CN108421862A - 3 D auto bending forming bending machine - Google Patents

3 D auto bending forming bending machine Download PDF

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Publication number
CN108421862A
CN108421862A CN201810101918.3A CN201810101918A CN108421862A CN 108421862 A CN108421862 A CN 108421862A CN 201810101918 A CN201810101918 A CN 201810101918A CN 108421862 A CN108421862 A CN 108421862A
Authority
CN
China
Prior art keywords
platform
moving platform
ball
screw
elbow
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.)
Withdrawn
Application number
CN201810101918.3A
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Chinese (zh)
Inventor
岳振明
李玉森
曹可
高军
戚嘉硕
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Shandong University
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Shandong University
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Filing date
Publication date
Application filed by Shandong University filed Critical Shandong University
Priority to CN201810101918.3A priority Critical patent/CN108421862A/en
Publication of CN108421862A publication Critical patent/CN108421862A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B21D11/00Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • 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
    • B21D11/00Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/06Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form

Abstract

The invention discloses a kind of 3 D auto bending forming bending machines, belong to metal complex component advanced manufacturing technology field.The 3 D auto bending forming bending machine includes fixed frame, propulsive mechanism, stent, elbow mobile mechanism and elbow deflection mechanism, wherein:The propulsive mechanism includes the first ball-screw, and first ball-screw is equipped with clamping device, and the clamping device is equipped with the first tube passage, and the stent is equipped with the second tube passage;The elbow mobile mechanism includes moving platform, and circular through-hole is provided on the moving platform, and movement is equipped between the moving platform and fixed frame and transmits branch;The elbow deflection mechanism is arranged in the outside of the moving platform, and the elbow deflection mechanism includes tilt platform, and the tilt platform is equipped with third heavy connection of pipe, and driving mechanism is equipped between the tilt platform and moving platform.The present invention need not replace bending mould, so that it may realize that complex space bend pipe free bend shapes, production efficiency is high.

