CN205522654U - High -speed compound anti unbalance loading system of transmission multiple position press - Google Patents

High -speed compound anti unbalance loading system of transmission multiple position press Download PDF

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Publication number
CN205522654U
CN205522654U CN201620135287.3U CN201620135287U CN205522654U CN 205522654 U CN205522654 U CN 205522654U CN 201620135287 U CN201620135287 U CN 201620135287U CN 205522654 U CN205522654 U CN 205522654U
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CN
China
Prior art keywords
unbalance loading
valve
loading cylinder
unit
plug
Prior art date
Application number
CN201620135287.3U
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Chinese (zh)
Inventor
孙海洋
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天津市天锻压力机有限公司
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Priority to CN201620135287.3U priority Critical patent/CN205522654U/en
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Publication of CN205522654U publication Critical patent/CN205522654U/en

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Abstract

The utility model relates to an anti unbalance loading system of high -speed compound transmission multiple position press, characterized in that: including unbalance loading jar, unbalance loading jar power take off mechanism, unbalance loading jar valve unit, fluid pressure line and displacement detection device, unbalance loading jar, unbalance loading jar power take off mechanism and unbalance loading jar valve unit pass through the fluid pressure line and communicate each other, install displacement detection device in the unbalance loading jar, unbalance loading jar one end is installed in connection crossbeam between press front strut and back prop reserves the mounting hole, the unbalance loading jar with is connected the crossbeam and passes through location circular bead location on the unbalance loading jar and through the lock mother and be connected the crossbeam and fix. The advantage is: through unbalance loading jar valve unit's control, realize the unbalance loading jar and carry out ejecting action or return the action that the regulation of unbalance loading jar functioning speed, speed reduction position and closed position all can match the adjustment according to the technology needs simultaneously, can avoid press ram unilateral atress to produce eccentric load, influence the processingquality of host computer, and arrange to provide much more more to optimize for the technology of mould and select.

