CN1394734A - Production method of glass fibre reinforced plastic product and its equipment - Google Patents
Production method of glass fibre reinforced plastic product and its equipment Download PDFInfo
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- CN1394734A CN1394734A CN 02134488 CN02134488A CN1394734A CN 1394734 A CN1394734 A CN 1394734A CN 02134488 CN02134488 CN 02134488 CN 02134488 A CN02134488 A CN 02134488A CN 1394734 A CN1394734 A CN 1394734A
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Abstract
The present invention discloses a method for making GFRP product by utilizing integral forming process and its equipment. Said equipment includes handwheel, bevel gears, wormwheel and worm which are mutually connected and made into a liked system, and said invention utilzies the different turning directions of the handwheel to produce systematic linkage to regulate elevation angle or depression angle of its outer die, the horizontal rotating shaft is connected with centre of die seat of the outer die, the interior of the outer die is equipped with a rubber die so as to implement rotation or rubber die. It basic matched material is formed from (by weight portion) unsaturated polyester resin 1000, silicon dioxide thickener 5-12, accelerator organit cobalt salt 0-5 and solidifying agent methyl-ethyl-ketone 3-5. It is stable in product quality and is applicable to production of GFRP products.
Description
Technical field the present invention relates to a kind of manufacture method and equipment of glass fiber reinforced plastics product, more particularly, relates to a kind of method of integral manufacturing glass fiber reinforced plastics product and the equipment that adapts with this this method.
Background technology in the prior art, generally the manufacture method of the glass fiber reinforced plastics product of Cai Yonging is that the goods body portion is made respectively into two, and then with glass fabric and unsaturated-resin adhering and solidifying, if some position of the goods of making is inwardly outstanding or complex-shaped, be bonded together again after then needing to make separately, the shortcoming of this technology is that the bonding place needs to polish, product is yielding, easily break, the not firm or imprecision of structure of bonding place, has drawbacks such as troublesome poeration, unstable product quality and cost of manufacture height simultaneously.
Summary of the invention the object of the present invention is to provide a kind of integration to make glass fiber reinforced plastics product, make that goods do not have branch mould spue line, constant product quality, goods are not yielding and break, the structure of bonding place is firm and rigorous methods and simple in structure, the easy to operate equipment that adapts with this method.
In order to achieve the above object, the present invention has designed the equipment that following a kind of global formation is made glass fiber reinforced plastics product, each parts places on the frame, this equipment is mainly by balance weight (4), bevel gear (7), external mold (8), worm gear (11), rotating shaft (12), worm screw (13), handwheel (15), bevel gear (17) and rubber moulding (18) constitute, handwheel (15), bevel gear (7), bevel gear (17), worm screw (13) and worm gear (11) the formation linked system that is connected with each other successively, and the elevation angle or the angle of depression of external mold (8) are adjusted in the interlock that produces system of the different rotation directions by handwheel (15), the rotating shaft that is the level of state (12) links to each other with the die holder center of external mold (8), external mold (8) by with mould bases (3) that rotating shaft (12) links to each other on balance weight (4) come balance external mold (8), the weight of rubber moulding (18) and goods, be split type rubber moulding (18) with complete machine and be positioned at the inner chamber of external mold (8) and the inwall that its outer wall is close to external mold (8), rubber moulding (18) is identical with size with the shape of the glass fiber reinforced plastics product of made, and external mold (8) adapts each other with the shape and the size of rubber moulding (18).This equipment is adjusted the elevation angle or the angle of depression of external mold (8) by the operation of linked system, and drives tight attached external mold (8) and glass fabric on it and rotate by rotating external mold (8), can make uncured unsaturated polyester resin brushing thickness even and do not have a vacancy point.Specifically, by external mold (8) fixedly rubber moulding (18) and goods blank, weight by balance weight (4) balance external mold (8) and goods, when clockwise rotating handwheel (15), drive bevel gear (7) and rotate counterclockwise, bevel gear (17) clockwise rotates, worm screw (13) clockwise rotates, worm gear (11) rotates counterclockwise, and adjust the elevation angle of external mold (8) this moment, otherwise then adjust the angle of depression of external mold (8).
