CN206035919U - Excitation jar deviation correcting device of 2D valve accuse vibration broaching - Google Patents
Excitation jar deviation correcting device of 2D valve accuse vibration broaching Download PDFInfo
- Publication number
- CN206035919U CN206035919U CN201620866702.2U CN201620866702U CN206035919U CN 206035919 U CN206035919 U CN 206035919U CN 201620866702 U CN201620866702 U CN 201620866702U CN 206035919 U CN206035919 U CN 206035919U
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- Prior art keywords
- cylinder
- excitation
- exciting
- jar
- piston
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- 230000005284 excitation Effects 0.000 title claims abstract description 25
- 239000002828 fuel tank Substances 0.000 claims description 15
- 230000011664 signaling Effects 0.000 claims description 6
- 239000000446 fuel Substances 0.000 abstract description 6
- 230000010355 oscillation Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 3
- -1 hydraulic pump Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The utility model relates to an excitation jar deviation correcting device of 2D valve accuse vibration broaching, the device includes the excitation jar cylinder of being connected with 2D excitation valve, be equipped with excitation jar piston in the excitation jar cylinder, excitation jar hinge joint piston rod, excitation jar cylinder right side outer wall is equipped with proximity sensor, the parallelly connected oil circuit of rectifying in the excitation fuel feeding return circuit, proximity sensor connection director, the controller is connected with the oil circuit of rectifying, proximity sensor is used for detecting excitation jar piston position and sends position sigual to the controller, control the oil circuit of rectifying by the controller and accomplish the biasing of correction excitation jar piston. The utility model discloses an installing proximity sensor on excitation jar cylinder, detecting excitation jar piston rod position and can send position sigual to the controller, parallelly connected another is used for correcting the off -center oil circuit of excitation jar piston specially in excitation jar fuel feeding return circuit simultaneously, has effectively avoided in the course of the work excitation jar piston to be moved to extreme position, and the excitation jar is the oscillation generation not, problem that the vibration broaching was become invalid.
Description
Technical field
This utility model is related to a kind of exciting cylinder deviation correcting device of 2D valves control vibration broaching, and it is applied to vibrate broacher
In.
Background technology
Based on the vibration broaching method of 2D valve control electrohydraulic excitations, constitute comprising master cylinder, exciting cylinder, broaching tool etc..Master cylinder
Cylinder barrel is arranged in lathe mechanism member, and main oil cylinder piston bar is fixed on exciting cylinder end cap by nut, and exciting cylinder end cap passes through
To on exciting cylinder cylinder barrel, broaching tool is fixed on exciting cylinder piston rod mode connects for screw.In structure, master cylinder, exciting cylinder and broaching tool shape
Into a cascaded structure, the motion of the mechanism includes main oil cylinder piston bar relative to the stretching motion of master cylinder cylinder barrel, exciting cylinder
Piston rod is vibrated relative to the high-frequency reciprocating of exciting cylinder cylinder barrel, and under master cylinder and exciting cylinder synergy, broaching tool is relative
In the linear motion of workpiece.Wherein driver part based on master cylinder, and vibration cylinder is the driver part for producing dither a little.
During broaching, master cylinder shrinks, and is excited at the same time cylinder dither, completes wire pulling method of the broaching tool to workpiece.
