CN113059041A - Automatic pipe bending equipment - Google Patents

Automatic pipe bending equipment Download PDF

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Publication number
CN113059041A
CN113059041A CN202110373615.9A CN202110373615A CN113059041A CN 113059041 A CN113059041 A CN 113059041A CN 202110373615 A CN202110373615 A CN 202110373615A CN 113059041 A CN113059041 A CN 113059041A
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CN
China
Prior art keywords
steel pipe
control panel
infrared sensor
oil cylinder
rotating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110373615.9A
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Chinese (zh)
Inventor
黄黎明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Lin'an Rongsheng Machinery Co ltd
Original Assignee
Hangzhou Lin'an Rongsheng Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Hangzhou Lin'an Rongsheng Machinery Co ltd filed Critical Hangzhou Lin'an Rongsheng Machinery Co ltd
Priority to CN202110373615.9A priority Critical patent/CN113059041A/en
Publication of CN113059041A publication Critical patent/CN113059041A/en
Pending legal-status Critical Current

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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
    • B21D7/00Bending rods, profiles, or tubes
    • B21D7/12Bending rods, profiles, or tubes with programme control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • 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
    • B21D43/006Feeding elongated articles, such as tubes, bars, or profiles
    • 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
    • B21D43/02Advancing work in relation to the stroke of the die or tool
    • B21D43/04Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/12Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by chains or belts
    • 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
    • B21D7/16Auxiliary equipment, e.g. for heating or cooling of bends

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The application relates to the technical field of steel pipe bending, in particular to automatic pipe bending equipment which comprises a conveying mechanism and a bending mechanism, wherein the conveying mechanism comprises a support, a conveying belt arranged on the support and two limiting plates respectively arranged on two sides of the conveying belt, the conveying belt is horizontally arranged, and the two limiting plates are arranged on the support and are clamped on a steel pipe on the conveying belt together; the bending mechanism comprises a first rotary oil cylinder arranged at the output end of the conveyor belt, a rotating plate arranged on an output shaft of the first rotary oil cylinder, a positioning seat arranged on the rotating plate and a second rotary oil cylinder, wherein the output shaft of the first rotary oil cylinder extends along the vertical direction, the output shaft of the second rotary oil cylinder extends along the horizontal direction, and a pressing plate used for pressing the steel pipe on the positioning seat is arranged on the output shaft of the second rotary oil cylinder. This application can improve the machining efficiency of steel pipe.

Description

Automatic pipe bending equipment
Technical Field
The application relates to the technical field of steel pipe bending, in particular to automatic pipe bending equipment.
Background
Overhead guard frames for forklifts are usually formed by bending steel pipes.
At present, in the bending process of a steel pipe, the steel pipe needs to be limited firstly, so that the steel pipe can only move along the self axial direction; and then the steel pipe is clamped by the clamp, and then the rotary oil cylinder drives the clamp to rotate, so that the steel pipe is bent.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the process of machining the steel pipe, a worker is required to manually move the steel pipe to be bent to the clamp and blank the steel pipe bent at the clamp, so that the machining efficiency of the steel pipe is affected, and improvement is needed.
Disclosure of Invention
In order to improve the machining efficiency of steel pipe, this application provides an automatic return bend equipment.
The application provides an automatic pipe bending equipment adopts following technical scheme: an automatic pipe bending device comprises a conveying mechanism and a bending mechanism, wherein the conveying mechanism comprises a support, a conveying belt arranged on the support and two limiting plates respectively arranged on two sides of the conveying belt, the conveying belt is horizontally arranged, and the two limiting plates are arranged on the support and clamped on a steel pipe on the conveying belt together; the bending mechanism comprises a base arranged at the output end of the conveying belt, a first rotary oil cylinder arranged on the base, a rotating plate arranged on an output shaft of the first rotary oil cylinder, a positioning seat arranged on the rotating plate and a second rotary oil cylinder, wherein the output shaft of the first rotary oil cylinder extends along the vertical direction, the output shaft of the second rotary oil cylinder extends along the horizontal direction, and a pressing plate used for pressing the steel pipe on the positioning seat is arranged on the output shaft of the second rotary oil cylinder.
