CN103787254A - Double-valve-rod vacuumizing liquid injection device - Google Patents
Double-valve-rod vacuumizing liquid injection device Download PDFInfo
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- CN103787254A CN103787254A CN201410056713.XA CN201410056713A CN103787254A CN 103787254 A CN103787254 A CN 103787254A CN 201410056713 A CN201410056713 A CN 201410056713A CN 103787254 A CN103787254 A CN 103787254A
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Abstract
The invention discloses a double-valve-rod vaccumizing liquid injection device which comprises a cavity with a hopper-shaped inner cavity, a first valve rod and a second valve rod, wherein a first nozzle communicated with a liquid injection workpiece to be vacuumized is formed at the bottom of the cavity, and an opening for vaccumizing is formed at the top of the cavity. The double-valve-rod vaccumizing liquid injection device is characterized in that the first valve rod is hollow and is in penetration installation on the top wall of the cavity in a vertically sliding and sealing manner, and a second nozzle which is communicated with the first nozzle in a sealing manner after descending is formed at the bottom end of the cavity; the second valve rod is in penetration installation in the hollow part of the first valve rod in a vertically sliding and interval manner, and an end part capable of blocking the second nozzle after descending is formed at the bottom end of the second nozzle. According to the double-valve-rod vaccumizing liquid injection device adopting the design, one time of vaccumizing direction liquid injection or multiple times of vaccumizing liquid injection is realized through movement sequence control according to liquid injection conditions and requirements.
Description
Technical field
The present invention relates to vacuum liquid filling technical field, refer in particular to the device in order to workpiece is carried out to vacuum pumping liquid injection.
Background technology
Common vacuum liquid filling system, is that the inside workpiece to needing fluid injection adopts the mode vacuumizing by after air extraction, abdicates inner space liquid is noted into inside workpiece.
The quality of fluid injection quality depend on inside workpiece density (internal solids weighting material accounts for the filling rate of inner space), need amount and the physical property of filling liquid, the general method adopting has two kinds:
One is by switching-valve arrangement, after once workpiece being vacuumized, directly with metered dose infusion pump, whole liquid is injected in workpiece.This mode needs the control change-over valve of more accurate and labyrinth to realize, and is applicable to internal density little, the situation of a vacuum pumping liquid injection of energy.
Another kind is the filling head that adopts the cavity with infundibulate inner chamber, and cavity top is provided with the lid that can open and close sealing, and cavity bottom is provided with a valve and chews, and controls with the connected sum of workpiece and closes.Workpiece is vacuumized or do not vacuumized before fluid injection, liquid is entered in the cavity of filling head by quantitative liquid-filling infusion, after opening valve and chewing, if workpiece is evacuated, partially liq will be sucked in workpiece; If workpiece does not also vacuumize, most of liquid also rests in the cavity of filling head.Filling head is carried out once or repeated multiple times alternately vacuumizing and logical atmosphere (or pressed gas), the air in workpiece is extracted out, allow in draws fluid workpiece.This mode can only be carried out repeatedly vacuum pumping liquid injection, need to open and close the lid of filling head container top, liquid is noted in filling head container, and then closed and vacuumize, and needs more machine action to realize.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of vacuum electrolyte filling device of convenient operation.
For solving the problems of the technologies described above adopted technical scheme: a kind of double stub shaft evacuation priming device, include cavity, the first valve rod and second valve rod with infundibulate inner chamber, the bottom of cavity is formed with in order to connect treats that first of vacuum pumping liquid injection workpiece chews, the interface that the top of cavity is formed with to vacuumize, it is characterized in that: described the first valve rod is set as hollow, it slides up and down to and is installed on hermetically the roof of cavity, and its bottom form decline after second chewing of chewing of salable connection first; Described the second valve rod slides up and down to and is installed on gap in the hollow of the first valve rod, and its bottom forms the end of can shutoff second chewing after declining.
On the basis of the above, the top of described cavity is provided with the first cylinder that drives the first valve rod to slide up and down, and the first valve rod extends the top of the first cylinder as the piston rod of the first cylinder.
On the basis of the above, the top of described the first cylinder is provided with the second cylinder that drives the second valve rod to slide up and down, and the diapire of the second cylinder is formed with the spout in order to fluid injection that is communicated with the space between the first valve rod and the second valve rod.
On the basis of the above, the bottom of described the first cylinder is provided with air intake, is provided with to keep the spring of its piston down sliding trend in its cylinder body.
The beneficial effect that adopts the present invention to bring:
Adopt the double stub shaft evacuation priming device of this design, can, according to fluid injection condition and requirement, by the control of sequence of operation, realize and once vacuumize direct fluid injection, or carry out repeatedly vacuum pumping liquid injection.
