CN101954741B - Production method for welding head cover assembly of washing machine by utilizing ultrasonic waves - Google Patents
Production method for welding head cover assembly of washing machine by utilizing ultrasonic waves Download PDFInfo
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- CN101954741B CN101954741B CN201010217177A CN201010217177A CN101954741B CN 101954741 B CN101954741 B CN 101954741B CN 201010217177 A CN201010217177 A CN 201010217177A CN 201010217177 A CN201010217177 A CN 201010217177A CN 101954741 B CN101954741 B CN 101954741B
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Abstract
The invention relates to a production method for welding a head cover assembly of a washing machine by utilizing ultrasonic waves, which comprises the following steps of: assembling together an outer plastic frame, an inner plastic frame and a surface decorated particle board which are produced, placing the coarse product of the head cover assembly of the washing machine into an ultrasonic welding machine, starting the ultrasonic welding machine, pressing the coarse product of the head cover assembly of the washing machine for ultrasonic welding by using an ultrasonic die head, performing pressure maintenance after the welding, and obtaining the finished product of the head cover assembly of the washing machine after the pressure maintenance is finished. The production method of the invention has the advantages of short production cycle, production efficiency improvement, high tensile strength of the produced head cover assembly of the washing machine, and production cost reduction and capability of producing the head cover assembly of the washing machine meeting requirements on environmental protection due to the saving of an adhesive.
Description
Technical field
The present invention relates to a kind of production method of utilizing ultrasonic bonding washing machine cover lid assembly.
Background technology
In prior art, the way of washing machine cover lid assembly assembling is to be glued together plastics housing, facing particieboard, plastics inside casing with PUR, forms the washing machine cover lid assembly.The shortcoming of this technology is that (PUR melts glue needs long-term electrical heating to the energy consumption height; The electric pump of injection PUR is in the long-term work state), production cycle long (cooling just can be solidified when PUR needed the long period), quality stability poor (that shrinks when the quantity of PUR and temperature contrast cause the PUR cooling easily is inconsistent, influences quality of stability), production cost height.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the prior art, provide that a kind of environmental protection, energy consumption are low, easy and simple to handle, steady quality, production cycle, the production method of utilizing ultrasonic bonding washing machine cover lid assembly that cost is low.
According to technical scheme provided by the invention, the said production method of ultrasonic bonding washing machine cover lid assembly of utilizing comprises the steps:
A, plastics housing, plastics inside casing and the facing particieboard of getting well production are assembled together, and form the thick product of washing machine cover lid assembly;
B, put into the ultrasonic bonding machine to the thick product of washing machine cover lid assembly; Each frame place in upper and lower, left and right four frames of the thick product of corresponding washing machine cover lid assembly; This ultrasonic bonding machine is provided with one or more ultrasonic wave die head, and each ultrasonic wave die head shape is coincide with the shape of the frame of a corresponding side, when the startup of ultrasonic bonding machine is welded; All ultrasonic wave die heads descend together and push down the frame of a corresponding side simultaneously, and carry out ultrasonic bonding simultaneously;
C, startup ultrasonic bonding machine, the ultrasonic wave die head carries out ultrasonic bonding after the thick product of washing machine cover lid assembly is compressed, and carries out pressurize after the welding, and the air pressure that compresses of each ultrasonic wave die head is 4～6kg/cm
2, the supersonic frequency of each ultrasonic wave die head is 20～30KHz, and ultrasonic time is 0.3～2 second, and the dwell time is 3～5 seconds, and pressurize finishes, and obtains washing machine cover lid assembly finished product.
Production method of the present invention is with short production cycle, has improved production efficiency, produces the washing machine cover lid assembly tensile strength height that obtains, owing to cancelled adhesive, so produce the washing machine cover lid assembly compliance with environmental protection requirements that obtains, produces to give birth to originally and also can reduce.
Description of drawings
Fig. 1 is the front view of the thick product of washing machine cover lid assembly.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the partial enlarged drawing at B place among Fig. 2.
Fig. 4 is the distribution map of embodiment 1 ultrasonic wave die head when welding.
The specific embodiment
Below in conjunction with specific embodiment the present invention is described further.
A kind of production method of ultrasonic bonding washing machine cover lid assembly of utilizing of the present invention comprises the steps:
A, plastics housing 1, plastics inside casing 2 and the facing particieboard 3 of getting well production are assembled together; Form the thick product of washing machine cover lid assembly; After plastics housing 1, plastics inside casing 2 and 3 assemblings together of facing particieboard; There are two interfaces contact position at plastics housing 1 and plastics inside casing 2, is respectively first interface 4 and second interface 5;
B, put into the ultrasonic bonding machine to the thick product of washing machine cover lid assembly; This ultrasonic bonding machine of each frame place in upper and lower, left and right four frames of the thick product of corresponding washing machine cover lid assembly is provided with three ultrasonic wave die heads 6; As shown in Figure 4; The distance that is used to weld between adjacent two ultrasonic wave die heads 6 at each frame place is 1～3mm; Each ultrasonic wave die head 6 shape is coincide with the shape of the frame of a corresponding side, and when the startup of ultrasonic bonding machine was welded, all 12 ultrasonic wave die heads 6 descended together and push down the frame of a corresponding side simultaneously and carry out ultrasonic bonding simultaneously;
C, startup ultrasonic bonding machine, ultrasonic wave die head 6 carries out ultrasonic bonding after the thick product of washing machine cover lid assembly is compressed, and carries out pressurize after the welding, and the air pressure that compresses of each ultrasonic wave die head 6 is 4kg/cm
2, the supersonic frequency of each ultrasonic wave die head is 30KHz, and ultrasonic time is 2 seconds, and the dwell time is 3 seconds, and pressurize finishes, and obtains washing machine cover lid assembly finished product.
