CN2654327Y - Polyethylene coiled material foaming equipment - Google Patents

Polyethylene coiled material foaming equipment Download PDF

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Publication number
CN2654327Y
CN2654327Y CN 03270700 CN03270700U CN2654327Y CN 2654327 Y CN2654327 Y CN 2654327Y CN 03270700 CN03270700 CN 03270700 CN 03270700 U CN03270700 U CN 03270700U CN 2654327 Y CN2654327 Y CN 2654327Y
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CN
China
Prior art keywords
section
foaming
coiled material
heater
foaming machine
Prior art date
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Expired - Lifetime
Application number
CN 03270700
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Chinese (zh)
Inventor
陈海文
张征辉
熊正明
胡继民
陈兴茂
常晋生
张志凯
冯翊
樊泽华
刘学东
李兴邦
宋彩霞
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China Institute for Radiation Protection
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China Institute for Radiation Protection
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Abstract

The utility model provides a foaming machine for polyethylene coiled materials, relating to a producing machine for the foaming polyethylene coiled materials. The preheating is fully done in the preheating section without foaming, and the foaming is fully and evenly done without being easily snapped in the foaming section via dividing the heating device into a horizontal preheating section (6), and a vertical foaming section (7), so the utility model is especially suitable for manufacturing thin type products, in addition, since a clapboard (8) and a hot air apparatus (9) are positioned, the temperature field of the whole heating device is reasonably arranged, and the products with 0.6 to 8 mm thickness, and five to forty foam expansion can be manufactured.

