CN105033001A - Double-machine linkage torsion shaft bending machine - Google Patents
Double-machine linkage torsion shaft bending machine Download PDFInfo
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- CN105033001A CN105033001A CN201510412335.9A CN201510412335A CN105033001A CN 105033001 A CN105033001 A CN 105033001A CN 201510412335 A CN201510412335 A CN 201510412335A CN 105033001 A CN105033001 A CN 105033001A
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- shaft bending
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Abstract
The invention discloses a double-machine linkage torsion shaft bending machine. The double-machine linkage torsion shaft bending machine comprises two torsion shaft bending machine bodies arranged in parallel. Each torsion shaft bending machine body comprises a machine frame, a sliding block, an upper die, a hydraulic driving system and a control system, wherein the control system controls the hydraulic driving system, the hydraulic driving system drives the sliding block, and the sliding block drives the upper die to move vertically. Each hydraulic driving system comprises an oil tank, an oil pump, an electromagnetic pressure valve, proportional flow valves and oil cylinders, wherein an oil outlet of the oil pump is communicated with an oil inlet of the electromagnetic pressure valve, a pressure oil port of the electromagnetic pressure valve is communicated with oil inlets of the proportional flow valves, and oil outlets of the proportional flow valves are communicated with the oil cylinders. The control systems of the two torsion shaft bending machine bodies perform synchronous control through synchronizing signals so that the upper dies of the two torsion shaft bending machine bodies can move synchronously. The two bending machine bodies can bend the same workpiece simultaneously at the same speed, and therefore the purpose of machining large workpieces is achieved.
Description
Technical field
The present invention relates to machining equipment, be specifically related to torque shaft bending machine.
Background technology
At boats and ships, the industries such as aircraft often have large-scale metalwork forming requirements, at this moment just need to carry out dual-machine linkage, that is, two bender synchronous workings, can machining large-sized workpiece.At this moment need digital control system to carry out Synchronization Control to two benders, only have expensive electric liquid Synchronous Bending machine and digital control system thereof to have such function at present, if adopt torque shaft bending machine, cost can decline a lot, can save at most 200,000/cover.
The key technology of carrying out dual-machine linkage is the bender speed sync of adjustment two benders, carries out the object that bending just can reach machining large workpiece to a workpiece simultaneously.The speed that presses down of current torque shaft bending machine is all nonadjustable, so can not carry out realizing dual-machine linkage operation with torque shaft bending machine.
Just because of the 26S Proteasome Structure and Function problem of torque shaft bending machine and digital control system thereof, two torque shaft bending machines are used to carry out two dual-machine linkage, technical difficulty is a lot, does not therefore have bender manufacturing enterprise and user to carry out torque shaft bending machine in the market and carries out dual-machine linkage operation.
Summary of the invention
Technical problem to be solved by this invention is just to provide a kind of dual-machine linkage torque shaft bending machine, realizes the dual-machine linkage of two torque shaft bending machines.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of dual-machine linkage torque shaft bending machine, comprise two torque shaft bending machines be arranged side by side, every platform torque shaft bending machine comprises frame, slide block, patrix, fluid power system and control system, described fluid power system is controlled by control system, described hydraulic drive system drives slide block, described slide block drives patrix knee-action, described fluid power system comprises fuel tank, oil pump, electromagnetic pressure valve, proportional flow control valve and oil cylinder, the oil-out of oil pump is communicated with the oil-in of electromagnetic pressure valve, the pressure oil port of electromagnetic pressure valve is communicated with the oil-in of proportional flow control valve, the oil-out of proportional flow control valve is communicated with oil cylinder, described torque shaft bending machine is also provided with the patrix checkout gear measuring patrix depressed position and speed, and described patrix checkout gear and control system communicate to connect, and described patrix checkout gear is to control system feedback patrix depressed position and speed, realize Synchronization Control by synchronizing signal between the control system of described two torque shaft bending machines, make the synchronized movement of two torque shaft bending machine patrixes.
Preferably, also comprise electric servo drive system, described electric servo drive system comprises servomotor, connects the transmission device of servomotor and slide block, and described servomotor is moved up and down by actuator drives slide block.
