CN205185189U - Take foamed plastic forming machine of negative pressure drainage system - Google Patents
Take foamed plastic forming machine of negative pressure drainage system Download PDFInfo
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- CN205185189U CN205185189U CN201520850106.0U CN201520850106U CN205185189U CN 205185189 U CN205185189 U CN 205185189U CN 201520850106 U CN201520850106 U CN 201520850106U CN 205185189 U CN205185189 U CN 205185189U
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Abstract
The utility model discloses a take foamed plastic forming machine of negative pressure drainage system, including frame and forming mechanism, forming mechanism includes mould and steam boiler, the mould including cover half, movable mould and be located the cover half and the movable mould between the die cavity, the negative pressure drainage system still including: the vacuum air extractor, set up the cover half cooling chamber on the cover half, set up the movable mould cooling chamber on the movable mould, the steam inlet and the steam outlet that are linked together with the die cavity, real empty can has offered a jar steam inlet, jar vacuum gas port, jar big gas port, jar outlet on this real empty can, the shower extends to inside the real empty can, through the pipeline intercommunication between jar steam inlet and steam outlet, jar steam inlet department is equipped with the steam inlet control valve, the steam boiler gas outlet is linked together with steam inlet, the vacuum air extractor is linked together with steam boiler. The utility model discloses a negative pressure in with the die cavity moisture discharge rapidly, reduce product surface moisture content, utensil energy saving and emission reduction effect by a wide margin.
Description
Technical field
The utility model relates to a kind of bubble molding machine, especially a kind of bubble molding machine with drainage by suction system.
Background technology
Bubble molding machine is mainly used in steeping the compressing of moulding material, the normal mode using heating plasticizing.Existing bubble molding machine includes frame, and the feeding mechanism be installed in frame and shaping mechanism, this shaping mechanism include the fixed form be installed in frame, moving die plate and for drive moving die plate towards fixed form compress or away from hydraulic cylinder.After moving die plate and fixed form matched moulds, between the two by formation die cavity, by feeding mechanism toward filling foamed plastics in die cavity, high-temperature steam is then used to make feed particles expansion molding in die cavity.Need after shaping to carry out demoulding blanking.Because product is prepared under the environment of high-temperature steam, therefore the temperature of product is very high, be not easy to manually carry out blanking, and because temperature is higher and product is the reason expanded, the Contact of product and mould is tight, and the stripping operation of product is also not easy.So, before the demoulding and blanking of product, generally all need product to cool, but in order to avoid after chilling temperature is too low, also need when carrying out the production of product next time to carry out long-time preheating to mould, so cooled temperature generally all will remain on more than 70 degrees Celsius.
Traditional cooling means is same cooling water in die cavity, and such operation often causes cool time long, affects production efficiency.And cooled by cooling water, although improve cooling effectiveness, product can remain a large amount of moisture, cause the moisture content of product too high, need to carry out dewatering work follow-up, add production process, extend the production cycle, reduce production efficiency.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model is provided one and can be discharged rapidly by moisture in die cavity by negative pressure, significantly reduce product surface moisture, also meet modernization construction simultaneously, there is the bubble molding machine of the band drainage by suction system of effects of energy saving and emission reduction.
With the bubble molding machine of drainage by suction system.
