CN207261334U - Large-tonnage inertia friction welder fluid power system - Google Patents
Large-tonnage inertia friction welder fluid power system Download PDFInfo
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- CN207261334U CN207261334U CN201720460863.6U CN201720460863U CN207261334U CN 207261334 U CN207261334 U CN 207261334U CN 201720460863 U CN201720460863 U CN 201720460863U CN 207261334 U CN207261334 U CN 207261334U
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Abstract
A kind of large-tonnage inertia friction welder fluid power system, including low pressure and mass flow vane pump (4), high-pressure small flow plunger pumps (7), first two-position four-way electro-hydraulic reversing valve (13.1), second two-position four-way electro-hydraulic reversing valve (13.2), 3-position 4-way electro-hydraulic reversing valve (14), 3rd two-position four-way electro-hydraulic reversing valve (16), main shaft workpiece oil cylinder (18.1), tailstock workpiece oil cylinder (18.2) and upset oil cylinder (18.3).The utility model is greatly reduced installed power, saves energy consumption；Also achieve the quick acting of main shaft workpiece oil cylinder at the same time and clamp solid and reliable, tailstock workpiece oil cylinder quick acting and clamp firm stable and upset oil cylinder low pressure fast forward through, high-pressure work feeding, the action such as high-voltage high-speed upset and low pressure rapid backward, system acting process is automatically controlled by computer+PLC program, has the advantages that structural principle is simple, having stable behavior is reliable.
Description
Technical field
It the utility model is related to large-tonnage inertia friction welder fluid power system.
Background technology
The development of jumbo jet engine rotation component inertia friction welder, realizes that inertia friction Welding is applied
Basis, by developing large-tonnage flywheel friction welding machine host and fluid power system, could finally carry out engine rotation component
High-quality high-efficiency welding, the design of aero-engine modular construction is become feasible, and ensures engine rotation component workmanship
With the guarantee of safe operation.And existing large-tonnage inertia friction welder fluid power system foreign countries are substantially and are supplied using single pump
For oily mode, it is necessary to high-pressure high-flow plunger pump, installed power is big, of high cost, domestic technique currently not yet, and by grinding
Low pressure and mass flow processed, high-pressure low-flow large-tonnage inertia friction welder fluid power system, can just make technology from scratch, realize
Technology upgrading.
Utility model content
Technical problem to be solved in the utility model is to provide that a kind of installed power is small, cost is low, energy-saving, performance
Reliable and stable large-tonnage inertia friction welder fluid power system, to overcome technical deficiency existing in the prior art.This practicality
It is new to adopt the following technical scheme that：A kind of large-tonnage inertia friction welder fluid power system, including low pressure and mass flow blade
Pump 4, high-pressure small flow plunger pumps 7, first two-position four-way electro-hydraulic reversing valve 13.1, second two-position four-way electro-hydraulic reversing valve
13.2,3-position 4-way electro-hydraulic reversing valve 14, the 3rd two-position four-way electro-hydraulic reversing valve 16, main shaft workpiece oil cylinder 18.1, tailstock work
Part oil cylinder 18.2 and upset oil cylinder 18.3.
4 lower end suction inlet connection the first suction inlet of self-sealing oil filter 1.1 of low pressure and mass flow vane pump, low pressure and mass flow leaf
The upper end outlet of piece pump 4 and the positive hydraulic fluid port of the first tubular type check valve 9.1, the oil inlet of the first electromagnetic relief valve 6.1, the first pressure
Power table 8.1 is linked in sequence together；The forward direction of the positive hydraulic fluid port of first plate-type non-return valve 10.1, the second plate-type non-return valve 10.2
The reverse hydraulic fluid port of hydraulic fluid port, the positive hydraulic fluid port of the second tubular type check valve 9.2 and the first tubular type check valve 9.1 is linked in sequence one
Rise.
7 lower end suction inlet connection the second suction inlet of self-sealing oil filter 1.2 of high-pressure small flow plunger pumps, high-pressure low-flow column
The upper end outlet of plug pump 7 and the positive hydraulic fluid port of the second tubular type check valve 9.2, the oil inlet of the second electromagnetic relief valve 6.2, the second pressure
Power table 8.2 is linked in sequence together；The lower part hydraulic fluid port of first segment discharge orifice 11.1, the lower part hydraulic fluid port of the second throttle orifice 11.2, ratio
The reverse hydraulic fluid port of the example oil inlet of valve 12, the reverse hydraulic fluid port of three-tube type check valve 9.3 and the second tubular type check valve 9.2 is in order
Link together.
First hydraulic fluid port of first two-position four-way electro-hydraulic reversing valve 13.1, the reverse oil of the first plate-type non-return valve 10.1
Together with mouth is linked in sequence with the top hydraulic fluid port of first segment discharge orifice 11.1, the of first two-position four-way electro-hydraulic reversing valve 13.1
Two hydraulic fluid ports connect the oil inlet of return oil filter 2, the 3rd hydraulic fluid port connection main shaft of first two-position four-way electro-hydraulic reversing valve 13.1
The A1 hydraulic fluid ports of workpiece oil cylinder 18.1, the 4th hydraulic fluid port of first two-position four-way electro-hydraulic reversing valve 13.1 connect the first pressure reducing valve 15.1
Oil inlet.
