CN206571757U - Pre-pressing type oil pressure increasing device - Google Patents
Pre-pressing type oil pressure increasing device Download PDFInfo
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- CN206571757U CN206571757U CN201720237851.7U CN201720237851U CN206571757U CN 206571757 U CN206571757 U CN 206571757U CN 201720237851 U CN201720237851 U CN 201720237851U CN 206571757 U CN206571757 U CN 206571757U
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Abstract
A kind of pre-pressing type oil pressure increasing device, include the first of arrangement up and down, two, three connecting seats, first, precompression cylinder and pressurized cylinder are set between two connecting seats, second, working cylinder is connected between three connecting seats, it is provided with the first connecting seat and is passed through the precompressed air admission hole of precompression cylinder epicoele and is passed through the supercharging fuel feed hole of pressurized cylinder epicoele, provided with the precompressed oil duct for being passed through working cylinder on the second connecting seat, connect the supercharging oil duct of pressurized cylinder cavity of resorption and working cylinder epicoele, solenoid directional control valve is installed on the second connecting seat, in the oil inlet access precompression cylinder of solenoid directional control valve, the one oil-out of solenoid directional control valve is connected through oil pipe with supercharging oil inlet, another oil-out of solenoid directional control valve is connected with precompressed oil duct, provided with the return stomata for being passed through working cylinder cavity of resorption on the 3rd connecting seat.Punching operation can be divided into precompressed and supercharging two-step process by it, improve supercharging and exert oneself, reduce punching press responsiveness, job safety is reliable.
Description
Technical field
The utility model is related to booster, particularly a kind of pre-pressing type oil pressure increasing device.
Background technology
Booster is the executing agency of press machine, and direct press type booster is to use pure compressed air as power
Source, using size piston cross-section in booster, when Pascal's energy keeps weighing apparatus principle, and the low pressure of air pressure is improved into decades of times supply
Hydraulic cylinder is used, so as to reach formed product purpose.Existing booster is mainly direct press type booster, this direct press type
Booster connects direct punch forming after gas using whole high voltage type stroke, and supercharging is exerted oneself small, and punching press responsiveness is very fast, work
Industry is dangerous.
The content of the invention
The utility model is that it can be by punching press in order to solve the above-mentioned technical problem there is provided a kind of pre-pressing type oil pressure increasing device
Division of operations is precompressed and supercharging two-step process, improves supercharging and exerts oneself, reduce punching press responsiveness, job safety is reliable.
Technical solution of the present utility model is：
A kind of pre-pressing type oil pressure increasing device, including the first connecting seat, the second connecting seat and the 3rd connecting seat of arrangement up and down,
It is characterized in that：Precompression cylinder and pressurized cylinder are set between first and second connecting seat, connected between second and third connecting seat
The downward working cylinder of cylinder rod, the pressurized cylinder is for stair-stepping pressurized cylinder cylinder barrel and in pressurized cylinder cylinder barrel by inner chamber
Charged piston is constituted, and the charged piston is the narrow footpath intracavitary of big piston, pressurized cylinder cylinder barrel by the wide footpath intracavitary of pressurized cylinder cylinder barrel
Valve piston, the connecting rod being installed between big piston and valve piston are constituted；It is provided with the first connecting seat and is passed through precompression cylinder epicoele
Precompressed air admission hole and the supercharging fuel feed hole for being passed through pressurized cylinder epicoele, provided with the pre- force feed for being passed through working cylinder on the second connecting seat
The supercharging oil duct in road, connection pressurized cylinder cavity of resorption and working cylinder epicoele, installs solenoid directional control valve, electromagnetic switch on the second connecting seat
In the oil inlet access precompression cylinder of valve, the one oil-out of solenoid directional control valve is connected through oil pipe with supercharging oil inlet, electromagnetic switch
Another oil-out of valve is connected with precompressed oil duct, provided with the return stomata for being passed through working cylinder cavity of resorption on the 3rd connecting seat.
Further preferably, the connecting bolt pull bar between first and second connecting seat, enhancing precompression cylinder and pressurized cylinder Stability Analysis of Structures
Property, prevent pressurized cylinder and precompression cylinder oil leak.
Further preferably, the connecting bolt pull bar between second and third connecting seat, strengthens working cylinder structural stability, prevents
Working cylinder oil leak.