As the mechanism has connected on driving-chain an exciting cylinder, its objective is main motion（Broach direction）Apply master
Dynamic vibration, with the purpose for reducing cutting force, reduce tool wear, improve broaching quality.Due to by broaching workpiece material,
Processing technique etc. can all affect cutting force, typically broach in hundreds of kilogram to tens ton forces.Vibration cylinder is connected on broaching
In driving-chain, in addition to producing vibration and needing to overcome load inertia power, visco-elastic resistance forces and acceleration of vibration, to also overcome normal
Cutting force.Additionally, the purpose for reaching vibrocutting, also requires that frequency of vibration is higher (in more than 150Hz）, Oscillation Amplitude compared with
It is little.For meeting above-mentioned performance requirement, 2D valve control electro-hydraulic vibration exciters are introduced, meet exciting of the vibration broaching to high frequency high thrust a little
Device performance requirement.And during normal vibration broaching, during vibration, exciting cylinder is except inertia force to be overcome（Ma）, viscous damping forces
（uv）, to also overcome cutting force, so the dimensional parameters of exciting cylinder will be calculated, and consider charge oil pressure, to meet the kinetics
Require.But during vibration broaching, if the thrust that exciting cylinder is produced is not enough to overcome cutting force, exciting cylinder piston be drawn
To extreme position, the vibration of exciting cylinder is no longer produced, vibration broaching failure.
Utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model is to provide a kind of 2D valves control vibration to draw
The exciting cylinder deviation correcting device cut and method, effectively prevent exciting cylinder piston in the course of the work and are pulled to extreme position, exciting
Cylinder does not produce vibration, the problem of vibration broaching failure.
The exciting cylinder deviation correcting device of described 2D valves control vibration broaching, including the exciting cylinder cylinder barrel being connected with 2D excitation valves,
Exciting cylinder piston, exciting cylinder piston or so two sides is provided with the exciting cylinder cylinder barrel connects left piston bar and right piston bar respectively,
Left piston bar and right piston rod end head stretch out the exciting cylinder cylinder barrel left and right sides respectively, it is characterised in that exciting cylinder cylinder barrel outer right wall
Be provided with proximity transducer, rectification oil passage in parallel in exciting oil supply loop, the proximity transducer connect controller, controller with entangle
Oil circuit connection partially, proximity transducer are used for detecting exciting cylinder piston position and sending position signalling to controller, by controller control
Rectification oil passage processed is completing to correct the biasing of exciting cylinder piston.
The exciting cylinder deviation correcting device of described 2D valves control vibration broaching, it is characterised in that rectification oil passage includes fuel tank, hydraulic pressure
Pump, oil filter, overflow valve, normally closed two position two-way valve and check valve, what fuel tank, hydraulic pump, oil filter and 2D excitation valves were located swash
The oil circuit that shakes shares oil, cavity on the left of check valve one end connection exciting cylinder cylinder barrel, normally closed two position two-way valve one end connection exciting cylinder cylinder
Cylinder right side cavity, the check valve other end are connected with the normally closed two position two-way valve other end, and fuel tank, oil filter and hydraulic pump are sequentially connected
Normally closed two position two-way valve is reconnected, overflow valve is arranged on the pipeline between hydraulic pump and normally closed two position two-way valve, overflow valve is used
In oil pressure is heightened, normally closed two position two-way valve is used for controlling the break-make of the rectification oil passage.
The exciting cylinder method for correcting error of the exciting cylinder deviation correcting device of described 2D valves control vibration broaching, it is characterised in that include as
Lower step：
1）Proximity transducer is installed in exciting cylinder cylinder barrel outer right wall in advance, and sets exciting cylinder on proximity transducer
Safe distance of the piston relative to exciting cylinder cylinder barrel right side wall；
2）During broaching beginning or vibration broaching, exciting cylinder thrust is less than cutting force, and exciting cylinder piston moves to right, when connecing
Nearly sensor detects exciting cylinder piston relative to exciting cylinder cylinder barrel（2）Right side wall distance is less than step 1）The minimum safe of setting
Apart from when, proximity transducer sends the exciting cylinder piston position signal for detecting to controller, and controller is connected to proximity transducer
Signal after send connection signal to normally closed two position two-way valve；
3）Rectification oil passage is connected after the signal of normally closed two position two-way valve reception controller, the oil pump of fuel tank is gone out Jing by hydraulic pump
Oil filter filters backward exciting cylinder right chamber fuel feeding, and exciting cylinder piston in the presence of right chamber oil pressure stops moving right, then to
Move on the left of exciting cylinder cylinder barrel, deviate extreme position；
4）Exciting cylinder piston is to the left in motor process, when proximity transducer detect exciting cylinder piston relative to cylinder barrel on the right side of
Wall distance is more than step 1）During the minimum safe distance of setting, the position signalling of the exciting cylinder piston rod for detecting is sent to into control
Device processed, sends shutdown signal to normally closed two position two-way valve while controller receives signal, and fuel tank stops to exciting cylinder right chamber supplying
Oil, rectification oil passage are closed down；
5）The electro-hydraulic vibration of 2D valve controls is normal to be run, exciting cylinder output high frequency, high thrust, low amplitude vibration.
