connected in the limiting ring through a plurality of groups of spring cylinders, semicircle fixed plate front side all welds there is half ring gear, the left front portion of mobile station upside is provided with the second hydraulic stem, and second hydraulic stem output shaft end is connected with second servo motor through the mount, and second servo motor can remove in the left front portion of mobile station upside, and second servo motor output shaft end is provided with the second gear with half ring gear meshing, through can make up the semicircle fixed plate that forms whole circle structure to make the combination of two sets of half ring gear shells form whole ring gear, and then can mesh with the second gear.
Furthermore, the elbow pipe assembly comprises a third servo motor and a bending wheel, a rotating plate is arranged at the output shaft end of the third servo motor, the left side of the rotating plate is connected to the right wall of the right conduit plate through a rotating shaft in a rotating mode, a third hydraulic cylinder is arranged on the upper side of the rotating plate, an arc-shaped pressing plate is welded at the output shaft end of the third hydraulic cylinder, and the bending wheel is connected to the right side of the workbench through a rotating shaft in a rotating mode.
Furthermore, the front part and the rear part of the upper side of the workbench are welded with the guide bar blocks along the direction of the table surface of the workbench, and the front part and the rear part of the bottom side of the mobile station are provided with guide grooves matched with the guide bar blocks.
Furthermore, the inner side of the arc-shaped pressing sheet is uniformly and rotatably connected with a roller through a rotating shaft, and the roller can be in friction contact with the outer side wall of the semicircular fixing plate.
Furthermore, annular chutes are formed in the front inner wall and the rear inner wall of the limiting ring, balls matched with the annular chutes are arranged at one end of each spring cylinder, and the spring cylinders are symmetrically distributed on the front side and the rear side of the semicircular fixing plate and welded on the circumferential outer side wall of the semicircular fixing plate.
Furthermore, a rectangular sliding groove is formed in the front left portion of the upper side of the workbench, and a rectangular sliding block matched with the rectangular sliding groove is arranged on the lower side of the second servo motor.
Advantageous effects
Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:
the utility model discloses a nonrust steel pipe of alignment type rotates to realize the change of crooked direction, improve the device crooked selectivity, carry out the continuity through the nonrust steel pipe of alignment type simultaneously and crooked, improve bending efficiency, not only avoid constantly changing the nonrust steel pipe of linear type, reduce the device's area and length moreover, effectively reduce occupation of land space.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic structural view of an integral front side view angle of the present invention;
FIG. 2 is a front view of the clamp assembly of the present invention;
fig. 3 is a schematic view of the bottom view structure of the clamp assembly of the present invention;
FIG. 4 is a schematic view of a cross-sectional angle structure of the clamping set of the present invention;
FIG. 5 is an enlarged schematic view of the clamp assembly A of the present invention;
the reference numerals in the drawings denote: 1-a workbench; 2-a duct board; 3-rack slot; 4-a mobile station; 5-a first servo motor; 6-a first gear; 7-a first hydraulic cylinder; 8-confinement rings; 9-arc tabletting; 10-a spring cartridge; 11-a semicircular fixing plate; 12-half gear ring; 13-a second hydraulic ram; 14-a second servo motor; 15-a second gear; 16-a third servo; 17-a bending wheel; 18-a rotating plate; 19-a third hydraulic cylinder; 20-arc-shaped pressing plates; 21-a guide bar block; 22-a guide groove; 23-a roller; 24-an annular chute; 25-a rectangular chute; 26-rectangular slider.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Examples
A tube bending machine for manufacturing stainless steel pipes according to the present embodiment is shown in fig. 1 to 5: comprises a workbench 1 and a bent pipe assembly arranged at the front end of the workbench, wherein the upper parts of the front side and the rear side of the workbench 1 are welded with guide pipe plates 2 provided with guide holes, the left part of the upper side of the workbench 1 is provided with a rack groove 3 along the direction of a table surface of the workbench, the upper side of the workbench 1 is provided with a clamp assembly, the clamp assembly comprises a movable table 4, a first servo motor 5 is arranged in the movable table 4, the end of an output shaft of the first servo motor 5 is in keyed connection with a first gear 6 meshed with the rack groove 3, the rear part of the upper side of the movable table 4 is bilaterally symmetrically provided with a first hydraulic cylinder 7, the rear part of the upper side of the movable table 4 is welded with a limiting ring 8, the push rod end of the first hydraulic cylinder 7 penetrates into the limiting ring 8 and is welded with an arc-shaped pressing sheet 9, two groups of semicircle fixing plates 11 are rotatably connected in the limiting ring, the semi-circular fixing plate 11 front side all welds has semi-ring gear 12, and the left front portion of the 4 upside of mobile station is provided with second hydraulic stem 13, and second hydraulic stem 13 output shaft end is connected with second servo motor 14 through the mount, and second servo motor 14 can be at the left front portion removal of 4 upside of mobile station, and second servo motor 14 output shaft end is provided with the second gear 15 with semi-ring gear 12 meshing.