The oil inlet of the first hydraulic fluid port connection return oil filter 2 of second two-position four-way electro-hydraulic reversing valve 13.2, the
The reverse hydraulic fluid port and the second throttle orifice of second hydraulic fluid port of two two-position four-way electro-hydraulic reversing valves 13.2, the second plate-type non-return valve 10.2
11.2 top hydraulic fluid port is linked in sequence together, the 3rd hydraulic fluid port connection second of second two-position four-way electro-hydraulic reversing valve 13.2
The oil inlet of pressure reducing valve 15.2, the 4th hydraulic fluid port connection tailstock workpiece oil cylinder 18.2 of second two-position four-way electro-hydraulic reversing valve 13.2
B2 hydraulic fluid ports.
The oil inlet of the first hydraulic fluid port connection return oil filter 2 of the 3-position 4-way electro-hydraulic reversing valve 14,3-position 4-way electricity
Second hydraulic fluid port of liquid reversal valve 14, the oil outlet of proportioning valve 12 and the 3rd pressure gauge 8.3 are linked in sequence together, 3-position 4-way
The oil outlet of 3rd hydraulic fluid port of electro-hydraulic reversing valve 14, the second hydraulic fluid port of the 3rd two-position four-way electro-hydraulic reversing valve 16 and throttle valve 17
It is linked in sequence together, the B3 hydraulic fluid ports of the 4th hydraulic fluid port connection upset oil cylinder 18.3 of 3-position 4-way electro-hydraulic reversing valve 14.
In the specific implementation of the utility model, the A1 hydraulic fluid ports of main shaft workpiece oil cylinder 18.1 connect first two-position four-way electricity
3rd hydraulic fluid port of liquid reversal valve 13.1, the B1 hydraulic fluid ports of main shaft workpiece oil cylinder 18.1, the oil outlet and the 4th of the first pressure reducing valve 15.1
Pressure gauge 8.4 is linked in sequence together.
In specific embodiment of the present utility model, the A2 hydraulic fluid ports of tailstock workpiece oil cylinder 18.2, the second pressure reducing valve 15.2
Oil outlet and the 5th pressure gauge 8.5 be linked in sequence together, the B2 hydraulic fluid ports of tailstock workpiece oil cylinder 18.2 connect second two
4th hydraulic fluid port of position four-way electro-hydraulic reversing valve 13.2.
In the specific implementation of the utility model, the A3 hydraulic fluid ports of upset oil cylinder 18.3, the 3rd electro-hydraulic commutation of two-position four-way
Together with 4th hydraulic fluid port of valve 16 is linked in sequence with the oil inlet of throttle valve 17, the B3 hydraulic fluid ports of upset oil cylinder 18.3 connect three
4th hydraulic fluid port of four-way electro-hydraulic reversing valve 14, the first hydraulic fluid port closing of the 3rd two-position four-way electro-hydraulic reversing valve 16, the 3rd two
The second hydraulic fluid port, the oil inlet of throttle valve 17 and the 3rd hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve 14 of position four-way electro-hydraulic reversing valve 16
It is linked in sequence together, the 3rd hydraulic fluid port closing of the 3rd two-position four-way electro-hydraulic reversing valve 16.
Utility model works principle
1. vane pump 4 and plunger pump 7 are manually booted, 6.1 electromagnet of the first electromagnetic relief valve and the second electromagnetic relief valve 6.2
Electromagnet is powered, and vane pump 4 and plunger pump 7 establish pressure.
2. the clamping button of main shaft workpiece oil cylinder 18.1 is manually pressed by, first 13.1 spool of two-position four-way electro-hydraulic reversing valve
A is pushed into valve chamber, and fuel feeding, Quick holding part, clamping pressure are increased to setting for vane pump 4 at the same time for vane pump 4 and 7 double pump of plunger pump
During definite value, vane pump 4 can not be again to oil circuit fuel feeding, this is that only plunger pump 7 individually to 18.1 fuel feeding of main shaft workpiece oil cylinder, is realized
Main shaft firm workpiece clamping.
3. the clamping button of tailstock workpiece oil cylinder 18.2 is manually pressed by, second 13.2 spool of two-position four-way electro-hydraulic reversing valve
A is pushed into valve chamber, and fuel feeding, Quick holding part, clamping pressure are increased to setting for vane pump 4 at the same time for vane pump 4 and 7 double pump of plunger pump
During definite value, vane pump 4 can not be again to oil circuit fuel feeding, this is that only plunger pump 7 individually to 18.2 fuel feeding of tailstock workpiece oil cylinder, is realized
Tailstock firm workpiece clamping.