The present invention's technical scheme preferably is: the rotating shaft of equipment (12) is equipped with balance weight (16) or motor (19) away from an end of external mold (8), and balance weight (16) or motor (19) are locked by lock sleeve (5).That is to say, when the heavier goods of moulding, adopt balance weight (16) with the rotation and the adjustment that keep equilibrium of forces and guarantee external mold (8) face upward, the operation at the angle of depression is smooth and easy; When not needing balance weight (16) when the lighter goods of moulding, pull down balance weight (16) and replace motor (19) this moment, can drive the rotation of external mold (8) by starter motor (19), just need not be when moulding hand-turning external mold (8), reach the uniform purpose of resin batching brushing.
The present invention's technical scheme preferably can be: external mold (8) also has inner ring (23) and in order to the metal outer ring (22) of consolidated article annex rubber moulding and inner ring (23), metal outer ring (22) is identical with the die orifice size of external mold (8), inner ring (23) the center have sprue (24), identical and its shape of the internal diameter of the external diameter of inner ring (23) and metal outer ring (22) and size are identical with goods annex rubber moulding die orifice, goods annex rubber moulding places within the inner ring (23) and by metal outer ring (22) and is nested, goods annex rubber moulding die orifice all is hidden in before matched moulds or behind the matched moulds within metal outer ring (22) and the inner ring (23), external mold (8) die orifice periphery has a plurality of buckles (20), buckle (20) is external mold (8) fixedly, metal outer ring (22), inner ring (23) and rubber moulding (18) have the screw (21) of a plurality of fixedly inner rings (23) in one on the periphery of metal outer ring (22).When adopting clamping system that a plurality of parts are become a monolithic article, can realize that in type blank main body docks with the rubber moulding die orifice of goods annex by the aforementioned structure of external mold (8), two or more in type fiberglass blanks are integrated.
The present invention makes the method for glass fiber reinforced plastics product with aforementioned device, adopt unsaturated polyester resin and glass fabric to make major ingredient, add curing agent and promoter in the curing molding process, this manufacture process comprises: (1) is prepared burden and is stirred by following raw material and parts by weight earlier: unsaturated polyester resin 1000, silicon dioxide thickening agents 5-12, the promoter organic cobalt salt, 0-5, curing agent ethyl methyl ketone 3-5 part, (2) are to the external coating releasing agent of rubber moulding (18) then, evenly brush aforementioned batching, rotate back and forth handwheel (15) and adjust die angle, lay the ground floor glass fabric, evenly brush aforementioned batching after 10 ± 5 minutes, rotate external mold (8) simultaneously and come back rotation handwheel (15), (3) are according to the quadrat method brushing second layer or multilayer woven glass fabric, curing and demolding then.The present invention can adopt unsaturated polyester resins for general purpose, is that 168-2,168-3 and 191 all can adopt with the trade mark for example; It is the thickener of SD-400J, SD-400Y that silicon dioxide thickening agents can adopt the trade mark, and per 1000 parts by weight unsaturated polyester resins add silicon dioxide thickening agents 5-12 part and get final product, and the denseness that can make batching like this is convenient to operation in suitable scope; Promoter can be adopted the cobalt compounds, for example cobalt iso-octoate and cobalt naphthenate, they all have good facilitation to the curing of unsaturated polyester resin, the amount of using is not too high or too low, general per 1000 parts by weight unsaturated polyester resins add promoter 0-5 part and get final product, and addition changes with operating temperature, when operating temperature more than 24 ℃ the time, can not add promoter, get final product and can add 5 parts or low slightly amount in time below 10 ℃; The curing agent ethyl methyl ketone that adds 3-5 part in the batching by the unsaturated polyester resin of per 1000 parts of weight, the effect of curing agent and promoter all is to quicken unsaturated polyester resin to solidify, resin crosslinks was too fast when dosage was too much, goods embrittlement intensity is low, crosslinkedly too fastly also may produce the fiberglass crack performance, dosage is crossed at least resin crosslinks and is crossed and promptly solidify too slowly slowly, is unfavorable for operation.
