CN105965816A - Production line of three-layer hollow plastic formwork - Google Patents
Production line of three-layer hollow plastic formwork Download PDFInfo
- Publication number
- CN105965816A CN105965816A CN201610359378.XA CN201610359378A CN105965816A CN 105965816 A CN105965816 A CN 105965816A CN 201610359378 A CN201610359378 A CN 201610359378A CN 105965816 A CN105965816 A CN 105965816A
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- China
- Prior art keywords
- extruder
- charging aperture
- flow channel
- plastic formwork
- hollow plastic
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- 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.)
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/025—General arrangement or layout of plant
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
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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
- 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
- B29C48/285—Feeding the extrusion material to the extruder
-
- 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
- B29C48/50—Details of extruders
- B29C48/695—Flow dividers, e.g. breaker plates
- B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/87—Cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a production line of a three-layer hollow plastic formwork, and relates to the technical field of plastic formwork production. The production line comprises extruders, a distributor, an extrusion mold, a vacuum calibration device, a traction machine and a cutting machine which are arranged in sequence. The extruders comprise the first extruder and the second extruder. The distributor is arranged among the two extruders and the extrusion mold. The extrusion mold is connected with the vacuum calibration device. The distributor is provided with a first feeding opening and a second feeding opening connected with the two extruders. An inner cavity of the distributor is provided with a middle runner, an upper runner and a lower runner. The upper runner is arranged above the middle runner, and the lower runner is arranged below the middle runner. The tail end of the upper runner and the tail end of the lower runner communicate with the middle runner. The upper runner and the lower runner communicate with the second feeding opening. One end of a feeding opening of the middle runner communicates with the first feeding opening. A discharging opening of the middle runner is in butt joint with a feeding opening of the extrusion mold. By means of the distributor, manufacturing of the three-layer hollow plastic formwork is achieved, and the production quality of the plastic formwork is improved.
Description
Technical field
The present invention relates to plastic formwork production technical field, particularly relate to a kind of three layers of hollow plastic formwork production line.
Background technology
At present, the concrete casting construction of body of wall in construction, generally use conventional steel template or plank sheathing and bamboo slab rubber, building template for the impermanency that less turnover uses, body of wall casting construction completes, and after needing the solidification of wait concrete, carries out the dismounting of building template, the last loaded down with trivial details construction carrying out insulating layer of external wall of building again, labor intensity is big, efficiency of construction is low, construction cost is high and construction quality is difficult to ensure that in construction.The plastic formwork arisen at the historic moment is a kind of energy-saving and Green Product, is another novel regeneration product after plank sheathing, combined steel formwork, bamboo wooden agglutination formwork, all-steel big shuttering.Traditional steel form, plank sheathing, the lumps of wood, energy-conserving and environment-protective can be replaced completely, amortize low cost.
The plastic formwork number of turnover can reach more than 30 times, moreover it is possible to reclaims and reproduces.Temperature adaptation scope is big, and specification strong adaptability can be sawed, bore, easy to use.The flatness of template surface, highly polished, and have fire-retardant, anticorrosion, water resistant and the function of chemical resistance corrosion, there are preferable mechanical property and electrical insulation capability.The requirement of various building formwork can be met.
But, existing plastic formwork common are solid slab and hollow sheeting, but mostly has been lamina, and multilayer hollow plate is the most common very greatly because of its production difficulty.
Summary of the invention
Three layers of hollow plastic formwork production line that the technical problem to be solved is to provide a kind of compact conformation, reasonable in design, production efficiency is high.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of three layers of hollow plastic formwork production line, including the extruder being sequentially arranged, allotter, extrusion die, vacuum sizing device, traction machine and cutting machine, described extruder is two the first extruders being arranged in juxtaposition and the second extruder, first extruder and the second extruder discharging mouth are all connected with allotter, distributor discharge mouth connects with extrusion die import, and extrusion die outlet is connected with vacuum sizing device；Described allotter is provided with the first charging aperture and the second charging aperture, the first charging aperture and the second charging aperture and is connected with two extruders discharging opening respectively, and distributor discharge mouth connects with extrusion die charging aperture；Allotter inner chamber is provided with intermediate flow channel, upper runner and lower flow channel, upper runner and lower flow channel are separately positioned on above and below intermediate flow channel, upper runner connects with intermediate flow channel respectively with lower flow channel end, and upper runner is consistent with intermediate flow channel width with lower flow channel terminal end width, upper runner all connects with the second charging aperture with the initiating terminal of lower flow channel, intermediate flow channel charging aperture one end connects with the first charging aperture, and intermediate flow channel discharging opening docks with the charging aperture of extrusion die.
