CN105751422A - Foaming furnace - Google Patents
Foaming furnace Download PDFInfo
- Publication number
- CN105751422A CN105751422A CN201610300007.4A CN201610300007A CN105751422A CN 105751422 A CN105751422 A CN 105751422A CN 201610300007 A CN201610300007 A CN 201610300007A CN 105751422 A CN105751422 A CN 105751422A
- Authority
- CN
- China
- Prior art keywords
- heater
- foam sheet
- furnace
- foaming
- foaming furnace
- 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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/203—Expanding the moulding material in a vertical channel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/26—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length using several expanding steps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/28—Expanding the moulding material on continuous moving surfaces without restricting the upwards growth of the foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or cooling
Abstract
The invention discloses a foaming furnace which comprises a horizontal furnace and a vertical furnace, wherein a foamed sheet is fed through the horizontal furnace and the vertical furnace in sequence so as to be heated and foamed; the vertical furnace is arranged below the horizontal furnace; the vertical furnace comprises a furnace body of which the inlet is communicated with the outlet of the horizontal furnace, a heating device and an unfolding device; the heating device is arranged inside the furnace body so as to form a heating field through which the foamed sheet passes; the unfolding device comprises at least one pair of unfolding rollers which are arranged inside the furnace body so as to clamp and unfold the foamed sheet, and a sucking mechanism which is arranged at the outlet of the furnace body so as to suck and unfold the foamed sheet. According to the foaming furnace disclosed by the invention, via cooperation between the unfolding rollers and the sucking mechanism inside the vertical furnace, the foamed sheet can be relatively well unfolded and can be relatively completely and uniformly foamed, the product quality can be improved, the production capacity can be increased, and the purpose of energy conservation can be achieved.
Description
Technical field
The present invention relates to a kind of foaming furnace, particularly relate to a kind of foaming furnace for crosslinking polyolefin foaming.
Background technology
At present, crosslinking polyolefin foaming stove mostly forms with horizontal stove and vertical furnace, and whole foaming furnace is angle square shape.The sheet material of cross-linked polyolefin passes sequentially through horizontal stove and vertical furnace is heated foaming after unreeling, finally exports rolling from vertical furnace.
In existing foaming furnace, sheet material enters vertical furnace in a vertical manner from horizontal stove under gravity, wherein further by heat foamable.Owing to vertical furnace being not provided with conveying roller etc., it is difficult to avoid sheet material that the situations such as pleat rises occur wherein so that foaming not exclusively, uniformly, affects the foaming quality of sheet material.
Summary of the invention
The technical problem to be solved in the present invention is in that, it is provided that a kind of improve product quality and energy-conservation foaming furnace.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of foaming furnace, passes sequentially through including for foam sheet with by the horizontal stove of heat foamable and vertical furnace, and described vertical furnace is arranged on the lower section of described horizontal stove；Described vertical furnace includes the body of heater of horizontal stove outlet, heater and expanding unit described in inlet communication；
Described heater is arranged in described body of heater, to form the heating field that a described foam sheet of confession passes through in described body of heater；Described expanding unit includes being arranged in described body of heater with at least one pair of expansion roller that the clamping of described foam sheet is launched and is arranged on the outlet of described body of heater so that described foam sheet to carry out the adsorbing mechanism that absorption launches.
Preferably, described adsorbing mechanism includes sucker, is distributed in the side of described foam sheet in the outlet of described body of heater.
Preferably, described heater includes many groups and adds heat pipe, is evenly distributed at least opposite sides in described body of heater；In described body of heater at least in opposite sides, described in many groups of every side, add longitudinally spaced apart from top to bottom along described heating chamber of heat pipe.
Preferably, described vertical furnace also includes ordering about in described body of heater the air current flow of heating chamber to form the heated air circulation device of hot air circulation.
Preferably, described heated air circulation device includes being arranged on the fan blade assembly of opposite sides in described body of heater, being arranged on outside described body of heater and connect the driving mechanism of described fan blade assembly；The air outlet of described fan blade assembly towards the surface of described foam sheet, air inlet towards and interval described in the internal face of body of heater.
Preferably, this foaming furnace also includes being arranged between described vertical furnace and horizontal stove, by above the body of heater of described vertical furnace flow out sirocco reclamation and be transmitted back to the hot air recovery in described body of heater.