Description

High speed compound transmission multiple position press anti-bias load system
Technical field
This utility model belongs to press technologies field, particularly relates to a kind of high speed compound transmission multistation pressure Power machine anti-bias load system.
Background technology
At present, inevitably relate in forming process due to product in multiple position press technical field And to stretching process, but the arrangement of most of technique is usually and stretching process is placed on the first operation, The upper mold thus causing the first process mould can be prior to the contacting dies of other operation, Jin Erzao with lower mold The slide block one side stress of forcing press is become to produce eccentric load.The limit is born when what eccentric load exceeded main frame Time, not only the compacting precision of equipment can be produced impact, also can shorten the service life of equipment, therefore need Transfer press machine equipment has certain offset load resistance.
Summary of the invention
This utility model provides one can avoid forcing press for solving technical problem present in known technology Slide block one side stress produces eccentric load, affects the crudy of main frame, and the technique arrangement for mould carries High speed compound transmission multiple position press anti-bias load system for more optimized choice.
This utility model is adopted the technical scheme that by solving technical problem present in known technology:
The anti-bias load system of high speed compound transmission multiple position press, it is characterised in that: include unbalance loading cylinder 1, Unbalance loading cylinder power take-off mechanism 2, unbalance loading cylinder control valve group 3, fluid pressure line and displacement detector 4, institute State unbalance loading cylinder, unbalance loading cylinder power take-off mechanism 2 is interconnected by fluid pressure line mutually with unbalance loading cylinder control valve group 3 Logical, displacement detector is installed in unbalance loading cylinder;Described unbalance loading cylinder one end be arranged on forcing press front standing pillar and In connecting cross beam reserving installation hole between back prop, described unbalance loading cylinder and connecting cross beam are by unbalance loading cylinder Locating shoulder location and fixed with connecting cross beam by locknut.
This utility model can also adopt the following technical scheme that
Described unbalance loading cylinder power take-off mechanism includes motor 2-1 and proportional variable pump 2-2, described motor Connected by shaft coupling and fixed support with proportional variable pump.
Described unbalance loading cylinder control valve group 3 include the first pressure plug-in unit 3-1-1, the second pressure plug-in unit 3-1-2, Pressure measuring tie-in 3-3, first direction plug-in unit 3-4-1, second direction plug-in unit 3-4-2, two four-way electromagnetic commutations Valve 3-6,3-position 4-way electro-hydraulic reversing valve 3-7, hydraulic control one-way valve 3-8, pressure transducer 3-9, Direct Action Type Overflow valve 3-10, two-bit triplet Solenoid ball valve 3-11, proportional pressure control valve 3-13 and check valve 3-14, described First pressure plug-in unit 3-1-1 controls cover plate 3-2 by pressure plug-in unit and is packed in the installing hole in valve body, institute Stating pressure measuring tie-in 3-3 and be arranged at the installing hole of valve body, described first direction plug-in unit 3-4-1 is inserted by direction Part controls cover plate 3-5 and is fixed in the installing hole in valve body, controls on cover plate 3-5 equipped with two at direction plug-in unit Four-way electromagnetic reversing valve 3-6, described 3-position 4-way electro-hydraulic reversing valve 3-7 are fixed on the end face of valve body, valve in position Internal oil circuit oil inlet P is at valve inner and the B mouth of first direction plug-in unit 3-4-1 oil-out, fuel-displaced Mouth A connects with the A mouth of hydraulic control one-way valve 3-8 oil-in, described direct-acting overflow valve 3-10 and check valve 3-14 is installed in valve body surface.
It is provided with filter between the control cover plate that described proportional pressure control valve 3-13 is corresponding with the second pressure plug-in unit 3-12, described proportional pressure control valve and filter 3-12 are each attached to corresponding with the second pressure plug-in unit 3-1-2 Pressure plug-in unit controls on cover plate.
This utility model has the advantage that with good effect: owing to this utility model uses above-mentioned technical side Case, i.e. by the control of unbalance loading cylinder control valve group, makes control fluid enter cavity of resorption or the epicoele of unbalance loading cylinder, Realize unbalance loading cylinder to perform eject action or return action, unbalance loading cylinder speed of service regulation simultaneously, deceleration position All can need to carry out Matching and modification according to technique with stop position;The anti-bias load power that unbalance loading cylinder provides is not surpassing Can arbitrarily regulate in the case of crossing unbalance loading cylinder design limit.Additionally, exist also by displacement detector Unbalance loading cylinder course of action detects its position, controls in unbalance loading cylinder control valve group each according to program setting The action of element so that unbalance loading cylinder completes corresponding action according to the parameter of program setting.