By adopting the technical scheme, the conveyor belt conveys the steel pipe linearly in the processing process of the steel pipe, and the two limiting plates are clamped on the steel pipe together, so that the steel pipe is not easy to shake in the conveying process; when the position to be bent of the steel pipe moves to the positioning seat, the conveying belt stops conveying, the second rotary oil cylinder drives the pressing plate to rotate, and the pressing plate tightly presses the steel pipe on the positioning seat; then the first rotating oil cylinder drives the rotating plate, the positioning seat and the second rotating oil cylinder to rotate, so that the steel pipe is bent; then the second rotary oil cylinder drives the pressing plate to rotate and keep away from the steel pipe, the conveying belt continues to convey the steel pipe, the steel pipe to be bent moves to the positioning seat and pushes the bent steel pipe to be kept away from the positioning seat, and the first rotary oil cylinder drives the rotating plate to rotate and reset. To sum up, this application has realized automatic feeding, automatic bending and automatic unloading in the steel pipe to the machining efficiency of steel pipe has been improved.
Optionally, the conveying mechanism is positioned between the conveying belt and the first rotating oil cylinder, and comprises two rotating wheels clamped on the steel pipe together and a driving assembly for driving the two rotating wheels to synchronously and reversely rotate.
Through adopting above-mentioned technical scheme, at the in-process of conveyer belt conveying steel pipe, drive assembly will drive two synchronous reverse rotations of runner, and two runners will carry the steel pipe jointly for the steel pipe is difficult for skidding on the conveyer belt, and has improved the stability of steel pipe in the motion process.
Optionally, the conveyor belt comprises two rotating rollers rotatably connected to the support, a first belt sleeved on the two rotating rollers, and a motor arranged on the support, wherein an output shaft of the motor is connected to one of the rotating rollers; the two rotating wheels are rotatably connected to the bracket through rotating shafts and are respectively positioned on the upper side and the lower side of the steel pipe; the driving assembly comprises two belt wheels, a second belt and two gears, wherein the belt wheels are respectively sleeved on one rotating roller and the lower rotating shaft, the second belt is sleeved on the two belt wheels, the two gears are respectively sleeved on the two rotating shafts, and the two gears are mutually meshed.
By adopting the technical scheme, when the motor drives one of the rotating rollers to rotate, the rotating roller drives the first belt to move, so that the first belt linearly conveys the steel pipe; and the rotating roller drives the lower rotating shaft to rotate through the belt wheel and the second belt, and the two rotating wheels synchronously and reversely rotate under the action of the gear. Therefore, through the control motor, can realize first belt and two runners to the transport of steel pipe, convenient operation.
Optionally, the device further comprises a control mechanism, the control mechanism comprises a control panel and a first infrared sensor arranged on the bracket, and the first infrared sensor and the second rotary oil cylinder are both coupled to the control panel; one belt wheel is provided with a detection plate for detecting the first infrared sensor;
when the first infrared sensor detects the detection plate, the first infrared sensor sends a timing signal to the control panel, the control panel starts timing, and when the control panel times to a set time length, the control panel controls the output shaft of the second rotary oil cylinder to rotate by a specified angle, so that the pressing plate presses the steel pipe on the positioning seat, and the set time length is longer than the time length required by one rotation of the belt wheel; when the control panel receives the timing signal sent by the first infrared sensor again, the control panel restarts timing.
By adopting the technical scheme, in the process of conveying the steel pipe by the first belt, the belt wheel and the detection plate rotate, the first infrared sensor detects the detection plate and sends a timing signal to the control panel, and the control panel starts timing; because the time length that the first infrared sensor detects the detection plate again is less than the set time length of the control panel, the control panel can continuously restart timing.
When the steel pipe to be bent moves to the positioning seat, the motor is closed, the belt wheel and the detection plate stop rotating, the first infrared sensor cannot detect the detection plate again within a set time period, and therefore the control panel controls the output shaft of the second rotary oil cylinder to rotate by a specified angle, and the steel pipe is compressed on the positioning seat by the pressing plate. Therefore, after the motor is turned off, the pressing plate can automatically press the steel pipe, and the operation is convenient.
Optionally, the control mechanism further comprises an infrared emitter arranged on the positioning seat and an infrared receiver arranged on the pressing plate, and the infrared receiver and the first rotating oil cylinder are both coupled to the control panel;
when the pressing plate compresses tightly the steel pipe on the positioning seat, infrared receiver will receive the infrared ray of first infrared sensor transmission, and infrared receiver will send the signal of bending to control panel, and control panel will control the rotatory appointed angle of output shaft of first rotatory hydro-cylinder.
