CN107470408A - A kind of common curved CNC tube bending machine of simple pendulum arm or so - Google Patents
A kind of common curved CNC tube bending machine of simple pendulum arm or so Download PDFInfo
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- CN107470408A CN107470408A CN201710731527.5A CN201710731527A CN107470408A CN 107470408 A CN107470408 A CN 107470408A CN 201710731527 A CN201710731527 A CN 201710731527A CN 107470408 A CN107470408 A CN 107470408A
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- 238000005452 bending Methods 0.000 title claims abstract description 40
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- 230000001360 synchronised effect Effects 0.000 claims description 12
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- 238000004590 computer program Methods 0.000 claims description 6
- 238000009428 plumbing Methods 0.000 claims description 6
- 230000008450 motivation Effects 0.000 claims description 3
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- 238000003199 nucleic acid amplification method Methods 0.000 description 3
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- 239000011435 rock Substances 0.000 description 2
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- 241001212149 Cathetus Species 0.000 description 1
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Classifications
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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
- B21D7/00—Bending rods, profiles, or tubes
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/12—Bending rods, profiles, or tubes with programme control
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary 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 present invention relates to a kind of common curved CNC tube bending machine of simple pendulum arm or so, belong to tubular object extruding processing technology field.Wherein, CNC tube bending machine include frame, control unit and in frame and controlled unit control feeding trolley, head, guided mode unit and switch unit；Head includes clamping, circle mould, the swing arm with the common drive shaft of circle mould, and driving circle mould and swing arm and carries out the bend pipe motor that both bend pipe rotation and driving switch rotation between left bend pipe position and right bend pipe position；The controlled unit control ground driving head of switch unit moves up with respect to frame perpendicular to the transverse direction for treating elbow member axial direction with perpendicular, to drive head to switch between left bend pipe position and right bend pipe position.Simple pendulum arm can not only be based on and realize that left and right is curved altogether, and bending quality can be effectively improved, can be widely applied in the fields such as air-conditioning, aviation.
Description
Technical field
The present invention relates to tubular object extruding equipment, specifically, is related to a kind of simple pendulum arm or so curved CNC tube bending machine altogether.
Background technology
CNC tube bending machine is widely used in the industrial circles such as air-conditioning, automobile, ship, Aero-Space, mainly including frame, control
Unit processed and controlled unit controls in frame feeding trolley, guided mode unit and head；Head includes being used to control
The circle mould of elbow radius, swing arm, it is used to together with circle mould clamp the clamping of pipe fitting, and driving circle mould and swing arm in swing arm
Rotated around the rotation axis of drive shaft to carry out the bend pipe motor of bend pipe action to pipe fitting.By the difference of wrap direction, it is divided into
Curved bending machine, the common curved bending machine in left and right are usually used in complex pipeline altogether for left curved bending machine, right curved bending machine and left and right
Bending operation.
Publication No. is to disclose one kind in CN101817038A patent document to be used to build left and right curved numerical controlled bending of pipe altogether
The bending mechanism of machine, including bearing, the swiveling gear being installed in rotation on bearing, for driving the motor of swiveling gear,
The rotary support being slidably mounted on swiveling gear, the left centration axis being slidably mounted in by sliding block on rotary support
With right centration axis, left centration axis, the left bearing pin in right centration axis, right bearing pin are selectively stretched into, and it is correspondingly connected fixed on a left side
Left bending die, right bending die in mandrel, right centration axis；Swivel chute is provided with the side of rotary support, it is solid on swiveling gear
Provided with the driving lever stretched into swivel chute；In the course of the work, by being selectively connectable with doing centration axis and left bearing pin or right fixed
Mandrel and right bearing pin and realize the switching of gyroaxis, to reach using one in left bending die, right bending die to justify mould, and another one
To justify mould, so as to be switched between left curved mode of operation and right curved mode of operation.Though it can realize that left and right is curved altogether, in order to
Swiveling gear is enough avoided to cause to interfere to bend pipe process, it is desirable to which two centration axis in height will be away from swiveling gear, while nothing
Method configures swing arm and the clamp die mechanism in swing arm, easily causes the unstable of whole swan neck system and influences bending quality.
The content of the invention
It is an object of the invention to provide a kind of common curved CNC tube bending machine of simple pendulum arm or so, simple pendulum arm and list can not only be based on
Circle mould realizes that left and right is curved altogether, and can improve bending quality.
To achieve these goals, curved CNC tube bending machine includes frame, control to simple pendulum arm provided by the invention or so altogether
Unit and in frame and controlled unit control swan neck system and feeding trolley, swan neck system include head, guided mode
Unit and switch unit；Head includes left curved round mould and the right curved round mould being arranged on overlapped way in drive shaft, with circle mould
The swing arm of drive shaft altogether, the clamping in swing arm, and be connected with drive shaft to drive round mould to be carried out with swing arm
Bend pipe rotates and driven the two bend pipe motor for switching rotation between left bend pipe position and right bend pipe position；Left curved round mould and the right side are curved
The circle die cavity of circle mould is towards conversely；Switch unit controlled unit control ground driving head is with respect to frame perpendicular to treating elbow member
The transverse direction of axial direction moves up with perpendicular, drives head to switch between left bend pipe position and right bend pipe position.
In the CNC tube bending machine, by the way that the circle mould on head is arranged to by circle die cavity towards opposite left curved round mould and
Right curved round mould is arranged in drive shaft with stacked system, while by swing arm with justifying mould to be arranged to be driven by bend pipe motor and around drive
The rotation axis of dynamic main shaft is rotated with the reciprocating rotation between left bend pipe position and right bend pipe position, and is aided with switch unit driving machine
Head switches between left bend pipe position and right bend pipe position and moved perpendicular to the transverse direction and perpendicular move up for the treatment of elbow member axial direction,
To realize switching of the whole bending machine between the bend pipe pattern of left and right two, i.e., based on simple pendulum arm can be achieved with left and right altogether it is curved, and
Only head is moved in the handoff procedure of bend pipe pattern and keeps pipe fitting motionless in the horizontal, can effectively avoid length length and rigidity partially
There is undesirable rock because of switching bend pipe direction in relatively low pipe fitting, it is ensured that bending quality；Meanwhile it can be in drive shaft
The left curved round mould that more than one layer of arrangement and right curved round mould, to meet more working condition requirements and improve forming elbow efficiency.
Specific scheme is that guided mode unit includes cloth-guiding base, drive mechanism and the right curved guided mode being installed on the right side of cloth-guiding base
With the left curved guided mode on left side；The controlled unit control ground driving cloth-guiding base of drive mechanism is laterally moved with left bend pipe position
Switch and move back and forth vertically to aid in bend pipe to act between right bend pipe position；The controlled unit control ground driving of switch unit
Guided mode unit is synchronized with the movement with head.
Based on the configuration of the common cloth-guiding base of above-mentioned left and right guided mode, two guided modes are made to share a set of guided mode drive mechanism, effectively
Reduce amount of parts；Meanwhile when carrying out the operation of right bend pipe, whole cloth-guiding base and two guided modes are respectively positioned on the left side of round mould,
And when carrying out the operation of left bend pipe, cloth-guiding base and two guided modes are respectively positioned on the right side of round mould, effectively avoid in left and right altogether curved pattern,
The interference effect that guided mode operates to bend pipe.
More specifically scheme is that switch unit includes rack-mounted mounting seat, can vertically be slided by line slideway
The vertical slide plate being arranged on dynamicly in mounting seat, the transverse direction that can be transversely slidably mounted on by line slideway on vertical slide plate
Slide plate, head are arranged on cross slide；Drive mechanism includes transversely being slidably mounted on horizontal cunning by line slideway
Support base on plate, cloth-guiding base are arranged on support base in which can slide axially by line slideway.Based on above-mentioned plank frame
The switch unit of structure, integrally-built compactedness can be effectively improved.
