CN107626785A - A kind of CNC tube bending machine and bending method - Google Patents
A kind of CNC tube bending machine and bending method Download PDFInfo
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- CN107626785A CN107626785A CN201710892483.4A CN201710892483A CN107626785A CN 107626785 A CN107626785 A CN 107626785A CN 201710892483 A CN201710892483 A CN 201710892483A CN 107626785 A CN107626785 A CN 107626785A
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Abstract
The present invention relates to a kind of CNC tube bending machine and bending method, belongs to tubular object extruding processing technology field.Wherein, CNC tube bending machine includes control unit, frame and rack-mounted guided mode unit, clamping die unit, the auxiliary folder unit of plug and bend pipe motor；Plug is auxiliary with pressing from both sides unit main shaft drives driven with clamping die unit around rotation axis synchronous axial system, and it includes auxiliary sandwich rod and driver；Auxiliary sandwich rod is used to stretch into and extend in by clamping member from the front port of pipe fitting, coordinates with clamping die unit radially to be clamped by clamping member in pipe fitting；Driver is used to drive auxiliary sandwich rod to stretch into or detach pipe fitting.By setting up the auxiliary folder unit of plug on existing bending machine, to improve the clamping dynamics to pipe fitting by clamping member, gradient of the pipe fitting front port during bend pipe is efficiently reduced, so as to reduce the manufacturing procedure of four-way valve D connection and processing cost, can be widely used in the manufacturing technology fields such as air-conditioning.
Description
Technical field
The present invention relates to a kind of tubular object extruding equipment, specifically, it is related to a kind of CNC tube bending machine and curved suitable for the numerical control
The bending method that pipe machine uses.
Background technology
Publication No. is to disclose a kind of processing method of four-way reversing valve D connection in CN103350125A patent document,
The processing method carries out the bend pipe step of bend pipe behaviour to straight-run of pipe using bending machine and the pipe end after bend pipe is carried out
The forming step of processing and forming, to obtain structure four-way valve D connection 01 as shown in Figure 1.
In bend pipe step, straight tube is bent into by bend pipe operation by semi-finished product 02 as shown in Figure 2, the chi of semi-finished product 02
Very little is usually 26 millimeters of the radius of 120 millimeters of length, 9.2 millimeters of caliber, wall thickness 0.8-1.0 millimeters and bent portion 010, and it is curved
The length by clamping member 021 on pipe machine is L1, because tension and inner side are by stress on the outside of pipe fitting during bend pipe, for material
For the pipe fitting of stainless steel, when L1 is 7.25 millimeters, pipe end gradient L2 after bending can be caused to reach on 1.0 millimeters, it is difficult to reach
To four-way reversing valve requirement, it is necessary to set up cutting step in forming step, be in tilted layout part pipe end with excision.No
Treatment process is increase only, and causes cutter that very big, a usual import is lost positioned at discontinuously cutting because cutter cutting is stainless
Blade life only has thousand can process, and causes its processing cost to be difficult to reduce.
The content of the invention
It is an object of the invention to provide a kind of CNC tube bending machine, in case there is excessive gradient in pipe port during bend pipe, from
And the pipe end cutting action in remaining processing sequences can be omitted, it is effectively reduced the bend pipe processing cost of pipe fitting；
It is a further object of the present invention to provide a kind of bending method used suitable for above-mentioned CNC tube bending machine.
To achieve these goals, CNC tube bending machine provided by the invention includes control unit, frame and installed in frame
The head of upper and controlled unit control, head include guided mode unit, clamping die unit, the auxiliary folder unit of plug and bend pipe electricity
Machine, clamping die unit be used to clamping pipe fitting by clamping member, bend pipe motor by drive shaft drive clamping die unit around
The rotation axis of drive shaft is rotated to carry out bend pipe operation to pipe fitting；Plug it is auxiliary folder unit main shaft drives driven with clamping
For die unit around rotation axis synchronous axial system, it includes auxiliary sandwich rod and driver, wherein, auxiliary sandwich rod is used for before pipe fitting
Port is stretched into and extended in by clamping member, coordinates with clamping die unit radially to be clamped by clamping member, driver in pipe fitting
For driving auxiliary sandwich rod to stretch into or detach pipe fitting.
