CN113370554A - Preparation method of glass fiber model - Google Patents
Preparation method of glass fiber model Download PDFInfo
- Publication number
- CN113370554A CN113370554A CN202110629922.9A CN202110629922A CN113370554A CN 113370554 A CN113370554 A CN 113370554A CN 202110629922 A CN202110629922 A CN 202110629922A CN 113370554 A CN113370554 A CN 113370554A
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- Prior art keywords
- glass fiber
- die
- curing agent
- coating
- glue
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- 239000003365 glass fiber Substances 0.000 title claims abstract description 88
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 51
- 239000011248 coating agent Substances 0.000 claims abstract description 39
- 238000000576 coating method Methods 0.000 claims abstract description 39
- 239000003292 glue Substances 0.000 claims abstract description 29
- 229920005989 resin Polymers 0.000 claims abstract description 29
- 239000011347 resin Substances 0.000 claims abstract description 29
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 238000004018 waxing Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000007493 shaping process Methods 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 230000001680 brushing effect Effects 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical group CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/70—Maintenance
- B29C33/72—Cleaning
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
Abstract
The invention relates to the technical field of model preparation, in particular to a method for preparing a glass fiber model. Which comprises the following steps: cleaning the die; mixing gel coat resin and a curing agent, respectively coating the mixture of the gel coat resin and the curing agent on the surfaces of the upper die and the lower die, and coating again after curing; mixing glue and a curing agent, respectively coating the mixture of the glue and the curing agent on the surfaces of an upper die and a lower die, respectively paving a layer of glass fiber on the upper die and the lower die, and then coating the mixture of the glue and the curing agent on the glass fiber; and (3) closing the upper die and the lower die, waxing the joint of the dies, and demolding after shaping. The invention has the beneficial effects that: compared with the traditional resin model, the glass fiber prepared by the invention has the advantages that the weight is reduced, and the strength of the prepared model is more than 5 times that of the resin model.
Description
Technical Field
The invention relates to the technical field of fiber model preparation, in particular to a method for preparing a glass fiber model.
Background
The exhibition model can make people can be more audio-visual the outward appearance of sight exhibit, to the exhibition of panorama model, makes things convenient for the audio-visual outward appearance of observing whole model of people, improves the audio-visual nature that people watched.
Patent CN201010211028.1 discloses a plastic model, which comprises the following raw materials in parts by weight: 20-40 parts of uniform polyvinyl chloride powder, 30-50 parts of emulsified polyvinyl chloride powder, 10-20 parts of plastic oil, 2-10 parts of hard oil, 2-5 parts of viscosity reducer, 1-2 parts of stabilizer, 0.5-1 part of release agent, 10-20 parts of melamine resin powder and 5-10 parts of wood fiber powder; the invention also provides a production method thereof, which comprises the following steps: (2) weighing; (3) mixing; (4) coloring; (5) taking materials; (6) arranging a salt tank and a water tank; (7) putting the mould filled with the plasticized slurry into a salt tank for heating and shaping; (8) demolding; (9) and (5) cutting off scraps to prepare the plastic model. The plastic model and the production method thereof provided by the invention have the advantages of high surface smoothness, no parting line, simple process, convenience in operation and easiness in forming large-scale production.
The resin model is the most used model, and in the exhibition process, the model needs to be transported according to the exhibition condition, and because the resin model is heavier, the difficulty in transportation and transportation is increased, and meanwhile, the resin model is fragile and easy to crack, and is difficult to transport for a long distance.
Disclosure of Invention
The invention aims to provide a method for preparing a glass fiber model so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides a preparation method of a glass fiber model, which comprises the following steps:
s1, cleaning the die: waxing the surfaces of an upper die and a lower die, wiping the surfaces clean, then brushing a release agent, and standing for 1-2 hours at normal temperature;
s2, mixing gel coat resin and a curing agent, wherein the mass ratio of the curing agent to the gel coat resin is 2-3:100, respectively coating the mixture of the gel coat resin and the curing agent on the surfaces of an upper die and a lower die, wherein the coating amount is 0.1-0.5kg/m2, and after curing, coating again, wherein the coating amount is 0.1-0.3kg/m 2;
s3, mixing glue and a curing agent, wherein the mass ratio of the curing agent to the glue is 1-3:100, respectively coating the mixture of the glue and the curing agent on the surfaces of an upper die and a lower die, then respectively paving a layer of glass fiber on the surfaces of the upper die and the lower die, wherein the mass ratio of the glass fiber to the glue is 1.8:2-1, then coating the mixture of the glue and the curing agent on the glass fiber, and the glass fiber is placed at intervals in the horizontal and vertical directions, so that the toughness and the strength of the product are ensured;
and S4, closing the upper die and the lower die, waxing the joint of the dies, and demolding after shaping.