The bent pipe assembly comprises a third servo motor 16 and a bending wheel 17, a rotating plate 18 is arranged at the output shaft end of the third servo motor 16, the left side of the rotating plate is rotatably connected to the right wall of the right guide pipe plate 2 through a rotating shaft, a third hydraulic cylinder 19 is arranged on the upper side of the rotating plate 18, an arc-shaped pressing plate 20 is welded at the output shaft end of the third hydraulic cylinder 19, the bending wheel 17 is rotatably connected to the right side of the workbench 1 through the rotating shaft, after the front end of the linear stainless steel pipe penetrates out of the guide pipe plate 2, the third hydraulic cylinder 19 pushes the arc-shaped pressing plate 20 and extrudes the linear stainless steel pipe, and the rotating plate 18 is driven to rotate by the third servo motor 16, so that the;
wherein, the front and back parts of the upper side of the working table 1 are welded with the guide bar blocks 21 along the direction of the table surface, and the front and back parts of the bottom side of the mobile table 4 are provided with guide grooves 22 matched with the guide bar blocks 21, so that the moving stability of the mobile table 4 is improved;
wherein, the inner side of the arc-shaped pressing piece 9 is uniformly and rotatably connected with a roller 23 through a rotating shaft, and the roller 23 can be in frictional contact with the outer side wall of the semicircular fixing plate 11, so that the semicircular fixing plate 11 can rotate in the arc-shaped pressing piece 9; the front inner wall and the rear inner wall of the limiting ring 8 are both provided with an annular chute 24, one end of the spring cylinder 10 is provided with a ball matched with the annular chute 24, the spring cylinders 10 are symmetrically distributed on the front side and the rear side of the semicircular fixing plate 11 and welded on the outer side wall of the circumference of the semicircular fixing plate 11, and the semicircular fixing plate 11 can rotate around the axis of the limiting ring 8 in the limiting ring 8;
wherein, the left front part of the upper side of the workbench 1 is provided with a rectangular sliding groove 25, the lower side of the second servo motor 14 is provided with a rectangular sliding block 26 matched with the rectangular sliding groove 25, and the moving stability of the second servo motor 14 is improved.
When the device is used, a linear stainless steel pipe penetrates out of the guide pipe plate 2 at the rear side and penetrates between the two groups of semicircular fixing plates 11, the PLC controls the first hydraulic cylinder 7 to push the arc pressing piece 9, the arc pressing piece 9 moves towards the axis of the limiting ring 8, the semicircular fixing plates 11 are further pushed, the spring cylinder 10 is in a stretching state, the two groups of semicircular fixing plates 11 are close to each other and combined to form a complete circular structure, the two groups of semicircular gear rings 12 are combined into a complete gear ring structure, the linear stainless steel pipe is tightly clamped, the PLC controls the first servo motor 5 to drive the first gear 6 to rotate and control the rotation angle of the first gear 6, and the moving platform 4 is driven to move forwards through the meshing of the first gear 6 and the rack groove 3, so that the front end of the linear stainless steel pipe enters the pipe bending assembly to be bent; if the bending direction of the linear stainless steel pipe is changed, the PLC controls the second hydraulic rod 13, the second hydraulic rod 13 pushes the second servo motor 14 to move rightwards, so that the second gear 15 is meshed with the complete gear ring, the PLC controls the second servo motor 14 to drive the second gear 15 and control the rotation angle of the second gear 15, the complete gear ring is driven to rotate through the second gear 15, the two groups of semicircular fixing plates 11 rotate for a certain angle, the linear stainless steel pipe rotates for a certain angle around the axis of the linear stainless steel pipe, the bending direction is changed, the bending selectivity of the device is improved, and after the rotation is finished, the PLC controls the second hydraulic rod 13 and the second servo motor 14 again, so that the second gear 15 returns to the initial position; if crooked the back, drive arc preforming 9 through PLC control first pneumatic cylinder 7 and get back to initial position, under the elasticity of spring case 10 is controlled, make two sets of semicircle fixed plates 11 loosen, linear type stainless steel pipe erects between two sets of jacket plates 2 this moment, semicircle fixed plate 11 all not with linear type stainless steel pipe frictional contact, the first servo motor 5 of re-control, drive moving platform 4 backward movement, again through two sets of first pneumatic cylinders 7 of PLC control, make centre gripping linear type stainless steel pipe once more, and carry out the continuity bending to linear type stainless steel pipe, improve bending efficiency, not only avoid constantly changing linear type stainless steel pipe, and reduce the device's area and length, effectively reduce occupation of land space.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. A bending machine for making stainless steel pipe fittings, includes workstation (1) and sets up the return bend subassembly at its front end, its characterized in that: the guide pipe plates (2) with guide holes are welded on the upper portions of the front side and the rear side of the workbench (1), rack grooves (3) are formed in the left portion of the upper side of the workbench (1) along the direction of a table board of the workbench, clamp assemblies are arranged on the upper side of the workbench (1), each clamp assembly comprises a moving table (4), a first servo motor (5) is arranged in each moving table (4), a first gear (6) meshed with each rack groove (3) is in keyed connection with an output shaft of each first servo motor (5), first hydraulic cylinders (7) are symmetrically arranged on the left and right of the rear portion of the upper side of each moving table (4), a limiting ring (8) is welded on the rear portion of the upper side of each moving table (4), push rod ends of the first hydraulic cylinders (7) penetrate into the limiting ring (8) and are welded with arc pressing sheets (9), two semicircular fixing plates (11) are rotatably connected in the limiting rings (8) through a plurality of spring barrels (10, semicircle fixed plate (11) are all established at arc preforming (9) inboardly, and semicircle fixed plate (11) front side all welds semiring gear (12), the left front portion of mobile station (4) upside is provided with second hydraulic stem (13), and second hydraulic stem (13) output shaft end is connected with second servo motor (14) through the mount, and second servo motor (14) can be in the left front portion removal of mobile station (4) upside, and second servo motor (14) output shaft end is provided with second gear (15) with semiring gear (12) meshing.