Preferably, described hot air recovery includes sirocco reclamation pipeline, and the corresponding described hot blast discharge direction of the entrance point of described sirocco reclamation pipeline is arranged on above described body of heater, and the port of export of described sirocco reclamation pipeline extends in described body of heater.
Preferably, described hot air recovery also includes described hot blast is drawn into described sirocco reclamation pipeline the sirocco reclamation blower fan being transmitted back in described body of heater；Described sirocco reclamation blower fan is arranged on described sirocco reclamation pipeline, and its air inlet towards and connect the entrance point of described sirocco reclamation pipeline, air outlet towards and connect the port of export of described sirocco reclamation pipeline.
Preferably, this foaming furnace also includes foam sheet being delivered to the feed arrangement of described horizontal stove and described foam sheet pulling out the drawing mechanism of described vertical furnace.
Described feed arrangement includes unwinding rack and the foam sheet on described unwinding rack is drawn the charging carry-over pinch rolls on the conveying mechanism to described horizontal stove；
Described drawing mechanism includes the body of heater outlet being arranged on described vertical furnace felt wrapped roll, chill roll, deviation rectification roller and the rolling frame arranged successively along described foam sheet outbound course and at least one pair of rewinding carry-over pinch rolls；Described rewinding carry-over pinch rolls are arranged between described felt wrapped roll and chill roll, between described chill roll and deviation rectification roller and between described deviation rectification roller and rolling frame in one or more positions.
In the foaming furnace of the present invention, by launching matching of roller and adsorbing mechanism, the better expansion to foam sheet so that foam sheet foaming more completely, uniformly, improves product quality and production capacity in vertical furnace.
It addition, coordinate heater by heated air circulation device, in hot air circulation mode, sheet material is foamed, strengthen product stability and dimensional stability；Also by the setting of hot air recovery, the sirocco reclamation recycling of vertical furnace will be flowed out, reach energy-conservation purpose.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the profile of the foaming furnace of one embodiment of the invention；
Fig. 2 be invention one embodiment foaming furnace in the profile of vertical furnace；
Fig. 3 is the structural representation of hot air circulation in vertical furnace in Fig. 1.
Detailed description of the invention
In order to the technical characteristic of the present invention, purpose and effect are more clearly understood from, now comparison accompanying drawing describes the specific embodiment of the present invention in detail.
As it is shown in figure 1, the foaming furnace of one embodiment of the invention, passing sequentially through including for foam sheet 10 with by the horizontal stove 1 of heat foamable and vertical furnace 2, vertical furnace 2 is arranged on the lower section of horizontal stove 1；Foam sheet 10 is uniformly preheated by horizontal stove 1 with horizontal direction, then foams with vertical direction entrance vertical furnace 2 again, makes the overall thermally equivalent of foam sheet 10 expanded foamed.Foam sheet 10 includes the polyolefin sheets cross-linked, and this foaming furnace is for the foaming of cross-linked polyolefin.
Wherein, horizontal stove 1 can be Split type structure, including the burner hearth of multistage independence, is provided with interval to arrange cooling air unit, by the setting of burner hearth and cooling air unit, it is achieved the intermittent-heating to foam sheet 10 between adjacent two-stage furnace thorax.The inlet and outlet for foam sheet 10 turnover of horizontal stove 1 lays respectively on the burner hearth at two ends.Being provided with conveying mechanism 11 in horizontal stove 1, so that foam sheet 10 is carried out horizontal feed, foam sheet 10 sequentially passes through each section of burner hearth on conveying mechanism 11, finally enters back into vertical furnace 2.Conveying mechanism 11 can be wired belt conveyer.
Vertical furnace 2 includes body of heater 21, heater and expanding unit.The upper end of body of heater 21 is provided with import 211, and this import 211 connects the outlet of horizontal stove 1, enters vertical furnace 2 from the foam sheet 10 of the outlet output of horizontal stove 1 from this import 211, carries downwards with plumbness under gravity；The lower end of body of heater 21 is provided with outlet 212, is connected with import 211, for foam sheet 10 by exporting.
Heater is arranged in body of heater 21, to form a heating field passed through for foam sheet in body of heater 21.Foam sheet 10 is launched by expanding unit, makes foam sheet 10 be heated evenly, completely.