The exciting cylinder method for correcting error of described 2D valves control vibration broaching, it is characterised in that step 1）In exciting cylinder piston after
Continuous when moving to right, exciting cylinder piston is less than minimum safe distance the position that reaches capacity, exciting relative to exciting cylinder cylinder barrel right side wall
Cylinder vibration is no longer produced, vibration broaching failure.
The exciting cylinder method for correcting error of described 2D valves control vibration broaching, it is characterised in that step 3）It is middle to supply to exciting cylinder right chamber
The oil pressure size of oil is by overflow valve regulation.
This utility model is by using above-mentioned technology, being provided with proximity transducer, exciting by exciting cylinder cylinder barrel outer right wall
Rectification oil passage in parallel in oil supply loop, proximity transducer detection exciting cylinder piston rod position simultaneously can send position letter to controller
Number, while in exciting oil supply cylinder loop, parallel connection is another to be specifically used to correct the oil circuit that exciting cylinder piston is biased, the oil circuit is included
Fuel tank, hydraulic pump, oil filter, overflow valve, normally closed two position two-way valve, check valve etc., overflow valve are used for heightening oil pressure, normally closed two
Two-port valve is used for controlling the break-make of the rectification oil passage, effectively prevent exciting cylinder piston in the course of the work and is pulled to limit position
Put, exciting cylinder does not produce vibration, the problem of vibration broaching failure.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1-2D excitation valves, 2- exciting cylinder cylinder barrels, 3- right piston bars, 4- left piston bar 5- proximity transducers, 6- are unidirectional
Valve, the normally closed two position two-way valves of 7-, 8- overflow valves, 9- hydraulic pumps, 10- oil filters, 11- fuel tanks, 12- exciting cylinder pistons.
Specific embodiment
Below in conjunction with Figure of description, the utility model will be further described, but protection domain of the present utility model is simultaneously
It is not limited only to this：
As shown in figure 1, the exciting cylinder deviation correcting device of 2D valves control of the present utility model vibration broaching, including with 2D excitation valves 1
The exciting cylinder cylinder barrel 2 of connection, is provided with exciting cylinder piston 12,12 or so two sides of exciting cylinder piston difference in the exciting cylinder cylinder barrel 2
Connection left piston bar 4 and right piston bar 3, left piston bar 4 and 3 termination of right piston bar stretch out 2 left and right sides of exciting cylinder cylinder barrel respectively,
Side on the right side of exciting cylinder cylinder barrel 2 is provided with proximity transducer 5, rectification oil passage in parallel, the close sensing in exciting oil supply loop
Device 5 connects controller, and controller is connected with rectification oil passage, and proximity transducer 5 detects exciting cylinder piston 12 relative to exciting cylinder cylinder
The position of 2 right side walls of cylinder, when the position reaches setting position, proximity transducer 5 sends position signalling to controller, by controlling
Device error correct oil circuit is completing to correct the biasing of exciting cylinder piston.
