CN203448490U - Quick and slow air intake switching device and press machine including device - Google Patents
Quick and slow air intake switching device and press machine including device Download PDFInfo
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- CN203448490U CN203448490U CN201320552240.3U CN201320552240U CN203448490U CN 203448490 U CN203448490 U CN 203448490U CN 201320552240 U CN201320552240 U CN 201320552240U CN 203448490 U CN203448490 U CN 203448490U
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Abstract
The utility model relates to a quick and slow air intake switching device. The quick and slow air intake switching device is used for a drawing air cushion (15) of a press machine and is characterized by comprising a large-drift-diameter quick exhaust valve (13), a large-drift-diameter two-position two-way magnetic valve (14), a small-drift-diameter two-position two-way magnetic valve (9), an exhaust control device (8) and an on-off control device (7), wherein the large-drift-diameter quick exhaust valve (13) is in series connection with the large-drift-diameter two-position two-way magnetic valve (14), and the two-way magnetic valve (9) is in parallel connection with the large-drift-diameter two-position two-way magnetic valve (14) and the large-drift-diameter quick exhaust valve (13). The utility model further relates to the press machine including the device. The quick and slow air intake switching device can enable the air cushion of the press machine to perform quick and slow air intake and quick exhausting and enable the air cushion to be kept in a certain state and accordingly enables the performance of the press machine to be improved.
Description
Technical field
The utility model relates to speed gas inlet conversion device.And the utility model also relates to the forcing press that comprises described speed gas inlet conversion device.
Background technology
On large pressing machine, suppress heavy parts or dark tensioning member adopts stretching air cushion often, it prevent when being used for stretching wrinkling, also can be used as liftout (or workpiece) or make workpiece bottom partial plastic forming.Forcing press is equipped with after stretching air cushion, just can expand the purposes scope of forcing press, for example there is the UP function of stretching air cushion to carry out darker stretching work, double action press can be used as triple action press after being equiped with stretching air cushion, so generally all have this stretching air-cushion device at big-and-middle-sized forcing press.Concerning baby press, because air cushion diameter is little, generally do not consider air inlet at a slow speed, automatic ventilating function soon, the compressed air in air cushion acts in air cushion all the time, air cushion needs exhaust (be gas receiver exhaust, between the two be directly connected) time to be undertaken by manually opening drain tap.And concerning large pressing machine, because stretching air cushion diameter is large, tonnage is large, if inflation adopts quick air inlet (from gas receiver), air cushion to rise very soon to air cushion first, while putting in place, will produce larger noise, and very dangerous.Moreover air cushion is to be all loaded on lathe base bottom, and most of gas receivers are generally all positioned in melt pit, and manual exhaust is extremely inconvenient, and the state that air cushion keeps can change with lathe power-off.
Patent documentation CN201257469 discloses a kind of air inlet and outlet device of press air cushion, for the air inlet of press air cushion and the control of exhaust, belong to press technologies field, this utility model is the improvement to existing press air cushion intake and exhaust structure, main feature is in air cushion pipeline, to be provided with structure valve, two-position three way electric-control stop valve, two-position five-way electric-control stop valve, structure valve is by two-position three way electric-control stop valve, two-position five-way electric-control stop valve is controlled respectively, can guarantee air cushion slow jack-up and landing when air intake-exhaust, will reduce like this impact of supporting plate and base in air cushion and travelling table.
Open 4 the multi-link lever press air cushion import/exhaust devices of enclosed of patent documentation CN201176005, comprise the exhaust outlet part between air cushion and gas bag, it is characterized in that: a branch holder is connected to the bottom of exhaust outlet part; The air inlet of one magnetic valve is connected with gas bag by gas inlet rubber tube, and its gas outlet is connected with branch holder through steel pipe, and communicates with the exhaust outlet part between air cushion with gas bag; One inlet end of controlling source of the gas tracheae is directly connected with magnetic valve by the total air inlet of forcing press source connection, outlet side; One control power cable connects with " air cushion air inlet " button on control panel and is connected.
