CN1931564A - Production process of super strong glass fiber plastic tray - Google Patents
Production process of super strong glass fiber plastic tray Download PDFInfo
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- CN1931564A CN1931564A CN 200610053651 CN200610053651A CN1931564A CN 1931564 A CN1931564 A CN 1931564A CN 200610053651 CN200610053651 CN 200610053651 CN 200610053651 A CN200610053651 A CN 200610053651A CN 1931564 A CN1931564 A CN 1931564A
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Abstract
The present invention discloses production process of super strong GRP tray, and the super strong GRP tray is made with super strong GRP rod and super strong GRP plate and through ultrasonic, heating or pressurized welding. The super strong GRP tray may be made with only super strong GRP plate and the corresponding production process includes the steps of cutting material, forming, combining, welding or adhering. Or, super strong GRP tray may be made with super strong GRP plate and super strong GRP to form skeleton, and the corresponding production process includes the steps of cutting material, forming plate, locating the facing sheet, pressurizing the rods, welding, etc. The super strong GRP tray product has the advantages of high mechanical performance, powerful bearing capacity and low cost.
Description
Technical field
The present invention relates to the production technology of super strong glass fiber plastic tray.Its goods have mechanical property and load-carrying properties characteristics superpower, low processing cost.Its cost performance is better than conventional plastic pallet greatly, can be widely used in fields such as building, transportation and domestic life.
Background technology
In five big general-purpose plastics of polymer, polypropylene (PP) is a kind with fastest developing speed, and the PP modification can be divided into two kinds of methods of chemical modification and physical modification as PE.Chemical modification mainly is copolymerization, grafting, crosslinked etc., is that molecular structure by changing polypropylene (PP) is to reach the purpose of modification.Physical modification mainly is that adding additives such as blend, enhancing, filling are to give polypropylene (PP) new performance.To polypropylene (PP) modified object is to improve its intensity, rigidity, weatherability, resistance to impact, dyeability etc.
At present, new material development is very fast, the competition of the survival of the fittest is fierce more, many fields are just developed towards the direction of " to mould Dai Gang ", " to mould Dai Mu ", this trend is stimulating the research and development of new material, with roving glass fiber modified thermoplastic (as PP), given more excellent mechanical property of polymeric material, be present hot of research and development.
Traditional plastic pallet all adopts the forming method of injection moulding, this forming method, need large-scale injection machine and large-scale mould, and the plastic pallet of different size will have different moulds, the processing plastic pallet also will be joined the factory building and the large-tonnage driving of superelevation, so processing plastic pallet factory up-front investment is huge.Do 5,000 ten thousand yuan of plastic pallet factories of a yearly productive capacity, set up be equipped with, the mould investment will 2,000 ten thousand yuan.And the price ratio that the freight of common plastic pallet accounts for product is very high, sold inside the country 10 to 15 yuan/sheet of freight charges, account for about 5% of product price, 50 to 80 yuan/sheet of export trade transportation, account for 25 to 40% of product price, because of the cost of transportation of export trade is high especially, so present domestic plastic pallet product is difficult to sell to the international market.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned defective, has mechanical property and load-carrying properties are superpower, the production technology of the super strong glass fiber plastic tray of low processing cost and provide.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: the production technology of super strong glass fiber plastic tray, the technical measures of taking comprise: super strong glass fiber plastic (GFR-PP) material that pallet adopted is the bar and the super strong type GFR-PP sheet material of super strong type GFR-PP, and its making comprises super strong type GFR-PP sheet material welding molding production process; One-time continuous moulding or discontinuous post bake molding mode when the process of moulding adopts making sheet; Welding process adopts the ultrasonic wave connection, or the fusion of exerting pressure after adopting common heating that it is melted.
