CN105014926A - PVC co-extrusion frame and manufacturing method thereof - Google Patents
PVC co-extrusion frame and manufacturing method thereof Download PDFInfo
- Publication number
- CN105014926A CN105014926A CN201510513122.5A CN201510513122A CN105014926A CN 105014926 A CN105014926 A CN 105014926A CN 201510513122 A CN201510513122 A CN 201510513122A CN 105014926 A CN105014926 A CN 105014926A
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- China
- Prior art keywords
- pvc
- extrusion
- hard
- plastic
- extrusion frame
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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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded 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
- B29C48/92—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
- B29C2948/92009—Measured parameter
- B29C2948/92209—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
Abstract
The invention provides a PVC co-extrusion frame and a manufacturing method thereof. The co-extrusion frame comprises plastic frame proximate matter integrating hard PVC and soft PVC in a compound co-extrusion extrusion forming manner, wherein the two sides of a soft PVC plastic proximate matter clamping groove are of arc structures. Hard PVC plastic proximate matter is of a hollow cavity structure, and the interior of the hard PVC plastic proximate matter is divided into a plurality of closed or semi-closed small spaces. Two grooves even in size are arranged in the outer surface of the hard PVC plastic proximate matter. The tails of the arc structures on the two sides of the soft PVC plastic proximate matter clamping groove are provided with two soft PVC solid small circles. The PVC co-extrusion frame is molded at a time under the hard and soft PVC plastic compound co-extrusion process condition; the PVC co-extrusion frame is simple in structure, soft in interior and hard in exterior; the compression-resistant and shock-resistant performance index of the plastic co-extrusion frame proximate matter is improved; and the appearance effect accords with the design philosophy of being simple and fashionable.
Description
Technical field
The present invention relates to section bar field, specifically a kind of PVC co-extrusion frame.
Background technology
Soft-hard coextrusion frame is used for carrying out bound edge to product.Application number be 201210090016.7 Chinese patent provide a kind of wood-plastic co-extrusion door-window section bar, this profile structure as shown in Figure 1, be the wood-plastic co-extrusion section bar be integrally formed by PVC-U plastic material and Wood-plastic profiles, synchronously inputted the product moulding mould of a composite co-extruding respectively by two kinds of different extruders.This invention only relates to the co-extruding mould of two kinds of profile shapes, and major part is for door and window, and the bound edge for product relates to less.As come product bound edge with above-mentioned wood-plastic co-extrusion section bar, its Wood-plastic profiles extensibility is poor, and it is not high to be used for the packaging ceramic product goodness of fit, easily occurs that section bar ruptures, and needs better shock-absorbing capacity for the packaging of the friable products such as pottery, porcelain, glass.
Summary of the invention
The present invention is in order to solve the problem of prior art, provide a kind of PVC co-extrusion frame and preparation method thereof, the groove part of this section bar is the edge being configured to pack fragile article by soft rim section bar, make it that there is good shock resistance, crash resistance and stronger resiliency, to solve the demand of people.
PVC co-extrusion frame provided by the invention: the plastic frame section bar comprising the extruded hard PVC of composite co-extruding and flexible PVC one, wherein soft pvc plastic section bar draw-in groove both sides adopt arc structure.This project organization is conducive to described plastic co-extrusion shape of peripheral frame and is used for packing laminating degree and the sealing that the friable product edges such as pottery, glass can increase its edge, soft pvc plastic shape of peripheral frame of the present invention is better than hard PVC shape of peripheral frame for the buffering anti-seismic performance of friable product, and the characteristic of hard PVC and flexible PVC is combined with each other by the plastic co-extrusion shape of peripheral frame of hard outside soft inside especially, described plastic co-extrusion shape of peripheral frame is optimized more in the performance of packaging pottery, porcelain tool, glass edge frame.
Further improvement, described hard PVC section bar adopts hollow chamber's structure, and the inside of hard PVC section bar is separated into several airtight or little spaces of semi-hermetic.This project organization not only can save material to hard PVC, saves green energy resource, and is conducive to the man-hour of the cutting action of plastic co-extrusion shape of peripheral frame in later stage use procedure described in saving.