4. after completing above-mentioned steps, being manually pressed by welding button, system enters auto-programming process：Upset oil cylinder 18.3 is low
When pressure fast forwards through, the spool b of 3-position 4-way electro-hydraulic reversing valve 14 is promoted to be in valve chamber, low pressure and mass flow vane pump 4 and high pressure
Small 7 double pump of flow plunger pump while fuel feeding, by the second hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve 14, the 4th oil after proportioning valve 12
Mouth enters the B3 hydraulic fluid ports of upset oil cylinder 18.3, A3 hydraulic fluid ports discharge the 4th hydraulic fluid port through the 3rd two-position four-way electro-hydraulic reversing valve 16,
Second hydraulic fluid port flows back to fuel tank；Operating position is reached, 14 spool of 3-position 4-way electro-hydraulic reversing valve returns middle position, oil cylinder stop motion；Arrive
Start high-pressure work feeding after setting time, the spool b of 3-position 4-way electro-hydraulic reversing valve 14 is in valve chamber, the 3rd two-position four-way
The spool a of electro-hydraulic reversing valve 16 is in valve chamber, valve closure, and 7 independent fuel feeding of high-pressure small flow plunger pumps is after proportioning valve 12 by three
The second hydraulic fluid port, the 4th hydraulic fluid port of position four-way electro-hydraulic reversing valve 14 enter the B3 hydraulic fluid ports of upset oil cylinder 18.3, A3 hydraulic fluid ports discharge warp knuckle
Stream valve 17 flows back to fuel tank；High-pressure work switchs to high-voltage high-speed upset, 7 He of high-pressure small flow plunger pumps when being fed into displacement setting value
14 state of 3-position 4-way electro-hydraulic reversing valve is constant, and fuel feeding is after proportioning valve 12 by the second oil of 3-position 4-way electro-hydraulic reversing valve 14
Mouthful, the 4th hydraulic fluid port enter the B3 hydraulic fluid ports of upset oil cylinder 18.3, the discharge of A3 hydraulic fluid ports through the 3rd two-position four-way electro-hydraulic reversing valve 16
4th hydraulic fluid port, the second hydraulic fluid port flow back to fuel tank, complete compressing process；Then first 13.1 spool b of two-position four-way electro-hydraulic reversing valve
In valve chamber, fuel feeding, main shaft workpiece oil cylinder 18.1 are fast at the same time for low pressure and mass flow vane pump 4 and 7 double pump of high-pressure small flow plunger pumps
Speed unclamps workpiece；18.3 low pressure rapid backward of upset oil cylinder, promotes the spool a of 3-position 4-way electro-hydraulic reversing valve 14 to be in valve chamber,
Low pressure and mass flow vane pump 4 and 7 double pump of high-pressure small flow plunger pumps while fuel feeding, are changed after proportioning valve 12 by 3-position 4-way is electro-hydraulic
After to the second hydraulic fluid port of valve 14, the second hydraulic fluid port of the 3rd hydraulic fluid port and the 3rd two-position four-way electro-hydraulic reversing valve 16, the 4th hydraulic fluid port by
A3 enters, fourth hydraulic fluid port, first hydraulic fluid port of the B3 discharges through 3-position 4-way electro-hydraulic reversing valve 14 flow back to fuel tank, and rapid backward is to initial
Position, then 14 spool of 3-position 4-way electro-hydraulic reversing valve time middle position, upset oil cylinder 18.3 are parked in initial position；Second two at this time
Four-way electro-hydraulic reversing valve 13.2 spool b in position is in valve chamber, and tailstock workpiece oil cylinder 18.2 unclamps workpiece, takes out flywheel friction welding at this time
Workpiece is connect, and at this moment, large-tonnage inertia friction welder has completed a working cycle process.
The utility model technique effect
Using above-mentioned technical proposal, the utility model only passes through 1 low pressure and mass flow vane pump, 1 high-pressure low-flow column
Plug pump double pump fuel feeding combination and 1 3-position 4-way electro-hydraulic reversing valve, 3 two-position four-way electro-hydraulic reversing valves, 5 check valves, 2
Electromagnetic relief valve, 1 proportioning valve, 1 throttle valve, 2 pressure reducing valves and 3 oil cylinders are achieved that large-tonnage inertia friction welder liquid
Press drive system；Fluid power system realize low pressure and mass flow vane pump and high-pressure small flow plunger pumps double pump at the same time to
The technology of same oil circuit fuel feeding, by check valve and the Proper Match of throttle orifice, avoids interfering for two oil circuits, plays two
The respective advantage of oil pump, hydraulic system installed power 45kW, compared to the hydraulic system installed power using 1 high-pressure plunger pump
150kW, is greatly reduced installed power, saves energy consumption；The quick acting of main shaft workpiece oil cylinder is also achieved at the same time and is clamped firm
Reliably, the quick acting of tailstock workpiece oil cylinder and clamping firm stable and upset oil cylinder low pressure fast forward through, high-pressure work is fed,
High-voltage high-speed upset and low pressure rapid backward etc. act, and system acting process is automatically controlled by computer+PLC program, have knot
The advantages of structure principle is simple, having stable behavior is reliable.
Brief description of the drawings
Fig. 1 is the hydraulic system principle figure of the utility model.