More specifically scheme is that circle die cavity includes curved bend pipeline section and straight line gripping section for another, the straight line on left curved round mould
Gripping section is opposite with the direction of the straight line gripping section of right curved round mould；Left angle coupling mould is with right angle coupling mould in the axle perpendicular to drive shaft
Non-overlapping face region is projected in the plane of line；Circle mould and matched clamping, guided mode form adaptation module, adjacent layer arrangement
Two projection non-overlapping face regions of the adaptation modules on the plane parallel to the axis.Effectively improve clamping and circle mould
Between to the firm grip degree of pipe fitting, simultaneously effective improve being connected for guided mode and clamping.
Preferable scheme is provided with clamping drive mechanism between clamping and swing arm, and clamping drive mechanism includes clamping seat, reinforcement
Rocking bar, reinforcement connecting rod, boosting lever and actuator, clamping seat arcuately guide rail can be slidably mounted in swing arm, actuator
Stator is hinged in swing arm；The fixing end of reinforcement rocking bar is hinged with swing arm, and the mover of swinging end and actuator is hinged；Boosting lever
Fulcrum be hinged in swing arm, force side is hinged with clamping seat；One end of reinforcement connecting rod and the swinging end of reinforcement rocking bar are hinged, separately
One end and the force side of boosting lever are hinged；Arc-shaped guide rail and the swinging track iso-curvature radius of force side, the branch of boosting lever
Point is positioned at the swinging track adjacent to the downside of drive shaft.
Clamping drive mechanism based on said structure, the power output of its actuator, through reinforcement rocking bar and reinforcement connecting rod one-level
After amplification, then through boosting lever progress two level amplification, and it is applied to by clamping seat in clamping, effectively ensures that clamping and circle
The stability of clamping dynamics and clamping of the mould to pipe fitting.Meanwhile when clamping opens release plumbing component with circle mould, clamping seat can be along arc
Shape guide rail and pull clamping down to move back and avoided to pipe fitting, be effectively prevented to pipe fitting subsequent action produce interference effect.
Preferred scheme is that swing arm is provided with the side directing plate for being folded in clamping seat both sides, and arc-shaped guide rail is located at side
Arc chute on the directing plate of face, clamping seat are respectively provided with the sliding block being engaged with arc chute on both sides.
Based on said structure, the movement locus of clamping seat is limited by the side directing plate and arc guide barrel of both sides
Position, effectively ensures that the stability of clamping seat motion, i.e. clamping is clamping and the stability during release plumbing component.
Another preferable scheme is connected between drive shaft and bend pipe motor by gear drive, and gear passes
Dynamic device includes input gear, transition gear, output gear and gap adjusting mechanism；Input gear, transition gear and output gear are equal
For helical gear；Gap adjusting mechanism includes being used for the first gap adjusting mechanism for adjusting sideshake between transition gear and output gear, and for adjusting
Second gap adjusting mechanism of sideshake between whole input gear and transition gear；First gap adjusting mechanism includes eccentric shaft and for adjusting bias
The corner of axle simultaneously enters line-locked adjusting and locking mechanism to its angle position, and transition gear is rotatably sleeved on eccentric shaft.
Based on above-mentioned transmission mechanism, by the way that transition gear is sleeved on eccentric shaft, with the corner by adjusting eccentric shaft
And the sideshake between transition gear and output gear is adjusted, the collimation after transition gear rotating shaft before adjustment is effectively ensured that, i.e.,
It ensure that the transmission stability before and after tune gap；And by two gear centres away from minor adjustment zoom into tune to angle of eccentricity
It is whole, effectively improve the precision of sideshake adjustment between gear；Then by the second gap adjusting mechanism, complete to input gear and transition tooth
The adjustment of sideshake between wheel；To solve the problems, such as the bad adjustment of transition gear sideshake of tertiary gear group in the prior art, to meet
Bending machine is improved with the production of the bending machine of gear drive structure to compared with large span transmitting the requirement of heavier load
The stability of the product accuracy of manufacture.
Preferred scheme is the fixation porose disc that adjusting and locking mechanism includes being fixedly connected with the mounting seat of head, with bias
The gear backlash adjustment porose disc of the axial end synchronous axial system connection of axle, and selectively pass through a pair of locks on two porose discs
Determine the stop pin in hole.
Adjusting and locking mechanism based on said structure, rotated by rotation eccentric axis to drive gear backlash to adjust porose disc,
And the different corners to eccentric shaft are obtained by the pairing to lock hole pair on diverse location, and realized and aligned by stop pin
Locking is put, whole mechanism structure is simple, compact；The interference to pipe fitting during bend pipe can further be reduced.
Another preferred scheme is that the second gap adjusting mechanism includes being used for the mounting seat for installing input gear, and is installed in
It is used for the adjustment mechanism for promoting mounting seat so that the direction of input gear towards close transition gear is moved in the mounting seat of head.Have
Effect ground simplifies the structure of the second gap adjusting mechanism, to reduce the interference to bend pipe process.
Another preferable scheme is that control unit includes memory and processor, and memory storage has computer program,
Computer program can realize following steps when being executed by processor：
After completing to the first direction bend pipe operation of pipe fitting, keep pipe fitting static with respect to frame in the horizontal, control first party
Xiang Yuanmo is opened with release plumbing component with clamping, and controls switch unit driving head first direction circle mould is transversely deviateed to keep away
Allow pipe fitting, then drive head to be vertically moved downward at the top of head and avoid pipe fitting；Control bend pipe motor driving circle mould and pendulum
Arm is rotated to second direction bend pipe position around the rotation axis of drive shaft from first direction bend pipe position；Switch unit is controlled to drive
Motivation head laterally moves to pipe fitting the top for being located at position between second direction circle mould and clamping, then drives head vertically
Move upwardly into second direction circle mould it is contour with pipe fitting and drive head laterally move to justify mould it is coaxially arranged with pipe fitting, then drive
Dynamic clamping clamps pipe fitting, and second direction bend pipe operation is carried out to pipe fitting；First direction justifies mould and in second direction circle mould, one is
Left curved round mould, another one are right curved round mould.The switching of left and right bend pipe pattern is realized by the step, is avoided as far as possible in handoff procedure
Pipe fitting rocks and improves bending quality.
Brief description of the drawings
Fig. 1 is the stereogram of the embodiment of the present invention 1；
Fig. 2 is Fig. 1 A partial enlarged drawings；
Fig. 3 is feeding trolley and the stereogram of frame in the embodiment of the present invention 1；
Fig. 4 is the stereogram of switch unit in the embodiment of the present invention 1；
Fig. 5 is the solid that transversal driving mechanism and the guided mode unit after cross slide way slide block mechanism are omitted in the embodiment of the present invention 1
Figure；
Fig. 6 is in structure chart during left bend pipe position for head in the embodiment of the present invention 1 with guided mode unit；
Fig. 7 is that transversal driving mechanism is led with horizontal in bend pipe motor, gear drive and guided mode unit in the embodiment of the present invention 1
The structure chart of rail slide block mechanism；
Fig. 8 is the stereogram of circle mould, swing arm and clamping component in the embodiment of the present invention 1；
Fig. 9 is clamping component and the structure chart of swing arm in the embodiment of the present invention 1；
Figure 10 is the process schematic that clamping switches to clamp position from release conditions in the embodiment of the present invention 1；Wherein, Figure 10
（a）Structure chart during in release conditions, Figure 10（b）For it is in an interim state when structure chart, Figure 10（c）For in clamping
Structure chart during state；
Figure 11 is the structural representation of the middle gear transmission device of the embodiment of the present invention 1 and bend pipe motor；
Figure 12 is the B partial enlarged drawings in Figure 11；
Figure 13 is the structure decomposition figure of eccentric shaft and adjusting and locking mechanism in the embodiment of the present invention 1；
Figure 14 is the structural representation that the middle gear sideshake of the embodiment of the present invention 1 adjusts porose disc；
Figure 15 is that the middle gear sideshake of the embodiment of the present invention 1 adjusts porose disc and fixed porose disc is locked and determines the position relationship signal in hole pair
Figure；
Figure 16 is in structure chart during right bend pipe position for head in the embodiment of the present invention 1 with guided mode unit；
Figure 17 is the structure decomposition figure of lock-screw, check pin and eccentric shaft in the embodiment of the present invention 2；
Figure 18 is lock-screw, the schematic view of the mounting position of check pin in the embodiment of the present invention 2；
Figure 19 is the structural representation that the middle gear sideshake of the embodiment of the present invention 3 adjusts porose disc；
Figure 20 is the structural representation that porose disc is fixed in the embodiment of the present invention 3；
Figure 21 is lever in the embodiment of the present invention 5, clamping seat and the structural representation for guiding swing rod.
