CN206937992U - A kind of closed loop pneumatic control system - Google Patents
A kind of closed loop pneumatic control system Download PDFInfo
- Publication number
- CN206937992U CN206937992U CN201720625139.4U CN201720625139U CN206937992U CN 206937992 U CN206937992 U CN 206937992U CN 201720625139 U CN201720625139 U CN 201720625139U CN 206937992 U CN206937992 U CN 206937992U
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- CN
- China
- Prior art keywords
- closed
- separator
- air
- baric systerm
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of closed loop pneumatic control system, including PC, control wire harness, closed baric systerm, separator, air inlet pipe and air intake duct；The PC is by controlling wire harness to be connected with closed baric systerm, for controlling the working condition of closed baric systerm；The input of the separator is connected by air inlet pipe with closed baric systerm, output end is connected by air intake duct with closed baric systerm, so that separator forms a closed-loop system with closed baric systerm；Separator is used to store formed film and firming body in photocuring 3D printing forming process, and with the presence of closed baric systerm formed film is separated with firming body in PC.The utility model can realize the separation control of formed film and firming body in photocuring 3D shapings.
Description
Technical field
It the utility model is related to a kind of 3D printing speeds technical field, more particularly to a kind of gas of photocuring 3D shaping separation
Dynamic control.
Background technology
At present, photocuring 3D shaping types method is numerous, and the method application field of printing-forming is also relatively more.Unlike material
The forming technology of printing type emerge in an endless stream, for example being formed into food formation from industry has Related product to gush out.It is and relative
Formed in tradition, the advantage of 3D printing is that desired product is realized with minimum material.And for relatively common light
The separation control of formed film and firming body needs closed-loop control to realize in solidification 3D printing, but current closed-loop control
The separating rate of middle formed film and firming body is slow, separation accuracy is not high, it is impossible to meets the needs of nowadays photocuring 3D printing.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of closed loop pneumatic control system,
Which solve the problem of separating rate of formed film and firming body is excessively slow, precision is not high in photocuring 3D printing in the prior art.
The purpose of this utility model adopts the following technical scheme that realization：
A kind of closed loop pneumatic control system, including：PC, control wire harness, closed baric systerm, separator, air inlet pipe with
And air intake duct；The PC is by controlling wire harness to be connected with closed baric systerm, for controlling the work shape of closed baric systerm
State；The input of the separator is connected by air inlet pipe with closed baric systerm, output end passes through air intake duct and closed air pressure
System connectivity, so that separator forms a closed-loop system with closed baric systerm；Separator is used to store photocuring 3D
Formed film and firming body during printing-forming, and cause formed film and solidification in the presence of PC and closed baric systerm
Body separates.
Further, the closed baric systerm includes servo vacuum flow valve, the first check valves, the second check valves, true
Empty pump, air pressure pump, vacuum buffer tank, intermediate gas pressure storage gas tank and servo pneumatic flow valve；The servo vacuum flow
One end of valve is connected by air inlet pipe with the output end of separator, the other end connects with the air inlet of vacuum buffer tank；Vacuum is delayed
The gas outlet for rushing tank passes sequentially through the first check valves, vavuum pump, air pressure pump, the second check valves and intermediate gas pressure storage gas tank
Air inlet connection, intermediate gas pressure storage gas tank gas outlet connected by servo pneumatic flow valve with air intake duct；It is described
Servo vacuum flow valve, servo pneumatic flow valve, vavuum pump, air pressure pump are connected with PC respectively；
The PC is used for the switch for controlling servo vacuum flow valve and servo pneumatic flow valve, to adjust closed-loop system
In air pressure, so as to control the work of separator.
Further, the air inlet pipe, be equipped with air intake duct corresponding to first pressure table, first pressure table is and PC
Connection；PC is used to control the start and stop of vavuum pump and air pressure pump according to the pressure value of first pressure table transmission.
Further, between the vacuum buffer tank and the first check valves, second check valves and intermediate gas pressure
Corresponding second pressure gauge is equipped between storage gas tank, the second pressure gauge is connected with PC.
Further, the separator includes inlet chamber, suction muffler, curing area, transparent rack plate and formed film, inlet chamber
Connected with air inlet pipe, suction muffler connects with air intake duct, transparent rack plate is provided with curing area and formed film；Curing area is provided with solid
Change body.
Further, it is additionally provided with pneumatic filter in the air inlet pipe, the pneumatic filter is used for into separator
Gas filtered.
Compared with prior art, the beneficial effects of the utility model are：
The utility model is entered by adjusting the air pressure change in separator come the formed film in separator with firming body
Row separation, so as to improve speed and precision that UF membrane is shaped in photocuring 3D shapings, so as to produce new 3D printing product.
Brief description of the drawings
Fig. 1 is closed loop pneumatic control system module map provided by the utility model；
Fig. 2 is the structural representation of one of the working condition of separator provided by the utility model；
Fig. 3 is two structural representation of the working condition of separator provided by the utility model；
Fig. 4 is three structural representation of the working condition of separator provided by the utility model.