Embodiment
As shown in Figure 1, the large-tonnage inertia friction welder fluid power system of the utility model, including low pressure and mass flow leaf
Piece pump 4, high-pressure small flow plunger pumps 7, first two-position four-way electro-hydraulic reversing valve 13.1, second two-position four-way electro-hydraulic reversing valve
13.2,3-position 4-way electro-hydraulic reversing valve 14, the 3rd two-position four-way electro-hydraulic reversing valve 16, main shaft workpiece oil cylinder 18.1, tailstock work
Part oil cylinder 18.2 and upset oil cylinder 18.3.
Low pressure and mass flow vane pump 4 is constant displacement pump, is driven by motor 5.1, and pressure is set by the first electromagnetic relief valve 6.1,
Setting value 3MPa；4 lower end suction inlet connection the first suction inlet of self-sealing oil filter 1.1 of low pressure and mass flow vane pump, low pressure and mass flow leaf
The upper end outlet of piece pump 4 and the positive hydraulic fluid port of the first tubular type check valve 9.1, the oil inlet of the first electromagnetic relief valve 6.1, first
Pressure gauge 8.1 is linked in sequence together；The positive hydraulic fluid port of first plate-type non-return valve 10.1, the second plate-type non-return valve 10.2 are just
It is linked in sequence to the reverse hydraulic fluid port of hydraulic fluid port, the positive hydraulic fluid port of the second tubular type check valve 9.2 and the first tubular type check valve 9.1 one
Rise.
High-pressure small flow plunger pumps 7 are variable pumps, are driven by motor 5.2, and pressure is set by the second electromagnetic relief valve 6.2,
Setting value 22MPa；7 lower end suction inlet connection the second suction inlet of self-sealing oil filter 1.2 of high-pressure small flow plunger pumps, high-pressure low-flow column
The upper end outlet of plug pump 7 and the positive hydraulic fluid port of the second tubular type check valve 9.2, the oil inlet of the second electromagnetic relief valve 6.2, the second pressure
Power table 8.2 is linked in sequence together；The lower part hydraulic fluid port of first segment discharge orifice 11.1, the lower part hydraulic fluid port of the second throttle orifice 11.2, ratio
The reverse hydraulic fluid port of the example oil inlet of valve 12, the reverse hydraulic fluid port of three-tube type check valve 9.3 and the second tubular type check valve 9.2 is in order
Link together.
First hydraulic fluid port of first two-position four-way electro-hydraulic reversing valve 13.1, the first plate-type non-return valve 10.1 reverse hydraulic fluid port and
The top hydraulic fluid port of first segment discharge orifice 11.1 is linked in sequence together, the second oil of first two-position four-way electro-hydraulic reversing valve 13.1
The oil inlet of mouth connection return oil filter 2, the 3rd hydraulic fluid port connection main shaft workpiece of first two-position four-way electro-hydraulic reversing valve 13.1
The A1 hydraulic fluid ports of oil cylinder 18.1, the 4th hydraulic fluid port of first two-position four-way electro-hydraulic reversing valve 13.1 connect the first pressure reducing valve 15.1 into
Hydraulic fluid port.
The oil inlet of the first hydraulic fluid port connection return oil filter 2 of second two-position four-way electro-hydraulic reversing valve 13.2, second
Second hydraulic fluid port of two-position four-way electro-hydraulic reversing valve 13.2, the reverse hydraulic fluid port of the second plate-type non-return valve 10.2 and the second throttle orifice 11.2
Top hydraulic fluid port be linked in sequence together, the second decompression of the 3rd hydraulic fluid port connection of second two-position four-way electro-hydraulic reversing valve 13.2
The oil inlet of valve 15.2, the B2 of the 4th hydraulic fluid port connection tailstock workpiece oil cylinder 18.2 of second two-position four-way electro-hydraulic reversing valve 13.2
Hydraulic fluid port.
The oil inlet of the first hydraulic fluid port connection return oil filter 2 of 3-position 4-way electro-hydraulic reversing valve 14,3-position 4-way is electro-hydraulic to be changed
The oil outlet and the 3rd pressure gauge 8.3 of the second hydraulic fluid port, proportioning valve 12 to valve 14 are linked in sequence together, and 3-position 4-way is electro-hydraulic
The oil outlet of 3rd hydraulic fluid port of reversal valve 14, the second hydraulic fluid port of the 3rd two-position four-way electro-hydraulic reversing valve 16 and throttle valve 17 is by suitable
Sequence links together, the B3 hydraulic fluid ports of the 4th hydraulic fluid port connection upset oil cylinder 18.3 of 3-position 4-way electro-hydraulic reversing valve 14.
The first hydraulic fluid port closing of 3rd two-position four-way electro-hydraulic reversing valve 16, the 3rd two-position four-way electro-hydraulic reversing valve 16
Together with second hydraulic fluid port, the oil inlet of throttle valve 17 are linked in sequence with the 3rd hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve 14, the
The 3rd hydraulic fluid port closing of three two-position four-way electro-hydraulic reversing valves 16, the 4th hydraulic fluid port of the 3rd two-position four-way electro-hydraulic reversing valve 16,
Together with the oil outlet of throttle valve 17 is linked in sequence with the A3 hydraulic fluid ports of upset oil cylinder 18.3.
