CN104858272A - Pipeline bending machine - Google Patents
Pipeline bending machine Download PDFInfo
- Publication number
- CN104858272A CN104858272A CN201510236221.3A CN201510236221A CN104858272A CN 104858272 A CN104858272 A CN 104858272A CN 201510236221 A CN201510236221 A CN 201510236221A CN 104858272 A CN104858272 A CN 104858272A
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- China
- Prior art keywords
- pipeline
- bending
- bender
- clamping
- bent
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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
- B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
- B21D7/085—Bending rods, profiles, or tubes by passing between rollers or through a curved die by passing through a curved die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- 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
Abstract
The invention discloses a pipeline bending machine. The pipeline bending machine comprises pipeline bending dies, pipeline supporting assemblies used for clamping a pipeline to be bent at one end in the bending feeding direction of the to-be-bent part of the pipeline, and a bending clamping assembly used for clamping the bent pipeline at the other end of the to-be-bent part of the pipeline and then exerting acting force on the end to enable the to-be-bent part of the pipeline to be attached to the pipeline bending dies so that the to-be-bent part of the pipeline can be bent into the needed shape. The two pipeline supporting assemblies are matched with the two pipeline bending dies respectively, the bending clamping assembly can be driven to rotate in two directions in the axial direction of the pipeline bending dies on the peripheries of the pipeline bending dies, and through selection of the two rotating directions of the bending clamping assembly, the pipeline can be bent in the two directions through the pipeline supporting assembly and the pipeline bending die which are arranged on the corresponding side and matched. By means of the pipeline bending machine, the pipeline can be bent in multiple directions, the bending angle or radian can be set at will, and therefore the working efficiency of the bending machine is greatly improved, and the application range of the bending machine is greatly enlarged.
Description
Technical field
The invention belongs to pipeline processing technical field, be specifically related to a kind of pipeline bender, for realize along on conduit axis direction to pipeline in any direction with the repeatedly bending in angle.
Background technology
Bend pipe particularly metal winding pipe has application in a lot of fields, and such as, in automobile industry, a large amount of metal winding pipes with multiple bending angle and wrap direction is for the manufacture of the pipeline in conduit under fluid pressure or air-pressure duct, particularly automobile brake system and air-conditioning system.
The manufacture of metal winding pipe adopts bending machine to machine at present in a large number.Bending machine generally includes jaw for clamping straight tube, be arranged on bending die on bending direction and for pipeline being pressed on the hold down gag on bending die, profile pipeline being pressed on bending die by utilizing this hold down gag rotating, pipe bending can be become arrange the curved shape of angle.
As shown in Figure 1, a kind of bending machine is disclosed in US Patent No. 2003061853A1, it comprises fixture 5, bending die 4 and compact heap 7, after pipeline to be bent is clamped by fixture 5, described compact heap 7 clamping pipe makes on its bending curve being pressed on bending die 4, and rotate to an angle, thus pipe bending can be become set angle, complete bend pipe process.
Above-mentioned bending machine can realize the bending fast and accurately of metallic conduit, and bend pipe precision is high, and efficiency is high, is being widely used at present.Because the shape requirements of current bend pipe is of all kinds, usually need pipeline to have multiple bent angle, and bent angle direction and bending angle may be of all kinds.Existing bending machine is under normal circumstances by the rotation to clamping pipeline, can realize its bending in all directions, if such as need the bent angle of two antipodal wrap direction, normally first by compact heap by pipeline to a direction bending, then pipeline is rotated 180 °, bend to same direction again, thus realize on pipeline, realize two antipodal bent angles.
But, due to the arrangement relation of the fixture on bending angle, line size and bender, bending die, compact heap or the parts such as driving mechanism, transmission mechanism, some pipelines after bending due to the anglec of rotation of pipeline that makes of the existence of kyphotic angle greatly limit, the particularly rotation of wide-angle, because bending pipeline may produce with the device on lathe interfere, greatly limit the multi-direction requirement capability bent arbitrarily with multi-angle of pipeline bending like this, make existing bender cannot adapt to current needs.
