CN204263603U - A kind of blast that is manual and automatic dual-purpose adjusts control system - Google Patents
A kind of blast that is manual and automatic dual-purpose adjusts control system Download PDFInfo
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- CN204263603U CN204263603U CN201420721100.9U CN201420721100U CN204263603U CN 204263603 U CN204263603 U CN 204263603U CN 201420721100 U CN201420721100 U CN 201420721100U CN 204263603 U CN204263603 U CN 204263603U
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Abstract
A kind of blast that is manual and automatic dual-purpose adjusts control system, be connected between air accumulator (1) and source of the gas (16), air accumulator (1) is arranged on the air cushion of punching machine and the intake and exhaust end of balancer master cylinder, connect stop valve 15, large discharge type air cleaner (14) and manual and automatic dual-purpose blast adjustment control system after source of the gas (16) successively, air accumulator (1) is connected to Pressure gauge (2), safety valve (3), pressure sensor (4).The utility model has the advantage of: adopt air accumulator to be master cylinder air feed, ensure that intake and exhaust are unobstructed, and master cylinder pressure fluctuation is little, be provided with between gas tank and source of the gas manually and automatic dual-purpose blast adjustment control system, two kinds of intake methods can be adopted simultaneously.
Description
Technical field
The utility model relates to punching machine field, particularly relates to a kind of blast adjustment control system.
Background technology
Air cushion and balancer are the indispensable critical pieces of punching machine.
Big machinery forcing press is suppressed heavy parts or tensioning member adopts pure gas formula to stretch pad often, there is stroke adjustment and delayed blocking function, stretch pad except be used for stretch time flanging prevent wrinkling except, also can be used as liftout (or workpiece) or make partial plastic forming bottom workpiece, the rigid shock of forcing press in punching course can be reduced, reduce noise.It is by an apical cap, two cover master cylinder, a set of delayed locking cylinders, the compositions such as a set of stroke regulating mechanism and stretching pad fuel tank.Compressed air pressure in adjustment air cushion master cylinder, just can obtain the thrust required for applicable various Sheet Metal Forming Technology.
The Main Function of balancer passes into the weight such as compressed air back balance slide block, patrix, connecting rod and guide pillar, the gap of the force part such as push and pull system, adjusting screw(rod) can be eliminated, avoid in the upper and lower stroke of slide block, the additional impact power caused because of gap commutation, ensure that slide block movement steadily and forcing press stable accuracy, prevent brake failure from causing slide block to conduct oneself with dignity the safety in utilization of the contingent accident that glides, guarantee forcing press, in addition, the rapid recovery of flywheel energy is also contributed to.
Main frame producer source of the gas compressed air pressure is generally set in below 0.6MPa, and when punching machine works, because by the impact of this body structure of punching machine, sometimes when air cushion and balancer work, required air pressure is higher than bleed pressure, so require that manual air inlet can Automatic-boosting air inlet, such guarantee forcing press is easy to use, improves ram efficiency.
Utility model content
Technical problem to be solved of the present utility model is to provide a kind of and manually and automatically can regulates air cushion and balancer air pressure and in particular cases need the blast adjustment control system of supercharging, it is effective provides air pressure needed for each tonnage air cushion of punching machine and balancer, air pressure fluctuation value is ensured in rated range simultaneously.
The utility model solves the problems of the technologies described above by the following technical solutions: a kind of blast that is manual and automatic dual-purpose adjusts control system, be connected between air accumulator (1) and source of the gas (16), air accumulator (1) is arranged on the air cushion of punching machine and the intake and exhaust end of balancer master cylinder, connect stop valve 15, large discharge type air cleaner (14) and manual and automatic dual-purpose blast adjustment control system after source of the gas (16) successively, air accumulator (1) is connected to Pressure gauge (2), safety valve (3), pressure sensor (4).
As the scheme optimized, described manual air inlet pipeline comprises the stop valve (13), pressure-reducing valve (12), check valve (11), oil sprayer (6), the first normally closed two position two-way valve (5) that connect successively, entrance termination large discharge type air cleaner (14) of described stop valve (13), the outlet termination air accumulator (1) of described first normally closed two position two-way valve (5).