The utility model solves the technical scheme that its technical problem adopts: a kind of bubble molding machine with drainage by suction system, comprise frame, frame is provided with feeding mechanism and shaping mechanism, described shaping mechanism comprises and is installed on frame mold and steam boiler, the die cavity that this mould includes cover half, dynamic model and is positioned between fixed half and moving half, described drainage by suction system also includes:
Vacuum air pump;
Be opened in the cover half cooling chamber on cover half, this cover half cooling chamber is disposed adjacent with die cavity, and cover half cooling chamber offers cover half water inlet and cover half delivery port;
Be opened in the dynamic model cooling chamber on dynamic model, this dynamic model cooling chamber is disposed adjacent with die cavity, and dynamic model cooling chamber offers dynamic model water inlet and dynamic model delivery port;
Be opened in the steam inlet and steam (vapor) outlet that are connected on mould and with die cavity;
Vacuum tank, this vacuum tank offers the tank steam inlet be connected with steam (vapor) outlet, the tank vacuum gas port be connected with vacuum air pump air inlet, the tank atmospheric air port be communicated with air, the tank discharge outlet that is positioned at vacuum tank lower position;
Shower, extends to vacuum tank inside, and shower is provided with some spray apertures, and this spray apertures is positioned at vacuum tank;
Tank steam inlet place is provided with steam inlet control valve, and tank vacuum gas port place is provided with vacuum gas port control valve, and tank atmospheric air port place is provided with atmospheric air port control valve, and tank discharge outlet place is provided with discharge outlet control valve, passes through pipeline connection between tank steam inlet and steam (vapor) outlet; Tank steam inlet place is provided with steam inlet control valve; Described steam boiler gas outlet is connected with steam inlet; Described vacuum air pump gas outlet is connected with steam boiler inside.
The beneficial effects of the utility model are: step 1) when being full of foamed plastics in die cavity, anhydrous state is kept in dynamic model cooling chamber and cover half cooling chamber, open steam inlet control valve, by steam boiler, steam to be injected in die cavity and pressurize 3 ~ 7s from steam inlet; Step 2) steam off inlet control valve, in cover half cooling chamber and dynamic model cooling chamber, pass into cooling water, stop passing into cooling water when mould cavity temperature is down to 88 ~ 90 DEG C; Step 3) take up the cooling water of liquid level higher than tank steam inlet in vacuum tank, steam inlet control valve, discharge outlet control valve and atmospheric air port control valve is made to keep closed condition, open vacuum gas port control valve and pass into cooling water in shower, make mould cavity pressure remain on-40 ~ 60 kPas by vacuum air pump simultaneously, continue 5 ~ 7s; Step 4) close vacuum gas port control valve, the first control valve, the second control valve and steam inlet control valve, open discharge outlet control valve and atmospheric air port control valve, the cooling water of vacuum tank inner accumulated is discharged.Make to be in negative pressure state in die cavity by vacuum air pump, when negative pressure is-40 ~ 60 kPas, the boiling point of aqueous water will be down to about 76 ~ 86 DEG C, and now in die cavity, the temperature of aqueous water is generally in about 90 DEG C, and this part aqueous water will be converted into steam and be inhaled in vacuum tank.Entering steam in vacuum tank first can cooling water bottom vacuum tank, thus a part of steam cooling is liquefied; After cooling water, still have some vapor to rise, then all cooling is liquefied via the overwhelming majority after shower spray, draw vacuum tank through vacuum air pump on a small quantity.Wherein, in the process of steam liquefied, volume will significantly reduce, thus further reduce the vacuum in vacuum tank, improve the vacuumizing effect to die cavity, also reduce the power of vacuum air pump accordingly, and vacuum effectiveness in vacuum tank is better on the contrary.Through above-mentioned flow process, in die cavity, the moisture of product surface has been down to pole low-level, and moisture content is in the scope of 1 ~ 3%, and the whole course of work only needs 16 ~ 22s to complete.The steam that vacuum air pump is extracted out will by steam boiler, thus be also its supplementary raw material when not affecting steam boiler temperature.And by the switching of repeatedly negative pressure state and normal temperature state, make product in die cavity complete the demoulding because of pressure effect, improve demoulding efficiency.In addition, product is after being cooled to 88 ~ 90 DEG C, and not only convenient operation workman carries out blanking to product, but also can ensure the waste heat supply temperature of fixed half and moving half, reduces the waste heat time between the two, has saved energy consumption.The utility model particularly can be complied with country and call, and follows the principles and policies of energy-saving and emission-reduction closely, and the sustainable development cause for government makes own share contribution.
Wherein, tank steam inlet is positioned at the lower position of vacuum tank.Take up the cooling water of liquid level higher than tank steam inlet in vacuum tank, the steam entered by tank steam inlet all will go over cooling water, thus improves the liquefaction efficiency of steam.