For overcoming the problems referred to above, also there are some improved plans in prior art, such as a kind of scheme bending die is set to upper and lower two groups, two bending dies symmetrically structure, can bend with top bending die in a direction, pipeline is then displaced downwardly to lower knuckle mould by bending in the opposite direction, thus realizes the pipe bending of different directions.Another scheme is the activity form being set to by bending die to spin upside down, when needs carry out rightabout bending, only need bending die to overturn up or down, pipeline is pressed on bending die by recycling pressure assembly, realizes the bending of pipeline different directions.
This mode to rotate by limiting to the bending direction that causes and the not high defect of angle adaptability because pipeline is interfered although can overcome, but, still there is larger defect in technique scheme, first, above-mentioned usually need design two groups identical pressure block assembly and supporting component, symmetrical two groups of bending moulds are up and down set simultaneously, overall structure size and the complexity of machine can be enlarged markedly like this, production cost is made obviously to increase, and cross arranging of multicompartment or parts the movement of workpiece on different station or transmission are made troubles, the larger pipeline of part bending degree even may be made cannot to move between two bending moulds and carry out the bending of different directions.Another utilizes the upset of the station up and down of bending mould and mode by arranging pressure block assembly moving up and down and supporting component, then bending precision can be caused to reduce due to the frequent movement of assembly, produce a large amount of vibration & noise simultaneously, particularly because bending die attaches transmission mechanism and actuating unit usually, its volume and structure huge, spinning upside down of bending die also can produce larger vibration & noise, but also needs a large amount of drivings or transmission mechanism to support this movement.What is more important, because usual bending pipeline is for such as automobile, the air-conditioning of aircraft etc., in the hydraulic pressure such as braking or baric systerm, its accuracy for pipeline bending requires very high, the loss of some precision all may cause whole pipeline to be scrapped, no matter above-mentioned bender scheme is by arranging the mode organized identical assembly or adopt dynamic mobile more, the precision of capital on device brings impact, that such as organizes same components is arranged so that assembly difficulty is large more, be difficult to make same components ensure coupling from precision, then considerable influence can be produced due to a large amount of the moving back and forth of device to precision by the mode of moving assembly, simultaneously also can because of the accuracy of wearing and tearing and influence of noise bending.
Summary of the invention
For above defect or the Improvement requirement of prior art, the invention provides a kind of pipeline bender, it is optimized design by doubling angle coupling lamps structure, and corresponding supporting Bending Mould is set, thus the bending that can realize pipeline multiple directions, and bending angle or radian can be arranged arbitrarily, this apparatus structure simply, without the need to the upset or moving of supporting component carrying out bending mould is arranged, vibration & noise is little, and bending precision is high.
For achieving the above object, according to the present invention, provide a kind of pipeline bender, can realize the dog leg of pipeline at symmetry direction, it comprises:
Pipeline bender, its for the pipeline until bending is attached on it and thus after stressed, be bent into required angle;
Pipeline support mechanism, is arranged on the side that pipeline bender is positioned at supplied materials direction, treats bending pipeline, so that pipeline treats that a side ducts of kink can bending by supporting for treating that at pipeline one end of the bending feed direction of bending part supports; And
Bending clamp assemblies, it is arranged on the opposite side in the relative supplied materials direction of pipeline bender, and be connected with driving mechanism, for treating that at pipeline the other end clamping of bending part is by bending pipeline, and and then be actuated to make pipeline treat bending part to be attached on described pipeline bender and thus be bent into required direction and angle;
It is characterized in that, described pipeline support mechanism comprises two groups of pipeline support assemblies, its interval, ground that is mutually symmetrical is arranged in described pipeline bender side, correspondingly, described pipeline bender also should be two groups mutually, be relatively set into dorsad and be integrated, for mating with supporting component described in a group respectively, describedly treat between the pipeline bender that bending pipeline is placed in mutually coupling and supporting component, described bending clamp assemblies can by driving in described pipeline bender periphery around its axial Double-directional rotary, by the selection to this bending clamp assemblies two direction of rotation, thus by respective side coupling pipeline support assembly and pipeline bender realize pipeline bending in the two directions.