Description

3 D auto bending forming bending machine
Technical field
The present invention relates to metal complex component advanced manufacturing technology fields, and it is curved to particularly relate to a kind of 3 D auto bending forming Pipe machine.
Background technology
Since fitting structure has preferable strength and stiffness performance, and at the same time with preferable forming performance, Therefore complex space bool is in many necks such as aerospace, nuclear power, automobile, naval vessel, petrochemical industry, building and other civilian industries Domain has a wide range of applications.Currently, the steric configuration of metal bending part is also gradually complicated, the axis form of bool is from planar shaped Formula is gradually evolved into space form, and possessed bending radius number also gradually increases in the same bool, to traditional bending Forming technique and equipment form huge challenge.
Traditional metal component bending forming technology for example curved pressure stretch bending, goes for a stroll, pushes away curved and derived by above-mentioned basic technology Bending process out etc. needs constantly to replace bending mould according to bending radius when bending bent the bend pipe of bilge radius, greatly Reduce production efficiency.In addition, when curved using the above tradition bent tube technique curved space, the curved 3-d modelling in space is by many Limitation, cannot achieve the high-precision bending forming of complicated metal works, for bent bilge radius, axis as plane or space curve Complicated metal component, the above tradition bending method cannot achieve disposable high-precision and shapes.
To sum up, the bool configuration that conventional bending forming technique can process is simple, cannot process complex space bool, And bending die need to be constantly replaced according to differently curved radius, it is low, of high cost to shape efficiency.
Invention content
The technical problem to be solved in the present invention is to provide a kind of 3 D auto bending forming bending machines, need not replace curved Bent mold, so that it may realize that complex space bend pipe free bend shapes, production efficiency is high.
In order to solve the above technical problems, present invention offer technical solution is as follows:
A kind of 3 D auto bending forming bending machine, including fixed frame, propulsive mechanism, stent, elbow mobile mechanism and Elbow deflection mechanism, wherein:
The propulsive mechanism includes the first ball-screw being arranged in the middle part of the fixed frame, first ball-screw One end is plugged in the fixed frame, and the other end extends the outside of the fixed frame, and the stent is arranged described first The end of the ball-screw other end is provided with clamping device on first ball-screw, folder is provided on the clamping device First tube passage of tight pipe fitting is provided with the second tube passage in the stent;
The elbow mobile mechanism includes the moving platform being arranged on the outside of the stent, and circle is provided on the moving platform Shape open-work, being provided between the moving platform and fixed frame can be such that the moving platform is transmitted along the movement that space any direction translates Branch;
The elbow deflection mechanism is arranged in the outside of the moving platform, and the elbow deflection mechanism includes that pipe fitting can be made real The tilt platform of existing space any angle bending, is provided with third heavy connection of pipe on the tilt platform, the tilt platform with The driving mechanism that the tilt platform can be made to deflect is provided between moving platform;
The axis of first tube passage, the second tube passage, circular through-hole and third tube passage described in when original state On same straight line.
Further, it includes 3 groups of UPU movement branched chains in parallel that branch is transmitted in the movement, wherein:
The UPU movement branched chains include the second ball wire being arranged between the fixed frame side and the moving platform Thick stick is provided with and the matched mobile slide bar of second ball-screw, second ball wire on second ball-screw Thick stick is connect with fixed frame by the first universal joint, and the mobile slide bar is connect with moving platform by the second universal joint.
Further, the driving mechanism includes the gear drive being arranged on the moving platform end face, the tooth Wheel drive mechanism includes first gear and the turntable that is meshed with the first gear, is provided on the end face of the turntable Be used to support the mounting bracket of the tilt platform, be provided on the mounting bracket rotation axis for driving tilt platform deflection and The first deflection motor of the rotation axis rotation is driven, the second of the driving first gear rotation is provided on the moving platform Deflection motor.
Further, it is provided with the external tooth being meshed with the first gear on the outside of the circumferencial direction of the turntable, 1/2 week external tooth is provided on the turntable.
Further, the clamping device includes and the matched promoting slider of the first ball-screw, the propulsion Compact heap is provided on sliding block, the promoting slider is bolted to connection with compact heap, the promoting slider and compact heap On be both provided with groove for installing pipe fitting, it is logical to form first pipe fitting after the promoting slider and the combination on compact heap Road.
Further, the supporting sleeve alternatively for being socketed pipe fitting, the tilt platform are provided in the stent It is inside provided with alternatively for being socketed the flex housing of pipe fitting, the end of the supporting sleeve and/or flex housing is set as cambered surface.
Further, it is provided with supporting rack on the fixed frame, is provided on support frame as described above for being slided to the propulsion The guide rail that block play the guiding role.
Further, the stent uses hexagonal prisms.
The invention has the advantages that:
The 3 D auto bending forming bending machine of the present invention is simple in structure, easy to operate, can change without bending die is needed to change Bilge radius is bent, the radius bend that buckles, the angle that buckles bending, helically bent, curvature of space can be easily carried out Etc. the forming of a variety of spatial complex bent members, difference could be realized by avoiding conventional bending forming technique and needing replacing bending die The defect of radius substantially increases the efficiency of processing bending complex component, in aerospace, nuclear power, automobile, naval vessel, petrochemical industry, builds It builds and the numerous areas such as other civilian industries has important engineering application value and apparent economic benefit.
Description of the drawings
Fig. 1 is the structural schematic diagram of the 3 D auto bending forming bending machine of the present invention;
Fig. 2 is the structural schematic diagram of the stent of the 3 D auto bending forming bending machine of the present invention;