Further improvement, the outer surface of described hard PVC section bar has two grooves of uniform size.This project organization makes to be placed in machine or other products with the friable product that this outer rim is packed, and the groove of outer surface can increase the steadiness of its friable product.
Further improvement, the end of soft pvc plastic section bar draw-in groove both sides arc structure is provided with the solid roundlet of two flexible PVCs.This project organization is conducive to described plastic co-extrusion shape of peripheral frame, and to be used for surface of package irregular, concavo-convex uneven friable product, increases frictional force to friable product edge, improves and grabs gravitation, make the laminating degree at described plastic co-extrusion shape of peripheral frame and fragile article edge tightr, not easily drop.
Present invention also offers a kind of its preparation method of PVC co-extrusion frame, comprise the following steps:
1) raw material of hard PVC and flexible PVC, auxiliary material are carried out sending into hard PVC extruder and flexible PVC extruder again after drying processes through drier, order of addition for first by hard PVC resin and flexible PVC resin in mass ratio 3:1 start the mixed machine of heat after adding high-speed mixer respectively, then add auxiliary material; Described auxiliary material comprises the anti-impact modifier, stabilizing agent, lubricant, colouring agent and the filler that add successively, and in auxiliary material adition process, colouring agent adds rear kneading and adds filler again in 3 minutes.
2) after 8-10min mediates, when temperature reaches 100-120 DEG C, then the material synchronously extruded in proportion by two plastic extruders is respectively input in the product moulding mould of a composite co-extruding and carries out extrusion molding; The entering respectively through feeding section, fusing section, homogenizing zone in extruder of hard PVC and flexible PVC in extrusion molding, the temperature of three sections is set as: hard PVC Solid Conveying and Melting go temperature control 100-140 DEG C, material plasticizing district temperature control 170-190 DEG C, delivery area temperature controls at 160-180 DEG C; Flexible PVC feeding section temperature control 110-130 DEG C, physics plasticizing zone temperature control 140-160 DEG C, delivery area temperature controls at 160-170 DEG C, carries out shaping at 170-180 DEG C of temperature.
3) enter after extrusion molding in vacuum forming mould and carry out cooling and shaping, vacuum setting 20.0 ~ 53.3kPa, water temperature is below 15-45 DEG C.Draw tubing equably through traction again, hauling speed controls the 1%-3% at fast extruded velocity, then by cut and conventional subsequent processing operations is made.
Beneficial effect of the present invention is:
1, the process conditions of hard and soft pvc plastic composite co-extruding are next time shaping, its structure is simple, hard outside soft inside, not only increases the resistance to compression shock resistance index of plastic co-extrusion shape of peripheral frame, makes again appearance reach design concept that is brief, fashion.
2, the plastic material needed for co-extrusion frame, selects that mechanical property is good, the PVC plastic composite co-extruding forming process of the strong and light quality of corrosion resistance.
3, be that the soft and hard plastic section bar of carrier shapes technique perfect adaptation separately with PVC, apply section bar composite co-extruding forming process of the same race and inlay group technology, having filled up the blank in co-extrusion frame section bar complex technique of the same race field.
Accompanying drawing explanation
Fig. 1 is prior art structural representation.
Fig. 2 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
As shown in Figure 2, comprise the plastic frame section bar of the extruded hard PVC of composite co-extruding and flexible PVC one, wherein soft pvc plastic section bar 3 draw-in groove both sides adopt arc structure to structure of the present invention.Described hard PVC section bar 1 adopts hollow chamber's structure, and the inside of hard PVC section bar 1 is separated into several airtight or little spaces of semi-hermetic
The outer surface of described hard PVC section bar 1 has two grooves of uniform size.The end of soft pvc plastic section bar 3 draw-in groove both sides arc structure is provided with the solid roundlet of two flexible PVCs.