2. The pipe bender for manufacturing stainless steel pipes according to claim 1, wherein the pipe bending assembly comprises a third servo motor (16) and a bending wheel (17), a rotating plate (18) is arranged at the output shaft end of the third servo motor (16), the left side of the rotating plate is rotatably connected to the right wall of the right guide pipe plate (2) through a rotating shaft, a third hydraulic cylinder (19) is arranged on the upper side of the rotating plate (18), an arc-shaped pressing plate (20) is welded at the output shaft end of the third hydraulic cylinder (19), and the bending wheel (17) is rotatably connected to the right side of the workbench (1) through a rotating shaft.
3. The pipe bender for manufacturing stainless steel pipes according to claim 1, characterized in that the front and rear parts of the upper side of the table (1) are welded with guide bar blocks (21) along the table direction, and the front and rear parts of the bottom side of the movable table (4) are provided with guide grooves (22) matched with the guide bar blocks (21).
4. The bending machine for manufacturing stainless steel pipes according to claim 1, wherein the inner side of the arc-shaped pressing sheet (9) is uniformly and rotatably connected with rollers (23) through a rotating shaft, and the rollers (23) can be in frictional contact with the outer side wall of the semicircular fixing plate (11).
5. The pipe bender for manufacturing stainless steel pipes according to claim 1, wherein the limiting ring (8) has an annular sliding groove (24) formed on the front and rear inner walls thereof, the spring cylinder (10) has a ball disposed at one end thereof for engaging with the annular sliding groove (24), and the spring cylinders (10) are symmetrically disposed on the front and rear sides of the semicircular fixing plate (11) and welded to the circumferential outer sidewall of the semicircular fixing plate (11).
6. The pipe bender for manufacturing stainless steel pipes according to claim 1, characterized in that a rectangular sliding chute (25) is opened at the left front part of the upper side of the worktable (1), and a rectangular sliding block (26) matched with the rectangular sliding chute (25) is arranged at the lower side of the second servo motor (14).
CN201921037260.0U 2019-07-03 2019-07-03 Pipe bending machine for manufacturing stainless steel pipe fittings Active CN210387082U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921037260.0U CN210387082U (en) 2019-07-03 2019-07-03 Pipe bending machine for manufacturing stainless steel pipe fittings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921037260.0U CN210387082U (en) 2019-07-03 2019-07-03 Pipe bending machine for manufacturing stainless steel pipe fittings

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CN210387082U true CN210387082U (en) 2020-04-24

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111672945A (en) * 2020-06-09 2020-09-18 芜湖市欣龙机械有限责任公司 Pipe bending machine capable of being adjusted at multiple angles
CN114226517A (en) * 2021-12-23 2022-03-25 马鞍山市三川机械制造有限公司 Pipe bending machine for machining automobile exhaust pipe
CN114393072A (en) * 2021-12-21 2022-04-26 丁田田 Stamping and bending forming device for metal pipe processing
CN117299891A (en) * 2023-11-24 2023-12-29 河北鹏鑫管道装备集团有限公司 Special-shaped bent pipe machining device and machining method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111672945A (en) * 2020-06-09 2020-09-18 芜湖市欣龙机械有限责任公司 Pipe bending machine capable of being adjusted at multiple angles
CN114393072A (en) * 2021-12-21 2022-04-26 丁田田 Stamping and bending forming device for metal pipe processing
CN114226517A (en) * 2021-12-23 2022-03-25 马鞍山市三川机械制造有限公司 Pipe bending machine for machining automobile exhaust pipe
CN114226517B (en) * 2021-12-23 2024-04-02 马鞍山市三川机械制造有限公司 Pipe bending machine for machining automobile exhaust pipe
CN117299891A (en) * 2023-11-24 2023-12-29 河北鹏鑫管道装备集团有限公司 Special-shaped bent pipe machining device and machining method thereof
CN117299891B (en) * 2023-11-24 2024-02-06 河北鹏鑫管道装备集团有限公司 Special-shaped bent pipe machining device and machining method thereof

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