CN104891403B - Suspension shock absorber shock absorption liquid vacuum filling system and suspension shock absorber shock absorption liquid vacuum filling method - Google Patents
Suspension shock absorber shock absorption liquid vacuum filling system and suspension shock absorber shock absorption liquid vacuum filling method Download PDFInfo
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- CN104891403B CN104891403B CN201510179029.5A CN201510179029A CN104891403B CN 104891403 B CN104891403 B CN 104891403B CN 201510179029 A CN201510179029 A CN 201510179029A CN 104891403 B CN104891403 B CN 104891403B
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- gas
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- switching valve
- liquid switching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/06—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus using counterpressure, i.e. filling while the container is under pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/22—Details
- B67C3/28—Flow-control devices, e.g. using valves
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- Fluid-Damping Devices (AREA)
Abstract
The present invention discloses a suspension shock absorber shock absorption liquid vacuum filling system, which comprises two gas-liquid switching valves connected in series, wherein the communication port T of the first gas-liquid switching valve is connected with a shock absorber to be filled, the liquid filling port B of the first gas-liquid switching valve is connected with a liquid storage tank, the vacuum port A of the first gas-liquid switching valve is connected with the communication port T of the second gas-liquid switching valve, the liquid filling port B of the second gas-liquid switching valve is connected with a gas-liquid separation tank through a first negative pressure communication pipeline, the vacuum port A of the second gas-liquid switching valve is connected with a vacuum generator, the vacuum generator is arranged in a raffinate recovery tank, the gas-liquid separation tank is connected with a vacuum tank through a second negative pressure communication pipeline, and the vacuum tank is connected with a vacuum pump through a pipeline. With the system and the method of the present invention, the automated filling of the shock absorber can be achieved, and the filling efficiency can be improved. The present invention further discloses a suspension shock absorber shock absorption liquid vacuum filling method.
Description
Technical field
The present invention relates to a kind of filling apparatus are and in particular to a kind of damping fluid vacuum filling system of suspension damper.This
Invention further relates to a kind of damping fluid vacuum filling method of suspension damper.
Background technology
Automobile engine suspension damper is as an important spare part of automobile suspension system, comfortable for vehicle
Property, maneuverability, stability and safety all have very important effect.If only had elastic component in automobile suspension system
There is no amortisseur, the vibration of body of a motor car will extend for a long time, lead to ride of vehicle and control stability to be disliked
Change.And amortisseur setting in suspension systems, the shock loading to correlated parts can be reduced, reduce abrasion, improve and use
Economy, improves tire ground connection property, what suppression was run at high speed beats, and improves driving safety；Especially in vehicle urgency acceleration, suddenly
During brake, zig zag, it is possible to increase the stability of operation.Another important function of suspension damper is to suppress
The amplitude of resonant frequency vehicle body forced vibration nearby, improves riding comfort.Therefore, automobile engine suspension damper is more next
Use on the automobile of more how various models.
At present, in suspension damper the fill of damping fluid general by the way of artificial wet type fill, concrete grammar is: work
People puts into amortisseur equipped with the container of damping fluid, is fixed amortisseur by the fixture being immersed in damping fluid, then
Riveting is carried out by hydraulic means, the amortisseur that riveting is crossed is put into and is carried out and puts into oven in clear water and dried.
There is following shortcoming in this artificial wet type fill:
1st, can only fill die cavity more rule or wide-mouth amortisseur；
2nd, waste the damping fluid of fill, production cost is high；
3rd, workman's directly contact damping fluid in pouring process, can cause the injury to human body；
4th, in pouring process, amortisseur is directly immersed in dress in damping fluid, and the shell of product inevitably causes liquid
Residual, impact is attractive in appearance；
5th, it is easy to produce impurity, this impurity is once filled in amortisseur die cavity damping fluid Reusability, it will impact
The performance of amortisseur.
Content of the invention
The technical problem to be solved is the damping fluid vacuum filling system providing a kind of suspension damper, and it can
To realize suspension damper is carried out with the auto-filling of damping fluid.