As improvement of the present invention, described pipeline bender of often organizing comprises multiple die unit that can realize separately certain radian bending separately, and each die unit stacks gradually on the direction of vertical bending plane.
As improvement of the present invention, accordingly, often organize described pipeline support assembly and comprise multiple multiple jaws stacking gradually layout, for realizing the clamping to different pipeline.
As improvement of the present invention, accordingly, often organize described bending clamp assemblies and comprise multiple multiple paws stacking gradually layout, for realizing the compression of different pipeline and applying active force.
As improvement of the present invention, described two groups of pipeline support assemblies fix the two ends and interval is placed in by the crossbeam that top is arranged.
As improvement of the present invention, the rotating shaft of described bending clamp assemblies and described pipeline bender central axis, it is driven by motor and then around described pipeline bender central axis.
In general, the above technical scheme conceived by the present invention compared with prior art, has following beneficial effect:
(1) pipeline bender of the present invention is provided with two groups of supporting components positioned opposite, and the two groups of benders arranged this are correspondingly set, thus the pipeline bending of each different directions or angle can be realized, overcome wrap direction and the inflexible defect of angle because of pipeline self limited swivel, greatly improve the scope of application and the field of bender.
(2) in pipeline bender of the present invention, two groups of supporting components are fixed as one by a crossbeam, and in arranging on relatively-movable sliding rail, each holder in supporting component is moved and remains relatively consistent, thus can accurately ensure synchronously to make greatly to reduce the impact of precision because move.
(3) in the pipeline bender in the present invention, two Bending Moulds are symmetrically identical on Z-direction height, identical two Bending Moulds of upper and lower step are set in Z-direction without the need to passing through or are realized the bending of two different directions by the upset of single mold in Z-direction, thus the mechanism size greatly reduced because many group pressure moulds and clamping mould bring and structure complexity and Accuracy, also reduce simultaneously because of part body frequently movement bring noise, wearing and tearing and loss of significance.
(4) in pipeline bender of the present invention, by the layout of two groups of supporting components, and wherein arrange can the barrier material of translation, thus can realize the support force of different length pipeline in Forging Process, make pipeline in Forging Process can be there is no displacement or distortion by solid and reliable support, thus bending precision can be made significantly to promote.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of pipeline bender of the prior art;
Fig. 2 is the structural representation under the first state according to the pipeline bender constructed by the embodiment of the present invention;
Fig. 3 is the backsight structural representation under the second state according to the pipeline bender constructed by the embodiment of the present invention;
Fig. 4 is the plan structure schematic diagram under the second state according to the pipeline bender constructed by the embodiment of the present invention;
Fig. 5 is the axle survey perspective view under the second state according to the pipeline bender constructed by the embodiment of the present invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.In addition, if below in described each embodiment of the present invention involved technical characteristic do not form conflict each other and just can mutually combine.
As shown in Figure 2-5, comprise pedestal according to the pipeline bender constructed by the embodiment of the present invention, be arranged on the pipeline bender 10 on pedestal, pipeline support mechanism 20 and bending clamp assemblies 30.
Pipeline bender 10 is for making the pipeline until bending attach on it and thus being bent into required angle after stressed.In the present embodiment, pipeline bender 10 is included in two groups of dies 11 and 12 of both direction distribution, for realizing the bending realized pipeline in both direction respectively.Preferably, two groups of dies 11 and 12 back to and put, be arranged symmetrically with in 180 °, but in the present invention, the angle that arranges of die is not limited to this.
In addition, preferably, pipeline bender 10 is made up of multiple Bending Mould unit, each die unit can realize the bending angle of separately design or radian or wrap direction, or the pipeline of coupling different tube diameters, each die unit is preferably mutually stacked, and its central axis is preferably vertical with folding surface.
