CN208428642U - A kind of upper cooling device for plastic suction forming apparatus - Google Patents
A kind of upper cooling device for plastic suction forming apparatus Download PDFInfo
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- CN208428642U CN208428642U CN201820911599.8U CN201820911599U CN208428642U CN 208428642 U CN208428642 U CN 208428642U CN 201820911599 U CN201820911599 U CN 201820911599U CN 208428642 U CN208428642 U CN 208428642U
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- upper cover
- mold
- forming apparatus
- nitrogen
- chassis
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Abstract
The utility model discloses a kind of upper cooling devices for plastic suction forming apparatus, the plastic suction forming apparatus includes oven and vacuum pump, the outlet of the oven is equipped with rack, the rack is equipped with chassis, mold is fixed on the chassis, stomata is offered in the mold, one end of the stomata extends to the surface of the mold, the other end of the stomata is connected to the vacuum pump, the top on the chassis is equipped with downward opening upper cover, the elevating mechanism for driving the upper cover to rise or decline is fixed in the rack, the upper cover is equipped with nitrogen interface, the upper cooling device includes liquid nitrogen container, it is connected between the liquid nitrogen container and nitrogen interface by a nitrogen transfer conduit, the nitrogen transfer conduit is equipped with a valve, when opening the valve, nitrogen is delivered in the upper cover by the liquid nitrogen container, with It is cooling for the workpiece on the mold.The utility model can reduce the temperature difference of workpiece upper and lower surface and improve workpiece cooling efficiency.
Description
Technical field
The utility model relates to plastic suction forming apparatus more particularly to a kind of upper cooling devices for plastic suction forming apparatus.
Background technique
Plastic suction forming apparatus in the market can be put to make Blister product have bigger briquetting pressure after plastic uptake material is heated
It is placed in vacuum forming region, which need to seal a cover, by making heated rear material vacuum molding to mold chassis air-breathing,
In order to accelerate the cooling to material, cold and hot friendship can be carried out with plastic uptake material with cold water circulation in mold chassis design cold water channel
It changes, but is not contacted directly with material surface due to being placed on the cover above material, the method that cold water cannot be used cooling.Therefore
Often in the thick workpiece of processing, the cooling of lower mold cannot effectively cool down workpiece surface, need to wait longer
After time keeps the upper surface of workpiece cooling, mold can be separated with workpiece, otherwise the upper and lower surface temperature difference of workpiece compared with
If plastic uptake workpiece can be severely deformed by mold separation when big.
Utility model content
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, work can be reduced by providing one kind
The temperature difference of part upper and lower surface, the upper cooling device for plastic suction forming apparatus for improving workpiece cooling efficiency.
In order to solve the above technical problems, the utility model adopts the following technical solution.
A kind of upper cooling device for plastic suction forming apparatus, the plastic suction forming apparatus include oven and vacuum pump, described
The outlet of oven is equipped with rack, and the rack is equipped with chassis, is fixed with mold on the chassis, offers gas in the mold
Hole, one end of the stomata extend to the surface of the mold, and the other end of the stomata is connected to the vacuum pump, the bottom
The top of disk is equipped with downward opening upper cover, and the lifting for driving the upper cover to rise or decline is fixed in the rack
Mechanism, the upper cover are equipped with nitrogen interface, and the upper cooling device includes liquid nitrogen container, the liquid nitrogen container and nitrogen interface it
Between by a nitrogen transfer conduit be connected to, the nitrogen transfer conduit be equipped with a valve, when opening the valve, the liquid nitrogen
Nitrogen is delivered in the upper cover by tank, so that the workpiece on the mold is cooling.
Preferably, the upper cover is equipped with air pressure interface, and the upper cooling device includes air compressor machine, and the air compressor machine connects
The air pressure interface is passed through, it is described used for air compressor in the gas boosting in upper cover.
Preferably, further include having circulating chilled water machine, cooling duct, the both ends of the cooling duct are offered in the chassis
It is respectively communicated in circulating chilled water machine, the circulating chilled water machine is for driving cold water to flow in cooling duct, to enable the chassis
Cooling.
Preferably, the valve is solenoid valve.
Preferably, the elevating mechanism is cylinder.
Upper cooling device disclosed by the utility model for plastic suction forming apparatus, when processing, the plastic uptake that first exports oven
Material is transmitted to the mold on chassis by transport mechanism, drives upper cover to decline using elevating mechanism later, until upper cover and bottom
Disk contact, while guaranteeing that upper cover covers at mold, then negative pressure is applied to the stomata in mold by vacuum pump, so that plastic uptake material
Workpiece is formed on mold, cooling ring section is entered after machine-shaping, first opens the valve, and the liquid nitrogen container is transmitted by nitrogen
Nitrogen is delivered in the upper cover by pipeline, is finally cooled down using the nitrogen in upper cover to the workpiece on the mold.Base
In above-mentioned principle, the utility model realizes the rapid cooling to workpiece surface, facilitates the temperature for reducing workpiece upper and lower surface
Difference, at the same compared to workpiece surface natural heat dissipation mode for, the utility model also substantially increases cooling velocity, facilitates
Production, processing efficiency are improved, production cost is shortened.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of plastic suction forming apparatus.