The present invention's technical scheme preferably can be: the powdered whiting that adds 1000-1300 part in the batching by the unsaturated polyester resin of per 1000 parts of weight.The granularity of used powdered whiting should be tried one's best carefully to well, the general above granularity of 500 orders that adopts is just passable, the adding of powdered whiting can reduce the cost of glass fiber reinforced plastics product and increase the weight of goods, when making the goods that need increase the weight of, adopt, for example when making flowerpot and trophy, increase when point weight is beneficial to equilibrium of forces or gives a kind of precious sense and can add an amount of powdered whiting, general per 1000 parts by weight unsaturated polyester resins add powdered whiting 1000-1300 part and get final product, add the physical mechanical strength impact strength step-down especially too much can make goods, added and increased weight not obviously at least, do not reach its intended purposes.
The present invention's technical scheme preferably also can be: the glass fiber powder that adds 100-600 part in the batching by the unsaturated polyester resin of per 1000 parts of weight, the purpose that adds glass fiber powder is in order to increase the intensity of goods, to add in batching when being preferably in the interlayer intermediate layer when making the compound glass steel part that some glass fiber powders are more favourable to the physical and mechanical properties that improves goods.
The present invention's technical scheme preferably also can be: adopt the vacuum demoulding, rubber moulding (18) taken out to be placed in the sealing metal chamber that links to each other with vavuum pump from external mold (8) vacuumize the demoulding, adopting the vacuum demoulding mainly is in order to enhance productivity, because shape of products is different, the artificial demoulding is inconvenient operation sometimes, and the vacuum release method all is suitable for the goods of different shape, and the vacuum during the vacuum demoulding is unimportant, control lower vacuum, need only disengagement and don't cause product deformation.
The present invention's technical scheme preferably can be again: can carry out annex butt joint and in interface brushing batching, two in type fiberglass parts are integrated, adopt clamping system that a plurality of parts moulds are synthesized a monolithic article.This method is applicable to have a plurality of parts and under the inconvenient situation of one-shot forming, for example make trophy, and it has cup, base and band word base plate, can not one-shot forming, just can adopt this method.For example, when with cup body main body and the rim of a cup matched moulds of trophy, unclamp holding screw (21) earlier, take off inner ring (23), the rim of a cup rubber moulding is enclosed within on the inner ring (23), open buckle (20), take off metal outer ring (22) and be enclosed within on the rim of a cup rubber moulding, tighten holding screw (21), material feeding, carrying out rim of a cup makes, and on this equipment, carry out glass body synchronously and make, after about 10 minutes, lift the metal outer ring (22) that is fixed together, rim of a cup that has solidified and rubber moulding thereof and inner ring (23), aim at external mold (8), be that external mold (8) is aimed in metal outer ring (22), rim of a cup is aimed at cup body, fastening buckle (20) then, by sprue (24) material feeding, the forming operation and the demoulding get final product at last.Owing to be dynamic operation on former, can guarantee that goods need not to polish, product is not yielding, be difficult for breaking, the structure of bonding place is firm.
Compared with prior art, the present invention has following tangible advantage: 1, device structure is simple and rationally, easy operating and have the flexibility of operation; 2, process is simple, and is easy to operate, and the steady quality of product is reliable; 3, overcome goods body portion making respectively into two in the prior art, and then with the drawback of glass fabric and unsaturated-resin adhering and solidifying, be suitable for the making of the inwardly outstanding or complex-shaped goods in some position, product is not yielding, be difficult for breaking, the structure of bonding place is firm and tight.
Description of drawings is following further to be described former of the present invention by the drawing explanation:
Fig. 1 is an A-A cutaway view of the present invention;
Fig. 2 is the A-A side view of Fig. 1;
Fig. 3 is the structural representation of Fig. 1 plane of symmetry;
Fig. 4 is the die orifice structural representation of metal outer mold (8);
Fig. 5 is the stationary state structural representation of metal outer ring (22);
Fig. 6 is the structural representation of inner ring (23).