In order to improve the cooling effect of shower to steam, shower includes spray water inlet and spray delivery port, and this shower runs through vacuum tank and arranges, and spray water inlet and the spray delivery port of shower lay respectively at outside vacuum tank, and spray apertures is then positioned at vacuum tank.And cooling water endlessly, thus shower water inlet is to shower delivery port, makes shower not only play spray effect, also carries out heat absorption function by shower tube wall, lower the temperature for steam in vacuum tank.
In order to improve accuracy and the intellectuality of operation, shower water inlet and shower water outlet are separately installed with the first control valve and the second control valve; Described drainage by suction system also includes the PLC control unit for controlling steam inlet control valve, vacuum gas port control valve, atmospheric air port control valve, discharge outlet control valve, the first control valve and the second control valve.
In order to save installation control, vacuum tank extends a three-way pipe, this three-way pipe wherein opening is connected with vacuum tank, and other two mouths of pipe are respectively tank vacuum pumping opening and tank atmospheric air port.
Also for ease of to save and install control, steam inlet and steam (vapor) outlet are same opening.
Vacuum tank bottom coohng water is through the water excessively of steam, and the temperature of cooling water also will rise, then tank discharge outlet is connected with steam boiler inside, thus the cooling water after intensification is imported in steam boiler, not only reduce outer row, and reduce the heating newly adding water in steam boiler, save energy consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment mould.
Fig. 2 is the structural representation of the utility model embodiment drainage by suction system, eliminates vacuum air pump.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described:
As shown in Figure 1, 2, the present embodiment comprises frame (not shown), frame is provided with feeding mechanism (not shown) and shaping mechanism, shaping mechanism comprises and is installed on frame mold, steam boiler (not shown) and drainage by suction system, the die cavity 13 that this mould 1 includes cover half 11, dynamic model 12 and is positioned between cover half 11 and dynamic model 12.Drainage by suction system 2 also includes vacuum air pump (not shown), cover half 11 offers cover half cooling chamber 21, and this cover half cooling chamber 21 is disposed adjacent with die cavity 13, and cover half cooling chamber 21 offers cover half water inlet 211 and cover half delivery port 212; Dynamic model 12 offers dynamic model cooling chamber 22, this dynamic model cooling chamber 22 is disposed adjacent with die cavity 13, and dynamic model cooling chamber 22 offers dynamic model water inlet 221 and dynamic model delivery port 222; Mould 1 offers the steam inlet 141 and steam (vapor) outlet 142 that are connected with die cavity 13; Frame is added is provided with vacuum tank 23, this vacuum tank 23 offers the tank steam inlet 231 be connected with steam (vapor) outlet 142, the tank vacuum gas port 232 be connected with vacuum air pump air inlet, the tank atmospheric air port 233 be communicated with air, is positioned at the tank discharge outlet 234 of vacuum tank 23 lower position; Vacuum tank 23 top is equipped with the shower 24 of band spray apertures 243, and this shower 24 includes spray water inlet 241 and spray delivery port 242, and spray water inlet 241 and spray delivery port 242 lay respectively at outside vacuum tank 23, and spray apertures 243 is positioned at vacuum tank 23; Tank steam inlet 231 place is provided with steam inlet control valve, tank vacuum gas port 232 place is provided with vacuum gas port control valve, tank atmospheric air port 233 place is provided with atmospheric air port control valve, and tank discharge outlet 234 place is provided with discharge outlet control valve, passes through pipeline connection between tank steam inlet 231 and steam (vapor) outlet 142; Tank steam inlet 231 place is provided with steam inlet control valve; Steam boiler gas outlet is connected with steam inlet 141; Vacuum air pump gas outlet is connected with steam boiler inside; Tank discharge outlet 234 is connected with steam boiler inside.Wherein, tank steam inlet 231 is positioned at the lower position of vacuum tank 23.Take up the cooling water of liquid level higher than tank steam inlet 231 in vacuum tank 23, the steam entered by tank steam inlet 231 all will go over cooling water, thus improves the liquefaction efficiency of steam.In order to improve accuracy and the intellectuality of operation, shower water inlet 241 and shower delivery port 242 place are separately installed with the first control valve and the second control valve; Drainage by suction system 2 also includes the PLC control unit for controlling steam inlet control valve, vacuum gas port control valve, atmospheric air port control valve, discharge outlet control valve, the first control valve and the second control valve, and this PLC control unit model is siemens PLC.In addition, in order to save installation control, vacuum tank 23 extends a three-way pipe, this three-way pipe wherein opening is connected with vacuum tank 23, and other two mouths of pipe are respectively tank vacuum pumping opening 232 and tank atmospheric air port 233.As on mould 1, steam inlet 141 and steam (vapor) outlet 142 can be same opening.