Described rectification oil passage includes fuel tank 11, hydraulic pump 9, oil filter 10, overflow valve 8, normally closed two position two-way valve 7 and list
To valve 6, fuel tank 11, hydraulic pump 9, oil filter 10 share oil, the connection of 6 one end of check valve with the exciting oil circuit that 2D excitation valves 1 are located
2 left side cavity of exciting cylinder cylinder barrel, 7 one end of normally closed two position two-way valve connect 2 right side cavity of exciting cylinder cylinder barrel, 6 other end of check valve
It is connected with 7 other end of normally closed two position two-way valve, it is normally closed two two that fuel tank 11, oil filter 10 and hydraulic pump 9 are sequentially connected reconnection
Port valve 7, overflow valve 8 are arranged on the pipeline between hydraulic pump 9 and normally closed two position two-way valve 7, and overflow valve 8 is used for heightening oil pressure,
Normally closed two position two-way valve 7 is used for controlling the break-make of the rectification oil passage.
As illustrated, the exciting cylinder method for correcting error of the exciting cylinder deviation correcting device of 2D valves control vibration broaching of the present utility model,
It is characterized in that comprising the steps：
1）Proximity transducer 5 is installed in 2 outer right wall of exciting cylinder cylinder barrel in advance, and is set on proximity transducer 5 sharp
Shake minimum safe distance of the cylinder piston 12 relative to 2 right side wall of exciting cylinder cylinder barrel, the minimum safe distance is exciting cylinder piston
12 relative to 2 right side wall minimum range of exciting cylinder cylinder barrel, and under the distance, exciting cylinder piston 12 can be returned, i.e., exciting cylinder is lived
When plug 12 continues to move to right, exciting cylinder piston 12 is less than minimum safe distance relative to 2 right side wall of exciting cylinder cylinder barrel and reaches capacity
Position, the vibration of exciting cylinder no longer produce, vibration broaching failure, 5%-15% of the safe distance for piston stroke, and it is with exciting cylinder
The factors such as piston vibration speed, load, inertia force are relevant, keeping exciting oil supply cylinder loop, rectification oil passage parameter, load, be used to
Property the parameter stability such as power on the basis of, ascending adjustment safe distance, until target of rectifying a deviation can be realized；
2）During broaching beginning or vibration broaching, exciting cylinder thrust is less than cutting force, and exciting cylinder piston moves to right, when connecing
Nearly sensor 5 detects exciting cylinder piston 12 relative to 2 right side wall of exciting cylinder cylinder barrel distance less than step 1）The minimum peace of setting
During full distance, proximity transducer 5 sends 12 position signalling of exciting cylinder piston for detecting to controller, and controller is connected to close biography
Connection signal is sent to normally closed two position two-way valve 7 after the signal of sensor 5；
3）Normally closed two position two-way valve 7 connects rectification oil passage after receiving the signal of controller, and hydraulic pump 9 is by the oil pump of fuel tank 11
Go out Jing oil filters 10 and filter backward exciting cylinder right chamber fuel feeding, the oil pressure size to exciting cylinder right chamber fuel feeding is adjusted by overflow valve 8, swash
Cylinder piston 12 shake in the presence of right chamber oil pressure, stops moving right, then move on the left of exciting cylinder cylinder barrel 2, deviate the limit
Position；
4）Exciting cylinder piston 12 is to the left in motor process, when proximity transducer 5 detects exciting cylinder piston 12 relative to cylinder
Cylinder right side wall distance is more than step 1）During the minimum safe distance of setting, by the position signalling of the exciting cylinder piston rod 12 for detecting
Controller being sent to, while controller receives signal, shutdown signal being sent to normally closed two position two-way valve 7, fuel tank 11 stops to swashing
Shake cylinder right chamber fuel feeding, and rectification oil passage is closed down；
5）The electro-hydraulic vibration of 2D valve controls is normal to be run, exciting cylinder output high frequency, high thrust, low amplitude vibration, new for this practicality
The vibration Broaching Technology of type, so-called high frequency are referred to and require that excited frequency is more than 100Hz, preferably 100-300 Hz；High thrust is
Finger requires exciting cylinder thrust more than cutting force, and general cutting force is more than 3000kgf, preferably 3000-10000kgf；Refer to a little
It is required that amplitude is less than 10mm.