Once vacuumize for realizing, effect can be better, chews because adopt valve rod to carry out switch fluid injection, and sealing property is better, is conducive to lifting and the preservation of degree of vacuum.The passage that fluid injection is chewed is shorter, more easily guarantees to realize the effect that once vacuumizes direct fluid injection.These advantages are that traditional evacuation priming device is unexistent.
For realizing secondary vacuum pumping, after vacuumizing for the first time, liquid is directly to note in workpiece by liquid charge pump, and reservoir quantity is larger first, is conducive to secondary and completing of vacuum pumping liquid injection repeatedly, should be able to shorten the time of fluid injection.Whole fluid injection process, flow of liquid is in flow channel for liquids and filling head cavity, outside can not being exposed to, is particularly conducive to the highly volatile liquid of note.
The switch valve being made up of double stub shaft, can realize and adopt a liquid charge pump to join many cover evacuation priming devices.By the sequence of operation control of machine, be controlled at the fluid passage that whenever can only open a priming device, respectively liquid is carried out to fluid injection by multiple priming devices to multiple workpiece.
Accompanying drawing explanation
Fig. 1 is the structural representation of double stub shaft evacuation priming device of the present invention.
The specific embodiment
As shown in Figure 1, a kind of double stub shaft evacuation priming device, includes cavity 1, the first valve rod 2 and second valve rod 3 with infundibulate inner chamber.The bottom of cavity 1 is formed with in order to connect treats that first of vacuum pumping liquid injection workpiece 4 chews 5, the interface 6 that the top of cavity is formed with to vacuumize.Described the first valve rod 2 is set as hollow, and it slides up and down to and be installed on hermetically the roof 1.1 of cavity 1, and its bottom form decline after salable connection first chew 5 second chew 7.Concrete, the sealing between the first valve rod 2 and roof 1.1 can adopt seal ring sealing, and the first valve rod 2 is installed on roof 1.1, make the first valve rod 2 connect cavity 1 inside and outside, after the first valve rod 2 declines, it second is chewed 7 and first and chews 5 sealings connections, first chew 5 and cavity 1 inner chamber keep apart.Described the second valve rod 3 slides up and down to and is installed on gap in the hollow of the first valve rod 2, and can shutoff second after its bottom forms and declines chew 7 end, space between the second valve rod 3 and the first valve rod 2 forms the passage of flow of liquid, after the second valve rod 3 declines, its end can shutoff second chew 7, to stop liquid to chew 7 outflows from second.
While vacuumizing, the first valve rod 2 rises, the second valve rod 3 declines simultaneously, the second valve rod 3 is chewed 7 shutoff second, and removes second and chew 7 pairs first and chew 5 sealing and connect, and makes first to chew 5 and be communicated with the inner chamber of cavity 1, now first chew 5 and connect with the spout of workpiece 4, then connect evacuator by interface 6, start evacuator, workpiece 4 is vacuumized.
Complete after the vacuumizing of workpiece 4, the first valve rod 2 declines, remove the second valve rod 3 and chew 7 shutoff to second, make second to chew 7 pairs first and chew 5 and seal connection, so just liquid can be injected to the space between the second valve rod 3 and the first valve rod 2, liquid can be along interstitial channels 8, flow through successively and second chew 7 and first and chew 5, finally inject workpiece 4.If need the amount of liquid of note can once inject workpiece, complete fluid injection, the second valve rod 3 decline shutoff second chew 7, close fluid injection.If the amount of liquid of needs note once can not be injected in workpiece, can be in workpiece 4 fluid injection processes, reach when can not noting into again, promote the first valve rod 2, remove second and chew 7 pairs first and chew 5 sealing and connect, make second to chew 7 and be communicated with the inner chamber of cavity 1, pump continues fluid injection, remaining liquid is injected in cavity 1 like this, and second valve rod 3 shutoff second that then decline chew 7, close fluid injection.At this moment workpiece 4 is communicated with cavity 1 inner chamber, then hockets and repeatedly vacuumizes and logical atmosphere, until liquid is all injected in workpiece 4.
In order to realize, the lifting of the first valve rod 2 and the second valve rod 3 is carried out to electrical control, the top that the top of described cavity 1 is provided with to drive the first cylinder 9, the first valve rods 2 that the first valve rod 2 slides up and down to extend the first cylinder 9 as the piston rod of the first cylinder 9.On the basis of the above, the top of described the first cylinder 9 is provided with to drive the diapire of the second cylinder 10, the second cylinders 10 that the second valve rod 3 slides up and down to be formed with the spout 11 in order to fluid injection that is communicated with the space between the first valve rod 2 and the second valve rod 3.Spout 11 is in order to connect the measuring pump of fluid injection.