Preferably, in S1, the number of waxing and wiping is 4.
Preferably, the curing agent is methyl ethyl ketone peroxide.
Preferably, the glue is o-benzene type unsaturated polyester resin.
Preferably, in S3, each layer of glass fiber needs to be rolled and compacted by a roller.
Preferably, the number of the layers of the glass fiber is 4-5.
Preferably, before the mold is closed, the excess glass fiber around the mold is removed.
Preferably, when the mold is closed, the edge of the closed mold is scraped by silicon dioxide, and a layer of glass fiber is manufactured at the edge of the mold.
Preferably, in the step S4, the setting time is 24-48 h.
Preferably, after the mold is closed, the mold is clamped by a clamp.
Preferably, in S4, the shaped mold is demolded, and after demolding, dewaxing, polishing, assembling, finishing, coating and packaging are sequentially performed.
Compared with the prior art, the invention has the beneficial effects that:
1. in the preparation method of the glass fiber model, compared with the traditional resin model, the weight of the glass fiber prepared by the invention is reduced, the weight of the resin model is 3-4 times of that of the resin model, and the strength of the model prepared by the invention is more than 5 times of that of the resin model.
2. According to the preparation method of the glass fiber model, the surface of the mold is coated with the gel coat, so that the flatness and the smoothness of the surface of the mold can be enhanced, and the surface of the mold is coated with the curing agent, so that the ageing resistance of the mold can be enhanced, and the flatness of the surface of the mold can be enhanced.
3. In the preparation method of the glass fiber model, the glass fibers are placed at intervals in the transverse and vertical directions, so that the tensile strength of the mold can be improved.
Drawings
FIG. 1 is a view showing the arrangement of glass fibers in the present invention.
The various reference numbers in the figures mean:
1. a glass fiber placed transversely; 2. glass fiber placed vertically.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1 a method of making a glass fiber mold comprising the steps of:
(1) cleaning the die: after waxing the surfaces of the upper die and the lower die, wiping the surfaces clean, repeating the steps of waxing and wiping for four times, and then brushing a release agent, wherein the release agent is green leaf release water; the specific shapes and sizes of the upper die and the lower die are set according to actual needs; the mould is usually formed by combining and connecting two or more than two moulds, the adjacent connection is a mould closing edge, the moulds are positioned by common screws, and the moulds are fixed by drilling thick screws; generally, the sizes of the upper and lower molds are not required to be the same, and the corresponding mold closing edges required to be adapted are fixed; generally, the outer surface of the mould is provided with a corresponding framework, and preferably, wood boards with opposite shapes are arranged at intervals of 200mm for binding and curing so as to prevent the mould from deforming.
(2) Mixing gel coat resin and a curing agent, wherein the mass ratio of the curing agent to the gel coat resin is 2:100, respectively coating the mixture of the gel coat resin and the curing agent on the surfaces of an upper die and a lower die, wherein the coating amount is 0.3kg/m2, and after curing, coating again, and the coating amount is 0.2kg/m 2;
(3) mixing glue and a curing agent, wherein the mass ratio of the curing agent to the glue is 1:100, respectively coating the mixture of the glue and the curing agent on the surfaces of an upper die and a lower die, respectively paving a layer of glass fiber on the upper die and the lower die, each paving a layer of glass fiber, rolling and compacting by using a roller, wherein the mass ratio of each layer of glass fiber to the glue is 1.8:2, and then coating the mixture of the glue and the curing agent on the glass fiber, as shown in figure 1, the glass fiber is horizontally and vertically arranged at intervals, for example, the first layer of glass fiber is horizontally arranged, and the second layer of glass fiber is vertically arranged with the first layer of glass fiber; the number of layers of the glass fibers in the upper die is 4, and the number of layers of the glass fibers in the lower die is 4; generally, the thickness of the die is related to the size of the product, generally, 4-5 layers of glass fiber are adopted for a small model, and if the model is large, 6-8 layers of glass fiber are adopted; the number of layers of the glass fiber corresponds to the tensile structural strength, the thickness and the weight of the glass fiber are increased, and the glass fiber is actually treated by combining with the actual use requirement;
(4) closing the upper die and the lower die: after the operation of the upper and lower dies is finished, waxing is carried out on the edges of the dies, redundant glass fibers around the dies are removed, edges of the dies are scraped by adopting silicon dioxide, and a layer of glass fibers is manufactured at the edges of the dies; combining the upper mold and the lower mold together, positioning and fixing the upper mold and the lower mold according to the positioning screws, and clamping the molds by using a G-shaped clamp; waxing at the joint of the mold, and fixing the mold closing edge of the glass fiber resin through a positioning screw, wherein the operation is called mold closing; demolding after shaping for 24 hours;
(5) and demolding the molded model, and sequentially removing wax, polishing, assembling, finishing, coating and packaging after demolding the model.