Patent documentation CN201158168 discloses a kind of automatic air pressure regulating apparatus, the utility model comprises air accumulator, described air accumulator is provided with air inlet pipeline, gas exhaust piping, aspirating pipeline and pressure sensor, air inlet pipeline is provided with reversal valve and ball-and-seat, gas exhaust piping is provided with reversal valve, and two reversal valves and pressure sensor are controlled by engine control system.The utility model engine control system by Real-Time Monitoring air accumulator air pressure, according to air pressure, control air inlet and the exhaust of air accumulator, in forcing press use procedure, can by the mode of electrical control, change very easily the internal pressure of air accumulator, realize the setting of the different tonnages of balancer or air cushion, and can accomplish the real-time monitoring to air pressure.
Patent documentation CN202228770U discloses a kind of large latus rectum and arranges soon slow-motion air valve, comprise valve body, the runner of described valve body is divided into epicoele C and cavity of resorption D by valve seat, valve seat top is provided with spool, its innovative point is also to comprise: be located at the cylinder A of spool open side, the piston A of cylinder A is connected with spool by valve rod; Be located at the cylinder B of spool closed side, on the piston B of cylinder B, be connected with and stretch in valve body and over against the push rod of spool; Each cavity of cylinder A, B connects air accumulator by magnetic valve, and the cavity of resorption D of described valve body has a pore being connected with two position two-way valve.Utilize cylinder A, B coordinate to drive spool to be close to or realize the closing of valve body, little aperture or large aperture away from valve seat, thereby realize the various duties of cylinder in air-cushion device, compact conformation, without several valve modules, be connected, reduce air pipe line, simplified structure, reduces costs.On cylinder B, stroke regulating structure is set, thereby controls the distance of push rod jack-up spool, the slow intake velocity of capable of regulating.
The speed gas inlet conversion device that searching is different from the stretching air cushion for forcing press of prior art is still the direction that those skilled in the art make great efforts.
Utility model content
For this reason, the purpose of this utility model is that proposition is different from the speed gas inlet conversion device of the stretching air cushion for forcing press of prior art.
The utility model proposes speed gas inlet conversion device, it is for the stretching air cushion of forcing press, it is characterized in that: speed gas inlet conversion device comprises large latus rectum rapid escape valve, large latus rectum two-position two-way solenoid valve, little latus rectum two-position two-way solenoid valve, exhaust control device and break-make control device, wherein
Described large latus rectum rapid escape valve and described large latus rectum two-position two-way solenoid valve in series arrange, and total source of the gas, described large latus rectum rapid escape valve, described large latus rectum two-position two-way solenoid valve and described stretching air cushion form the first air pressure lines;
Described little latus rectum two-position two-way solenoid valve and described large latus rectum two-position two-way solenoid valve and large latus rectum rapid escape valve arrange in parallel, and described total source of the gas, described little latus rectum two-position two-way solenoid valve and described stretching air cushion form the second air pressure lines;
Described exhaust control device can be controlled described large latus rectum rapid escape valve commutation, and realizes air inlet and the exhaust of described stretching air cushion;
Described break-make control device can be controlled the through-flow of described large latus rectum two-position two-way solenoid valve and cutout;
And, described speed gas inlet conversion device is configured such that: at the air-suction state at a slow speed of described stretching air cushion, described little latus rectum two-position two-way solenoid valve energising is in through-flow state, and described break-make control device is controlled described large latus rectum two-position two-way solenoid valve in disconnection state; Quick air-suction state at described stretching air cushion, described little latus rectum two-position two-way solenoid valve no power is in disconnection state, and described break-make control device is controlled described large latus rectum two-position two-way solenoid valve in through-flow state, and described exhaust control device is controlled described large latus rectum rapid escape valve commutation and in air-suction state.
The utility model also proposes forcing press, it is characterized in that: described forcing press comprises speed gas inlet conversion device as herein described, and described speed gas inlet conversion device is for controlling quick air inlet and the air inlet at a slow speed of the stretching air cushion of described forcing press.
Compared with prior art, air cushion speed gas inlet conversion device of the present utility model can make press air cushion soon at a slow speed air inlet, Quick air-discharge, allow air cushion keep certain state, thereby the performance of forcing press is improved.
Accompanying drawing explanation
With reference to accompanying drawing, the description of feature of the present utility model, advantage and the characteristic specific embodiment by is below able to better understanding, in accompanying drawing:
Fig. 1: the air inlet and outlet device of press air cushion of the prior art;
Fig. 2: the instantiation of the speed gas inlet conversion device of the stretching air cushion for forcing press of the present utility model.