As shown in Figure 1, 2, at least one pair of expansion roller 22 that expanding unit includes being arranged in body of heater 21 so that foam sheet 10 clamping to be launched.Two are launched roller 22 and are positioned at the both sides of foam sheet 10 in body of heater 21, foam sheet 10 can be launched holding action.Launch roller 22 to be rotated by the drive mechanism 221 being arranged on outside body of heater 21.
Expanding unit also includes being arranged on body of heater 21 and exports the adsorbing mechanism 23 of 212, foam sheet 10 carries out absorption further and launches.In the present embodiment, adsorbing mechanism 23 includes sucker, exports 212 sides being distributed in foam sheet 10 in body of heater 21.Width according to foam sheet 10, sucker can be provided with one or more.For presenting the undulatory foam sheet 10 of W, it is possible to carry out expansion process by expanding unit.
Heater can include many groups and add heat pipe 24, is evenly distributed at least opposite sides in body of heater 21.In body of heater 21 at least in opposite sides, many groups of every side add longitudinally spaced apart from top to bottom along heating chamber of heat pipe 24.According to the foaming needs of foam sheet 10, the heat pipe 24 that adds added in heat pipe 24 and desired location of required group number in body of heater 21 can be selected to work.Add the preferred electric heating tube of heat pipe 24.
Further, vertical furnace 2 also includes heated air circulation device 25, orders about in body of heater 21 air current flow of heating chamber to form hot air circulation, temperature in balanced body of heater 21.
As a selectivity embodiment, this heated air circulation device 25 includes fan blade assembly 251 and connects the driving mechanism 252 of fan blade assembly 251.
In conjunction with Fig. 1,3, fan blade assembly 251 is arranged on opposite sides in body of heater 21, and the air outlet of fan blade assembly 251 is towards the surface of foam sheet 10, air inlet towards and the internal face of interval body of heater 21；Also it is distributed to have between the internal face of fan blade assembly 251 air inlet and body of heater 21 and adds heat pipe 24.Driving mechanism 252 is arranged on outside body of heater 21, connects fan blade assembly 251 by rotating shaft.Fan blade assembly 251 is rotated by driving mechanism 252, is drawn into by the thermal current in body of heater 21 by air inlet, and exports from air outlet, forms a hot air circulation loop with this, by hot blast, the surface of foam sheet 10 is brushed.
Further, again as it is shown in figure 1, this foaming furnace also includes the hot air recovery 3 being arranged between vertical furnace 2 and horizontal stove 1, it is used for the sirocco reclamation flowed out above the body of heater 21 of vertical furnace 2 and is transmitted back in body of heater 21, reaching energy-conservation purpose.
Preferably, this hot air recovery 3 can include sirocco reclamation pipeline 31, and the entrance point correspondence hot blast discharge direction of sirocco reclamation pipeline 31 is arranged on above body of heater 21, and the port of export of sirocco reclamation pipeline 31 extends in body of heater 21.
Hot air recovery 3 also includes providing power, and hot blast is drawn into sirocco reclamation pipeline 31 the sirocco reclamation blower fan 32 being transmitted back in body of heater 21.Sirocco reclamation blower fan 32 is arranged on sirocco reclamation pipeline 31, and its air inlet towards and connect the entrance point of sirocco reclamation pipeline 31, air outlet towards and connect the port of export of sirocco reclamation pipeline 31.
It addition, on import 211 side of body of heater 21, hot-air damper 33 also can be provided with, stops that hot blast extends out circulation, hot blast is guided the entrance point to sirocco reclamation pipeline 31.
As it is shown in figure 1, further, the foaming furnace of the present invention also includes foam sheet 10 being delivered to the feed arrangement of horizontal stove 1 and foam sheet 10 pulling out the drawing mechanism of vertical furnace 2.
Wherein, feed arrangement includes for preventing the unwinding rack 41 of foam sheet 10 and the foam sheet 10 on unwinding rack 41 being drawn the charging carry-over pinch rolls 42 on the conveying mechanism 11 to horizontal stove 1.Charging carry-over pinch rolls 42 are arranged on the conveying direction of foam sheet 10, between unwinding rack 41 and horizontal stove 1.
