CN203726666U - Cast film recovery device - Google Patents
Cast film recovery device Download PDFInfo
- Publication number
- CN203726666U CN203726666U CN201420002976.8U CN201420002976U CN203726666U CN 203726666 U CN203726666 U CN 203726666U CN 201420002976 U CN201420002976 U CN 201420002976U CN 203726666 U CN203726666 U CN 203726666U
- Authority
- CN
- China
- Prior art keywords
- old material
- discharge pipe
- material discharge
- cavity
- casing
- 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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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Air Transport Of Granular Materials (AREA)
Abstract
The utility model discloses a cast film recovery device which comprises a box body, wherein a waste material conveying pipeline is communicated to the upper side of the box body; a waste material discharging pipeline is arranged in the box body; a conveying screw rod for conveying powder is arranged in the waste material discharging pipeline; the waste material discharging pipeline is provided with an expanded opening; a shield is arranged outside the waste material discharging pipeline; an opening is formed in the shield; a base is arranged below the box body; a cavity is formed on the base and is connected to a compressed air source; on one side of the waste material discharging pipeline, in the shield is provided with a nozzle communicated with the cavity. By spraying waste materials in the box body into the discharging pipeline with the expanded opening, the recovery device disclosed by the utility model can guarantee that the waste materials entering the discharging pipelines are basically uniform small-particle waste materials because the small-particle waste materials can float on upper layer easily, so that the uniformity of the waste materials in the conveying screw rod and the stability of extruded waste materials are guaranteed.
Description
Technical field
The utility model relates to casting films leftover material recycling device.
Background technology
In process of production, rim charge can be cut away after pulverizing this casting films equipment online, is transported to after extruder hopper and virgin material mix and is entered extruder again by blower fan.This hopper is double-decker, skin is virgin material, and internal layer is powder, and the powder that blower fan is carried enters internal layer hopper by cyclone separator, because powder is low weight, therefore in the middle of internal layer hopper, there is a compacting screw that powder is extruded into extruder charging aperture and virgin material mixing.As shown in Figure 1: 1 is extruder, 2 is powder compacting screw, and 3 is the powder delivering pipe after fragmentation, and 4 be cyclone separator, 5 discharge pipes that are cyclone separator, and 6 internal layers that are hopper, storage powder, 7 is hopper skin.
The defect that this device exists is in the time that rim charge width changes, the powder that is transported to hopper also can change, the bulk density that compacting screw is extruded into the powder of extruder charging aperture also can change, cause the thickness of film unstable, and in the time that powder is too much, powder also can be put up a bridge and cause blanking not smooth at extruder charging aperture.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of casting films leftover material recycling device, has realized the quantitative conveying of powder, has realized the stable of extrusion capacity.
The utility model is achieved by the following technical solution: casting films retracting device, comprise the old material discharge pipe that is communicated with extruder and the virgin material discharge pipe adjacent with described old material discharge pipe, also comprise casing, be communicated with old material conveying tube road at described casing upside, described old material discharge pipe is arranged at described box house, in described old material discharge pipe, be provided with the conveying screw rod for delivery of powder, described conveying screw rod comprises the diminishing First of flight pitch connecting successively, diminishing the 3rd of second of expanding gradually of flight pitch and flight pitch, described old material discharge pipe has the opening of expansion, be outside equipped with guard shield at described old material discharge pipe, described guard shield arranges opening, described casing below arranges base, on described base, cavity is set, described cavity is connected with a compressed gas source, in described guard shield, be positioned at described old material discharge pipe one side and be provided with the valve being communicated with described cavity, one refrigerating plant is set in described cavity, described old material discharge pipe is by described cavity.
In technique scheme, described old material conveying tube road is connected with described casing by a cyclone separator.
In technique scheme, described the 3rd and described second 's hand of spiral is contrary.
The utlity model has following beneficial effect: the old material that the utility model clings in casing by nozzle is ejected in the discharge pipe with enlarged openings, because short grained old material is more prone to float to upper strata, therefore the old material that has ensured to enter in discharge pipe is the old material of uniform granule substantially, ensured old material in conveying screw rod evenly, ensured to extrude the stable of old material.
Brief description of the drawings
Fig. 1 is the schematic diagram of traditional structure.
Fig. 2 is the utility model structural representation.
Fig. 3 is the structural representation of guard shield.
Fig. 4 is the structural representation of conveying screw rod in the utility model.
Detailed description of the invention
Below the utility model is described in further detail, referring to Fig. 2 to Fig. 4, a kind of casting films retracting device, comprise the old material discharge pipe 2 that is communicated with extruder and the virgin material discharge pipe 4 adjacent with described old material discharge pipe 2, also comprise casing 1, be communicated with old material conveying tube road 7 at described casing 1 upside, described old material discharge pipe 2 is arranged at described casing 1 inside, in described old material discharge pipe 2, be provided with the conveying screw rod 8 for delivery of powder, described conveying screw rod 8 comprises the diminishing First 80 of flight pitch connecting successively, diminishing the 3rd 82 of second 81 of expanding gradually of flight pitch and flight pitch, First screw thread charging place flight pitch maximum, old material easily enters thread groove, bearing capacity is large, old material fully enters dispersion in second 81 after mixing in diminishing thread groove again after being entered by First again, after disperseing in second 81, in the 3rd 82, again mix gradually again, entered the operation of disperseing mixing, ensured that old material can fully mix.Preferably, the hand of spiral in the hand of spiral in the 3rd 82 and second 81 is contrary, further ensures mixed effect.