In the drawings, same or similarly element use same figure notation, different elements is used different figure notations, wherein:
And for ease of understanding and describing the utility model, as shown in Figure 2, the direction that gas flows to stretching air cushion from total source of the gas is forward flow, therefore, " ”He“ downstream, upstream " is defined as: total source of the gas is in upstream, and stretching air cushion is in downstream.
The specific embodiment
Fig. 1 illustrates the air inlet and outlet device of the press air cushion in prior art (patent documentation CN201257469), and it can guarantee air cushion slow jack-up and landing when air intake-exhaust, will reduce like this impact of supporting plate and base in air cushion and travelling table.
The technical solution of the utility model is different from prior art.Design philosophy of the present utility model is to use different air pressure lines to realize quick air inlet and the air inlet at a slow speed of the stretching air cushion of forcing press.
For this reason, as shown in Figure 2, according to main embodiment of the present utility model, the speed gas inlet conversion device of the stretching air cushion 15 of forcing press comprises large latus rectum rapid escape valve 13, large latus rectum two-position two-way solenoid valve 14, little latus rectum two-position two-way solenoid valve 9, exhaust control device 8 and break-make control device 7, wherein, large latus rectum rapid escape valve 13, large latus rectum two-position two-way solenoid valve 14 are for air inlet or exhaust fast, and described little latus rectum two-position two-way solenoid valve 9 is for air inlet at a slow speed.
Described large latus rectum rapid escape valve 13 in series arranges with described large latus rectum two-position two-way solenoid valve 14, and such configuration can guarantee to close on demand quick air inlet or exhaust.Make described large latus rectum two-position two-way solenoid valve 14 in disconnection state, the quick inlet line of the air cushion 15 that stretches is closed; Make described large latus rectum two-position two-way solenoid valve 14 in through-flow state, the quick inlet line of the air cushion 15 that stretches is opened.
And total source of the gas, described large latus rectum rapid escape valve 13, described large latus rectum two-position two-way solenoid valve 14 and described stretching air cushion 15 form the first air pressure lines, and this has just formed quick air inlet power line.When described stretching air cushion 15 needs quick air inlet, described the first air pressure lines allow from the fast large flow of gas of total source of the gas pass through.Therefore, the pneumatic element in described the first air pressure lines has the feature of large flow.Particularly, the valve body in described the first air pressure lines has large through-flow diameter, to can allow the pressed gas of large flow pass through.For a person skilled in the art, according to aerodynamics and pneumatics principle, using the parameter such as specification size, air cushion stroke, upper line time, downgoing time of stretching air cushion as variable, by sport dynamics, calculate, can draw easily the concrete numerical value of the through-flow diameter that all kinds of " large latus rectum " pneumatic element---comprises valve---.
Described large latus rectum rapid escape valve 13 can be arbitrarily with the position of described large latus rectum two-position two-way solenoid valve 14 in the first air pressure lines, that is to say, described large latus rectum rapid escape valve 13 can be positioned at described large latus rectum two-position two-way solenoid valve 14 upstreams or downstream.
Preferably, described large latus rectum rapid escape valve 13 is positioned at described large latus rectum two-position two-way solenoid valve 14 upstreams.Such configuration guarantees when stopping, can not carry out quick air inlet at described large latus rectum two-position two-way solenoid valve 14, can not carry out Quick air-discharge.
Described little latus rectum two-position two-way solenoid valve 9 arranges in parallel with described large latus rectum two-position two-way solenoid valve 14 and large latus rectum rapid escape valve 13.Mentality of designing of the present utility model is exactly to use different air pressure lines to realize quick air inlet and the air inlet at a slow speed of stretching air cushion 15.Therefore, the little latus rectum two-position two-way solenoid valve 9 being positioned in inlet line at a slow speed is not connected with the large latus rectum two-position two-way solenoid valve 14 being positioned in quick inlet line, but in parallel.