Fig. 3 is the structural schematic diagram of the elbow mobile mechanism of the 3 D auto bending forming bending machine of the present invention;
Fig. 4 is the structural schematic diagram of the elbow deflection mechanism of the 3 D auto bending forming bending machine of the present invention;
Fig. 5 is the movement structure schematic diagram of the elbow deflection mechanism of the 3 D auto bending forming bending machine of the present invention;
Fig. 6 is the structural schematic diagram that embodiment is spatially spiral bend pipe;
Fig. 7 is the structural schematic diagram of the pipe fitting bending forming principle of the 3 D auto bending forming bending machine of the present invention;
Fig. 8-Figure 12 is curved in the every step of processing space spiral bending tube of the 3 D auto bending forming bending machine of the present invention The corresponding status diagram of head deflection mechanism, the figure (a) in wherein Fig. 9-Figure 12 are the status diagram of turntable, and figure (b) is The status diagram of tilt platform.
Specific implementation mode
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool Body embodiment is described in detail.
The present invention provides a kind of 3 D auto bending forming bending machine, as shown in figs. 1-12, including fixed frame 1, pusher Structure 2, stent 3, elbow mobile mechanism 4 and elbow deflection mechanism 5, wherein:
Propulsive mechanism 2 includes the first ball-screw 2-1 being arranged at 1 middle part of fixed frame, one end of the first ball-screw 2-1 It is plugged in fixed frame 1, the other end extends the outside of fixed frame 1, and stent 3 is arranged in the first ball-screw 2-1 other ends End, be provided with clamping device on the first ball-screw 2-1, be provided on clamping device clamp pipe fitting the first pipe fitting it is logical Road is provided with the second tube passage 3-1 in stent 3;
Elbow mobile mechanism 4 includes the moving platform 4-1 being arranged in 3 outside of stent, is provided on moving platform 4-1 round saturating Hole 4-11, being provided between moving platform 4-1 and fixed frame 1 can be such that moving platform 4-1 is transmitted along the movement that space any direction translates Branch;
Elbow deflection mechanism 5 is arranged in the outside of moving platform 4-1, and elbow deflection mechanism 5 includes that pipe fitting can be made to realize space It is provided with third heavy connection of pipe 5-11, tilt platform 5-1 on the tilt platform 5-1 of any angle bending, tilt platform 5-1 and moves The driving mechanism that tilt platform 5-1 can be made to deflect is provided between platform 4-1;
First tube passage, the second tube passage 3-1, circular through-hole 4-11 and third tube passage 5-11 when original state Axis on same straight line.
The 3 D auto bending forming bending machine of the present invention includes fixed frame, propulsive mechanism, stent, elbow mobile mechanism With elbow deflection mechanism, wherein the moving platform in elbow mobile mechanism, can be along X-axis, Y-axis under the action of branch is transmitted in movement Or Z-direction movement, to realize the translation on any direction of space;Tilt platform in elbow deflection mechanism on the one hand can It is translated under the action of moving platform, on the other hand can realize that space deflects at any angle under the action of driving mechanism; The arbitrary transformation of differently curved radius and bending angle can be achieved under the interaction of moving platform and tilt platform.In use, Original state is that the axis of the first tube passage, the second tube passage, circular through-hole and third tube passage is straight in same On line;Pipe fitting to be processed is embedded in the first tube passage of clamping device, under the first ball-screw conveying effect, is waited for first Processing pipe fitting sequentially passes through the circular through-hole of the second tube passage of stent, moving platform, finally enters the third of tilt platform In tube passage;Then according to processing needs, branch is transmitted by drive motion, the offset of moving platform is adjusted, deflects at this time Platform translates simultaneously under the action of moving platform, and then, by controlling driving mechanism, adjusts the amount of deflection of tilt platform, makes The deflection angle for obtaining tilt platform reaches preset value;After tilt platform location determination, elbow mobile mechanism and elbow deflection mechanism are solid Fixed motionless, propulsive mechanism is with certain speed by pipe fitting forward impelling, you can processes the pipe fitting of required shape.
To sum up, 3 D auto bending forming bending machine of the invention is simple in structure, easy to operate, and nothing needs to change bending die i.e. Changeable bending radius, can be easily carried out the radius bend that buckles, the angle that buckles bending, helically bent, space The forming of a variety of spatial complex bent members such as bending, avoiding conventional bending forming technique and needing replacing bending die could realize The defect of different radii substantially increases the efficiency of processing bending complex component, in aerospace, nuclear power, automobile, naval vessel, stone The numerous areas such as change, building and other civilian industries have important engineering application value and apparent economic benefit.
Preferably, it includes 3 groups of UPU movement branched chains in parallel that branch is transmitted in movement, wherein:UPU movement branched chains include setting It is provided on the second ball-screw 4-2, the second ball-screw 4-2 between 1 side of fixed frame and moving platform 4-1 and the second rolling Ballscrew 4-2 matched mobile slide bar 4-3, the second ball-screw 4-2 are connect with fixed frame 1 by the first universal joint 4-4, are moved Moving slide-bar 4-3 is connect with moving platform 4-1 by the second universal joint 4-5.Second ball-screw forms prismatic pair P with mobile sliding block, First universal joint and the second universal joint are two U pairs, to form UPU movement branched chains;Driving of second ball-screw in motor The lower rotation of effect, drives mobile slide bar movement, mobile slide bar being total in the second ball-screw, the first universal joint and the second universal joint Translation of the moving platform on any direction of space can be driven under same-action.
Further, driving mechanism includes the gear drive being arranged on the end faces moving platform 4-1, gear drive Including first gear 5-2 and the turntable 5-3 being meshed with first gear 5-2, drives of the turntable 5-3 in first gear 5-2 Under can be rotated around moving platform 4-1 axis, the mounting bracket 5- for being used to support tilt platform 5-1 is provided on the end face of turntable 5-3 The first deflection motor of the rotation axis and driving rotation axis rotation of the 5-1 deflections of driving tilt platform is provided on 4, mounting bracket 5-4 The second deflection motor of driving first gear 5-2 rotations is provided on 5-5, moving platform 4-1.Second deflection motor drives the first tooth Wheel rotation, turntable due to engage with first gear together with rotate, and then make tilt platform generation deflection about the z axis;First partially Rotating motor can directly control tilt platform and be deflected at any angle in two dimensional surface, in being total to for the first, second deflection motor Tilt platform can be achieved under same-action to deflect at any angle in space.