Fig. 2 is the structure chart of upper cover and chassis portion.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and examples.
It is referring to figs. 1 and 2, described the utility model discloses a kind of upper cooling device for plastic suction forming apparatus
Plastic suction forming apparatus includes oven 1 and vacuum pump 6, and the outlet of the oven 1 is equipped with rack 2, and the rack 2 is equipped with chassis 3,
It is fixed with mold 4 on the chassis 3, stomata is offered in the mold 4, one end of the stomata extends to the mold 4
Surface, the other end of the stomata are connected to the vacuum pump 6, and the top on the chassis 3 is equipped with downward opening upper cover 7, institute
The elevating mechanism 8 being fixed in rack 2 for driving the upper cover 7 to rise or decline is stated, the upper cover 7 connects equipped with nitrogen
Mouth 70, the upper cooling device includes liquid nitrogen container 9, passes through a nitrogen transfer tube between the liquid nitrogen container 9 and nitrogen interface 70
Road 10 is connected to, and the nitrogen transfer conduit 10 is equipped with a valve 11, and when opening the valve 11, the liquid nitrogen container 9 is by nitrogen
It is delivered in the upper cover 7, so that the workpiece on the mold 4 is cooling.
In above structure, when processing, first the plastic uptake material that oven 1 exports is transmitted on chassis 3 by transport mechanism
Mold 4 drives upper cover 7 to decline using elevating mechanism 8 later, until upper cover 7 is contacted with chassis 3, while guaranteeing that upper cover 7 covers at
Mold 4, then negative pressure is applied to the stomata in mold 4 by vacuum pump 6, so that plastic uptake material forms workpiece on mold 4, processing
Enter cooling ring section after molding, first opens the valve 11, nitrogen is delivered to by the liquid nitrogen container 9 by nitrogen transfer conduit 10
In the upper cover 7, finally the workpiece on the mold 4 is cooled down using the nitrogen in upper cover 7.Based on the above principles, originally
Utility model realizes the rapid cooling to workpiece surface, facilitates the temperature difference for reducing workpiece upper and lower surface, while comparing work
For the mode of part upper surface natural heat dissipation, the utility model also substantially increases cooling velocity, helps to improve production, processing
Efficiency shortens production cost.
In order to enable plastic uptake material to be preferably adsorbed in mold 4, and the molding effect of raising workpiece, the present embodiment
In, the upper cover 7 is equipped with air pressure interface 71, and the upper cooling device includes air compressor machine 12, and the air compressor machine 12 is connected to
The air pressure interface 71, the air compressor machine 12 are used for the gas boosting in upper cover 7.
The present embodiment further includes having circulating chilled water machine 13 as a preferred method, is offered in the chassis 3 cooling logical
Road, the both ends of the cooling duct are respectively communicated in circulating chilled water machine 13, and the circulating chilled water machine 13 is for driving cold water cold
But it is flowed in channel, to enable the chassis 3 cool down.
Further, the valve 11 is solenoid valve.The elevating mechanism 8 is cylinder.
Upper cooling device disclosed by the utility model further relates in actual application a kind of for plastic suction forming apparatus
Upper cooling means, this method are based on cooling device on one and realize that the plastic suction forming apparatus includes oven 1 and vacuum pump 6, described
The outlet of oven 1 is equipped with rack 2, and the rack 2 is equipped with chassis 3, is fixed with mold 4 on the chassis 3, in the mold 4
Stomata is offered, one end of the stomata extends to the surface of the mold 4, and the other end of the stomata is connected to the vacuum
Pump 6, the top on the chassis 3 are equipped with downward opening upper cover 7, are fixed in the rack 2 for driving the upper cover 7 to rise
Or the elevating mechanism 8 of decline, the upper cover 7 are equipped with nitrogen interface 70, the upper cooling device includes liquid nitrogen container 9, institute
It states and is connected between liquid nitrogen container 9 and nitrogen interface 70 by a nitrogen transfer conduit 10, the nitrogen transfer conduit 10 is equipped with one
Valve 11, the method includes having the following steps:
Step S1, the mold 4 in plastic uptake transmission of materials to chassis 3 that the oven 1 exports；
Step S2, the elevating mechanism 8 drive upper cover 7 to decline, until upper cover 7 is contacted with chassis 3, and upper cover 7 covers at
Mold 4 applies negative pressure to the stomata in mold 4 by vacuum pump 6, to enable plastic uptake material form workpiece on mold 4；
Step S3, opens the valve 11, and nitrogen is delivered on described by the liquid nitrogen container 9 by nitrogen transfer conduit 10
In cover 7；
Step S4 cools down the workpiece on the mold 4 by the nitrogen in the upper cover 7.
