CN101497242A - The drum washing machine door manufacture method - Google Patents
The drum washing machine door manufacture method Download PDFInfo
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- CN101497242A CN101497242A CNA2008101780984A CN200810178098A CN101497242A CN 101497242 A CN101497242 A CN 101497242A CN A2008101780984 A CNA2008101780984 A CN A2008101780984A CN 200810178098 A CN200810178098 A CN 200810178098A CN 101497242 A CN101497242 A CN 101497242A
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- door
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- transparent member
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Abstract
The invention provides a method of producing door of barrel washing machine; wherein, the glass door glass is injected and shaped by transparent plastic material and is encapsulated on the door cover after boding with the existed safe cover using ultrasonic bonding; through the project, the transparency of the door of the washing machine achieves 70% to 80% grade, taking 2 times/day as the using standard, the invention has 10 thousand times of service durability, satisfies the appearance management standard of the existed door glass of barrel washing machine, and reduces the weight of the existed door glass to more than 80%, greatly reduces the physical distribution expenses; and the fatigue degree of the door hinge is reduced; compared with the glass material, the supply of the raw materials is prosperous and the generation of C/T is shortened; so the productbility is improved and it is a useful invention.
Description
Technical field
The present invention relates to drum washing machine door manufacture method, particularly the following is the drum washing machine door manufacture method of feature: with transparent plastic material injection mo(u)lding light transparent member, by ultrasonic bonding with light transparent member and safety head bonding after, package group installs on the door closure.
Background technology
Common roller washing machine is provided with door being formed on the washings input port of main body front surface, and comprises: water jacket, and it is by shock absorber and the spring-loaded be located in the main body; Inside groove, it is arranged in the above-mentioned water jacket, and is rotatable; And drive division, it is used to make above-mentioned inside groove rotation.
But in aforesaid existing roller washing machine, the Men Youru lower part that is formed at the washings input port of main body front surface constitutes: the light transparent member of glass material, and it embeds in the inside groove of main body, towards the inboard; And the safety head of PVC material, its housing is assembled on the door closure in the light transparent member outside.
Usually, as mentioned above, adopt the light transparent member of glass material injection mo(u)lding in order to see the washings in the inside groove, but because in the formed product process, the side produces outward appearance bubble etc., causes the fraction defective of product very high.
In addition, this light transparent member is when formed product, and when mould was arrived in the glass-cutting (cutting) of about 1500 ℃ gel states, defect factors such as vestige, stain or white point appearred in glass moment cooling at cutting part, caused the manufacturing cost of product to rise.
As a reference, the following desired appearance management standard of door glass that the roller washing machine of domestic S company is shown.
[administrative standard of bubble]
Maximum gauge be Φ more than 2.0 and less than the bubble of Φ 3.0 below 3, maximum gauge be Φ more than 1.0 and less than the bubble of Φ 2.0 below 5, maximum gauge be the bubble of Φ below 1.0 below 10, spacing distance is more than 20mm and smooth.And, for the place that is difficult to prove absolutely with language referring to the limit sample.
[administrative standard of projection]
Area is 3.0mm
2Projection below 2, area is 1.0mm
2Following projection is unimportant.Spacing distance is embedded in the glass more than 50mm.
[administrative standard that bubble breaks]
Maximum length is that the following bubble of 10mm breaks below 1, and spacing distance is below 100mm.Can not there be bubble to break in the place of assembling.
[administrative standard of vein]
Maximum length be 80mm, width be the following vein of 0.1mm below 2, maximum length is that 40mm, width are that the following vein of 0.2mm is below 1.Spacing distance is more than 100mm.
[administrative standard of foreign matter]
Area is 3.0mm
2Following foreign matter is below 3, and area is at 1.0mm
2Following foreign matter is unimportant.Spacing distance is more than 100mm, and is and smooth.
[scissors cut vestige]
Positive and the side scissors cut trace line that all do not have reaches 20mm length in its allowed band of assembled portion.
[surface roughness]
For surface roughness (transparency), the front surface amesiality fuzzy state that do not have, the fuzzy allowed band of side in appearance can not be ugly 1/3.
Can not form breach, distortion, crack, the not enough allowed band of thickness is to length 10mm, degree of depth 0.1mm, but the obstacle on the function can not occur.And positive glass cools trace is that width 20mm, area are below 1/2, referring to the limit sample.
[mould scar]
At front surface, the following scar of length 10mm * degree of depth 0.1mm is sentenced down 3; In the side, the following scar of length 15mm * length 0.2mm is sentenced down 3.In addition, on the face of assembling scar can not be arranged, but the place that can't see of sides such as flange there is scar also harmless.
[heatproof impact test]
Door glass is put in the thermostat, under 100 ℃ temperature, after heating 2 hours, in time taken out, (1 glass: the 200cc standard) water carries out fastly when cold, does not have crackle etc. unusual to splash 10 glasss to central portion.