And described total source of the gas, described little latus rectum two-position two-way solenoid valve 9 and described stretching air cushion 15 form the second air pressure lines, and this has just formed air inlet power line at a slow speed.When described stretching air cushion 15 needs air inlet at a slow speed, described the second air pressure lines allows the gas from total source of the gas pass through at a slow speed low discharge.Therefore, at least one pneumatic element in described the second air pressure lines has the feature of low discharge.Particularly, the valve body in described the second air pressure lines has little through-flow diameter, to can allow the pressed gas of low discharge pass through.For a person skilled in the art, according to aerodynamics and pneumatics principle, using the parameter such as specification size, air cushion stroke, upper line time, downgoing time of stretching air cushion as variable, by sport dynamics, calculate, can draw easily the concrete numerical value of the through-flow diameter that all kinds of " little latus rectum " pneumatic element---comprises valve---.
Described exhaust control device 8 can be controlled described large latus rectum rapid escape valve 13 commutations, and realizes air inlet and the exhaust of described stretching air cushion 15.It can be a kind of or its combination in pneumatic control mode, Electromagnetic Control mode, mechanical control method that the commutation of described large latus rectum rapid escape valve 13 is controlled.
Preferably, described exhaust control device comprises two-position five-way double electric control magnetic valve 8, namely by pneumatic and Electromagnetic Control mode, combine the commutation that realizes described large latus rectum rapid escape valve 13, realize the quick air inlet of stretching air cushion 15 and the conversion between Quick air-discharge.
Described break-make control device 7 can be controlled the through-flow of described large latus rectum two-position two-way solenoid valve 14 and cutout.It can be a kind of or its combination in pneumatic control mode, Electromagnetic Control mode, mechanical control method that the break-make of described large latus rectum two-position two-way solenoid valve 14 is controlled.
Preferably, described break-make control device comprises two-position three way magnetic valve 7.Namely by pneumatic and Electromagnetic Control mode, combine and realize the through-flow of described large latus rectum two-position two-way solenoid valve 14 and cutout, realize the quick air inlet of stretching air cushion 15 and the conversion between air inlet at a slow speed.
And described speed gas inlet conversion device is configured such that:
● at the air-suction state at a slow speed of stretching air cushion 15, described little latus rectum two-position two-way solenoid valve 9 energisings are in through-flow state, and described break-make control device 7 is controlled described large latus rectum two-position two-way solenoid valve 14 in disconnection state, concrete control model can realize by control circuit of the prior art, it is not design main points of the present utility model, is not described in detail in this.In other words, at the air-suction state at a slow speed of stretching air cushion 15, described the first air pressure lines (air inlet power line fast) is in disconnection state, and described the second air pressure lines (air inlet power line at a slow speed) is in through-flow state.
● at the quick air-suction state of stretching air cushion 15, described little latus rectum two-position two-way solenoid valve 9 no powers are in disconnection state, and described break-make control device 7 is controlled described large latus rectum two-position two-way solenoid valve 14 in through-flow state, and described exhaust control device 8 is controlled described large latus rectum rapid escape valve 13 commutations and in air-suction state.Concrete control model can realize by control circuit of the prior art, and it is not design main points of the present utility model, is not described in detail in this.In other words, at the quick air-suction state of stretching air cushion 15, described the first air pressure lines (air inlet power line fast) is in through-flow state, and described the second air pressure lines (air inlet power line at a slow speed) is in disconnection state.
Because the first air pressure lines is in parallel with the second air pressure lines, thus their through-flow state and disconnection state separately independent, do not interfere with each other.
The exhaust mode of described stretching air cushion 15 can be disclosed mode in prior art: fast, at a slow speed or conventional speeds.
Preferably, under the Quick air-discharge state of stretching air cushion 15, described little latus rectum two-position two-way solenoid valve 9 no powers are in disconnection state, and described break-make control device 7 is controlled described large latus rectum two-position two-way solenoid valve 14 in through-flow state, and described exhaust control device 8 is controlled described large latus rectum rapid escape valve 13 commutations and in exhaust condition.Concrete control model can realize by control circuit of the prior art, and it is not design main points of the present utility model, is not described in detail in this.