Drainage by suction technique of the present utility model, include following steps: step 1) when being full of foamed plastics in die cavity 13, anhydrous state is kept in dynamic model cooling chamber 22 and cover half cooling chamber 21, open steam inlet control valve, by steam boiler, steam is injected into the interior also pressurize 3 ~ 7s of die cavity 13 from steam inlet 141; Step 2) steam off inlet control valve, in cover half cooling chamber 21 and dynamic model cooling chamber 22, pass into cooling water, stop passing into cooling water when temperature is down to 88 ~ 90 DEG C to die cavity 13; Step 3) take up the cooling water of liquid level higher than tank steam inlet 231 in vacuum tank 23, steam inlet control valve, discharge outlet control valve and atmospheric air port control valve is made to keep closed condition, open vacuum gas port control valve and pass into cooling water in shower 24, make pressure in die cavity 13 remain on-40 ~ 60 kPas by vacuum air pump simultaneously, continue 5 ~ 7s; Step 4) close vacuum gas port control valve, the first control valve, the second control valve and steam inlet control valve, open discharge outlet control valve and atmospheric air port control valve, the cooling water of vacuum tank 23 inner accumulated is discharged.Wherein, step 3) and step 4) 2 ~ 3 times can be repeated.
In the utility model, entering steam in vacuum tank 23 first can cooling water bottom vacuum tank 23, thus a part of steam cooling is liquefied; After cooling water, still have some vapor to rise, then spray the rear overwhelming majority via shower 24 and all cooling is liquefied, draw vacuum tank 23 through vacuum air pump on a small quantity.Wherein, in the process of steam liquefied, volume will significantly reduce, thus further reduce the vacuum in vacuum tank 23, improve the vacuumizing effect to die cavity 13, also reduce the power of vacuum air pump accordingly, and vacuum effectiveness in vacuum tank 23 is better on the contrary.Through above-mentioned flow process, in die cavity 13, the moisture of product surface has been down to pole low-level, and moisture content is in the scope of 1 ~ 3%, and the whole course of work only needs 16 ~ 22s to complete.The steam that vacuum air pump is extracted out will by steam boiler, thus be also its supplementary raw material when not affecting steam boiler temperature.And by the switching of repeatedly negative pressure state and normal temperature state, make product in die cavity 13 complete the demoulding because of pressure effect, improve demoulding efficiency.In addition, product is after being cooled to 88 ~ 90 DEG C, and not only convenient operation workman carries out blanking to product, but also can ensure the waste heat supply temperature of cover half 11 and dynamic model 12, reduces the waste heat time between the two, has saved energy consumption.The utility model particularly can be complied with country and call, and follows the principles and policies of energy-saving and emission-reduction closely, and the sustainable development cause for government makes own share contribution.
