CN209207848U - Casting apparatus air intake device - Google Patents
Casting apparatus air intake device Download PDFInfo
- Publication number
- CN209207848U CN209207848U CN201821616136.5U CN201821616136U CN209207848U CN 209207848 U CN209207848 U CN 209207848U CN 201821616136 U CN201821616136 U CN 201821616136U CN 209207848 U CN209207848 U CN 209207848U
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- China
- Prior art keywords
- vacuum chamber
- baffle
- chilling roller
- lateral
- casting apparatus
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- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of casting apparatus air intake device, including air draught cover, the exhaust column being set on the air draught cover and the extractor fan being connect with the exhaust column, the first vacuum chamber and the second vacuum chamber are provided in the suspended hood body, a splitter cavity is additionally provided in the suspended hood body, splitter cavity is connected with exhaust column, the first vacuum chamber and the second vacuum chamber respectively.Extractor fan in the utility model can vacuumize the splitter cavity of air draught cover, the first vacuum chamber and the second vacuum chamber by exhaust column, be cooled and shaped so that casting films are attached to well in chilling roller.High-temperature oil smoke and gas in second vacuum chamber removal production thin-film process, first vacuum chamber removes the second vacuum chamber and fails the high-temperature oil smoke taken away completely and air and be attached to the dust on chilling roller surface, and vacuum environment is provided to the second vacuum chamber, so that the air draught effect of air intake device is more preferable, the rejection rate of casting films is effectively reduced.
Description
Technical field
The utility model relates to casting films technical field of processing equipment, refer in particular to a kind of in casting apparatus chilling roller
Negative pressure air draft apparatus.
Background technique
The production technology of casting films is that the plastics of melting are flowed out after squeezing out by the gap of die head front end, forms film,
After leaving die head, melt passes through a short gap, reaches the curtain coating roll surface of low temperature and quick refrigeration is formed, then is drawn, cut
Product is wound behind side, finally obtains film with a certain toughness, is widely used in food, textile, chemical products, daily
The packaging of product etc..
In order to avoid casting roller is in rotation, air is brought between film and chilling roller, generates bubble, reduces cooling effect
And the Forming Quality of film is influenced, while in order to make casting films can be good at being attached to chilling roller surface, usually above chilling roller
Casting films production negative pressure air draft apparatus is set, guarantees the close contact of fused films and chilling roller, improves the molding of plastic film
Effect and quality.
Currently, in domestic film manufacturing processes, the negative pressure air draft apparatus of useful single-chamber room；Some use dual cavity,
But chamber interior air-flow circulation is poor, inner wall is easy condensation oil droplet, and some oil droplets directly drip in chilling roller, seriously affects film
Quality.In addition, existing dual cavity negative pressure air draft apparatus generallys use black soy sauce blower, system structure is complicated, higher cost, energy consumption compared with
It is high.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of above-mentioned prior art, a kind of casting films production is provided and is inhaled with negative pressure
Wind apparatus, the apparatus structure is simple, and energy consumption is lower, can effectively extract the gas and high-temperature oil smoke generated in production process out, subtract
Few oil smoke condensation, reduces rejection rate.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of casting apparatus is filled with negative-pressure air-suction
It sets, including air draught cover, the exhaust column being set on the air draught cover and the extractor fan being connect with the exhaust column, the air draught
The first vacuum chamber and the second vacuum chamber are provided in cover, it is characterised in that: it is additionally provided with a splitter cavity in the suspended hood body, point
Stream chamber is connected with exhaust column, the first vacuum chamber and the second vacuum chamber respectively.
Further, it is fixedly installed with a shunting bracket in the suspended hood body, under the bottom surface and two sides that shunt bracket
Portion is fixed with sealing plate, and the splitter cavity, the top of splitter cavity and the exhausting are formed between sealing plate and the air draught cover
Pipe connection, the two sides top of splitter cavity is respectively equipped with first to be connected with first vacuum chamber and the second vacuum chamber and opens
Mouth, the second opening.
Further, two sets are also equipped in the splitter cavity for adjusting first opening, the second openings of sizes
Regulating mechanism, regulating mechanism include guide groove, air-flow plate and rocking bar, and guide groove is equipped with two, are separately fixed at shunting branch
On frame and it is located on both sides of the opening, air-flow plate two sides are nested in guide groove, rack gear is fixed on air-flow plate,
Rocking bar both ends are mounted on the air draught cover by bearing, and the gear being meshed with the rack gear is equipped on rocking bar.
