CN111703057A - Manufacturing process of bathtub made of mixed materials - Google Patents
Manufacturing process of bathtub made of mixed materials Download PDFInfo
- Publication number
- CN111703057A CN111703057A CN202010441211.4A CN202010441211A CN111703057A CN 111703057 A CN111703057 A CN 111703057A CN 202010441211 A CN202010441211 A CN 202010441211A CN 111703057 A CN111703057 A CN 111703057A
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- Prior art keywords
- bathtub
- unsaturated resin
- namely
- fiber
- resin liquid
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Links
- 239000000463 material Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000011347 resin Substances 0.000 claims abstract description 42
- 229920005989 resin Polymers 0.000 claims abstract description 42
- 239000000835 fiber Substances 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 238000005507 spraying Methods 0.000 claims abstract description 18
- 238000005498 polishing Methods 0.000 claims abstract description 10
- 238000004806 packaging method and process Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000009966 trimming Methods 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 24
- 230000001680 brushing effect Effects 0.000 claims description 18
- 238000003892 spreading Methods 0.000 claims description 12
- 239000003365 glass fiber Substances 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 claims description 3
- OEOIWYCWCDBOPA-UHFFFAOYSA-N 6-methyl-heptanoic acid Chemical compound CC(C)CCCCC(O)=O OEOIWYCWCDBOPA-UHFFFAOYSA-N 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 230000037452 priming Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 210000003934 vacuole Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000000919 ceramic Substances 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/10—Forming by pressure difference, e.g. vacuum
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
- B29C51/421—Heating or cooling of preforms, specially adapted for thermoforming
-
- 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
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/681—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/78—Moulding material on one side only of the preformed part
-
- 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
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/04—Polymers of esters
- B29K2033/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/769—Sanitary equipment
- B29L2031/7692—Baths
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Bathtubs, Showers, And Their Attachments (AREA)
Abstract
The invention discloses a manufacturing process of a bathtub made of mixed materials, which comprises the following steps: the method comprises the following steps of selecting raw materials, softening, clinging to a bathtub mold, cooling and demolding, preparing unsaturated resin liquid, bottoming, laying fiber, secondary spraying, tertiary spraying, trimming, perforating, assembling, polishing and packaging.
Description
Technical Field
The invention relates to the technical field of bathtub manufacturing, in particular to a manufacturing process of a bathtub made of mixed materials.
Background
The traditional bathtub materials are generally as follows: ceramic, steel, cast iron, wherein the ceramic bathtub has the disadvantage of being relatively broken; the hardness of steel is relatively high, but the surface needs to be covered by ceramic or enamel, and the surface layer is easy to fall off after long-time use; the cast iron has better thermal conductivity, so that hot water can be heated too fast after being put into the bathtub; the bathtubs made of the above three materials are heavy and difficult to carry.
The bathtub made of the composite material integrates the advantages of various materials so as to meet various requirements of users.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a manufacturing process of a bathtub made of mixed materials.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a manufacturing process of a bathtub made of mixed materials comprises the following steps:
1) the material is made of acrylic plates, has excellent impact resistance, heat resistance, low temperature resistance, chemical resistance and electrical performance, has the characteristics of easy processing, stable product size, good surface gloss and the like, and has the advantages of easy coating, coloring and the like;
2) softening, namely putting the acrylic sheet selected in the step 1) into an oven, wherein the baking temperature is 220-260 ℃, the baking time is 6-8 minutes, measuring the surface temperature of the acrylic sheet by using an infrared sensor, and the surface temperature is 180 +/-2 ℃ and meets the softening standard;
3) tightly attaching to a bathtub mold, jacking the acrylic plate obtained in the step 2) through a lifting bathtub mold to enable the edge of the mold to be tightly attached to the plate for a circle to form a closed space, opening a vacuum valve, and vacuumizing between the acrylic plate and the bathtub mold through a vacuum tube connected to the bottom of the mold to enable the acrylic plate to be adsorbed and deformed and to be tightly attached to the bathtub mold;