Description

Polyethylene coiled material foaming machine
Technical field
The utility model relates to a kind of preparation equipment of polyethylene foam coiled material, is specifically related to a kind of heater of polyethylene coiled material foaming machine.
Background technology
In polyethylene foam coiled material production process, require heating region uniform distribution of temperature field, reasonable, so that uniform in foaming, abundant, thereby dealing with various requirements.
At present, domestic and international disclosed foaming machine mainly contains following four kinds: bath of liquid floatation type, air-cushion type, woven wire formula and vertical descending manner.Its operation principle all is by heating blowing agent to be decomposed in firing equipment, causes base material and expands, thereby reach the purpose of producing expanded material.
In the middle of disclosed these foaming machines, all exist such-and-such defective.Bath of liquid floatation type equipment in use expends great amount of water resources, and exists because the heat medium volatilization causes the ropy problem of Foam Plastic Surface of environmental pollution, production.Air-cushion type equipment then exists too big, the uneconomic problem of energy consumption.And bath of liquid floatation type, air-cushion type also all are unsuitable for producing slim product.The problem that woven wire formula equipment exists is: whole heater is in horizontal segment, and sheet material drags by woven wire all the time, owing to volumetric expansion, sticking net and self adhesion phenomenon very easily takes place, thereby cause it can not be used for preparing slim product during the sheet material foaming.Though vertically descending manner equipment has overcome the adhesion problems of woven wire formula equipment, can be used for producing slim product, because whole foam sheet is in vertical section, foam sheet causes longitudinal stretching easily owing to himself gravity effect, even breaks.
And slim polyethylene foam coiled material has purposes very widely, therefore is necessary to develop a kind of foaming machine that can be used for preparing slim polyethylene foam coiled material.
Summary of the invention
The purpose of this utility model is to disclose low, pollution-free, the especially suitable polyethylene coiled material foaming machine of producing slim foaming coiled material of a kind of energy consumption.
A kind of polyethylene coiled material foaming machine, advance sheet draw-gear, heater, cooling device, measuring thickness device, slice draw-gear and wrap-up that it is included are put in turn,, be characterized in: heater is divided into horizontal preheating section and vertically foaming section, and is continuous housing; Horizontal preheating section is provided with the holder net; Vertically foaming section exit is provided with flattening device.
For the temperature of controlling in the foaming machine rationally distributes, the utility model is provided with extractor fan in the bottom of vertically foaming section; As transition region, and be provided with hot air apparatus in the terminal narrowed width of vertically foaming section; Be provided with dividing plate and hot air apparatus between horizontal preheating section and the vertically foaming section; In addition, be provided with the burning net arrangement in horizontal preheating section import department.
During this equipment of use, the sheet material foaming is in vertical section, is free deployed condition, sticking net phenomenon neither can occur, can realize that again foaming fully; And regenerator section is in horizontal segment, has alleviated vertical section weight greatly, thereby has reduced longitudinal stretching, has reduced the possibility of sheet material being broken because of the gravity effect.Therefore, be suitable for producing slim product.Adopt the horizontal preheating and the vertical segmented mode of foaming, can accomplish that the preheating section preheating fully and not foams, the foaming of foaming section fully and evenly, sticking net, be difficult for breaking.And this equipment can adopt modes such as electrical heating, Far-infrared Heating, and energy consumption is low, pollution-free.
The extractor fan that the bottom of vertically foaming section is provided with, the negative pressure of formation foaming section bottom avoids occurring convection current substantially during work; The terminal transition region of vertically foaming section and the setting of hot air apparatus can stop extraneous air to enter the foaming section; The dividing plate and the hot air apparatus that are provided with between horizontal preheating section and vertically foaming section have weakened the hot-air exchange between the two greatly; The effect that net arrangement burns in horizontal preheating section import department is may to burn by bonding sheet material online, with the rapid cleaning guipure, guarantees operation normally; At the flattening device that the exit of vertically foaming section is provided with, realized under smooth state, carrying out cooling and shaping behind the hot foam sheet plug for outlet.
Description of drawings
Accompanying drawing is radiation polyethylene foam volume foaming machine principle schematic, wherein: 1. treat foam sheet, 2. advance the sheet draw-gear, 3. swelling device, 4. burn net arrangement, 5. holder net, 6. heating plate (rod), 7. horizontal preheating section, 8. vertically foaming section, 9. thermal insulation board, 10. hot air apparatus, 11. extractor fans, 12. transition regions, 13. flattening devices, 14. water cooling plants, 15. air cooling equipments, 16. slice draw-gears, 17. wrap-ups, 18. measuring thickness devices.
The specific embodiment
The utility model is described in further detail below in conjunction with embodiment.
Polyethylene coiled material foaming machine, comprise into sheet draw-gear 2, swelling device 3, holder net 5, heater, flattening device 13, cooling device 14,15, measuring thickness device 18, slice draw-gear 16, wrap-up 17, and put in turn, wherein heater is a core apparatus, and being divided into horizontal preheating section 7 and vertical bringing-up section 8, is a continuous housing; Be provided with holder net 5 in the horizontal preheating section 7, its end that enters horizontal preheating section 7 will enter into the junction of horizontal preheating section 7 and vertically foaming section 8, enters behind the holder net 5 in the vertical foaming sections 8 so that sheet material leaves; Vertically foaming section 8 exits are provided with flattening device 13.This segmental structure of heater can make sheet material fully and not foam in the preheating section preheating, fully, evenly, glues net in the foaming of foaming section, and can not occur tensile phenomenon because of deadweight.
In order to realize the reasonable distribution of temperature in the whole heater, this equipment has also designed following structure: be provided with thermal insulation board 9 at the end of horizontal preheating section 7 and the top of vertically foaming section 8, be provided with hot air apparatus 10 at vertical foaming section 8 tops, produce exchange with the hot-air that stops the hot-air in the horizontal preheating section 7 and the section 8 that vertically foams; Bottom in vertically foaming section 8 is provided with narrow transition region 12, and is provided with hot air apparatus 10 in the exit of transition region 12, to reduce or to prevent that extraneous air from entering in the vertical foaming section 8; Be provided with extractor fan 11 at vertically foaming section 8 positions that are about to narrow down, make vertical foaming section 8 bottoms produce negative pressure during work, form suitable temperature gradient distribution, simultaneously even for exhausting, the partial design that extractor fan 11 enters vertical foaming section 8 is uniform the circulating line of aperture.These designs can make the temperature in a certain zone of foaming machine be controlled effectively.Coiled material after the foaming is wide and thin sheet products, can occur the phenomenon of curling adhesion after coming out from transition region 12, and the flattening device 13 that is provided with in the bottom of transition region 12 has prevented this phenomenon.This flattening device 13 is a pair of roller that cold water is housed.
During use, according to foaming machine vertically the height of the section of foaming 8 horizontal preheating section 7 is placed on the corresponding work platform, and will advance sheet draw-gear 2 and swelling device 3 is successively placed on horizontal preheating section 7 fronts, to ask net 5 to be put between swelling device 3 and the horizontal preheating section 7 then, put water cooling plant 14, air cooling equipment 15, slice draw-gear 16 and wrap-up 17 successively in the back of flattening device 13 again.Associated machine is opened, and be controlled at the temperature of foaming machine temperature required.Like this, the horizontal preheating section 6 that the coiled material 1 of waiting to foam will be under the traction of advancing sheet draw-gear 2 enters heater by trawlnet 4 is finished preheating, and finish foaming by the vertical foaming section 8 of foaming machine subsequently, enter on the wrap-up 17 through apparatus for supercooling 14,15 and 16 tractions of slice draw-gear then.The effect of swelling device 3 is to make holder net 5 operate as normal.The thermal source of this equipment can be an electricity, by electric heating sheets (rod) 6 heating sheet materials, also can select Far-infrared Heating.
This equipment of use, and can to produce thickness in conjunction with related process be 5~40 polyethylene foam product in 0.6~8mm, coefficient of foaming.