Before clamping die assembly is clamped to pipe fitting by clamping member, stretched from the front port of pipe fitting to it by clamping member
Enter an auxiliary sandwich rod, based on support of the auxiliary sandwich rod to pipe fitting inner wall and clamping die unit on pipe fitting outer wall radially towards
In chucking power, to realize clamping to pipe fitting radially, so as to during bend pipe, effectively reduce on the inside of pipe fitting end with
The intensity of variation of outside shift reverse, while the auxiliary thrust applied by guided mode during bend pipe to pipe fitting lateral wall, to subtract
Education and correction for juvenile offenders part lateral wall institute tension stress, that is, reduce inclined degree of the pipe fitting end after bend pipe processing to meeting project installation
It is required that so that the pipe end cutting action in subsequent treatment can be omitted, the processing of the parts such as four-way reversing valve D connection is effectively reduced
Cost.
One specific scheme includes circle mould and clamping for clamping die unit, circle mould be installed in drive shaft and with folder
Mould coordinates and clamps pipe fitting；Clamping is arranged on by clamp drive mechanism in the swing arm of head, swing arm main shaft drives driven
With circle mould synchronous axial system；The auxiliary folder unit of plug is arranged in swing arm., can be fine by the way that the auxiliary folder unit of plug is installed in swing arm
Ground makes it keep the synchronous axial system with clamping die unit, to simplify handpiece structure.
More specifically scheme is to be installed with lifting unit in swing arm, and the lifting unit is used to drive the auxiliary folder unit of plug relative
Circle mould back and forth lifts on vertical.By controlling moving up and down for the auxiliary clamp mechanism of plug, on the one hand, to pipe when can reduce discharging
The interference of part；On the other hand, the die of clamping dies unit being made up of more than two layers of circle mould with clamping is gone for.
Another specific scheme is that head is provided with lifting unit, and the lifting unit is used to drive auxiliary sandwich rod is relative to press from both sides
Die unit is held back and forth to lift on vertical.By controlling moving up and down for auxiliary sandwich rod, on the one hand, when can reduce discharging pair
The interference of pipe fitting；On the other hand, the die of clamping dies unit being made up of more than two layers of circle mould with clamping is gone for.
Preferable scheme is that lifting unit includes arriving level detection sensor, is used to detect auxiliary sandwich rod to level detection sensor
Whether opening position with the feeding main shaft of feeding trolley concentrically axis is raised to, and detection is believed in place to control unit output
Number.Effectively improve the accuracy rate that auxiliary sandwich rod moves into place.
Another preferable scheme includes guided mode backer and guided mode for the guided mode unit of head, and guided mode passes through vertically arranged
Dovetail keyway mechanism be arranged on guided mode backer on, guided mode backer is respectively installed with cantilevered branch in the opening position of both sides up and down of guided mode
Support seat；Screw rod end is installed against the adjusting screw of guided mode on cantilevered support base, the adjusting screw positioned at guided mode both sides is used for
Synergic adjustment is carried out to position of the guided mode on vertical.It is easy to the adjustment to guided mode position on vertical.
Preferred scheme is that frame is provided with auxiliary curved core rod unit, and auxiliary curved core rod unit includes stretching into from pipe fitting rear port
The auxiliary curved plug at bent portion is treated in pipe fitting；By the leading section that clamping member is pipe fitting.Efficiently reducing bent portion, section occur ellipse
The problem of sphering or wall wrinkle, further improve the bending quality of pipe fitting.
Further scheme is that control unit includes processor and memory, and memory storage has computer program, calculates
Machine program can realize following steps when being executed by processor：
Gripping step, axial advancement of the rack-mounted feeding trolley along feeding main shaft, by clamping in feeding main shaft
On the leading section for treating elbow member deliver to clamping die unit clamping die cavity in；Driver drives auxiliary sandwich rod to stretch into by clamp
In portion, auxiliary curved plug is stretched into the treating at bent portion of pipe fitting by auxiliary curved core rod unit；Die unit clamping is clamped by clamping member, guided mode
Unit driving guided mode clamps pipe fitting along the transverse shifting perpendicular to feeding main shaft axial direction with one side；
Bend pipe step, bend pipe motor driving clamping die unit are rotated to carry out bend pipe operation to pipe fitting around rotation axis,
Meanwhile guided mode unit drives guided mode to be moved axially along feeding main shaft with auxiliary ejector sleeve part.