Preferably, the first extruder and the second extruder are equipped with feeding device and heating batch mixer, and feeding device discharging opening connects with heating batch mixer charging aperture, and two heating batch mixer discharging openings connect with the first extruder and the second extruder charging aperture respectively.
Preferably, the pipeline that described first charging aperture, the second charging aperture are connected with two extruders respectively is equipped with dosing pump.
Preferably, being provided with cooling water flow conduits and vacuum line inside described extrusion die, cooling water flow conduits is connected, by vacuum line to material chamber, extrusion die inside evacuation with outside cooling water system.
Preferably, described second charging aperture is connected with upper runner and lower flow channel by V-type passage, and the first charging aperture, the second charging aperture are separately positioned in adjacent two vertical side of allotter.
Preferably, two dosing pump outlets are provided with pressure transducer, and pressure transducer is connected by controller and the first extruder and the second extruder.
Preferably, described feeding device is conveying worm, and the first extruder and the second extruder are single screw rod degassing extruder, and dosing pump is hot melt pump.
Use and have the beneficial effects that produced by technique scheme: utilize the first extruder and the second extruder carry out mixing respectively by two kinds of raw materials of three layers of hollow plastic formwork and extrude, first charging aperture of the allocated device of discharging of the first extruder enters and divides two-way to converge with intermediate flow channel along upper runner and lower flow channel, second charging aperture of the allocated device of discharging of the second extruder enters to flow out along intermediate flow channel and docks with the charging aperture of extrusion die, it is achieved the making of three layers of hollow plastic formwork.The advantage that the present invention has compact conformation, reasonable in design, production efficiency is high, optimize the production technology of three layers of hollow plastic formwork, improve the plastic formwork quality of production, this three layers of hollow plastic formwork produced can play thermal insulation function, increases bulk strength and extends template service life.
Accompanying drawing explanation
Fig. 1 is the structural principle block diagram of the present invention；
Fig. 2 is the structural representation that in Fig. 1, allotter coordinates with extrusion die；
Fig. 3 is the A-A sectional view of Fig. 2；
Fig. 4 is the structural representation of three layers of hollow plastic formwork；
In figure: 1-allotter, 2-extrusion die, 3-the first charging aperture, 4-the second charging aperture, 5-intermediate flow channel, 6-upper runner, 7-lower flow channel, 8-cooling water flow conduits, 9-vacuum line, 10-expects chamber, 11-V type passage, 12-intermediate layer, 13-protective layer.
Detailed description of the invention
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Three layers of hollow plastic formwork production line of one as shown in Figure 1, 2, 3, including the extruder being sequentially arranged, allotter 1, extrusion die 2, vacuum sizing device, traction machine and cutting machine, described extruder is two the first extruders being arranged in juxtaposition and the second extruder, first extruder and the second extruder discharging mouth are all connected with allotter 1, allotter 1 discharging opening connects with extrusion die 2 import, and extrusion die 2 exports and is connected with vacuum sizing device；Described allotter 1 is provided with the first charging aperture 3 and the second charging aperture 4, and the first charging aperture 3 is connected with the first extruder and the second extruder discharging mouth respectively with the second charging aperture 4, and allotter 1 discharging opening connects with extrusion die 2 charging aperture；Allotter 1 inner chamber is provided with intermediate flow channel 5, upper runner 6 and lower flow channel 7, upper runner 6 and lower flow channel 7 are separately positioned on above and below intermediate flow channel 5, upper runner 6 connects with intermediate flow channel 5 respectively with lower flow channel 7 end, and upper runner 6 is consistent with intermediate flow channel 5 width with lower flow channel 7 terminal end width, upper runner 6 all connects with the second charging aperture 4 with the initiating terminal of lower flow channel 7, intermediate flow channel 5 charging aperture one end connects with the first charging aperture 3, bifurcation road, intermediate flow channel 5 discharging opening one end is docked with the charging aperture of extrusion die 2, the concrete shape of intermediate flow channel 5 and material chamber 10 mating shapes in extrusion die 2.
Three layers of hollow plastic formwork of one as shown in Figure 4 include intermediate layer 12 and protective layer 13, and protective layer 13 is arranged on the top and bottom in intermediate layer 12, depending on the hollow hole shape in the middle part of intermediate layer 12 is according to design requirement.
