CN204842559U - Electric liquid synchro -driven system of synchronous bender of electricity liquid - Google Patents
Electric liquid synchro -driven system of synchronous bender of electricity liquid Download PDFInfo
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- CN204842559U CN204842559U CN201520463841.6U CN201520463841U CN204842559U CN 204842559 U CN204842559 U CN 204842559U CN 201520463841 U CN201520463841 U CN 201520463841U CN 204842559 U CN204842559 U CN 204842559U
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Abstract
The utility model discloses an electric liquid synchro -driven system of synchronous bender of electricity liquid has solved in the bender slider and has gone up and down slowly to lead to the technical problem that manufacturing cost is high, the utility model relates to an electric liquid synchro -driven system of synchronous bender of electricity liquid, bender include frame and slider, the slider is by hydraulic drive system and the drive of electric servo drive system, hydraulic drive system is including setting up the hydro -cylinder in the frame both sides respectively, two hydro -cylinders respectively with an oil pump connection, the piston rod of two hydro -cylinders links to each other with the slider respectively, the electricity servo drive system include servo motor and establish the transmission on servo motor and slider, and servo motor passes through transmission drive slider up -and -down motion.
Description
Technical field
The utility model relates to a kind of electric liquid synchronous driving system of electric liquid Synchronous Bending machine.
Background technology
At present, bender for processing sheet metal component completes whole bending process mainly through the hydraulic oil cylinder driving being located at slide block both sides, on the oil circuit of two oil cylinders, Set scale reversal valve realizes the lifting action of slide block respectively, due to the kinetic characteristic of oil cylinder, slide block is caused to be elevated slowly, make production efficiency be difficult to improve, improve production cost.
Utility model content
The utility model provides a kind of electric liquid synchronous driving system of electric liquid Synchronous Bending machine, solves slide block lifting in existing bender and slowly causes the technical problem that production cost is high.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of electric liquid synchronous driving system of electric liquid Synchronous Bending machine, bender comprises frame and slide block, described slide block is driven by fluid power system and electric servo drive system, described fluid power system comprises the oil cylinder being separately positioned on frame both sides, two oil cylinders are connected with an oil pump respectively, and the piston rod of two oil cylinders is connected with slide block respectively; Described electric servo drive system comprises servomotor and is located at the transmission device on servomotor and slide block, and servomotor is moved up and down by actuator drives slide block.
As preferred technical scheme, 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.
As preferred technical scheme, described transmission device comprises leading screw and screw, and described leading screw is connected with servo motor output shaft, and described screw is connected with slide block.
As preferred technical scheme, the both sides of described slide plate are respectively equipped with limited block, and described limited block is provided with spacing draw-in groove, and described frame comprises two blocks of side plates, and two blocks of side plates are respectively equipped with fixture block, described fixture block and spacing draw-in groove snap-fit engagement.
As preferred technical scheme, described fluid power system also comprises electromagnetic pressure valve and two proportional flow control valves, 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 two proportional flow control valves, and the oil-out of two proportional flow control valves is communicated with two oil cylinders respectively.
The beneficial effects of the utility model are:
1, slide block is elevated by actuator drives by servomotor, thus eliminates expensive proportional reversing valve, reduces manufacturing cost;
2 drive slide block to compare with the piston rod of oil cylinder, and driven by servomotor ram speed is faster, and efficiency is higher, improves the rising or falling speed of slide block in whole Forging Process, decreases the bending time.
3, slide block makes upper die and lower die close up in the bending stage by hydraulic drive system drives to carry out bending to workpiece, slide block carries out quick work in the non-bending stage by electric servo drive system driving and enters, by the cooperation of fluid power system and electric servo drive system, improve the operating efficiency of bender.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described further:
Fig. 1 is the stereogram of a kind of embodiment of a kind of electric liquid Synchronous Bending machine of the utility model;
Fig. 2 is the front view of a kind of embodiment of a kind of electric liquid Synchronous Bending machine of the utility model;
Fig. 3 is the right view of a kind of embodiment of a kind of electric liquid Synchronous Bending machine of the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is elaborated.
Embodiment 1: as shown in Figure 1 to Figure 3, a kind of electric liquid Synchronous Bending machine, comprise frame 1, the slide block 3 being located at the riser 2 in frame 1 and being 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 oil cylinder 5, frame 1 comprises two blocks of side plates 101, two oil cylinders 5 are bolted on side plate 101, the piston rod of two oil cylinders 5 is connected with slide block 3 respectively, slide block 3 is provided with two pieces of installed surface 3a, two pieces of installed surface 3a are positioned at same level, respectively with two pieces, the lower surface installed surface 301 of the piston rod of two oil cylinders 5 is connected, treat that the workpiece of bending is positioned on 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.