The technical measures of taking also comprise: super strong type GFR-PP bar manufacture craft is the head that glass fibre is placed on the plastic extruder of the forward position that is positioned at screw rod, extrude with the acrylic resin solution, the glass fibre of per share adhesion acrylic resin is pulled out head, cooling back the super strong glass fiber wire rod; The super strong glass fiber wire rod before cooling, flatten the super strong glass fiber sheet material; Sheet material is heated once more it is bonded together, again mould compacting or wheel repeatedly different directions roll the super strong glass fiber bar that becomes to need shape.
Super strong glass fiber board making technology is the head that glass fibre is placed on the plastic extruder of the forward position that is positioned at screw rod, extrude with the acrylic resin solution, the glass fibre of per share adhesion acrylic resin is pulled out head, cooling back the super strong glass fiber wire rod; The super strong glass fiber wire flattening the super strong glass fiber sheet material; Select for use two layers of thickness at least at 0.5mm to 2mm, width at the super strong glass fiber sheet material of 10mm-1500mm through intersecting mutually, angle will become the stack of " X " type to arrange, be warmed to 150 ℃ to 250 ℃, make the acrylic resin fusion, the mutual bonding one-tenth of super strong glass fiber sheet material together, the calendering by calender becomes the impulsive force that vertical, horizontal bears, the super strong glass fiber plate of load force equilibrium.
Super strong type GFR-PP sheet material welding molding production process is single with super strong type GFR-PP sheet material welding or bonding forming production technology, comprising:
The blanking step, adopt thickness 0.5mm to 5mm super strong type GFR-PP sheet material, the pallet dimension of making requires to have fallen respectively panel material and frame pin material on demand, and panel is selected to be made of a whole super strong type GFR-PP sheet material, or selects to constitute with several piece super strong type GFR-PP sheet material; Pallet needs three to four frame pin, and the frame pin is also made with super strong type GFR-PP sheet material, and it is suitable with the thickness specification of the super strong type GFR-PP sheet material that panel is used that the thickness of the super strong type GFR-PP sheet material of frame pin is selected, by the specification requirement of the pallet honest material that falls;
Forming step: adopt one-shot forming when board making; Office of employing portion heating means, make plastics softening to the heating of the position of need bending after, with mechanical means or mould super strong type GFR-PP sheet material is pressed into definite geometry (plastic multiple geometry).
Combination step: last, super strong type GFR-PP frame pin is following with the super strong type GFR-PP panel behind the forming step, and the super strong type GFR-PP panel becomes the combination of " ten " word with super strong type GFR-PP frame pin;
The welding step with two limit welding mutually about the bending towards of the bottom of the super strong type GFR-PP panel concave surface of ultrasonic plastic welder after with the moulding combination step and super strong type GFR-PP frame pin top, forms a knockdown welding pallet after the welding.Also can replace the method for welding to make panel and frame pin bonding forming with bonding method.
The end face envelope of super strong type GFR-PP frame pin has the end face capping, and the working of plastics of independent injection molded is adopted in the end face capping, and the end face of capping and super strong type GFR-PP frame pin selects for use the method for welding to fix, or selects for use the method for viscose glue to fix.
Super strong type GFR-PP sheet material and super strong type bar welding molding production process are for to make panel with the super strong type GFR-PP sheet material after the moulding, and the super strong type GFR-PP bar is as the combined type production technology of skeleton welding; Comprise:
The blanking step by the pallet specification honest material that need fall, is held super strong type GFR-PP sheet material the hole that skeleton is used is installed successfully, gets the length that specification needs and the super strong type GFR-PP bar of shape, and its super strong type GFR-PP bar cross sectional shape generally adopts " worker " type;
The plate forming step, need crooked position to adopt local heat to make super strong type GFR-PP sheet material softening, make its moulding with mechanical means, super strong type GFR-PP sheet material after the moulding, it above it tray panel, its underpart is the frame pin, and panel and frame pin are one, and sheet material and skeleton about pallet is used behind four formation of lots are formed;
The panel positioning step, with about the panel behind four formation of lots four keep flat the location, installing hole that positioning requirements will originally be held successfully is aimed at, and guarantees that it is point-blank;
Compress the bar step, an end that the super strong type GFR-PP bar is had the R shape is aimed at the centre that installing hole is pressed to panel, and biend exposes about each 20mm;
The welding step, the super strong type GFR-PP bar that the panel that presses the super strong type GFR-PP bar is exposed two ends heats simultaneously, disposable all super strong type GFR-PP bars that expose the exposed parts of two ends push to the center with whole pallet with molding die to make its softening back, and its end one-tenth " cap " shape and pallet two limits are fitted and connected; Form a knockdown welding pallet after the welding.