Preferably, described transmission device comprises the gear be located on servo motor output shaft and the tooth bar, described gear and the tooth bar engaged transmission that are located on slide block.
Preferably, described fluid power system is provided with two oil cylinders, and two oil cylinders are separately positioned on the left and right sides of frame, and the piston mandril of oil cylinder is connected with slide block.
Preferably, described patrix checkout gear is grating scale device.
The present invention realizes Synchronization Control by logical synchronizing signal between two control systems of the torque shaft bending machine of two interlocks, in fluid power system, add proportional flow control valve simultaneously, and to measure patrix depressed position and speed by patrix checkout gear, make two torque shaft bending machines that patrix can be regulated to press down speed, what can regulate torque shaft bending machine by controller exactly presses down speed.Therefore, the present invention can make the bender speed sync of two benders, carries out bending simultaneously, reach the object of machining large workpiece to a workpiece.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described further:
Fig. 1 is the structural representations of two torque shaft bending machines when carrying out dual-machine linkage.
Fig. 2 is the three-dimensional structure diagram of torque shaft bending machine;
Fig. 3 is the front view of torque shaft bending machine;
Fig. 4 is the right view of torque shaft bending machine.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
As shown in Figure 1, dual-machine linkage torque shaft bending machine is made up of two torque shaft bending machines be arranged side by side, and the structure of two torque shaft bending machines is identical, realizes Synchronization Control between the control system of two torque shaft bending machines by synchronizing signal.
As shown in Figures 2 to 4, the slide block 3 that above-mentioned torque shaft bending machine comprises frame 1, is located at the riser 2 in frame 1 and is located at above riser 2, the lower end of slide block 3 is provided with patrix 401, the upper end of riser 2 is provided with counterdie 402, the both sides of frame 1 are respectively equipped with an oil cylinder 5, two oil cylinders 5 are bolted in frame 1, the piston rod of two oil cylinders 5 is connected with slide block 3 respectively, workpiece is positioned between patrix 401 and counterdie 402, to slide block 3 pressurization, patrix 401 and counterdie 402 are closed up by the piston rod of two oil cylinders 5, bending is carried out to workpiece.
Above-mentioned torque shaft bending machine also comprises servo drive system 6, fluid power system 7 and control system; Servo drive system 6 comprises servomotor 601 and is located at the transmission device 602 on servomotor 601 and slide block 3, and servomotor 601 drives slide block 3 to move up and down by transmission device 602, and transmission device 602 has two kinds of embodiments:
Embodiment one: transmission device 602 comprises the gear 6021 be located on servo motor output shaft and the tooth bar 6022, gear 6021 and tooth bar 6022 engaged transmission that are located on slide block.The fit structure of gear and tooth bar is reliability and durability, and cost is low.
Embodiment two: transmission device 602 comprises leading screw and screw, and leading screw is connected with servo motor output shaft, and screw is connected with slide block.Leading screw and screw composition ball screw arrangement, have the advantage that transmission efficiency is high, noise is low.
Fluid power system 7 comprises fuel tank 701, oil pump 702, electromagnetic pressure valve 703 and two proportional flow control valves 704, the oil-in of oil pump 702 is communicated with fuel tank 701, the oil-out of oil pump 702 is communicated with the oil-in of electromagnetic pressure valve 703, the oil return opening of electromagnetic pressure valve 703 is communicated with fuel tank 701, the pressure oil port of electromagnetic pressure valve 703 is communicated with the oil-in of two proportional flow control valves 704, the oil-out of two proportional flow control valves 704 is communicated with two oil cylinders 5 respectively, two proportional flow control valves 704 are communicated with fuel tank 701 respectively with the oil return opening on two oil cylinders 5, hydraulic oil in fuel tank 701 is extracted by oil pump 702 and enters in electromagnetic pressure valve 703, when the oil return opening of electromagnetic pressure valve 703 is opened, the hydraulic oil that oil pump 702 extracts flows back to fuel tank 701 from electromagnetic pressure valve 703 oil return opening again after electromagnetic pressure valve 703 oil-in flows into, the piston rod of two oil cylinders 5 is to slide block 3 not output torque, when the oil return opening of electromagnetic pressure valve 703 is closed, the hydraulic oil that oil pump 702 extracts is transfused to two proportional flow control valves 704 after electromagnetic pressure valve 703 oil-in flows into, hydraulic oil flows in two oil cylinders 5 through two proportional flow control valves 704, and the piston rod of two oil cylinders 5 is to slide block 3 output torque.Above-mentioned two oil cylinders 5 share an oil circuit, and this oil circuit divides epicoele oil circuit 705 and cavity of resorption oil circuit 706, and epicoele oil circuit 705 is that oil cylinder 5 drives patrix 401 to move downward, and cavity of resorption oil circuit 706 is that oil cylinder 5 drives patrix 401 return to move.