In order to realize above-mentioned another object, bending method provided by the invention includes gripping step and bend pipe step；Wherein,
Gripping step includes stretching into an auxiliary sandwich rod from the front port of pipe fitting, and extends in by clamping member of pipe fitting, with bending machine
Clamping die unit coordinates described by clamping member radially to be clamped in pipe fitting；Bend pipe step includes clamping die unit and auxiliary folder
Plug is around rotation axis synchronous axial system with to pipe fitting progress bend pipe operation.
By the way that before being clamped to pipe fitting by clamping member, an auxiliary folder is stretched into by clamping member to it from the front port of pipe fitting
Plug, the clamping based on support of the auxiliary sandwich rod to pipe fitting inner wall and clamping die unit on pipe fitting outer wall radially inward
Power, to realize the clamping to pipe fitting radially, so as to which during bend pipe, it is reverse effectively to reduce pipe fitting end inner and outer
The intensity of variation of displacement, that is, reduce pipe fitting end bend pipe processing after inclined degree to meet project installation requirement, with
The pipe end cutting action in subsequent treatment can be omitted, effectively reduces the processing cost of the parts such as four-way reversing valve D connection.
Specific scheme is that gripping step also includes stretching into an auxiliary curved plug from the rear port of pipe fitting, and extends pipe fitting
Treat at bent portion.
Brief description of the drawings
Fig. 1 is a kind of existing structural representation of four-way reversing valve D connection；
Fig. 2 is a kind of existing structural representation of four-way reversing valve D connection semi-finished product；
Fig. 3 is the stereogram of CNC tube bending machine embodiment of the present invention；
Fig. 4 is Fig. 3 A partial enlarged drawings；
Fig. 5 is Fig. 3 B partial enlarged drawings；
Fig. 6 is structure decomposition figure of the head after guided mode unit is omitted in CNC tube bending machine embodiment of the present invention；
Fig. 7 is the stereogram of guided mode unit in CNC tube bending machine embodiment of the present invention；
Fig. 8 is the flow chart for carrying out bend pipe processing to pipe fitting using the embodiment of the present invention；
Fig. 9 is the original state schematic diagram for carrying out bend pipe operation to pipe fitting using CNC tube bending machine embodiment of the present invention；
Figure 10 is the done state schematic diagram for carrying out bend pipe operation to house keeper using CNC tube bending machine embodiment of the present invention.
Embodiment
With reference to embodiments and its accompanying drawing the invention will be further described.
CNC tube bending machine embodiment
Referring to Fig. 3 to Fig. 7, CNC tube bending machine of the present invention is double bend formula CNC tube bending machine, including frame 11, control unit
And in frame 11 and controlled unit control left feeding trolley 12, left head 13, right feeding trolley 14, right head
15th, the curved core rod unit 17 of inside left and the curved core rod unit 18 of inside right forward.Right feeding trolley 14 is identical with the structure of left feeding trolley 12, right
The structure of head 15 is identical with the structure page of left head 13, there is the structure of auxiliary curved core rod unit 18 and the curved core rod unit 17 of inside left
Structure is identical, below by by left feeding trolley 12, left head 13, the curved unit 17 of inside left structure exemplified by their structures with work
Process is described in detail.
As shown in Figures 3 to 5, left feeding trolley 12 includes two straight lines being arranged parallel to being fixed in frame 11
Guide rail 21, the feeding slipway 22 being slidably mounted on line slideway 21, along the length direction cloth parallel to line slideway 21
The feeding rack 23 being fixed on putting in frame 11, the feeding main shaft that can be arranged on around own axis on feeding slipway 22
24, the three-clove style clamping jaw 240 driven installed in the front end of feeding main shaft 24 and by clamping jaw cylinder 27, for driving 24 turns of feeding main shaft
Dynamic rotating servo motor 25, and coordinated by the gear on armature spindle and feeding rack 23 to drive the edge of feeding slipway 22
The feeding servomotor 26 that line slideway 21 moves back and forth.