The beneficial effects of the utility model are：
During punching operation, switch solenoid directional control valve first, precompression cylinder is turned on through precompressed oil duct and working cylinder epicoele, then
Air pressure is passed through to precompression cylinder epicoele through precompressed air admission hole, by the pressure oil in precompression cylinder through precompressed oil duct crushing failure at high speed to working cylinder
Epicoele, the cylinder cylinder rod that pushes the work forward quickly is stretched out, and the upper die of stamping die being arranged in working cylinder cylinder rod is quickly leaned workpiece
On lowing die for stamping die on press machine, then switch solenoid directional control valve, precompression cylinder turned on through oil pipe and pressurized cylinder epicoele,
Continue on through precompressed air admission hole and air pressure is passed through into precompression cylinder, the pressure oil in precompression cylinder is pressed into pressurized cylinder, by pressurized cylinder
Charged piston compresses downwards, and the pressure oil of intracavitary enters working cylinder through being pressurized oil duct under pressurized cylinder, and working cylinder cylinder rod is pressurized, pushed away
Dynamic working cylinder cylinder rod is stretched out, and steel plate punched is molded, punching operation is completed, and punching operation is divided into precompressed and two sections of supercharging is moved
Make process, improve supercharging and exert oneself, reduce punching press responsiveness, job safety is reliable.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure：The connecting seats of 1- first, the connecting seats of 2- second, the connecting seats of 3- the 3rd, 4- precompression cylinders, 5- pressurized cylinders, 6- work
Cylinder, 7- precompressed air admission holes, 8- supercharging fuel feed holes, 9- precompressed oil ducts, 10- supercharging oil ducts, 11- solenoid directional control valves, 12- return gas
Hole, 501- pressurized cylinder cylinder barrels, 502- charged pistons, the big pistons of 5021-, 5022- valve pistons, 5023- connecting rods.
Embodiment
As illustrated, a kind of pre-pressing type oil pressure increasing device, including the first connecting seat 1 of arrangement, the and of the second connecting seat 2 up and down
3rd connecting seat 3, installs precompression cylinder 4 and pressurized cylinder 5, between first and second connecting seat 1,2 between first and second connecting seat 1,2
Connecting bolt pull bar, connects the downward working cylinder 6 of cylinder rod between second and third connecting seat 2,3, second and third connecting seat 2,3 it
Between connecting bolt pull bar, it by inner chamber is stair-stepping pressurized cylinder cylinder barrel 501 and installed in pressurized cylinder cylinder barrel that the pressurized cylinder 5, which is,
Charged piston 502 in 501 is constituted, the charged piston 502 be by the wide footpath intracavitary of pressurized cylinder cylinder barrel 501 big piston 5021,
The valve piston 5022 of the narrow footpath intracavitary of pressurized cylinder cylinder barrel 501, the connecting rod 5023 being installed between big piston 5021 and valve piston 5022
Constitute；Enter on the first connecting seat 1 provided with the precompressed air admission hole 7 for being passed through the epicoele of precompression cylinder 4 and the supercharging for being passed through the epicoele of pressurized cylinder 5
Oilhole 8, provided with the precompressed oil duct 9, the connection cavity of resorption of pressurized cylinder 5 and the epicoele of working cylinder 6 for being passed through working cylinder 6 on the second connecting seat 2
Supercharging oil duct 10, on the second connecting seat 2 install solenoid directional control valve 11, solenoid directional control valve 11 oil inlet access precompression cylinder 4
Interior, the one oil-out of solenoid directional control valve 11 is connected through oil pipe with supercharging fuel feed hole 8, another oil-out of solenoid directional control valve 11 with
Precompressed oil duct 9 is connected, provided with the return stomata 12 for being passed through the cavity of resorption of working cylinder 6 on the 3rd connecting seat 3.
During installation, the pre-pressing type oil pressure increasing device is arranged on press machine, is filled with precompression cylinder 4 and pressurized cylinder 5
Pressure oil, upper die of stamping die is arranged in the cylinder rod of working cylinder 6.