Compared with the traditional resin model, the glass fiber prepared by the invention has the advantages that the weight is reduced, and the strength of the model prepared by the invention is more than 5 times of that of the resin model.
Example 2 a method of making a glass fiber mold comprising the steps of:
(1) cleaning the die: after waxing the surfaces of the upper die and the lower die, wiping the surfaces clean, repeating the steps of waxing and wiping for four times, and then brushing a release agent, wherein the release agent is green leaf release water; the specific shapes and sizes of the upper die and the lower die are set according to actual needs;
(2) mixing gel coat resin and a curing agent, wherein the mass ratio of the curing agent to the gel coat resin is 2.5:100, respectively coating the mixture of the gel coat resin and the curing agent on the surfaces of an upper die and a lower die, wherein the coating amount is 0.3kg/m2, and after curing, coating again, wherein the coating amount is 0.2kg/m 2;
(3) mixing glue and a curing agent, wherein the mass ratio of the curing agent to the glue is 2:100, respectively coating the mixture of the glue and the curing agent on the surfaces of an upper die and a lower die, respectively paving a layer of glass fiber on the upper die and the lower die, each paving a layer of glass fiber, rolling and compacting by using a roller, wherein the mass ratio of each layer of glass fiber to the glue is 1.8:1.5, then coating the mixture of the glue and the curing agent on the glass fiber, and as shown in figure 1, the glass fiber is horizontally and vertically arranged at intervals, for example, the first layer of glass fiber is horizontally arranged, and the second layer of glass fiber is vertically arranged with the first layer of glass fiber; the number of layers of the glass fibers in the upper die is 5, and the number of layers of the glass fibers in the lower die is 5;
(4) closing the upper die and the lower die, waxing at the joint of the dies, shaping for 36 hours, and then demoulding; removing redundant glass fibers around the mold before the mold is closed, and scraping edges by adopting silicon dioxide on the closed edges when the mold is closed, and manufacturing a layer of glass fibers; after the dies are closed, the upper die and the lower die are screwed tightly by screws, and the dies are clamped by a G-shaped clamp;
(5) and demolding the molded model, and sequentially removing wax, polishing, assembling, finishing, coating and packaging after demolding the model.
Example 3 a method of making a glass fiber mold comprising the steps of:
(1) cleaning the die: after waxing the surfaces of the upper die and the lower die, wiping the surfaces clean, repeating the steps of waxing and wiping for four times, and then brushing a release agent, wherein the release agent is green leaf release water; the specific shapes and sizes of the upper die and the lower die are set according to actual needs;
(2) mixing gel coat resin and a curing agent, wherein the mass ratio of the curing agent to the gel coat resin is 3:100, respectively coating the mixture of the gel coat resin and the curing agent on the surfaces of an upper die and a lower die, wherein the coating amount is 0.3kg/m2, and after curing, coating again, and the coating amount is 0.2kg/m 2;
(3) mixing glue and a curing agent, wherein the mass ratio of the curing agent to the glue is 3:100, respectively coating the mixture of the glue and the curing agent on the surfaces of an upper die and a lower die, respectively paving a layer of glass fiber on the upper die and the lower die, each paving a layer of glass fiber, rolling and compacting by using a roller, wherein the mass ratio of each layer of glass fiber to the glue is 1.8:1, and then coating the mixture of the glue and the curing agent on the glass fiber, as shown in figure 1, the glass fiber is horizontally and vertically arranged at intervals, for example, the first layer of glass fiber is horizontally arranged, and the second layer of glass fiber is vertically arranged with the first layer of glass fiber; the number of layers of the glass fibers in the upper die is 4, and the number of layers of the glass fibers in the lower die is 4;
(4) closing the upper die and the lower die, waxing at the joint of the dies, shaping for 48 hours, and then demoulding; removing redundant glass fibers around the mold before the mold is closed, and scraping edges by adopting silicon dioxide and manufacturing layer glass fibers when the mold is closed; after the dies are closed, the upper die and the lower die are screwed tightly by screws, and the dies are clamped by a G-shaped clamp;