Embodiment
With reference to embodiments and its accompanying drawing the invention will be further described.
Embodiment 1
Referring to Fig. 1 and Fig. 2, this CNC tube bending machine 1 include frame 11, control unit and in frame 11 by the control list
The swan neck system and feeding trolley 2 of member control；Wherein, swan neck system includes switch unit 3, guided mode unit 4 and head 5.
In the present embodiment, control unit includes processor, memory and touch-screen 12, and processor is connect by touch-screen 12
Receive operating personnel input instruction, while by perform be stored in memory correspond to computer program control swan neck system and
Feeding trolley 2 acts and performs the operation such as bend pipe, switching.
Referring to Fig. 3, feeding trolley 2 includes the feeding guide 21 being fixed in frame 11, is slideably pacified by sliding block 210
Feeding slipway 22 on feeding guide 21, the feeding being fixed on along the direction arrangement parallel to feeding guide 21 in frame 11
Rack 23, the feeding main shaft 24 that can be arranged on around own axis on feeding slipway 22, installed in the front end of feeding main shaft 24
And the three-clove style clamping jaw 240 driven by clamping jaw cylinder 27, for the rotating servo motor 25 for driving feeding main shaft 24 to rotate, pass through
The feeding that gear on armature spindle coordinates with feeding rack 23 and drives feeding slipway 22 to be moved back and forth along feeding guide 21
Servomotor 26, and it is installed in the travel switch 28,29 being controlled in frame 11 to the stroke of feeding slipway 22.
Following in the description of other unit concrete structures, treating that elbow member is pipe fitting of the clamping in feeding main shaft 24,
In the present embodiment, because feeding main shaft is arranged in the horizontal direction, the axial direction for making to treat elbow member is arranges in the horizontal direction, vertically
In pipe fitting axial direction transverse direction be respectively vertically horizontal direction with vertical, i.e., it is horizontal with it is vertically perpendicular.
Referring to Fig. 4, switch unit 3 includes installing plate 30, vertical drive mechanism, vertical lines guide rail 311, vertical sliding block
312nd, vertical slide plate 32, transversal driving mechanism, horizontal line slideway 331, transverse slider 332, cross slide 34, lateral attitude inspection
Survey mechanism and vertical position testing agency.
Vertical slide plate 32 vertically can be installed slidably by the cooperation of vertical lines guide rail 311 and vertical sliding block 312
On installing plate 30.Vertical drive mechanism includes servomotor 351, is connected by timing belt 352 and servomotor 351
Screw mandrel 353, and the feed screw nut engaged with screw mandrel 353；Screw mandrel 353 is installed in rotation on installing plate 30 and vertically cloth
Put, feed screw nut is fixed on vertical slide plate 32, so as to drive the vertical phase of slide plate 32 by the positive and negative rotation of servomotor 351
Installing plate 30 is vertically moved back and forth.
Cross slide 34 transversely can be installed slidably by the cooperation of horizontal line slideway 331 and transverse slider 332
On vertical slide plate 32；Transversal driving mechanism includes servomotor 361, is connected by timing belt 362 and servomotor 361
Screw mandrel 363, and the feed screw nut 364 engaged with screw mandrel 363；Screw mandrel 363 is installed in rotation on vertical slide plate 32 and edge
Lateral arrangement, feed screw nut 364 are fixed on cross slide 34, so as to drive horizontal stroke by the positive and negative rotation of servomotor 361
Transversely moved back and forth to the relatively vertical slide plate 32 of slide plate 34.I.e. under the promotion of two drive mechanisms, cross slide 34 is relative
Installing plate 30 can make two-dimensional space movement in the vertical plane for treating elbow member axial direction.
Lateral attitude testing agency includes the first position travel switch being arranged on by installing plate 301 on vertical slide plate 32
302 pass through travel switch with second place travel switch 303, and the travel switch trigger member 304 being installed on cross slide 34
Touch and trigger between trigger member 304 and two travel switches, with to the relative position between cross slide 34 and vertical slide plate 32
It is monitored；Vertical position testing agency structure and lateral attitude testing agency are similar, i.e., and pass through two position strokes
Switch is monitored to the relative position between vertical slide plate 32 and installing plate 30.
Referring to Fig. 5 to Fig. 7, guided mode unit 4 includes cloth-guiding base 41, drive mechanism and is installed on the right side of cloth-guiding base 41
The curved guided mode 42 in two pieces of right sides and the curved guided mode 43 in one piece of left side on left side.Drive mechanism includes cross slide way slide block mechanism, laterally driven
Mechanism, support base 46, axial oil cylinder 47 and axial guidance slide block mechanism 48.
Cross slide way slide block mechanism by mounting seat 50 and the line slideway 44 that is arranged along the horizontal with can be straight along this
The sliding block 45 that line guide rail 44 slides is formed；Transversal driving mechanism includes servomotor 491, passes through timing belt 492 and servomotor
The screw mandrel 493 of 491 drive connections and the feed screw nut being fixedly connected in sliding block 45 are formed, so that by servomotor 491 just
Invert and drive sliding block 45 to be mounted opposite seat 50 and transversely move back and forth, sliding block 45 is fixed on so as to be forced through mounting seat 451
On support base 46, cloth-guiding base 41, axial oil cylinder 47, left curved guided mode 43 and right curved guided mode transversely slide.
Cloth-guiding base 41 is a door type frame structure, and axial guidance slide block mechanism 48 includes being installed in door type frame structure
Two madial walls on and axially disposed line slideway 481 and the sliding block 482 that is installed on support base 46；Axial oil cylinder 67
Cylinder body is fixedly connected with support base 46, and cylinder rod 471 is fixedly connected with door type framework, so as to promote the relative support of cloth-guiding base 41
Seat 46 moves back and forth vertically.
Referring to Fig. 6 to Fig. 8, head 5 includes mounting seat 50, swing arm 51, circle mould 52, clamping 53, clamping drive mechanism 6, curved
The gear drive 7 being connected between pipe motor 55, drive shaft 54 and composition bend pipe motor 55 and drive shaft 54.
In the present embodiment, three layers of round mould, including right curved round mould 521, left curved round mould are installed in drive shaft 54 in a manner of lamination
522 and the different right curved round mould 523 of elbow radius, left curved round mould 522 can be identical with the elbow radius of the curved round mould in two right sides
Difference, depending on actual condition, when circle mould elbow radius changes, the extension elongation of corresponding clamping and guided mode also can be with change
With matching circle mould；The quantity of left curved round mould and the curved round mould in the right side is configured according to being actually needed；Right curved round mould 521 and right curved round mould
523 circle die cavity is towards identical, and with the circle die cavity of left curved round mould 522 towards on the contrary, in the present embodiment, the circle of three round moulds
Die cavity is U-shape structure, i.e., its justify die cavity include be used for control pipe fitting elbow radius curved bend pipeline section and by with clamping phase
The straight line gripping section for coordinating and being clamped to pipe fitting end, exemplified by justifying mould 522, it, which justifies die cavity, includes semicircle bend loss
5221 with 5222 sections of straight line gripping section.The present invention of definition in to(for) circle die cavity direction is with curved bend pipeline section and straight line gripping section
Between tie point be starting point, and along the straight line gripping section extension direction；When circle die cavity is U-shaped round die cavity, circle die cavity
Towards the opening direction that may be defined as U-shape structure；And for the circle die cavity of other structures, circle die cavity in the present invention is towards referring to
Justify the opening direction of die cavity with semicircular part bend pipe of the circle mould clip position as starting point using clamping.Clamping 53 is also accordingly set
Three are put, respectively right angle coupling mould 531, left angle coupling mould 532 and right angle coupling mould 533, its position distribution is with justifying die cavity cathetus
Gripping section is corresponding, therefore, in the present embodiment, to avoid clamping position from causing to interfere to guided mode clip position, to have left curved
Clamping and the non-overlapping face region of projection of the right angle coupling mould in the plane perpendicular to the axis of drive shaft 54, with left angle coupling mould 532
Illustrated exemplified by position relationship between right angle coupling mould 533, the axis of wherein drive shaft 54 is vertically arranged, then with its
Vertical plane is horizontal plane, then left angle coupling mould 532 and the non-overlapping face region of the projection of right angle coupling mould 533 in the horizontal plane, this
When, if left curved round mould 522 is identical with the elbow radius of right curved round mould 523, the overlapping region of the two causes to be mostly a straight line, i.e., round
The projection of the connecting line of curved bend pipeline section and straight line gripping section in the horizontal plane in die cavity.