Present invention also offers a kind of its preparation method of PVC co-extrusion frame, it is characterized in that comprising the following steps:
1) raw material of hard PVC and flexible PVC, auxiliary material are carried out sending into hard PVC extruder and flexible PVC extruder again after drying processes through drier, order of addition for first by hard PVC resin and flexible PVC resin in mass ratio 3:1 start the mixed machine of heat after adding high-speed mixer respectively, then add auxiliary material; Described auxiliary material comprises the anti-impact modifier, stabilizing agent, lubricant, colouring agent and the filler that add successively, and in auxiliary material adition process, colouring agent adds rear kneading and adds filler again in 3 minutes.
Each auxiliary material proportion is conventional ratio in extrusion molding, and a kind of concrete mode is: filling a prescription by mass parts is hard PVC respectively: polyvinyl chloride resin 100, barium stearate 2, haloflex 4, esters of acrylic acid 3, precipitated calcium carbonate 6, paraffin 0.5; Flexible PVC: polyvinyl chloride resin 100, barium stearate 1.2, cadmium stearate 0.7, neck phthalic acid dibutyl ester 28, paraffin 0.2, the mass parts of auxiliary material is anti-impact modifier 1.7, stabilizing agent 3, colouring agent carbon black 0.05 or titanium dioxide 1.5, filler 9 respectively.
2) after 8-10min mediates, when temperature reaches 100-120 DEG C, then the material synchronously extruded in proportion by two plastic extruders is respectively input in the product moulding mould of a composite co-extruding and carries out extrusion molding; In described extrusion molding process, the entering respectively through feeding section, fusing section, homogenizing zone in extruder of hard PVC and flexible PVC in extrusion molding, the temperature of three sections is set as: hard PVC Solid Conveying and Melting go temperature control 100-140 DEG C, material plasticizing district temperature control 170-190 DEG C, delivery area temperature controls at 160-180 DEG C; Flexible PVC feeding section temperature control 110-130 DEG C, physics plasticizing zone temperature control 140-160 DEG C, delivery area temperature controls at 160-170 DEG C, carries out shaping at 170-180 DEG C of temperature.
3) enter after extrusion molding in vacuum forming mould and carry out cooling and shaping, vacuum setting 20.0 ~ 53.3kPa, water temperature is below 15-45 DEG C.Draw tubing equably through traction again, hauling speed controls the 1%-3% at fast extruded velocity, then by cut and conventional subsequent processing operations is made.
Embody rule approach of the present invention is a lot, and the above is only the preferred embodiment of the present invention, should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvement, these improvement also should be considered as protection scope of the present invention.
Claims (8)
1. a PVC co-extrusion frame, is characterized in that: the plastic frame section bar comprising the extruded hard PVC of composite co-extruding and flexible PVC one, wherein soft pvc plastic section bar (3) draw-in groove both sides adopt arc structure.
2. PVC co-extrusion frame according to claim 1, is characterized in that: described hard PVC section bar (1) adopts hollow chamber's structure, and the inside of hard PVC section bar (1) is separated into several airtight or little spaces of semi-hermetic.
3. PVC co-extrusion frame according to claim 1, is characterized in that: the outer surface of described hard PVC section bar (1) has two grooves of uniform size.
4. PVC co-extrusion frame according to claim 1, is characterized in that: the end of soft pvc plastic section bar (3) draw-in groove both sides arc structure is provided with the solid roundlet of two flexible PVCs.
5. an its preparation method for PVC co-extrusion frame, is characterized in that comprising the following steps:
1) raw material of hard PVC and flexible PVC, auxiliary material are carried out sending into hard PVC extruder and flexible PVC extruder again after drying processes through drier, order of addition for first by hard PVC resin and flexible PVC resin in mass ratio 3:1 start the mixed machine of heat after adding high-speed mixer respectively, then add auxiliary material;
2) after 8-10min mediates, when temperature reaches 100-120 DEG C, then the material synchronously extruded in proportion by two plastic extruders is respectively input in the product moulding mould of a composite co-extruding and carries out extrusion molding;
3) enter after extrusion molding in vacuum forming mould and carry out cooling and shaping, then draw tubing equably through traction, hauling speed controls the 1%-3% at fast extruded velocity, then by cut and conventional subsequent processing operations is made.