[impact strength test]
On the plank of thickness 20mm, the flange of a glass is positioned at after the face of land, from the drop steel ball of 60g of the height of 40cm, there is not crackle etc. unusual.
Other, weight is 3400g ± 150g.
As mentioned above, in order to eliminate the bad order of a glass, in the domestic registration utility model of Korea S 20-204135 number " barrel washing machine door ", provide a kind of barrel washing machine door, its on the side surface part of door glass light transparent member, separated by a certain interval be provided with a plurality of concavo-convex or along the band shape groove of circumferencial direction depression.
In addition, as another domestic technique, provide a kind of roller washing machine in the domestic patent application of Korea S 10-2002-44974 number " roller washing machine with door ", it comprises: substitute door glass and use the door of transparent plastic material; And the medial surface that is arranged at above-mentioned door, to improve the gate seat (seat) of above-mentioned hardness, above-mentioned gate seat is preferably formed by special teflon (Teflon) material.
As implied above, in barrel washing machine door, most of door of selecting glass material, aforesaid existing door glass is in order to satisfy the appearance management standard, and the manufacturing cost of production management must rise.In addition, as existing roller washing machine, proposed special teflon and plastic material to be shaped in the technology formerly of roller washing machine of one at the medial surface of door, though under hot conditions, possess low frictional behavior, and non-absorbency, weatherability and inadhesion excellence, still, due to the special teflon that is molded on the barrel washing machine door, transparency significantly descends, and can not have an X-rayed at the washings of inside groove with interior washing.
Summary of the invention
The present invention In view of the foregoing proposes, it provides a kind of manufacture method of barrel washing machine door in order to save manufacturing cost, wherein, with transparent plastic material injection mo(u)lding barrel washing machine door, use ultrasonic bonding with itself and existing safety head bonding after, be encapsulated on the existing door closure, pass through this project, make the transparency of door of washing machine reach 70%～80% grade, use standard with 2 times/day, have 10,000 times durability, satisfy the appearance management standard that existing barrel washing machine door glass should possess, will have a weight of glass simultaneously now and alleviate more than 85%.
As mentioned above, the present invention observes the appearance management standard that existing door glass should satisfy, and door than glass material, the weight of barrel washing machine door of the present invention reduces 85%, physical distribution expenses is cut down significantly, meanwhile, and than glass material, raw material supply is smooth and generate the C/T shortening, so productivity increases.
On the other hand, according to the present invention, at the nylon resin that adopts the company of Du Pont (DUPONT) in the middle of the selected material resin, be under the Zytel PA injection moulding situation of producing, cost than in the past glass material, consider annual domestic production amount, can reduce the cost of 709.9 thousand ten thousand yuan of South Korean Wons every year.
In addition, on existing safety head inner side frame, other fixed sealing package material between safety head and door glass, and in the present invention, through using barrel washing machine door and the existing safety head step for adhering of ultrasonic bonding with injection mo(u)lding, be fixedly installed on the door closure, thereby can improve packing engineering efficient, so be useful invention.
In order to achieve the above object, at first, the invention provides the manufacture method of a kind of roller washing machine with door, wherein, the standard of the material of selected door is as follows: moulding easily, transparency is 80%～90% grade, use standard with 1 day 2 times, possess 10,000 times durability, and satisfy the appearance management standard that general barrel washing machine door glass should possess, weight is cut down to greatest extent from the 3500g of existing door glass, in order to produce such barrel washing machine door, be conceived to the selected of plastic resin, particularly the safety head that fetches with the PVC material by supersonic welding is assembled into, and the housing of this mounting cover is assembled on the door closure of existing door glass outer side.
Description of drawings
Fig. 1 is the block diagram that manufacturing step of the present invention summarily is shown.
The specific embodiment
In order to implement the present invention, shown in following table 1, selected following resin is to satisfy above-mentioned condition.