Among the figure: the 1st, bevel gear frame up and down, the 2nd, worm gear frame, the 3rd, mould bases, the 4th, balance weight, the 5th, lock sleeve, the 6th, bearing block assembly, the 7th, bevel gear, the 8th, external mold, the 9th, die holder, the 10th, lock screw, the 11st, worm gear, the 12nd, rotating shaft, the 13rd, worm screw, the 14th, worm-wheel shaft, the 15th, handwheel, the 16th, balance weight (this position also can be a motor 19), the 17th, bevel gear, the 20th, the buckle of die orifice periphery, the 21st, holding screw, the 22nd, metal outer ring, the 23rd, inner ring.
With reference to Fig. 1-Fig. 3, this global formation is made each parts of the equipment of glass fiber reinforced plastics product and is put On frame, it mainly by balance weight (4), bevel gear (7), external mold (8), worm gear (11), Rotating shaft (12), worm screw (13), handwheel (15), bevel gear (17) and rubber moulding (18) structure Become handwheel (15), bevel gear (7), bevel gear (17), worm screw (13) and worm gear (11) The formation that is connected with each other successively linked system, the rotating shaft that is the level of state (12) and external mold (8) The die holder center link to each other, external mold (8) by with mould bases (3) that rotating shaft (12) links to each other on Balance weight (4) come the weight of balance external mold (8), rubber moulding (18) and goods, rotating shaft (12) End away from external mold (8) is equipped with balance weight (16) or motor (19), balance weight (16) Or motor (19) is by lock sleeve (5) locking, and the die orifice periphery has screw or buckle (20).
With reference to Fig. 4-Fig. 6, external mold (8) also has inner ring (23) and attached in order to consolidated article The metal outer ring (22) of part rubber moulding and inner ring (23), metal outer ring (22) and external mold (8) The die orifice size identical, the center of inner ring (23) has sprue (24), external mold (8) mould The button periphery has a plurality of buckles (20), has a plurality of fixedly inner rings on the periphery of metal outer ring (22) (23) holding screw (21).
The specific embodiment is following carries out more detailed description by specific embodiment to method of the present invention:
Embodiment 1, and flowerpot is made
(1) batching: press 1000 parts of unsaturated polyester resin 168-2 weight, 1200 parts of 800 order powdered whitings, silicon dioxide thickening agents SD-400J8 part, 1 part of cobalt iso-octoate EC-8 promoter, mixing also stirs, in 20 ℃ of operations of room temperature, add 4 parts of MEK 1-2 again by 1000 parts of unsaturated polyester resin weight before using
#And stir; (2) installation and coating release agent: the flowerpot external mold is contained on the mould rack, the flowerpot rubber moulding is contained in the external mold, brushing releasing agent vaseline in the rubber moulding; (3) forming operation: in batching, add curing agent ethyl methyl ketone and stir in described ratio, and pour in the rubber moulding this batching an amount of, rotate external mold and pull handwheel adjustment die angle back and forth, spread glass fabric then, pour the batching that adds curing agent after 10 minutes into, even with the preliminary brush of brush, rotate external mold and pull handwheel adjustment die angle back and forth, on the second layer glass fabric of having spread, add the uniform fiber slurry that contains fiber powder (the fiber powder: the batching that has added curing agent is 1: 5 weight ratio) after 10 minutes, even with the preliminary brush of brush, rotate external mold and pull handwheel adjustment die angle back and forth, after 10 minutes to the batching of an amount of aforementioned not fibre-bearing powder of the triplex glass fiber cloth of having spread, even with the preliminary brush of brush, the rotation external mold is also pulled handwheel back and forth and is adjusted die angle; (4) demoulding: rubber moulding and interior one-tenth parison thereof are taken out from external mold in the promptly stiff back of resin solidification, place the sealing metal chamber that links to each other with vavuum pump to vacuumize the demoulding.
Embodiment 2 flowerpots are made
Method, step and other condition are the same, and in 5 ℃ of operations of room temperature, different is to use following prescription: 168-2 unsaturated polyester resin 1000,600 order powdered whitings 1100, SD-400Y silicon dioxide thickening agents 10, EC-10 promoter organic cobalt salt 5, curing agent 1-2
#5 parts of MEKs.