During punching operation, switch solenoid directional control valve 11 first, precompression cylinder 4 is led through precompressed oil duct 9 with the epicoele of working cylinder 6
It is logical, air pressure then is passed through to the epicoele of precompression cylinder 4 through precompressed air admission hole 7, the pressure oil in precompression cylinder 4 is quick through precompressed oil duct 9
The epicoele of working cylinder 6 is expressed to, the cylinder rod of cylinder 6 that pushes the work forward quickly is stretched out, makes the upper die of stamping die being arranged in the cylinder rod of working cylinder 6
Workpiece is quickly acted against on the lowing die for stamping die on press machine, then switch solenoid directional control valve 11, by precompression cylinder 4 through oil pipe
Turned on the epicoele of pressurized cylinder 6, continue on through precompressed air admission hole 7 and be passed through air pressure into precompression cylinder 4, by the pressure oil pressure in precompression cylinder 4
Enter pressurized cylinder 5, the charged piston 502 in pressurized cylinder 5 is compressed downwards, the pressure oil of 5 times intracavitary of pressurized cylinder is through being pressurized oil duct 10
Into working cylinder 6, the cylinder rod of working cylinder 6 is pressurized, the cylinder rod of cylinder 6 that pushes the work forward is stretched out, and steel plate punched is molded, completes punching press behaviour
Make.
When return is operated, air pressure is passed through to the cavity of resorption of working cylinder 6 through return stomata 12 first, the cylinder rod of working cylinder 6 is carried upwards
Rise, the pressure oil of intracavitary is retracted in pressurized cylinder 5 through being pressurized oil duct 10 on working cylinder 6, then switching solenoid valve 11 and is continued on through back
Position stomata 12 is passed through the remaining pressure oil of intracavitary on air pressure, working cylinder 6 to the cavity of resorption of working cylinder 6 and returns to precompressed through precompressed oil duct 9
In cylinder 4, operation is completed.
Specific embodiment of the utility model is these are only, the utility model is not limited to, for this area
Technical staff for, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle within,
Any modification, equivalent substitution and improvements made etc., should be included within protection domain of the present utility model.
Claims (3)
1. a kind of pre-pressing type oil pressure increasing device, including the first connecting seat, the second connecting seat and the 3rd connecting seat of arrangement up and down, its
It is characterised by：Precompression cylinder and pressurized cylinder are set between first and second connecting seat, connected between second and third connecting seat cylinder rod to
Under working cylinder, it by inner chamber is that stair-stepping pressurized cylinder cylinder barrel and supercharging in pressurized cylinder cylinder barrel are lived that the pressurized cylinder, which is,
Plug constitute, the charged piston be by the narrow footpath intracavitary of big piston, pressurized cylinder cylinder barrel of the wide footpath intracavitary of pressurized cylinder cylinder barrel valve piston,
The connecting rod being installed between big piston and valve piston is constituted；Provided with the precompressed air inlet for being passed through precompression cylinder epicoele on the first connecting seat
Hole and the supercharging fuel feed hole for being passed through pressurized cylinder epicoele, provided with precompressed oil duct, the connection increasing for being passed through working cylinder on the second connecting seat
The supercharging oil duct of cylinder pressure cavity of resorption and working cylinder epicoele, installs solenoid directional control valve, the oil-feed of solenoid directional control valve on the second connecting seat
In mouthful access precompression cylinder, the one oil-out of solenoid directional control valve is connected through oil pipe with being pressurized oil inlet, solenoid directional control valve it is another
Oil-out is connected with precompressed oil duct, provided with the return stomata for being passed through working cylinder cavity of resorption on the 3rd connecting seat.
2. pre-pressing type oil pressure increasing device according to claim 1, it is characterised in that：Connected between first and second connecting seat
Bolt draw bar.
3. pre-pressing type oil pressure increasing device according to claim 1, it is characterised in that：Connected between second and third connecting seat
Bolt draw bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720237851.7U CN206571757U (en) | 2017-03-13 | 2017-03-13 | Pre-pressing type oil pressure increasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720237851.7U CN206571757U (en) | 2017-03-13 | 2017-03-13 | Pre-pressing type oil pressure increasing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206571757U true CN206571757U (en) | 2017-10-20 |
Family
ID=60057013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720237851.7U Active CN206571757U (en) | 2017-03-13 | 2017-03-13 | Pre-pressing type oil pressure increasing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206571757U (en) |
-
2017
- 2017-03-13 CN CN201720237851.7U patent/CN206571757U/en active Active
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