Table 1
| Production company | Name of product | The common product group | Characteristic and purposes |
| Du Pont (DUPONT) | Zytel PA | Nylon resin | Thermoplastic polyamide resin for toughness, resistance to impact, mar proof, chemical proofing excellence is used for plant equipment, common product and electronic product, auto parts and components |
| Du Pont (DUPONT) | Zenite LCP | Liquid crystal polymer resin | Overall performance and moulding production efficiency excellences such as high-fire resistance, anti-flammability, chemical resistance, rigidity, durability, robustness, creep resistant, alternative pottery, thermosetting resin, PPS or existing competition LCP product, can reduce part dimension, improve performance, enhance productivity, reduce system cost |
| Du Pont (DUPONT) | Zytel HTN | The high-performance poly amide resin | The high-performance poly amide resin, chemical resistance, moisture-proof and hear resistance equilibrium, the processing characteristics excellence, especially, even under the condition of high temperature, also can keep intensity and rigidity, be the substitution material of metal and thermosetting resin. |
| BASF (BASF) | PES/PSU | Polyether sulfone/polysulfones | Long-time stability, fire resistance, tasteless, odorless, in light weight under the transparency, moise-heat sterilization function, excellent heat resistance, high rigidity, weatherability, insulating properties, dimensional stability, the high temperature are suitable for electrical/electronic, medical treatment, household supplies |
| Hunstman, BP, Basell, BASF | HTPP | The high transparent polypropylene | Have high transparent, lighter weight, economy, wholesomeness, hear resistance, add |
| Worker's convenience, lustrous surface are used for transparent wrapper, Medical Devices, household supplies | |||
| SKS/ EASTMAN | PET | Thermoplastic polyester | Be used for demanding moulding product such as rigidity, hot strength, dimensional stability, beautiful appearance, hot properties, solvent resistance, electrical characteristics.Wiper supporting station, electric and electronic connector, bicycle assembly parts or framework, dust catcher parts, seat handle, electronic unit before the automobile |
| KOLON (strain) | Nopla | The PEN-PET copolyester | Outstanding ultraviolet screener and weatherability, outstanding gas shield, excellent in impact resistance, chemical resistance, solvent resistance, hydrolytic resistance, high-fire resistance, the excellent transparency, avirulence and the property applied flexibly, self-decomposability again |
As a reference, the door glass of L company is 6315 won/in the supplier, and weight is 3500g, causes the fatigue strength of the hinge portion of barrel washing machine door to increase the weight of.
The door glass market demand of the existing roller washing machine of domestic household appliances enterprise is shown as following table 2 as a reference.
Table 2 (unit: ten thousand)
| Title | L company | S company | D company | Other (outlets) | Add up to |
| Door glass | 480 | 70 | 20 | 50 | 620 |
In the material resin shown in above-mentioned table 1 of the applicant's investigation, at the nylon resin that adopts company of Du Pont (DUPONT), be under the situation of Zytel PA injection mo(u)lding, the weight of resinous wood bin gate is 500g～590g/, (5 won/g) 4130 won of maximum outputs of former material costs, the productive rate of 550 tonnes injection-moulding devices (unit/won) is counted average 294, in the time of 133 won, in single bps is under the situation of 80C/T, production quantity is 900, the processing charges of each are counted 326.8 won, and profit margin is 16% o'clock, are 713.1 won, therefore the total price of each is speculated as 5,170 won.
Aforesaid resinous wood bin gate is than existing glass material door, and cost savings are 1145 won/, as above-mentioned table 2, considers the domestic production amount, can save the cost of 709.9 (ten million won) every year.
And drum washing machine door manufacture method of the present invention is as follows.
The manufacture method of barrel washing machine door of the present invention, wherein, roller washing machine comprises: safety head, and the door that installs to the washings input port that is formed at the main body front by hinge set is assembled on the inner side frame of plastic material door closure, and the outside is formed by transparent plastic material; Water jacket, its inboard is disposed on the above-mentioned door closure by light transparent member, by the shock absorber and the spring-loaded that are disposed in the main body; Inside groove, described inside groove is arranged in the above-mentioned water jacket, and rotatable; And drive division, described drive division is used to make above-mentioned inside groove rotation, and described manufacture method comprises:
Step 1 (S1) is from Zytel PA nylon, Zenite LCP liquid crystal polymer, the Zytel TEN high-performance poly acid amides of company of Du Pont (DUPONT); The PES (polyether sulfone) of BASF (BASF) company, PSU (polysulfones); The HTPP of Hunstman, BP, Basell, BASF AG (high transparent polypropylene); Select any one resin to be used to be arranged at the light transparent member of the door of above-mentioned roller washing machine main body front surface among the Nopla of the PET of SKS, EASTMAN company (thermoplastic polyester), KOLON company;
Step 2 (S2) is carried out not barrel washing machine door Mould Machining in specie;
Step 3 (S3), the barrel washing machine door mould of above-mentioned processing is installed on 550 tonnes the injection machine, utilize above-mentioned selected resin injection molding to become the light transparent member of barrel washing machine door, the transparency that makes this light transparent member is 70%～80%, so that can see inside groove inside;
Step 4 (S4), after the injection mo(u)lding, under 60 ℃～80 ℃ conditions, the cooling gradually through 2～4 hours;
Step 5 (S5) adopts the material that is selected from special teflon, UV, and the light transparent member of cooling off is gradually sprayed;
Step 6 (S6) is used ultrasonic bonding, and the barrel washing machine door light transparent member and the existing safety head of above-mentioned injection mo(u)lding is bonding;
Step 7 (S7) will be fixedly mounted on the door closure by barrel washing machine door light transparent member and the safety head that above-mentioned ultrasonic bonding is bonded into one.