Generally it is equipped with feeding device and heating batch mixer at the first extruder and the second extruder, feeding device discharging opening connects with heating batch mixer charging aperture, two heating batch mixer discharging openings connect with the first extruder and the second extruder charging aperture respectively, and the pipeline that described first charging aperture the 3, second charging aperture 4 is connected with the first extruder and the second extruder respectively is equipped with dosing pump.By feeding device be delivered to two kinds of raw materials of the intermediate layer 12 of three layers of hollow plastic formwork and protective layer 13 respectively to heat batch mixer carry out melting, mixing; respectively enter the first extruder again and the second extruder fully plastifies and mixes; and by dosing pump, two kinds of raw materials after melted are carried out accurate measurement; avoid wastage of material, it is achieved the purpose that feeding is uniformly, finished product rate is high.
Being equipped with pressure transducer two dosing pump outlets, pressure transducer is connected by controller and the first extruder and the second extruder simultaneously.The pressure signal detected is transmitted to controller by pressure transducer, controls the first extruder and the rotating speed of the second extruder by controller, accurately controls raw material extruded velocity.
In order to alleviate labor intensity of operating staff, feeding device selects conveying worm, and the first extruder and the second extruder are single screw rod degassing extruder, and dosing pump selects hot melt pump to be applicable to add the feedstock transportation of hot melt state.
Additionally, described extrusion die 2 is internal is provided with cooling water flow conduits 8 and vacuum line 9, cooling water flow conduits 8 is connected with outside cooling water system, and cooling water system also communicates with the vacuum sizing device of postorder simultaneously, by vacuum line 9 to extrusion die 2 internal material chamber 10 evacuation.
As a kind of preferred structure; described second charging aperture 4 is connected with upper runner 6 and lower flow channel 7 by V-type passage 11; first charging aperture the 3, second charging aperture 4 is separately positioned in adjacent two vertical side of allotter 2; by V-type passage 11 by the raw material mean allocation that enters in the second charging aperture 4 to upper runner 6 and lower flow channel 7, it is achieved the upper and lower surface the most armor coated 13 in intermediate layer 12.
nullThe manufacturing process of three layers of hollow plastic formwork is as follows: utilizes conveying worm, as feeding device, raw material classification is delivered to heat batch mixer and melts、Mixing，Fully plastify in respectively enteing the first extruder and the second extruder again and mix，The most respectively through hot melt pump by the feedstock transportation of melting state to allotter 1，Raw material as three layers of hollow plastic formwork intermediate layer 12 enters intermediate flow channel 5 by the first charging aperture 3 of allotter 1，Raw material as three layers of hollow plastic formwork protective layer 13 respectively enters upper runner 6 and lower flow channel 7 by the second charging aperture 4 of allotter 1 through V-type passage 11，Two kinds of raw materials are made to converge along upper runner 6 and 7 points of two-way of lower flow channel with intermediate flow channel 5，Flow out through intermediate flow channel 5 again and dock with the charging aperture of extrusion die 2，The shape of intermediate flow channel 5 and material chamber 10 mating shapes in extrusion die 2，Depending on concrete shape requires according to the design of hollow plastic formwork；Utilize vaccum-pumping equipment, by vacuum line 9, material chamber 10 evacuation in extrusion die 2 is facilitated feedstock transportation, extrusion die 2 is lowered the temperature by the cooling current extruded mould 2 internal cooling water flow passage 8 of cooling water system, obtains three layers of hollow plastic formwork by extrusion die 2 and completes to make.The present invention optimizes the production technology of three layers of hollow plastic formwork, improves the plastic formwork quality of production, produces the three layers of hollow plastic formwork obtained and can play thermal insulation function, increases bulk strength and extends template service life.
In sum; the advantage that the present invention has compact conformation, reasonable in design, production efficiency is high; allotter is utilized to realize intermediate layer 12 and the reasonable distribution of 13 two kinds of raw materials of protective layer of three layers of hollow plastic formwork; by dosing pump, the flow of two kinds of raw materials is accurately controlled; pressure transducer and controller is utilized to control the rotating speed of two extruders; avoid wastage of material, it is ensured that product quality, improve finished product rate.