In order to simplify structure, manufacturing cost is reduced, 1/2 Zhou Yu is preferably provided on the outside of the circumferencial direction of turntable 5-3 The external tooth 5-31 that one gear 5-2 is meshed.It is connected by revolute between turntable and moving platform, i.e., turntable can be around moving platform Axis rotation, the external tooth ranging from 180 degree of turntable, this is because 180 degree can be met the requirements, therefore need not be complete by excircle It is processed into tooth in portion.As shown in figure 5, from figure a to figure b, the first deflection motor is motionless, and only the second deflection motor controls turntable rotation 180 degree;From figure b to figure c, the motionless i.e. turntable of the second deflection motor is motionless, and the first deflection motor control deflection platform deflects into Another side;From figure c to figure d, the first deflection motor is motionless, and the second deflection motor control turntable has rotated 180 degree;From figure a to Figure b realizes deflection (as shown in figure e) i.e. a → e → b of deflection platform first half 180 degree;Lower half is realized from figure c to figure d Deflection (as shown in figure f) i.e. c → f → d of 180 degree, therefore the gear teeth of 180 degree can be achieved with the deflection in space, need not will revolve All it is processed into gear in turntable periphery.
Further, clamping device includes and the matched promoting slider 2-2 of the first ball-screw 2-1, promoting slider 2-2 On be provided with compact heap 2-3, promoting slider 2-2 is bolted to connection with compact heap 2-3, promoting slider 2-2 and compact heap The groove for installing pipe fitting is both provided on 2-3, promoting slider 2-2 forms first after being combined with the groove on compact heap 2-3 Tube passage.In use, pipe fitting to be processed is put into the groove of promoting slider first, then compact heap and propulsion are slided Block matches, and being fixedly connected for compact heap and promoting slider is realized by bolt, to realize that the compression to pipe fitting to be processed is made With after compressing pipe fitting to be processed, the first ball screw turns of driving, promoting slider is realized under the action of the first ball-screw Conveying to pipe fitting to be processed.
As an improvement of the present invention, the supporting sleeve 3-2 alternatively for being socketed pipe fitting is provided in stent 3, It is provided in tilt platform 5-1 alternatively for being socketed the flex housing of pipe fitting, the end of supporting sleeve 3-2 and/or flex housing is set It is set to cambered surface 3-21.By replacing the supporting sleeve and flex housing of different-diameter, the pipe fitting of different-diameter can be processed, the present invention is expanded The scope of application;In order to ensure the machining accuracy and processing quality of pipe fitting, it sets the end of supporting sleeve and/or flex housing to arc Face.
In the present invention, in order to improve the stationarity of promoting slider 2-2 movement, ensure the machining accuracy of pipe fitting, on fixed frame 1 It is provided with supporting rack 1-1, supports the guide rail being provided on 1-1 framves for playing the guiding role to promoting slider 2-2.In addition, fixed Mould 3 uses hexagonal prisms;Prismatic pair in the present invention is all made of ball-screw apparatus, disclosure satisfy that pipe fitting in process by Power and rigidity requirement.
The 3 D auto bending forming bending machine of the present invention can process the spatial complex of arbitrary bending radius and bending angle Bending pipe fitting, below the aluminium-alloy pipe of diameter 15mm, wall thickness 2mm are processed into spatially spiral bend pipe (radius as shown in FIG. 6 From 50mm -65mm -80mm -100mm successively transition) for specifically introduce the present invention action process.
As shown in fig. 7, v is the distance between stent 3 and tilt platform 5-1, u is the offset of moving platform 4-1, and θ is The deflection angle of tilt platform 5-1, λ are the bending angle of pipe fitting, and R is the bending radius of pipe fitting.
Step 1:Pipe fitting to be processed is embedded in the first tube passage of clamping device, in the first ball-screw 2-1 conveyings Under effect, pipe fitting to be processed sequentially passes through the circular through-hole 4-11 of the second tube passage 3-1 of stent 3, moving platform 4-1, most Enter in the third tube passage 5-11 of tilt platform 5-1 afterwards;
Step 2:Radius of machining is the spatially spiral pipe of the parts 50mm:
Branch is transmitted by controlled motion so that the distance v between stent 3 and tilt platform 5-11For 30mm, moving platform The offset u of 4-11For 10mm, while controlling the first deflection motor 5-5 so that tilt platform 5-1 rotates counterclockwise around α axis 36.89°(θ1), tilt platform 5-1 moves to position shown in Fig. 9 by the positions Fig. 8 at this time;
Step 3:Radius of machining is the spatially spiral pipe of the parts 65mm:
Branch is transmitted by controlled motion so that the distance v between stent 3 and tilt platform 5-12For 30mm, moving platform The offset u of 4-12For 7.337mm, while controlling the first deflection motor 5-5 and the second deflection motor so that tilt platform 5-1 26.56 ° of (θ are rotated counterclockwise around α axis2), turntable 5-3 rotates clockwise 7.12 ° of (Ψ2), tilt platform 5-1 is by the positions Fig. 9 at this time It sets and moves to position shown in Figure 10;
Step 4:Radius of machining is the spatially spiral pipe of the parts 80mm:
Branch is transmitted by controlled motion so that the distance v between stent 3 and tilt platform 5-13For 30mm, moving platform The offset u of 4-13For 5.84mm, while controlling the first deflection motor 5-5 and the second deflection motor so that tilt platform 5-1 around α axis rotates 19.08 ° of (θ counterclockwise3), turntable 5-3 rotates clockwise 11.02 ° of (Ψ3), tilt platform 5-1 is by the positions Figure 10 at this time It sets and moves to position shown in Figure 11;
Step 5:Radius of machining is the spatially spiral pipe of the parts 100mm:
Branch is transmitted by controlled motion so that the distance v between stent 3 and tilt platform 5-14For 30mm, moving platform The offset u of 4-14For 4.61mm, while controlling the first deflection motor 5-5 and the second deflection motor so that tilt platform 5-1 around α axis rotates 12.35 ° of (θ counterclockwise4), turntable 5-3 rotates clockwise 12.35 ° of (Ψ4), tilt platform 5-1 is by the positions Figure 11 at this time It sets and moves to position shown in Figure 12;
Step 6:In the action process of 2-step 5 of above-mentioned steps, propulsive mechanism 2 is always with certain speed forward impelling Pipe fitting, whole process pipe fitting is by forward impelling 1600mm, and after processing is completed, elbow mobile mechanism and elbow are inclined for spatially spiral bend pipe Rotation mechanism resets.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (8)