As shown in Fig. 3, Fig. 5, Fig. 6 and Fig. 7, left head 13 includes mounting seat 30, swing arm 31, clamping die unit 4, plug
It is auxiliary to press from both sides unit 5, lifting unit 6, guided mode unit 7 and drive swing arm 31 with clamping die unit 4 around drive by same root drive shaft
The bend pipe motor 32 that the rotation axis 01 of dynamic main shaft rotates.Wherein, drive shaft includes power transmission shaft 33 and fixed with power transmission shaft 33
The connecting shaft 34 of connection, power transmission shaft 33 are connected by gear drive or chain drive with bend pipe motor 32.
Mounting seat 30 is fixed in frame 11 by fixing bolt, and whole left head 13 is fixed in frame 11.Pendulum
Arm 31 is fixed on power transmission shaft 33 by fixing bolt, to be rotated with drive shaft.
As shown in Fig. 3, Fig. 5 and Fig. 6, clamping die unit 4 includes circle mould 41 and clamping 42, and circle mould 41 is fixed on connecting shaft
34, with the driving of drive shaft and with swing arm 31 around the synchronous axial system of rotation axis 01；Clamping 42 is fixed on clamping backer 43
On, clamping backer 43 is arranged in swing arm 31 by clamp drive mechanism；Clamp drive mechanism bag is used to drive clamping 42 close
Circle mould 41 and realize closure or realized away from circle mould 41 and open, with circle die cavity 410 and the clamping 42 on control circle mould 41
Clamping chamber closes and realizes clamping to pipe fitting or opening and realize the release to pipe fitting in the horizontal.
As shown in Fig. 3, Fig. 5 and Fig. 6, the auxiliary folder unit 5 of plug includes mounting seat 50, auxiliary sandwich rod 51 and driver 52, auxiliary
Sandwich rod 51 being axially slidably arranged in mounting seat 50 along feeding main shaft 24；Driver 52 is installed in peace by its stator
Fill on seat 50, and its mover is fixedly connected with auxiliary sandwich rod 51, is moved back and forth vertically with the auxiliary sandwich rod 51 of push-and-pull.Wherein, drive
Dynamic device 52 is straight-line displacement output device, may be selected from the group of linear electric motors, oil cylinder, cylinder or electric rotating machine and leading screw and nut mechanism
Close, in the present embodiment from oil cylinder.
As shown in Fig. 3, Fig. 5 and Fig. 6, lifting unit 6 includes the installing plate 60 being fixed on by fixing bolt in swing arm 31,
The vertical slide plate 62 being slidably mounted in by vertically arranged guide rail slide block mechanism 61 on installing plate 60, it is perpendicular for driving
The driver 63 moved back and forth to slide plate 62 on vertical, and whether be moved to and give on vertical for detecting auxiliary sandwich rod 51
Concentrically the opening position of axis arrive level detection sensor to material main shaft 24, should be to level detection sensor to control unit output in place
Detection signal, so that control unit controls the displacement of the mover of driver 63 on vertical according to detection signal in place.Driving
Device 63 is straight-line displacement output device, may be selected from linear electric motors, oil cylinder, cylinder, elects oil cylinder as in the present embodiment.The auxiliary folder of plug
Unit 5 is fixed on vertical slide plate 62 by its mounting seat 50, so as to drive vertical slide plate 62 to be led along straight line by driver 63
Rail slide block mechanism 61 moves back and forth on vertical and promotes the auxiliary folder unit 5 of plug to be moved back and forth on vertical, then promotes auxiliary folder
Plug 51 rises to the position with the concentrically axis of feeding main shaft 24, to realize that driver 52 can promote auxiliary sandwich rod 51 from pipe fitting
Stretched at front port in pipe fitting, or drop to the lower position positioned at feeding main shaft 24, to avoid the discharging of pipe fitting.And in swing arm
31 with clamping die unit 4 is rotated under the driving of drive shaft around rotation axis 01 when, enable whole plug it is auxiliary press from both sides unit 5 around
Rotation axis 01 is with the two around the synchronous axial system of rotation axis 01.In the present embodiment, travel switch is selected to level detection sensor.