Described old material discharge pipe 2 has the opening of expansion, be outside equipped with guard shield 3 at described old material discharge pipe 2, described guard shield 3 arranges opening 30, described casing 1 below arranges base 5, on described base 5, cavity 51 is set, described cavity 51 is connected with a compressed gas source, is positioned at described old material discharge pipe 2 one sides and is provided with the valve 9 being communicated with described cavity 51 in described guard shield 3.The interior refrigerating plant 6 that arranges of described cavity 51, described old material discharge pipe 2 is by described cavity 51.
Described old material conveying tube road 7 is connected with described casing by a cyclone separator 70, by described cyclone separator 40, the powder passing in casing is carried out to initial gross separation, to filter the larger waste material of larger particles and corner wherein, ensure old material carry waste material in funnel evenly.After falling, old material enters into guard shield 3 by the opening 30 of guard shield 3 interior near near valve 9, the air-flow spraying by the valve 9 old material of kicking up, guard shield 3 arranges the baffle plate 31 that bends inwards and old material conveying tube road 2 opening in opening 30 upper ends forms the passage passing through for old material, due to the setting of guard shield 3, old material need to prevent that a large amount of old material are blocked in the passage that old material passes through by kicking up by entering valve 9 after opening 30 again.
When use, by described old material conveying tube road 2, the leftover pieces (being old material) after pulverizing are conveyed into described casing 1, compressed gas source starts, compressed air is kicked up the old material in casing 1 by valve, old material strikes the opening that falls into discharge pipe 2 upper ends after guard shield 3, because tiny particle is easily kicked up, the old material granular size that therefore drops into discharge nozzle porch is substantially close, and therefore the old material in conveying screw rod 8 is more even.After mixing, the virgin material of old material after carrying by conveying screw rod 8 and in virgin material discharge pipe 4 enter extruder.
In described cavity 51, insert a refrigerating plant 6, compressed air is lowered the temperature after refrigerating plant 6, discharge by valve 9, in the old material of kicking up, old material is lowered the temperature, reduce old material frictional heating in conveying screw rod 8, the danger of the thermal decomposition in course of conveying is less, and described old material discharge pipe 2 is by described cavity 51 inside, refrigerating plant 6 can be lowered the temperature to the discharge pipe 2 in cavity 2 simultaneously, more reduced the danger of old material thermal decomposition in conveying screw rod 8.
Claims (3)
1. casting films retracting device, comprise the old material discharge pipe (2) that is communicated with extruder and the virgin material discharge pipe (4) adjacent with described old material discharge pipe (2), it is characterized in that: also comprise casing (1), be communicated with old material conveying tube road (7) at described casing (1) upside, described old material discharge pipe (2) is arranged at described casing (1) inside, in described old material discharge pipe (2), be provided with the conveying screw rod (8) for delivery of powder, described conveying screw rod (8) comprises the diminishing First of flight pitch (80) connecting successively, diminishing the 3rd (82) of second (81) that flight pitch expands gradually and flight pitch, described old material discharge pipe (2) has the opening of expansion, be outside equipped with guard shield (3) at described old material discharge pipe (2), described guard shield (3) arranges opening (30), described casing (1) below arranges base (5), cavity (51) is set on described base (5), described cavity (51) is connected with a compressed gas source, in described guard shield (3), be positioned at described old material discharge pipe (2) one sides and be provided with the valve (9) being communicated with described cavity (51), one refrigerating plant (6) is set in described cavity (51), described old material discharge pipe (2) is by described cavity (51).
2. casting films retracting device as claimed in claim 1, is characterized in that: described old material conveying tube road (7) is connected with described casing (1) by a cyclone separator (70).
3. casting films retracting device as claimed in claim 1, is characterized in that: the hand of spiral of described the 3rd (82) and described second (81) is contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420002976.8U CN203726666U (en) | 2013-12-28 | 2014-01-03 | Cast film recovery device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320872801 | 2013-12-28 | ||
| CN201320872801.8 | 2013-12-28 | ||
| CN201420002976.8U CN203726666U (en) | 2013-12-28 | 2014-01-03 | Cast film recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203726666U true CN203726666U (en) | 2014-07-23 |
Family
ID=51196770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420002976.8U Expired - Fee Related CN203726666U (en) | 2013-12-28 | 2014-01-03 | Cast film recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203726666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707438A (en) * | 2013-12-28 | 2014-04-09 | 浙江金瑞薄膜材料有限公司 | Cast film recycling device |
-
2014
- 2014-01-03 CN CN201420002976.8U patent/CN203726666U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707438A (en) * | 2013-12-28 | 2014-04-09 | 浙江金瑞薄膜材料有限公司 | Cast film recycling device |
| CN103707438B (en) * | 2013-12-28 | 2016-05-04 | 浙江金瑞薄膜材料有限公司 | A kind of casting films retracting device |
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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: 20140723 Termination date: 20200103 |