Accompanying drawing explanation
Fig. 1 is hydraulic schematic of the present utility model;
Fig. 2 is that this utility model unbalance loading cylinder assembles structural representation with forcing press.
In figure: 1, unbalance loading cylinder;2, unbalance loading cylinder power take-off mechanism;2-1, motor;2-2, ratio Example variable pump;3, unbalance loading cylinder control valve group;3-1-1, the first pressure plug-in unit;3-1-2, the second pressure Power plug-in unit;3-2, pressure plug-in unit control cover plate;3-3, pressure measuring tie-in;3-4-1, first direction are inserted Part;3-4-2, second direction plug-in unit;3-5, direction plug-in unit control cover plate;3-6, two four energisings Magnetic reversal valve;3-7,3-position 4-way electro-hydraulic reversing valve;3-8, hydraulic control one-way valve;3-9, pressure pass Sensor;3-10, direct-acting overflow valve;3-11, two-bit triplet Solenoid ball valve;3-12, superposing type mistake Filter;3-13, proportional pressure control valve;3-14, check valve;3-15, power fuel tank;4, displacement inspection Survey device;5, pillar;6, slide block.
Detailed description of the invention
For summary of the invention of the present utility model, feature and effect can be further appreciated that, hereby enumerate following enforcement Example, and it is as follows to coordinate accompanying drawing to describe in detail:
It should be noted that unless otherwise clearly defined and limited, term " first ", " second " Install Deng not representing order, the most do not represent the importance of described parts.
Referring to Fig. 1 and Fig. 2, the anti-bias load system of high speed compound transmission multiple position press, including partially Carry cylinder 1, unbalance loading cylinder power take-off mechanism 2, unbalance loading cylinder control valve group 3, fluid pressure line and displacement detecting dress Putting 4, described unbalance loading cylinder, unbalance loading cylinder power take-off mechanism 2 and unbalance loading cylinder control valve group 3 pass through hydraulic tube Road is interconnected, and installs displacement detector in unbalance loading cylinder.Described unbalance loading cylinder one end is arranged on forcing press In connecting cross beam reserving installation hole between front standing pillar and back prop, described unbalance loading cylinder passes through with connecting cross beam Locating shoulder on unbalance loading cylinder is positioned and is fixed with connecting cross beam by locknut.
When needs anti-bias load system works, unbalance loading cylinder 1 is ejected according to program setting and stop at setting position Put, during slide block 6 row under operation, move closer to unbalance loading cylinder 1 from the position away from unbalance loading cylinder 1 piston rod Piston rod, unbalance loading cylinder 1 unbalance loading cylinder control valve group in Fig. 2 hydraulic principle figure time in the two contact Under the control of 3 the most descending, now unbalance loading cylinder 1 output parameter set offset loading force.
Described unbalance loading cylinder power take-off mechanism 2 includes motor 2-1 and proportional variable pump 2-2, described electronic Machine and proportional variable pump are connected by shaft coupling and fixed support, drive proportional variable pump to exist by motor During work, the fluid in fuel tank 3-15 is transported in hydraulic circuit.
Described unbalance loading cylinder control valve group 3 include the first pressure plug-in unit 3-1-1, the second pressure plug-in unit 3-1-2, Pressure measuring tie-in 3-3, first direction plug-in unit 3-4-1, second direction plug-in unit 3-4-2, two four-way electromagnetic commutations Valve 3-6,3-position 4-way electro-hydraulic reversing valve 3-7, hydraulic control one-way valve 3-8, pressure transducer 3-9, Direct Action Type Overflow valve 3-10, two-bit triplet Solenoid ball valve 3-11, proportional pressure control valve 3-13 and check valve 3-14.Described First pressure plug-in unit 3-1-1 controls cover plate 3-2 by pressure plug-in unit and is packed in the installing hole in valve body, oil Liquid flows to unbalance loading cylinder control valve group 3 through fluid pressure line, controls power by the first pressure plug-in unit 3-1-1 defeated Go out mechanism 2 and export the pressure of the fluid in hydraulic system.Described pressure measuring tie-in 3-3 is arranged on valve body At installing hole, internal oil passages and detected oil communication, pressure measuring tie-in 3-3 is used for detecting in hydraulic system The pressure of local detection point.Described first direction plug-in unit 3-4-1 controls cover plate 3-5 by direction plug-in unit to be fixed In installing hole in valve body, arrived by the output of first direction plug-in unit 3-4-1 controlled brake force output mechanism 2 Fluid in hydraulic