As the scheme optimized, described auto-admission pipeline comprises the stop valve (8), check valve (7), oil sprayer (29), the second normally closed two position two-way valve (30), the check valve (31) that connect successively, entrance termination large discharge type air cleaner (14) of described stop valve (8), the outlet termination air accumulator (1) of described check valve (31).
As the scheme optimized, an also pressure piping in parallel on described auto-admission pipeline, described pressure piping comprises the stop valve (17) connected successively, internal pilot decompression valve (18), oil mist separator (19), pressure charging valve (22), check valve (23), supercharging air accumulator (25), stop valve (28), entrance termination large discharge type air cleaner (14) of described stop valve (17), the outlet termination oil sprayer (29) of described stop valve (28), described supercharging air accumulator (25) is provided with automatic water trap (24), safety valve (26) and Pressure gauge (27).
As the scheme optimized, described pressure charging valve (22) has pilot control pipeline, the stop valve (20) of connection, pressure-reducing valve (21) is provided with in described pilot control pipeline, stop valve (20) entrance connects large discharge type air cleaner (14), and the outlet of pressure-reducing valve (21) connects pressure charging valve (22).
As the scheme optimized, an air inlet also normal pressure pre-admission pipeline in parallel of described supercharging air accumulator (25), described normal pressure pre-admission pipeline is provided with the stop valve (10), the check valve (9) that connect successively, stop valve (10) entrance connects large discharge type air cleaner (14), and check valve (9) outlet connects supercharging air accumulator (25).
As the scheme optimized, (1) is also provided with gas exhaust piping with described air accumulator, described gas exhaust piping comprises the 3rd normally closed two position two-way valve (32) being connected to air accumulator (1), and described 3rd normally closed two position two-way valve (32) is connected with silencer (33).
As the scheme optimized, this adjustment System also comprises programmable logic controller (PLC), described programmable logic controller (PLC) connects the first normally closed two position two-way valve (5), the second normally closed two position two-way valve (30), the 3rd normally closed two position two-way valve (32), controls the opening and closing of the first normally closed two position two-way valve (5), the second normally closed two position two-way valve (30), the 3rd normally closed two position two-way valve (32).
Operation principle of the present utility model: open the two position two-way valve on manual air inlet pipeline during manual air inlet, close two other two position two-way valve and realize manual air inlet, open the two position two-way valve on auto-admission pipeline during auto-admission, close two other two position two-way valve, the pressure manual air inlet pipeline of higher rear closedown and the two position two-way valve of auto-admission pipeline, the two position two-way valve opened on gas exhaust piping in air accumulator, if hypertonia in air accumulator, now safety valve is opened, and ensures that this system gas positive pressure is normal.If when needing large-tonnage air cushion power and equilibrant force, then open the two position two-way valve on auto-admission pipeline, close two other two position two-way valve, when pressure piping air inlet makes that in air accumulator, pressure reaches required force value, pressure sensor returning pressure value, close the two position two-way valve on auto-admission pipeline, reach scheduled pressure value, action completes.
The utility model has the advantage of:
1, air accumulator is adopted to be master cylinder air feed, guarantee intake and exhaust are unobstructed, manual and automatic dual-purpose blast adjustment control system is provided with between air accumulator and source of the gas, manual and auto-admission mode can be adopted simultaneously, simultaneously air accumulator Volume design becomes much larger than compressed air volume needed for master cylinder, ensures that system pressure fluctuation is less.
2, adopt three two position two-way valve combinations, by pressure sensor returning pressure value signal to PLC, thus control the opening and closing of three two position two-way valves, reach manual auto-admission, pipeline is simple.
3, pressure piping is set up, pressure piping is provided with supercharging air accumulator, when air pressure is higher needed for master cylinder, controls auto-admission pipeline two position two-way valve open Automatic-boosting by PLC, other air inlet pipelines are equipped with check valve, and pressurization gas can not reflux affects bleed pressure.
4, all air inlet pipeline parallel connection accesses, can give air accumulator air inlet fast, greatly shorten inlet period, raise the efficiency.
Accompanying drawing explanation
Fig. 1 is the structure principle chart that a kind of blast that is manual and automatic dual-purpose of the utility model adjusts control system.