As further expansion scheme, the upper cover 7 is equipped with air pressure interface 71, and the upper cooling device includes free
Press 12, the air compressor machine 12 are connected to the air pressure interface 71, and in the step S2, the vacuum pump 6 is to the gas in mold 4
While hole applies negative pressure, using the air compressor machine 12 to the gas boosting in upper cover 7.
In the present embodiment, the plastic suction forming apparatus further includes having circulating chilled water machine 13, is offered in the chassis 3 cooling logical
Road, the both ends of the cooling duct are respectively communicated in circulating chilled water machine 13, drive cold water cold using the circulating chilled water machine 13
But it is flowed in channel, to enable the chassis 3 cool down.
The valve 11 is solenoid valve as a preferred method, in the step S3, by loading to the valve 11
Electric signal is opened or is turned off to control the valve 11.
In addition, the elevating mechanism 8 is cylinder, in the step S2, driven and loading air pressure to the elevating mechanism 8
The upper cover 7 is set to rise or decline.
Upper cooling device disclosed by the utility model for plastic suction forming apparatus, preferably uses nitrogen to carry out workpiece
Cooling, wherein liquid nitrogen is a kind of with inert, colourless, odorless, non-corrosive, nontoxic, non-combustible, the extremely low gas of temperature
Body, the utility model use liquid nitrogen holding vessel, fill to the upper cover of plastic suction forming apparatus and add nitrogen, and utilize solenoid valve control nitrogen
The switch of access, after plastic uptake material is shaped to workpiece, control solenoid valve is opened, and nitrogen enters inside cover, to cover inside
Workpiece surface carry out quick-cooling, heating exchange, after the completion of cooling, solenoid valve is closed, and cover is opened, and workpiece can be detached from mould at this time
Tool is based on the above process, substantially increases the cooling efficiency of workpiece after thermoforming.
The above is the utility model preferred embodiment, is not intended to limit the utility model, all practical at this
Modification, equivalent replacement or the improvement etc. made in novel technical scope, should be included in the model that the utility model is protected
In enclosing.
Claims (5)
1. a kind of upper cooling device for plastic suction forming apparatus, which is characterized in that the plastic suction forming apparatus include oven (1) and
The outlet of vacuum pump (6), the oven (1) is equipped with rack (2), and the rack (2) is equipped with chassis (3), on the chassis (3)
It being fixed with mold (4), offers stomata in the mold (4), one end of the stomata extends to the surface of the mold (4),
The other end of the stomata is connected to the vacuum pump (6), and the top of the chassis (3) is equipped with downward opening upper cover (7), institute
The elevating mechanism (8) being fixed on rack (2) for driving the upper cover (7) to rise or decline is stated, is set on the upper cover (7)
Have nitrogen interface (70), the upper cooling device includes liquid nitrogen container (9), between the liquid nitrogen container (9) and nitrogen interface (70)
It is connected to by a nitrogen transfer conduit (10), the nitrogen transfer conduit (10) is equipped with a valve (11), opens the valve
(11) when, nitrogen is delivered in the upper cover (7) by the liquid nitrogen container (9), so that the workpiece on the mold (4) is cooling.
2. being used for the upper cooling device of plastic suction forming apparatus as described in claim 1, which is characterized in that set on the upper cover (7)
Have air pressure interface (71), the upper cooling device includes air compressor machine (12), and the air compressor machine (12) is connected to the air pressure and connects
Mouth (71), the air compressor machine (12) are used for the gas boosting in upper cover (7).
3. being used for the upper cooling device of plastic suction forming apparatus as described in claim 1, which is characterized in that further include having circulating chilled water
Machine (13), the chassis (3) is interior to offer cooling duct, and the both ends of the cooling duct are respectively communicated in circulating chilled water machine
(13), the circulating chilled water machine (13) is for driving cold water to flow in cooling duct, to enable the chassis (3) to cool down.
4. being used for the upper cooling device of plastic suction forming apparatus as described in claim 1, which is characterized in that the valve (11) is electricity
Magnet valve.
5. being used for the upper cooling device of plastic suction forming apparatus as described in claim 1, which is characterized in that the elevating mechanism (8)
For cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820911599.8U CN208428642U (en) | 2018-06-12 | 2018-06-12 | A kind of upper cooling device for plastic suction forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820911599.8U CN208428642U (en) | 2018-06-12 | 2018-06-12 | A kind of upper cooling device for plastic suction forming apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208428642U true CN208428642U (en) | 2019-01-25 |
Family
ID=65101644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820911599.8U Active CN208428642U (en) | 2018-06-12 | 2018-06-12 | A kind of upper cooling device for plastic suction forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208428642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556314A (en) * | 2018-06-12 | 2018-09-21 | 深圳富勒工业有限公司 | A kind of upper cooling device and method for plastic suction forming apparatus |
-
2018
- 2018-06-12 CN CN201820911599.8U patent/CN208428642U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556314A (en) * | 2018-06-12 | 2018-09-21 | 深圳富勒工业有限公司 | A kind of upper cooling device and method for plastic suction forming apparatus |
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