Claims (6)
1. the bubble molding machine with drainage by suction system, comprise frame, frame is provided with feeding mechanism and shaping mechanism, described shaping mechanism comprises and is installed on frame mold and steam boiler, the die cavity that this mould includes cover half, dynamic model and is positioned between fixed half and moving half, it is characterized in that, described drainage by suction system also includes:
Vacuum air pump;
Be opened in the cover half cooling chamber on cover half, this cover half cooling chamber is disposed adjacent with die cavity, and cover half cooling chamber offers cover half water inlet and cover half delivery port;
Be opened in the dynamic model cooling chamber on dynamic model, this dynamic model cooling chamber is disposed adjacent with die cavity, and dynamic model cooling chamber offers dynamic model water inlet and dynamic model delivery port;
Be opened in the steam inlet and steam (vapor) outlet that are connected on mould and with die cavity;
Vacuum tank, this vacuum tank offers the tank steam inlet be connected with steam (vapor) outlet, the tank vacuum gas port be connected with vacuum air pump air inlet, the tank atmospheric air port be communicated with air, the tank discharge outlet that is positioned at vacuum tank lower position;
Shower, extends to vacuum tank inside, and shower is provided with some spray apertures, and this spray apertures is positioned at vacuum tank;
Tank steam inlet place is provided with steam inlet control valve, and tank vacuum gas port place is provided with vacuum gas port control valve, and tank atmospheric air port place is provided with atmospheric air port control valve, and tank discharge outlet place is provided with discharge outlet control valve, passes through pipeline connection between tank steam inlet and steam (vapor) outlet; Tank steam inlet place is provided with steam inlet control valve; Described steam boiler gas outlet is connected with steam inlet; Described vacuum air pump gas outlet is connected with steam boiler inside.
2. the bubble molding machine of band drainage by suction system according to claim 1, is characterized in that: described tank steam inlet is positioned at the lower position of vacuum tank.
3. the bubble molding machine of band drainage by suction system according to claim 1, it is characterized in that: described shower includes spray water inlet and spray delivery port, this shower runs through vacuum tank and arranges, spray water inlet and the spray delivery port of shower lay respectively at outside vacuum tank, and spray apertures is then positioned at vacuum tank.
4. the bubble molding machine of the band drainage by suction system according to claim 1 or 2 or 3, is characterized in that: described shower water inlet and shower water outlet are separately installed with the first control valve and the second control valve; Described drainage by suction system also includes the PLC control unit for controlling steam inlet control valve, vacuum gas port control valve, atmospheric air port control valve, discharge outlet control valve, the first control valve and the second control valve.
5. the bubble molding machine of band drainage by suction system according to claim 1, is characterized in that: described vacuum tank extends a three-way pipe, and this three-way pipe wherein opening is connected with vacuum tank, and other two mouths of pipe are respectively tank vacuum pumping opening and tank atmospheric air port.
6. the bubble molding machine of band drainage by suction system according to claim 1, is characterized in that: described steam inlet and steam (vapor) outlet are same opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520850106.0U CN205185189U (en) | 2015-10-29 | 2015-10-29 | Take foamed plastic forming machine of negative pressure drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520850106.0U CN205185189U (en) | 2015-10-29 | 2015-10-29 | Take foamed plastic forming machine of negative pressure drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205185189U true CN205185189U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520850106.0U Expired - Fee Related CN205185189U (en) | 2015-10-29 | 2015-10-29 | Take foamed plastic forming machine of negative pressure drainage system |
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| CN (1) | CN205185189U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252695A (en) * | 2015-10-29 | 2016-01-20 | 潘秀岳 | Foam plastic forming machine with negative pressure drainage system |
| CN108580834A (en) * | 2018-07-05 | 2018-09-28 | 宁波北仑益鸣企业管理服务有限公司 | Die casting vacuum extractor and the corresponding technique for vacuumizing operation |
-
2015
- 2015-10-29 CN CN201520850106.0U patent/CN205185189U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252695A (en) * | 2015-10-29 | 2016-01-20 | 潘秀岳 | Foam plastic forming machine with negative pressure drainage system |
| CN108580834A (en) * | 2018-07-05 | 2018-09-28 | 宁波北仑益鸣企业管理服务有限公司 | Die casting vacuum extractor and the corresponding technique for vacuumizing operation |
| CN108580834B (en) * | 2018-07-05 | 2020-12-15 | 宁波北仑益鸣企业管理服务有限公司 | Die-casting die vacuumizing device and corresponding vacuumizing operation process |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20161029 |