CN111672976A - Automatic production line for bent pipes - Google Patents
Automatic production line for bent pipes Download PDFInfo
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- CN111672976A CN111672976A CN202010470563.2A CN202010470563A CN111672976A CN 111672976 A CN111672976 A CN 111672976A CN 202010470563 A CN202010470563 A CN 202010470563A CN 111672976 A CN111672976 A CN 111672976A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 239000000463 material Substances 0.000 claims abstract description 58
- 238000003466 welding Methods 0.000 claims abstract description 26
- 238000007599 discharging Methods 0.000 claims abstract description 18
- 238000005520 cutting process Methods 0.000 claims abstract description 17
- 238000007493 shaping process Methods 0.000 claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 claims description 25
- 238000005452 bending Methods 0.000 claims description 19
- 238000003825 pressing Methods 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 12
- 230000007306 turnover Effects 0.000 claims description 9
- 210000000078 claw Anatomy 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 230000000007 visual effect Effects 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 13
- 230000007547 defect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 244000023431 Proboscidea parviflora Species 0.000 description 1
- 235000019096 Proboscidea parviflora Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, 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
- B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, 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
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/026—Combination of two or more feeding devices provided for in B21D43/04 - B21D43/18
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, 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
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, 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
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/18—Advancing work in relation to the stroke of the die or tool by means in pneumatic or magnetic engagement with the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, 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
- B21D43/20—Storage arrangements; Piling or unpiling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, 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
- B21D43/28—Associations of cutting devices therewith
- B21D43/282—Discharging crop ends or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses an automatic production line for bent pipes, which comprises a straight circular pipe feeding device, a bent pipe device, a cutting device, a bent pipe shaping device, a pipe end necking device and a discharging frame which are sequentially distributed in an annular shape, wherein an operation mechanism is arranged in an annular space, and the straight circular pipe feeding device comprises a single pipe conveying mechanism, a welding line adjusting mechanism and a pushing mechanism. The circularly distributed automatic production line is reasonable in layout and automatic in whole process, the matching process among the stations is efficient, and the requirement on arrangement space is reduced. The direct supply design is adopted between the feeding and the bent pipe, the tide alternation requirement between the feeding bent pipe operation and the subsequent station switching processing operation is met, and the processing efficiency is obviously improved. The straight circular tube feeding device integrates the functions of material operation, material arraying, welding seam adjustment, port oiling and material pushing, is ingenious in design, reduces the matching operation time, and is efficient and smooth in operation. The particular mechanical jaw design meets the need for a stable grip of the formed elbow.
Description
Technical Field
The invention relates to an automatic production line for bent pipes, and belongs to the technical field of automatic equipment.
Background
The bending pipe is bent by adopting a complete set of bending equipment and is divided into two processes of cold bending and hot pushing. No matter which kind of machine equipment and pipeline, the elbow pipe is mostly used for oil transportation, gas transportation, liquid transportation, engineering bridge construction and the like.
At present, the cold-bending elbow has a plurality of forming processes, including inside fat liquoring of return bend, return bend shaping, tip cutting, return bend plastic, tip throat etc. in traditional return bend preparation, mostly adopt the manual work, carry out the work piece turnover through the manual work promptly and carry out the shaping operation in each former. The operation intensity is great, and the human cost is higher, and production efficiency is lower.
The existing automatic production line design to the return bend shaping, carry out the turnover of straight pipe work piece between each equipment through the multiaxis arm promptly to satisfy the automated molding demand, reduced the human cost, improved the operating efficiency.