Described control system comprises control module, is located at the position sensor at slide block 3 back side and is located at two grating scale devices 9 of slide block 3 and frame 1 both sides respectively, and position sensor is connected with control module respectively with grating scale device 9.Frame 1 is provided with numerical control operation panel 103, and control module is integrated in guidance panel 103, position sensor produces position signalling when slide block 3 arrives speed change point from top dead-centre, the position signalling of position sensor is sent to control module, and control module sends feedback command and controls servomotor 601 power-off and control electromagnetic pressure valve 703 to pressurize to two oil cylinders 5, grating scale device 9 comprises scale grating and grating reading head, the back side of slide block 3 both sides is arranged respectively a grating reading head, and the both sides of frame 1 arrange a scale grating respectively, the grating reading head of both sides and scale grating are corresponding respectively, at slide block 3 from speed change point to the motion process of bottom dead centre, the scale stop position signal that grating reading head reads by grating scale device 9 is sent to control module, control module sends the hydraulic fluid flow rate that feedback command controls two proportional flow control valves 704, thus regulate the stroke of the piston rod of two oil cylinders 5, make to be installed on the patrix 401 of slide block 3 lower end and counterdie 402 keeping parallelism being installed on riser 2 upper end, improve bending precision, speed change point refers to the position from slide block 3 during oil cylinder 5 initial press, slide block 3 is from speed change point to the process of bottom dead centre, the piston rod of two oil cylinders 5 applies downforce to slide block 3, and patrix 401 and counterdie 402 close up gradually, is located at workpiece between mould 401 and counterdie 402 by bending.
Wherein, top dead-centre is upper die of bending machine 401 when moving, and the peak that can arrive, is determined by mechanical stop limiter.Bottom dead centre is the minimum point that upper die of bending machine 401 can arrive, and is also determined by mechanical position limitation.Speed change point: first upper die of bending machine 401 is not when touching until flap material, movement velocity is higher, working (machining) efficiency can be improved like this, but patrix 401 starts contact when flap material, must underspeed, to guarantee process safety, and machining accuracy, the reason of speed change that Here it is, speed change point is according to counterdie 401 height and treats that the thickness of flap material is determined, this numerical value according to the structures shape of bender, if a counterdie summit is initial point, be upwards that just speed change point is identical with sheet thickness.
Frame 1 comprises two blocks of side plates 101, and fuel tank 701 is located between two blocks of side plates 101, and servomotor 601 and oil pump 702 are separately fixed at the outer surface of fuel tank 701.Such structure makes bender size compacter.
The both sides of slide plate 3 are respectively equipped with limited block 301, limited block 301 is provided with spacing draw-in groove 3011, two blocks of side plates 101 are respectively equipped with fixture block 102, fixture block 102 and spacing draw-in groove 3011 snap-fit engagement, by coordinating of fixture block 102 and spacing draw-in groove 3011, can offset in lifting process by anti-limited slip block 3, thus it is more stable that slide block 3 is slided.
With the control system of a wherein torque shaft bending machine for main frame, control system to an other torque shaft bending machine sends control signal, the control system of two torque shaft bending machines is made to realize Synchronization Control, when patrix presses down, patrix checkout gear (grating scale device 9) is to control system feedback patrix depressed position and speed, control system controls patrix again and presses down speed, makes the patrix depressed position of two torque shaft bending machines and speed keep synchronous.