In figure：1st, PC；2nd, closed baric systerm；21st, servo vacuum flow valve；22nd, the first check valves；23rd, second time
Only valve；24th, vavuum pump；25th, air pressure pump；26th, vacuum buffer tank；27th, intermediate gas pressure storage gas tank；28th, servo air pressure stream
Measure valve；29th, second pressure gauge；3rd, separator；31st, curing area；32nd, transparent rack plate；33rd, formed film；34th, inlet chamber；35th, inhale
Air cavity；4th, air inlet pipe；5th, air intake duct；6th, wire harness is controlled；7th, first pressure table；8th, pneumatic filter.
Embodiment
Below, with reference to accompanying drawing and embodiment, the utility model is described further, it is necessary to explanation is,
On the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
Embodiment
A kind of closed loop pneumatic control system, as shown in figure 1, including PC 1, control wire harness 6, closed baric systerm 2, separation
Device 3, air inlet pipe 4 and air intake duct 5.Wherein PC 1 is by controlling wire harness 6 to be connected with closed baric systerm 2, so as to close for controlling
Close the work of baric systerm 2.The input of separator 3 is connected by air inlet pipe 4 with one end of closed baric systerm 2, output end
Connected with the other end of closed baric systerm 2 by air intake duct 5, closed so that separator 3 forms one with closed baric systerm 2
Loop system.
Closed baric systerm 2 include servo vacuum flow valve 21, the first check valves 22, the second check valves 23, vavuum pump 24,
Air pressure pump 25, vacuum buffer tank 26, intermediate gas pressure storage gas tank 27 and servo pneumatic flow valve 28.Wherein, servo is true
Empty flow valve 21, servo pneumatic flow valve 28, vavuum pump 24, air pressure pump 25 are connected with PC 1 respectively.
Wherein servo vacuum flow valve 21 connected with the output end of separator 3 by air inlet pipe 4, servo vacuum flow valve 21
Air inlet also with vacuum buffer tank 26 connects；The gas outlet of vacuum buffer tank 26 connects with the input of the first check valves 22.
The output end of first check valves 22 passes sequentially through vavuum pump 24, air pressure pump 25 connects with the input of the second check valves 23, second
The output end of check valves 23 connects with the air inlet of intermediate gas pressure storage gas tank 27.Intermediate gas pressure storage gas tank 27
Gas outlet is connected by servo pneumatic flow valve 28 with air inlet pipe 4.Wherein, the first check valves 22, the second check valves 23 are used to
Prevent gas backflow；Air pressure pump 25 is used to deliver air to separator 3 by air inlet pipe 4；And vavuum pump 24 is used to pass through suction
Tracheae 5 extracts the air in separator 3 out.And servo vacuum flow valve 21 is respectively used in PC with servo pneumatic flow valve 28
In the presence of control the gas flow in corresponding pipeline.In addition, the connection in closed baric systerm 2 between each two equipment is logical
Cross pneumatic tube connection.
Servo vacuum flow valve 21, servo pneumatic flow valve 28 are connected by corresponding control wire harness 6 with PC 1 respectively,
PC 1 is used for the switch for controlling servo vacuum flow valve 21 and servo pneumatic flow valve 28, to adjust the gas in closed-loop system
Pressure, so as to control the formed film 33 in separator 3 to be separated with firming body.
The separator 3 includes inlet chamber 34, suction muffler 35 and transparent rack plate 32, inlet chamber 34 connects with air inlet pipe 4,
Suction muffler 35 connects with air intake duct 5, transparent rack plate 32 is provided with curing area 31 and formed film 33, is provided with curing area 31 solid
Change body.Wherein, in the case of normal, formed film 33 is located at the lower section of firming body and transparent rack plate 32 is brought into close contact；Separating
When under state, formed film 33 is in the top of firming body, and formed film 33 separates with firming body.
For example, Fig. 2 show the state of the formed film 33 and firming body under normal condition, air inlet pipe 4 is by closed air pressure system
Servo pneumatic flow valve 28 in system 2 controls air inflow.Under normal circumstances, air inlet pipe 4 is closed, the air-breathing of air intake duct 5, formed film
33 are close together with transparent rack plate 32, that is to say that formed film 33 is brought into close contact with firming body together with, when that is to say solidification
Situation.
Fig. 3 is the state of formed film 33 and the firming body under intermediateness, the air inlet of air inlet pipe 4 and air intake duct 5 not air-breathing, into
Shape film 33 reverts to nature, is now the intermediateness or off position of work, suction muffler 35 and the body of inlet chamber 34
It is each filled with gas so that the air pressure all same in separator 3.
Fig. 4 is the state of formed film 33 and the firming body under released state, when air intake duct 5 is closed and the air inlet of air inlet pipe 4；Enter
Gas is each filled between air cavity 34 and suction muffler 35, after formed film 33 enters pre- disengaged position, air inlet pipe 4 is closed, air intake duct 5
Air in inlet chamber 34 and suction muffler 35 is all suctioned out, separated so as to reach formed film 33 with firming body.