The first cylinder 9 and the second cylinder 10 can adopt conventional both-end Gas feeding cylinder, in addition, the first cylinder 9 wherein also can adopt single-ended Gas feeding cylinder, particularly, the bottom of the first cylinder 9 is provided with air intake 9.1, is provided with to keep the spring 9.3 of its piston 9.2 down sliding trend in its cylinder body.During toward air intake 9.1 logical pressure air, can drive the first valve rod 2 to rise, stop after ventilation, under the effect of spring 9.3, drive the first valve rod 2 to decline.
Claims (4)
1. a double stub shaft evacuation priming device, include cavity, the first valve rod and second valve rod with infundibulate inner chamber, the bottom of cavity is formed with in order to connect treats that first of vacuum pumping liquid injection workpiece chews, the interface that the top of cavity is formed with to vacuumize, it is characterized in that: described the first valve rod is set as hollow, it slides up and down to and is installed on hermetically the roof of cavity, and its bottom form decline after second chewing of chewing of salable connection first; Described the second valve rod slides up and down to and is installed on gap in the hollow of the first valve rod, and its bottom forms the end of can shutoff second chewing after declining.
2. double stub shaft evacuation priming device according to claim 1, is characterized in that: the top of described cavity is provided with the first cylinder that drives the first valve rod to slide up and down, and the first valve rod extends the top of the first cylinder as the piston rod of the first cylinder.
3. double stub shaft evacuation priming device according to claim 2, it is characterized in that: the top of described the first cylinder is provided with the second cylinder that drives the second valve rod to slide up and down, the diapire of the second cylinder is formed with the spout in order to fluid injection that is communicated with the space between the first valve rod and the second valve rod.
4. according to the double stub shaft evacuation priming device described in claim 2 or 3, it is characterized in that: the bottom of described the first cylinder is provided with air intake, in its cylinder body, be provided with to keep the spring of its piston down sliding trend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056713.XA CN103787254B (en) | 2014-02-19 | 2014-02-19 | Double stub shaft evacuation priming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056713.XA CN103787254B (en) | 2014-02-19 | 2014-02-19 | Double stub shaft evacuation priming device |
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| Publication Number | Publication Date |
|---|---|
| CN103787254A true CN103787254A (en) | 2014-05-14 |
| CN103787254B CN103787254B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410056713.XA Active CN103787254B (en) | 2014-02-19 | 2014-02-19 | Double stub shaft evacuation priming device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI716626B (en) * | 2016-08-29 | 2021-01-21 | 日商小金井股份有限公司 | Switch valve and intermittent blow gun |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3870089A (en) * | 1972-06-12 | 1975-03-11 | Iii Herman Laub | Antidrip volumetric rapid filling machine |
| CN2412005Y (en) * | 2000-01-24 | 2000-12-27 | 李运成 | Vacuum quantitative filling machine |
| CN1876504A (en) * | 2005-06-10 | 2006-12-13 | 英达格工业设备股份有限公司 | Method and apparatus for filling liquids into foil bags with a spout |
| CN103256273A (en) * | 2013-05-06 | 2013-08-21 | 牟安平 | Automatic linear reciprocating type air cylinder |
| CN203715245U (en) * | 2014-02-19 | 2014-07-16 | 佛山市优霸机械设备有限公司 | Double-valve-rod vacuumizing liquid injection device |
-
2014
- 2014-02-19 CN CN201410056713.XA patent/CN103787254B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3870089A (en) * | 1972-06-12 | 1975-03-11 | Iii Herman Laub | Antidrip volumetric rapid filling machine |
| CN2412005Y (en) * | 2000-01-24 | 2000-12-27 | 李运成 | Vacuum quantitative filling machine |
| CN1876504A (en) * | 2005-06-10 | 2006-12-13 | 英达格工业设备股份有限公司 | Method and apparatus for filling liquids into foil bags with a spout |
| CN103256273A (en) * | 2013-05-06 | 2013-08-21 | 牟安平 | Automatic linear reciprocating type air cylinder |
| CN203715245U (en) * | 2014-02-19 | 2014-07-16 | 佛山市优霸机械设备有限公司 | Double-valve-rod vacuumizing liquid injection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI716626B (en) * | 2016-08-29 | 2021-01-21 | 日商小金井股份有限公司 | Switch valve and intermittent blow gun |
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| CN103787254B (en) | 2016-08-17 |
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