In the present embodiment, for treating that at pipeline one end clamping of the bending feed direction of bending part treats bending pipeline to be comprised two groups of pipeline support assemblies by the pipeline support mechanism 20 of bending, be respectively 21 and 22, with simultaneously or clamp it in pipeline one end accordingly when carrying out bending to pipeline from different directions, the crossbeam 23 that preferably two supporting components 21 and 22 are arranged by top is connected to one.Two groups of pipeline support assemblies are all arranged on pipeline bender 10 side, and be generally side, supplied materials direction, both are opposed in keeping at a certain distance away at vertical pipe feed direction.
For ease of the movement of clamping device, to make supporting component 21 and 22 can operationally clamp pipeline after shaping completing or shaping before do not clamp pipeline, or make it possible to according to the spacing of different calibers adjustment with bender 10, supporting component 21 or 22 moving direction is fixedly installed jib 40, this jib 40 arranges slide rail 41, and it for being connected with supporting component 21 or 22 relative sliding.In the present embodiment, preferred jib 41 is one, and be arranged on the wherein side of bender 10, one of them supporting component 21 or 22 arranges on this slide rail 41, by the relative movement of supporting component 21 or 22 on slide rail 41, the movement in the direction of movement of clamping device 20 entirety can be realized, thus clamp on the clamping direction of arbitrary coupling or unclamp pipeline, or the gap of adjustment clamping pipeline.
Preferably, pipeline support assembly 21 or 22 comprises gripping base 230, grip unit 210, clamping baffle plate 220, wherein gripping base 230 can be connected with slide rail 41 relative sliding, and is connected with crossbeam 23 end winding support, and grip unit 210 is arranged on gripping base 230 side, grip unit 210 preferably forms by multiple holder 211 is mutually stacked, adapt to the pipeline bending of different tube diameters, the clamping face of folder holder is preferably its profile and mates with pipeline outer wall face, with clamping pipe well.This side of gripping base 230 is provided with simultaneously clamping baffle plate 220, it is arranged on side, pipeline supplied materials direction, in Forging Process for the pipeline being positioned at supplied materials end side provides support power.Preferably, this side of gripping base 230 is provided with guide rail, described clamping baffle plate 220 can be arranged on the guideway on relative sliding ground, thus can move relative to grip unit 210 in this side, to adapt to the pipeline of different length.
The relative movement of preferred supporting component 21 or 22 on slide rail 41 is realized by driving mechanism 50, and this driving mechanism 50 is preferably arranged on the extreme ends of described jib 40, and its output shaft is connected with crossbeam.
As shown in Figure 2-5, bending clamp assemblies 30 is arranged on the opposite side of pipeline bender 10 relative duct size supporting mechanism 20, apply active force for treating the other end clamping of bending part to be gone forward side by side by bending pipeline at pipeline at this end, with make pipeline treat bending part attach with described pipeline bender 10 on and and then be bent into required form.
In the present invention, bending clamp assemblies 30 can by driving in described pipeline bender 10 periphery around its axial Double-directional rotary, to realize applying active force to carry out bending to by the supporting component 21,22 of arbitrary coupling and the pipeline of bender 10, thus realize the bending to pipeline multiple directions and angle.
Particularly, bending clamp assemblies 30 comprise cursor 32, the slide rail 33 be arranged on this cursor 32, to be arranged on described slide rail 33 and can relative sliding bending pressure unit 34, be arranged on the adjustment driving mechanism 31 of described cursor 32 extreme ends.Wherein, the other end that described cursor 32 adjusts driving mechanism 31 is relatively provided with through hole, and is coaxially socketed with described bender 10, under the effect of rotating drive mechanism, can rotate relative to bender centered by its axis.Described bending pressure unit 34 is arranged on slide rail 33, and be connected with adjustment driving mechanism 31 power output shaft, preferably, bending pressure unit 34 comprises multiple multiple paws stacking gradually layout accordingly, for realizing the compression of different pipeline and applying active force.Slide rail slip relatively under bending pressure unit can drive adjusting driving mechanism 31, thus compress pipeline or unclamp after shaping, or adjust and the gap of bender or thrust according to different tube diameters size.
In the present embodiment, cursor 32 and described pipeline bender 10 central axis of bending clamp assemblies, and can relatively rotate, its rotary motion is driven by the motor 60 that is arranged on pedestal, and then makes cursor 32 can around the central axis of described pipeline bender 10.