Label implication in Fig. 1:
1, air accumulator; 2, Pressure gauge; 3, safety valve; 4, pressure sensor; 5, normally closed two position two-way valve; 6, oil sprayer; 7, check valve; 8, stop valve; 9, check valve; 10, stop valve; 11, check valve; 12, pressure-reducing valve; 13, stop valve; 14, large discharge type air cleaner; 15, stop valve; 16, source of the gas; 17, stop valve; 18, internal pilot decompression valve; 19, oil mist separator; 20, stop valve; 21, pressure-reducing valve; 22, pressure charging valve; 23, check valve; 24, automatic water trap; 25, supercharging air accumulator; 26, safety valve; 27, Pressure gauge; 28, stop valve; 29, large discharge type oil sprayer; 30, normally closed two position two-way valve; 31, check valve; 32, normally closed two position two-way valve; 33, silencer
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
Refer to shown in Fig. 1, a kind of blast that is manual and automatic dual-purpose of the utility model adjusts control system, is connected between air accumulator 1 and source of the gas 16.
Air accumulator 1 is arranged on the air cushion of punching machine and the intake and exhaust end of balancer master cylinder, the volume of air accumulator 1 is much larger than master cylinder volume, stop valve 15 is connected successively after source of the gas 16, large discharge type air cleaner 14 and manual and automatic dual-purpose blast adjustment control system, the gas of source of the gas 16 is through stop valve 15, large discharge type air cleaner 14 enters manually and automatic dual-purpose blast adjustment control system, then air accumulator 1 is entered, air accumulator 1 is connected to Pressure gauge 2, safety valve 3, pressure sensor 4, air accumulator 1 internal gas pressure can be monitored at any time, make the air pressure fluctuation of air accumulator 1 in allowed limits.Safety valve 3 is Machine guardings of system, prevents hypertonia to the infringement of system.
This manually and automatic dual-purpose blast adjustment control system comprise manual air inlet pipeline in parallel and auto-admission pipeline.
Described manual air inlet pipeline comprises the stop valve 13, pressure-reducing valve 12, check valve 11, oil sprayer 6, the normally closed two position two-way valve 5 that connect successively, the entrance termination large discharge type air cleaner 14 of described stop valve 13, the outlet termination air accumulator 1 of described normally closed two position two-way valve 5.
Described auto-admission pipeline comprises the stop valve 8, check valve 7, oil sprayer 29, normally closed two position two-way valve 30, the check valve 31 that connect successively, the entrance termination large discharge type air cleaner 14 of described stop valve 8, the outlet termination air accumulator 1 of described check valve 31.
As the scheme optimized further, an also pressure piping in parallel on described auto-admission pipeline, described pressure piping comprises the stop valve 17, internal pilot decompression valve 18, oil mist separator 19, pressure charging valve 22, check valve 23, supercharging air accumulator 25, the stop valve 28 that connect successively, the entrance termination large discharge type air cleaner 14 of described stop valve 17, the outlet termination oil sprayer 29 of described stop valve 28.An air inlet also normal pressure pre-admission pipeline in parallel of described supercharging air accumulator 25, described normal pressure pre-admission pipeline is provided with the stop valve 10, the check valve 9 that connect successively, and stop valve 10 entrance connects large discharge type air cleaner 14, and check valve 9 outlet connects supercharging air accumulator 25.Described supercharging air accumulator 25 is provided with automatic water trap 24, safety valve 26 and Pressure gauge 27.Described pressure charging valve 22 has pilot control pipeline, the stop valve 20 of connection, pressure-reducing valve 21 is provided with in described pilot control pipeline, stop valve 20 entrance connects large discharge type air cleaner 14, the outlet of pressure-reducing valve 21 connects pressure charging valve 22, pilot pressure has been established by pressure-reducing valve 21, it is constant that control pressure charging valve 22 exports air pressure, adopts internal pilot decompression valve 18 can control pressure charging valve 22 inlet pressure more stable.
Described air accumulator 1 is also provided with gas exhaust piping, and described gas exhaust piping comprises the normally closed two position two-way valve 32 being connected to air accumulator 1, and described normally closed two position two-way valve 32 is connected with silencer 33, and silencer 33 effectively can reduce noise during system works.
Check valves all in above system, stop valve are for controlling airflow direction and break-make, and pressure-reducing valve is used for adjusting a mouthful atmospheric pressure value, and oil sprayer provides lubrication for each magnetic valve action, and oil mist separator is used for the moisture in filter pipeline gas.
