CN106393556A - Dishwasher spray arm secondary injection molding method - Google Patents

Dishwasher spray arm secondary injection molding method Download PDF

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Publication number
CN106393556A
CN106393556A CN201610853380.2A CN201610853380A CN106393556A CN 106393556 A CN106393556 A CN 106393556A CN 201610853380 A CN201610853380 A CN 201610853380A CN 106393556 A CN106393556 A CN 106393556A
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CN
China
Prior art keywords
spray arm
injection
injection molding
mould
pressure
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Granted
Application number
CN201610853380.2A
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Chinese (zh)
Other versions
CN106393556B (en
Inventor
俞云良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Saipu Electrical Appliance Manufacturing Co Ltd
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Guangdong Saipu Electrical Appliance Manufacturing Co Ltd
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Application filed by Guangdong Saipu Electrical Appliance Manufacturing Co Ltd filed Critical Guangdong Saipu Electrical Appliance Manufacturing Co Ltd
Priority to CN201610853380.2A priority Critical patent/CN106393556B/en
Publication of CN106393556A publication Critical patent/CN106393556A/en
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Publication of CN106393556B publication Critical patent/CN106393556B/en
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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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2701—Details not specific to hot or cold runner channels
    • B29C45/2708—Gates
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/78—Measuring, controlling or regulating of temperature
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B29C2045/14155—Positioning or centering articles in the mould using vacuum or suction
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2701—Details not specific to hot or cold runner channels
    • B29C45/2708—Gates
    • B29C2045/2709—Gates with a plurality of mould cavity inlets in close proximity
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76498—Pressure
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76531—Temperature
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76551—Time
    • B29C2945/76561—Time duration
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76595—Velocity

Abstract

The invention relates to a dishwasher spray arm secondary injection molding method which is used for dishwasher spray arm secondary edge covering injection molding. According to the dishwasher spray arm secondary injection molding method, three vacuum suction cups are distributed in a spray arm cavity of a mold according to the specified formula condition; the spray arm secondary injection molding cavity of the mold is provided with four glue inlets, and during secondary injection molding of a spray arm, precise parameter control is conducted on three segments of parameters when an injection molding machine ejects glue; meanwhile, precise parameter control is also conducted on the three segments of parameters when the injection molding machine melts the glue; the nozzle temperature of a glue ejection barrel of the injection molding machine is 220 DEG C during secondary injection molding of the spray arm, the temperature of the first segment of parameter is 210 DEG C, the temperature of the second segment of parameter is 200 DEG C, and the temperature of the third segment of parameter is 190 DEG C; and the overall glue ejection time during secondary injection molding of the spray arm is four seconds, the cooling time is 18 seconds, and the material storage time is six seconds. The dishwasher spray arm secondary injection molding method has the advantages that secondary edge covering injection molding is adopted, so that the surface quality of a finished product subjected to spray arm secondary edge covering injection molding is high, edge covering is uniform and not deformed, the connection strength is high, the production cost is low, the efficiency is high, and the service life is long.