Embodiment 3 trophies are made
(1)-(4) method, step and other condition are with example 1, in 25 ℃ of operations of room temperature, make rim of a cup, cup body, base respectively, use separately rubber moulding and corresponding external mold, different is to use following prescription: 1000 parts of 168-3 unsaturated polyester resins, 1300 parts of 888 order powdered whitings, SD400-J silicon dioxide thickening agents 5, promoter organic cobalt salt 0,3 parts of EC-12 curing agent ethyl methyl ketone.
(5) rim of a cup and cup body matched moulds: in type cup body rubber moulding is contained in coating release agent in the corresponding external mold, and be contained on the mould rack, in type rim of a cup rubber moulding is contained in the corresponding external mold, coating release agent, in the forming operation method of embodiment 1 they (3), successively add the triplex glass fiber cloth and operate equally and get final product; (6) carry out being connected of glass body bottom and base by the method for (5); (7) making of word mark base plate, base are connected with word mark base plate: rubber moulding is placed on the base plate, and the word mark puts corresponding aluminium frame up, even brushing releasing agent is pressed the preceding method moulding on the rubber moulding, successively adds the triplex glass fiber cloth and operates equally, base after the demoulding is placed on the word mark base plate, get aforementioned batching and pour in right amount in the mould, rock back and forth making the batching be evenly distributed, spread glass fabric, add aforementioned batching again, rock back and forth batching is evenly distributed, solidify the demoulding after about 10 minutes.
(1)-(7) method, step and other condition are with example 3, in 15 ℃ of operations of room temperature, different is to use following prescription: 1000 parts of 168-2 unsaturated polyester resins, 1000 parts of 800 order powdered whitings, SD400-J silicon dioxide thickening agents 12, promoter organic cobalt salt 3,4 parts of EC-12 curing agent ethyl methyl ketone.
Claims (8)
1, a kind of global formation is made the equipment of glass fiber reinforced plastics product, each parts places on the frame, the rubber moulding that also comprises one or more goods annexes, it is characterized in that: equipment is mainly by balance weight (4), bevel gear (7), external mold (8), worm gear (11), rotating shaft (12), worm screw (13), handwheel (15), bevel gear (17) and rubber moulding (18) constitute, handwheel (15), bevel gear (7), bevel gear (17), worm screw (13) and worm gear (11) the formation linked system that is connected with each other successively, and the elevation angle or the angle of depression of external mold (8) are adjusted in the interlock that produces system of the different rotation directions by handwheel (15), the rotating shaft that is the level of state (12) links to each other with the die holder center of external mold (8), external mold (8) by with mould bases (3) that rotating shaft (12) links to each other on balance weight (4) come balance external mold (8), the weight of rubber moulding (18) and goods, be split type rubber moulding (18) with complete machine and be positioned at the inner chamber of external mold (8) and the inwall that its outer wall is close to external mold (8), rubber moulding (18) is identical with size with the shape of the glass fiber reinforced plastics product of made, and external mold (8) adapts each other with the shape and the size of rubber moulding (18).
2, equipment according to claim 1 is characterized in that: rotating shaft (12) is equipped with balance weight (16) or motor (19) away from an end of external mold (8), and balance weight (16) or motor (19) are locked by lock sleeve (5).
3, equipment according to claim 1, it is characterized in that: external mold (8) also has inner ring (23) and in order to the metal outer ring (22) of consolidated article annex rubber moulding and inner ring (23), metal outer ring (22) is identical with the die orifice size of external mold (8), inner ring (23) the center have sprue (24), identical and its shape of the internal diameter of the external diameter of inner ring (23) and metal outer ring (22) and size are identical with goods annex rubber moulding die orifice, goods annex rubber moulding places within the inner ring (23) and by metal outer ring (22) and is nested, goods annex rubber moulding die orifice all is hidden in before matched moulds or behind the matched moulds within metal outer ring (22) and the inner ring (23), external mold (8) die orifice periphery has a plurality of buckles (20), buckle (20) is external mold (8) fixedly, metal outer ring (22), inner ring (23) and rubber moulding (18) have the screw (21) of a plurality of fixedly inner rings (23) in one on the periphery of metal outer ring (22).