4) cooling and demolding, namely blowing the acrylic sheet obtained in the step 3) for 3-4 minutes by facing a fan, wherein the surface temperature of the acrylic sheet reaches 30 +/-1 ℃, closing a vacuum pump, and demolding and molding; the cylinder body which has high surface smoothness and is easy to form a structure is obtained by using the adsorption type forming mode;
5) preparing unsaturated resin liquid, and mixing the unsaturated resin: accelerator (b): stirring the curing agent at a weight ratio of 10000:300:56 to form unsaturated resin liquid;
6) priming, namely manually brushing the inner surface and the outer surface of the bathtub shell formed in the step 4) with the unsaturated resin liquid obtained in the step 5), wherein the spraying thickness is 1 mm, and standing for 30-40 minutes until the unsaturated resin is primarily dried and solidified;
7) laying fibers, namely manually laying fibers at the bottom of the inner surface of the bathtub shell obtained in the step 6) by using fiber yarns, laying the fiber yarns to be glass fiber yarns, then putting a matched shaving board, attaching the shaving board to the bottom of the bathtub without vacuole, and brushing unsaturated resin liquid on the shaving board before putting the shaving board and the bottom of the bathtub; paving a circle of 150 mm wide fiber yarn at the bottom of the outer surface of the bathtub shell obtained in the step 6), wherein the distance from the fiber yarn to the bottom of the outer surface of the bathtub shell is 500-700 mm;
8) spraying unsaturated resin liquid on the outer surface of the bathtub shell obtained in the step 7) for the second time, wherein the spraying thickness is 1 mm;
9) spreading fiber on the bottom of the outer surface of the bathtub shell obtained in the step 8) by using a fiber spreading machine, wherein the fiber spreading material is glass fiber, and spraying unsaturated resin liquid on the outer surface of the bathtub shell for the third time, wherein the spraying thickness is 1 mm; waiting for 3-4 hours until the resin is completely dried;
10) trimming, namely cutting off redundant leftover materials of the bathtub shell obtained in the step 9) by using a trimmer;
11) opening a hole in the bathtub shell obtained in the step 10);
12) assembling, namely assembling the overflow and drainage connecting piece on the bathtub shell obtained in the step 11);
13) polishing, namely polishing the bathtub obtained in the step 14) by using a polishing machine;
14) and (5) packaging, namely packaging and boxing the bathtub obtained in the step 15).
As a further scheme of the invention, after the step 7) is carried out on the side face and the bottom of the outer surface of the bathtub shell, the area of which exceeds 0.5 square meter, brushing the mixed liquid of unsaturated resin and talcum powder, wherein the weight ratio is 1:1, the brushing thickness is 5 mm, and then paving a shaving board on the mixed liquid, wherein the thickness of the shaving board is 7-8 mm; and brushing unsaturated resin liquid on the upper surface, waiting for 30-40 minutes for primary drying and solidification, and then paving a density board on the upper surface, wherein the thickness of the density board is 5 mm.
As a further scheme of the invention, the material of the density board and the particle board is bamboo fiber yarn.
In a further aspect of the present invention, the accelerator is cobalt isooctanoate, and the curing agent is methyl ethyl ketone peroxide.
The invention has the beneficial effects that:
1. the bathtub has smooth surface, light weight and high strength;
2. the heat preservation effect of the resin and the plate is good, so that most requirements of users are met.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Embodiments of the present patent are described in detail below, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The following description of the embodiments is merely exemplary in nature and is in no way intended to limit the present disclosure.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used merely for convenience in describing the patent and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the patent. In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
The manufacturing process of the mixed material bathtub comprises the following steps:
1) the material is made of acrylic plates, has excellent impact resistance, heat resistance, low temperature resistance, chemical resistance and electrical performance, has the characteristics of easy processing, stable product size, good surface gloss and the like, and has the advantages of easy coating, coloring and the like;
2) softening, namely putting the acrylic sheet selected in the step 1) into an oven, wherein the baking temperature is 220-260 ℃, the baking time is 6-8 minutes, measuring the surface temperature of the acrylic sheet by using an infrared sensor, and the surface temperature is 180 +/-2 ℃ and meets the softening standard;
3) tightly attaching to a bathtub mold, jacking the acrylic plate obtained in the step 2) through a lifting bathtub mold to enable the edge of the mold to be tightly attached to the plate for a circle to form a closed space, opening a vacuum valve, and vacuumizing between the acrylic plate and the bathtub mold through a vacuum tube connected to the bottom of the mold to enable the acrylic plate to be adsorbed and deformed and to be tightly attached to the bathtub mold;