Claims (8)

1. polyethylene coiled material foaming machine, advance sheet draw-gear (2), heater, cooling device (14), (15), measuring thickness device (16), slice draw-gear (17) and wrap-up (18) that it is included are put in turn, it is characterized in that: heater is divided into horizontal preheating section (7) and vertically foaming section (8), and is continuous housing; Be provided with holder net (5) in the horizontal preheating section (7); Vertically foaming section (8) exit is provided with flattening device (13).
2. polyethylene coiled material foaming machine as claimed in claim 1 is characterized in that: the heater vertically end of the section of foaming (8) is provided with extractor fan (11).
3. polyethylene coiled material foaming machine as claimed in claim 2 is characterized in that: extractor fan (11) is the circulating line that is provided with uniform small pores in the part that enters vertical foaming section (8).
4. polyethylene coiled material foaming machine as claimed in claim 1 or 2 is characterized in that: the heater vertically top and the exit of the section of foaming (8) is provided with hot air apparatus (10).
5. polyethylene coiled material foaming machine as claimed in claim 1 or 2 is characterized in that: the terminal and vertical foaming section of the horizontal preheating section of heater (7) (a 8) top is provided with dividing plate (9).
6. polyethylene coiled material foaming machine as claimed in claim 1 or 2 is characterized in that: vertically the end of bringing-up section (8) connects the narrower transition region of a width (12).
7. polyethylene coiled material foaming machine as claimed in claim 1 or 2 is characterized in that: advance between sheet draw-gear (2) and the holder net (5) to be provided with swelling device (3), the import department of the horizontal preheating section of heater (7) is provided with burns net arrangement (4).
8. polyethylene coiled material foaming machine as claimed in claim 1 or 2 is characterized in that: flattening device (13) is a pair of bowed roller that is connected with recirculated cooling water.
CN 03270700 2003-08-14 2003-08-14 Polyethylene coiled material foaming equipment Expired - Lifetime CN2654327Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03270700 CN2654327Y (en) 2003-08-14 2003-08-14 Polyethylene coiled material foaming equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03270700 CN2654327Y (en) 2003-08-14 2003-08-14 Polyethylene coiled material foaming equipment

Publications (1)

Publication Number Publication Date
CN2654327Y true CN2654327Y (en) 2004-11-10

Family

ID=34330580

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 03270700 Expired - Lifetime CN2654327Y (en) 2003-08-14 2003-08-14 Polyethylene coiled material foaming equipment

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CN (1) CN2654327Y (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100420563C (en) * 2004-12-31 2008-09-24 浙江交联电缆有限公司 Irradiated crosslinked polyalkene foaming equipment
CN102672872A (en) * 2012-05-25 2012-09-19 宁波高新区辉门科技有限公司 Electronic irradiating crosslinked polyethylene foaming machine
CN102756449A (en) * 2012-07-27 2012-10-31 山东泰山金润塑胶制品有限公司 Expander for perpendicular cross-linked polyolefin foaming furnace
CN103223704A (en) * 2013-04-03 2013-07-31 宁波高新区辉门科技有限公司 Chemically cross-linked polyethylene foam device
CN105619684A (en) * 2016-03-16 2016-06-01 浙江润阳新材料科技股份有限公司 Foaming furnace adopting multi-stage heating mode
CN111703005A (en) * 2020-05-22 2020-09-25 浙江润阳新材料科技股份有限公司 Foaming preheating device for strip-shaped high polymer material

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100420563C (en) * 2004-12-31 2008-09-24 浙江交联电缆有限公司 Irradiated crosslinked polyalkene foaming equipment
CN102672872A (en) * 2012-05-25 2012-09-19 宁波高新区辉门科技有限公司 Electronic irradiating crosslinked polyethylene foaming machine
CN102672872B (en) * 2012-05-25 2014-08-20 宁波高新区辉门科技有限公司 Electronic irradiating crosslinked polyethylene foaming machine
CN102756449A (en) * 2012-07-27 2012-10-31 山东泰山金润塑胶制品有限公司 Expander for perpendicular cross-linked polyolefin foaming furnace
CN102756449B (en) * 2012-07-27 2014-11-05 山东泰山金润塑胶制品有限公司 Expander for perpendicular cross-linked polyolefin foaming furnace
CN103223704A (en) * 2013-04-03 2013-07-31 宁波高新区辉门科技有限公司 Chemically cross-linked polyethylene foam device
CN103223704B (en) * 2013-04-03 2015-10-28 宁波高新区辉门科技有限公司 A kind of processes for chemically crosslinked polyethylene foaming machine
CN105619684A (en) * 2016-03-16 2016-06-01 浙江润阳新材料科技股份有限公司 Foaming furnace adopting multi-stage heating mode
CN105619684B (en) * 2016-03-16 2018-03-20 浙江润阳新材料科技股份有限公司 A kind of Multi-stage heating foaming furnace
CN111703005A (en) * 2020-05-22 2020-09-25 浙江润阳新材料科技股份有限公司 Foaming preheating device for strip-shaped high polymer material

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CX01 Expiry of patent term

Expiration termination date: 20130814

Granted publication date: 20041110