Through adopting above-mentioned technical scheme, when the clamp plate compressed tightly the steel pipe on the positioning seat, infrared receiver will receive the infrared ray of first infrared sensor transmission, and infrared receiver will send the signal of bending to control panel, and control panel will control the output shaft of first rotatory hydro-cylinder and drive rotor plate, positioning seat, the rotatory appointed angle of second rotatory hydro-cylinder and clamp plate for the steel pipe is bent. Therefore, after the pressing plate presses the steel pipe tightly, the steel pipe is automatically bent, and the operation is convenient.
Optionally, the control mechanism further includes a second infrared sensor disposed on the base, and the second infrared sensor is coupled to the control panel;
when the second infrared sensor detects the bent steel pipe, the second infrared sensor sends a rotation signal to the control panel, the control panel controls the output shaft of the second rotary oil cylinder to rotate for a specified angle, and the pressing plate resets in a rotating mode and is separated from the motion track of the bent steel pipe when the bent steel pipe is conveyed by the conveyor belt.
By adopting the technical scheme, after the steel pipe is bent, the second infrared sensor detects the bent steel pipe and sends a rotation signal to the control panel, and the control panel controls the output shaft of the second rotary oil cylinder to rotate by a specified angle, so that the pressing plate rotates to be separated from the motion track of the bent steel pipe when the bent steel pipe is conveyed by the conveyor belt. Therefore, after the steel pipe is bent, the pressing plate automatically rotates to be away from the bent steel pipe, so that blanking of the bent steel pipe is facilitated.
Optionally, the control mechanism further includes a third infrared sensor disposed on the base, and both the third infrared sensor and the motor are coupled to the control panel;
when the third infrared sensor detects the pressing plate separated from the motion track of the bent steel pipe, the third infrared sensor sends a conveying signal to the control panel, and the control panel controls the output shaft of the motor to rotate for a specified number of turns.
Through adopting above-mentioned technical scheme, when the clamp plate rotated and breaks away from in the movement track of bending the steel pipe, third infrared sensor will detect the clamp plate and send conveying signal to control panel, and control panel will control the rotatory appointed number of turns of motor's output shaft for first belt is carried the steel pipe. Therefore, when the pressing plate rotates to be far away from the bent steel pipe, the conveying belt automatically finishes feeding of the steel pipe to be bent and discharging of the bent steel pipe, and operation is convenient.
Optionally, the control mechanism further includes a fourth infrared sensor disposed on the base, and the fourth infrared sensor is coupled to the control panel;
after the fourth infrared sensor detects the bent steel pipe separated from the rotating track of the positioning seat, the fourth infrared sensor sends a reset signal to the control panel, and the control panel controls the output shaft of the first rotating oil cylinder to rotate by a specified angle, so that the positioning seat rotates and resets.
By adopting the technical scheme, when the bent steel pipe is separated from the motion track of the positioning seat, the fourth infrared sensor detects the bent steel pipe and sends a reset signal to the control panel, and the control panel controls the output shaft of the first rotary oil cylinder to rotate by a specified angle, so that the positioning seat is rotated and reset. Therefore, in the blanking process of bending the steel pipe, the positioning seat automatically rotates and resets so as to facilitate the steel pipe to be bent continuously.
To sum up, the application comprises the following beneficial technical effects:
1. the arrangement of the conveying mechanism and the bending mechanism realizes automatic feeding, automatic bending and automatic blanking in the steel pipe, so that the processing efficiency of the steel pipe is improved;
2. the arrangement of the transmission mechanism ensures that the steel pipe is not easy to slip on the conveyor belt and improves the stability of the steel pipe in the movement process;
3. due to the arrangement of the control mechanism, the linkage of the conveying belt, the conveying mechanism and the bending mechanism is realized, so that the machining efficiency of the steel pipe is further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure in the embodiment of the present application;
FIG. 2 is a schematic structural view showing a conveying mechanism and a transfer mechanism in an embodiment of the present application;
FIG. 3 is a schematic structural view showing a bending mechanism in the embodiment of the present application;
fig. 4 is a schematic structural view showing a bending mechanism and a control mechanism in the embodiment of the present application.