Description

The method of spraying arm of dish washer secondary injection molding
Technical field
The present invention relates to a kind of method of spraying arm of dish washer secondary injection molding, specifically a kind of spraying arm of dish washer two The injection moulding process of secondary bound edge.
Background technology
On existing market, spraying arm of dish washer is all by the way of sweat soldering, and spraying arm of dish washer is sealing in dishwasher components The exigent part of property, and the spraying arm of dish washer that the mode of traditional sweat soldering generates exist on spray arm, The concordance that bottom sheet combines is bad, deviations problem easily, welding edge bonding strength is not high, easily occurs out during welding The phenomenon such as split, also easily solder skip occurs simultaneously and reduce tightness, lead to low production efficiency, disqualification rate is high, as molten Connect excessive glue and lead to outward appearance unsightly the shortcomings of, bring cost to increase and the problems such as Quality Down for producing.And adopt two Deformation of products can be avoided completely during secondary bound edge injection, and the problems such as weld strength deficiency.
Content of the invention
It is an object of the invention to provide a kind of method of spraying arm of dish washer secondary injection molding, using secondary bound edge Injection and 3 points of vacuum pan localization methods, then four mouthfuls simultaneously injecting glue make spray arm secondary bound edge injection finished surface quality Height, bound edge is uniformly indeformable, and bonding strength is high.
The technical solution of the present invention is the spray arm in mould, on the basis of vacuum cup, is characterized in spray arm once After injection mo(u)lding, place and carry out second injection again more than after twenty four hours, vacuum cup is divided into three position distribution in mould Inside the spray arm quadric injection mould cavity of tool, one of them is arranged in the middle of spray arm injection mold cavity, during two other is separately positioned on Between vacuum cup left and right both sides, a is the distance between left side vacuum cup and middle vacuum sucker, and b is the right vacuum cup The distance between with middle vacuum sucker, L is the total length of the spray arm quadric injection mould cavity of mould, left and right vacuum cup with Between gap length between vacuum cup need to meet computing formula and be：a/b>1/4*L；The spray arm quadric injection mould of described mould Cavity enters glue point position and is provided with four glue-feeders, distinguishes one at the two ends of spray arm quadric injection mould cavity, middle both sides are set up separately Do not put one；In quadric injection mould, the first paragraph transporting velocity of injection molding machine injection is 35mm/s to described spray arm, and pressure is 50bar, injection position is 80mm, and second segment transporting velocity is 45mm/s, and pressure is 60bar, and injection position is 32mm, the 3rd section Be pressurize section transporting velocity be 10mm/s, pressure be 25bar, the persistent period be 2 seconds；Described spray arm in quadric injection mould, The first paragraph transporting velocity of injection machine melten gel is 40mm/s, and pressure is 50bar, and melten gel position is 30mm, second segment transporting velocity For 40mm/s, pressure is 50bar, and melten gel position is 80mm, and the 3rd section of transporting velocity is 40mm/s, and pressure is 50bar, melten gel Position is 90mm, and transporting velocity when pine moves back is 12mm/s, and pressure is 20bar, and melten gel position is 98mm；Described spray arm exists During quadric injection mould, the mouth temperature of injection molding machine injection gun barrel is 220 DEG C, and during first paragraph, temperature is 210 DEG C, and during first paragraph, temperature is 200 DEG C, during first paragraph, temperature is 190 DEG C；Spray arm is 4 seconds in the overall injection time of quadric injection mould, and cool time is 18 seconds, storing Time is 6 seconds.
The operation principle of the present invention is under overall injection time, cool time, storing time set, by mould four Click through the Reasonable Orientation of glue and vacuum cup, and the speed of three sections of injections and colloidal sol, pressure, position, the accurate cooperation of time Under, make spraying arm of dish washer quadric injection mould finished surface quality high, bound edge is uniformly indeformable, bonding strength is high.