Drawing mechanism includes being arranged on the body of heater 21 of vertical furnace 2 and exports 212 and felt wrapped roll 51, chill roll 52, deviation rectification roller 53 and and rolling frame 55, and at least one pair of rewinding carry-over pinch rolls 54 of arranging successively along foam sheet 10 outbound course.Rewinding carry-over pinch rolls 54 are arranged between felt wrapped roll 51 and chill roll 52, between chill roll 52 and deviation rectification roller 53 and between deviation rectification roller 53 and rolling frame 55 in one or more positions, foam sheet 10 is drawn.Sequentially pass through the correction of the press polish sizing of felt wrapped roll 51, the cooling traction of chill roll 52, deviation rectification roller 53 from the foam sheet 10 of vertical furnace 2 output after, rolling is in rolling frame 55.
When the foaming furnace of the present invention works, the polyolefin sheets (web-like) cross-linked is installed to unwinding rack 41, after unreeling, send into horizontal stove 1 through charging carry-over pinch rolls 42 traction；Polyolefin sheets through the pre-heat foamable of horizontal stove 1 laggard enter vertical furnace 2, foaming also output below vertical furnace 2 after launching, by rolling after drawing mechanism on rolling frame 55.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.
Claims (10)
1. a foaming furnace, passes sequentially through including for foam sheet with by the horizontal stove of heat foamable and vertical furnace, and described vertical furnace is arranged on the lower section of described horizontal stove；It is characterized in that, described vertical furnace includes the body of heater of horizontal stove outlet, heater and expanding unit described in inlet communication；
Described heater is arranged in described body of heater, to form the heating field that a described foam sheet of confession passes through in described body of heater；Described expanding unit includes being arranged in described body of heater with at least one pair of expansion roller that the clamping of described foam sheet is launched and is arranged on the outlet of described body of heater so that described foam sheet to carry out the adsorbing mechanism that absorption launches.
2. foaming furnace according to claim 1, it is characterised in that described adsorbing mechanism includes sucker, is distributed in the side of described foam sheet in the outlet of described body of heater.
3. foaming furnace according to claim 1, it is characterised in that described heater includes many groups and adds heat pipe, is evenly distributed at least opposite sides in described body of heater；In described body of heater at least in opposite sides, described in many groups of every side, add longitudinally spaced apart from top to bottom along described heating chamber of heat pipe.
4. foaming furnace according to claim 1, it is characterised in that described vertical furnace also includes ordering about in described body of heater the air current flow of heating chamber to form the heated air circulation device of hot air circulation.
5. foaming furnace according to claim 4, it is characterised in that described heated air circulation device includes being arranged on the fan blade assembly of opposite sides in described body of heater, being arranged on outside described body of heater and connect the driving mechanism of described fan blade assembly；The air outlet of described fan blade assembly towards the surface of described foam sheet, air inlet towards and interval described in the internal face of body of heater.
6. the foaming furnace according to any one of claim 1-5, it is characterized in that, this foaming furnace also includes being arranged between described vertical furnace and horizontal stove, by above the body of heater of described vertical furnace flow out sirocco reclamation and be transmitted back to the hot air recovery in described body of heater.
7. foaming furnace according to claim 6, it is characterized in that, described hot air recovery includes sirocco reclamation pipeline, and the corresponding described hot blast discharge direction of the entrance point of described sirocco reclamation pipeline is arranged on above described body of heater, and the port of export of described sirocco reclamation pipeline extends in described body of heater.
8. foaming furnace according to claim 7, it is characterised in that described hot air recovery also includes described hot blast is drawn into described sirocco reclamation pipeline the sirocco reclamation blower fan being transmitted back in described body of heater；Described sirocco reclamation blower fan is arranged on described sirocco reclamation pipeline, and its air inlet towards and connect the entrance point of described sirocco reclamation pipeline, air outlet towards and connect the port of export of described sirocco reclamation pipeline.
9. the foaming furnace according to any one of claim 1-5, it is characterised in that this foaming furnace also includes foam sheet being delivered to the feed arrangement of described horizontal stove and described foam sheet pulling out the drawing mechanism of described vertical furnace.