Reference numerals: 1. a material preparation mechanism; 11. a serpentine channel; 12. a support leg; 2. a conveying mechanism; 21. a support; 22. a conveyor belt; 221. a rotating roller; 222. a first belt; 223. a motor; 23. a limiting plate; 3. a transport mechanism; 31. a rotating wheel; 311. a ring groove; 312. detecting a plate; 32. a rotating shaft; 33. a drive assembly; 331. a pulley; 332. a second belt; 333. a gear; 4. a bending mechanism; 41. a base; 42. a first rotary cylinder; 43. a rotating plate; 44. positioning seats; 441. an arc-shaped slot; 442. a horizontal groove; 45. pressing a plate; 46. a second rotary cylinder; 5. a control mechanism; 51. a first infrared sensor; 52. an infrared emitter; 53. an infrared receiver; 54. a second infrared sensor; 55. a third infrared sensor; 56. a fourth infrared sensor.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses automatic pipe bending equipment. As shown in fig. 1, an automatic pipe bending apparatus includes a material preparing mechanism 1, a conveying mechanism 2, a conveying mechanism 3, a bending mechanism 4, and a control mechanism 5. In the processing process of the steel pipes, a plurality of steel pipes are prepared on the material preparation mechanism 1, the material preparation mechanism 1 feeds the steel pipes to the conveying mechanism 2, the control mechanism 5 controls the conveying mechanism 2 and the conveying mechanism 3 to convey the steel pipes to the bending mechanism 4, then the control mechanism 5 controls the bending mechanism 4 to bend the steel pipes, and then the control mechanism 5 controls the conveying mechanism 2 and the conveying mechanism 3 to convey the bent steel pipes to be discharged.
As shown in fig. 1, the material preparation mechanism 1 comprises a serpentine channel 11, a plurality of support legs 12 are fixed on the serpentine channel 11, a plurality of steel pipes are distributed in the serpentine channel 11 in a serpentine manner, and the steel pipes in the serpentine channel 11 roll downwards to the conveying mechanism 2, so that the automatic material preparation of the steel pipes is realized; and the two ends of the steel pipe respectively abut against the inner walls of the two opposite sides of the serpentine channel 11, so that the steel pipe is not easy to shake in the rolling process.
As shown in fig. 1 and 2, the conveying mechanism 2 includes a support 21, a conveyor belt 22 is mounted on the support 21, the conveyor belt 22 includes two rotating rollers 221 rotatably connected to the support 21, the two rotating rollers 221 are sequentially arranged along the axial direction of the steel pipe placed in the serpentine channel 11, and the same first belt 222 is sleeved on the two rotating rollers 221; a motor 223 is fixed on the bracket 21, and an output shaft of the motor 223 extends along the axial direction of the rotating rollers 221 and is fixedly connected to one of the rotating rollers 221. Two limiting plates 23 respectively positioned at the left side and the right side of the conveyor belt 22 are fixed on the support 21, and the lower end opening of the serpentine channel 11 is positioned above the two limiting plates 23.
The steel pipe in the serpentine channel 11 rolls to a position between the two limiting plates 23 and falls onto the first belt 222, the motor 223 drives the rotating roller 221 to rotate, the rotating roller 221 drives the first belt 222 to move, and the first belt 222 conveys the steel pipe; the steel pipe on first belt 222 will be by two limiting plates 23 centre gripping in the motion process for the steel pipe is difficult for rocking, and the steel pipe will block the steel pipe of the lower extreme in serpentine channel 11, makes the steel pipe in serpentine channel 11 material loading to first belt 222 in order.
As shown in fig. 2, the transmission mechanism 3 is located at the output end of the conveyor belt 22, the transmission mechanism 3 includes two rotating wheels 31 respectively located at the upper and lower sides of the steel pipe, and both rotating wheels 31 are rotatably connected to the bracket 21 through a rotating shaft 32; the transmission mechanism 3 further comprises a driving component 33, the driving component 33 comprises two belt wheels 331 and two gears 333, the two belt wheels 331 are respectively sleeved on one of the rotating rollers 221 and the lower rotating shaft 32, the two belt wheels 331 are sleeved with the same second belt 332, the two gears 333 are respectively sleeved on the two rotating shafts 32, and the two gears 333 are meshed with each other. When the motor 223 drives the rotating roller 221 to rotate, the rotating roller 221 drives the lower rotating shaft 32 to rotate through the belt wheel 331 and the second belt 332, the gear 333 enables the two rotating shafts 32 to synchronously rotate in opposite directions, and the rotating wheels 31 on the two rotating shafts 32 convey the steel pipe together, so that the steel pipe is not easy to slip on the first belt 222.