When bender is started working, proportional flow control valve standard-sized sheet, when patrix reaches speed change point, proportional flow control valve starts action, the control system of two torque shaft bending machines adjusts patrix respectively and presses down speed, makes the patrix depressed position of two of interlock torque shaft bending machines and speed all keep synchronous.
After bender is started working, patrix reaches the patrix fast next stage before speed change point, and control system sends instruction, controls servomotor and rotates forward, Serve Motor Control patrix fast downlink, until patrix arrives speed change point.
After bending completes, patrix arrives the patrix stage of going up soon of before top dead center, and control system sends instruction, controls servomotor reversion, and servomotor is logical controls upper module fast uplink, until patrix arrives top dead-centre.
The control method of every platform bender includes following several stages:
1) standby phase: bender is in holding state after starting, oil pump 702 obtains electric startup, and now slide block 3 is in upper dead center position, and the oil return opening of electromagnetic pressure valve 703 is opened;
2) the fast next stage: control module sends instruction, control servomotor 601 to rotate forward, servomotor 601 is with movable slider 3 fast downlink by transmission device 602, until slide block 3 arrives speed change point, the position signalling of position sensor is also sent to control module by the position signalling that position sensor produces, and control module sends feedback signal and controls servomotor 601 power-off and control the oil return opening closedown of electromagnetic pressure valve 703;
3) Forging Process: hydraulic oil is pressed in two oil cylinders 5, piston rod in two oil cylinders 5 gradually elongated movable slider 3 is descending with the speed of 1 ~ 5mm/s, two grating scale devices read the descending position signalling in slide position and the position signalling of grating scale device are sent to control module, control module sends the hydraulic fluid flow rate that feedback signal controls two proportional flow control valves 704, keeps patrix to be parallel to counterdie bending and carries out pressurize to lower dead point position;
4) in stage of going up soon: after the dwell time terminates, control module sends instruction, control servomotor 601 and reverse, servomotor 601 is with movable slider 3 fast uplink by transmission device 602, until slide block 3 arrives top dead-centre, waits for bending next time.
In addition, frame 1 is provided with turns round axle sychronisation, turn round axle sychronisation to comprise two of being located in frame and turn round axle bed, what respectively with two, two ends turned round that axle bed is connected turns round axle 8 and is located at two oscillating arm mechanisms on slide block, turning round axle bed for two is bolted in frame, oscillating arm mechanisms comprises swing arm, connecting plate and holder, the lower end of holder is fixedly connected with slide block, the upper end of holder and one end of connecting plate are flexibly connected, the other end of connecting plate and one end of swing arm are flexibly connected, the other end of swing arm and turn round axle and be flexibly connected, the turning cylinder of oil pump is provided with the first drive, the both sides of frame 1 are respectively equipped with turns round spindle motor, the output shaft turning round spindle motor is provided with the second drive, first drive and the second drive pass through toothed belt transmission, turn round spindle motor for two to be connected with control system, control system controls the output shaft synchronous running that two are turned round spindle motor.
The torque shaft bending machine of prior art only adopts a servomotor, drive the oil pump on two oil cylinders by linkage simultaneously, because two oil cylinders are apart from each other, adopt the oil pump on synchronous two oil cylinders of linkage, the moment that usual needs are very large, therefore, need the servomotor adopting relatively high power, add cost, compared with existing torque shaft bending machine, eliminate the linkage of the oil pump on synchronous two oil cylinders, adopt the oil pump that two motors control on two oil cylinders respectively, operated by the output shaft synchronous of control realization two motors of control module, thus two oil cylinders are synchronized with the movement, two motors only need to export the power matched with oil pump, reduce the general power of bender, reduce energy consumption and cost.