Further, the air draught cover include mounting rack, with the lateral baffle of the adjustable installation of the mounting rack, actively
It is set to the lateral chilling roller baffle of the lateral baffle, mounting plate, thermal insulation board, the middle partition for being fixed on splitter cavity bottom, is adjusted
Ground is mounted on intermediate chilling roller baffle and both sides sealing plate on middle partition；The lateral baffle, lateral chilling roller baffle, middle partition,
Intermediate chilling roller baffle and splitter cavity, which are enclosed, is set as first vacuum chamber, the thermal insulation board, mounting plate, middle partition, intermediate chilling roller gear
Plate and splitter cavity, which are enclosed, is set as the second vacuum chamber.
Further, the lateral baffle adjusts bolt by lateral baffle and connect with the mounting rack.
Further, the air draught cover further includes the chilling roller baffle mounting plate for being fixed on lateral baffle, described lateral cold
Roller baffle adjusts bolt by chilling roller baffle and connect with the chilling roller baffle mounting plate.
Further, the intermediate chilling roller baffle adjusts bolt by intermediate chilling roller baffle and connect with the middle partition, institute
It states middle partition and is provided with snap groove and the oil-containing groove for accepting the oil droplet that top drops down；The lateral baffle plate setting is useful
In the mesh and hook of uniform air flow, the hook and the snap groove snapping.
Further, the lateral chilling roller baffle and intermediate chilling roller baffle are the felt plate for preventing chilling roller to be scraped off.
Further, it is enclosed between the thermal insulation board and the die head of casting apparatus and is set as heat-insulation chamber.
The beneficial effects of the utility model are: in practical applications, it is only necessary to which an extractor fan is just real by exhaust column
Now the first, second vacuum chamber is evacuated, system structure is simple, and energy consumption is lower, and device internal gas flow circulation is preferable, effectively
It takes the high-temperature oil smoke and gas generated in production process away, reduces oil droplets cool；In addition, the distant bar by splitter cavity can control
The movement of air-flow plate, and then the exhausting amount of the first, second vacuum chamber can be adjusted according to the requirement of different process；Chilling roller gear
Plate uses felt plate, can effectively prevent chilling roller and is scraped off, practical；It is designed using dual cavity negative pressure air draft apparatus, makes film
It is preferably attached to chilling roller surface, improves the uniformity of film, reduces air gap and constriction and stabilizing films edge；In die head
Heat-insulation chamber is provided between negative pressure air draft apparatus, the heat for reducing high temperature die head is transmitted to negative pressure air draft apparatus, is effectively subtracted
The thermal deformation of negative pressure air draft apparatus is lacked.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the structure overall schematic of the utility model.
Fig. 2 is sealing plate and the structural schematic diagram after the decomposition of air draught cover in Fig. 1.
Fig. 3 is the three dimensional structure diagram of the utility model splitter cavity.
Specific embodiment
As shown in Figure 1, 2, 3, a kind of casting apparatus negative pressure air draft apparatus, including air draught cover 1, it is set to the suspended hood
The exhaust column 2 of body 1 and the extractor fan being connect with the exhaust column 2.Splitter cavity 9, the first vacuum are provided in the air draught cover 1
Chamber 3 and the second vacuum chamber 4, the splitter cavity 9 are connected with exhaust column 2, the first vacuum chamber 3 and the second vacuum chamber 4 respectively.
In practical applications, extractor fan by exhaust column 2 to being vacuumized in air draught cover 1, after splitter cavity 9
It is divided into two parts, the first vacuum chamber 3, the second vacuum chamber 4 is vacuumized respectively.Second vacuum chamber 4 can remove chilling roller surface
Residual bubble and high-temperature oil smoke, reduce the gas-bearing formation shaping area between molten polymer and chilling roller.First vacuum chamber 3 can be stablized thin
Air gap and constriction and stabilizing films edge are reduced in film shaping area, improve the molding effect and quality of plastic film, reduce waste product
Rate.
In the implementation case, the air draught cover 1 includes mounting rack 5, the lateral baffle with the adjustable installation of the mounting rack 5
6, it is actively set to the lateral chilling roller baffle 19 of the lateral baffle 6, mounting plate 8, thermal insulation board 7, is fixed on 9 bottom of splitter cavity
Middle partition 22, intermediate chilling roller baffle 25 and the both sides sealing plate 15 being adjustably mounted on middle partition 22.The lateral baffle
6, lateral chilling roller baffle 19, middle partition 22, intermediate chilling roller baffle 25 enclose with splitter cavity 9 and are set as first vacuum chamber 3, it is described every
Hot plate 7, mounting plate 8, middle partition 22, intermediate chilling roller baffle 25 enclose with splitter cavity 9 and are set as the second vacuum chamber 4.