In the selected step (S1) of resin of the process of the barrel washing machine door of making through above-mentioned steps, the Nopla of KOLON company is the high performance PE N-PET copolyester that mainly is suitable for the purposes of bottle, transparent slab seat and injection mo(u)lding product, in respective level, what be suitable for light transparent member of the present invention has KE831 and a KE931, as a reference, its rerum natura is shown in table 3.
Table 3
Shown in the rerum natura table of above-mentioned table 3, the transparency of above-mentioned KE831 among the Nopla of KOLON company and impact strength excellence, be suitable for the transparent slab seat of 2～8mm and require the general blown bottle of withstand voltage chemical-resistant (blow bottle), KE931 is suitable for stable on heating injection moulding, blow molding or the molding sheet material of requirement more than 100 ℃, be particularly suitable as the material of transparent component of the present invention, particularly, the superiority that also has the environmental hormone of not detecting.
Claims (2)
1. the manufacture method of a barrel washing machine door, wherein, roller washing machine comprises: safety head installs to the door of the washings input port that is formed at the main body front by hinge set, this is assembled on the inner side frame of plastic material door closure, and the outside of plastic material door closure is formed by transparent plastic material; Water jacket, the inboard of described water jacket is disposed on the above-mentioned door closure by light transparent member, and described water jacket is by the shock absorber and the spring-loaded that are disposed in the main body; Inside groove, described inside groove is arranged in the above-mentioned water jacket, and rotatable; And drive division, described drive division is used to make above-mentioned inside groove rotation, and described manufacture method comprises:
Step 1 is from the Zytel PA nylon of E.I.Du Pont Company; Zenite LCP liquid crystal polymer; The PES (polyether sulfone) of ZytelHTN high-performance poly acid amides, BASF AG, PSU (polysulfones); The HTPP of Hunstman, BP, Basell, BASF AG (high transparent polypropylene); The PET of SKS, EASTMAN company (thermoplastic polyester); Or select any one resin to be used to be arranged at the light transparent member of the door of above-mentioned roller washing machine main body front surface among the Nopla of KOLON company;
Step 2 is carried out not barrel washing machine door Mould Machining in specie;
Step 3, the barrel washing machine door mould of above-mentioned processing is installed on 550 tonnes the injection machine, utilize above-mentioned selected resin injection molding to become the light transparent member of barrel washing machine door, the transparency that makes described light transparent member is 70%～80%, so that can see in the described inside groove;
Step 4, after the injection mo(u)lding, under 60～80 ℃ of conditions, the cooling gradually through 2～4 hours;
Step 5 adopts the material that is selected from special teflon, UV, and the light transparent member of cooling off is gradually sprayed;
Step 6 is used ultrasonic bonding, will be bonding through the barrel washing machine door light transparent member and the existing safety head of described injection mo(u)lding;
Step 7 will be fixedly mounted on the door closure by barrel washing machine door light transparent member and the safety head that described ultrasonic bonding is bonded into one.
2. drum washing machine door manufacture method according to claim 1, in the resin of selecting in above-mentioned steps one, the Nopla of KOLON company is selected from any one resin among KE831 or the KE931.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101780984A CN101497242A (en) | 2008-01-28 | 2008-12-23 | The drum washing machine door manufacture method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080008374 | 2008-01-28 | ||
| CNA2008101780984A CN101497242A (en) | 2008-01-28 | 2008-12-23 | The drum washing machine door manufacture method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101497242A true CN101497242A (en) | 2009-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101780984A Pending CN101497242A (en) | 2008-01-28 | 2008-12-23 | The drum washing machine door manufacture method |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103649404A (en) * | 2011-07-11 | 2014-03-19 | Bsh博世和西门子家用电器有限公司 | Method for the production of a loading door, and loading door for a laundry treatment machine |
| CN107383782A (en) * | 2017-08-17 | 2017-11-24 | 滁州兄弟科技有限公司 | A kind of production technology for producing drum-type washing machine observation window |
-
2008
- 2008-12-23 CN CNA2008101780984A patent/CN101497242A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103649404A (en) * | 2011-07-11 | 2014-03-19 | Bsh博世和西门子家用电器有限公司 | Method for the production of a loading door, and loading door for a laundry treatment machine |
| CN103649404B (en) * | 2011-07-11 | 2016-03-30 | Bsh家用电器有限公司 | For the manufacture of the loading method of door and the loading door for laundry machine |
| CN107383782A (en) * | 2017-08-17 | 2017-11-24 | 滁州兄弟科技有限公司 | A kind of production technology for producing drum-type washing machine observation window |
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Open date: 20090805 |