4, with the method for the described manufacturing glass steel part of claim 1, adopt unsaturated polyester resin and glass fabric to make major ingredient, add curing agent and promoter in the curing molding process, it is characterized in that manufacture process comprises:
(1) prepare burden and stir by following raw material and parts by weight earlier: unsaturated polyester resin 1000, silicon dioxide thickening agents 5-12, promoter organic cobalt salt 0-5, curing agent ethyl methyl ketone 3-5 part, then
(2) to the external coating releasing agent of rubber moulding (18), evenly brush aforementioned batching, rotate back and forth that handwheel (15) is adjusted die angle, laid the ground floor glass fabric, the even aforementioned batching of brushing after 10 ± 5 minutes, rotate external mold (8) simultaneously and come back rotation handwheel (15), then
(3) according to the quadrat method brushing second layer or multilayer woven glass fabric, curing and demolding.
5, method according to claim 4 is characterized in that: the powdered whiting that adds 1000-1300 part in the batching by the unsaturated polyester resin of per 1000 parts of weight.
6, according to claim 4 or 5 described methods, it is characterized in that: the glass fiber powder that adds 100-600 part in the batching by the unsaturated polyester resin of per 1000 parts of weight.
7, method according to claim 4 is characterized in that: adopt the vacuum demoulding, rubber moulding (18) is placed in the sealing metal chamber that links to each other with vavuum pump from external mold (8) taking-up vacuumizes the demoulding.
8, method according to claim 4 is characterized in that: can carry out annex butt joint and in interface brushing batching, two in type fiberglass parts are integrated, adopt clamping system that a plurality of parts moulds are synthesized a monolithic article.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02134488 CN1232390C (en) | 2002-07-29 | 2002-07-29 | Production method of glass fibre reinforced plastic product and its equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02134488 CN1232390C (en) | 2002-07-29 | 2002-07-29 | Production method of glass fibre reinforced plastic product and its equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1394734A true CN1394734A (en) | 2003-02-05 |
| CN1232390C CN1232390C (en) | 2005-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 02134488 Expired - Fee Related CN1232390C (en) | 2002-07-29 | 2002-07-29 | Production method of glass fibre reinforced plastic product and its equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555127A (en) * | 2011-12-09 | 2012-07-11 | 上海澳金玻璃钢制品有限公司 | Production process for counter basin with double-sided adhesive coat |
| CN104045987A (en) * | 2014-07-01 | 2014-09-17 | 安徽航达环保科技有限公司 | Formula and production process of glass fiber-reinforced plastic composite material |
| CN111025445A (en) * | 2019-12-10 | 2020-04-17 | 深圳先进技术研究院 | Method and device for manufacturing flexible grating based on PDMS |
| CN116922644A (en) * | 2023-09-14 | 2023-10-24 | 山东盛宝复合材料科技有限公司 | Glass fiber reinforced plastic tank production die |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100569480C (en) * | 2007-08-10 | 2009-12-16 | 韶关市蓝滤科技实业有限公司 | A kind of FRP roller |
-
2002
- 2002-07-29 CN CN 02134488 patent/CN1232390C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555127A (en) * | 2011-12-09 | 2012-07-11 | 上海澳金玻璃钢制品有限公司 | Production process for counter basin with double-sided adhesive coat |
| CN104045987A (en) * | 2014-07-01 | 2014-09-17 | 安徽航达环保科技有限公司 | Formula and production process of glass fiber-reinforced plastic composite material |
| CN111025445A (en) * | 2019-12-10 | 2020-04-17 | 深圳先进技术研究院 | Method and device for manufacturing flexible grating based on PDMS |
| CN116922644A (en) * | 2023-09-14 | 2023-10-24 | 山东盛宝复合材料科技有限公司 | Glass fiber reinforced plastic tank production die |
| CN116922644B (en) * | 2023-09-14 | 2023-12-29 | 山东盛宝复合材料科技有限公司 | Glass fiber reinforced plastic tank production die |
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| CN1232390C (en) | 2005-12-21 |
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Granted publication date: 20051221 |