After the ultrasonic wave die head 6 of ultrasonic welding machine compresses plastics inside casing 2, start supersonic generator.The ultrasonic wave that each transducer produces is delivered to plastics inside casing 2 through each horn, submodule head successively; Because the acoustic resistance at first interface 4 and second interface, 5 places is bigger; Strong dither and friction take place in first interface 4 and second interface, 5 places; Under the situation of pressurization, the fricative heat energy at first interface 4 and second interface, 5 places forms the fusion between the molecular layer.
Through statistics, after a collection of washing machine cover lid assembly production finished, the production time of average every washing machine cover lid assembly was 5 seconds, and the tensile strength of producing the washing machine cover lid assembly that obtains is 30～35MPa; And the washing machine cover lid assembly intensity that obtains is very high.
A kind of production method of ultrasonic bonding washing machine cover lid assembly of utilizing of the present invention comprises the steps:
A kind of production method of ultrasonic bonding washing machine cover lid assembly of utilizing of the present invention comprises the steps:
A, plastics housing 1, plastics inside casing 2 and the facing particieboard 3 of getting well production are assembled together, and form the thick product of washing machine cover lid assembly;
B, put into the ultrasonic bonding machine to the thick product of washing machine cover lid assembly; This ultrasonic bonding machine of each frame place in upper and lower, left and right four frames of the thick product of corresponding washing machine cover lid assembly is provided with four ultrasonic wave die heads 6; The distance that is used to weld between adjacent two ultrasonic wave die heads 6 at each frame place is 1～3mm; Each ultrasonic wave die head 6 shape is coincide with the shape of the frame of a corresponding side; When the startup of ultrasonic bonding machine was welded, all 16 ultrasonic wave die heads 6 descended together and push down the frame of a corresponding side simultaneously and carry out ultrasonic bonding simultaneously;
C, startup ultrasonic bonding machine, ultrasonic wave die head 6 carries out ultrasonic bonding after the thick product of washing machine cover lid assembly is compressed, and carries out pressurize after the welding, and the air pressure that compresses of each ultrasonic wave die head 6 is 4.5kg/cm
2, the supersonic frequency of each ultrasonic wave die head 6 is 28KHz, and ultrasonic time is 0.5 second, and the dwell time is 4 seconds, and pressurize finishes, and obtains washing machine cover lid assembly finished product.
Through statistics, after a collection of washing machine cover lid assembly production finished, the production time of average every washing machine cover lid assembly was 6 seconds, and the tensile strength of producing the washing machine cover lid assembly that obtains is 28～32MPa; And the washing machine cover lid assembly intensity that obtains is very high.
A kind of production method of ultrasonic bonding washing machine cover lid assembly of utilizing of the present invention comprises the steps:
A kind of production method of ultrasonic bonding washing machine cover lid assembly of utilizing of the present invention comprises the steps:
A, plastics housing 1, plastics inside casing 2 and the facing particieboard 3 of getting well production are assembled together, and form the thick product of washing machine cover lid assembly;
B, put into the ultrasonic bonding machine to the thick product of washing machine cover lid assembly; This ultrasonic bonding machine of each frame place in upper and lower, left and right four frames of the thick product of corresponding washing machine cover lid assembly is provided with three ultrasonic wave die heads 6; The distance that is used to weld between adjacent two ultrasonic wave die heads 6 at each frame place is 1～3mm; Each ultrasonic wave die head 6 shape is coincide with the shape of the frame of a corresponding side; When the startup of ultrasonic bonding machine was welded, all 12 ultrasonic wave die heads 6 descended together and push down the frame of a corresponding side simultaneously and carry out ultrasonic bonding simultaneously;
C, startup ultrasonic bonding machine, ultrasonic wave die head 6 carries out ultrasonic bonding after the thick product of washing machine cover lid assembly is compressed, and carries out pressurize after the welding, and the air pressure that compresses of each ultrasonic wave die head is 6kg/cm
2, the supersonic frequency of each ultrasonic wave die head is 20KHz, and ultrasonic time is 0.3 second, and the dwell time is 5 seconds, and pressurize finishes, and obtains washing machine cover lid assembly finished product.