The end face envelope of super strong type GFR-PP frame pin has the end face capping, and the working of plastics of independent injection molded is adopted in the end face capping, and the end face of capping and super strong type GFR-PP frame pin selects for use the method for welding to fix, or selects for use the method for viscose glue to fix; Every tablet tray will be installed 6 to 24 bars, as the load support skeleton.
Compared with prior art, the material that super strong glass fiber plastic tray adopted that the present invention adopts is the bar and the super strong type GFR-PP sheet material of super strong type GFR-PP, and its making comprises super strong type GFR-PP sheet material welding molding production process; The process of moulding adopts local heat, or adopts mould molding or adopt the common mechanical mode; Welding process adopts ultrasonic wave, or adopts common heating that its fusing back extruding is fitted.Purposes of the present invention is quite extensive, and the one, the application in the logistics: all in the trade at home and abroad with automobile, container freight, in order to guarantee that goods is not transported, the damage of cargo handling process,, generally adopt various pallets in order to improve the efficient of loading and unloading.The 2nd, in storage,, adopt various pallets in a large number in order to ensure goods cleaning, dry, the raising of stacking neat, the inbound/outbound process efficient and the efficiency of loading and unloading; Supermarket shelves are in order to guarantee space availability ratio and to the protection needs of goods, must to adopt pallet.
The present invention produces the investment of fusing type combination super strong type GFR-PP tray apparatus and only needs 20% of traditional injection moulding moulding pallet, does not need the injection mold of cost costliness.The unit processing cost reduces by 2/3rds than conventional plastic pallet, and the cost of raw material reduces about 40%, and comprehensive unit cost reduces by 40%, and the bearing capacity of goods increases more than 20%.Fusing type, combination pallet can be assembled on the spot,, can reduce by 3/4ths to the cost of transportation of export trade like this, be sold inside the country and can reduce by 1/2nd, improve the competitiveness of product greatly.
The specific embodiment
Below in conjunction with embodiment the present invention is described in further detail.
The production technology of super strong glass fiber plastic tray, the material that super strong glass fiber plastic tray adopted are the bar and the super strong type GFR-PP sheet material of super strong type GFR-PP, and its making comprises super strong type GFR-PP sheet material welding molding production process; Continuously shaped or local heat when the process of moulding adopts making sheet adopts mould molding or adopts the common mechanical mode; Welding process adopts ultrasonic wave, or adopts common heating that its fusing back extruding is fitted.
Super strong glass fiber bar manufacture craft is the head that glass fibre is placed on the plastic extruder of the forward position that is positioned at screw rod, extrude with the acrylic resin melt, the glass fibre of per share adhesion acrylic resin is pulled out head, cooling back the super strong glass fiber wire rod; The super strong glass fiber wire flattening the super strong glass fiber sheet material; Sheet material is heated once more it is bonded together, again mould compacting or wheel repeatedly different directions roll the super strong glass fiber bar that becomes to need shape.