Second hydraulic fluid port of first two-position four-way electro-hydraulic reversing valve 13.1, second two-position four-way electro-hydraulic reversing valve 13.2
First hydraulic fluid port, the first hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve 14, the oil outlet of the first electromagnetic relief valve 6.1, the second electromagnetism overflow
Together with the oil outlet of stream valve 6.2 is linked in sequence with the oil inlet of return oil filter 2, the oil outlet of return oil filter 2 flows into
Fuel tank 3, the first suction inlet of self-sealing oil filter 1.1 and the second suction inlet of self-sealing oil filter 1.2 are connected on fuel tank 3, and fuel tank 3 uses
Closing form, the reserved hand inspection mouth in both sides, circulated filter system can ensure the cleannes of system media, enable a system to
Normally work on request.
First two-position four-way electro-hydraulic reversing valve 13.1, second two-position four-way electro-hydraulic reversing valves 13.2,3-position 4-ways change
Two spools a, b and four hydraulic fluid ports are respectively provided with to valve 14 and the 3rd two-position four-way electro-hydraulic reversing valve 16, as promotion spool a to valve
During chamber, realize the first hydraulic fluid port and the 4th hydraulic fluid port perforation, the second hydraulic fluid port and the 3rd hydraulic fluid port perforation；Opened when promoting spool b to valve chamber
When, realize the first hydraulic fluid port and the 3rd hydraulic fluid port perforation, the second hydraulic fluid port and the 4th hydraulic fluid port perforation.
The A1 hydraulic fluid ports of main shaft workpiece oil cylinder 18.1 connect the 3rd hydraulic fluid port of first two-position four-way electro-hydraulic reversing valve 13.1, main
The B1 hydraulic fluid ports of shaft-like work oil cylinder 18.1, the oil outlet of the first pressure reducing valve 15.1 and the 4th pressure gauge 8.4 are linked in sequence together；
Reset condition is in valve chamber for first 13.1 spool b of two-position four-way electro-hydraulic reversing valve, and main shaft workpiece oil cylinder 18.1, which is in, to be unclamped
State, when main shaft workpiece oil cylinder 18.1 clamps workpiece, promotes the spool a of first two-position four-way electro-hydraulic reversing valve 13.1 to be in
Fuel feeding is changed by the way that first two-position four-way is electro-hydraulic at the same time for valve chamber, low pressure and mass flow vane pump 4 and 7 double pump of high-pressure small flow plunger pumps
The first hydraulic fluid port, the 4th hydraulic fluid port to valve 13.1, enter main shaft workpiece oil cylinder 18.1, piston is fast after the first pressure reducing valve 15.1 by B1
Speed is moved to the left clamping workpiece, and load increases, make vane pump 4 can not fuel feeding, at this time only high-pressure small flow plunger pumps 7 individually to
18.1 fuel feeding of main shaft workpiece oil cylinder, realizes Workpiece clamping.
The A2 hydraulic fluid ports of tailstock workpiece oil cylinder 18.2, the oil outlet of the first pressure reducing valve 15.2 and the 5th pressure gauge 8.5 are in order
Link together, the B2 hydraulic fluid ports of tailstock workpiece oil cylinder 18.2 connect the 4th oil of second two-position four-way electro-hydraulic reversing valve 13.2
Mouthful；Reset condition is in valve chamber for second 13.2 spool b of two-position four-way electro-hydraulic reversing valve, and tailstock workpiece oil cylinder 18.2 is in pine
Open state, when tailstock workpiece oil cylinder 18.2 clamps workpiece, at the spool a of second two-position four-way electro-hydraulic reversing valve 13.2 of promotion
In valve chamber, fuel feeding is electro-hydraulic by second two-position four-way at the same time for low pressure and mass flow vane pump 4 and 7 double pump of high-pressure small flow plunger pumps
The second hydraulic fluid port, the 3rd hydraulic fluid port of reversal valve 13.2, enter tailstock workpiece oil cylinder 18.2, piston after the first pressure reducing valve 15.2 by A2
Quick move right clamps workpiece, and load increases, make vane pump 4 can not fuel feeding, only high-pressure small flow plunger pumps 7 are independent at this time
To 18.2 fuel feeding of tailstock workpiece oil cylinder, Workpiece clamping is realized.