Pressure sensor 4 on air accumulator 1, for detecting air accumulator 1 internal gas pressure and transmitting back PLC, is controlled the opening and closing of normally closed two position two-way valve 5,30,32 by PLC.
The course of work that a kind of blast that is manual and automatic dual-purpose of the utility model adjusts control system is as described below.
During manual air inlet: pressure-reducing valve 12 sets master cylinder preset air pressure force value, PLC sends instruction and obtains electric to normally closed two position two-way valve 5, enter the air of system through stop valve 13, pressure-reducing valve 12, check valve 11, oil sprayer 6, normally closed two position two-way valve 5, enter air accumulator 1, realize manual air inlet, when reaching scheduled pressure value, detected pressures is transmitted back PLC by pressure sensor 4, and PLC controls the power-off of normally closed two position two-way valve 5, and manual air inlet completes.Check valve 11 prevents pressurized air from refluxing affects bleed pressure.
During auto-admission: when air cushion and balancer are in work, air accumulator 1 internal gas pressure has fluctuation, if air pressure is lower than undulating value lower limit, detected pressures is transmitted back PLC by pressure sensor 4, PLC controls normally closed two position two-way valve 30 and obtains electric, the air entering system enters air accumulator 1 through stop valve 8, check valve 7, oil sprayer 29, normally closed two position two-way valve 30, check valve 31, realizes auto-admission.Check valve 7 prevents the air return of super charge pipeline, affects bleed pressure.When needs supercharging, open super charge pipeline.Pressure piping increases supercharging air accumulator, ensure that air pressure is regulated the speed fast and stablizes.
During automatic vent: when pressure in air accumulator is prescribed a time limit higher than on undulating value, pressure sensor 4 transmits detected pressures to PLC, control normally closed two position two-way valve 32 by PLC and obtain electric, realize automatic vent.
The foregoing is only the preferred embodiment that the utility model is created; do not create in order to limit the utility model; the any amendment done within all spirit of creating at the utility model and principle, equivalent to replace and improvement etc., all should be included within protection domain that the utility model creates.
Claims (8)
1. a blast that is manual and automatic dual-purpose adjusts control system, it is characterized in that: blast adjustment control system is connected between air accumulator (1) and source of the gas (16), air accumulator (1) is arranged on the air cushion of punching machine and the intake and exhaust end of balancer master cylinder, connect stop valve (15), large discharge type air cleaner (14) and manual and automatic dual-purpose blast adjustment control system after source of the gas (16) successively, air accumulator (1) is connected to Pressure gauge (2), safety valve (3), pressure sensor (4).
2. a kind of blast that is manual and automatic dual-purpose according to claim 1 adjusts control system, it is characterized in that: described manual air inlet pipeline comprises the stop valve (13), pressure-reducing valve (12), check valve (11), oil sprayer (6), the first normally closed two position two-way valve (5) that connect successively, entrance termination large discharge type air cleaner (14) of described stop valve (13), the outlet termination air accumulator (1) of described first normally closed two position two-way valve (5).
3. a kind of blast that is manual and automatic dual-purpose according to claim 2 adjusts control system, it is characterized in that: described auto-admission pipeline comprises the stop valve (8), check valve (7), oil sprayer (29), the second normally closed two position two-way valve (30), the check valve (31) that connect successively, entrance termination large discharge type air cleaner (14) of described stop valve (8), the outlet termination air accumulator (1) of described check valve (31).
4. a kind of blast that is manual and automatic dual-purpose according to claim 3 adjusts control system, it is characterized in that: an also pressure piping in parallel on described auto-admission pipeline, described pressure piping comprises the stop valve (17) connected successively, internal pilot decompression valve (18), oil mist separator (19), pressure charging valve (22), check valve (23), supercharging air accumulator (25), stop valve (28), entrance termination large discharge type air cleaner (14) of described stop valve (17), the outlet termination oil sprayer (29) of described stop valve (28), described supercharging air accumulator (25) is provided with automatic water trap (24), safety valve (26) and Pressure gauge (27).
5. a kind of blast that is manual and automatic dual-purpose according to claim 4 adjusts control system, it is characterized in that: described pressure charging valve (22) has pilot control pipeline, the stop valve (20) of connection, pressure-reducing valve (21) is provided with in described pilot control pipeline, stop valve (20) entrance connects large discharge type air cleaner (14), and the outlet of pressure-reducing valve (21) connects pressure charging valve (22).