Super strong glass fiber board making technology is the head that glass fibre is placed on the plastic extruder of the forward position that is positioned at screw rod, extrude with the acrylic resin melt, the glass fibre of per share adhesion acrylic resin is pulled out head, cooling back the super strong type GFR-PP wire rod; The super strong type GFR-PP wire flattening the super strong type GFR-PP sheet material; Select for use at least two layers of thickness at 0.5mm to 2mm, width at the superpower shape GFR-PP of 10mm-1500m sheet material through intersecting mutually, angle will become the stack of " X " type to arrange, be warmed to 150 ℃ to 250 ℃, make the acrylic resin fusion, the mutual bonding one-tenth of super strong type GFR-PP sheet material together, the calendering by calender becomes the impulsive force that vertical, horizontal can bear, the super strong glass fiber plate of load force equilibrium.
Super strong type GFR-PP sheet material welding molding production process is single with super strong type GFR-PP sheet material welding molding production process, comprising:
The blanking step, adopt thickness 0.5mm to 5mm super strong type GFR-PP sheet material, the pallet dimension of making requires to have fallen respectively panel material and frame pin material on demand, panel is selected to be made of a whole super strong type GFR-PP sheet material, a pallet needs three to four frame pin, the frame pin is also made with super strong type GFR-PP sheet material, and it is suitable with the thickness specification of the used super strong type GFR-PP sheet material of panel that the thickness of the super strong type GFR-PP sheet material of frame pin is selected, by the specification requirement of the pallet honest material that falls;
Forming step, continuously shaped or office of portion heating means when adopting making sheet after position heating that need be crooked makes plastics softening, are pressed into definite geometry with mechanical means or mould with super strong type GFR-PP sheet material;
Combination step, last, super strong type GFR-PP frame pin is following to the super strong type GFR-PP panel behind the forming step, and the super strong type GFR-PP panel becomes the combination of " ten " word with super strong type GFR-PP frame pin;
Welding step with two limit welding mutually (or bonding) about the bending towards of the bottom of the super strong type GFR-PP panel concave surface of ultrasonic plastic welder after with the moulding combination step and super strong type GFR-PP frame pin top, forms a knockdown welding pallet after the welding.The end face envelope of super strong type GFR-PP frame pin has the end face capping, and the working of plastics of independent injection molded is adopted in the end face capping, and the end face of capping and super strong type GFR-PP frame pin selects for use the method for welding to fix, or selects for use the method for viscose glue to fix.
Super strong type GFR-PP sheet material and GFR-PP bar welding molding production process are for to make panel with the super strong type GFR-PP sheet material after the moulding, and the super strong type GFR-PP bar is as the combined type production technology of skeleton welding; Comprise:
The blanking step by the pallet specification honest material that need fall, is held super strong type GFR-PP sheet material the hole that skeleton is used is installed successfully, gets the length that specification needs and the super strong type GFR-PP bar of shape, and its super strong type GFR-PP bar cross sectional shape generally adopts " worker " type;
The plate forming step, need crooked position to adopt local heat to make super strong type GFR-PP sheet material, make its moulding with mechanical means, super strong type GFR-PP sheet material after the moulding, it above it tray panel, its underpart is the frame pin, and panel and frame pin are as a whole, and sheet material and bar about pallet is used behind four formation of lots are formed;
The panel positioning step, with about the panel behind four formation of lots four keep flat the location, installing hole that positioning requirements will originally be held successfully is aimed at, and guarantees that it is point-blank;
Compress the bar step, an end that the super strong type GFR-PP bar is had the R shape is aimed at the centre that installing hole is pressed to panel, and biend exposes about each 20mm;
Welding step, the super strong type GFR-PP bar that the panel that presses the super strong type GFR-PP bar is exposed two ends heats simultaneously, disposable all exposed parts super strong type GFR-PP bars that expose two ends push to the center with whole pallet with molding die to make its softening back, and its end one-tenth " cap " shape is connected with pallet two limits; The welding back forms a knockdown welding pallet.The end face envelope of super strong type GFR-PP frame pin has the end face capping, and the working of plastics of independent injection molded is adopted in the end face capping, and the end face of capping and super strong type GFR-PP frame pin selects for use the method for welding to fix, or selects for use the method for viscose glue to fix; Every tablet tray will be installed 6 to 24 bars, as the load support skeleton.