All be equipped with on the outer wall of two runners 31 and supply the steel pipe part to sink annular 311, annular 311 makes the steel pipe difficult for rocking in transportation process, has improved the stability of steel pipe.
As shown in fig. 2 and 3, the bending mechanism 4 includes a base 41 located on a side of the rotating wheel 31 away from the conveyor belt 22, a first rotating cylinder 42 is fixed on the base 41, an output shaft of the first rotating cylinder 42 extends in a vertical direction and is fixed with a rotating plate 43, and a positioning seat 44 and a second rotating cylinder 46 are fixed on the rotating plate 43; the positioning seat 44 is provided with an arc-shaped groove 441 and a horizontal groove 442 for the steel pipe to sink into, and the arc-shaped groove 441 is communicated with the horizontal groove 442; an output shaft of the second rotary cylinder 46 extends in the horizontal direction and is fixed with a pressure plate 45, and the pressure plate 45 is arranged in an arc shape.
The control mechanism 5 comprises a control panel and a first infrared sensor 51 fixed on the bracket 21, the first infrared sensor 51 is vertically arranged, and the first infrared sensor 51, the first rotary oil cylinder 42, the second rotary oil cylinder 46 and the motor 223 are all coupled to the control panel; a detection plate 312 is fixed on the surface of one of the pulleys 331.
When the motor 223 drives the rotating roller 221 to rotate, the first belt 222 and the rotating wheel 31 will jointly convey the steel pipe, the belt wheel 331 and the detection plate 312 will rotate, when the first infrared sensor 51 detects the rotating detection plate 312, the first infrared sensor 51 will send a timing signal to the control panel, and the control panel will start timing; since the pulley 331 and the detection plate 312 are continuously rotated, the first infrared sensor 51 will intermittently detect the detection plate 312, so that the control panel will constantly restart timing.
When the part to be bent of the steel pipe penetrates through the arc-shaped groove 441 and moves into the horizontal groove 442, the motor 223 is turned off, the belt wheel 331 and the detection plate 312 stop rotating, and the first infrared sensor 51 cannot detect the detection plate 312; the control panel will count time to a set time, in this embodiment, the set time is 0.5s more than the time required by the detection plate 312 rotating for one turn, at this time, the control panel will control the output shaft of the second rotary cylinder 46 to rotate by a specified angle, and the second rotary cylinder 46 will drive the pressing plate 45 to rotate, so that the pressing plate 45 compresses the steel pipe in the horizontal groove 442.
As shown in fig. 3 and 4, the positioning seat 44 is fixed with an infrared emitter 52; an infrared receiver 53 is fixed on the pressure plate 45, and the infrared receiver 53 is coupled to the control panel. When the pressing plate 45 presses the steel pipe tightly in the horizontal groove 442, the infrared receiver 53 receives infrared rays emitted by the first infrared sensor 51 and sends a bending signal to the control panel, the control panel controls the output shaft of the first rotating oil cylinder 42 to rotate by a specified angle, the first rotating oil cylinder 42 drives the rotating plate 43 to rotate, and the positioning seat 44 on the rotating plate 43 and the pressing plate 45 drive the steel pipe to rotate, so that the steel pipe is bent.
A second infrared sensor 54, a third infrared sensor 55 and a fourth infrared sensor 56 are fixed on the base 41, the second infrared sensor 54, the third infrared sensor 55 and the fourth infrared sensor 56 are all coupled to the control panel, and the second infrared sensor 54 is located on the motion track of the steel pipe in the bending process. After the steel pipe is bent, the second infrared sensor 54 detects that the steel pipe is bent and sends a rotation signal to the control panel, the control panel controls the output shaft of the second rotary oil cylinder 46 to rotate by a specified angle, the second rotary oil cylinder 46 drives the pressing plate 45 to rotate, the pressing plate 45 rotates away from the bent steel pipe, and the highest point of the pressing plate 45 is lower than the lowest point of the bent steel pipe.
At this time, the third infrared sensor 55 will detect the pressing plate 45 and send a conveying signal to the control panel, the control panel will control the output shaft of the motor 223 to rotate a designated number of turns, the motor 223 will drive the rotating roller 221 to rotate, and the rotating roller 221 will cause the first belt 222 to convey the bent steel tube. When the bent steel pipe moves to be separated from the steel pipe in the serpentine channel 11, the steel pipe at the lowest position in the serpentine channel 11 rolls onto the first belt 222, and the steel pipe pushes the bent steel pipe to move for blanking.