According to the first embodiment of main embodiment of the present utility model, described break-make control device comprises two-position three way magnetic valve 7, wherein, described two-position three way magnetic valve 7 is between total source of the gas and described large latus rectum two-position two-way solenoid valve 14, and described total source of the gas, described two-position three way magnetic valve 7, described large latus rectum two-position two-way solenoid valve 14 formation the 3rd air pressure lines.In this first embodiment, by implementing the switching to described large latus rectum two-position two-way solenoid valve 14 from the Pneumatic pressure power of total source of the gas, particularly, by control circuit, make described two-position three way magnetic valve 7 energisings, and make to arrive described large latus rectum two-position two-way solenoid valve 14 from the pressed gas of the total source of the gas described two-position three way magnetic valve 7 of flowing through, described large latus rectum two-position two-way solenoid valve 14 is opened through-flow, namely made described the first air pressure lines through-flow.It should be noted that described the 3rd air pressure lines is to control air pressure lines, it is not connected with first, second air pressure lines that belongs to power air pressure lines.
According to main embodiment of the present utility model and described the first embodiment, as the second embodiment of the present utility model, described exhaust control device comprises two-position five-way double electric control magnetic valve 8, wherein, described two-position five-way double electric control magnetic valve 8 is between total source of the gas and described large latus rectum rapid escape valve 13, and described total source of the gas, described two-position five-way double electric control magnetic valve 8, described large latus rectum rapid escape valve 13 formation the 4th air pressure lines.In this second embodiment, by implementing the flow direction of described large latus rectum rapid escape valve 13 to switch from the Pneumatic pressure power of total source of the gas, particularly, by control circuit, make described two-position five-way double electric control magnetic valve 8 energisings, and make to arrive described large latus rectum bi-bit bi-pass rapid escape valve 13 from the pressed gas of the total source of the gas described two-position five-way double electric control magnetic valve 8 of flowing through, make described large latus rectum rapid escape valve 13 conversion flow directions, namely make described stretching air cushion 15 air inlets or exhaust.It should be noted that described the 4th air pressure lines is also to control air pressure lines, it is not connected with first, second air pressure lines that belongs to power air pressure lines.
According to main embodiment of the present utility model, as the 3rd embodiment of the present utility model, gas receiver 11 is arranged in described the first air pressure lines, the upstream in described large latus rectum rapid escape valve 13.Such configuration can be so that described stretching air cushion 15, in packing state, and maintains certain dwell time, and, stretching air cushion 15 in packing state, at two-position five-way double electric control magnetic valve 08, under standing state, after lathe power-off, stretching air cushion still can keep standing state.
Preferably, on described gas receiver 11, be connected with safety valve 12 and ball valve 10.When can guaranteeing that gas receiver 11 surpasses a definite pressure, such configuration by described safety valve 12 automatic vents, guarantees the safety of described gas receiver 11.In the situation that need are safeguarded, also can be by the pressed gas in the emptying described gas receiver 11 of ball valve 10.
According to main embodiment of the present utility model, as the 4th embodiment of the present utility model, as shown in Figure 2, described the first air pressure lines and described the second air pressure lines have common Pneumatic pressure power circuit, wherein, described total source of the gas is positioned on described common Pneumatic pressure power circuit; And, with pressure-reducing valve 1 and the check valve 3 of Pressure gauge 2, be positioned on described common Pneumatic pressure power circuit the downstream in described total source of the gas.Such configuration can be guaranteed that Pneumatic pressure power circuit is isolated with air pressure control circuit, not be connected.
According to main embodiment of the present utility model, as the 5th embodiment of the present utility model, as shown in Figure 2, described the 3rd air pressure lines and described the 4th air pressure lines have common air pressure control circuit, wherein, described total source of the gas is positioned on described common air pressure control circuit; And, with pressure-reducing valve 4 and the check valve 6 of Pressure gauge 5, be positioned on described common air pressure control circuit the downstream in described total source of the gas.Such configuration can be guaranteed that Pneumatic pressure power circuit is isolated with air pressure control circuit, not be connected.
Described speed gas inlet conversion device of the present utility model is mainly used in forcing press, and wherein, described speed gas inlet conversion device is for controlling quick air inlet and the air inlet at a slow speed of the stretching air cushion 15 of described forcing press.Certainly, those skilled in the art are without creative work, also can be by above-mentioned speed gas inlet conversion device for machinery such as the mining machinery of other type, crane, dump truck etc.
The operation principle of described speed gas inlet conversion device is described according to the instantiation of the present utility model shown in Fig. 2 below.