As shown in Fig. 3, Fig. 5, Fig. 6 and Fig. 7, guided mode unit 7 includes guided mode backer 70, guided mode 71, two-dimentional drive mechanism 72
And adjustment mechanism 73, wherein, guided mode 71 is arranged on guided mode backer 71 by vertically arranged dovetail keyway mechanism 710, is led
Mould backer 71 is arranged in mounting seat 30 by two-dimentional drive mechanism 72, and two-dimentional drive mechanism 72 is used to drive the edge of guided mode backer 72
The axial direction of feeding main shaft 24 and vertically moved up with the horizontal of the axial direction, to realize the pipe fitting to clamping in feeding main shaft 24
One side clamping and vertically auxiliary pushes away during bend pipe.
The two-dimentional drive mechanism 72 includes the horizontal stroke being arranged on by the guide rail slide block mechanism 720 being arranged along the horizontal on head 30
To slide plate 721, the traverse driver for promoting cross slide 721 to laterally move, the L-type installation being fixed on cross slide 721
Seat 722, and the axially driving device for promoting guided mode backer 71 to slide axially；Traverse driver is straight-line displacement output device, can
Selected from linear electric motors, oil cylinder, cylinder etc., in the present embodiment selected from cylinder.Guided mode backer 71 passes through the axle along feeding main shaft 24
It is arranged on to the straight-line guide rail slide block mechanism 724 of arrangement in L-type mounting seat 722, axially driving device is straight-line displacement output device,
Linear electric motors, oil cylinder, cylinder etc. are may be selected from, in the present embodiment, axially driving device is elected as including being installed in L-type mounting seat 722
On electric rotating machine 723, the gear that is installed on the armature spindle of electric rotating machine 723 and be installed on guided mode backer 71 and and gear
The spur rack being engaged, the spur rack are axial arranged along feeding main shaft 24.
Guided mode backer 70 is respectively installed with cantilevered support base, respectively lower cantalever formula in the opening position of both sides up and down of guided mode 71
Support base 725 and upper cantilever formula support base 727, screw rod end is installed against leading in the screw on lower cantalever formula support base 725
Lower adjusting screw 726 on the lower surface of mould 71, screw rod end is installed against guided mode in the screw on upper cantilever formula support base 727
Upper adjusting screw 728 on 71 upper surfaces, so as to down be turned by the collaboration of upper and lower two adjusting screws to make guided mode 70 down
Mobile or collaboration up turns and moves up guided mode 70, so as to reach to position of the guided mode 71 with respect to guided mode backer 70 on vertical
It is adjusted.
As shown in Figures 3 and 4, the curved unit 17 of inside left include be arranged on frame 11 on L-type mounting seat 80, auxiliary curved plug and
It is used for the driver 82 of the auxiliary curved plug of push-and-pull in mounting seat 80, in the present embodiment, auxiliary curved plug selects cylinder bulb
Plug, driver 82 are oil cylinder.
In the present embodiment, when this CNC tube bending machine 1 is placed in the horizontal plane, i.e., when drive shaft is vertically arranged,
The axial direction of feeding main shaft 24 arranges that listed " transverse direction " refers to the water perpendicular with the axial direction of feeding main shaft 24 in text in the horizontal direction
Square to, also with clamping the upper pipe fitting of feeding main shaft 24 axially it is mutually orthogonal；Listed " vertical " refer to it is vertical, i.e., its also with feeding
The axial direction of main shaft 24 is mutually orthogonal." front port " and " rear port " of pipe fitting refers to, the direction of circle mould 41 is pointed to along feeding main shaft 24,
The direction of clamping die unit is pointed to along feeding main shaft, the downstream port of pipe fitting is front port, and upstream port is rear port.
As shown in Figures 1 to 10, control unit includes processor, memory and for receiving operating personnel's input instruction
Touch-screen, memory storage have computer program, and processor after the operational order inputted on the touchscreen is received, deposit by execution
Corresponding computer program in memory is stored up, realizes gripping step S1 as shown in Figure 8, bend pipe step S2 and discharge step
S3, to perform bend pipe operation to pipe fitting.