It is an advantage of the invention that making the finished surface quality of spray arm secondary bound edge injection high using the injection of secondary bound edge, Bound edge is uniformly indeformable, and bonding strength is high, and low production cost, efficiency high, long service life.
Brief description
Fig. 1 is the structural representation of the present invention secondary bound edge injection mold；
Fig. 2 be the present invention secondary bound edge after spraying arm of dish washer finished product structure schematic diagram；
Fig. 3 be the present invention secondary bound edge before spraying arm of dish washer decomposition texture schematic diagram.
Specific embodiment
According to Fig. 1, Fig. 2, Fig. 3, the present invention, in mould 2, spray arm 4, on the basis of vacuum cup 2, is characterized in Spray arm 4 after single injection-molded upper piece 6 and bottom sheet 7, place and carry out second injection, vacuum again more than after twenty four hours Sucker 2 is divided into three position distribution inside the spray arm quadric injection mould cavity of mould 2, and one of them is arranged on spray arm injection mold cavity Centre, two other is separately positioned on the left and right both sides of middle vacuum sucker, and a is left side vacuum cup and middle vacuum sucker The distance between, b is the distance between the right vacuum cup and middle vacuum sucker, and L is the spray arm quadric injection mould cavity of mould Total length, the gap length between left and right vacuum cup and middle vacuum sucker needs to meet computing formula and is：a/b>1/4* L；The spray arm 4 quadric injection mould cavity of described mould enters glue point position and is provided with four glue-feeders 3, empty in spray arm 4 quadric injection mould One respectively, the two ends in chamber, two sides of middle are respectively provided with one；Described spray arm in quadric injection mould, penetrate by injection machine The first paragraph transporting velocity of glue is 35mm/s, and pressure is 50bar, and injecting screw position is 80mm, and second segment transporting velocity is 45mm/s, pressure is 60bar, and injecting screw position is 32mm, and the 3rd section is pressurize section transporting velocity is 10mm/s, pressure For 25bar, the persistent period is 2 seconds；In quadric injection mould, the first paragraph transporting velocity of injection machine melten gel is 40mm to described spray arm / s, pressure is 50bar, and melten gel screw position is 30mm, and second segment transporting velocity is 40mm/s, and pressure is 50bar, melten gel spiral shell Bar position is 80mm, and the 3rd section of transporting velocity is 40mm/s, and pressure is 50bar, and melten gel screw position is 90mm, when pine moves back Transporting velocity is 12mm/s, and pressure is 20bar, and melten gel screw position is 98mm；Described spray arm, in quadric injection mould, is molded The mouth temperature of machine injection gun barrel is 220 DEG C, and during first paragraph, temperature is 210 DEG C, and during first paragraph, temperature is 200 DEG C, temperature during first paragraph For 190 DEG C；Spray arm is 4 seconds in the overall injection time of quadric injection mould, and cool time is 18 seconds, and the storing time is 6 seconds.Secondary The temperature of material PP during injection：200 ~ 220 DEG C of secondary encapsulated temperature have to be larger than or be equal to upper piece 6 and bottom sheet 7 injection temperature Degree, otherwise can make the secondary encapsulated problem that may not merge, injection pressure with a mould-injection position：50%, speed 30%, during pressurize Between about 7 seconds, about 18 seconds cool times；Spray arm upper piece 6 and bottom sheet 7 by being arranged on the locating dowel 8 of bottom sheet 7 the inside end positions Conjunction is close to and connects.In the embodiment of the present invention, the injection parameterses of injection machine are optimum parameter value, and those skilled in the art can be real at this Apply and must open positive and negative five deviations of this technology parameter in a parameter to the forming quality of products unconspicuous technical scheme of decline, be similar to this The enlightening scheme that class obtains from the embodiment of the present invention should be within the scope of the present invention.