4) cooling and demolding, namely blowing the acrylic sheet obtained in the step 3) for 3-4 minutes by facing a fan, wherein the surface temperature of the acrylic sheet reaches 30 +/-1 ℃, closing a vacuum pump, and demolding and molding; the cylinder body which has high surface smoothness and is easy to form a structure is obtained by using the adsorption type forming mode;
5) preparing unsaturated resin liquid, and mixing the unsaturated resin: accelerator (b): stirring the curing agent at a weight ratio of 10000:300:56 to form unsaturated resin liquid;
6) priming, namely manually brushing the inner surface and the outer surface of the bathtub shell formed in the step 4) with the unsaturated resin liquid obtained in the step 5), wherein the spraying thickness is 1 mm, and standing for 30-40 minutes until the unsaturated resin is primarily dried and solidified;
7) laying fibers, namely manually laying fibers at the bottom of the inner surface of the bathtub shell obtained in the step 6) by using fiber yarns, laying the fiber yarns to be glass fiber yarns, then putting a matched shaving board, attaching the shaving board to the bottom of the bathtub without vacuole, and brushing unsaturated resin liquid on the shaving board before putting the shaving board and the bottom of the bathtub; paving a circle of 150 mm wide fiber yarn at the bottom of the outer surface of the bathtub shell obtained in the step 6), wherein the distance from the fiber yarn to the bottom of the outer surface of the bathtub shell is 500-700 mm;
8) spraying unsaturated resin liquid on the outer surface of the bathtub shell obtained in the step 7) for the second time, wherein the spraying thickness is 1 mm;
9) spreading fiber on the bottom of the outer surface of the bathtub shell obtained in the step 8) by using a fiber spreading machine, wherein the fiber spreading material is glass fiber, and spraying unsaturated resin liquid on the outer surface of the bathtub shell for the third time, wherein the spraying thickness is 1 mm; waiting for 3-4 hours until the resin is completely dried;
10) trimming, namely cutting off redundant leftover materials of the bathtub shell obtained in the step 9) by using a trimmer;
11) opening a hole in the bathtub shell obtained in the step 10);
12) assembling, namely assembling the overflow and drainage connecting piece on the bathtub shell obtained in the step 11);
13) polishing, namely polishing the bathtub obtained in the step 14) by using a polishing machine;
14) and (5) packaging, namely packaging and boxing the bathtub obtained in the step 15).
Brushing unsaturated resin and talcum powder mixed liquid with the weight ratio of 1:1 on the side surface and the bottom of the outer surface of the bathtub shell, the area of which exceeds 0.5 square meter, in the step 7), and paving a shaving board with the thickness of 7-8 millimeters on the side surface and the bottom of the bathtub shell, wherein the thickness of the brushing is 5 millimeters; and brushing unsaturated resin liquid on the upper surface, waiting for 30-40 minutes for primary drying and solidification, and then paving a density board on the upper surface, wherein the thickness of the density board is 5 mm. The density board and the shaving board are made of bamboo fiber filaments. The accelerator is made of cobalt isooctanoate, and the curing agent is made of methyl ethyl ketone peroxide.
According to the application of the embodiment, unsaturated resin liquid is sprayed on the inner surface and the outer surface of a bathtub shell which is cooled, formed and demoulded for the first time, after preliminary drying and solidification, glass fiber yarns are used for manual filament paving at the bottom of the inner surface of the bathtub shell, a matched shaving board is placed, the shaving board and the bottom of the bathtub are brushed with the unsaturated resin liquid before the shaving board is placed, a circle of 150-millimeter-width fiber yarns are paved at the bottom of the outer surface of the bathtub shell and are 500-700 millimeters away from the bottom of the outer surface of the bathtub shell, and then the unsaturated resin liquid is sprayed; and then, spreading the fiber at the bottom of the outer surface of the bathtub shell by using a fiber spreading machine, wherein the fiber spreading material is glass fiber, spraying unsaturated resin liquid on the glass fiber, and waiting for 3-4 hours until the resin is completely dried and solidified.
In addition, if the area of the outer surface of the bathtub shell exceeds 0.5 square meter, brushing mixed liquid of unsaturated resin and talcum powder according to the weight ratio of 1:1, wherein the brushing thickness is 5 mm, and paving a shaving board on the mixed liquid, wherein the thickness of the shaving board is 7-8 mm; and brushing unsaturated resin liquid on the upper surface, waiting for 30-40 minutes for primary drying and solidification, and then paving a density board on the upper surface, wherein the thickness of the density board is 5 mm. The density board and the shaving board are made of bamboo fiber filaments.