For solving above-mentioned technical problem, the technical solution of the damping fluid vacuum filling system of suspension damper of the present invention
For:
Including the two gas-liquid switching valves 2,3 being serially connected；Connected entrance (t) 2-5 of the first gas-liquid switching valve 2 connects and waits to fill
Dress amortisseur 1；Liquid feeding mouth (b) 2-3 of the first gas-liquid switching valve 2 connects fluid reservoir 4；The vacuum port (a) of the first gas-liquid switching valve 2
2-4 connects the connected entrance (t) of the second gas-liquid switching valve 3；Liquid feeding mouth (b) 2-3 of the second gas-liquid switching valve 3 passes through the first negative pressure even
Stylet connects knockout drum 14；Vacuum port (a) 2-4 of the second gas-liquid switching valve 3 connects vacuum generator 10, and vacuum occurs
Device 10 is arranged in extraction raffinate recycling can 12；Knockout drum 14 passes through the second negative pressure connecting pipeline and connects vacuum tank 8；Vacuum tank 8
Vacuum pump 7 is connected by pipeline.
Described gas-liquid switching valve 2,3 includes valve body 2-10, and one end of valve body 2-10 offers described liquid feeding mouth (b) 2-3, true
Eat dishes without rice or wine (a) 2-4, and the other end of valve body 2-10 offers described connected entrance (t) 2-5；It is provided with vacuum valve element 2-6 in valve body 2-10
With tank liquid valve element 2-7, vacuum valve element 2-6 connection the first cylinder 2-1, tank liquid valve element 2-7 connect the second cylinder 2-2；Work as vacuum valve
When core 2-6 opens, the first cylinder 2-1 connects, and liquid feeding mouth (b) 2-3 and connected entrance (t) 2-5 is turned on, i.e. the b- of gas-liquid switching valve
T path turns on；When tank liquid valve element 2-7 opens, the second cylinder 2-2 connects, and vacuum port (a) 2-4 is led with connected entrance (t) 2-5
Logical, i.e. the a-t path conducting of gas-liquid switching valve.
Described fluid reservoir 4 is provided with liquid level sensor 5.
The bottom of described knockout drum 14 connects knockout drum tapping valve 11.
Described knockout drum 14 is provided with liquid level sensor 9.
The bottom of described extraction raffinate recycling can 12 connects recycling can tapping valve 13.
Described vacuum generator 10 is provided with vacuum breaker 15.
Described vacuum tank 8 is provided with negative-pressure detector 6.
The present invention also provides a kind of damping fluid vacuum filling method of suspension damper, and its technical solution is, including
Following steps:
The first step, opens vacuum pump 7, and vacuum pump 7 carries out vacuum drawn to vacuum tank 8；
Second step, after the negative pressure value in vacuum tank 8 reaches setting value, makes the first cylinder 2-1 of the second gas-liquid switching valve 3
Connect, the b-t path conducting of the second gas-liquid switching valve 3；The the second cylinder 2-2 simultaneously making the first gas-liquid switching valve 2 connects, and first
The a-t path conducting of gas-liquid switching valve 2；
Then the negative pressure in vacuum tank 8 is connected with knockout drum 14 through the second negative pressure connecting pipeline, in knockout drum 14
Negative pressure successively the a-t through the first negative pressure connecting pipeline, the b-t path of the second gas-liquid switching valve 3, the first gas-liquid switching valve 2 lead to
Road is connected with amortisseur 1 to be filled, realizes the vacuum drawn to amortisseur 1 to be filled；
Described setting value is more than -0.096mpa.
3rd step, after the completion of the vacuum drawn to amortisseur 1 to be filled, closes the second cylinder of the first gas-liquid switching valve 2
2-2, connects the first cylinder 2-1 of the first gas-liquid switching valve 2, so that the b-t path of the first gas-liquid switching valve 2 is turned on；
Then the b-t path through the first gas-liquid switching valve 2 for the amortisseur 1 to be filled is connected with fluid reservoir 4；
Due in amortisseur 1 to be filled, there is negative pressure, the damping fluid in fluid reservoir 4 is filled under this suction function and treats
In fill amortisseur 1, realize the fill of damping fluid；
4th step, repeats second step to the 3rd step once, carries out vacuum drawn to amortisseur 1 again and carries out fill；
5th step, if the liquid level in amortisseur 1 exceedes setting value, makes the second cylinder 2-2 of the first gas-liquid switching valve 2 connect
Logical, the a-t path conducting of the first gas-liquid switching valve 2；The the second cylinder 2-2 simultaneously making the second gas-liquid switching valve 3 connects, the second gas
The a-t path conducting of liquid switching valve 3；And open vacuum generator 10；
The then a-t path through the second gas-liquid switching valve 3, the first gas-liquid switching successively of negative pressure produced by vacuum generator 10
The a-t path of valve 2 is connected with amortisseur 1, unnecessary damping fluid in amortisseur 1 is derived, and is recovered in extraction raffinate recycling can 12.
