CN105643949B - A kind of production technology for strengthening composite bathtub - Google Patents
A kind of production technology for strengthening composite bathtub Download PDFInfo
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- CN105643949B CN105643949B CN201610057642.4A CN201610057642A CN105643949B CN 105643949 B CN105643949 B CN 105643949B CN 201610057642 A CN201610057642 A CN 201610057642A CN 105643949 B CN105643949 B CN 105643949B
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- material filling
- resin
- mould
- gel coat
- production technology
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Bathtubs, Showers, And Their Attachments (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of production technology for strengthening composite bathtub, comprise the following steps：Mould prepares → sprays gel coat and interior mould resin → hand paste material filling → trimming shaping → grinding and polishing.The present invention changes the bathtub of traditional acrylic material, and using a kind of new enhancing composite material, acrylic material has certain brittleness, transportational process be easy to cause damage, and acrylic heat-insulating property is poor, and the present invention uses composite material, physical property is preferable, and heat-insulating property is good.
Description
Technical field
The present invention relates to a kind of production technology of sanitaryware, and in particular to be it is a kind of strengthen composite bathtub life
Production. art.
Background technology
With progress of the epoch, the change of bathing mode, the making material of bathtub also occurs to change without a stop, from
Wooden bathtub to steel bathtub, from steel bathtub to ceramic bathtub, from ceramic bathtub to acrylic bathtub, from common bathtub to height
Highest-ranking imperial concubine's independence bathtub at end, the production technology of product also change correspondingly.The production technology of acrylic bathtub is all：Acrylic cylinder body
Part and outer cover part are synthesized again after resin and fiber coating, need in middle gap layer during synthesis to add packing material,
Filler material is made into by materials such as resin, calcium carbonate, pigment paste, curing agent, is cut after being combined finally by tooling device compacting
Cut the production for arranging and completing independent acrylic bathtub.Acrylic bathtub uses resin, calcium carbonate as filler, its whole life
Production. art is more complicated, and production environment is poor, and product is heavier, and labor intensity is big, and the material of acrylic is lighter, crisp,
It is easily damaged.
The content of the invention
It is an object of the invention to overcome problem above existing in the prior art, there is provided a kind of enhancing composite bathtub
Production technology, changes the bathtub of traditional acrylic material, using a kind of composite material, strengthens the hardness and heat-insulating property of bathtub.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions：
A kind of production technology for strengthening composite bathtub, comprises the following steps：
Step 1) mould prepares, and comprises the following steps：
A) demoulding is handled：The releasing agent of 4-5 times is wiped in the die surface being processed by shot blasting；
B) mould is placed：Mould is placed on injection room, spray room environment temperature is maintained at 16-30 DEG C；
C) dedusting：Die surface carries out wiping dedusting with dust removing cloth；
Step 2) sprays gel coat and interior mould resin, comprises the following steps：
A) gel coat and resin prepare：Appropriate gel coat and interior mould resin is taken to fall respectively in watering can according to small product size, by glue
Clothing/resin agitating is uniform, avoids producing bubble, and add the curing agent that mass percent is 1-2.5% in gel coat/resin；
B) gel coat sprays：One layer 0.3-0.4 μm of gel coat is sprayed in die surface first, is sprayed again when gel coat is tack-free
Penetrate, gross thickness carries out manual brush coating clothing, when being fully cured, in gel coat surface when to be solidified at 50-70 μm to the inner corner trim of mould
Mould resin in one layer is sprayed again；
Step 3) hand pastes material filling, comprises the following steps：
A) chopped mat is cut：Length and width measurement is carried out to the mould for having sprayed gel coat, then cuts chopped mat and strong core mat, for
Air pressure material filling bathtub, internal model and external mold first cover one layer of chopped mat, and bottom and oral area cover one layer of chopped mat for batch turning again
Bathtub internal model and external mold hand paste 3 layers of chopped mat, and external mold adds a slice width degree again bottom-up, and for 400 ㎜ or so, thickness is 3 ㎜'s
Strong core mat, strong core mat outer layer add one layer of chopped mat again；
B) preparation of hand paste resin：Curing agent ethyl methyl ketone is added in outer mould resin, curing agent accounts for the 2% of weight resin,
It is uniform with electric hand drill mixed on low speed；
C) hand is pasted：It will fully be rolled by the wool of resin impregnated and nip drum is carried out in chopped mat until resin impregnated chopped mat,
Then defoaming treatment compacting is carried out with defoaming roller, the bubble of hollowing is crushed, then chopped mat is cured；
D) thermal insulation material is filled：After interior outer membrane is fully cured, the punching before being molded, is then stained with sealant tape again,
Molding, material filling；
E) material filling finishes, and mould is stood, and is molded after being fully cured and takes out product for batch turning bathtub again at the bottom of product
Portion's hand pastes the strong core mat and two layers 600 grams of chopped mat that two layer thickness are 3 ㎜；
Step 4) trimming shaping；
Step 5) grinding and polishing, is wiped with 3M carbon dusts indicator and checks that there is no problem on surface on product, then is carried out with sand paper
Polishing.Is polished with antiscuffing paste
The material filling of step d in the step 3 is one kind in air pressure material filling or batch turning.