Gripping step S1, axial advancement of the left feeding trolley 12 along feeding main shaft 24, by clamping in feeding main shaft 24
Treat that the leading section of elbow member 02 is delivered in the clamping die cavity of clamping die unit 4；Driver 52 drives auxiliary sandwich rod 51 from pipe fitting
02 front port 021 stretches into and extends in by clamping member of pipe fitting, and auxiliary curved core rod unit 17 is by auxiliary curved plug 81 from pipe fitting 02
Rear port 020 stretches into and extends the treating at bent portion of pipe fitting 02；Clamping die unit 4 controls clamping 42 close to circle mould 41 and pressed from both sides
Hold being laterally moved by clamping member 022, the driving guided mode 70 of guided mode unit 7 with one side clamping pipe fitting for pipe fitting 02.
In this step, pipe fitting is its leading section by clamping member, so as to bend pipe go out the half of four-way reversing valve D connection into
Product.The distribution schematic diagram of each critical piece is as shown in figure 9, wherein, auxiliary sandwich rod 51 by the inwall of clamping member 022 to being entered after clamping
Row support, and clamping 42 applies chucking power radially inwardly with circle mould 41 on the outer wall by clamping member 022, so as in pipe
Part radially to being clamped by clamping member 022, with efficiently reduce by clamping member 022 during bend pipe inner side tube wall by should
Power and outside tube wall tension power and there is gradient in end face that front port 021 occur.
Bend pipe step S2, the driving clamping die unit 4 of bend pipe motor 32 are rotated around rotation axis 01 to be carried out to pipe fitting 02
Bend pipe operates, meanwhile, guided mode unit 7 drives guided mode 70 to be axially moveable with auxiliary ejector sleeve part 02.
During bend pipe, the bulb end of auxiliary curved plug 81 can be carried out to pipe fitting bent portion against spacing and be effectively prevented from
The problems such as its cross section variation ellipse.The distribution schematic diagram of each critical piece is as shown in Figure 10 after completion bend pipe.
Discharge step S3, clamping die unit 4 control clamping 42 to be opened away from circle mould 41, and driver 52 is by auxiliary sandwich rod
51 extract out from pipe fitting, and driver 63 controls the auxiliary folder unit 5 of whole plug to move down to reduce the interference to pipe fitting discharging.
By setting up the auxiliary folder unit 5 of above-mentioned plug, i.e., during bend pipe, pass through auxiliary sandwich rod 51 and circle mould 41, clamping
42 inside and outside clamp cooperation and improve to the clamping dynamics by clamping member, you can reduce pipe portion translocation distance, and be aided with guided mode 70 and exist
Auxiliary thrust during bend pipe, to reduce institute's tension stress on the outside of bent portion, bend pipe processing is carried out to size tubulars as shown in Figure 2
Afterwards, its end face gradient L2 can be contracted to 0.2-0.3 millimeters from 1 millimeter of current techniques, so as to directly be turned in engineering
With use, plane machining is carried out without carrying out end again, not only saves end cut program, and reduce waste of material.
Bending method embodiment
Bending method embodiment has been explained in detail in above-mentioned CNC tube bending machine embodiment, will not be repeated here,
But the structure of this bending method bending machine that embodiment is applicable is not limited to above-mentioned CNC tube bending machine embodiment.
The present invention central scope be by setting up the auxiliary folder unit of plug on head, with clamping die unit coordinate and
Pipe fitting radially clamps pipe fitting, improves the clamping dynamics to pipe fitting, with can clamp well pipe fitting by clamping member, effectively subtract
Education and correction for juvenile offenders part by clamping member during bend pipe inner and outer deform shift amount, reach save the smooth process in end face with save material
The requirement of material, according to this design, clamping die assembly, guided mode unit, lifting unit, auxiliary curved core rod unit, the knot of feeding trolley
Structure also has a variety of obvious changes.Wherein, the installation relation between head and frame is not limited in above-described embodiment
Directly be fixedly connected with relation, can be also indirectly mounted to by intermediary agency in frame, such as use is installed in frame
In controlling vertical in the axial direction of feeding main shaft, on the axial direction of whole head or in the axial transverse direction
In a direction or two or more direction on movement.Clamping die unit be not limited in above-described embodiment by circle mould with
The horizontal open-close type clamping device of clamping composition, it may also be arranged to the syntype structure up and down on vertical.