What the present invention can reach has the technical effect that
The vacuum filling method of the present invention, the air that can fully drain in amortisseur die cavity, it is to avoid produce bubble.
The present invention can accurately hold pouring amount, thus ensureing quality and the damping performance of amortisseur.
The present invention is capable of the automatization of fill amortisseur, improves fill efficiency.
Brief description
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description:
Fig. 1 is the schematic diagram of the damping fluid vacuum filling system of suspension damper of the present invention；
Fig. 2 is the schematic diagram of the gas-liquid switching valve of the present invention.
In figure description of reference numerals:
1 is amortisseur to be filled, and 2 is the first gas-liquid switching valve,
2-1 is the first cylinder, and 2-2 is the second cylinder,
2-3 is liquid feeding mouth b, and 2-4 is vacuum port a,
2-5 is connected entrance t, and 2-6 is vacuum valve element,
2-7 is tank liquid valve element, and 2-10 is valve body,
3 is the second gas-liquid switching valve, and 4 is fluid reservoir,
5 is liquid level sensor, and 6 is negative-pressure detector,
7 is vacuum pump, and 8 is vacuum tank,
9 is liquid level sensor, and 10 is vacuum generator,
11 is knockout drum tapping valve, and 12 is extraction raffinate recycling can,
13 is recycling can tapping valve, and 14 is knockout drum,
15 is vacuum breaker.
Specific embodiment
As shown in figure 1, the damping fluid vacuum filling system of suspension damper of the present invention, including two gas-liquids being serially connected
Switching valve 2,3；
As shown in Fig. 2 gas-liquid switching valve 2,3 includes valve body 2-10, one end of valve body 2-10 offer liquid feeding mouth (b) 2-3,
The other end of vacuum port (a) 2-4, valve body 2-10 offers connected entrance (t) 2-5；Be provided with valve body 2-10 vacuum valve element 2-6 and
Tank liquid valve element 2-7, vacuum valve element 2-6 connect the first cylinder 2-1, and tank liquid valve element 2-7 connects the second cylinder 2-2；
When vacuum valve element 2-6 opens, the first cylinder 2-1 connects, and liquid feeding mouth (b) 2-3 and connected entrance (t) 2-5 is turned on,
The i.e. b-t path conducting of gas-liquid switching valve；
When tank liquid valve element 2-7 opens, the second cylinder 2-2 connects, and vacuum port (a) 2-4 and connected entrance (t) 2-5 is turned on,
The i.e. a-t path conducting of gas-liquid switching valve；
Connected entrance (t) 2-5 of the first gas-liquid switching valve 2 connects amortisseur 1 to be filled；
Liquid feeding mouth (b) 2-3 of the first gas-liquid switching valve 2 connects fluid reservoir 4, and fluid reservoir 4 is provided with liquid level sensor 5；
Vacuum port (a) 2-4 of the first gas-liquid switching valve 2 connects the connected entrance (t) of the second gas-liquid switching valve 3；
Liquid feeding mouth (b) 2-3 of the second gas-liquid switching valve 3 passes through the first negative pressure connecting pipeline and connects knockout drum 14；Gas
The bottom of liquid knockout drum 14 connects knockout drum tapping valve 11；Knockout drum 14 is provided with liquid level sensor 9；
Vacuum port (a) 2-4 of the second gas-liquid switching valve 3 connects vacuum generator 10, and vacuum generator 10 is arranged at extraction raffinate
In recycling can 12；The bottom of extraction raffinate recycling can 12 connects recycling can tapping valve 13；Vacuum generator 10 is provided with vacuum breaker
15；
Knockout drum 14 passes through the second negative pressure connecting pipeline and connects vacuum tank 8；
Vacuum tank 8 connects vacuum pump 7 by pipeline, and vacuum pump 7 is used for controlling the negative pressure value in vacuum tank 8；Vacuum tank 8 sets
It is equipped with negative-pressure detector 6, negative-pressure detector 6 is used for the negative pressure value in vacuum tank 8 is detected.