Electricity liquid Synchronous Bending machine also comprises electric servo drive system 6, fluid power system 7 and control system; Electricity servo drive system 6 comprises servomotor 601 and is located at the transmission device 602 on servomotor 601 and slide block 3, servomotor 601 drives slide block 3 to move up and down by transmission device 602, 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.
The fluid power system 7 of electricity liquid Synchronous Bending machine 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.
The control system of electricity liquid Synchronous Bending machine comprises control module, is located at the position sensor at slide block 3 back side and is located at two grating scale devices of slide block 3 and frame 1 both sides respectively, and position sensor will be connected with control module respectively with grating scale device.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 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 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, slide block 3 is from speed change point to the process of bottom dead centre, and the piston rod of two oil cylinders 5 applies downforce to slide block 3, and patrix 401 and counterdie 402 close up gradually, and patrix 401 contacts after the workpiece of bending, and workpiece is gradually by bending.
Fuel tank 701 is located between two blocks of side plates 101, and the two ends of fuel tank 701 are fixedly connected with two blocks of side plates 101 respectively, 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.
Embodiment 2: be with the difference of embodiment 1, 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.
A control method for electric liquid Synchronous Bending machine, comprises the following control stage:
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) the bending stage: 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.
Being defined as follows of above-mentioned top dead-centre, bottom dead centre and speed change point:
The definition of top dead-centre: top dead-centre is upper die of bending machine when moving, and the peak that can arrive, is determined by the stopping means on bender top;
The definition of bottom dead centre: bottom dead centre is upper die of bending machine when moving, and the minimum point that can arrive, is determined by the stopping means of bender bottom;
The definition of speed change point: upper die of bending machine is not when touching until flap material, movement velocity is higher, working (machining) efficiency can be improved like this, but patrix 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 height and treat that the thickness of flap material is determined, this numerical value according to the structures shape of bender, with counterdie summit for initial point, be upwards positive motion direction, namely the height coordinate of speed change point is the thickness of plate.
Be described with regard to the utility model preferred embodiment above, but can not be interpreted as it is limitations on claims.The utility model is not only confined to above embodiment, its concrete structure allows to change, those skilled in the art can make various change and distortion according to the utility model, only otherwise depart from spirit of the present utility model, all belong to the scope that the utility model claims define.
Claims (4)
1. the electric liquid synchronous driving system of an electric liquid Synchronous Bending machine, bender comprises frame and slide block, it is characterized in that: described slide block is driven by fluid power system and electric servo drive system, described fluid power system comprises the oil cylinder being separately positioned on frame both sides, two oil cylinders are connected with an oil pump respectively, and the piston rod of two oil cylinders is connected with slide block respectively; Described electric servo drive system comprises servomotor and is located at the transmission device on servomotor and slide block, and servomotor is moved up and down by actuator drives slide block.
2. the electric liquid synchronous driving system of a kind of electric liquid Synchronous Bending machine according to claim 1, 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.
3. the electric liquid synchronous driving system of a kind of electric liquid Synchronous Bending machine according to claim 1, it is characterized in that: described transmission device comprises leading screw and screw, described leading screw is connected with servo motor output shaft, and described screw is connected with slide block.
4. the electric liquid synchronous driving system of a kind of electric liquid Synchronous Bending machine according to claim 1, it is characterized in that: described fluid power system also comprises electromagnetic pressure valve and two proportional flow control valves, 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 two proportional flow control valves, and the oil-out of two proportional flow control valves is communicated with two oil cylinders respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520463841.6U CN204842559U (en) | 2015-06-29 | 2015-06-29 | Electric liquid synchro -driven system of synchronous bender of electricity liquid |
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| CN201520463841.6U CN204842559U (en) | 2015-06-29 | 2015-06-29 | Electric liquid synchro -driven system of synchronous bender of electricity liquid |
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| CN204842559U true CN204842559U (en) | 2015-12-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280631A (en) * | 2019-07-22 | 2019-09-27 | 南京邮电大学 | Mechanical full electric servo numerical control bender based on multiple degrees of freedom coupling driving |
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2015
- 2015-06-29 CN CN201520463841.6U patent/CN204842559U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280631A (en) * | 2019-07-22 | 2019-09-27 | 南京邮电大学 | Mechanical full electric servo numerical control bender based on multiple degrees of freedom coupling driving |
| CN110280631B (en) * | 2019-07-22 | 2024-05-24 | 南京邮电大学 | Mechanical all-electric servo numerical control bending machine based on multi-degree-of-freedom coupling driving |
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