Claims (10)
1. a kind of CNC tube bending machine, including control unit, frame and controlled in the frame and by described control unit
Head；The head includes guided mode unit, clamping die unit and bend pipe motor, and the clamping die unit, which is used to clamp, manages
Part is driven rotation of the clamping die unit around the drive shaft by clamping member, the bend pipe motor by drive shaft
Axis is rotated to carry out bend pipe operation to pipe fitting；
Characterized in that, the head is provided with the auxiliary folder unit of plug, the auxiliary folder unit of plug is driven by the drive shaft
Ground includes with the clamping die unit around the rotation axis synchronous axial system, the auxiliary folder unit of plug：
Auxiliary sandwich rod, it is described in by clamping member for stretching into and extending from the front port of pipe fitting, match somebody with somebody with the clamping die unit
Close described by clamping member radially to be clamped in pipe fitting；
Driver, for driving the auxiliary sandwich rod to stretch into or detach pipe fitting.
2. CNC tube bending machine according to claim 1, it is characterised in that：
The clamping die unit includes the circle mould being installed in the drive shaft, and described to clamp with the round mould cooperation
By the clamping of clamping member；
The clamping is arranged on by clamp drive mechanism in the swing arm of the head, and the swing arm is driven by the drive shaft
Ground and the round mould synchronous axial system；
The auxiliary folder unit of plug is arranged in the swing arm.
3. CNC tube bending machine according to claim 2, it is characterised in that lifting unit is installed with the swing arm, it is described
Lifting unit is used to drive the auxiliary folder relatively described round mould of unit of the plug back and forth to lift on vertical.
4. CNC tube bending machine according to claim 1, it is characterised in that the head is provided with lifting unit, the liter
Drop unit is used to drive the relatively described clamping die unit of the auxiliary sandwich rod back and forth to lift on vertical.
5. the CNC tube bending machine according to claim 3 or 4, it is characterised in that the lifting unit includes detection in place and passed
Sensor；
It is described to level detection sensor be used for detect the auxiliary sandwich rod whether be raised to the feeding main shaft of feeding trolley altogether in
The opening position of mandrel line, and export detection signal in place to described control unit.
6. according to the CNC tube bending machine described in any one of claim 1 to 5 claim, it is characterised in that：
The guided mode unit includes guided mode backer and guided mode, and the guided mode is arranged on by vertically arranged dovetail keyway mechanism
On the guided mode backer, the guided mode backer is respectively installed with cantilevered support base in the opening position of both sides up and down of the guided mode；
Screw rod end is installed against the adjusting screw of the guided mode on the cantilevered support base, the institute positioned at the guided mode both sides
Adjusting screw is stated to be used to carry out synergic adjustment to position of the guided mode on vertical.
7. CNC tube bending machine according to claim 6, it is characterised in that：
The frame is provided with auxiliary curved core rod unit, and the auxiliary curved core rod unit includes stretching into the to be curved of pipe fitting from pipe fitting rear port
Auxiliary curved plug at pipe portion；
The leading section by clamping member for pipe fitting.
8. CNC tube bending machine according to claim 7, it is characterised in that described control unit includes processor and storage
Device, the memory storage have computer program, and the computer program can be realized following steps during the computing device：
Gripping step, axial advancement of the feeding trolley along feeding main shaft in the frame, by clamping in the feeding
The leading section for treating elbow member on main shaft is delivered in the clamping die cavity of the clamping die unit；The driver driving is described auxiliary
Sandwich rod stretches into described in by clamping member, and the auxiliary curved plug is stretched into the treating at bent portion of pipe fitting by the auxiliary curved core rod unit；
The clamping die unit clamping is described by clamping member, and the guided mode unit drives the guided mode along perpendicular to the axial horizontal stroke
Pipe fitting is clamped with one side to mobile；
Bend pipe step, the bend pipe motor driving clamping die unit rotate curved to be carried out to pipe fitting around the rotation axis
Pipe operates, meanwhile, the guided mode unit drives the guided mode along the axial movement with auxiliary ejector sleeve part.