As an optimization, the air pressure material filling is by 45 ° of placements of mold tilt, accelerating agent cobalt is added in material filling resin,
Stirred evenly with electric mixer, then add curing agent ethyl methyl ketone, be again stirring for uniformly, then filled glass pearl mixing is equal
It is even, then material filling is poured into material filling bucket, connects material filling pipe, adds 4-5 ㎏ air pressures to carry out material filling to intermediate layer.
As an optimization, the batch turning is to be inverted mould to keep flat, accelerating agent cobalt is added in material filling resin, uses electric mixing
Mix device to stir evenly, then add curing agent ethyl methyl ketone, be again stirring for uniformly, then in filler plus glass pearl and haydite, with stirring
Mix after device stirs evenly and pour into mould.
As an optimization, the mass ratio of the material filling resin and the glass pearl is 1:0.6.
As an optimization, the volume ratio of the material filling resin, the curing agent and the accelerating agent is 5:4.
As an optimization, the material filling resin and the mass ratio of the glass pearl and the haydite are 1:1:1.
The beneficial effects of the invention are as follows:
The present invention changes the bathtub of traditional acrylic material, using a kind of new enhancing composite material, acrylic material
Matter has certain brittleness, and transportational process be easy to cause damage, and acrylic heat-insulating property is poor, and the present invention uses composite wood
Material, physical property is preferable, and heat-insulating property is good.
Embodiment
Below in conjunction with embodiment, next the present invention will be described in detail.
A kind of production technology for strengthening composite bathtub, comprises the following steps：
Step 1) mould prepares, and comprises the following steps：
A) demoulding is handled：The releasing agent of 4-5 times is wiped in the die surface being processed by shot blasting；
B) mould is placed：Mould is placed on injection room, spray room environment temperature is maintained at 16-30 DEG C；
C) dedusting：Die surface carries out wiping dedusting with dust removing cloth；
Step 2) sprays gel coat and interior mould resin, comprises the following steps：
A) gel coat and resin prepare：Appropriate gel coat and interior mould resin is taken to fall respectively in watering can according to small product size, by glue
Clothing/resin agitating is uniform, avoids producing bubble, and the curing agent that mass percent is 1-2.5% is added in gel coat/resin,
The amount of curing agent is adjusted according to temperature and humidity, and temperature is lower, and curing dose is more；
B) gel coat sprays：One layer 0.3-0.4 μm of gel coat is sprayed in die surface first, is sprayed again when gel coat is tack-free
Penetrate, gross thickness carries out manual brush coating clothing, when being fully cured, in gel coat surface when to be solidified at 50-70 μm to the inner corner trim of mould
Mould resin in one layer is sprayed again, and nozzle selects 9 ㎜, and spray gun pressure is at 8 kilograms or so, vertical injection；
Step 3) hand pastes material filling, comprises the following steps：
A) chopped mat is cut：Length and width measurement is carried out to the mould for having sprayed gel coat, then cuts chopped mat and strong core mat, for
Air pressure material filling bathtub, internal model and external mold first cover one layer of chopped mat, and bottom and oral area cover one layer of chopped mat for batch turning again
Bathtub internal model and external mold hand paste 3 layers of chopped mat, and external mold adds a slice width degree again bottom-up, and for 400 ㎜ or so, thickness is 3 ㎜'s
Strong core mat, strong core mat outer layer add one layer of chopped mat again；
B) preparation of hand paste resin：Curing agent ethyl methyl ketone is added in outer mould resin, curing agent accounts for the 2% of weight resin,
It is uniform with electric hand drill mixed on low speed；
C) hand is pasted：It will fully be rolled by the wool of resin impregnated and nip drum is carried out in chopped mat until resin impregnated chopped mat,
Then defoaming treatment compacting is carried out with defoaming roller, the bubble of hollowing is crushed, then chopped mat is cured；
D) thermal insulation material is filled：After interior outer membrane is fully cured, the punching before being molded, is then stained with sealant tape again,
Molding, material filling；
E) material filling finishes, and mould is stood, and is molded after being fully cured and takes out product for batch turning bathtub again at the bottom of product
Portion's hand pastes the strong core mat and two layers 600 grams of chopped mat that two layer thickness are 3 ㎜；
Step 4) trimming shaping, the molding side that the product of batch turning is first had to product are handled, and ensure the flat of combined mouth
Sliding, product side is smooth, product combination discharge surface is checked either with or without micropore, either with or without thick lines；
Step 5) grinding and polishing, is wiped with 3M carbon dusts indicator and checks that there are no problem, then the sand with 800 mesh in surface on product
Paper is polished.It is polished with antiscuffing paste, until product surface is smooth without any fine line, gloss.
The material filling of step d in the step 3 is one kind in air pressure material filling or batch turning.
As an optimization, the air pressure material filling is by 45 ° of placements of mold tilt, accelerating agent cobalt is added in material filling resin,
Stirred evenly with electric mixer, then add curing agent ethyl methyl ketone, be again stirring for uniformly, then filled glass pearl mixing is equal
It is even, then material filling is poured into material filling bucket, connects material filling pipe, adds 4-5 ㎏ air pressures to carry out material filling, the material filling tree to intermediate layer
The mass ratio of fat and the glass pearl is 1:0.6, the volume ratio of the material filling resin, the curing agent and the accelerating agent
For 5:4.
As an optimization, the batch turning is to be inverted mould to keep flat, accelerating agent cobalt is added in material filling resin, uses electric mixing
Mix device to stir evenly, then add curing agent ethyl methyl ketone, be again stirring for uniformly, then in filler plus glass pearl and haydite, with stirring
Mix and mould is poured into after device stirs evenly, the material filling resin and the mass ratio of the glass pearl and the haydite are 1:1:1
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of production technology for strengthening composite bathtub, it is characterised in that comprise the following steps：
Step 1) mould prepares, and comprises the following steps：
A) demoulding is handled：The releasing agent of 4-5 times is wiped in the die surface being processed by shot blasting；
B) mould is placed：Mould is placed on injection room, spray room environment temperature is maintained at 16-30 DEG C；
C) dedusting：Die surface carries out wiping dedusting with dust removing cloth；
Step 2) sprays gel coat and interior mould resin, comprises the following steps：
A) gel coat and resin prepare：Appropriate gel coat/interior mould resin is taken to fall respectively in watering can according to small product size, by gel coat/tree
Fat stirs evenly, and avoids producing bubble, and add the curing agent that mass percent is 1-2.5% in gel coat/resin；
B) gel coat sprays：One layer 0.3-0.4 μm of gel coat is sprayed in die surface first, is sprayed again when gel coat is tack-free,
Gross thickness carries out manual brush coating clothing, when to be solidified to the inner corner trim of mould when being fully cured, in gel coat surface again at 50-70 μm
Mould resin in one layer of spray；
Step 3) hand pastes material filling, comprises the following steps：
A) chopped mat is cut：Length and width measurement is carried out to the mould for having sprayed gel coat, chopped mat and strong core mat are then cut, for air pressure
Material filling bathtub, internal model and external mold first cover one layer of chopped mat, and bottom and oral area cover bathtubs of the one layer of chopped mat for batch turning again
Internal model and external mold hand paste 3 layers of chopped mat, and external mold adds a slice width degree again bottom-up, and for 400 ㎜ or so, thickness is the strong core of 3 ㎜
Felt, strong core mat outer layer add one layer of chopped mat again；
B) preparation of hand paste resin：Curing agent ethyl methyl ketone is added in outer mould resin, curing agent accounts for the 2% of weight resin, uses hand
Electric drill mixed on low speed is uniform；
C) hand is pasted：It will fully be rolled by the wool of resin impregnated and nip drum is carried out in chopped mat until resin impregnated chopped mat, then
Defoaming treatment compacting is carried out with defoaming roller, the bubble of hollowing is crushed, then chopped mat is cured；
D) thermal insulation material is filled：After interior outer membrane is fully cured, the punching before being molded, is then stained with sealant tape again, molding,
Material filling；
E) material filling finishes, and mould is stood, and is molded after being fully cured and takes out product for batch turning bathtub again in the bottom hand of product
Paste the strong core mat and two layers 600 grams of chopped mat that two layer thickness are 3 ㎜；
Step 4) trimming shaping；
Step 5) grinding and polishing, is wiped with 3M carbon dusts indicator and checks that there is no problem on surface on product, then is polished with sand paper,
It is polished with antiscuffing paste.
2. the production technology of enhancing composite bathtub according to claim 1, it is characterised in that：In the step 3
The material filling of step d is one kind in air pressure material filling or batch turning.
3. the production technology of enhancing composite bathtub according to claim 2, it is characterised in that：The air pressure material filling is
By 45 ° of placements of mold tilt, accelerating agent cobalt is added in material filling resin, is stirred evenly with electric mixer, then adds curing agent first
Ethyl ketone, is again stirring for uniformly, then filled glass pearl is uniformly mixed, and is then poured into material filling bucket material filling, is connected material filling
Pipe, adds 4-5 ㎏ air pressures to carry out material filling to intermediate layer.
4. the production technology of enhancing composite bathtub according to claim 2, it is characterised in that：The batch turning is by mould
Tool inversion is kept flat, and accelerating agent cobalt is added in material filling resin, is stirred evenly with electric mixer, then adds curing agent ethyl methyl ketone, then
It is secondary to stir evenly, glass pearl and haydite are then added in filler, mould is poured into after being stirred evenly with blender.
5. the production technology of enhancing composite bathtub according to claim 3, it is characterised in that：The material filling resin and
The mass ratio of the glass pearl is 1:0.6.
6. the production technology of enhancing composite bathtub according to claim 3, it is characterised in that：The material filling resin,
The volume ratio of the curing agent and the accelerating agent is 5:4.
7. the production technology of enhancing composite bathtub according to claim 4, it is characterised in that：The material filling resin and
The mass ratio of the glass pearl and the haydite is 1:1:1.
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| CN201610057642.4A CN105643949B (en) | 2016-01-27 | 2016-01-27 | A kind of production technology for strengthening composite bathtub |
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| CN201610057642.4A CN105643949B (en) | 2016-01-27 | 2016-01-27 | A kind of production technology for strengthening composite bathtub |
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| CN105643949B true CN105643949B (en) | 2018-04-17 |
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| CN106079476A (en) * | 2016-07-11 | 2016-11-09 | 浙江澳托美克船业有限公司 | A kind of fiberglass dyeing coating technique |
| CN106217898A (en) * | 2016-08-28 | 2016-12-14 | 北海运龙环保材料有限责任公司 | The production technology of glass toughening manure pit |
| CN106273532B (en) * | 2016-09-21 | 2018-11-06 | 惠达卫浴股份有限公司 | A kind of light material master mold production method of sanitary ceramics |
| CN107379597A (en) * | 2017-09-08 | 2017-11-24 | 上海伊瑟卫浴有限公司 | A kind of production method of step-in type bathtub |
| CN108597741A (en) * | 2018-04-26 | 2018-09-28 | 山东泰开电力电子有限公司 | A kind of air reactor compound noise-reducing rain cover and preparation method |
| CN112895501A (en) * | 2021-01-18 | 2021-06-04 | 台州市卡中奥洁具有限公司 | Novel material bathtub manufacturing process |
| CN113172912A (en) * | 2021-04-25 | 2021-07-27 | 临海市朵纳卫浴有限公司 | Method for manufacturing transparent bathtub |
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| US4289717A (en) * | 1979-10-18 | 1981-09-15 | The Soft Bathtub Company | Method of making a cushioned bathroom article |
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