1. a kind of 3 D auto bending forming bending machine, which is characterized in that moved including fixed frame, propulsive mechanism, stent, elbow Motivation structure and elbow deflection mechanism, wherein:
The propulsive mechanism includes the first ball-screw being arranged in the middle part of the fixed frame, one end of first ball-screw It is plugged in the fixed frame, the other end extends the outside of the fixed frame, and the stent is arranged in first ball The end of the leading screw other end is provided with clamping device on first ball-screw, and clamping pipe is provided on the clamping device First tube passage of part is provided with the second tube passage in the stent;
The elbow mobile mechanism includes the moving platform being arranged on the outside of the stent, is provided on the moving platform round saturating Hole, being provided between the moving platform and fixed frame can make the moving platform transmit branch along the movement that space any direction translates Chain;
The elbow deflection mechanism is arranged in the outside of the moving platform, and the elbow deflection mechanism includes that pipe fitting can be made to realize sky Between the tilt platform that is bent of any angle, be provided with third heavy connection of pipe on the tilt platform, the tilt platform with it is dynamic flat The driving mechanism that the tilt platform can be made to deflect is provided between platform;
The axis of first tube passage, the second tube passage, circular through-hole and third tube passage described in when original state exists On same straight line.
2. 3 D auto bending forming bending machine according to claim 1, which is characterized in that branch packet is transmitted in the movement 3 groups of UPU movement branched chains in parallel are included, wherein:
The UPU movement branched chains include the second ball-screw being arranged between the fixed frame side and the moving platform, institute State be provided on the second ball-screw with the matched mobile slide bar of second ball-screw, second ball-screw with it is solid Determine frame to connect by the first universal joint, the mobile slide bar is connect with moving platform by the second universal joint.
3. 3 D auto bending forming bending machine according to claim 1, which is characterized in that the driving mechanism includes setting Set the gear drive on the moving platform end face, the gear drive include first gear and with first tooth The turntable being meshed is taken turns, the mounting bracket for being used to support the tilt platform, the peace are provided on the end face of the turntable Shelve the first deflection motor for being provided with the rotation axis for driving the tilt platform deflection and driving the rotation axis rotation, institute State the second deflection motor for being provided on moving platform and driving the first gear rotation.
4. 3 D auto bending forming bending machine according to claim 3, which is characterized in that the circumference side of the turntable To outside be provided with the external tooth being meshed with the first gear, 1/2 week external tooth is provided on the turntable.
5. 3 D auto bending forming bending machine according to claim 1, which is characterized in that the clamping device include with The first ball-screw matched promoting slider is provided with compact heap, the promoting slider and pressure in the promoting slider Tight block is bolted to connection, and the groove for installing pipe fitting is both provided in the promoting slider and compact heap, described to push away First tube passage is formed after into the combination on sliding block and compact heap.
6. according to any 3 D auto bending forming bending machine in claim 1-5, which is characterized in that the stent It is inside provided with the supporting sleeve alternatively for being socketed pipe fitting, is provided in the tilt platform alternatively for being socketed pipe fitting Flex housing, the end of the supporting sleeve and/or flex housing is set as cambered surface.
7. 3 D auto bending forming bending machine according to claim 6, which is characterized in that be provided on the fixed frame Supporting rack is provided with the guide rail for playing the guiding role to the promoting slider on support frame as described above.
8. 3 D auto bending forming bending machine according to claim 7, which is characterized in that the stent uses six ribs Column.
CN201810101918.3A 2018-02-01 2018-02-01 3 D auto bending forming bending machine Withdrawn CN108421862A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810101918.3A CN108421862A (en) 2018-02-01 2018-02-01 3 D auto bending forming bending machine