As shown in Fig. 6, Fig. 8 and Figure 16, when swing arm 51 is in left bend pipe position as shown in Figure 6, left curved round mould 522
Straight line gripping section is outwardly disposed；Similarly, when swing arm 51 is in right bend pipe position as shown in figure 16, right curved round mould 521,
523 straight line gripping section is also outwardly disposed, i.e., left curved round mould is opposite with the direction of the straight line gripping section of right curved round mould.
With any round mould and the clamping being adapted with the circle mould, guided mode formed one group be adapted to module from the point of view of, i.e., along parallel to
The direction of the axis of drive shaft 54 sees that the circle mould, clamping with layer arrangement form one group with guided mode and be adapted to module, for example, left curved
Circle mould 522, left angle coupling mould 532 and left curved guided mode 43 form an adaptation module；In the present embodiment, left curved guided mode, right curved guided mode,
Left angle coupling mould and right angle coupling mould are layering installation, and their height on vertical are highly consistent with corresponding mould of justifying, i.e., same
The distribution of group adaptation module is within the same layer.Two groups of adaptation modules of adjacent layer arrangement are in the flat of the axis parallel to drive shaft 54
The non-overlapping face region of projection on face, so as to have a set of clamping, circle mould and guided mode in same layer, i.e., left curved round mould, a left side are curved
Clamping, left curved guided mode and right curved round mould, right angle coupling mould, right curved guided mode can not be arranged on same layer simultaneously.
By mounting seat 50 so that head 5 to be attached to cross slide 34 as shown in Figure 4 together with guided mode unit 4, with
Under the driving of switch unit 3 two dimensional motion is being done in the vertical plane for treating elbow member axial direction.
Referring to Fig. 6, Fig. 8 and Fig. 9, clamping drive mechanism 6 includes clamping seat 60, reinforcement rocking bar 621, reinforcement connecting rod 622, increasing
Power lever 623 and actuator 63, the clamping 53 of three different elbow radius are arranged on the installation of clamping seat 60 in a manner of stacking
On face 600, away from the clamping adjusting screw 64 being rotatably mounted on the one end for justifying mould in swing arm 51.
Actuator 63 is oil cylinder, and its cylinder rod 631 forms the mover of actuator 63, and cylinder body 632 forms determining for actuator 63
Son, and cylinder body 632 is hinged in swing arm 51 by hinge 633.
The fixing end of reinforcement rocking bar 621 is be hinged by hinge 651 with swing arm 51, and the end of swinging end and cylinder rod 631 leads to
It is be hinged to cross hinge 652；The fulcrum of boosting lever 623 is hinged in swing arm 51 by hinge 653, and force side passes through with clamping seat 60
Hinge 654 is be hinged；One end of reinforcement connecting rod 622 is be hinged by hinge 652 with the swinging end of reinforcement rocking bar 621, i.e., cylinder rod 631,
Hinge is hinged altogether for the end of reinforcement connecting rod 622 and reinforcement rocking bar 621, and the force side of the other end and boosting lever 623 passes through hinge
655 is be hinged.
Referring to Fig. 8 to Figure 10, swing arm 51 includes being clamped in the side directing plate 627 of the both sides of clamping seat 60, draws in two sides
The medial surface of guide plate 627 is respectively provided with the cunning being engaged with arc chute 629 formed with arc chute 629 on the both sides of clamping seat 60
Block 628, so as to carry out lateral Displacement guiding and the displacement in vertical plane to the moving process of the opposed swing arms 51 of clamping seat 60
Carry out spacing guiding；And arc chute 629 is located at the lower section of the swinging track of the force side of boosting lever 623 on vertical position,
So as to the tie point layout designs to clamping seat 60.Such as Figure 10（a）It is shown, when clamping, which is in, opens release plumbing component state, oil
Cylinder rod, reinforcement rocking bar 621 and the reinforcement connecting rod 622 of cylinder 63 form Y-shaped structure, and lever 623 is with reinforcement connecting rod 622 close to altogether
Line but bias a small angle towards the direction for deviateing sliding block 628, i.e., both towards the angle of arc chute 629 be less than 180 degree.Now,
Cylindrical rod type sliding block 628 is resisted against the lower groove end face of arc chute 629.
Such as Figure 10（b）Shown, with the work of oil cylinder 63 and ejection cylinder bar, it promotes reinforcement rocking bar 621 and reinforcement connecting rod
622 towards the direction movement collinearly arranged, so as to promote the force side of boosting lever 623 to be moved towards the direction for deviateing arc chute 629
It is dynamic, to promote clamping seat 60 to be moved towards close to the direction of circle mould by force side.
Such as Figure 10（c）It is shown, with further pushing away for oil cylinder 63, until sliding block 628 arcuately chute 629 slide into against
Groove end face thereon, i.e. clamping are clamping pipe fitting state, and now, boosting lever 623 is vertically arranged, reinforcement rocking bar 621 and reinforcement
Connecting rod 622 collinearly arranges, i.e., the two power output to oil cylinder 63 carries out approach infinity multiple amplification, so as to be clamping clamping pipe
Chucking power needed for part offer.
In above-mentioned clamping process, arcuately chute 629 slides sliding block 628, i.e., arc chute 629 forms the phase of clamping seat 60
The arc-shaped guide rail moved to swing arm 51, in the present embodiment, the center line of arc chute 629 is with the axis of hinge 654 around hinge 653
Swinging track iso-curvature radius, i.e. arc-shaped guide rail and boosting lever 623 force side swinging track iso-curvature radius, so as to really
Protect clamping seat 60 and translation feature is remained in moving process.
Referring to Figure 11 to Figure 13, mounting seat 50 is the cavity body structure with installation chamber 100, and loading drive gear is set to three-level
Gear drive, including input gear 741, transition gear 757 and output gear 775, the first gap adjusting mechanism and second adjust gap
Mechanism；First gap adjusting mechanism includes eccentric shaft 76 and adjusting and locking mechanism；Three gears are helical teeth cylinder wheel.
Bend pipe motor 55 is fixed on installing plate 73 by four fixing bolts, and input gear 741 is set with by flat key
On the output shaft of bend pipe motor 55, installing plate 73 is provided with eight waist round hole and two keyways, and the major axis of waist round hole is parallel
In the flute length direction of keyway, the openend of keyway is on the side end face of installing plate 73；The bottom surface of the bottom plate 512 of mounting seat 50 with
The corresponding opening position of keyway is provided with two keyways being engaged, and installing plate 73 passes through the fixation through several through waist round hole
Bolt and on the bottom plate 512, and by flat key connection the two it is upper corresponding to keyway, now, input gear 741 by located at
Through hole 510 on bottom plate 512 stretches into and in installation chamber 100, i.e., installing plate 73 forms the mounting seat of input gear.
Second gap adjusting mechanism includes installing plate 73, the fixed block 745 being fixed on bottom plate 512 and the major axis side along waist round hole
To arrangement ground adjusting screw 746, fixed block 745 is provided with the screw being engaged with adjusting screw 746, after completion of installation, adjusts
The screw rod end face of whole screw 746 is by against on the side end face of installing plate 73, to promote safety loading board 73 by turning screw 746
The direction limited along key with keyway is moved, i.e., is moved along the long axis direction of waist round hole.