(5) and demolding the molded model, and sequentially removing wax, polishing, assembling, finishing, coating and packaging after demolding the model.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The preparation method of the glass fiber model is characterized by comprising the following steps:
s1, cleaning the die: after waxing the surfaces of the upper die and the lower die, wiping the surfaces clean, and then brushing a release agent;
s2, mixing gel coat resin and a curing agent, wherein the mass ratio of the curing agent to the gel coat resin is 2-3:100, respectively coating the mixture of the gel coat resin and the curing agent on the surfaces of an upper die and a lower die, wherein the coating amount is 0.1-0.5kg/m2, and after curing, coating again, wherein the coating amount is 0.1-0.3kg/m 2;
s3, mixing glue and a curing agent, wherein the mass ratio of the curing agent to the glue is 1-3:100, respectively coating the mixture of the glue and the curing agent on the surfaces of an upper die and a lower die, respectively paving a layer of glass fiber on the surfaces of the upper die and the lower die, wherein the mass ratio of the glass fiber to the glue is 1.8:2-1, and then coating the mixture of the glue and the curing agent on the glass fiber, wherein the glass fiber is placed at intervals in the horizontal and vertical directions;
and S4, closing the upper die and the lower die, waxing the joint of the dies, and demolding after shaping.
2. The method for preparing a glass fiber model according to claim 1, wherein: in S1, the number of waxing and wiping was 4.
3. The method for preparing a glass fiber model according to claim 1, wherein: in the step S3, each layer of glass fiber needs to be rolled and compacted by a roller.
4. The method for preparing a glass fiber model according to claim 1, wherein: the number of the layers of the glass fiber is 4-5.
5. The method for preparing a glass fiber model according to claim 1, wherein: before the die is closed, redundant glass fibers around the die need to be removed.
6. The method for preparing a glass fiber model according to claim 1, wherein: when the die is closed, the edge of the closed die is scraped by silicon dioxide, and a layer of glass fiber is manufactured at the edge of the die.
7. The method for preparing a glass fiber model according to claim 1, wherein: in the step S4, the setting time is 24-48 h.
8. The method for preparing a glass fiber model according to claim 1, wherein: after the die is closed, the die is clamped by a clamp.
9. The method for preparing a glass fiber model according to claim 1, wherein: and S4, demolding the shaped mold, and sequentially removing wax, polishing, assembling, finishing, coating and packaging after demolding the mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110629922.9A CN113370554A (en) | 2021-06-07 | 2021-06-07 | Preparation method of glass fiber model |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110629922.9A CN113370554A (en) | 2021-06-07 | 2021-06-07 | Preparation method of glass fiber model |
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| CN113370554A true CN113370554A (en) | 2021-09-10 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672971A (en) * | 2011-03-15 | 2012-09-19 | 陈和兰 | Method for designing and manufacturing vehicle engineering model by using composite material |
| CN102717517A (en) * | 2012-07-06 | 2012-10-10 | 长沙晨东工贸有限公司 | Manufacturing process of glass fiber reinforced plastic |
| CN105818471A (en) * | 2016-03-23 | 2016-08-03 | 广州金发碳纤维新材料发展有限公司 | Continuous fiber reinforced thermoplastic resin composite sheet and application thereof |
-
2021
- 2021-06-07 CN CN202110629922.9A patent/CN113370554A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672971A (en) * | 2011-03-15 | 2012-09-19 | 陈和兰 | Method for designing and manufacturing vehicle engineering model by using composite material |
| CN102717517A (en) * | 2012-07-06 | 2012-10-10 | 长沙晨东工贸有限公司 | Manufacturing process of glass fiber reinforced plastic |
| CN105818471A (en) * | 2016-03-23 | 2016-08-03 | 广州金发碳纤维新材料发展有限公司 | Continuous fiber reinforced thermoplastic resin composite sheet and application thereof |
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Application publication date: 20210910 |
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