The object of described speed gas inlet conversion device setting solve exactly large pressing machine air cushion soon at a slow speed air inlet, automatic vent, allow air cushion keep the problems such as certain state (under device powers down state on top or bottom).This conversion equipment operating principle is: from total air-source inflow, be divided into two-way:
● the pressure-reducing valve 01(of leading up to is with Pressure gauge 02, Observable pressure), be divided into two-way after check valve 03: a road arrives little latus rectum two-position two-way solenoid valve (guarantee 09 energising, 14 become normally closed), after this magnetic valve energising at a slow speed air inlet to stretching air cushion 15; Another road directly arrives gas receiver 11(manual exhaust can use ball valve 10, maximum pressure limits by safety valve 12), by large latus rectum rapid escape valve 13(standing state), large latus rectum two-position two-way solenoid valve 14(standing state) air inlet 09 no power when stretching this kind of state of air cushion 15(fast).
● another road is through pressure-reducing valve 04(band Pressure gauge 05 from total source of the gas, Observable pressure), after check valve 06, be divided into two-way: a road has maintenance function to two-position five-way double electric control magnetic valve 08(, be that after lathe power-off, state is still constant), it is used for controlling the state (air inlet or exhaust) of rapid escape valve 13; Another road is normally closed to two-position three way magnetic valve 07(), it is used for controlling the state (during two-position three way magnetic valve 07 no power, 14 is normal open, and after energising, 14 is normally closed) of two-position two-way solenoid valve 14.
After the 08 another side energising of two-position five-way double electric control magnetic valve, the gas control mouth exhaust of large latus rectum rapid escape valve 13, the spring terminal of large latus rectum rapid escape valve 13 commutates by valve, and stretching air cushion carries out exhaust.
At two-position five-way double electric control magnetic valve 08, under standing state, after lathe power-off, stretching air cushion still can keep standing state.
As an alternative, if two-position five-way double electric control magnetic valve 08 changes two-position three way magnetic valve (if it was switched on originally) into, lathe power-off after-drawing air cushion will become and state contrary before power-off (air cushion exhaust).
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More than describe preferred specific embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design concept of the present utility model without creative work.Therefore; all technical staff in the art comply with design concept of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be within scope of the present utility model and/or by the determined protection domain of claims.
Claims (10)
1. speed gas inlet conversion device, it is for the stretching air cushion (15) of forcing press, it is characterized in that: speed gas inlet conversion device comprises large latus rectum rapid escape valve (13), large latus rectum two-position two-way solenoid valve (14), little latus rectum two-position two-way solenoid valve (9), exhaust control device (8) and break-make control device (7), wherein
Described large latus rectum rapid escape valve (13) in series arranges with described large latus rectum two-position two-way solenoid valve (14), and total source of the gas, described large latus rectum rapid escape valve (13), described large latus rectum two-position two-way solenoid valve (14) and described stretching air cushion (15) form the first air pressure lines;
Described little latus rectum two-position two-way solenoid valve (9) arranges in parallel with described large latus rectum two-position two-way solenoid valve (14) and large latus rectum rapid escape valve (13), and described total source of the gas, described little latus rectum two-position two-way solenoid valve (9) and described stretching air cushion (15) form the second air pressure lines;
Described exhaust control device (8) can be controlled described large latus rectum rapid escape valve (13) commutation, and realizes air inlet and the exhaust of described stretching air cushion (15);
Described break-make control device (7) can be controlled the through-flow of described large latus rectum two-position two-way solenoid valve (14) and cutout;
And, described speed gas inlet conversion device is configured such that: at the air-suction state at a slow speed of described stretching air cushion (15), described little latus rectum two-position two-way solenoid valve (9) energising is in through-flow state, and described break-make control device (7) is controlled described large latus rectum two-position two-way solenoid valve (14) in disconnection state; Quick air-suction state at described stretching air cushion (15), described little latus rectum two-position two-way solenoid valve (9) no power is in disconnection state, and described break-make control device (7) is controlled described large latus rectum two-position two-way solenoid valve (14) in through-flow state, and described exhaust control device (8) is controlled described large latus rectum rapid escape valve (13) commutation and in air-suction state.