The A3 hydraulic fluid ports of upset oil cylinder 18.3, the 4th hydraulic fluid port of the 3rd two-position four-way electro-hydraulic reversing valve 16 and throttle valve 17
Oil inlet is linked in sequence together, the 4th oil of the B3 hydraulic fluid ports connection 3-position 4-way electro-hydraulic reversing valve 14 of upset oil cylinder 18.3
Mouthful；Welding machine is in initial position, and 14 spool reset condition of 3-position 4-way electro-hydraulic reversing valve is in middle position；When 18.3 low pressure of upset oil cylinder is fast
When speed is advanced, the spool b of 3-position 4-way electro-hydraulic reversing valve 14 is promoted to be in valve chamber, low pressure and mass flow vane pump 4 and the small stream of high pressure
Measure 7 double pump of plunger pump at the same time fuel feeding, after proportioning valve 12 by the second hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve 14, the 4th hydraulic fluid port into
Enter the B3 hydraulic fluid ports of upset oil cylinder 18.3, A3 hydraulic fluid ports discharge the 4th hydraulic fluid port through the 3rd two-position four-way electro-hydraulic reversing valve 16, second
Hydraulic fluid port flows back to fuel tank；Operating position is reached, 14 spool of 3-position 4-way electro-hydraulic reversing valve returns middle position, oil cylinder stop motion；Then it is high
Work feed is pressed, the spool b of 3-position 4-way electro-hydraulic reversing valve 14 is in valve chamber, the valve of the 3rd two-position four-way electro-hydraulic reversing valve 16
Core a is in valve chamber, valve closure, and 7 independent fuel feeding of high-pressure small flow plunger pumps is after proportioning valve 12 by 3-position 4-way electro-hydraulic reversing valve
14 the second hydraulic fluid port, the 4th hydraulic fluid port enters the B3 hydraulic fluid ports of upset oil cylinder 18.3, A3 hydraulic fluid ports discharge and flow back to fuel tank through throttle valve 17；It is high
Switch to high-voltage high-speed upset, high-pressure small flow plunger pumps 7 and the electro-hydraulic commutation of 3-position 4-way when pressing work feed to displacement setting value
14 state of valve is constant, and fuel feeding enters top after proportioning valve 12 by the second hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve 14, the 4th hydraulic fluid port
Forge B3 hydraulic fluid ports, fourth hydraulic fluid port, second hydraulic fluid port of the discharge of A3 hydraulic fluid ports through the 3rd two-position four-way electro-hydraulic reversing valve 16 of oil cylinder 18.3
Fuel tank is flowed back to, completes compressing process；Low pressure fast feed and high pressure upsetting force are adjusted by proportioning valve 12 by control program, microcomputer
Closed-loop control；18.3 low pressure rapid backward of upset oil cylinder, promotes the spool a of 3-position 4-way electro-hydraulic reversing valve 14 to be in valve chamber, low
Mass flow blade pump 4 and 7 double pump of high-pressure small flow plunger pumps fuel feeding at the same time are pressed, by the electro-hydraulic commutation of 3-position 4-way after proportioning valve 12
By A3 after second hydraulic fluid port of valve 14, the second hydraulic fluid port of the 3rd hydraulic fluid port and the 3rd two-position four-way electro-hydraulic reversing valve 16, the 4th hydraulic fluid port
Fuel tank, rapid backward to initial bit are flowed back into fourth hydraulic fluid port, first hydraulic fluid port of, the B3 discharge through 3-position 4-way electro-hydraulic reversing valve 14
Put, then 14 spool of 3-position 4-way electro-hydraulic reversing valve returns middle position, and upset oil cylinder 18.3 is parked in initial position.
During hydraulic work system, 6.1 electromagnet of electromagnetic relief valve is powered, and vane pump 4 establishes pressure, electromagnetic relief valve 6.2
Electromagnet is powered, and plunger pump 7 establishes pressure, during off working state, 6.1 electromagnet of electromagnetic relief valve and the equal dead electricity of 6.2 electromagnet,
Hydraulic system off-load, electromagnetic relief valve can control motor no-load to start, also act it is energy-saving and reduce fluid hair
The effect of heat.
It is exactly the large-tonnage inertia friction welder fluid power system of the utility model above.The course of work of whole system
It is as follows：
1. manually booting vane pump 4 and plunger pump 7,6.1 electromagnet of electromagnetic relief valve and 6.2 electromagnet of electromagnetic relief valve are equal
Powered, vane pump 4 and plunger pump 7 establish pressure.
2. the clamping button of main shaft workpiece oil cylinder 18.1 is manually pressed by, first 13.1 spool of two-position four-way electro-hydraulic reversing valve
A is pushed into valve chamber, and fuel feeding, Quick holding part, clamping pressure are increased to setting for vane pump 4 at the same time for vane pump 4 and 7 double pump of plunger pump
During definite value, vane pump 4 can not be again to oil circuit fuel feeding, this is that only plunger pump 7 individually to 18.1 fuel feeding of main shaft workpiece oil cylinder, is realized
Main shaft firm workpiece clamping.
3. the clamping button of tailstock workpiece oil cylinder 18.2 is manually pressed by, second 13.2 spool of two-position four-way electro-hydraulic reversing valve
A is pushed into valve chamber, and fuel feeding, Quick holding part, clamping pressure are increased to setting for vane pump 4 at the same time for vane pump 4 and 7 double pump of plunger pump
During definite value, vane pump 4 can not be again to oil circuit fuel feeding, this is that only plunger pump 7 individually to 18.2 fuel feeding of tailstock workpiece oil cylinder, is realized
Tailstock firm workpiece clamping.