Claims (2)
- The control of 1.2D valves vibration broaching exciting cylinder deviation correcting device, including with 2D excitation valves（1）The exciting cylinder cylinder barrel of connection（2）, institute State exciting cylinder cylinder barrel（2）Exciting cylinder piston is provided with inside（12）, exciting cylinder piston（12）Left and right two sides connects left piston bar respectively（4） With right piston bar（3）, left piston bar（4）With right piston bar（3）Exciting cylinder cylinder barrel is stretched out respectively in termination（2）The left and right sides, which is special It is exciting cylinder cylinder barrel to levy（2）Outer right wall is provided with proximity transducer（5）, in exciting oil supply loop, rectification oil passage in parallel, described Proximity transducer（5）Connection controller, controller are connected with rectification oil passage, proximity transducer（5）For detecting exciting cylinder piston Position simultaneously sends position signalling to controller, is completed to correct the biasing of exciting cylinder piston by controller error correct oil circuit.
- 2. the exciting cylinder deviation correcting device that 2D valves control vibration according to claim 1 is broached, it is characterised in that rectification oil passage bag Include fuel tank（11）, hydraulic pump（9）, oil filter（10）, overflow valve（8）, normally closed two position two-way valve（7）And check valve（6）, fuel tank （11）, hydraulic pump（9）, oil filter（10）With 2D excitation valves（1）The exciting oil circuit at place shares oil, check valve（6）One end connects Exciting cylinder cylinder barrel（2）Left side cavity, normally closed two position two-way valve（7）One end connects exciting cylinder cylinder barrel（2）Right side cavity, check valve （6）The other end and normally closed two position two-way valve（7）The other end connects, fuel tank（11）, oil filter（10）And hydraulic pump（9）It is sequentially connected Reconnect normally closed two position two-way valve（7）, overflow valve（8）It is arranged on hydraulic pump（9）With normally closed two position two-way valve（7）Between pipeline On, overflow valve（8）For heightening oil pressure, normally closed two position two-way valve（7）For controlling the break-make of the rectification oil passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620866702.2U CN206035919U (en) | 2016-08-11 | 2016-08-11 | Excitation jar deviation correcting device of 2D valve accuse vibration broaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620866702.2U CN206035919U (en) | 2016-08-11 | 2016-08-11 | Excitation jar deviation correcting device of 2D valve accuse vibration broaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206035919U true CN206035919U (en) | 2017-03-22 |
Family
ID=58308764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620866702.2U Expired - Fee Related CN206035919U (en) | 2016-08-11 | 2016-08-11 | Excitation jar deviation correcting device of 2D valve accuse vibration broaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206035919U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762872A (en) * | 2016-08-11 | 2017-05-31 | 浙江工业大学 | The exciting cylinder deviation correcting device and method of 2D valves control vibration broaching |
| CN110153493A (en) * | 2019-04-22 | 2019-08-23 | 杭州电子科技大学 | Surface broaching active vibration suppression fixture and its vibration suppression method based on electrohydraulic servo vibration exciting |
-
2016
- 2016-08-11 CN CN201620866702.2U patent/CN206035919U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762872A (en) * | 2016-08-11 | 2017-05-31 | 浙江工业大学 | The exciting cylinder deviation correcting device and method of 2D valves control vibration broaching |
| CN106762872B (en) * | 2016-08-11 | 2019-03-05 | 浙江工业大学 | The exciting cylinder deviation correcting device and method of 2D valve control vibration broaching |
| CN110153493A (en) * | 2019-04-22 | 2019-08-23 | 杭州电子科技大学 | Surface broaching active vibration suppression fixture and its vibration suppression method based on electrohydraulic servo vibration exciting |
| CN110153493B (en) * | 2019-04-22 | 2020-06-16 | 杭州电子科技大学 | Plane broaching active vibration suppression clamp based on electro-hydraulic servo excitation and vibration suppression method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20190811 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |