CN102555148B - Manufacturing method of plastic faucet body and finished product thereof - Google Patents
Manufacturing method of plastic faucet body and finished product thereof Download PDFInfo
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- CN102555148B CN102555148B CN201010604178.9A CN201010604178A CN102555148B CN 102555148 B CN102555148 B CN 102555148B CN 201010604178 A CN201010604178 A CN 201010604178A CN 102555148 B CN102555148 B CN 102555148B
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- plastic
- faucet body
- valve seat
- core
- seat location
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- 229920003023 plastic Polymers 0.000 title claims abstract description 99
- 239000004033 plastic Substances 0.000 title claims abstract description 99
- 238000004519 manufacturing process Methods 0.000 title abstract description 18
- 238000000465 moulding Methods 0.000 claims abstract description 32
- 238000002844 melting Methods 0.000 claims abstract description 13
- 230000008018 melting Effects 0.000 claims abstract description 13
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 27
- 238000002360 preparation method Methods 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 20
- 210000001161 mammalian embryo Anatomy 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 8
- -1 bismuthino Chemical group 0.000 claims description 5
- 239000006023 eutectic alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 2
- 229910000743 fusible alloy Inorganic materials 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 239000011162 core material Substances 0.000 abstract 6
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 229910000906 Bronze Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- Valve Housings (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a manufacturing method of an integral type plastic faucet body and a finished product thereof. The manufacturing method mainly comprises the following steps of: pre-molding a core material with a low melting point; positioning the core material into a mould and carrying out plastic ejection molding, so as to obtain a plastic faucet body blank which is internally covered by the core material; and then, properly heating the plastic faucet body blank to exceed the melting point of the core material and melting the core material into fluid to flow out, namely obtaining the finished product of the integral type plastic faucet body which is internally provided with a central flow channel. According to the manufacturing method of the integral type plastic faucet body, disclosed by the invention, the core material with the low melting point can be used as a lost mould which is high in precision and can be repeatedly used, so that industrial garbage can be reduced and the cost is reduced simultaneously; only one time of the plastic ejection molding needs to be carried out and the manufacturing process can be simplified compared with the existing secondary plastic ejection molding, so that the production cost is reduced and the production efficiency and the product quality are improved; and furthermore, a better structural strength can be obtained.
Description
Technical field
The present invention relates to a kind of preparation method of depotition cock assembly, refer to especially a kind of integrated plastic faucet body preparation method and finished product thereof.
Background technology
Existing depotition cock assembly has generally included a faucet body member, the faucet body member of the two water inlets of tool particularly, it is roughly H shape, include left and right two valve seat location, a connecting portion being positioned between described valve seat location, and the two leg positions that lay respectively at described valve seat location bottom; In described valve seat location, be respectively formed with an installation tank, can for a valve body, install respectively, and can tune and control each relative valve body by leader; In described connecting portion, be formed with a central flow channel, its two end is communicated with respectively the installation tank of described valve seat location, and middle is provided with at least one delivery port and is communicated with this central flow channel, and this delivery port can be for water outlet members such as connecting tap outlet pipe or gondola water faucets; Described leg position respectively has the installation tank that an inner flow passage is communicated in each relative valve seat location, and bottom respectively have one can supply water flow to into water inlet; Above-mentioned faucet body member can screw tight part by the external screw teeth cooperation on each leg position and directly install and lock onto on wash platform, recycles the suitable cover cap of external shell, and completes the installation of depotition cock; During operation, only need see through handle and tune rotation valve body, can switch and adjust and control the hot water or cold water who comes from water inlet and via valve body, flow to delivery port and carry out water outlet action.
The preparation method of above-mentioned faucet body member, adopts secondary plastic ejection moulding mostly, and its molding mode has roughly been distinguished two kinds:
The first forming method, utilize plastic ejection moulding for the first time to go out the first component of above-mentioned faucet body member middle interconnecting piece position, first component is taken out and is positioned at and in the mould of purchasing in advance, carry out plastic injection for the second time, and mold the second component that faucet body member is positioned at both sides; Described second component can one is coated when plastic ejection moulding for the second time retains required hole on first component and second component in conjunction with first component simultaneously, respectively as water inlet, delivery port and installation tank, thereby makes the plastic tap body member of expection.
The second forming method, adopt secondary plastic ejection moulding, plastic ejection moulding is in order to mold plastic tap body member roughly for the first time, and in the inner coated module of connecting portion, at least one end of this module suitably protrudes from valve seat location, utilize this projection position that module is extracted out, can in connecting portion, form a central flow channel, an and side perforate that is positioned at valve seat location lateral wall, after this side perforate is sealed with a sealing-plug, again this plastic tap body member is carried out to plastic ejection moulding for the second time, be coated sealing plug, and acquisition plastic tap body member.
Above-mentioned two kinds of preparation methods all adopt secondary plastic ejection moulding processing procedure, therefore its die manufacturing cost is high, the life-span is low, and consumptive material is many, and cost of manufacture is high, manufacture craft more complicated, and production efficiency and product quality also cannot promote.
Summary of the invention
Main purpose of the present invention is to provide a kind of preparation method and finished product thereof of integrated plastic faucet body, can simplify processing procedure, to reduce, manufacture cost, and formed precision is high, can improve the quality of products, and product light specific gravity, cost of transportation can be reduced, structural strength is high simultaneously, can not produce leakage.
For achieving the above object, the invention provides a kind of integrated plastic faucet body preparation method, comprise following method step:
A. core forming step: utilize that the mould of purchasing is in advance one-body molded goes out a core that is strip, described core belongs to low melting material;
B. plastic ejection moulding step: above-mentioned core is inserted in the mould inside die cavity being positioned in order to the above-mentioned plastic tap body of moulding, and after matched moulds, utilize the plastic raw materials that is molten to carry out plastic ejection moulding, die sinking after its cooled and solidified, can obtain integrated plastic faucet body embryo material; This plastic tap body embryo material includes a connecting portion in the middle of being positioned at, lays respectively at two valve seat location at connecting portion two ends, and the two leg positions that lay respectively at each valve seat location bottom; The inner one of described connecting portion is coated with this core, and middle forms a delivery port; In described valve seat location, be formed with an installation tank; In described leg position, be respectively formed with the installation tank that an inner flow passage is communicated with each relative valve seat location, and bottom is respectively formed with a water inlet;
C. step is flowed out in core melting: more than above-mentioned plastic tap body embryo material is heated to the fusing point of this core in a predefined manner, make this core be fused into fluid, and suitably flow out from above-mentioned delivery port, delivery port or installation tank, the plastic tap body embryo material inner space that makes originally to occupy molds installation tank and the above-mentioned delivery port that a central flow channel that is positioned at this connecting portion is communicated in each valve seat location naturally, so, can obtain integrated plastic faucet body finished product.
Described integrated plastic faucet body preparation method, its core is selected from the alloy of low melting point.
Described integrated plastic faucet body preparation method, its low-melting alloy is bismuthino eutectic alloy.
Described integrated plastic faucet body preparation method, the fusing point of its core is lower than 100 ℃.
Described integrated plastic faucet body preparation method, the fusing point of its core is between 70～150 ℃.
Described integrated plastic faucet body finished product is obtained by above-mentioned preparation method.
The technical solution used in the present invention has following beneficial effect:
1. integrated plastic faucet body of the present invention only need be through a plastic ejection moulding, therefore compared to existing secondary plastic ejection moulding, its preparation method is simplified, can make fast and in a large number, and production efficiency and product quality can significantly improve, production cost also can reduce significantly.
2. the present invention, in order to the core of moulding central flow channel, not only can accurately and fast be located, and makes formed precision high, more can be collected rear Reusability, therefore, can reduce industrial refuse, reduces production costs simultaneously.
3. integrated plastic faucet body of the present invention can be made into integration by plastic material completely, and the copper material adopting compared to traditional casting in bronze has relatively low proportion, therefore, there is light-weighted feature, can significantly reduce cost of transportation, and reduce the cost of raw material of integral body.Not only easy to leak not, has extended leading service life.
Accompanying drawing explanation
Fig. 1 is the three-dimensional appearance schematic diagram of plastic tap body finished product of the present invention;
Fig. 2 is the side-looking generalized section of plastic tap body finished product of the present invention;
Fig. 3 is the preparation method block flow diagram of plastic tap body of the present invention;
Fig. 4 is the three-dimensional appearance schematic diagram of core of the present invention;
Fig. 5 is that the present invention is in order to the mould schematic diagram of moulding plastics faucet body embryo material;
Fig. 6 is the side-looking generalized section of plastic tap body embryo material of the present invention;
Fig. 7 is another side-looking generalized section of plastic tap body embryo material of the present invention.
The specific embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Fig. 1 to 2, the invention provides a kind of preferred embodiment of integrated plastic faucet body preparation method, described integrated plastic faucet body 10 is roughly identical with existing structure, include a connecting portion 11 in the middle of being positioned at, lay respectively at two valve seat location 12 at described connecting portion 11 two ends, and the two leg positions 13 that lay respectively at each valve seat location 12 bottoms; Wherein, described connecting portion 11 inside are formed with a central water channel 111, and middle is formed with at least one delivery port 112 these central water channels 111 of connection; Described valve seat location 12 inside are formed with an installation tank 121 and are communicated in above-mentioned central water channel 111, and in can being installed on for a water flow control valve body (not shown) respectively; 13 inside, described leg position are formed with an inner flow passage 131 and are communicated in above-mentioned installation tank 121, and inner flow passage 131 bottoms are formed with a water inlet 132.
As shown in Figure 3, the preparation method of the above-mentioned plastic faucet body 10 of the present invention, mainly comprises following method step:
A. core forming step
Utilize that the mould purchase is in advance one-body molded goes out a core 20 that is strip, as shown in Figure 4, the core 20 of the present embodiment is a kind of bismuthino eutectic alloy, 70 ℃ of its fusing points, and two ends are respectively formed with a cambered surface 21, this cambered surface 21 can provide positioning action in successive process.
B. plastic ejection moulding step
C. step is flowed out in core melting
Plastic tap body embryo material 101 is placed in to the hot water of 80 ℃～100 ℃, its inner coated core 20 is melt into after fluid, can or tank 121 be installed from above-mentioned delivery port 112, water inlet 132 suitably flows out, so, the above-mentioned central flow channel 111 of plastic tap body embryo material 101 inner self-assembling formation that can occupy at original core 20, and obtain above-mentioned integrated plastic faucet body 10, as shown in Fig. 1 to 2, and core 20 liquid that flow out still can be collected for the next core 20 of moulding.
The core 20 that the above embodiment of the present invention adopts, owing to adopting bismuthino eutectic alloy, therefore after plastic tap body embryo material is heated to over 70 ℃ of the fusing points of this core 20, this core can be melted formation fluid, and outflow.Only, this core 20 is not limited with above-mentioned bismuthino eutectic alloy, in principle, can be selected from the alloy of any low melting point, particularly melting temperature lower than 100 ℃, or between 70～150 ℃, can technical need according to the invention.
The selected plastic raw materials of the above-mentioned plastic ejection moulding step of the present invention, mainly can be comprised of ABS resin and PC plastics, also can be comprised of nylon mixing glass.
As mentioned above, the present invention utilizes the preparation method of above-mentioned preferred embodiment, can make integrated plastic faucet body 10 finished products.In sum, the present invention has following technique effect:
1. 10 of integrated plastic faucet bodies of the present invention need be through a plastic ejection moulding, therefore compared to existing secondary plastic ejection moulding, its preparation method is simplified, can make fast and in a large number, and production efficiency and product quality can significantly improve, production cost also can reduce significantly.
2. the present invention, in order to the core 20 of moulding central flow channel 111, not only can accurately and fast be located, and makes formed precision high, more can be collected rear Reusability, therefore, can reduce industrial refuse, reduces production costs simultaneously.
3. integrated plastic faucet body 10 of the present invention can be made into integration by plastic material completely, and the copper material adopting compared to traditional casting in bronze has relatively low proportion, therefore, there is light-weighted feature, can significantly reduce cost of transportation, and reduce the cost of raw material of integral body.Not only easy to leak not, has extended leading service life.
The foregoing is only preferred embodiment of the present invention, its structure is not limited to the above-mentioned shape of enumerating, and all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a preparation method for integrated plastic faucet body, is characterized in that, comprises following method step:
Utilize that the mould purchase is in advance one-body molded goes out a core that is strip, this core belongs to low melting material;
Above-mentioned core is inserted in the mould inside die cavity being positioned in order to the above-mentioned plastic tap body of moulding, and after matched moulds, utilize the plastic raw materials that is molten to carry out plastic ejection moulding, die sinking after its cooled and solidified, obtains integrated plastic faucet body embryo material; Described plastic tap body embryo material includes a connecting portion in the middle of being positioned at, lays respectively at two valve seat location at connecting portion two ends, and the two leg positions that lay respectively at each valve seat location bottom; The inner one of described connecting portion is coated with described core, and middle forms a delivery port; In described valve seat location, be formed with an installation tank; In described leg position, be respectively formed with the installation tank that an inner flow passage is communicated with each relative valve seat location, and bottom is respectively formed with a water inlet;
More than above-mentioned plastic tap body embryo material is heated to the fusing point of described core in a predefined manner, make described core be fused into fluid, and suitably flow out from above-mentioned delivery port, delivery port or installation tank, the plastic tap body embryo material inner space that makes originally to occupy molds installation tank and the above-mentioned delivery port that a central flow channel that is positioned at described connecting portion is communicated in each valve seat location naturally, obtains integrated plastic faucet body finished product.
2. integrated plastic faucet body preparation method according to claim 1, is characterized in that: the plastic raw materials adopting in described plastic ejection moulding step, is mainly comprised of ABS resin and PC plastics.
3. integrated plastic faucet body preparation method according to claim 1, is characterized in that: the plastic raw materials adopting in described plastic ejection moulding step, is mainly comprised of nylon mixing glass.
4. integrated plastic faucet body preparation method according to claim 1, is characterized in that: described core is selected from the alloy of low melting point.
5. integrated plastic faucet body preparation method according to claim 4, is characterized in that: described low-melting alloy is bismuthino eutectic alloy.
6. integrated plastic faucet body preparation method according to claim 1, is characterized in that: the fusing point of described core is lower than 100 ℃.
7. integrated plastic faucet body preparation method according to claim 1, is characterized in that: the fusing point of described core is between 70～150 ℃.
8. integrated plastic faucet body preparation method according to claim 1, it is characterized in that: described core two ends respectively form a cambered surface for location, and described cambered surface matches with the installation tank internal perisporium of plastic tap body embryo material after above-mentioned plastic ejection moulding step.
9. integrated plastic faucet body preparation method according to claim 1, is characterized in that: described core melting is flowed out in step, plastic tap body embryo material is placed in to temperature and higher than the hot water of inner core fusing point, heats, and makes embryo material be fused into fluid.
10. according to the integrated plastic faucet body of the method gained of claim 1, it is characterized in that, comprise left and right two valve seat location, a connecting portion being positioned between described valve seat location, and the two leg positions that lay respectively at described valve seat location bottom; In described valve seat location, be formed with an installation tank; In described connecting portion, have a central flow channel, its two end is communicated in respectively the installation tank of described valve seat location, and middle is provided with at least one delivery port and is communicated with this central flow channel; Described leg position respectively has the installation tank that an inner flow passage is communicated with each relative valve seat location, and bottom respectively has a water inlet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010604178.9A CN102555148B (en) | 2010-12-24 | 2010-12-24 | Manufacturing method of plastic faucet body and finished product thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010604178.9A CN102555148B (en) | 2010-12-24 | 2010-12-24 | Manufacturing method of plastic faucet body and finished product thereof |
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| CN102555148A CN102555148A (en) | 2012-07-11 |
| CN102555148B true CN102555148B (en) | 2014-04-02 |
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| CN105773915A (en) * | 2014-12-22 | 2016-07-20 | 彰洋材料股份有限公司 | Hydrolytic mould core and plastic injection moulding method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216124A (en) * | 2008-01-14 | 2008-07-09 | 吴兵 | Plastic tap and its manufacture method |
| CN101664980A (en) * | 2008-09-02 | 2010-03-10 | 深圳成霖洁具股份有限公司 | Manufacturing method for integral plastic tap body component and plastic tap body component |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216124A (en) * | 2008-01-14 | 2008-07-09 | 吴兵 | Plastic tap and its manufacture method |
| CN101664980A (en) * | 2008-09-02 | 2010-03-10 | 深圳成霖洁具股份有限公司 | Manufacturing method for integral plastic tap body component and plastic tap body component |
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| CN102555148A (en) | 2012-07-11 |
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