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Application Number Priority Date Filing Date Title
CN201810101918.3A CN108421862A (en) 2018-02-01 2018-02-01 3 D auto bending forming bending machine

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110000280A (en) * 2019-04-09 2019-07-12 褚冯键 A kind of gradual three-dimensional space pipe bending mechanism of intelligence
CN110180929A (en) * 2019-06-13 2019-08-30 山东大学 Free bend shapes swan neck system
CN110180930A (en) * 2019-06-13 2019-08-30 山东大学 The gradual free bending tube forming mechanism in space
CN111014391A (en) * 2019-12-20 2020-04-17 中国科学院宁波工业技术研究院慈溪生物医学工程研究所 Automatic section bending device, method for realizing three-dimensional bending by using same and application
CN112845733A (en) * 2021-01-14 2021-05-28 西北工业大学 Die controlled by parallel arm type structure and used for free bending forming process

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110000280A (en) * 2019-04-09 2019-07-12 褚冯键 A kind of gradual three-dimensional space pipe bending mechanism of intelligence
CN110180929A (en) * 2019-06-13 2019-08-30 山东大学 Free bend shapes swan neck system
CN110180930A (en) * 2019-06-13 2019-08-30 山东大学 The gradual free bending tube forming mechanism in space
CN111014391A (en) * 2019-12-20 2020-04-17 中国科学院宁波工业技术研究院慈溪生物医学工程研究所 Automatic section bending device, method for realizing three-dimensional bending by using same and application
CN112845733A (en) * 2021-01-14 2021-05-28 西北工业大学 Die controlled by parallel arm type structure and used for free bending forming process

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Application publication date: 20180821