system flows to.Control on cover plate 3-5 equipped with two four-way electromagnetic commutations at direction plug-in unit Valve 3-6, controls with direction plug-in unit to realize the control to first direction plug-in unit together with cover plate.3-position 4-way is electro-hydraulic Reversal valve 3-7 is fixed on valve body end face, and valve body correspondence installation site processes oil circuit in advance makes oil inlet P exist The B mouth of valve inner and first direction plug-in unit 3-4-1 oil-out and oil-out A and hydraulic control one-way valve 3-8 The A mouth connection of oil-in, oil-out B is with unbalance loading cylinder 1 rod chamber (2 unbalance loading cylinder 1 epicoele in figure) even Logical, oil return inlet T then directly with the oil communication of valve body oil sump tank, 3-position 4-way electro-hydraulic reversing valve control warp Cross the fluid that first direction plug-in unit 3-4-1 flows out, it is possible to achieve the active of unbalance loading cylinder 1 ejects and actively returns Action.Hydraulic control one-way valve 3-8 is arranged on valve body surface, hydraulic control one-way valve oil-in A and 3-position 4-way electricity Liquid reversal valve oil-out A connects, and pilot control hydraulic fluid port connects with 3-position 4-way electro-hydraulic reversing valve oil-out B, The A mouth of oil-out B and second direction plug-in unit 3-4-2 and the A mouth of the second pressure plug-in unit 3-1-2 connect, Make fluid not flow back to fuel tank in order to passively to return output offset loading force time control liquefaction liquid at unbalance loading cylinder 1, protect simultaneously Protect 3-position 4-way electro-hydraulic reversing valve not impacted by hydraulic oil liquid.
Described second direction plug-in unit 3-4-2 controls cover plate 3-5 by direction plug-in unit and is fixed on valve body, two Threeway Solenoid ball valve 3-11 is fixed on the plug-in unit cover plate of 3-5 direction, two-bit triplet Solenoid ball valve and second party Control to can ensure that unbalance loading cylinder 1 slips down after piston rod ejects together with cover plate with direction plug-in unit to plug-in unit.
Described direct-acting overflow valve 3-10 and check valve 3-14 is installed in valve body surface, and described Direct Action Type is overflow Stream valve 3-10 connects, in order at unbalance loading cylinder with unbalance loading cylinder 1 rodless cavity (cavity of resorption of unbalance loading cylinder 1 in Fig. 2) Relief valve effect is played, it is to avoid the pressure that element fault causes exceedes design to be permitted when passively returning output offset loading force Permitted value and caused other potential safety hazard.Other side and unbalance loading cylinder 1 rod chamber are (in Fig. 2 on unbalance loading cylinder 1 Chamber) the 3-10 direct-acting overflow valve that connects in order to when unbalance loading cylinder is actively return due to Hydraulic Elements fault without Pressure on unbalance loading cylinder 1 rod chamber is avoided to exceed design permissible value when method is return.
It is provided with filter between the control cover plate that described proportional pressure control valve 3-13 is corresponding with the second pressure plug-in unit 3-12, described filter 3-12 use superposing type filter.Described proportional pressure control valve 3-13 and superposing type mistake Filter 3-12 is each attached to the pressure plug-in unit corresponding for pressure plug-in unit 3-1-2 with second and controls on cover plate.Described Superposing type filter 3-12 is in order to filter the impurity in fluid, it is to avoid blocking proportional pressure control valve 3-13, ratio Overflow valve is used for setting up the pressure of unbalance loading cylinder 1 rodless cavity when unbalance loading cylinder 1 is passively return, thus controls anti-inclined The anti-bias load power size that loading system provides.Check valve 3-14 is fixed on valve body surface, and its A mouth passes through Valve inner oil circuit and valve body oil sump tank oil communication, B mouth is then by valve inner oil circuit and 3-8 hydraulic control The B mouth of check valve and unbalance loading cylinder 1 rod chamber connection, in order to when unbalance loading cylinder 1 is passively return from fuel tank Oil suction adds in unbalance loading cylinder 1 rod chamber, it is to avoid vacuum phenomenon occurs in unbalance loading cylinder 1 rod chamber.
The control of unbalance loading cylinder control valve group 3, controls fluid and enters cavity of resorption or the epicoele of unbalance loading cylinder 1, this Time unbalance loading cylinder 1 just can perform to eject or return action, displacement detector 4 is in unbalance loading cylinder action Journey detects its position, controls the action of each element in unbalance loading cylinder control valve group 3 according to program setting, Unbalance loading cylinder 1 is made to complete corresponding action according to the parameter of program setting.
The embodiment that this utility model accompanying drawing describes is exemplary, is only used for explaining this utility model, and It is not intended that to restriction of the present utility model.

