CN108481697A - A kind of film forming mechanism that can be fully plasticized - Google Patents
A kind of film forming mechanism that can be fully plasticized Download PDFInfo
- Publication number
- CN108481697A CN108481697A CN201810290623.5A CN201810290623A CN108481697A CN 108481697 A CN108481697 A CN 108481697A CN 201810290623 A CN201810290623 A CN 201810290623A CN 108481697 A CN108481697 A CN 108481697A
- Authority
- CN
- China
- Prior art keywords
- feed pipe
- film
- film forming
- forming mechanism
- feature
- 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
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 239000004033 plastic Substances 0.000 claims abstract description 17
- 229920003023 plastic Polymers 0.000 claims abstract description 17
- 239000004568 cement Substances 0.000 claims abstract description 15
- 238000000465 moulding Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000002844 melting Methods 0.000 abstract description 4
- 230000008018 melting Effects 0.000 abstract description 4
- 230000009977 dual effect Effects 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 27
- 238000009740 moulding (composite fabrication) Methods 0.000 description 10
- 238000001816 cooling Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/425—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders using three or more screws
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/435—Sub-screws
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to the production technical fields of PVC cast films, more particularly to a kind of film forming mechanism that can be fully plasticized, it includes secondary modeling fusing device, it is connected between accessed planetary extruder and the molding machine accessed, and the secondary modeling fusing device includes the feed pipe for connecting the planetary extruder output end and the heater for heating the feed pipe.Since heater is the plastic cement second melting melted by planetary extruder in feed pipe, achieve the purpose that dual plasticizing, so that plastic cement be plasticized more it is abundant and completely, and then eliminate impurity and point on molding film, so that film is more clean and smooth, to improve the film quality of production system.
Description
Technical field
The present invention relates to the production technical field of PVC cast films more particularly to a kind of film formings that can be fully plasticized
Mechanism.
Background technology
PVC cast film production processes are described as follows：Powdery or granular PVC plastic, according to production and processing
It needs to add various auxiliary agents, filler, pigment etc., by the mixing of planetary extruder, extruding, stirring, heat effect, make
Melt-flow state, extruding conveying of the plastics melted Jing Guo screw melt pump, squeezes out from casting films machine head port mould with sheet,
Plastic sheet is stretched, cooling, trimming, the stations process such as batches and becomes PVC cast films.But due to monomer crystal
Plastic cement be not easy to be plasticized, therefore be once just extruded into film, the product of film from die head through planetary extruder plastifying fusion
It is of low quality, it can not be accepted by consumer.
Invention content
The object of the present invention is to provide a kind of film forming mechanisms that can be fully plasticized, and can improve the product matter of film
Amount.
The present invention provides a kind of film forming mechanism that can be fully plasticized, including secondary modeling fusing device, is connected to and is connect
Between the planetary extruder entered and the molding machine accessed, the secondary modeling fusing device includes that the connection planetary extruder is defeated
The feed pipe of outlet and heater for heating the feed pipe.
Wherein, the secondary modeling fusing device further includes the radiator for radiating to the heater.
Wherein, the radiator is air blower.
Wherein, the secondary modeling fusing device further includes the screw rod being arranged in the feed pipe, is used for the feeding
Melt plastic cement in pipe is extruded into film from die head.
Wherein, the secondary modeling fusing device further includes filtering net, and the melt plastic cement in the feed pipe is through the filtering net
After filtration film is extruded into from die head.
Wherein, the secondary modeling fusing device further includes the driving device for driving the screw rod rotation.
Wherein, the driving device includes driving motor and the speed reducer that is driven by the driving motor, the speed reducer
Connect the screw rod.
Beneficial effects of the present invention are：Since heater is secondary the plastic cement melted by planetary extruder in feed pipe
Melting, achievees the purpose that dual plasticizing so that plastic cement is plasticized more abundant and completely, and then miscellaneous on the molding film of elimination
Matter and point so that film is more clean and smooth, to improve the film quality of production system.
Description of the drawings
Using attached drawing, the invention will be further described, but the embodiment in attached drawing does not constitute any limit to the present invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the structural schematic diagram of film forming mechanism.
Fig. 2 is the structural schematic diagram of die head hoisting mechanism.
Include in Fig. 1 to Fig. 2：1 --- planetary extruder, 2 --- secondary modeling fusing device, 21 --- feed pipe,
22 --- heater, 23 --- radiator, 24 --- driving motor, 25 --- die head, 26 --- filter screen, 3 --- die head is hung
Mounting mechanism, 31 --- holder, 32 --- lifting plate, 33 --- ceiling mounted tracks, 34 --- adjustment plate, 35 --- die head hoisting frame,
4 --- molding machine, 41 --- forming roller, 5 --- measuring thickness device, 6 --- wrap-up, 7 --- reel replacing material accepting device.
Specific implementation mode
The invention will be further described with the following Examples.
A kind of film forming mechanism that can be fully plasticized, an important composition of the thin-film production system that can be fully plasticized in fact
Part.As shown in Figure 1, thin-film production system include from input terminal to output end sequentially connected planetary extruder, secondary modeling it is molten
Device, molding machine, measuring thickness device, wrap-up, the plastic cement that secondary modeling fusing device melts planetary extruder carry out secondary
After melting, being squeezed through molding die becomes film, which is sent to measuring thickness device after molding machine cooling and shaping and surveys
Thickness, wrap-up wind the film after thickness measuring.The plastic cement two that planetary extruder is melted by secondary modeling fusing device
Secondary melting achievees the purpose that dual plasticizing so that plastic cement is plasticized more abundant and completely, and then eliminates on molding film
Impurity and point so that film is more clean and smooth, to improve the film quality of production system.