Through statistics, after a collection of washing machine cover lid assembly production finished, the production time of average every washing machine cover lid assembly was 7 seconds, and the tensile strength of producing the washing machine cover lid assembly that obtains is 28～30MPa.
This shows that adopt ultrasonic wave to carry out the welding of washing machine cover lid assembly, the production cycle can shorten greatly, and production efficiency is high; Owing to cancelled adhesive, so produce the washing machine cover lid assembly compliance with environmental protection requirements that obtains, production cost reduces greatly; And the washing machine cover lid assembly intensity that obtains is high.
Claims (2)
1. production method of utilizing ultrasonic bonding washing machine cover lid assembly, it is characterized in that: this production method comprises the steps:
A, plastics housing, plastics inside casing and the facing particieboard of getting well production are assembled together, and form the thick product of washing machine cover lid assembly;
B, put into ultrasonic welding machine to the thick product of washing machine cover lid assembly; This ultrasonic bonding machine of each frame place in upper and lower, left and right four frames of the thick product of corresponding washing machine cover lid assembly is provided with more than one ultrasonic wave die head; Be used to weld adjacent two ultrasonic wave die heads at each frame place; Each ultrasonic wave die head shape is coincide with the shape of the frame of a corresponding side; Start when welding at the ultrasonic bonding machine, all ultrasonic wave die heads descend together and push down the frame of a corresponding side simultaneously;
C, startup ultrasonic welding machine, the ultrasonic wave die head carries out ultrasonic bonding after the thick product of washing machine cover lid assembly is compressed, and carries out pressurize after the welding, and the air pressure that compresses of each ultrasonic wave die head is 4～6kg/cm
2, the supersonic frequency of each ultrasonic wave die head is 20～30KHz, and ultrasonic time is 0.3～2 second, and the dwell time is 3～5 seconds, and pressurize finishes, and obtains washing machine cover lid assembly finished product.
2. a kind of production method of utilizing ultrasonic bonding washing machine cover lid assembly as claimed in claim 1 is characterized in that: the distance between said adjacent two ultrasonic wave die heads is 1～3mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010217177A CN101954741B (en) | 2010-07-05 | 2010-07-05 | Production method for welding head cover assembly of washing machine by utilizing ultrasonic waves |
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| CN201010217177A CN101954741B (en) | 2010-07-05 | 2010-07-05 | Production method for welding head cover assembly of washing machine by utilizing ultrasonic waves |
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| CN101954741A CN101954741A (en) | 2011-01-26 |
| CN101954741B true CN101954741B (en) | 2012-10-10 |
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| CN103770323A (en) * | 2014-01-09 | 2014-05-07 | 苏州工业园区协利塑胶有限公司 | Welding forming equipment for oil tank cover and welding method of welding forming equipment |
| CN106945291A (en) * | 2017-03-24 | 2017-07-14 | 安徽开润股份有限公司 | A kind of thermoplasticity draw-bar box ultrasonic bonding process equipment and method |
Citations (3)
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|---|---|---|---|---|
| CN1853911A (en) * | 2005-04-28 | 2006-11-01 | 丰田合成株式会社 | Ultrasonic connection method for rubber/plastics |
| CN101503003A (en) * | 2009-01-19 | 2009-08-12 | 深圳市科信超声焊接设备有限公司 | Technique for producing flat-plate TV set case with high-gloss material |
| CN101743115A (en) * | 2007-06-25 | 2010-06-16 | 哈佛与博克无限公司 | Method and apparatus for the welding of sacks |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1128767A (en) * | 1997-07-09 | 1999-02-02 | Sony Corp | Ultrasonic welding machine |
| JP2002113782A (en) * | 2001-07-09 | 2002-04-16 | Kishimoto Sangyo Co Ltd | Hollow board of synthetic resin made of a plurality of materials bound by ultrasonic welding |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1853911A (en) * | 2005-04-28 | 2006-11-01 | 丰田合成株式会社 | Ultrasonic connection method for rubber/plastics |
| CN101743115A (en) * | 2007-06-25 | 2010-06-16 | 哈佛与博克无限公司 | Method and apparatus for the welding of sacks |
| CN101503003A (en) * | 2009-01-19 | 2009-08-12 | 深圳市科信超声焊接设备有限公司 | Technique for producing flat-plate TV set case with high-gloss material |
Non-Patent Citations (2)
| Title |
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| JP特开2002-113782A 2002.04.16 |
| JP特开平11-28767A 1999.02.02 |
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Owner name: WUXI XINCHANG?MACHINERY TECHNOLOGY CO.,?LTD. Free format text: FORMER OWNER: WUXI XINCHANG PLASTIC MACHINERY FACTORY Effective date: 20141224 |
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Effective date of registration: 20141224 Address after: Lake town of Xishan District in Jiangsu province 214116 Wuxi dakouhu Industrial Park Patentee after: Wuxi Xinchang Machinery Science & Technology Co., Ltd. Address before: Lake town of Xishan District in Jiangsu province 214116 Wuxi dakouhu Industrial Park Patentee before: Wuxi Xinchang Plastic Machinery Factory |