Obviously, embodiments described above is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Claims (7)
1. three layers of hollow plastic formwork production line, it is characterized in that: include extruder, allotter (1), extrusion die (2), vacuum sizing device, traction machine and the cutting machine being sequentially arranged, described extruder is two the first extruders being arranged in juxtaposition and the second extruder, first extruder and the second extruder discharging mouth are all connected with allotter (1), allotter (1) discharging opening connects with extrusion die (2) import, and extrusion die (2) outlet is connected with vacuum sizing device；Described allotter (1) is provided with the first charging aperture (3) and the second charging aperture (4), first charging aperture (3) is connected with two extruders discharging opening respectively with the second charging aperture (4), and allotter (1) discharging opening connects with extrusion die (2) charging aperture；Allotter (1) inner chamber is provided with intermediate flow channel (5), upper runner (6) and lower flow channel (7), upper runner (6) and lower flow channel (7) are separately positioned on above and below intermediate flow channel (5), upper runner (6) connects with intermediate flow channel (5) respectively with lower flow channel (7) end, and upper runner (6) is consistent with intermediate flow channel (5) width with lower flow channel (7) terminal end width, upper runner (6) all connects with the second charging aperture (4) with the initiating terminal of lower flow channel (7), intermediate flow channel (5) charging aperture one end connects with the first charging aperture (3), intermediate flow channel (5) discharging opening docks with the charging aperture of extrusion die (2).
Three layers of hollow plastic formwork production line the most according to claim 1, it is characterized in that: the first extruder and the second extruder are equipped with feeding device and heating batch mixer, feeding device discharging opening connects with heating batch mixer charging aperture, and two heating batch mixer discharging openings connect with the first extruder and the second extruder charging aperture respectively.
Three layers of hollow plastic formwork production line the most according to claim 2, it is characterised in that: it is equipped with dosing pump on the pipeline that described first charging aperture (3), the second charging aperture (4) are connected with the first extruder and the second extruder respectively.
Three layers of hollow plastic formwork production line the most according to claim 1, it is characterized in that: described extrusion die (2) is internal is provided with cooling water flow conduits (8) and vacuum line (9), cooling water flow conduits (8) is connected with outside cooling water system, by vacuum line (9) to extrusion die (2) internal material chamber (10) evacuation.
Three layers of hollow plastic formwork production line the most according to claim 1, it is characterized in that: described second charging aperture (4) is connected with upper runner (6) and lower flow channel (7) by V-type passage (11), and the first charging aperture (3), the second charging aperture (4) are separately positioned in adjacent two vertical side of allotter (2).
Three layers of hollow plastic formwork production line the most according to claim 3, it is characterised in that: two dosing pump outlets are equipped with pressure transducer, and pressure transducer is connected by controller and the first extruder and the second extruder.
Three layers of hollow plastic formwork production line the most according to claim 3, it is characterised in that: described feeding device is conveying worm, and the first extruder and the second extruder are single screw rod degassing extruder, and dosing pump is hot melt pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610359378.XA CN105965816A (en) | 2016-05-27 | 2016-05-27 | Production line of three-layer hollow plastic formwork |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610359378.XA CN105965816A (en) | 2016-05-27 | 2016-05-27 | Production line of three-layer hollow plastic formwork |
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| CN105965816A true CN105965816A (en) | 2016-09-28 |
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| CN201610359378.XA Pending CN105965816A (en) | 2016-05-27 | 2016-05-27 | Production line of three-layer hollow plastic formwork |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106217804A (en) * | 2016-07-29 | 2016-12-14 | 宁波德高建材科技有限公司 | A kind of production line of PVC hollow composite tile |
| CN107044205A (en) * | 2017-06-07 | 2017-08-15 | 江苏远发新材料股份有限公司 | Three layers of extrusion molding plastic hollow building template |
| CN109501196A (en) * | 2018-12-29 | 2019-03-22 | 苏州金纬机械制造有限公司 | The production equipment of double-wall corrugated pipe |
| CN112677444A (en) * | 2020-12-23 | 2021-04-20 | 宝天高科（广东）有限公司 | Preparation method and device for removing sharkskin on surface of PVC plate |
| CN113107310A (en) * | 2021-04-06 | 2021-07-13 | 杭州华强实业有限公司 | Composite refrigerator door frame and forming device and production process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106217804A (en) * | 2016-07-29 | 2016-12-14 | 宁波德高建材科技有限公司 | A kind of production line of PVC hollow composite tile |
| CN107044205A (en) * | 2017-06-07 | 2017-08-15 | 江苏远发新材料股份有限公司 | Three layers of extrusion molding plastic hollow building template |
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| CN112677444A (en) * | 2020-12-23 | 2021-04-20 | 宝天高科（广东）有限公司 | Preparation method and device for removing sharkskin on surface of PVC plate |
| CN113107310A (en) * | 2021-04-06 | 2021-07-13 | 杭州华强实业有限公司 | Composite refrigerator door frame and forming device and production process thereof |
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Application publication date: 20160928 |