Claims (4)

1. the anti-bias load system of a high speed compound transmission multiple position press, it is characterized in that: include unbalance loading cylinder (1), unbalance loading cylinder power take-off mechanism (2), unbalance loading cylinder control valve group (3), fluid pressure line and displacement detector (4), described unbalance loading cylinder, unbalance loading cylinder power take-off mechanism (2) and unbalance loading cylinder control valve group (3) are interconnected by fluid pressure line, install displacement detector in unbalance loading cylinder;Described unbalance loading cylinder one end is arranged in the connecting cross beam reserving installation hole between forcing press front standing pillar and back prop, and described unbalance loading cylinder is positioned by the locating shoulder on unbalance loading cylinder with connecting cross beam and fixed with connecting cross beam by locknut.
The anti-bias load system of high speed compound transmission multiple position press the most according to claim 1, it is characterized in that: described unbalance loading cylinder power take-off mechanism includes that motor (2-1) and proportional variable pump (2-2), described motor and proportional variable pump are connected by shaft coupling and fixed support.
nullThe anti-bias load system of high speed compound transmission multiple position press the most according to claim 1,It is characterized in that: described unbalance loading cylinder control valve group (3) includes the first pressure plug-in unit (3-1-1)、Second pressure plug-in unit (3-1-2)、Pressure measuring tie-in (3-3)、First direction plug-in unit (3-4-1)、Second direction plug-in unit (3-4-2)、Two four-way electromagnetic reversing valves (3-6)、3-position 4-way electro-hydraulic reversing valve (3-7)、Hydraulic control one-way valve (3-8)、Pressure transducer (3-9)、Direct-acting overflow valve (3-10)、Two-bit triplet Solenoid ball valve (3-11)、Proportional pressure control valve (3-13) and check valve (3-14),Described first pressure plug-in unit (3-1-1) controls cover plate (3-2) by pressure plug-in unit and is packed in the installing hole in valve body,Described pressure measuring tie-in (3-3) is arranged at the installing hole of valve body,Described first direction plug-in unit (3-4-1) controls cover plate (3-5) by direction plug-in unit and is fixed in the installing hole in valve body,Control on cover plate (3-5) equipped with two four-way electromagnetic reversing valves (3-6) at direction plug-in unit,Described 3-position 4-way electro-hydraulic reversing valve (3-7) is fixed on the end face of valve body,Oil circuit oil inlet P in valve body is at the B mouth of valve inner Yu first direction plug-in unit (3-4-1) oil-out、Oil-out A connects with the A mouth of hydraulic control one-way valve (3-8) oil-in,Described direct-acting overflow valve (3-10) and check valve (3-14) are installed in valve body surface.
The anti-bias load system of high speed compound transmission multiple position press the most according to claim 3, it is characterized in that: be provided with filter (3-12), described proportional pressure control valve (3-13) and filter (3-12) between the control cover plate that described proportional pressure control valve (3-13) is corresponding with the second pressure plug-in unit and be each attached on the pressure plug-in unit control cover plate corresponding with the second pressure plug-in unit (3-1-2).
CN201620135287.3U 2016-02-23 2016-02-23 High -speed compound anti unbalance loading system of transmission multiple position press CN205522654U (en)

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CN201620135287.3U CN205522654U (en) 2016-02-23 2016-02-23 High -speed compound anti unbalance loading system of transmission multiple position press

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106337852A (en) * 2016-11-16 2017-01-18 中南大学 The two-way plug-in type vibration exciting valve
CN108068398A (en) * 2017-12-21 2018-05-25 天水锻压机床(集团)有限公司 The control system of ultralong-stroke movable gantry hydraulic press liftout attachment
CN108971265A (en) * 2018-09-13 2018-12-11 金丰(中国)机械工业有限公司 A kind of unbalance loading detection method of multiple position press
CN109334085A (en) * 2018-10-10 2019-02-15 中国航发北京航空材料研究院 A kind of test method of press machine unbalance loading
CN110259769A (en) * 2019-05-27 2019-09-20 天津市天锻压力机有限公司 The electrohydraulic control system and forming technology of 3000T liquid-state die forging hydraulic press

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106337852A (en) * 2016-11-16 2017-01-18 中南大学 The two-way plug-in type vibration exciting valve
CN106337852B (en) * 2016-11-16 2019-01-11 中南大学 Two-way plug-in excitation valve
CN108068398A (en) * 2017-12-21 2018-05-25 天水锻压机床(集团)有限公司 The control system of ultralong-stroke movable gantry hydraulic press liftout attachment
CN108971265A (en) * 2018-09-13 2018-12-11 金丰(中国)机械工业有限公司 A kind of unbalance loading detection method of multiple position press
CN109334085A (en) * 2018-10-10 2019-02-15 中国航发北京航空材料研究院 A kind of test method of press machine unbalance loading
CN110259769A (en) * 2019-05-27 2019-09-20 天津市天锻压力机有限公司 The electrohydraulic control system and forming technology of 3000T liquid-state die forging hydraulic press
CN110259769B (en) * 2019-05-27 2020-09-25 天津市天锻压力机有限公司 Electro-hydraulic control system of 3000T liquid die forging hydraulic press and forming process

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