6. its preparation method of PVC co-extrusion frame according to claim 5, it is characterized in that: the auxiliary material described in step 1) comprises the anti-impact modifier, stabilizing agent, lubricant, colouring agent and the filler that add successively, in auxiliary material adition process, colouring agent adds rear kneading and adds filler again in 3 minutes.
7. its preparation method of PVC co-extrusion frame according to claim 5, it is characterized in that: step 2) described in extrusion molding process in, the entering respectively through feeding section, fusing section, homogenizing zone in extruder of hard PVC and flexible PVC in extrusion molding, the temperature of three sections is set as: hard PVC Solid Conveying and Melting go temperature control 100-140 DEG C, material plasticizing district temperature control 170-190 DEG C, delivery area temperature controls at 160-180 DEG C; Flexible PVC feeding section temperature control 110-130 DEG C, physics plasticizing zone temperature control 140-160 DEG C, delivery area temperature controls at 160-170 DEG C, carries out shaping at 170-180 DEG C of temperature.
8. its preparation method of PVC co-extrusion frame according to claim 5, is characterized in that: in the cooling and shaping process described in step 3), and vacuum setting 20.0 ~ 53.3kPa, water temperature is below 15-45 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510513122.5A CN105014926A (en) | 2015-08-20 | 2015-08-20 | PVC co-extrusion frame and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510513122.5A CN105014926A (en) | 2015-08-20 | 2015-08-20 | PVC co-extrusion frame and manufacturing method thereof |
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| CN105014926A true CN105014926A (en) | 2015-11-04 |
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| CN201510513122.5A Pending CN105014926A (en) | 2015-08-20 | 2015-08-20 | PVC co-extrusion frame and manufacturing method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106863732A (en) * | 2017-02-20 | 2017-06-20 | 嵊州陌桑高科股份有限公司 | A kind of silkworm cocooning heating extruded type forming method of wear-resisting type silkworm frame |
| CN110388170A (en) * | 2019-06-26 | 2019-10-29 | 澳柯玛股份有限公司 | A kind of soft-hard coextrusion structure of French casement and its application in refrigeration product |
| CN110894327A (en) * | 2019-10-08 | 2020-03-20 | 佛山市龙异卫浴科技有限公司 | Manufacturing method of high-light-transmission soft-hard co-extrusion PVC adhesive tape |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1453117A (en) * | 2002-04-25 | 2003-11-05 | 黄昌友 | Manufacture of plastics-steel shapes for door and window |
| JP2009202427A (en) * | 2008-02-28 | 2009-09-10 | Fujifilm Corp | Method of manufacturing optical resin film and optical film |
| CN102532746A (en) * | 2010-12-27 | 2012-07-04 | 南京聚隆科技股份有限公司 | Soft and hard co-extrusion one-step forming method of un-plasticized polyvinyl chloride (U-PVC) profiled material and PVC adhesive tape |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106863732A (en) * | 2017-02-20 | 2017-06-20 | 嵊州陌桑高科股份有限公司 | A kind of silkworm cocooning heating extruded type forming method of wear-resisting type silkworm frame |
| CN110388170A (en) * | 2019-06-26 | 2019-10-29 | 澳柯玛股份有限公司 | A kind of soft-hard coextrusion structure of French casement and its application in refrigeration product |
| CN110894327A (en) * | 2019-10-08 | 2020-03-20 | 佛山市龙异卫浴科技有限公司 | Manufacturing method of high-light-transmission soft-hard co-extrusion PVC adhesive tape |
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Effective date of registration: 20170601 Address after: 200436 room 238, No. three, 618, Jiang Tian Road, Shanghai Applicant after: Shanghai Fanshare Environmental Protection Technology Co., Ltd. Address before: 214242 Jiangsu city of Wuxi province Yixing City, Xu Yifeng industrial district Applicant before: JIANGSU FENGXIANG ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. |
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