4. after completing above-mentioned steps, being manually pressed by welding button, system enters auto-programming process：Upset oil cylinder 18.3 is low
When pressure fast forwards through, the spool b of 3-position 4-way electro-hydraulic reversing valve 14 is promoted to be in valve chamber, low pressure and mass flow vane pump 4 and high pressure
Small 7 double pump of flow plunger pump while fuel feeding, by the second hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve 14, the 4th oil after proportioning valve 12
Mouth enters the B3 hydraulic fluid ports of upset oil cylinder 18.3, A3 hydraulic fluid ports discharge the 4th hydraulic fluid port through the 3rd two-position four-way electro-hydraulic reversing valve 16,
Second hydraulic fluid port flows back to fuel tank；Operating position is reached, 14 spool of 3-position 4-way electro-hydraulic reversing valve returns middle position, oil cylinder stop motion；Arrive
Start high-pressure work feeding after setting time, the spool b of 3-position 4-way electro-hydraulic reversing valve 14 is in valve chamber, the 3rd two-position four-way
The spool a of electro-hydraulic reversing valve 16 is in valve chamber, valve closure, and 7 independent fuel feeding of high-pressure small flow plunger pumps is after proportioning valve 12 by three
The second hydraulic fluid port, the 4th hydraulic fluid port of position four-way electro-hydraulic reversing valve 14 enter the B3 hydraulic fluid ports of upset oil cylinder 18.3, A3 hydraulic fluid ports discharge warp knuckle
Stream valve 17 flows back to fuel tank；High-pressure work switchs to high-voltage high-speed upset, 7 He of high-pressure small flow plunger pumps when being fed into displacement setting value
14 state of 3-position 4-way electro-hydraulic reversing valve is constant, and fuel feeding is after proportioning valve 12 by the second oil of 3-position 4-way electro-hydraulic reversing valve 14
Mouthful, the 4th hydraulic fluid port enter the B3 hydraulic fluid ports of upset oil cylinder 18.3, the discharge of A3 hydraulic fluid ports through the 3rd two-position four-way electro-hydraulic reversing valve 16
4th hydraulic fluid port, the second hydraulic fluid port flow back to fuel tank, complete compressing process；Then first 13.1 spool b of two-position four-way electro-hydraulic reversing valve
In valve chamber, fuel feeding, main shaft workpiece oil cylinder 18.1 are fast at the same time for low pressure and mass flow vane pump 4 and 7 double pump of high-pressure small flow plunger pumps
Speed unclamps workpiece；18.3 low pressure rapid backward of upset oil cylinder, promotes the spool a of 3-position 4-way electro-hydraulic reversing valve 14 to be in valve chamber,
Low pressure and mass flow vane pump 4 and 7 double pump of high-pressure small flow plunger pumps while fuel feeding, it is electro-hydraulic by 3-position 4-way after proportioning valve 12
After second hydraulic fluid port of reversal valve 14, the second hydraulic fluid port of the 3rd hydraulic fluid port and the 3rd two-position four-way electro-hydraulic reversing valve 16, the 4th hydraulic fluid port
Entered by A3, fourth hydraulic fluid port, first hydraulic fluid port of the B3 discharges through 3-position 4-way electro-hydraulic reversing valve 14 flow back to fuel tank, rapid backward is to first
Beginning position, then 14 spool of 3-position 4-way electro-hydraulic reversing valve return middle position, upset oil cylinder 18.3 is parked in initial position；Second at this time
13.2 spool b of two-position four-way electro-hydraulic reversing valve is in valve chamber, and tailstock workpiece oil cylinder 18.2 unclamps workpiece, takes out inertia friction at this time
Welding workpiece, and at this moment, large-tonnage inertia friction welder has completed a working cycle process.
More than example be intended merely to explanation the utility model, and be not used as the restriction to the utility model, as long as
In the spirit of the utility model, change, modification to embodiment described above will all fall in the utility model
In Claims scope.