The damping fluid vacuum filling method of suspension damper of the present invention, comprises the following steps:
The first step, opens vacuum pump 7, and vacuum pump 7 carries out vacuum drawn to vacuum tank 8；
Second step, after the negative pressure value in vacuum tank 8 reaches more than -0.096mpa, makes the first of the second gas-liquid switching valve 3
Cylinder 2-1 connects (the second cylinder 2-2 is closed), the b-t path conducting of the second gas-liquid switching valve 3；Make first simultaneously
Second cylinder 2-2 of gas-liquid switching valve 2 connects, the a-t path conducting of the first gas-liquid switching valve 2；
Then the negative pressure in vacuum tank 8 is connected with knockout drum 14 through the second negative pressure connecting pipeline, in knockout drum 14
Negative pressure successively the a-t through the first negative pressure connecting pipeline, the b-t path of the second gas-liquid switching valve 3, the first gas-liquid switching valve 2 lead to
Road is connected with amortisseur 1 to be filled, realizes the vacuum drawn to amortisseur 1 to be filled；
3rd step, after the completion of the vacuum drawn to amortisseur 1 to be filled, closes the second cylinder of the first gas-liquid switching valve 2
2-2, connects the first cylinder 2-1 of the first gas-liquid switching valve 2, so that the b-t path of the first gas-liquid switching valve 2 is turned on；
Then the b-t path through the first gas-liquid switching valve 2 for the amortisseur 1 to be filled is connected with fluid reservoir 4；
Due in amortisseur 1 to be filled, there is negative pressure, the damping fluid in fluid reservoir 4 is filled under this suction function and treats
In fill amortisseur 1, realize the fill of damping fluid；
4th step, repeats second step to the 3rd step, carries out vacuum drawn to amortisseur 1 again and carry out fill, until subtracting
The liquid level of shake device 1 reaches setting value it is believed that amortisseur 1 is filled completely；
The the first cylinder 2-1 making the second gas-liquid switching valve 3 again connects, and the b-t path of the second gas-liquid switching valve 3 is led
Logical；The the second cylinder 2-2 simultaneously making the first gas-liquid switching valve 2 connects, the a-t path conducting of the first gas-liquid switching valve 2, and it is right to realize
Second vacuum drawn of amortisseur 1 to be filled；Close the second cylinder 2-2 of the first gas-liquid switching valve 2 afterwards, connect the first gas
First cylinder 2-1 of liquid switching valve 2, makes the b-t path of the first gas-liquid switching valve 2 turn on, the damping fluid in fluid reservoir 4 is filled
To in amortisseur 1 to be filled；
5th step, when the liquid level in amortisseur 1 exceedes setting value, makes the second cylinder 2-2 of the first gas-liquid switching valve 2 connect
Logical, the a-t path conducting of the first gas-liquid switching valve 2；The the second cylinder 2-2 simultaneously making the second gas-liquid switching valve 3 connects, the second gas
The a-t path conducting of liquid switching valve 3；And open vacuum generator 10, vacuum generator 10 institute is adjusted by vacuum breaker 15
The negative pressure value producing；
The then a-t path through the second gas-liquid switching valve 3, the first gas-liquid switching successively of negative pressure produced by vacuum generator 10
The a-t path of valve 2 is connected with amortisseur 1, unnecessary damping fluid in amortisseur 1 is derived, and is recovered in extraction raffinate recycling can 12.
Damping fluid unnecessary in amortisseur 1 can be derived by the present invention, thus avoid fluid pressure in amortisseur 1 too high and
The phenomenon of the damage amortisseur 1 leading to.
The present invention can be used for the amortisseur that fill die cavity is more complicated, liquid feeding mouth diameter is little.
Claims (10)
1. a kind of suspension damper damping fluid vacuum filling system it is characterised in that: include two gas-liquids being serially connected and cut
Change valve；
The connected entrance t of the first gas-liquid switching valve connects amortisseur to be filled；The liquid feeding mouth b of the first gas-liquid switching valve connects liquid storage
Tank；The vacuum port a of the first gas-liquid switching valve connects the connected entrance t of the second gas-liquid switching valve；
The liquid feeding mouth b of the second gas-liquid switching valve passes through the first negative pressure connecting pipeline and connects knockout drum；Second gas-liquid switching valve
Vacuum port a connect vacuum generator, vacuum generator is arranged in extraction raffinate recycling can；
Knockout drum passes through the second negative pressure connecting pipeline and connects vacuum tank；
Vacuum tank connects vacuum pump by pipeline.