A kind of 9. bending method, it is characterised in that including：
Gripping step, an auxiliary sandwich rod is stretched into from the front port of pipe fitting, and extend in by clamping member of pipe fitting, with bending machine
Clamping die unit coordinates described by clamping member radially to be clamped in pipe fitting；
Bend pipe step, the clamping die unit is with the auxiliary sandwich rod around rotation axis synchronous axial system with to pipe fitting progress bend pipe
Operation.
10. bending method according to claim 9, it is characterised in that the gripping step also includes：
An auxiliary curved plug is stretched into from the rear port of pipe fitting, and extends the treating at bent portion of pipe fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710892483.4A CN107626785A (en) | 2017-09-27 | 2017-09-27 | A kind of CNC tube bending machine and bending method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710892483.4A CN107626785A (en) | 2017-09-27 | 2017-09-27 | A kind of CNC tube bending machine and bending method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107626785A true CN107626785A (en) | 2018-01-26 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109127812A (en) * | 2018-06-26 | 2019-01-04 | 中国工程物理研究院材料研究所 | A kind of control system of numerical controlled pipe bender |
| CN110560524A (en) * | 2019-09-27 | 2019-12-13 | 常州至能自动化设备有限公司 | Multi-radius pipe bender |
| CN110614303A (en) * | 2019-10-12 | 2019-12-27 | 安徽中鼎流体系统有限公司 | Automatic pipe bending equipment for parking oil pipe |
| CN110624985A (en) * | 2018-06-21 | 2019-12-31 | 顺心企业股份有限公司 | Bending machine |
| CN111283026A (en) * | 2018-12-07 | 2020-06-16 | 江苏星和金溢实业有限公司 | Manipulator automatic feeding formula double-end bending machine |
| CN112207187A (en) * | 2019-07-12 | 2021-01-12 | 力山工业股份有限公司 | Bent pipe clamping die device |
| CN113275424A (en) * | 2021-05-13 | 2021-08-20 | 宁波亚大自动化科技有限公司 | Brake pipe joint bending equipment |
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| JPH06218436A (en) * | 1993-01-26 | 1994-08-09 | Mazda Motor Corp | Bending device for double pipe |
| JPH09327728A (en) * | 1996-06-08 | 1997-12-22 | Chiyoda Kogyo Kk | Main mandrel mounting device for tube bending device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110624985A (en) * | 2018-06-21 | 2019-12-31 | 顺心企业股份有限公司 | Bending machine |
| CN109127812A (en) * | 2018-06-26 | 2019-01-04 | 中国工程物理研究院材料研究所 | A kind of control system of numerical controlled pipe bender |
| CN109127812B (en) * | 2018-06-26 | 2020-03-10 | 中国工程物理研究院材料研究所 | Numerical control pipe bending machine control system |
| CN111283026A (en) * | 2018-12-07 | 2020-06-16 | 江苏星和金溢实业有限公司 | Manipulator automatic feeding formula double-end bending machine |
| CN112207187A (en) * | 2019-07-12 | 2021-01-12 | 力山工业股份有限公司 | Bent pipe clamping die device |
| CN110560524A (en) * | 2019-09-27 | 2019-12-13 | 常州至能自动化设备有限公司 | Multi-radius pipe bender |
| CN110560524B (en) * | 2019-09-27 | 2024-05-28 | 常州至能自动化设备有限公司 | Multi-diameter pipe bending machine |
| CN110614303A (en) * | 2019-10-12 | 2019-12-27 | 安徽中鼎流体系统有限公司 | Automatic pipe bending equipment for parking oil pipe |
| CN113275424A (en) * | 2021-05-13 | 2021-08-20 | 宁波亚大自动化科技有限公司 | Brake pipe joint bending equipment |
| CN113275424B (en) * | 2021-05-13 | 2024-02-02 | 宁波亚大自动化科技有限公司 | Bending equipment for brake pipe joint |
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Application publication date: 20180126 |