Claims (1)

1. the method for spraying arm of dish washer secondary injection molding, it includes mould, spray arm, vacuum cup, it is characterized in that spray arm one After secondary injection mo(u)lding, place and carry out second injection again more than after twenty four hours, vacuum cup is divided into three position distribution to exist Inside the spray arm quadric injection mould cavity of mould, one of them is arranged in the middle of spray arm injection mold cavity, and two other is separately positioned on The left and right both sides of middle vacuum sucker, a is the distance between left side vacuum cup and middle vacuum sucker, and b is that the right vacuum is inhaled The distance between disk and middle vacuum sucker, L is the total length of the spray arm quadric injection mould cavity of mould, left and right vacuum cup with Gap length between middle vacuum sucker needs to meet computing formula：a/b>1/4*L；The spray arm secondary injection of described mould Mould cavity and enter glue point position and be provided with four glue-feeders, at one respectively, two ends of spray arm quadric injection mould cavity, middle both sides are divided Set and put one；In quadric injection mould, the first paragraph transporting velocity of injection molding machine injection is 35mm/s to described spray arm, and pressure is 50bar, injection position is 80mm, and second segment transporting velocity is 45mm/s, and pressure is 60bar, and injection position is 32mm, the 3rd section Be pressurize section transporting velocity be 10mm/s, pressure be 25bar, the persistent period be 2 seconds；Described spray arm in quadric injection mould, The first paragraph transporting velocity of injection machine melten gel is 40mm/s, and pressure is 50bar, and melten gel position is 30mm, second segment transporting velocity For 40mm/s, pressure is 50bar, and melten gel position is 80mm, and the 3rd section of transporting velocity is 40mm/s, and pressure is 50bar, melten gel Position is 90mm, and the transporting velocity that pine moves back is 12mm/s, and pressure is 20bar, and melten gel position is 98mm；Described spray arm is two During secondary injection, the mouth temperature of injection molding machine injection gun barrel is 220 DEG C, and during first paragraph, temperature is 210 DEG C, and during first paragraph, temperature is 200 DEG C, During first paragraph, temperature is 190 DEG C；Spray arm is 4 seconds in the overall injection time of quadric injection mould, and cool time is 18 seconds, the storing time For 6 seconds.
CN201610853380.2A 2016-09-27 2016-09-27 The method of spraying arm of dish washer secondary injection molding Active CN106393556B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610853380.2A CN106393556B (en) 2016-09-27 2016-09-27 The method of spraying arm of dish washer secondary injection molding

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Application Number Priority Date Filing Date Title
CN201610853380.2A CN106393556B (en) 2016-09-27 2016-09-27 The method of spraying arm of dish washer secondary injection molding

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110730283A (en) * 2019-09-10 2020-01-24 铱斯电子科技(上海)有限公司 Double-layer waterproof sealed vehicle-mounted camera and assembling method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102320102A (en) * 2011-06-30 2012-01-18 安徽宜万丰电器有限公司 Processing technology for plastic decorated board
DE202013007748U1 (en) * 2012-03-30 2013-09-27 Sumitomo (Shi) Demag Plastics Machinery Gmbh Injection molding machine for producing multilayer plastic molded parts from a uniform thermoplastic material
CN103908205A (en) * 2014-04-17 2014-07-09 芜湖美的洗涤电器制造有限公司 Spray arm of dish washing machine
CN105167730A (en) * 2015-10-13 2015-12-23 佛山市顺德区美的洗涤电器制造有限公司 Spraying arm assembly for dish-washing machine and dish-washing machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102320102A (en) * 2011-06-30 2012-01-18 安徽宜万丰电器有限公司 Processing technology for plastic decorated board
DE202013007748U1 (en) * 2012-03-30 2013-09-27 Sumitomo (Shi) Demag Plastics Machinery Gmbh Injection molding machine for producing multilayer plastic molded parts from a uniform thermoplastic material
WO2013144025A1 (en) * 2012-03-30 2013-10-03 Sumitomo (Shi) Demag Plastics Machinery Gmbh Injection-moulding machine for producing multilayer plastic moulded articles from a uniform thermoplastic resin and corresponding production method
CN103908205A (en) * 2014-04-17 2014-07-09 芜湖美的洗涤电器制造有限公司 Spray arm of dish washing machine
CN105167730A (en) * 2015-10-13 2015-12-23 佛山市顺德区美的洗涤电器制造有限公司 Spraying arm assembly for dish-washing machine and dish-washing machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110730283A (en) * 2019-09-10 2020-01-24 铱斯电子科技(上海)有限公司 Double-layer waterproof sealed vehicle-mounted camera and assembling method thereof

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Address after: 528308 No.15, Shilong Road, committee of Yange village, Lunjiao, Shunde District, Foshan City, Guangdong Province

Patentee after: GUANGDONG SAIPU APPLIANCES MANUFACTURING Co.,Ltd.

Address before: 528300, No. 12 South Road, Huang Yong Industrial Zone, Beijiao Town, Shunde District, Guangdong, Foshan

Patentee before: GUANGDONG SAIPU APPLIANCES MANUFACTURING Co.,Ltd.