2. suspension damper according to claim 1 damping fluid vacuum filling system it is characterised in that: described gas-liquid is cut
Change valve and include valve body, one end of valve body offers described liquid feeding mouth b, vacuum port a, and the other end of valve body offers described connected entrance
t；It is provided with vacuum valve element and tank liquid valve element, vacuum valve element connects the first cylinder, tank liquid valve element connects the second cylinder in valve body；
When vacuum valve element is opened, the first cylinder activation, liquid feeding mouth b and connected entrance t is turned on, that is, the b-t of gas-liquid switching valve leads to
Road turns on；
When tank liquid valve element is opened, the second cylinder activation, vacuum port a and connected entrance t is turned on, that is, the a-t of gas-liquid switching valve leads to
Road turns on.
3. suspension damper according to claim 1 damping fluid vacuum filling system it is characterised in that: described fluid reservoir
It is provided with liquid level sensor.
4. suspension damper according to claim 1 damping fluid vacuum filling system it is characterised in that: described gas-liquid is divided
Connect knockout drum tapping valve from the bottom of tank.
5. suspension damper according to claim 1 damping fluid vacuum filling system it is characterised in that: described gas-liquid is divided
Tank is provided with liquid level sensor.
6. suspension damper according to claim 1 damping fluid vacuum filling system it is characterised in that: described extraction raffinate is returned
The bottom of closed cans connects recycling can tapping valve.
7. suspension damper according to claim 1 damping fluid vacuum filling system it is characterised in that: described vacuum is sent out
Raw device is provided with vacuum breaker.
8. suspension damper according to claim 1 damping fluid vacuum filling system it is characterised in that: described vacuum tank
It is provided with negative-pressure detector.
9. a kind of damping fluid vacuum filling method of suspension damper is it is characterised in that subtracted using the suspension described in claim 1
The damping fluid vacuum filling system of shake device；Comprise the following steps:
The first step, opens vacuum pump, and vacuum pump carries out vacuum drawn to vacuum tank；
Second step, after the negative pressure value in vacuum tank reaches setting value, makes the first cylinder activation of the second gas-liquid switching valve, and second
The b-t path conducting of gas-liquid switching valve；Make the second cylinder activation of the first gas-liquid switching valve, the a- of the first gas-liquid switching valve simultaneously
T path turns on；
Then the negative pressure in vacuum tank is connected with knockout drum through the second negative pressure connecting pipeline, and the negative pressure in knockout drum is successively
A-t path through the first negative pressure connecting pipeline, the b-t path of the second gas-liquid switching valve, the first gas-liquid switching valve is subtracted with to be filled
Shake device connection, realizes the vacuum drawn to amortisseur to be filled；
3rd step, after the completion of the vacuum drawn to amortisseur to be filled, closes the second cylinder of the first gas-liquid switching valve, connects the
First cylinder of one gas-liquid switching valve, makes the b-t path of the first gas-liquid switching valve turn on；
Then the b-t path through the first gas-liquid switching valve for the amortisseur to be filled is connected with fluid reservoir；
Due in amortisseur to be filled, there is negative pressure, the damping fluid in fluid reservoir is filled to be filled subtracting under this suction function
In shake device, realize the fill of damping fluid；
4th step, repeats second step to the 3rd step once, again amortisseur is carried out with vacuum drawn and carries out fill；
5th step, if the liquid level in amortisseur exceedes setting value, makes the second cylinder activation of the first gas-liquid switching valve, the first gas
The a-t path conducting of liquid switching valve；Make the second cylinder activation of the second gas-liquid switching valve, the a-t of the second gas-liquid switching valve simultaneously
Path turns on；And open vacuum generator；
The then a-t path through the second gas-liquid switching valve, the a-t of the first gas-liquid switching valve successively of negative pressure produced by vacuum generator
Path is connected with amortisseur, unnecessary damping fluid in amortisseur is derived, and is recovered in extraction raffinate recycling can.
10. suspension damper according to claim 9 damping fluid vacuum filling method it is characterised in that: described second
Setting value in step is more than -0.096mpa.
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| CN201510179029.5A CN104891403B (en) | 2015-04-16 | 2015-04-16 | Suspension shock absorber shock absorption liquid vacuum filling system and suspension shock absorber shock absorption liquid vacuum filling method |
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| CN107265384B (en) * | 2017-06-16 | 2022-12-20 | 宁波天誉机械设备有限公司 | Filling device and working method thereof |
| CN109607461B (en) * | 2018-04-09 | 2020-10-23 | 宁波雷奥自动化设备有限公司 | Automatic irritate integrative first mechanism of riveting |
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| CN201020927Y (en) * | 2007-03-22 | 2008-02-13 | 武云深 | Vacuum quantitative ink injector |
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