However, the traditional automatic production line has more defects: firstly, at least two groups of mechanical arms are required to be used for turnover, namely one mechanical arm is used for operation between straight circular tube feeding and bent tube forming, and the other mechanical arm is used for clamping a bent tube to operate between cutting, shaping, necking and discharging; its two, straight pipe pile up in the material cabin, pile up between the straight pipe and lean on, the gripper of arm hardly realizes snatching of single straight pipe, needs carry out the operation of single straight pipe separation through the manual work promptly, and operation intensity is still very big, is unfavorable for the automated production demand. Third, there is the axial linearity welding seam on the straight pipe, and there is specific demand to the welding seam orientation when buckling, consequently still need carry out artifical welding seam counterpoint before the gripper snatchs, counterpoint precision directly influences the product percent of pass. Fourthly, the mechanical arm adopts the double-claw design aiming at the straight round tube, the deflection is easily generated in the operation process of the bent tube to influence the product precision, and the clamping force is increased to overcome the condition that the rotating torque force has clamping deformation.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides an automatic production line for bent pipes, aiming at the problems of various defects in the traditional automation.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an automatic production line of bent pipes comprises a straight circular pipe feeding device, a pipe bending device, a cutting device, a bent pipe shaping device, a pipe end necking device and a discharging frame which are sequentially distributed in an annular shape, wherein a running mechanism used for clamping the bent pipes from the pipe bending device and carrying out bent pipe turnover among the cutting device, the bent pipe shaping device, the pipe end necking device and the discharging frame is arranged in an annular space,
wherein the straight circular tube feeding device comprises a single tube conveying mechanism, a welding seam adjusting mechanism and a pushing mechanism used for pushing the straight circular tube into the pipe bending equipment after the welding seam position on the welding seam adjusting mechanism is adjusted,
the bent pipe formed in the pipe bending equipment is provided with a right-angled part, the operation mechanism comprises a mechanical arm and a mechanical clamping jaw arranged on the driving end of the mechanical arm, and the mechanical clamping jaw comprises two claw parts, the axes of which form a right angle, of a clamping channel.
Preferably, the single-pipe conveying mechanism comprises a straight circular pipe storage rack, an array material rack and a material operation part for switching, shifting and taking materials between the top of the straight circular pipe storage rack and the top of the array material rack, and the material bearing part is arranged at the discharge end of the array material rack.
Preferably, the material arranging frame comprises an inclined arranging guide bottom plate and a discharging mechanism arranged at the top of the inclined arranging guide bottom plate and used for releasing or stopping the straight round tubes, the material bearing part is arranged at the bottom of the discharging end of the inclined arranging guide bottom plate and comprises a plurality of material bearing piles arranged at intervals, and space is formed between the material bearing piles.
Preferably, the material operation portion comprises an electromagnetic adsorption seat which is used for switching displacement between the top of the straight circular tube storage rack and the top of the whole row of material racks, and the electromagnetic adsorption seat is used for lifting and picking up the material.
Preferably, the welding seam adjusting mechanism comprises a base frame main body, wherein a straight circular tube supporting part, a rotary driving part, a running part used for running a straight circular tube on the single tube conveying mechanism to the straight circular tube supporting part and a pressing part used for pressing and pasting the straight circular tube on the rotary driving part are arranged on the base frame main body, a visual sensor used for detecting a welding seam is arranged on the pressing part, and the visual sensor is in communication connection with the rotary driving part.
Preferably, the straight circular tube supporting part comprises a plurality of supporting piles axially distributed at intervals along the straight circular tube, the circular tube has free rotary displacement on the supporting piles, the rotary driving part is arranged between the adjacent supporting piles,
the pressing part is arranged on the top of the rotary driving part and is vertically opposite to the rotary driving part, and the pressing part comprises a follow-up roller set used for being pressed on a round pipe.
Preferably, the pushing mechanism comprises a linear rail arranged on the base frame main body and a pushing sliding seat arranged on the linear rail, a pushing part used for abutting against the shaft end of the straight circular pipe is arranged on the pushing sliding seat, and a conveying guide wheel is arranged at the top of the supporting pile.
Preferably, the discharge end of bed frame main part is equipped with the fuel sprayer mechanism that possesses the pivot displacement, fuel sprayer mechanism possesses the nozzle and the straight pipe axial relative oil spout butt joint displacement and is used for the dodging displacement of pay-off dodge.
Preferably, the two claw parts of the mechanical clamping jaw are respectively provided with an opening and closing driving source, the mechanical clamping jaw is provided with a linkage control mechanism for synchronously controlling the two opening and closing driving sources,
the linkage control mechanism comprises a linkage telescopic driving source, the telescopic end of the linkage telescopic driving source is provided with two horizontal push rod parts which are connected with each other through pivots, the opening and closing driving source is provided with a trigger switch seat, the horizontal push rod parts are matched with the trigger switch seats in a one-to-one correspondence manner, and the horizontal push rod parts move synchronously and horizontally in opposite directions of displacement.
Preferably, the cutting apparatus is a servo double-knife pipe cutter.
The invention has the following beneficial effects:
1. the automatic production line of annular distribution is rationally distributed, and full automation operation, cooperation flow is high-efficient between each station, and has reduced and has arranged the space demand.
2. The direct supply design is adopted between the feeding and the bent pipe, the tide alternation requirement between the feeding bent pipe operation and the subsequent station switching processing operation is met, and the processing efficiency is obviously improved.
3. The straight circular tube feeding device integrates the functions of material operation, material arraying, welding seam adjustment, port oiling and material pushing, is ingenious in design, reduces the matching operation time, and is efficient and smooth in operation.
4. The design of mechanical clamping jaw satisfies the stable demand of grabbing to the shaping return bend specifically, has improved the return bend machining precision, and the product percent of pass obtains great promotion.
Drawings
FIG. 1 is a schematic view of the overall structure of the automated production line for bent pipes according to the present invention.
FIG. 2 is a schematic view showing the structure of the apparatus for supplying flat round tubes according to the present invention.
FIG. 3 is a schematic front view of the feeding device for straight round tubes of the present invention.
Fig. 4 is a schematic structural view of the single-tube conveying mechanism in the invention.
FIG. 5 is a schematic view of the structure of the weld adjusting mechanism according to the present invention.
Fig. 6 is a schematic view of the mechanical jaw of the present invention.
Detailed Description
The invention provides an automatic production line for bent pipes. The technical solution of the present invention is described in detail below with reference to the accompanying drawings so that it can be more easily understood and appreciated.
An automatic elbow pipe production line, as shown in fig. 1, includes a straight circular pipe feeding device 10, an elbow pipe device 20, a cutting device 30, an elbow pipe shaping device 40, a pipe end necking device 50, and a discharging frame 60, which are sequentially distributed in an annular shape, and an operation mechanism 70 for clamping an elbow pipe from the elbow pipe device 20 and performing elbow pipe turnover among the cutting device 30, the elbow pipe shaping device 40, the pipe end necking device 50, and the discharging frame 60 is arranged in an annular space.
As shown in fig. 2 and 3, the straight circular tube feeding device 10 includes a single tube conveying mechanism 1, a weld seam adjusting mechanism 2, and a pushing mechanism 3 for pushing the circular tube after the weld seam position adjustment on the weld seam adjusting mechanism 2 to the tube bending device.
The bent pipe molded in the pipe bending apparatus 20 has a right-angled portion, the operation mechanism 70 includes a robot arm and a mechanical clamping jaw 4 disposed at a driving end of the robot arm, and the mechanical clamping jaw 4 includes two claw portions 41 whose clamping channel axes are at right angles to each other.
The specific implementation process and principle description are as follows:
the material turnover of the bent pipe is easily realized by adopting the annular production line arrangement around the operation mechanism 70.
In the specific implementation process, firstly, the pipe material is loaded in the straight circular pipe feeding device 10, the single pipe conveying mechanism 1 conveys the single pipe to the welding seam adjusting mechanism 2, and after the welding seam adjusting mechanism 2 adjusts the orientation of the welding seam of the single pipe, the single pipe is pushed to the pipe bending equipment 20 by the pushing mechanism 3 to be bent.
After the pipe bending process, the operation mechanism 70 is used for grabbing the right-angled part, namely, the two pipe ends of the right-angled part are respectively grabbed by the two material claw parts 41, and the design is reliable and stable in operation.
After the fixed bent pipe is gripped and fixed by the operation mechanism 70, the finished product is discharged on the discharge frame 60 after sequentially passing through the cutting device 30, the bent pipe shaping device 40 and the pipe end necking device 50.
The cutting device 30 is used for cutting the pipe end, the bend pipe shaping device 40 is used for performing compression joint shaping on two outer edge ends of the bend pipe, the product shape precision is improved, and the pipe end necking device 50 is used for performing necking operation on two free end ports of the bend pipe.
It should be noted that the cutting device 30 in the present application is a servo double-blade pipe cutting machine, i.e., the end opening is cut and then flattened without a trimming station. The layout is more reasonable.
And traditional return bend shaping is carried out the multiaxis through a plurality of operating mechanism 70 and snatchs the switching station, has adopted the relative setting of push mechanism 3 and return bend equipment 20 in the present case, and push mechanism 3 can be with the pipe direct propelling movement after the welding seam is adjusted to the return bend track of return bend equipment 20 promptly, need not to adopt machinery to grab and carry out the material turnover, and it still possesses a bigger advantage: namely, the mechanical gripper for the straight pipe is not required to be adopted, and the design of the mechanical gripper 4 in the scheme can be adopted.
As shown in fig. 4, the single-tube conveying mechanism 1 includes a straight circular tube storage rack 11, an aligned material rack 12, and a material transporting portion 13 for switching, transferring, taking and discharging between the top of the straight circular tube storage rack and the top of the aligned material rack, and a material bearing portion 14 is disposed at a discharging end of the aligned material rack 12.
More finely, the material arranging frame 12 comprises an inclined arranging guide bottom plate 121 and a discharging mechanism 122 arranged at the top of the inclined arranging guide bottom plate and used for releasing or stopping the straight round pipe, the material bearing part 14 is arranged at the bottom of the discharging end of the inclined arranging guide bottom plate and comprises a plurality of material bearing piles arranged at intervals, and an interval space 141 is formed between the material bearing piles.
Further refine ground, this material operation portion 13 is including possessing the electromagnetic adsorption seat that switches the displacement between straight pipe storage frame top and permutation material frame top, and the electromagnetic adsorption seat possesses the lift and picks up the material displacement.
The specific implementation process and principle description are as follows:
the material storage of straight circular tubes is carried out in the straight circular tube storage rack 11, the materials in the straight circular tube storage rack are adsorbed by the electromagnetic adsorption seat and then released on the alignment guide bottom plate 121, the blanking is transported to the discharging mechanism 122 after being aligned on the alignment guide bottom plate 121, the discharging mechanism 122 carries out discharging of single tubes, and the single tubes fall on the material bearing part 14 to complete feeding of the single tubes.
And the flat round pipe on the material bearing part 14 is convenient for the mechanism on the welding seam adjusting mechanism 2 to carry out the turnover of the flat round pipe due to the existence of the space 141.
In one embodiment, as shown in fig. 5, the weld seam adjusting mechanism 2 includes a base frame body 21, a straight circular tube supporting portion 22, a rotation driving portion 23, an operation portion 24 for operating the straight circular tube on the single tube conveying mechanism 1 onto the straight circular tube supporting portion 22, and a pressing portion 25 for pressing the straight circular tube onto the rotation driving portion are disposed on the base frame body 21, and a visual sensor for detecting the weld seam is disposed on the pressing portion 25 and is in communication connection with the rotation driving portion.
More refine ground, straight pipe supporting part 22 includes along a plurality of support piles of straight pipe axial interval distribution, and the pipe possesses free rotary displacement on supporting the pile, and rotary driving portion sets up between adjacent support pile, presses the portion of pasting to set up in rotary driving portion's top and rotary driving portion to relative perpendicularly, presses the portion of pasting including the follow-up roller train that is used for the crimping on the pipe.
The specific implementation principle and process are described as follows:
the operation part 24 guides the straight circular tube on the material bearing part 14 to the straight circular tube supporting part 22 through the space 141, and the operation part 24 is realized by a rocker pivot mechanism.
After the straight round pipe is supported by the straight round pipe supporting part 22, the pressing part 25 presses down to enable the round pipe to be attached to the rotary driving part, the rotary driving part drives the round pipe to rotate to conduct welding line adjustment, the rotation is stopped when the visual sensor detects that the welding line is adjusted in place, and the pressing part 25 rises to release the round pipe. Thus realizing the angle adjustment of the welding seam.
In one embodiment, as shown in fig. 5, the pushing mechanism 3 includes a linear rail 31 disposed on the base frame body 21, a pushing slide 32 disposed on the linear rail 31, a pushing portion 33 disposed on the pushing slide 32 for abutting against the shaft end of the straight circular pipe, and a conveying guide wheel 221 disposed on the top of the supporting pile.
Specifically, the straight round tube is guided by the conveying guide wheel 221 and pushed into the tube bending apparatus 20 by the pushing portion 33 being linearly displaced relative to the axial end of the straight round tube.
In one embodiment, as shown in fig. 5, the discharge end of the base body 21 is provided with an oil nozzle mechanism 5 having a pivotal displacement, and the oil nozzle mechanism 5 has an oil injection abutting displacement in which the nozzle is axially opposed to the straight circular tube, and an avoidance displacement for feeding and avoiding. In this case, the pushing portion 33 is provided with a holder for holding the wall of the opening of the flat round pipe.
The specific implementation process and principle description are as follows:
after the completion is adjusted at straight pipe welding seam, the tip of propelling movement portion 33 linear displacement and straight pipe pastes mutually and leans on, and the holder grasps the pipe, oil nozzle mechanism 5 makes the nozzle opposite with straight pipe axial through pivot displacement, holder linear displacement drive pipe is connected with nozzle looks axial counterpoint this moment, the nozzle carries out the oil spraying operation, treat the nozzle operation and accomplish the back, holder linear reverse displacement separates pipe and nozzle, 5 pivot displacements to dodging displacement of oil nozzle mechanism, the holder is again with pipe propelling movement to return bend equipment 20 in this moment, so can realize the automatic alignment oil spout operation of pipe end.
In one embodiment, as shown in fig. 6, the two claw portions 41 of the mechanical gripper 4 are respectively provided with an opening and closing drive source 42, and the mechanical gripper 4 is provided with a linkage control mechanism 6 for synchronously controlling the two opening and closing drive sources.
The linkage control mechanism 6 comprises a linkage telescopic driving source 61, the telescopic end of the linkage telescopic driving source 61 is provided with two horizontal push rod parts 62 which are matched with each other through pivots, any opening and closing driving source is provided with a trigger switch seat, the horizontal push rod parts and the trigger switch seat are arranged in a one-to-one corresponding matching mode, and the two horizontal push rod parts move synchronously and are opposite in horizontal displacement direction.
Namely, the linkage control mechanism 6 which is mechanically designed meets the requirement of the joint drive of the two claw parts 41, the linkage control is stable and reliable, and the asynchronous phenomenon of the drive is not easy to generate.
According to the automatic production line for the bent pipe, the automatic production line which is distributed annularly is reasonable in layout, the whole process is automatic, the matching process among the stations is efficient, and the requirement on the arrangement space is reduced. The direct supply design is adopted between the feeding and the bent pipe, the tide alternation requirement between the feeding bent pipe operation and the subsequent station switching processing operation is met, and the processing efficiency is obviously improved. The straight circular tube feeding device integrates the functions of material operation, material arraying, welding seam adjustment, port oiling and material pushing, is ingenious in design, reduces the matching operation time, and is efficient and smooth in operation. The design of mechanical clamping jaw satisfies the stable demand of grabbing to the shaping return bend specifically, has improved the return bend machining precision, and the product percent of pass obtains great promotion.
The technical solutions of the present invention are fully described above, it should be noted that the specific embodiments of the present invention are not limited by the above description, and all technical solutions formed by equivalent or equivalent changes in structure, method, or function according to the spirit of the present invention by those skilled in the art are within the scope of the present invention.
Claims (10)
1. Automatic production line of return bend, its characterized in that:
comprises a straight circular tube feeding device, a pipe bending device, a cutting device, a pipe bending shaping device, a pipe end necking device and a discharging frame which are sequentially distributed in an annular shape, wherein an operation mechanism used for clamping a bent pipe from the pipe bending device and performing bent pipe turnover among the cutting device, the pipe bending shaping device, the pipe end necking device and the discharging frame is arranged in an annular space,
wherein the straight circular tube feeding device comprises a single tube conveying mechanism, a welding seam adjusting mechanism and a pushing mechanism used for pushing the straight circular tube into the pipe bending equipment after the welding seam position on the welding seam adjusting mechanism is adjusted,
the bent pipe formed in the pipe bending equipment is provided with a right-angled part, the operation mechanism comprises a mechanical arm and a mechanical clamping jaw arranged on the driving end of the mechanical arm, and the mechanical clamping jaw comprises two claw parts, the axes of which form a right angle, of a clamping channel.
2. The automatic production line for bent pipes according to claim 1, wherein:
the single-pipe conveying mechanism comprises a straight circular pipe storage rack, an array material rack and a material operation part for switching, shifting and taking materials between the top of the straight circular pipe storage rack and the top of the array material rack, and the material bearing part is arranged at the discharge end of the array material rack.
3. The automatic production line for bent pipes according to claim 2, wherein:
the whole-row material frame comprises an inclined whole-row guide bottom plate and a discharging mechanism arranged at the top of the inclined whole-row guide bottom plate and used for releasing or stopping a straight round pipe, the material bearing part is arranged at the bottom of the discharge end of the inclined whole-row guide bottom plate and comprises a plurality of material bearing piles arranged at intervals, and a spacing space is formed between the material bearing piles.
4. The automatic production line for bent pipes according to claim 2, wherein:
the material operation portion comprises an electromagnetic adsorption seat which is provided with a straight circular tube storage rack top portion and an alignment material rack top portion, and the electromagnetic adsorption seat is provided with a lifting material picking displacement portion.
5. The automatic production line for bent pipes according to claim 1, wherein:
the welding seam adjusting mechanism comprises a base frame main body, wherein a straight circular tube supporting part, a rotary driving part, a running part and a pressing part are arranged on the base frame main body, the running part is used for running a straight circular tube on the single tube conveying mechanism to the straight circular tube supporting part, the pressing part is used for pressing and pasting the straight circular tube on the rotary driving part, a visual sensor used for detecting a welding seam is arranged on the pressing part, and the visual sensor is in communication connection with the rotary driving part.
6. The automatic production line for bent pipes according to claim 5, wherein:
the straight circular tube supporting part comprises a plurality of supporting piles which are distributed at intervals along the axial direction of the straight circular tube, the circular tube has free rotary displacement on the supporting piles, the rotary driving part is arranged between the adjacent supporting piles,
the pressing part is arranged on the top of the rotary driving part and is vertically opposite to the rotary driving part, and the pressing part comprises a follow-up roller set used for being pressed on a round pipe.
7. The automatic production line for bent pipes according to claim 6, wherein:
the pushing mechanism comprises a linear rail arranged on the base frame body and a pushing sliding seat arranged on the linear rail, a pushing portion used for being abutted to the shaft end of the straight circular tube is arranged on the pushing sliding seat, and a conveying guide wheel is arranged at the top of the supporting pile.
8. The automatic production line for bent pipes according to claim 7, wherein:
the discharge end of bed frame main part is equipped with the fuel sprayer mechanism that possesses the pivot displacement, fuel sprayer mechanism possesses the nozzle and straight pipe axial relative oil spout butt joint displacement and is used for the dodging displacement of pay-off dodge.
9. The automatic production line for bent pipes according to claim 1, wherein:
the two material claw parts of the mechanical clamping jaw are respectively provided with an opening and closing driving source, the mechanical clamping jaw is provided with a linkage control mechanism for synchronously controlling the two opening and closing driving sources,
the linkage control mechanism comprises a linkage telescopic driving source, the telescopic end of the linkage telescopic driving source is provided with two horizontal push rod parts which are connected with each other through pivots, the opening and closing driving source is provided with a trigger switch seat, the horizontal push rod parts are matched with the trigger switch seats in a one-to-one correspondence manner, and the horizontal push rod parts move synchronously and horizontally in opposite directions of displacement.
10. The automatic production line for bent pipes according to claim 1, wherein:
the cutting equipment is a servo double-cutter pipe cutting machine.
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CN116197661A (en) * | 2023-02-02 | 2023-06-02 | 长恩精机(长兴)有限公司 | Straight-through pipe end forming treatment production line and process thereof |
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