6. a kind of blast that is manual and automatic dual-purpose according to claim 4 adjusts control system, it is characterized in that: an air inlet also normal pressure pre-admission pipeline in parallel of described supercharging air accumulator (25), described normal pressure pre-admission pipeline is provided with the stop valve (10), the check valve (9) that connect successively, stop valve (10) entrance connects large discharge type air cleaner (14), and check valve (9) outlet connects supercharging air accumulator (25).
7. a kind of blast that is manual and automatic dual-purpose according to claim 1 adjusts control system, it is characterized in that: (1) is also provided with gas exhaust piping with described air accumulator, described gas exhaust piping comprises the 3rd normally closed two position two-way valve (32) being connected to air accumulator (1), and described 3rd normally closed two position two-way valve (32) is connected with silencer (33).
8. a kind of blast that is manual and automatic dual-purpose according to claim 1 adjusts control system, it is characterized in that: control system also comprises programmable logic controller (PLC), described programmable logic controller (PLC) connects the first normally closed two position two-way valve (5), the second normally closed two position two-way valve (30), the 3rd normally closed two position two-way valve (32).
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105241617A (en) * | 2015-11-12 | 2016-01-13 | 中国人民解放军海军航空工程学院青岛校区 | Floating life-saving equipment air-tightness inspection instrument and inspection method |
CN105253628A (en) * | 2015-08-07 | 2016-01-20 | 上海空间推进研究所 | Air path control system of air cushion conveying equipment |
CN106862359A (en) * | 2017-04-18 | 2017-06-20 | 苏州蓝王机床工具科技有限公司 | Forcing press stretches cushion steam pressure control system |
CN107830407A (en) * | 2017-11-24 | 2018-03-23 | 河南理工大学 | The control device and control method of a kind of pneumatic main ductwork pressure of stabilization |
CN109538572A (en) * | 2018-12-26 | 2019-03-29 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of fine balance cylinder air supply system |
CN110421053A (en) * | 2019-08-05 | 2019-11-08 | 沃得精机(中国)有限公司 | A kind of press machine stretching cushion steam source is for tonifying Qi automatic control system |
CN111873515A (en) * | 2020-09-27 | 2020-11-03 | 浙江易锻精密机械有限公司 | Manual and automatic intelligent pneumatic module for balance cylinder of press machine |
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2014
- 2014-11-25 CN CN201420721100.9U patent/CN204263603U/en active Active
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105253628A (en) * | 2015-08-07 | 2016-01-20 | 上海空间推进研究所 | Air path control system of air cushion conveying equipment |
CN105241617A (en) * | 2015-11-12 | 2016-01-13 | 中国人民解放军海军航空工程学院青岛校区 | Floating life-saving equipment air-tightness inspection instrument and inspection method |
CN106862359A (en) * | 2017-04-18 | 2017-06-20 | 苏州蓝王机床工具科技有限公司 | Forcing press stretches cushion steam pressure control system |
CN107830407A (en) * | 2017-11-24 | 2018-03-23 | 河南理工大学 | The control device and control method of a kind of pneumatic main ductwork pressure of stabilization |
CN109538572A (en) * | 2018-12-26 | 2019-03-29 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of fine balance cylinder air supply system |
CN110421053A (en) * | 2019-08-05 | 2019-11-08 | 沃得精机(中国)有限公司 | A kind of press machine stretching cushion steam source is for tonifying Qi automatic control system |
CN110421053B (en) * | 2019-08-05 | 2024-04-23 | 沃得精机(中国)有限公司 | Automatic control system for supplying and supplementing air to air source of stretching pad of press machine |
CN111873515A (en) * | 2020-09-27 | 2020-11-03 | 浙江易锻精密机械有限公司 | Manual and automatic intelligent pneumatic module for balance cylinder of press machine |
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Address after: 230001 Hefei economic and Technological Development Zone, Anhui, No. 123 Ziyun Road Patentee after: Hefei forging intelligent manufacturing Limited by Share Ltd Address before: 230001 Hefei economic and Technological Development Zone, Anhui, No. 123 Ziyun Road Patentee before: Hefei Metalforming Machine Tool Co., Ltd. |
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CP01 | Change in the name or title of a patent holder |