A shunting bracket 101 is fixedly installed in the air draught cover 1, under the bottom surface and two sides that shunt bracket 101
Portion is fixed with sealing plate 102, and the splitter cavity 9 is formed between sealing plate 102 and the air draught cover 1.The top of splitter cavity 9 with
The exhaust column 2 is connected to, and the two sides top of splitter cavity 9 is respectively equipped with to be connected with first vacuum chamber 3 and the second vacuum chamber 4
First logical the 103, second opening 104 of opening.
Further, it is also equipped with the identical regulating mechanism of two nested structures in the splitter cavity 9, is respectively used to adjust institute
State the openings of sizes of the first opening 103, second opening 104.The regulating mechanism includes guide groove 29, air-flow plate 12 and rocking bar
13.Guide groove 29 is equipped with two, is separately fixed at and shunts on bracket 101 and be located on both sides of the opening.12 liang of air-flow plate
Side is nested in guide groove, and rack gear 11 is fixed on air-flow plate 12, and 13 both ends of rocking bar are mounted on described by bearing 14
On the sealing plate 15 of air draught cover.The gear 10 being meshed with the rack gear 11 is installed on rocking bar 13.In practical applications,
The openings of sizes of the first opening 103, second opening 104 can be adjusted according to the requirement of different process, particular by rotation
The distant bar 13 for turning corresponding adjusting mechanism, can be such that air-flow plate 12 moves up and down along guide groove 29, and then change the first opening
103 or second the aperture size on 104 tops of opening make it to change the exhausting amount of the first vacuum chamber 3 or the second vacuum chamber 4
Adapt to different technique requirements.
It is connect specifically, lateral baffle 6 adjusts bolt 1 by lateral baffle with mounting rack 5.
In the implementation case, the air draught cover 1 further includes the chilling roller baffle mounting plate 18 for being fixed on lateral baffle 6,
The lateral chilling roller baffle 19 adjusts bolt 17 by chilling roller baffle and connect with the chilling roller baffle mounting plate 18.
Specifically, lateral chilling roller baffle 19 is soft felt plate, chilling roller quilt can be prevented in installation and use process
It scratches, the mounting height of lateral chilling roller baffle 19 can neatly be adjusted by adjusting bolt 17 by the chilling roller baffle, be adapted it to
The chilling roller of different sizes.
In the implementation case, the intermediate chilling roller baffle 25 adjusts bolt 26 and the interval by intermediate chilling roller baffle
Plate 2 connects.The middle partition 22 is provided with snap groove 23 and the oil-containing groove 24 for accepting the oil droplet that top drops down.It is described
Lateral baffle 6 is provided with mesh 20 and hook 21 for uniform air flow, the hook 21 and 23 snapping of snap groove.Air-flow
When flowing in the first vacuum chamber 3, after mesh, air-flow becomes more uniform stabilization, is more uniformly stressed film, guarantees
Film quality.Hook 21 and 23 snapping of snap groove, enable lateral baffle 6 and entire air draught cover 1 more stable.
Specifically, intermediate chilling roller baffle 25 is soft felt plate, chilling roller quilt can be prevented in installation and use process
It scratches, the mounting height of intermediate chilling roller baffle can neatly be adjusted by adjusting bolt 26 by intermediate chilling roller baffle, be adapted it to
The chilling roller of different sizes.
In the implementation case, is enclosed between the thermal insulation board 7 and the die head 28 of casting apparatus and be set as heat-insulation chamber 27, reduced
The heat of high temperature die head is transmitted to negative pressure air draft apparatus, is effectively reduced the thermal deformation of negative pressure air draft apparatus, is avoided negative-pressure air-suction
Device collides chilling roller.
The above content is only to illustrate the technical solution of the utility model, rather than the limitation to invention protection scope, ability
The simple modification or equivalent replacement that the those of ordinary skill in domain carries out the technical solution of the utility model, all without departing from this reality
With novel spirit and scope.
Claims (9)
1. a kind of casting apparatus air intake device, including air draught cover (1), the exhaust column (2) being set on the air draught cover (1)
And the extractor fan being connect with the exhaust column (2), the air draught cover (1) is interior to be provided with the first vacuum chamber (3) and the second vacuum
Chamber (4), it is characterised in that: is additionally provided with a splitter cavity (9) in the air draught cover (1), splitter cavity (9) respectively with exhaust column (2),
First vacuum chamber (3) and the second vacuum chamber (4) are connected.