Claims (4)
1. a kind of large-tonnage inertia friction welder fluid power system, it is characterized in that：Including low pressure and mass flow vane pump (4), height
Press small flow plunger pump (7), first two-position four-way electro-hydraulic reversing valve (13.1), second two-position four-way electro-hydraulic reversing valve
(13.2), 3-position 4-way electro-hydraulic reversing valve (14), the 3rd two-position four-way electro-hydraulic reversing valve (16), main shaft workpiece oil cylinder
(18.1), tailstock workpiece oil cylinder (18.2) and upset oil cylinder (18.3)；Low pressure and mass flow vane pump (4) lower end suction inlet connection
Self-sealing the first suction inlet oil filter (1.1), the upper end outlet of low pressure and mass flow vane pump (4) and the first tubular type check valve (9.1)
Positive hydraulic fluid port, the oil inlet of the first electromagnetic relief valve (6.1), first pressure gauge (8.1) be linked in sequence together；First plate
The positive hydraulic fluid port of formula check valve (10.1), the positive hydraulic fluid port of the second plate-type non-return valve (10.2), the second tubular type check valve (9.2)
The reverse hydraulic fluid port of positive hydraulic fluid port and the first tubular type check valve (9.1) is linked in sequence together；The high-pressure small flow plunger pumps
(7) lower end suction inlet connection self-sealing the second suction inlet oil filter (1.2), the upper end outlet and second of high-pressure small flow plunger pumps (7)
The positive hydraulic fluid port of tubular type check valve (9.2), the oil inlet of the second electromagnetic relief valve (6.2), second pressure gauge (8.2) connect in order
It is connected together；The lower part hydraulic fluid port of first segment discharge orifice (11.1), the lower part hydraulic fluid port of the second throttle orifice (11.2), proportioning valve (12) into
The reverse hydraulic fluid port of hydraulic fluid port, the reverse hydraulic fluid port of three-tube type check valve (9.3) and the second tubular type check valve (9.2) is linked in sequence
Together；First hydraulic fluid port of first two-position four-way electro-hydraulic reversing valve (13.1), the first plate-type non-return valve (10.1) it is reverse
Together with hydraulic fluid port is linked in sequence with the top hydraulic fluid port of first segment discharge orifice (11.1), first two-position four-way electro-hydraulic reversing valve
(13.1) oil inlet of the second hydraulic fluid port connection return oil filter 2, the 3rd of first two-position four-way electro-hydraulic reversing valve (13.1) the
The A1 hydraulic fluid ports of hydraulic fluid port connection main shaft workpiece oil cylinder 18.1, the 4th hydraulic fluid port connection of first two-position four-way electro-hydraulic reversing valve (13.1)
The oil inlet of first pressure reducing valve (15.1)；The first hydraulic fluid port connection oil return of second two-position four-way electro-hydraulic reversing valve (13.2)
The oil inlet of oil filter (2), the second hydraulic fluid port, the second plate-type non-return valve of second two-position four-way electro-hydraulic reversing valve (13.2)
(10.2) reverse hydraulic fluid port and the top hydraulic fluid port of the second throttle orifice (11.2) is linked in sequence together, second two-position four-way electricity
3rd hydraulic fluid port of liquid reversal valve (13.2) connects the oil inlet of the second pressure reducing valve (15.2), second two-position four-way electro-hydraulic reversing valve
(13.2) the B2 hydraulic fluid ports of the 4th hydraulic fluid port connection tailstock workpiece oil cylinder (18.2)；The of the 3-position 4-way electro-hydraulic reversing valve (14)
The oil inlet of one hydraulic fluid port connection return oil filter (2), the second hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve (14), proportioning valve (12)
Oil outlet and the 3rd pressure gauge (8.3) are linked in sequence together, the 3rd hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve (14), the 3rd
Together with second hydraulic fluid port of a two-position four-way electro-hydraulic reversing valve (16) is linked in sequence with the oil outlet of throttle valve (17), three four
The B3 hydraulic fluid ports of the 4th hydraulic fluid port connection upset oil cylinder (18.3) of logical electro-hydraulic reversing valve (14).
2. large-tonnage inertia friction welder fluid power system according to claim 1, it is characterized in that：Main shaft workpiece oil cylinder
(18.1) A1 hydraulic fluid ports connect the 3rd hydraulic fluid port of first two-position four-way electro-hydraulic reversing valve (13.1), main shaft workpiece oil cylinder
(18.1) B1 hydraulic fluid ports, the oil outlet of the first pressure reducing valve (15.1) and the 4th pressure gauge (8.4) is linked in sequence together.
3. large-tonnage inertia friction welder fluid power system according to claim 1, it is characterized in that：Tailstock workpiece oil cylinder
(18.2) A2 hydraulic fluid ports, the oil outlet of the second pressure reducing valve (15.2) and the 5th pressure gauge (8.5) is linked in sequence together, tailstock
The B2 hydraulic fluid ports of workpiece oil cylinder (18.2) connect the 4th hydraulic fluid port of second two-position four-way electro-hydraulic reversing valve (13.2).
4. large-tonnage inertia friction welder fluid power system according to claim 1, it is characterized in that：Upset oil cylinder
(18.3) oil inlet of A3 hydraulic fluid ports, the 4th hydraulic fluid port of the 3rd two-position four-way electro-hydraulic reversing valve (16) and throttle valve 17 is in order
Link together, the 4th hydraulic fluid port of the B3 hydraulic fluid ports connection 3-position 4-way electro-hydraulic reversing valve (14) of upset oil cylinder (18.3), the 3rd
The first hydraulic fluid port closing of two-position four-way electro-hydraulic reversing valve (16), the second hydraulic fluid port of the 3rd two-position four-way electro-hydraulic reversing valve (16),
Together with the oil inlet of throttle valve (17) is linked in sequence with the 3rd hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve (14), the 3rd two
The 3rd hydraulic fluid port closing of position four-way electro-hydraulic reversing valve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460863.6U CN207261334U (en) | 2017-04-27 | 2017-04-27 | Large-tonnage inertia friction welder fluid power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460863.6U CN207261334U (en) | 2017-04-27 | 2017-04-27 | Large-tonnage inertia friction welder fluid power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207261334U true CN207261334U (en) | 2018-04-20 |
Family
ID=61914659
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720460863.6U Active CN207261334U (en) | 2017-04-27 | 2017-04-27 | Large-tonnage inertia friction welder fluid power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207261334U (en) |
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2017
- 2017-04-27 CN CN201720460863.6U patent/CN207261334U/en active Active
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