During bending work, pipeline enters from supplied materials end, charging is stopped when arriving bending part through after one of them bending die such as bending die 11, clamped by the grip unit 210 in clamping device 20, the clamp assemblies of bending simultaneously 30 makes its pressure unit 34 compress pipeline bending part by driving, then cursor 32 is driven by motor 60 and rotates, and then by pipeline by being pressed into the Curved of respective angles after bending die 11.Afterwards, pipeline continues to be fed, same process continue to be bent or by after rotating pipe certain angle by bending to obtain the bend pipe in respective curved direction and angle.When needing the overbending direction obtained cannot be undertaken by rotating pipe, pipeline can be changed the outfit at another opposed station, utilize corresponding clamping device to clamp simultaneously, and bending clamp assemblies is rotated to opposite side, recycling its cursor 32 being rotated by driving, pipeline is pressed into the Curved of respective direction by bending die 12.In this way, device of the present invention can realize the pipeline bending of any direction and angle, and its bending precision is high, and mechanism size and structure are simple, does not have too much movement and vibration and consequent noise and Accuracy.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a pipeline bender, can realize along pipeline axial to the dog leg of pipeline on symmetry direction, and wherein, this pipeline bender comprises:
Pipeline bender (10), its for the pipeline until bending is attached on it and thus after stressed, be bent into required angle;
Pipeline support mechanism (20), be arranged on the side that pipeline bender (10) is positioned at supplied materials direction, bending pipeline is treated, so that pipeline treats that a side ducts of kink can bending by supporting for treating that at pipeline one end of the bending feed direction of bending part supports; And
Bending clamp assemblies (30), it is arranged on the opposite side in the relative supplied materials direction of pipeline bender (10), and be connected with driving mechanism, for treating that at pipeline the other end clamping of bending part is by bending pipeline, and and then be actuated to make pipeline treat bending part to be attached on described pipeline bender and thus be bent into required direction and angle;
It is characterized in that, described pipeline support mechanism (20) comprises two groups of pipeline support assemblies (21, 22), its interval, ground that is mutually symmetrical is arranged in described pipeline bender (10) side, correspondingly, described pipeline bender (10) also should be two groups mutually, be relatively set into dorsad and be integrated, for respectively with supporting component (21 described in a group, 22) mate, describedly treat pipeline bender (10) and supporting component (21 that bending pipeline is placed in mutually coupling, 22) between, described bending clamp assemblies (30) can by driving in described pipeline bender (10) periphery around its axial Double-directional rotary, by the selection to this bending clamp assemblies (30) two direction of rotation, thus by respective side coupling pipeline support assembly and pipeline bender (10) realize pipeline bending in the two directions.
2. a kind of pipeline bender according to claim 1, wherein, two supporting components (21 of described pipeline support mechanism (20), 22) top is fixed with one by crossbeam (23), and one of them pipeline support assembly is arranged on along supporting component (21, 22) on the jib 40 moving direction is fixedly installed, and can relative movement by the upper slide rail (41) arranged of this jib (40), thus pipeline support mechanism (20) can be made to move integrally, the realization pipeline bender (10) that any one mates with it in two clamping devices is in the adjustment clamping spacing on direction, the pipeline wherein clamped is made to be clamped or to unclamp.
3. a kind of pipeline bender according to claim 2, wherein, described supporting component (21, 22) gripping base (230), grip unit (210) and clamping baffle plate (220), wherein said gripping base (230) can be connected with described slide rail (41) relative sliding, and be connected with described crossbeam (23) end winding support, described grip unit (210) is arranged on described gripping base (230) side, and this side of this gripping base (230) is provided with simultaneously clamping baffle plate (220), it is arranged on side, pipeline supplied materials direction, for in Forging Process for the pipeline being positioned at supplied materials end side provides support power.
4. a kind of pipeline bender according to claim 3, wherein, this side of described gripping base (230) is provided with guide rail, described clamping baffle plate (220) can be arranged on the guideway on relative sliding ground, thus can move relative to grip unit (210) in this side, to adapt to the support of different length pipeline in Forging Process.