Under given conditions; pitch the requirement of operation on four sides for satisfying fork truck, also will open two of rectangular slots respectively, all will adopt plastic frame to be fixed around the groove of being opened with the method for welding (or bonding) to the side of frame pin; with the purpose that reaches protection and strengthen, improve the pallet life-span.
Though the present invention illustrates and describes by the reference preferred embodiment,, those skilled in the art should understand, and in the scope of claims, can do the various variation on form and the details.
Claims (8)
1, the production technology of super strong glass fiber plastic tray, it is characterized in that: the material that described super strong glass fiber plastic tray adopted: have two kinds, one list super strong type GFR-PP sheet material, the bar of its dual-purpose super strong type GFR-PP and the combination of super strong type GFR-PP sheet material, its making comprises super strong type GFR-PP sheet material welding molding production process; The process of described moulding adopts continuously shaped or employing local heat, employing mould molding or employing common mechanical mode when making sheet material; Described welding process adopts ultrasonic wave, or adopts common heating that its fusing back extruding is merged.
2, the production technology of super strong glass fiber plastic tray according to claim 1, it is characterized in that: described super strong glass fiber plastic bar manufacture craft is the head that glass fibre is placed on the plastic extruder of the forward position that is positioned at screw rod, extrude with the acrylic resin melt, the glass fibre of per share adhesion acrylic resin is pulled out head, cooling back the super strong glass fiber plastic wire rod; Described super strong glass fiber plastic wire flattening the super strong glass fiber plastic sheet material; Described sheet material is heated once more it is bonded together, again mould compacting or wheel repeatedly different directions roll the super strong glass fiber plastic bar that becomes to need shape.
3, the production technology of super strong glass fiber plastic tray according to claim 1, it is characterized in that: described super strong glass fiber plastic board making technology is the head that glass fibre is placed on the plastic extruder of the forward position that is positioned at screw rod, extrude with the acrylic resin melt, the glass fibre of per share adhesion acrylic resin is pulled out head, cooling back the super strong glass fiber plastic wire rod; Described super strong glass fiber plastic wire flattening the super strong glass fiber plastic sheet material; Super strong glass fiber plastic board selection two layers of thickness at least intersects through mutual at the 10mm-1500mm sheet material at 0.5mm to 2mm, width, angle will become the stack of " X " type to arrange, be warmed to 150 ℃ to 250 ℃, make the acrylic resin fusion, the mutual bonding one-tenth of super strong glass fiber plastic sheet material together, the calendering by calender becomes the impulsive force that vertical, horizontal can bear, the super strong glass fiber plate of load force equilibrium.
4, according to the production technology of claim 1 or 2 or 3 described super strong glass fiber plastic trays, it is characterized in that: described super strong type GFR-PP sheet material welding fabrication production technology, comprising with super strong type GFR-PP sheet material welding fabrication production technology for single:
The blanking step, adopt thickness 0.5mm to 5mm super strong type GFR-PP sheet material, the pallet dimension of making requires to have fallen respectively panel material and frame pin material on demand, and panel is selected to be made of a whole super strong type GFR-PP sheet material, or selects to constitute with several piece super strong type GFR-PP sheet material; Pallet needs three to four frame pin, and the frame pin is also made with super strong type GFR-PP sheet material, and the thickness specification of the super strong type GFR-PP sheet material that the thickness selection of the super strong type GFR-PP sheet material of frame pin and panel are used is similar substantially, by the specification requirement of the pallet honest material that falls;
Forming step, continuously shaped or local heat when adopting making sheet is pressed into definite geometry with mechanical means or mould with super strong type GFR-PP sheet material;
Combination step, last, super strong type GFR-PP frame pin is following to the super strong type GFR-PP panel behind the forming step, and the super strong type GFR-PP panel becomes the combination of " ten " word with super strong type GFR-PP frame pin;
The welding step is welded or bonding mutually with two limit about the bending towards of the bottom of the super strong type GFR-PP panel concave surface of ultrasonic plastic welder after with the moulding combination step and super strong type GFR-PP frame pin top, and the welding back forms a knockdown welding pallet.