In other words, the utility model be controlled by PC 1 in closed baric systerm 2 servo vacuum flow valve 21 with
And the switch of servo pneumatic flow valve 28, come control the air inlet of the air inlet pipe 4 of separator 3, air intake duct 5 air-breathing so that separation
Air pressure in device 3 produces change, and then to separate between the formed film 33 and firming body in separator 3.
In addition, first pressure table 7 is equipped with the air inlet pipe 4 and air intake duct 5, for showing the pressure at the both ends of separator 3
Force value.First pressure table 7 is connected with PC 1.PC 1 is additionally operable to receive the pressure value of first pressure table 7, and according to the first pressure
The pressure value of power table 7 controls the start and stop of vavuum pump 24 and air pressure pump 25, ensureing the change of air pressure in closed-loop system,
Separated so as to reach firming body with formed film 33.
In addition, being additionally provided with pneumatic filter 8 in air inlet pipe 4, pneumatic filter 8 is used to enter the gas for entering separator 3
Row filtering, so as to ensure into the pure of the gas of separator 3.
Preferably, between the check valves 22 of vacuum buffer tank 26 and first, the second check valves 23 deposit with intermediate gas pressure
Second pressure gauge 29 is equipped between air accumulator 27, is respectively used to show the pressure value on corresponding pipeline, second pressure gauge 29 with
PC 1 connects.
Above-mentioned embodiment is only preferred embodiment of the present utility model, it is impossible to is protected with this to limit the utility model
Scope, the change of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model scope claimed.
Claims (6)
- A kind of 1. closed loop pneumatic control system, it is characterised in that including：PC, control wire harness, closed baric systerm, separator, Air inlet pipe and air intake duct；The PC is by controlling wire harness to be connected with closed baric systerm, for controlling closed baric systerm Working condition；The input of the separator is connected by air inlet pipe with closed baric systerm, output end by air intake duct with Closed baric systerm connection, so that separator forms a closed-loop system with closed baric systerm；Separator is used to store Formed film and firming body in photocuring 3D printing forming process, and cause shaping in the presence of PC and closed baric systerm Film separates with firming body.
- 2. closed loop pneumatic control system as claimed in claim 1, it is characterised in that：The closed baric systerm includes servo vacuum Flow valve, the first check valves, the second check valves, vavuum pump, air pressure pump, vacuum buffer tank, intermediate gas pressure storage gas tank and Servo pneumatic flow valve；One end of the servo vacuum flow valve is connected by air inlet pipe with the output end of separator, the other end Connected with the air inlet of vacuum buffer tank；The gas outlet of vacuum buffer tank pass sequentially through the first check valves, vavuum pump, air pressure pump, Second check valves connect with the air inlet of intermediate gas pressure storage gas tank, and the gas outlet of intermediate gas pressure storage gas tank passes through Servo pneumatic flow valve connects with air intake duct；The servo vacuum flow valve, servo pneumatic flow valve, vavuum pump, air pressure pump point It is not connected with PC；The PC is used for the switch for controlling servo vacuum flow valve and servo pneumatic flow valve, to adjust in closed-loop system Air pressure, so as to control the work of separator.
- 3. closed loop pneumatic control system as claimed in claim 2, it is characterised in that：It is equipped with the air inlet pipe, air intake duct pair The first pressure table answered, first pressure table are connected with PC；PC is used to be divided according to the pressure value of first pressure table transmission Not Kong Zhi vavuum pump and air pressure pump start and stop.
- 4. closed loop pneumatic control system as claimed in claim 2, it is characterised in that：The vacuum buffer tank and the first check valves it Between, between second check valves and intermediate gas pressure storage gas tank be equipped with corresponding second pressure gauge, second pressure Power table is connected with PC.
- 5. closed loop pneumatic control system as claimed in claim 1, it is characterised in that：The separator include inlet chamber, suction muffler, Curing area, transparent rack plate and formed film, inlet chamber connects with air inlet pipe, suction muffler connects with air intake duct, on transparent rack plate Provided with curing area and formed film；Curing area is provided with firming body.
- 6. the closed loop pneumatic control system as described in claim 1-5 any one, it is characterised in that：It is additionally provided with the air inlet pipe Pneumatic filter, the pneumatic filter are used to filter the gas for entering separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625139.4U CN206937992U (en) | 2017-05-31 | 2017-05-31 | A kind of closed loop pneumatic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625139.4U CN206937992U (en) | 2017-05-31 | 2017-05-31 | A kind of closed loop pneumatic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206937992U true CN206937992U (en) | 2018-01-30 |
Family
ID=61362503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720625139.4U Expired - Fee Related CN206937992U (en) | 2017-05-31 | 2017-05-31 | A kind of closed loop pneumatic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206937992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773067A (en) * | 2018-06-22 | 2018-11-09 | 大族激光科技产业集团股份有限公司 | Liquid bath device, the 3D printing equipment equipped with it and printer model separation method |
-
2017
- 2017-05-31 CN CN201720625139.4U patent/CN206937992U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773067A (en) * | 2018-06-22 | 2018-11-09 | 大族激光科技产业集团股份有限公司 | Liquid bath device, the 3D printing equipment equipped with it and printer model separation method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20200531 |
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| CF01 | Termination of patent right due to non-payment of annual fee |