5. a kind of pipeline bender according to claim 3 or 4, wherein, described grip unit (210) forms by multiple holder (211) is stacked successively, the spill clamping face of each holder mates with pipeline outer wall face, and radius is different, to adapt to the clamping in the pipeline bending of different tube diameters.
6. a kind of pipeline bender according to any one of claim 1-5, wherein, often organize described pipeline bender (10) to be made up of multiple Bending Mould unit, each die unit can realize the bending angle of separately design or radian or wrap direction, or the pipeline of coupling different tube diameters, each die unit is preferably mutually stacked.
7. a kind of pipeline bender according to any one of claim 1-6, wherein, described bending clamp assemblies (30) comprises cursor (32), be arranged on the slide rail (33) on this cursor (32), be arranged on this slide rail (33) upper and can the bending pressure unit (34) of relative sliding, and be arranged on the adjustment driving mechanism (31) of described cursor (32) extreme ends, wherein, the other end of the relatively described adjustment driving mechanism (31) of described cursor (32) is provided with through hole, and be coaxially socketed by this through hole and described bender (10), under the effect of rotating drive mechanism, it can rotate centered by its axis relative to bender (10), described bending pressure unit (34) is arranged on described slide rail (33), and be connected with described adjustment driving mechanism (31) power output shaft, described bending pressure unit (34) can be slided thus compresses pipeline or unclamp after shaping by relative slide rail (33) under adjustment driving mechanism (31) drives, or can according to the gap of different tube diameters size adjustment with bender (10).
8. a kind of pipeline bender according to claim 7, wherein, described bending pressure unit (34) comprises multiple multiple paws stacking gradually layout, for realizing the compression of different pipeline and applying active force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510236221.3A CN104858272B (en) | 2015-05-11 | 2015-05-11 | Pipeline bender |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510236221.3A CN104858272B (en) | 2015-05-11 | 2015-05-11 | Pipeline bender |
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| CN104858272A true CN104858272A (en) | 2015-08-26 |
| CN104858272B CN104858272B (en) | 2016-08-10 |
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| CN201510236221.3A Active CN104858272B (en) | 2015-05-11 | 2015-05-11 | Pipeline bender |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106541003A (en) * | 2017-01-04 | 2017-03-29 | 中山精达特克机械有限公司 | Comprehensive long short tube integrated pipe bending machine |
| CN106944509A (en) * | 2017-04-01 | 2017-07-14 | 佛山市天箭机械设备有限公司 | A kind of numerical control tubing bend molding apparatus |
| CN107127231A (en) * | 2017-06-05 | 2017-09-05 | 肇庆市端州区麒诺机械科技有限公司 | Pipeline bender |
| CN107626815A (en) * | 2017-10-13 | 2018-01-26 | 常州常发制冷科技有限公司 | A kind of automatic pipebender |
| CN107639421A (en) * | 2017-11-04 | 2018-01-30 | 浙江台通制冷设备有限公司 | A kind of discharge process equipment and its processing technology |
| CN107639140A (en) * | 2017-09-13 | 2018-01-30 | 库博标准汽车配件（苏州）有限公司 | A kind of manual tube bender |
| CN108393378A (en) * | 2018-04-16 | 2018-08-14 | 格力电器（重庆）有限公司 | A kind of pipeline bending equipment |
| TWI693117B (en) * | 2019-07-09 | 2020-05-11 | 力山工業股份有限公司 | Pipe bending apparatus |
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| CN114192632A (en) * | 2021-12-08 | 2022-03-18 | 珠海格力智能装备有限公司 | Processing structure and bending die |
| CN114310346A (en) * | 2022-03-11 | 2022-04-12 | 新乡职业技术学院 | Full-automatic pipe bending machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107639140A (en) * | 2017-09-13 | 2018-01-30 | 库博标准汽车配件（苏州）有限公司 | A kind of manual tube bender |
| CN107626815B (en) * | 2017-10-13 | 2023-11-21 | 常州恒创热管理有限公司 | Automatic pipe bending machine |
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