Eccentric shaft 76 includes installation axle portion 761, standard shaft portion 762 and installation axle portion 763, installs the axis of axle portion 761,763
Collinearly；The end face of installation axle portion 761 is provided with inner hexagonal hole 7610, in order to turn whole eccentric shaft 76 by inner hexagon spanner
Axis around installation axle portion rotates, that is, forms an interior hexagonal adjusting hole；The axis in standard shaft portion 762 is put down with installing the axis of axle portion
Go but not conllinear, transition gear 757 is rotatably mounted around standard shaft portion by two bearings 756,758 on axial end
On 762.
Adjusting and locking mechanism includes inner hexagonal hole 7610, fixed porose disc 753 and gear backlash adjustment porose disc 752, fixing hole
Disk 753 is one to be sleeved on circular bosses type ring body structurc in installation axle portion 763, and the path end face of the circular bosses type ring body structurc
It is resisted against on the shaft shoulder 7630 in installation axle portion 763, is provided with bottom plate 512 and is engaged with the circular bosses type ring body structurc
Ladder hole；Eccentric shaft 76 is stretched into installation chamber 100 after passing through ladder hole, so that transition gear 757 can be around bias
Axle 76 is rotatably mounted in installation chamber 100；In the axis hole 7140 that installation axle portion 761 is stretched on top plate 514 and therewith
It is rotatably assorted；Excessively fixed porose disc 753 is fixed in ladder hole by fixing screws 755.
Gear backlash adjustment porose disc 752 can be sleeved on the synchronous axial system of eccentric shaft 76 in installation axle portion 763, in this reality
Apply in example is by adjusting the flat round hole 7520 on porose disc 752 and the oblate axle in installation axle portion 763 located at gear backlash
Portion 7631 coordinates and realizes synchronous axial system, and gear backlash is adjusted into porose disc 752 and excessively fixed porose disc by stop pin 7502
753 are fixedly connected, and are coordinated by round nut 751 and the external screw thread in installation axle portion 763 by gear backlash adjusting hole
Disk 752 is pressed on fixed porose disc 753, so as to realize the locking of the angle position to eccentric shaft 76.
Output gear 775 is sleeved in drive shaft 54 and synchronous axial system by two flat keys, the both ends of drive shaft 54
It is rotatably installed in by bearing 773 and bearing 777 in mounting seat 50, and output gear 775 also is located at installing chamber 100
It is interior.
After in the course of work for completing installation, transition gear 757 is nibbled with output gear 775, input gear 741 simultaneously
Close.
Referring to Figure 13 to Figure 15, six groups of lock holes 80 are provided with gear backlash adjustment porose disc 752, are sequentially the clockwise
The hole group 86 of one hole group 81 to the 6th, the first hole group 81 has the lock hole 80 that three interval central angles are 15 degree, i.e., same
In the group of hole, the interval central angle between two neighboring lock hole is equal, and the interval central angle between the 6th hole group 86 is 20 degree；The
Two hole groups 82 have the lock hole 80 that four interval central angles are 15 degree, and the interval central angle between the first hole group 81 is 18
Degree；3rd hole group 83 has the lock hole 80 that four interval central angles are 15 degree, and the interval central angle between the second hole group 82
For 20 degree；4th hole group 84 has the lock hole 80 that three interval central angles are 15 degree, and the interval circle between the 3rd hole group 83
Heart angle is 22 degree；It is 15 degree of lock hole 80 that 5th hole group 85, which has four interval central angles, and between the 4th hole group 84 between
Every central angle be 20 degree；6th hole group 86 has the lock hole 50 that four interval central angles are 15 degree, and between the 5th hole group 85
Interval central angle be 20 degree；The center of circle of these lock holes 80 is located on the circle that the 752 concyclic heart of porose disc is adjusted with gear backlash.
And fix porose disc 753 and be provided with six lock holes 830 circumferentially equably arranged along it, lock hole 830 is and lock
Circle where the center of circle of the pin-and-hole that rationed marketing 7502 is engaged, i.e. six lock holes 830 and the 753 concyclic heart of fixed porose disc, and it is adjacent
Interval central angle between two lock holes is 60 degree.
If the interval central angle 810 of the lock hole 830 of neighbouring first hole group 81 is 2.5 degree, sequentially sort clockwise, the
Interval central angle 820 between two hole groups 82 of lock hole 830 and second is 15 degree, the 3rd hole group 83 of lock hole 830 and the 3rd
Between interval central angle 840 be 10 degree, the interval central angle 850 between the 4th hole group 84 of lock hole 830 and the 4th is 5 degree, the
Interval central angle 860 between five hole groups 85 of lock hole 830 and the 5th is 12.5 degree, the 6th hole group of lock hole 830 and the 6th
Interval central angle 870 between 86 is 7.5 degree, there it can be seen that turning every turn of the corner of eccentric shaft 76 by inner hexagon spanner
2.5 degree are crossed, a pair of locking hole 80 is there is and is aligned with lock hole 830, so as to by locking spiral pin 7502 by the phase between the two
Position is locked, i.e., the relative position between eccentric shaft 76 and mounting seat 50 locked.
In the present embodiment, the centre-to-centre spacing of eccentric shaft 76 changes between -1.0 to 1.0, because every grade of adjustment angle is
2.5 °, it is 2.5 × 2/360=0.0138 that can calculate every grade of average Adjustment precision, in the range of the Adjustment precision usually required that,
It can also be seen that, the minor rotation in centre-to-centre spacing is converted into simultaneously on the angle value that more preferably measures, to reduce and adjust processing
The size of error.Centre-to-centre spacing between adjustment transition gear 57 and output gear 75 is reached by the corner of eccentric rotation axis 6, that is, adjusted
Sideshake between both whole.
As shown in figure 11, then by adjusting the corner of adjusting screw 746, promote installing plate 73 towards input gear 741 to
The close direction movement of transition gear 757, and reach the purpose for adjusting sideshake between the two.
Referring to Fig. 6, Fig. 7, Fig. 8 and Figure 16, right curved round mould 521, left curved round mould 522 and right curved round mould are with stacked system and same
It is sleeved in drive shaft 54, in inventive embodiments, stacked system can be that both directly contact in the axial direction, also may be used axle
Fixed or spacing keeper is set up between the two；The fixing end 5100 of swing arm 51 is also sleeved in drive shaft 54, so as to pass through
Drive shaft 54 drives three round moulds to be rotated with rotation axis of the swing arm 51 around drive shaft 54, i.e., three round moulds are common with swing arm 51
Drive shaft.Three clampings coaxial arrangement corresponding with three round moulds.
Referring to Fig. 1 to Figure 16, it is processor to treat elbow member to carry out bend pipe operation detailed process using this CNC tube bending machine
The computer program of storage in memory is performed to realize following steps：
First direction bend pipe step, it is assumed that be left bend pipe step, now, the position distribution of three round moulds, guided mode 4 and three clampings
As shown in fig. 6, i.e. edge treats that elbow member is axially pointed to the direction of head 5 by feeding trolley 2, swing arm 51, clamping, left curved guided mode 43 are equal
Positioned at the right side of circle mould, i.e., they be located at left bend pipe opening position, control bend pipe motor 55 by the driving of drive shaft 54 swing arm 51,
Clamping rotates with circle mould towards first direction, carries out bend pipe operation to the pipe section being clamped in left curved round mould with corresponding clamping, together
When control feeding trolley 2 to drive feeding main shaft 24 and guided mode unit 4 to drive the curved guided mode 43 in a left side to be axially synchronized with the movement along pipe fitting.
In this step, feeding trolley 2 enters waiting position, treats that elbow member is sent by operative employee or additional automatic feed mechanism
Enter in clamping jaw 240, after pressing startup, clamping jaw cylinder 27 acts, and promotes clamping jaw 240 to clamp pipe fitting.Feeding servomotor 26 passes through
Pinion and rack driving feeding main shaft 24 drives pipe fitting to be moved on guide rail, feeding before and after realization.
Rotating servo motor 25 drives feeding main shaft 24 to rotate by timing belt, realizes that pipe fitting rotates.Feeding trolley is sent
The rotation of material and main shaft is driven by servomotor, and to ensure repetitive positioning accuracy, the use of rack-and-pinion is more being lifted
While the bearing capacity of feeding trolley, effective control noise.