In the present embodiment, secondary modeling fusing device includes connecting the feed pipe of planetary extruder output end and described for heating
The heater of feed pipe.The operating temperature of heater is excessively high in order to prevent, secondary modeling fusing device further include for heater into
The radiator of row heat dissipation.Preferably, radiator is air blower.When heater when the temperature is excessively high, air blower, which is blowed, to be added
The temperature of hot device drops to suitable temperature, can be carried out automatically controlling by temperature control sensor and controller.Secondary modeling fusing device
Further include the screw rod being arranged in feed pipe, the melt plastic cement in feed pipe is used to be extruded into film from die head.To prevent
The plastic cement liquid not melted fully enters die head 25, and secondary modeling fusing device further includes filtering net, and the melt plastic cement in feed pipe is through filter
It crosses after net filtration and is extruded into film from die head 25.Further, secondary modeling fusing device further includes the drive for drive screw turns
Dynamic device, driving device include driving motor and speed reducer (not shown), speed reducer connecting screw, screw rod and feed pipe it
Between be equipped with sealing ring, prevent raw material from leaking out.
In the present embodiment, as shown in Fig. 2, in order to easily select and replace different die heads 25, to be molded difference
Size and thickness film, this production equipment further includes die head hoisting mechanism 3, is used to replace secondary modeling fusing device 2 and exports
The die head 25 at end.Die head hoisting mechanism 3 includes the lifting plate 32 of holder 31 and two retractable movements being located on holder 31, is led to
The folding for controlling the two lifting plates 32 is crossed, to realize the dismounting of die head 25 and 2 output end of extrusion device.Specifically, die head
Hoisting mechanism 3 further includes two ceiling mounted tracks 33 being located on holder 31, along the die head lifting of this two slidings of ceiling mounted tracks 33
Frame 35 and the adjustment plate 34 that can vertically move, adjustment plate 34 are connected between lifting plate 32 and die head 25, die head lifting
Frame 35 is for slinging die head 25 and moving die head 25 in the horizontal direction.
In the present embodiment, molding machine includes multiple forming rollers and the cooling tube that is arranged on each forming roller, cooling tube dress
Cooling medium is set, is used to cool down for molding film on each forming roller.Preferably, cooling medium is cooling water.
In the present embodiment, wrap-up output end is connected with reel replacing material accepting device, being capable of automatic loading and unloading core..
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although being explained in detail to the present invention with reference to preferred embodiment, those skilled in the art answer
Work as understanding, technical scheme of the present invention can be modified or replaced equivalently, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (7)
1. a kind of film forming mechanism that can be fully plasticized, feature is with including secondary modeling fusing device is connected to and is accessed
Planetary extruder and the molding machine accessed between, the secondary modeling fusing device includes connecting planetary extruder output
The feed pipe at end and heater for heating the feed pipe.
2. a kind of film forming mechanism that can be fully plasticized according to claim 1, feature is with the secondary modeling is molten
Device further includes the radiator for radiating to the heater.
3. a kind of film forming mechanism that can be fully plasticized according to claim 2, feature is being with, the radiator
Air blower.
4. a kind of film forming mechanism that can be fully plasticized according to claim 1, feature is with the secondary modeling is molten
Device further includes the screw rod being arranged in the feed pipe, and the melt plastic cement in the feed pipe is used to be extruded into from die head
Film.
5. a kind of film forming mechanism that can be fully plasticized according to claim 4, feature is with the secondary modeling is molten
Device further includes filtering net, and the melt plastic cement in the feed pipe is extruded into film after filtering net filtration from die head.
6. a kind of film forming mechanism that can be fully plasticized according to claim 4, feature is with the secondary modeling is molten
Device further includes the driving device for driving the screw rod rotation.
7. a kind of film forming mechanism that can be fully plasticized according to claim 6, feature is with the driving device
Including driving motor and by the speed reducer that the driving motor drives, the speed reducer connects the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810290623.5A CN108481697A (en) | 2018-03-30 | 2018-03-30 | A kind of film forming mechanism that can be fully plasticized |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810290623.5A CN108481697A (en) | 2018-03-30 | 2018-03-30 | A kind of film forming mechanism that can be fully plasticized |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108481697A true CN108481697A (en) | 2018-09-04 |
Family
ID=63318302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810290623.5A Pending CN108481697A (en) | 2018-03-30 | 2018-03-30 | A kind of film forming mechanism that can be fully plasticized |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108481697A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204340233U (en) * | 2014-11-05 | 2015-05-20 | 佛山市联塑万嘉新卫材有限公司 | A kind of amenities ventilated membrane secondary plasticizing one-step shaping process equipment |
| CN208084907U (en) * | 2018-03-30 | 2018-11-13 | 广州市旭发新材料有限公司 | A kind of film forming mechanism that can be fully plasticized |
-
2018
- 2018-03-30 CN CN201810290623.5A patent/CN108481697A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204340233U (en) * | 2014-11-05 | 2015-05-20 | 佛山市联塑万嘉新卫材有限公司 | A kind of amenities ventilated membrane secondary plasticizing one-step shaping process equipment |
| CN208084907U (en) * | 2018-03-30 | 2018-11-13 | 广州市旭发新材料有限公司 | A kind of film forming mechanism that can be fully plasticized |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180904 |