After the bent pipe moves away from the track of the positioning seat 44 during the rotation reset, the fourth infrared sensor 56 detects the bent steel pipe and sends a reset signal to the control panel, the control panel controls the output shaft of the first rotary cylinder 42 to rotate by a specified angle, and the first rotary cylinder 42 drives the positioning seat 44 and the pressing plate 45 to rotate and reset. When the position to be bent of the steel pipe to be bent moves into the horizontal groove 442 of the positioning seat 44 which is reset by rotation, the motor 223 is turned off, the belt wheel 331 and the detection plate 312 stop rotating, and the first infrared sensor 51 cannot detect the detection plate 312; the control panel will time to a set time length, so that the second rotary cylinder 46 drives the pressing plate 45 to rotate and press the steel pipe in the horizontal groove 442.
The implementation principle of the automatic pipe bending equipment in the embodiment of the application is as follows: in the process of processing the steel pipe, when the motor 223 drives the rotating roller 221 to rotate, the first belt 222 and the rotating wheel 31 will convey the steel pipe together, the belt wheel 331 and the detection plate 312 will rotate, the first infrared sensor 51 will detect the rotating detection plate 312 and send a timing signal to the control panel, and the control panel will start timing.
When the part to be bent of the steel pipe penetrates through the arc-shaped groove 441 and moves into the horizontal groove 442, the motor 223 is turned off, the belt wheel 331 and the detection plate 312 stop rotating, the first infrared sensor 51 cannot detect the detection plate 312, and the control panel controls the second rotary oil cylinder 46 to drive the pressing plate 45 to rotate and press the steel pipe in the horizontal groove 442; the infrared receiver 53 receives the infrared rays emitted by the first infrared sensor 51 and sends a bending signal to the control panel, and the control panel controls the first rotary cylinder 42 to drive the rotating plate 43 to rotate, so that the steel pipe is bent.
The second infrared sensor 54 detects a bent steel pipe and sends a rotation signal to the control panel, the control panel controls the second rotary oil cylinder 46 to drive the pressing plate 45 to rotate and be away from the bent steel pipe, at the moment, the third infrared sensor 55 detects the pressing plate 45 and sends a conveying signal to the control panel, and the control panel drives the rotating roller 221 to rotate by the control motor 223, so that the first belt 222 is enabled to convey the steel pipe to be bent and the bent steel pipe.
After the bent pipe moves away from the track of the positioning seat 44 during the rotation reset, the fourth infrared sensor 56 detects the bent steel pipe and sends a reset signal to the control panel, and the control panel controls the first rotary cylinder 42 to drive the positioning seat 44 and the pressing plate 45 to rotate and reset. When the position to be bent of the steel pipe to be bent moves into the horizontal groove 442 of the positioning seat 44 which is reset by rotation, the motor 223 is turned off, the first infrared sensor 51 cannot detect the detection plate 312, and the control panel controls the second rotary oil cylinder 46 to drive the pressing plate 45 to rotate and press the steel pipe in the horizontal groove 442.
To sum up, this application has realized the automatic feeding of steel pipe, has bent and automatic unloading automatically, and the workman only needs to prepare material the steel pipe in serpentine channel 11 to manual collection bend the completion the steel pipe can, improved the efficiency of bending of steel pipe.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. An automatic pipe bending device is characterized in that: the bending device comprises a conveying mechanism (2) and a bending mechanism (4), wherein the conveying mechanism (2) comprises a support (21), a conveying belt (22) arranged on the support (21) and two limiting plates (23) respectively arranged on two sides of the conveying belt (22), the conveying belt (22) is horizontally arranged, and the two limiting plates (23) are arranged on the support (21) and are clamped on a steel pipe on the conveying belt (22) together; the bending mechanism (4) comprises a base (41) arranged at the output end of the conveyor belt (22), a first rotary oil cylinder (42) arranged on the base (41), a rotating plate (43) arranged on an output shaft of the first rotary oil cylinder (42), a positioning seat (44) arranged on the rotating plate (43) and a second rotary oil cylinder (46), the output shaft of the first rotary oil cylinder (42) extends along the vertical direction, the output shaft of the second rotary oil cylinder (46) extends along the horizontal direction, and a pressing plate (45) used for pressing the steel pipe on the positioning seat (44) is arranged on the output shaft of the second rotary oil cylinder (46).