After pipe fitting is delivered to specified location by feeding trolley 2, oil cylinder 63 acts, and promotes clamping seat 60 to drive clamping campaign and leans on
Nearly left curved round mould, clamps pipe fitting.Now, the servomotor 491 in guided mode unit 4 is acted, and left curved guided mode 43 is moved to pair
The operating position answered drives swing arm and circle mould synchronous axial system, realizes bend pipe so that against on pipe fitting, then bend pipe motor 55 rotates
Operation.
When needing to carry out second of bend pipe in same mould position, clamping and left curved guided mode 43 can unclamp, and feeding trolley 2 can push away
Dynamic pipe fitting moves to new position, turns certain angle if necessary to pipe fitting, and at this moment rotating servo motor 25 rotates, and drives feeding master
Axle 24 rotates, and realizes the rotation of pipe fitting different angle, and then clamping and left curved guided mode 43 clamp, and swing arm 51 rotates, and realizes same
Station bend pipe again.From feeding before and after feeding trolley 2, feeding main shaft 24 rotate, swing arm 51 rotate it is common coordinate realize that three-dimensional is curved
Pipe.
During bend pipe, axial oil cylinder 47 can promote guided mode to be acted along line slideway 481, make left curved guided mode 43 and swing arm
It is synchronized with the movement, while feeding trolley 2 can also push pipe fitting and is synchronized with the movement with swing arm 51, prevent pipe fitting to be pulled out of shape.
, need to be in above-described embodiment when needing to use different elbow radius mould positions to realize the switching of different bend pipe diameters
The different left curved round mould of one layer of elbow radius is superimposed in structure again, clamping and left curved guided mode 43 unclamp, and servomotor 361 acts,
It is driven by screw mandrel 363, drives whole head to laterally move, is made left curved round mould pipe fitting slightly away, avoid interference with, then watch
Take motor 353 to act, be driven by screw mandrel 353, drive whole head 5 to move up and down to mould position is needed, then servomotor 361
Motion, makes the curved round mould in an another left side and the center alignment of feeding trolley 2, then drives clamping, left curved guided mode 43 to clamp, and drive swing arm
51 move with circle mould, realize different mould positions bend pipe.
Step is changed the mold, keeps pipe fitting static with respect to frame 11 in the horizontal, the left curved round mould of control and clamping and left curved guided mode
43 open with release plumbing component, and control switch unit driving head 5 to make to justify mould and transversely deviate to avoid pipe fitting, then driving machine
First 5, which are vertically moved downward to the top of head 5, avoids pipe fitting；Bend pipe motor 55 is controlled to drive circle mould with swing arm 51 around drive shaft
54 rotation axis is rotated to second direction bend pipe position from first direction bend pipe position；Control switch unit driving head 5 edge
The top that pipe fitting is located at position between right curved round mould and corresponding clamping is laterally moved to, then drives head 5 to move vertically upwards
It is contour with pipe fitting to right curved round mould and to drive head 5 to laterally move coaxially arranged to right curved round mould and pipe fitting, then drive pair
Clamping is answered to clamp pipe fitting.
In this step, it is necessary to when carrying out reverse bend pipe, i.e., dextrad bend pipe when, clamping and left curved guided mode 43 can unclamp, and watch
Take motor 362 to act, be driven by screw mandrel 363, drive whole head motion, make left curved round mould pipe fitting slightly away, avoid doing
Relate to, then servomotor 351 acts, and is driven by screw mandrel 353, drives whole head 5 to be moved downward to specified location, avoids pipe
Part is interfered with the top of head 5；Then bend pipe motor 55 acts, and makes the axle of swing arm 51, clamping with circle mould around drive shaft 54
Line rotates 180 degree, switches to right bend pipe position so as to be rotated under the driving of bend pipe motor 55 from left bend pipe position, that is, is switching
During bend pipe direction, bend pipe motor 55 drives circle mould and swing arm 51 between left bend pipe position and right bend pipe position by drive shaft 54
Switching rotates.Then, control servomotor 361 to drive head 5 to laterally move to pipe fitting and be located at clamping and the meta of right curved round mould
The surface put, and control servomotor 491 to rotate and make corresponding right curved guided mode 42 positioned at the left side of right curved round mould, and the two
Between spacing ensure head 5 rise when will not interfere with pipe fitting；Then servomotor 351 is controlled to drive head 5 to rise to right curved circle
Mould and pipe fitting isometry position, and it is coaxial with pipe fitting to right curved round mould to control the action drives head 5 of servomotor 361 to laterally move
Arrange, then drive cylinder 63 acts and promotes corresponding clamping clamping pipe fitting and control servomotor 491 to drive left angle coupling mould 42
Pipe fitting is clamped, now, circle mould, guided mode 4 and the position distribution of clamping are as shown in figure 16, i.e., edge treats elbow member axially by feeding trolley
2 point to the direction of heads 5, and swing arm 51, clamping, right curved guided mode 42 are respectively positioned on the left side of round mould, i.e., they are located at right bend pipe position
Place.
Second direction bend pipe step, control control bend pipe motor 55 drives swing arm 51 to be rotated with circle mould towards second direction, right
The pipe section for being clamped in right curved round mould and right angle coupling intermode carries out bend pipe action, while controls feeding trolley 2 to drive feeding main shaft
24 drive right curved guided mode to be synchronized with the movement vertically with guided mode unit 4.Detailed process is referring to first direction bend pipe step.
After all bend pipe releases, clamping and guided mode 4 can unclamp, and clamping jaw unclamps, after removing curved good product manually,
Startup is pressed, clamping, guided mode, feeding trolley and all mould positions reset, return to initial position, press and open after feeding again
Dynamic, above-mentioned action is realized in repetition.
Embodiment 2
As the explanation to the embodiment of the present invention 2, the difference only pair with above-described embodiment 1 illustrates below, i.e., only right
The structure of clamping component illustrates.
Referring to Figure 17 and Figure 18, by setting pin-and-hole 5170 on the sidewall paneling of installation 50, in the present embodiment, adjustment is locked
Determining mechanism also includes check pin 961 and lock-screw 962, and the outer end oral area of pin-and-hole 5170 is provided with to be engaged with lock-screw 962
Screw thread, the extruding of arc that side wall of the inner end of check pin 961 formed with the installation axle portion 761 with eccentric shaft 76 is engaged
Face 9610, the arc compressive plane 9610 of check pin 961 is extruded the side wall of installation axle portion 761 by lock-screw 962, formed
Frictional fit face, secondary locking is carried out with the locking to the angle position of eccentric shaft 76.
Embodiment 3
As the explanation to the embodiment of the present invention 3, the difference only pair with above-described embodiment 1 illustrates below.
Referring to Figure 19 and Figure 20, the multi-turn lock hole of radially even arrangement can be set on fixed porose disc 953（In figure only
Two circles are shown）, often enclose lock hole being arranged circumferentially along the porose disc.And set in gear clearance adjusts porose disc 952 same
The equal multi-turn lock hole of the number of turns and radially pitch-row（Two circles are only shown in figure）, but have interval central angle between two adjacent rings
Difference, so as to reach the purpose of adjustment corner by being directed at the lock hole in different radial positions.
Embodiment 4
As the explanation to the embodiment of the present invention 4, the difference only pair with above-described embodiment 1 illustrates below.
Said gear transmission is substituted to be driven rotation and power between bend pipe motor and drive shaft using Chain conveyer, that is, is being driven
Dynamic main shaft passes through both tooth form chain links with setting gear on bend pipe motor.
Embodiment 5
As the explanation to the embodiment of the present invention 5, the difference only pair with above-described embodiment 1 illustrates below.
Referring to Figure 21, by being hinged the guiding swing rod 964 of more than one in mounting seat, to substitute in above-described embodiment 1
Arc chute, i.e., it is hinged to by hinge 965 in swing arm, the guiding swinging end of swing rod 964 is cut with scissors by hinge 966 and clamping seat 96
Connect, guiding swing rod 964 is arranged with lever 963 in swing process with keeping parallelism, resistance arm of its length and lever 963 etc.