The bathtub shell obtained by the process has the advantages of smooth inner and outer surfaces, high overall strength, light weight and good heat preservation effect, and meets the requirements of most customers.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (4)
1. A manufacturing process of a bathtub made of mixed materials is characterized by comprising the following steps:
1) selecting an acrylic plate as a raw material;
2) softening, namely putting the acrylic sheet selected in the step 1) into an oven, wherein the baking temperature is 220-260 ℃, the baking time is 6-8 minutes, measuring the surface temperature of the acrylic sheet by using an infrared sensor, and the surface temperature is 180 +/-2 ℃ and meets the softening standard;
3) tightly attaching to a bathtub mold, jacking the acrylic plate obtained in the step 2) through a lifting bathtub mold to enable the edge of the mold to be tightly attached to the plate for a circle to form a closed space, opening a vacuum valve, and vacuumizing between the acrylic plate and the bathtub mold through a vacuum tube connected to the bottom of the mold to enable the acrylic plate to be adsorbed and deformed and to be tightly attached to the bathtub mold;
4) cooling and demolding, namely blowing the acrylic sheet obtained in the step 3) for 3-4 minutes by facing a fan, wherein the surface temperature of the acrylic sheet reaches 30 +/-1 ℃, closing a vacuum pump, and demolding and molding;
5) preparing unsaturated resin liquid, and mixing the unsaturated resin: accelerator (b): stirring the curing agent at a weight ratio of 10000:300:56 to form unsaturated resin liquid;
6) priming, namely manually brushing the inner surface and the outer surface of the bathtub shell formed in the step 4) with the unsaturated resin liquid obtained in the step 5), wherein the spraying thickness is 1 mm, and standing for 30-40 minutes until the unsaturated resin is primarily dried and solidified;
7) laying fibers, namely manually laying fibers at the bottom of the inner surface of the bathtub shell obtained in the step 6) by using fiber yarns, laying the fiber yarns to be glass fiber yarns, then putting a matched shaving board, attaching the shaving board to the bottom of the bathtub without vacuole, and brushing unsaturated resin liquid on the shaving board before putting the shaving board and the bottom of the bathtub; paving a circle of 150 mm wide fiber yarn at the bottom of the outer surface of the bathtub shell obtained in the step 6), wherein the distance from the fiber yarn to the bottom of the outer surface of the bathtub shell is 500-700 mm;
8) spraying unsaturated resin liquid on the outer surface of the bathtub shell obtained in the step 7) for the second time, wherein the spraying thickness is 1 mm;
9) spreading fiber on the bottom of the outer surface of the bathtub shell obtained in the step 8) by using a fiber spreading machine, wherein the fiber spreading material is glass fiber, and spraying unsaturated resin liquid on the outer surface of the bathtub shell for the third time, wherein the spraying thickness is 1 mm; waiting for 3-4 hours until the resin is completely dried;
10) trimming, namely cutting off redundant leftover materials of the bathtub shell obtained in the step 9) by using a trimmer;
11) opening a hole in the bathtub shell obtained in the step 10);
12) assembling, namely assembling the overflow and drainage connecting piece on the bathtub shell obtained in the step 11);
13) polishing, namely polishing the bathtub obtained in the step 14) by using a polishing machine;
14) and (5) packaging, namely packaging and boxing the bathtub obtained in the step 15).
2. A hybrid material bathtub manufacturing process as defined in claim 1 wherein: brushing unsaturated resin and talcum powder mixed liquid with the weight ratio of 1:1 on the side surface and the bottom of the outer surface of the bathtub shell, the area of which exceeds 0.5 square meter, in the step 7), and paving a shaving board with the thickness of 7-8 millimeters on the side surface and the bottom of the bathtub shell, wherein the thickness of the brushing is 5 millimeters; and brushing unsaturated resin liquid on the upper surface, waiting for 30-40 minutes for primary drying and solidification, and then paving a density board on the upper surface, wherein the thickness of the density board is 5 mm.
3. A hybrid material bathtub manufacturing process as defined in claim 2 wherein: the density board and the shaving board are made of bamboo fiber filaments.
4. A hybrid material bathtub manufacturing process as defined in claim 1 wherein: the accelerator is made of cobalt isooctanoate, and the curing agent is made of methyl ethyl ketone peroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010441211.4A CN111703057A (en) | 2020-05-22 | 2020-05-22 | Manufacturing process of bathtub made of mixed materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010441211.4A CN111703057A (en) | 2020-05-22 | 2020-05-22 | Manufacturing process of bathtub made of mixed materials |
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| CN111703057A true CN111703057A (en) | 2020-09-25 |
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| CN202010441211.4A Pending CN111703057A (en) | 2020-05-22 | 2020-05-22 | Manufacturing process of bathtub made of mixed materials |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022227250A1 (en) * | 2021-04-25 | 2022-11-03 | 浙江朵纳家居股份有限公司 | Method for manufacturing transparent bathtub |
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2020
- 2020-05-22 CN CN202010441211.4A patent/CN111703057A/en active Pending
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| DE102007029637A1 (en) * | 2007-06-26 | 2009-01-02 | Jakisch Franz Schmidhofer Jürgen Entwicklung und Vermarktung von Innovationen GbR (vertretungsberechtigter Gesellschafter: Franz Jakisch, 84367 Tann) | Thermoforming method for manufacturing three-dimensional mold, involves resiliently laying separate subfloor beam, and representing surface defect of shaping surface at subfloor beam and not at visible face of finished plastic body |
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| CN107521081A (en) * | 2017-07-25 | 2017-12-29 | 佛山市乐华恒业卫浴有限公司 | The forming method of integral cylinder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022227250A1 (en) * | 2021-04-25 | 2022-11-03 | 浙江朵纳家居股份有限公司 | Method for manufacturing transparent bathtub |
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