5, the production technology of super strong glass fiber plastic tray according to claim 4, it is characterized in that: the end face envelope of described super strong type GFR-PP frame pin has the end face capping, the working of plastics of independent injection molded is adopted in the end face capping, the end face of capping and super strong type GFR-PP frame pin selects for use the method for welding to fix, or selects for use the method for viscose glue to fix.
6, according to the production technology of claim 1 or 2 or 3 described super strong glass fiber plastic trays, it is characterized in that: described super strong type GFR-PP sheet material welding molding production process is for to make panel with the super strong type GFR-PP sheet material after the moulding, and the super strong type GFR-PP bar is as the combined type production technology of skeleton welding; Comprise:
The blanking step by the pallet specification honest material that need fall, is held super strong type GFR-PP sheet material the hole that skeleton is used is installed successfully, gets the length that specification needs and the super strong type GFR-PP bar of shape, and its super strong type GFR-PP bar cross sectional shape generally adopts " worker " type;
The plate forming step needs crooked position to adopt local heat to make super strong type GFR-PP sheet material, makes its moulding with mechanical means, super strong type GFR-PP sheet material after the moulding, be tray panel above it, its underpart is the frame pin, and sheet material and skeleton about pallet is used behind four formation of lots are formed;
The panel positioning step, with about the panel behind four formation of lots four keep flat the location, installing hole that positioning requirements will originally be held successfully is aimed at, and guarantees that it is point-blank;
Compress the bar step, an end that the super strong type GFR-PP bar is had the R shape is aimed at the centre that installing hole is pressed to panel, and biend exposes about each 20mm;
The welding step, the super strong type GFR-PP bar that the panel that presses the super strong type GFR-PP bar is exposed two ends heats simultaneously, disposable all exposed parts super strong type GFR-PP bars that expose two ends push to the center with whole pallet with molding die to make its softening back, and its end one-tenth " cap " shape is connected with pallet two limits; Form a knockdown welding pallet after the welding.
7, the production technology of super strong glass fiber plastic tray according to claim 6, it is characterized in that: the end face envelope of described super strong type GFR-PP frame pin has the end face capping, the working of plastics of independent injection molded is adopted in the end face capping, the end face of capping and super strong type GFR-PP frame pin selects for use the method for welding to fix, or selects for use the method for viscose glue to fix; Every tablet tray will be installed 6 to 24 bars, as the load support skeleton.
8, the production technology of super strong glass fiber plastic tray according to claim 6 is characterized in that: the side of described pin is opened two of rectangular slots respectively, all adopts plastic frame to be fixed with welding or bonding way around the groove of being opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610053651 CN1931564A (en) | 2006-09-28 | 2006-09-28 | Production process of super strong glass fiber plastic tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610053651 CN1931564A (en) | 2006-09-28 | 2006-09-28 | Production process of super strong glass fiber plastic tray |
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| CN1931564A true CN1931564A (en) | 2007-03-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018017536A1 (en) * | 2016-07-20 | 2018-01-25 | Sabic Global Technologies B.V. | Methods of making glass-filled polypropylene articles |
| RU2778925C1 (en) * | 2021-10-25 | 2022-08-29 | Общество с ограниченной ответственностью Управляющая компания "Алтайский завод прецизионных изделий" | Plastic pallet fitting method |
-
2006
- 2006-09-28 CN CN 200610053651 patent/CN1931564A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018017536A1 (en) * | 2016-07-20 | 2018-01-25 | Sabic Global Technologies B.V. | Methods of making glass-filled polypropylene articles |
| RU2778925C1 (en) * | 2021-10-25 | 2022-08-29 | Общество с ограниченной ответственностью Управляющая компания "Алтайский завод прецизионных изделий" | Plastic pallet fitting method |
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