It is long.The swinging end swinging track of swing rod 964 is guided to form the arc-shaped guide rail that clamping seat 96 is mounted opposite seat movement.
To make guiding swing rod 964 form generally planar plane of oscillation when swinging, to improve the stability of clamping driving,
It can be realized by least one of following structure design：（1）By setting guiding swing rod 964 on clamping seat 96 around its end
The lateral Displacement guiding groove 962 that hinge 966 rotates, the i.e. cell wall of lateral Displacement guiding groove 962 offset with the guiding bar wall of swing rod 964
Lean on and it is slided along cell wall and is formed generally planar plane of oscillation,（2）By being provided with guiding lever 963 on clamping seat 96
The lateral Displacement guiding groove that is rotated around its end hinge of resistance arm,（3）Guiding swing rod 964 is provided with around its end by mounting seat
The lateral Displacement guiding groove that portion's hinge 965 rotates.
The power set of the output straight-line displacement such as oil cylinder and power are substituted as actuator using linear electric motors, cylinder.
Embodiment 6
As the explanation to the embodiment of the present invention 6, the difference only pair with above-described embodiment 1 illustrates below.
Above-mentioned adjusting and locking mechanism is substituted using Fen Pandu mechanisms, to form the first gap adjusting mechanism, that is, utilizes index dial machine
Structure realizes adjustment, indexing and the requirement of position and lock to angle of eccentricity.
The central scope of the present invention is to be rotated by the swing arm of bend pipe motor driven and circle mould to carry out bend pipe action and on a left side
Switch between bend pipe position and right bend pipe position and rotate, and switching of the head between left and right bend pipe position is realized by changing the mold unit,
So as to realize that left and right is curved altogether using single swing arm, so that the pipe fitting of complicated bend pipe requirement can be machined with, to two bend pipe position ratios
The pipe fitting being closer to carries out bend pipe processing, and carries out again bend pipe to some pipe fittings for having carried out bend pipe processing and process；According to this structure
Think, the structure of mold changing unit and guided mode unit also has a variety of obvious conversion；For guided mode unit, for example two can be used
The guided mode mechanism of single movement substitutes monoblock type in above-described embodiment and changes the mold unit；For changing the mold unit, its major function is to push away
Motivation head does two dimensional motion in the plane perpendicular to pipe fitting axial direction, but is not limited to do the drive mechanism of two dimensional motion.
In addition, the power source in mold changing unit and guided mode unit can also use the dynamic of the linear movement outputs such as cylinder, linear electric motors and power
Power apparatus, it is not limited to the structure in above-described embodiment.
Claims (10)
1. a kind of simple pendulum arm or so altogether curved CNC tube bending machine, including frame, control unit and in the frame and by
The swan neck system and feeding trolley of described control unit control, the swan neck system include head, guided mode unit and switch unit；
It is characterized in that：
The head includes left curved round mould and the right curved round mould being arranged on stacked system in drive shaft, with the drive altogether of circle mould
The swing arm of dynamic main shaft, the clamping in the swing arm, and be connected with the drive shaft with drive round mould with it is described
Swing arm carries out bend pipe rotation and switches the bend pipe motor of rotation between left bend pipe position and right bend pipe position；The curved round mould in a left side with
The circle die cavity of the curved round mould in the right side is towards conversely；
The switch unit is driven the relatively described frame of the head by described control unit control perpendicular to treating elbow member
The transverse direction of axial direction moves up with perpendicular, drives the head to switch between left bend pipe position and right bend pipe position.
2. CNC tube bending machine according to claim 1, it is characterised in that：
The guided mode unit includes cloth-guiding base, on drive mechanism and the right curved guided mode and left side that are installed on the right side of the cloth-guiding base
Left curved guided mode；
The drive mechanism is driven the cloth-guiding base along the transverse shifting with left bend pipe position by described control unit control
Put and switch and moved along the axial reciprocating to aid in bend pipe to act between right bend pipe position；
The switch unit is driven the guided mode unit to be synchronized with the movement with the head by described control unit control.
3. CNC tube bending machine according to claim 2, it is characterised in that：
The switch unit includes the installing plate being arranged in the frame, can be pacified with sliding vertically along described by line slideway
Vertical slide plate on the installing plate, can laterally slidably it be arranged on the vertical slide plate along described by line slideway
Cross slide, the head be arranged on the cross slide on；
The drive mechanism includes can be along the support being laterally slidably arranged on the cross slide by line slideway
Seat, the cloth-guiding base can be axially slidably arranged on the support base by line slideway along described.
4. CNC tube bending machine according to claim 2, it is characterised in that：
The round die cavity includes curved bend pipeline section and straight line gripping section, and the straight line gripping section and the right side on the curved round mould in a left side are curved
The direction of the straight line gripping section of clamping is opposite；
Left angle coupling mould and the non-overlapping face region of projection of the right angle coupling mould in the plane perpendicular to the axis of the drive shaft；
Circle mould and matched clamping, guided mode form adaptation module, adjacent layer arrangement two groups of adaptation modules parallel to
The non-overlapping face region of projection in the plane of the axis.
5. according to the CNC tube bending machine described in any one of Claims 1-4 claim, it is characterised in that：
Be provided with clamping drive mechanism between the clamping and the swing arm, the clamping drive mechanism include clamping seat, reinforcement rocking bar,
Reinforcement connecting rod, boosting lever and actuator, the clamping seat arcuately guide rail can be slidably mounted in the swing arm, the cause
The stator of dynamic device is hinged in the swing arm；
The fixing end of the reinforcement rocking bar is hinged with the swing arm, and the mover of swinging end and the actuator is hinged；The reinforcement
The fulcrum of lever is hinged in the swing arm, and force side is hinged with the clamping seat；One end of the reinforcement connecting rod and the increasing
The swinging end of power rocking bar is hinged, and the force side of the other end and the boosting lever is hinged；The arc-shaped guide rail and the force side
Swinging track iso-curvature radius, the fulcrum is located at the swinging track adjacent to the downside of the drive shaft.
6. CNC tube bending machine according to claim 5, it is characterised in that：
The swing arm is provided with the side directing plate for being folded in the clamping seat both sides, and the arc-shaped guide rail is located at the side
Arc chute on directing plate, the sliding block being engaged with the arc chute is respectively provided with the both sides of the clamping seat.
7. according to the CNC tube bending machine described in any one of Claims 1-4 claim, it is characterised in that：
It is connected between the drive shaft and the bend pipe motor by gear drive, the gear drive includes
Input gear, transition gear, output gear and gap adjusting mechanism；
The input gear, the transition gear and the output gear are helical gear；
The gap adjusting mechanism includes being used for the first gap adjusting mechanism for adjusting sideshake between the transition gear and the output gear, and
For adjusting the second gap adjusting mechanism of sideshake between the input gear and the transition gear；
First gap adjusting mechanism includes eccentric shaft and for adjusting the corner of the eccentric shaft and its angle position being locked
Fixed adjusting and locking mechanism, the transition gear are rotatably sleeved on the eccentric shaft.
8. CNC tube bending machine according to claim 7, it is characterised in that：
The adjusting and locking mechanism includes the fixation porose disc that is fixedly connected with the mounting seat of the head, and one with the eccentric shaft
The gear backlash adjustment porose disc of axial end synchronous axial system connection, and selectively pass through a pair of locking hole on two porose discs
Stop pin.
9. CNC tube bending machine according to claim 7, it is characterised in that：
Second gap adjusting mechanism includes being used for the mounting seat for installing the input gear, and is installed in the mounting seat of the head
The upper adjustment mechanism for being used to promote the mounting seat so that the direction of the input gear towards the close transition gear is moved.