2. The automatic pipe bending apparatus according to claim 1, wherein: the conveying mechanism (3) is positioned between the conveying belt (22) and the first rotating oil cylinder (42), and the conveying mechanism (3) comprises two rotating wheels (31) clamped on the steel pipe together and a driving assembly (33) for driving the two rotating wheels (31) to synchronously and reversely rotate.
3. The automatic pipe bending apparatus according to claim 2, wherein: the conveying belt (22) comprises two rotating rollers (221) rotatably connected to the support (21), a first belt (222) sleeved on the two rotating rollers (221) and a motor (223) arranged on the support (21), and an output shaft of the motor (223) is connected to one of the rotating rollers (221); the two rotating wheels (31) are rotatably connected to the bracket (21) through rotating shafts (32), and the two rotating wheels (31) are respectively positioned on the upper side and the lower side of the steel pipe; the driving component (33) comprises two belt wheels (331) which are respectively sleeved on one of the rotating rollers (221) and the lower rotating shaft (32), a second belt (332) which is sleeved on the two belt wheels (331), and two gears (333) which are respectively sleeved on the two rotating shafts (32), and the two gears (333) are mutually meshed.
4. The automatic pipe bending apparatus according to claim 3, wherein: the device is characterized by further comprising a control mechanism (5), wherein the control mechanism (5) comprises a control panel and a first infrared sensor (51) arranged on the support (21), and the first infrared sensor (51) and the second rotary oil cylinder (46) are both coupled to the control panel; one belt wheel (331) is provided with a detection plate (312) for detecting the first infrared sensor (51);
when the first infrared sensor (51) detects the detection plate (312), the first infrared sensor (51) sends a timing signal to the control panel, the control panel starts timing, when the control panel times to a set time length, the control panel controls the output shaft of the second rotary oil cylinder (46) to rotate by a specified angle, so that the pressing plate (45) presses the steel pipe on the positioning seat (44), and the set time length is longer than the time length required by one rotation of the belt wheel (331); when the control panel receives the timing signal sent by the first infrared sensor (51) again, the control panel restarts timing.
5. The automatic pipe bending apparatus according to claim 4, wherein: the control mechanism (5) further comprises an infrared emitter (52) arranged on the positioning seat (44) and an infrared receiver (53) arranged on the pressing plate (45), and the infrared receiver (53) and the first rotating oil cylinder (42) are both coupled to the control panel;
when the steel pipe is pressed tightly on the positioning seat (44) by the pressing plate (45), the infrared receiver (53) receives infrared rays emitted by the first infrared sensor (51), the infrared receiver (53) sends bending signals to the control panel, and the control panel controls the output shaft of the first rotary oil cylinder (42) to rotate by a specified angle.
6. The automatic pipe bending apparatus according to claim 5, wherein: the control mechanism (5) further comprises a second infrared sensor (54) arranged on the base (41), and the second infrared sensor (54) is coupled to the control panel;
when the second infrared sensor (54) detects the bent steel pipe, the second infrared sensor (54) sends a rotation signal to the control panel, the control panel controls the output shaft of the second rotary oil cylinder (46) to rotate by a specified angle, and at the moment, the pressing plate (45) resets in rotation and is separated from the motion track of the bent steel pipe when being conveyed by the conveyor belt (22).
7. The automatic pipe bending apparatus according to claim 6, wherein: the control mechanism (5) further comprises a third infrared sensor (55) arranged on the base (41), and the third infrared sensor (55) and the motor (223) are both coupled to the control panel;
when the third infrared sensor (55) detects the pressing plate (45) deviated from the motion trail of the bent steel pipe, the third infrared sensor (55) sends a conveying signal to the control panel, and the control panel rotates the output shaft of the control motor (223) for a specified number of turns.
8. The automatic pipe bending apparatus according to claim 7, wherein: the control mechanism (5) further comprises a fourth infrared sensor (56) arranged on the base (41), and the fourth infrared sensor (56) is coupled to the control panel;
after the fourth infrared sensor (56) detects the bent steel pipe deviated from the rotating track of the positioning seat (44), the fourth infrared sensor (56) sends a reset signal to the control panel, and the control panel controls the output shaft of the first rotating oil cylinder (42) to rotate by a specified angle, so that the positioning seat (44) rotates and resets.
CN202110373615.9A 2021-04-07 2021-04-07 Automatic pipe bending equipment Pending CN113059041A (en)

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Application publication date: 20210702