2. speed gas inlet conversion device according to claim 1, it is characterized in that: under the Quick air-discharge state of described stretching air cushion (15), described little latus rectum two-position two-way solenoid valve (9) no power is in disconnection state, and described break-make control device (7) is controlled described large latus rectum two-position two-way solenoid valve (14) in through-flow state, and described exhaust control device (8) is controlled described large latus rectum rapid escape valve (13) commutation and in exhaust condition.
3. speed gas inlet conversion device according to claim 1, it is characterized in that: described break-make control device comprises two-position three way magnetic valve (7), wherein, described two-position three way magnetic valve (7) is positioned between total source of the gas and described large latus rectum two-position two-way solenoid valve (14), and described total source of the gas, described two-position three way magnetic valve (7), described large latus rectum two-position two-way solenoid valve (14) form the 3rd air pressure lines.
4. speed gas inlet conversion device according to claim 3, it is characterized in that: described exhaust control device comprises two-position five-way double electric control magnetic valve (8), wherein, described two-position five-way double electric control magnetic valve (8) is positioned between total source of the gas and described large latus rectum rapid escape valve (13), and described total source of the gas, described two-position five-way double electric control magnetic valve (8), described large latus rectum rapid escape valve (13) form the 4th air pressure lines.
5. according to the speed gas inlet conversion device described in any one in claim 1 to 4, it is characterized in that: described large latus rectum rapid escape valve (13) is positioned at described large latus rectum two-position two-way solenoid valve (14) upstream.
6. speed gas inlet conversion device according to claim 5, is characterized in that: gas receiver (11) is arranged in described the first air pressure lines, the upstream in described large latus rectum rapid escape valve (13).
7. speed gas inlet conversion device according to claim 6, is characterized in that: on described gas receiver (11), be connected with safety valve (12) and ball valve (10).
8. according to the speed gas inlet conversion device described in any one in claim 1 to 4, it is characterized in that: described the first air pressure lines and described the second air pressure lines have common Pneumatic pressure power circuit, wherein, described total source of the gas is positioned on described common Pneumatic pressure power circuit; And, with pressure-reducing valve (1) and the check valve (3) of Pressure gauge (2), be positioned on described common Pneumatic pressure power circuit the downstream in described total source of the gas.
9. speed gas inlet conversion device according to claim 4, is characterized in that: described the 3rd air pressure lines and described the 4th air pressure lines have common air pressure control circuit, and wherein, described total source of the gas is positioned on described common air pressure control circuit; And, with pressure-reducing valve (4) and the check valve (6) of Pressure gauge (5), be positioned on described common air pressure control circuit the downstream in described total source of the gas.
10. forcing press, is characterized in that: described forcing press comprises the speed gas inlet conversion device described in any one in the claims 1 to 9, and described speed gas inlet conversion device is for controlling quick air inlet and the air inlet at a slow speed of the stretching air cushion (15) of described forcing press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320552240.3U CN203448490U (en) | 2013-09-05 | 2013-09-05 | Quick and slow air intake switching device and press machine including device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320552240.3U CN203448490U (en) | 2013-09-05 | 2013-09-05 | Quick and slow air intake switching device and press machine including device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203448490U true CN203448490U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320552240.3U Expired - Fee Related CN203448490U (en) | 2013-09-05 | 2013-09-05 | Quick and slow air intake switching device and press machine including device |
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| Country | Link |
|---|---|
| CN (1) | CN203448490U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772989A (en) * | 2019-03-06 | 2019-05-21 | 浙江易锻精密机械有限公司 | A kind of air cushion automatic adjustment system and its method of adjustment |
| CN111822579A (en) * | 2020-08-11 | 2020-10-27 | 沃得精机(中国)有限公司 | Reversible stretching pad structure for press machine |
-
2013
- 2013-09-05 CN CN201320552240.3U patent/CN203448490U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772989A (en) * | 2019-03-06 | 2019-05-21 | 浙江易锻精密机械有限公司 | A kind of air cushion automatic adjustment system and its method of adjustment |
| CN109772989B (en) * | 2019-03-06 | 2023-08-08 | 浙江易锻精密机械有限公司 | Adjusting method of automatic air cushion adjusting system |
| CN111822579A (en) * | 2020-08-11 | 2020-10-27 | 沃得精机(中国)有限公司 | Reversible stretching pad structure for press machine |
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