2. casting apparatus air intake device according to claim 1, it is characterised in that: fixed in the air draught cover (1)
One shunting bracket (101) is installed, the bottom surface and two sides lower part for shunting bracket (101) are fixed with sealing plate (102), sealing plate
(102) it is formed between the air draught cover (1) splitter cavity (9), the top and the exhaust column (2) of splitter cavity (9) are even
Logical, the two sides top of splitter cavity (9) is respectively equipped with the to be connected with first vacuum chamber (3) and the second vacuum chamber (4)
One opening (103), the second opening (104).
3. casting apparatus air intake device according to claim 2, it is characterised in that: also installed in the splitter cavity (9)
There are two sets for adjusting the regulating mechanism of first opening, the second openings of sizes, regulating mechanism includes guide groove (29), air quantity
Adjustable plate (12) and rocking bar (13), guide groove (29) are equipped with two, are separately fixed at and shunt on bracket (101) and be located at described open
Mouth two sides, air-flow plate (12) two sides are nested in guide groove, and rack gear (11), rocking bar are fixed on air-flow plate (12)
(13) both ends are mounted on the air draught cover (1) by bearing (14), are equipped on rocking bar (13) and the rack gear (11)
The gear (10) being meshed.
4. casting apparatus air intake device according to claim 1, it is characterised in that: the air draught cover (1) includes peace
(5) are shelved, the lateral baffle (6) of installation is adjusted with the mounting rack (5), is actively set to the lateral of the lateral baffle (6)
Chilling roller baffle (19), thermal insulation board (7), the middle partition (22) for being fixed on splitter cavity (9) bottom, is adjustably installed mounting plate (8)
Intermediate chilling roller baffle (25) and both sides sealing plate (15) on middle partition (22)；
The lateral baffle (6), lateral chilling roller baffle (19), middle partition (22), intermediate chilling roller baffle (25) are enclosed with splitter cavity (9)
Be set as first vacuum chamber (3), the thermal insulation board (7), mounting plate (8), middle partition (22), intermediate chilling roller baffle (25) with point
Stream chamber (9), which encloses, is set as the second vacuum chamber (4).
5. casting apparatus air intake device according to claim 4, it is characterised in that: the lateral baffle (6) passes through side
Bolt (16) are adjusted to baffle to connect with the mounting rack (5).
6. casting apparatus air intake device according to claim 4, it is characterised in that: the air draught cover (1) further includes
It is fixed on the chilling roller baffle mounting plate (18) of lateral baffle (6), the lateral chilling roller baffle (19) adjusts spiral shell by chilling roller baffle
Bolt (17) is connect with the chilling roller baffle mounting plate (18).
7. casting apparatus air intake device according to claim 4, it is characterised in that: the intermediate chilling roller baffle (25) is logical
It crosses intermediate chilling roller baffle adjusting bolt (26) to connect with the middle partition (22), the middle partition (22) is provided with snap groove (23)
With the oil-containing groove (24) for accepting the oil droplet that top drops down；
The lateral baffle (6) be provided with for uniform air flow mesh (20) and hook (21), the hook (21) with it is described
Snap groove (23) snapping.
8. casting apparatus air intake device according to claim 4, it is characterised in that: the lateral chilling roller baffle (19) and
Intermediate chilling roller baffle (25) is the felt plate for preventing chilling roller to be scraped off.
9. according to casting apparatus air intake device described in any one of claim 4-8 claim, it is characterised in that: it is described every
It is enclosed between hot plate (7) and the die head (28) of casting apparatus and is set as heat-insulation chamber (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821616136.5U CN209207848U (en) | 2018-09-30 | 2018-09-30 | Casting apparatus air intake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821616136.5U CN209207848U (en) | 2018-09-30 | 2018-09-30 | Casting apparatus air intake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209207848U true CN209207848U (en) | 2019-08-06 |
Family
ID=67455289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821616136.5U Active CN209207848U (en) | 2018-09-30 | 2018-09-30 | Casting apparatus air intake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209207848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130043A (en) * | 2018-09-30 | 2019-01-04 | 广东省智能制造研究所 | A kind of casting apparatus air intake device |
-
2018
- 2018-09-30 CN CN201821616136.5U patent/CN209207848U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130043A (en) * | 2018-09-30 | 2019-01-04 | 广东省智能制造研究所 | A kind of casting apparatus air intake device |
| CN109130043B (en) * | 2018-09-30 | 2024-02-20 | 广东省智能制造研究所 | Air suction device for casting equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510070 Building No. 15, compound 100, martyrs Road, Guangzhou, Guangdong Patentee after: Institute of intelligent manufacturing, Guangdong Academy of Sciences Address before: 510070 Building No. 15, compound 100, martyrs Road, Guangzhou, Guangdong Patentee before: GUANGDONG INSTITUTE OF INTELLIGENT MANUFACTURING |