Claims (5)
1. a dual-machine linkage torque shaft bending machine, comprise two torque shaft bending machines be arranged side by side, every platform torque shaft bending machine comprises frame, slide block, patrix, fluid power system and control system, described fluid power system is controlled by control system, described hydraulic drive system drives slide block, described slide block drives patrix knee-action, it is characterized in that: described fluid power system comprises fuel tank, oil pump, electromagnetic pressure valve, proportional flow control valve and oil cylinder, the oil-out of oil pump is communicated with the oil-in of electromagnetic pressure valve, the pressure oil port of electromagnetic pressure valve is communicated with the oil-in of proportional flow control valve, the oil-out of proportional flow control valve is communicated with oil cylinder, described torque shaft bending machine is also provided with the patrix checkout gear measuring patrix depressed position and speed, and described patrix checkout gear and control system communicate to connect, and described patrix checkout gear is to control system feedback patrix depressed position and speed, realize Synchronization Control by synchronizing signal between the control system of described two torque shaft bending machines, make the synchronized movement of two torque shaft bending machine patrixes.
2. a kind of Double-machine linkaging bending machine according to claim 1, it is characterized in that: also comprise electric servo drive system, described electric servo drive system comprises servomotor, connects the transmission device of servomotor and slide block, and described servomotor is moved up and down by actuator drives slide block.
3. a kind of Double-machine linkaging bending machine according to claim 2, is characterized in that: described transmission device comprises the gear be located on servo motor output shaft and the tooth bar, described gear and the tooth bar engaged transmission that are located on slide block.
4. a kind of Double-machine linkaging bending machine according to claim 1, is characterized in that: described fluid power system is provided with two oil cylinders, and two oil cylinders are separately positioned on the left and right sides of frame, and the piston mandril of oil cylinder is connected with slide block.
5. a kind of Double-machine linkaging bending machine according to claim 1, is characterized in that: described patrix checkout gear is grating scale device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412335.9A CN105033001B (en) | 2015-07-14 | 2015-07-14 | A kind of dual-machine linkage torque shaft bending machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412335.9A CN105033001B (en) | 2015-07-14 | 2015-07-14 | A kind of dual-machine linkage torque shaft bending machine |
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| Publication Number | Publication Date |
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| CN105033001A true CN105033001A (en) | 2015-11-11 |
| CN105033001B CN105033001B (en) | 2017-10-17 |
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| CN201510412335.9A Active CN105033001B (en) | 2015-07-14 | 2015-07-14 | A kind of dual-machine linkage torque shaft bending machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845693A (en) * | 2020-12-30 | 2021-05-28 | 青岛中和重工工业有限公司 | Large gantry type press |
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| JPH11720A (en) * | 1997-06-11 | 1999-01-06 | Babcock Hitachi Kk | Device for bending tube |
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| CN102086893A (en) * | 2010-12-28 | 2011-06-08 | 深圳华强数码电影有限公司 | Multi-axis hydraulic synchronization control system, method and device |
| CN104324985A (en) * | 2014-11-24 | 2015-02-04 | 上海埃锡尔数控机床有限公司 | Full-closed loop electro-hydraulic servo plate bending machine |
| CN204842577U (en) * | 2015-07-14 | 2015-12-09 | 绍兴市安雅信自动化技术有限公司 | A bender is turned round in duplex linkage |
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2015
- 2015-07-14 CN CN201510412335.9A patent/CN105033001B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11720A (en) * | 1997-06-11 | 1999-01-06 | Babcock Hitachi Kk | Device for bending tube |
| CN201186311Y (en) * | 2008-05-16 | 2009-01-28 | 江苏江海机床集团有限公司 | Bending machine capable of carrying out deviation load processing |
| CN201848463U (en) * | 2010-11-19 | 2011-06-01 | 马鞍山市中亚机床制造有限公司 | Bending machine employing double-machine linkage |
| CN102086893A (en) * | 2010-12-28 | 2011-06-08 | 深圳华强数码电影有限公司 | Multi-axis hydraulic synchronization control system, method and device |
| CN104324985A (en) * | 2014-11-24 | 2015-02-04 | 上海埃锡尔数控机床有限公司 | Full-closed loop electro-hydraulic servo plate bending machine |
| CN204842577U (en) * | 2015-07-14 | 2015-12-09 | 绍兴市安雅信自动化技术有限公司 | A bender is turned round in duplex linkage |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845693A (en) * | 2020-12-30 | 2021-05-28 | 青岛中和重工工业有限公司 | Large gantry type press |
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