10. according to the CNC tube bending machine described in any one of Claims 1-4 claim, it is characterised in that described control unit
Including memory and processor, the memory storage has computer program, and the computer program is by the computing device
When can realize following steps：
After completing to the first direction bend pipe operation of pipe fitting, keep pipe fitting static with respect to frame in the horizontal, control first party
Xiang Yuanmo is opened with release plumbing component with clamping, and controls switch unit driving head first direction circle mould is transversely deviateed to keep away
Allow pipe fitting, then drive head to be vertically moved downward at the top of head and avoid pipe fitting；Control bend pipe motor driving circle mould and pendulum
Arm is rotated to second direction bend pipe position around the rotation axis of drive shaft from first direction bend pipe position；Switch unit is controlled to drive
Motivation head laterally moves to pipe fitting the top for being located at position between second direction circle mould and clamping, then drives head vertically
It is contour and drive head to laterally move to second direction to justify mould and the coaxial cloth of pipe fitting to move upwardly into second direction circle mould and pipe fitting
Put, then drive clamping to clamp pipe fitting, second direction bend pipe operation is carried out to pipe fitting；
The first direction circle mould is justified in mould with the second direction, and one is left curved round mould, and another one is right curved round mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710731527.5A CN107470408B (en) | 2017-08-23 | 2017-08-23 | Single swing arm left-right co-bending type numerical control pipe bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710731527.5A CN107470408B (en) | 2017-08-23 | 2017-08-23 | Single swing arm left-right co-bending type numerical control pipe bending machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107470408A true CN107470408A (en) | 2017-12-15 |
| CN107470408B CN107470408B (en) | 2023-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710731527.5A Active CN107470408B (en) | 2017-08-23 | 2017-08-23 | Single swing arm left-right co-bending type numerical control pipe bending machine |
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|---|---|---|---|---|
| CN108097828A (en) * | 2017-12-29 | 2018-06-01 | 浙江长兴和良智能装备有限公司 | A kind of feeding main shaft device and bending machine |
| CN108326090A (en) * | 2018-01-31 | 2018-07-27 | 江苏合丰机械制造有限公司 | A kind of forward and reverse angle pipe equipment |
| CN108356117A (en) * | 2018-01-31 | 2018-08-03 | 江苏合丰机械制造有限公司 | A kind of holding device of forward and reverse angle pipe equipment |
| CN108380715A (en) * | 2018-04-20 | 2018-08-10 | 浙江长兴和良智能装备有限公司 | A kind of bending machine |
| CN108672862A (en) * | 2018-04-24 | 2018-10-19 | 河南恒发科技股份有限公司 | A kind of elbow processing device applied to spark machine |
| CN109396230A (en) * | 2018-12-10 | 2019-03-01 | 浙江和良智能装备有限公司 | A kind of improved CNC tube bending machine of structure |
| CN109500163A (en) * | 2018-12-10 | 2019-03-22 | 三之信（天津）自动化设备有限公司 | A kind of full-automatic pipe fitting bending machine |
| CN109500167A (en) * | 2018-12-27 | 2019-03-22 | 苏州华尔普机械有限公司 | A kind of curved full-automatic complete electric bending machine of achievable any angle |
| CN110116154A (en) * | 2018-02-05 | 2019-08-13 | 海盐县铭新机械有限公司 | A kind of Full-automatic tube bending machine |
| CN110549087A (en) * | 2019-07-23 | 2019-12-10 | 苏州通富超威半导体有限公司 | automatic installation equipment for processor frame |
| CN111167902A (en) * | 2018-11-12 | 2020-05-19 | 苏迈特智能科技(江苏)有限公司 | Bidirectional pipe bender and working method thereof |
| CN111215495A (en) * | 2018-11-23 | 2020-06-02 | 苏迈特智能科技(江苏)有限公司 | Machine head for pipe bending machine and working method thereof |
| CN111215494A (en) * | 2018-11-23 | 2020-06-02 | 苏迈特智能科技(江苏)有限公司 | Die clamping device for pipe bending machine and working method thereof |
| CN113231504A (en) * | 2021-05-21 | 2021-08-10 | 宁波市鄞州亚大汽车管件有限公司 | Automatic pipe bending production line |
| CN115106437A (en) * | 2022-06-11 | 2022-09-27 | 上海精通空调有限公司 | Full-automatic flaring return bend all-in-one |
| CN115283506A (en) * | 2022-08-11 | 2022-11-04 | 浙江同星科技股份有限公司 | Automatic pipe bending forming machine for heat exchanger core lead-out pipe |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108097828A (en) * | 2017-12-29 | 2018-06-01 | 浙江长兴和良智能装备有限公司 | A kind of feeding main shaft device and bending machine |
| CN108097828B (en) * | 2017-12-29 | 2023-06-06 | 浙江长兴和良智能装备有限公司 | Feeding main shaft device and pipe bending machine |
| CN108326090A (en) * | 2018-01-31 | 2018-07-27 | 江苏合丰机械制造有限公司 | A kind of forward and reverse angle pipe equipment |
| CN108356117A (en) * | 2018-01-31 | 2018-08-03 | 江苏合丰机械制造有限公司 | A kind of holding device of forward and reverse angle pipe equipment |
| CN108326090B (en) * | 2018-01-31 | 2024-09-17 | 江苏合丰机械制造有限公司 | Forward and reverse pipe bending equipment |
| CN110116154B (en) * | 2018-02-05 | 2024-02-27 | 海盐县铭新机械有限公司 | Full-automatic pipe bending machine |
| CN110116154A (en) * | 2018-02-05 | 2019-08-13 | 海盐县铭新机械有限公司 | A kind of Full-automatic tube bending machine |
| CN108380715A (en) * | 2018-04-20 | 2018-08-10 | 浙江长兴和良智能装备有限公司 | A kind of bending machine |
| CN108380715B (en) * | 2018-04-20 | 2023-05-30 | 浙江长兴和良智能装备有限公司 | Pipe bending machine |
| CN108672862A (en) * | 2018-04-24 | 2018-10-19 | 河南恒发科技股份有限公司 | A kind of elbow processing device applied to spark machine |
| CN111167902A (en) * | 2018-11-12 | 2020-05-19 | 苏迈特智能科技(江苏)有限公司 | Bidirectional pipe bender and working method thereof |
| CN111215494A (en) * | 2018-11-23 | 2020-06-02 | 苏迈特智能科技(江苏)有限公司 | Die clamping device for pipe bending machine and working method thereof |
| CN111215495A (en) * | 2018-11-23 | 2020-06-02 | 苏迈特智能科技(江苏)有限公司 | Machine head for pipe bending machine and working method thereof |
| CN109396230B (en) * | 2018-12-10 | 2023-10-24 | 浙江和良智能装备有限公司 | Numerical control pipe bending machine with improved structure |
| CN109500163A (en) * | 2018-12-10 | 2019-03-22 | 三之信（天津）自动化设备有限公司 | A kind of full-automatic pipe fitting bending machine |
| CN109500163B (en) * | 2018-12-10 | 2024-05-14 | 三之信（天津）自动化设备有限公司 | Full-automatic pipe fitting bender |
| CN109396230A (en) * | 2018-12-10 | 2019-03-01 | 浙江和良智能装备有限公司 | A kind of improved CNC tube bending machine of structure |
| CN109500167A (en) * | 2018-12-27 | 2019-03-22 | 苏州华尔普机械有限公司 | A kind of curved full-automatic complete electric bending machine of achievable any angle |
| CN110549087B (en) * | 2019-07-23 | 2021-07-09 | 苏州通富超威半导体有限公司 | Automatic installation equipment for processor frame |
| CN110549087A (en) * | 2019-07-23 | 2019-12-10 | 苏州通富超威半导体有限公司 | automatic installation equipment for processor frame |
| CN113231504A (en) * | 2021-05-21 | 2021-08-10 | 宁波市鄞州亚大汽车管件有限公司 | Automatic pipe bending production line |
| CN113231504B (en) * | 2021-05-21 | 2024-05-03 | 宁波市鄞州亚大汽车管件有限公司 | Automatic pipe bending production line |
| CN115106437A (en) * | 2022-06-11 | 2022-09-27 | 上海精通空调有限公司 | Full-automatic flaring return bend all-in-one |
| CN115283506A (en) * | 2022-08-11 | 2022-11-04 | 浙江同星科技股份有限公司 | Automatic pipe bending forming machine for heat exchanger core lead-out pipe |
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