10. foaming furnace according to claim 9, it is characterised in that described feed arrangement includes unwinding rack and the foam sheet on described unwinding rack is drawn the charging carry-over pinch rolls on the conveying mechanism to described horizontal stove；
Described drawing mechanism includes the body of heater outlet being arranged on described vertical furnace felt wrapped roll, chill roll, deviation rectification roller and the rolling frame arranged successively along described foam sheet outbound course and at least one pair of rewinding carry-over pinch rolls；Described rewinding carry-over pinch rolls are arranged between described felt wrapped roll and chill roll, between described chill roll and deviation rectification roller and between described deviation rectification roller and rolling frame in one or more positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610300007.4A CN105751422A (en) | 2016-05-09 | 2016-05-09 | Foaming furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610300007.4A CN105751422A (en) | 2016-05-09 | 2016-05-09 | Foaming furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105751422A true CN105751422A (en) | 2016-07-13 |
Family
ID=56322598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610300007.4A Pending CN105751422A (en) | 2016-05-09 | 2016-05-09 | Foaming furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105751422A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318421A (en) * | 2018-11-21 | 2019-02-12 | 浙江润阳新材料科技股份有限公司 | A kind of efficient vertical-foaming technique |
| CN110091455A (en) * | 2019-04-03 | 2019-08-06 | 浙江润阳新材料科技股份有限公司 | A kind of high speed foaming furnace |
| CN110871542A (en) * | 2019-11-21 | 2020-03-10 | 宁波秦鼎材料科技有限公司 | Vertical continuous foaming equipment for polyolefin |
| CN111703006A (en) * | 2020-05-22 | 2020-09-25 | 浙江润阳新材料科技股份有限公司 | Foaming system of strip-shaped high polymer material |
| CN113696404A (en) * | 2021-08-31 | 2021-11-26 | 安徽省凯峰塑料机械有限公司 | Foamed plastic machining equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101347985A (en) * | 2008-09-12 | 2009-01-21 | 湖北祥源新材科技有限公司 | Crosslinking polyolefin foaming stove |
| CN102922736A (en) * | 2012-11-14 | 2013-02-13 | 深圳市信宇人科技有限公司 | Film vacuum flattening method and vacuum flattening device and application thereof |
| CN203203355U (en) * | 2013-03-29 | 2013-09-18 | 广西南宁市万豪佳鑫纸业有限责任公司 | Drying machine |
| CN203572161U (en) * | 2013-11-28 | 2014-04-30 | 东莞市尼的净化科技有限公司 | Thin film drying device |
| CN105365144A (en) * | 2014-09-15 | 2016-03-02 | 湖北祥源新材科技有限公司 | Crosslinking polyolefin foaming furnace |
| CN205209147U (en) * | 2015-10-30 | 2016-05-04 | 广东理文造纸有限公司 | Hot air drying device |
-
2016
- 2016-05-09 CN CN201610300007.4A patent/CN105751422A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101347985A (en) * | 2008-09-12 | 2009-01-21 | 湖北祥源新材科技有限公司 | Crosslinking polyolefin foaming stove |
| CN102922736A (en) * | 2012-11-14 | 2013-02-13 | 深圳市信宇人科技有限公司 | Film vacuum flattening method and vacuum flattening device and application thereof |
| CN203203355U (en) * | 2013-03-29 | 2013-09-18 | 广西南宁市万豪佳鑫纸业有限责任公司 | Drying machine |
| CN203572161U (en) * | 2013-11-28 | 2014-04-30 | 东莞市尼的净化科技有限公司 | Thin film drying device |
| CN105365144A (en) * | 2014-09-15 | 2016-03-02 | 湖北祥源新材科技有限公司 | Crosslinking polyolefin foaming furnace |
| CN205209147U (en) * | 2015-10-30 | 2016-05-04 | 广东理文造纸有限公司 | Hot air drying device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318421A (en) * | 2018-11-21 | 2019-02-12 | 浙江润阳新材料科技股份有限公司 | A kind of efficient vertical-foaming technique |
| CN110091455A (en) * | 2019-04-03 | 2019-08-06 | 浙江润阳新材料科技股份有限公司 | A kind of high speed foaming furnace |
| CN110871542A (en) * | 2019-11-21 | 2020-03-10 | 宁波秦鼎材料科技有限公司 | Vertical continuous foaming equipment for polyolefin |
| CN111703006A (en) * | 2020-05-22 | 2020-09-25 | 浙江润阳新材料科技股份有限公司 | Foaming system of strip-shaped high polymer material |
| CN113696404A (en) * | 2021-08-31 | 2021-11-26 | 安徽省凯峰塑料机械有限公司 | Foamed plastic machining equipment |
| CN113696404B (en) * | 2021-08-31 | 2023-08-08 | 威海市百进包装科技有限公司 | Foam plastic machining equipment |
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Application publication date: 20160713 |
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